CN104982048A - A cluster communication application server, evolved base station, system and method for resource allocation - Google Patents

Abstract

The invention discloses a trunking communication application server, an evolved node B, a system and a resource allocation method, relates to the technical field of communication, and can solve the problems that due to the fact that session resources are allocated to each UE, admission control of an eNB is limited, the UE cannot perform trunking communication and other UE cell access is influenced. The method comprises the following steps: receiving a speaking right request sent by User Equipment , wherein the speaking right request carries a group identifier and a cell identifier of the UE; judging whether conversation resources are distributed to a conversation object determined by a group identifier of user equipment and a cell identifier of the user equipment together according to a first mapping table, wherein the first mapping table is used for describing the conversation resource distribution condition of each group in each cell; and if the session resources are not allocated to the session object determined by the group identifier and the cell identifier where the user equipment is located, sending a resource allocation request to the evolved node B. The invention is mainly applied to the process of terminal communication.

Description

A trunking communication application server, an evolved base station, a system and a method for resource allocation Technical field

The present invention relates to the field of communication technologies, and in particular to a cluster communication application server, an evolved base station, a system, and a resource allocation method. Background technique

With the development of communication technology, group communication (GC for short) is widely used. A basic mode of trunking communication is group calling, that is, in the group, group member A can start talking by pressing the PTT (Push To Talk) button, and other group members of the group can hear The voice of group member A.

In the prior art, resources are allocated to each group member in group communication in the following manner: When group member A initiates a session, a group communication application server (Group Communication Service Enabler Appl i cation Server, GCSE AS for short) sends For the right to speak request, the cluster communication application server judges whether session resources have been allocated to group member A. If no session resource is allocated to group member A, a resource allocation request is sent to the eNB, and the evolved base station allocates session resources to group member A according to the resource allocation request. The session resource described in the present invention is also called Guaranteed Bit Rate (GBR for short) bearer. The trunking communication application server allocates session resources to group member A, which is equivalent to allocating GBR bearers to group member A by the trunking communication application server.

In the process of realizing the above resource allocation, the inventor found that at least the following problems exist in the prior art:

Since the existing session resource (GBR bearer) is established for each UE, that is, one session resource (GBR bearer) can only be dedicated to one UE. Different UEs need to establish different GBR bearers to send data. In cluster communication, if more members of a GC are concentrated in one cell, and each UE has data to be sent, a GBR bearer must be established for each UE in the GC. However, the GBR bearer needs to reserve resources, so a large amount of session resources are reserved. At this time, it affects the admission of eNB The so-called admission control means that when the core network requires the eNB to establish a GBR bearer for a certain UE, the eNB cannot establish the GBR bearer for the UE because there are no remaining session resources, so it can only refuse. For example, a UE with a GBR bearer may be rejected by the target cell during the handover process because the cell does not have enough resources to establish a GBR bearer for the UE. Contents of the invention

Embodiments of the present invention provide a trunking communication application server, an evolved base station, a system, and a resource allocation method, which can solve the problem that the admission control of the eNB is limited due to the allocation of session resources for each UE, making it impossible for the UE to perform trunking communication and affecting other The problem of UE cell access.

In a first aspect, the present invention provides a group communication application server Group Communication Service Enabler Application Server, where the group communication application server includes: a receiver, configured to receive a message sent by a user equipment UE a speaking right request, where the speaking right request carries the group ID and the cell ID where the user equipment is located;

a processor, configured to judge, according to a first mapping table, whether a session resource has been allocated to a session object that is jointly determined by the group identifier of the user equipment and the cell identifier of the user equipment received by the receiver, the first The mapping table is used to describe the allocation of session resources of each group in each cell;

a transmitter, configured to send a resource allocation request to an evolved base station eNB when the processor obtains that session resources are not allocated to a session object that is jointly determined by the group identity and the cell identity where the user equipment is located, and the resource allocation request includes carry the team ID.

In a first possible implementation manner of the first aspect, the processor is configured to judge, according to the first mapping table, whether the group identifier of the user equipment and the user ID received by the receiver have been received by the receiver. Allocating session resources to a session object jointly determined by the identifier of the cell where the device is located specifically includes that the processor is configured to:

judging according to the first mapping table whether session resources have been allocated to the group ID;

If no session resource is allocated for the group identifier, determining that no session resource is allocated for the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If a session resource has been allocated for the group identifier, then determine the cell corresponding to the session resource Whether the identity is the same as the received cell identity;

If they are the same, determining that session resources have been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If not, it is determined that the session resource is not allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located.

In the first possible implementation manner of the first aspect, a second possible implementation manner of the first aspect is also provided, and in the second possible implementation manner of the first aspect, the The processor is also used to:

Mapping the group identifier received by the receiver, the cell identifier, and the resource allocation situation of the session object jointly determined by the group identifier and the cell identifier, to generate a first mapping table;

In the generated first mapping table, the resource configuration state of the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located is marked as allocated.

In the second possible implementation manner of the first aspect, a third possible implementation manner of the first aspect is also provided, and in the third possible implementation manner of the first aspect, the The above transmitter is used to send a resource allocation request to the evolved base station eNB, specifically including:

The transmitter is configured to send a resource allocation request to the evolved base station eNB through a resource creation request Create Bearer request, where the resource creation request carries the group identifier.

In the first aspect or the first possible, second possible, or third possible implementation of the first aspect, a fourth possible implementation of the first aspect is also provided, where In a fourth possible implementation manner of the first aspect, the speaking right request further carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group;

The processor is further configured to judge, according to the first mapping table, whether the session object determined jointly by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment has been allocated session resource;

The transmitter is further configured to allocate a session when the processor obtains a session object that is not jointly determined for the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment When using resources, send a resource allocation request to the eNB, where the resource allocation request carries the group identifier and the topic identifier.

In the second aspect, the present invention also provides an evolved base station eNB, and the evolved base station includes: a receiver, configured to receive the group identifier sent by the user equipment;

a processor, configured to determine whether session resources have been allocated for the group identifier received by the receiver;

a transmitter, configured to, when the processor obtains that the session resource has been allocated to the group ID, send resource configuration information of the session resource allocated to the group ID to the user equipment.

In a first possible implementation manner of the second aspect, the transmitter is configured to send resource configuration information of session resources allocated for the group identifier to the user equipment, specifically including: the transmitter , used to send reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information of session resources that have been allocated for the group identifier.

In the second aspect or the first possible implementation of the second aspect, a second possible implementation of the second aspect is also provided, and in the second possible implementation of the second aspect In the manner, the receiver is further configured to receive a resource allocation request sent by a trunking communication application server, where the resource allocation request carries the group identifier and the topic identifier;

The processor is further configured to allocate session resources for the session object jointly determined by the group ID and the topic ID received by the receiver;

The transmitter is further configured to send the resource configuration information of the session resource allocated by the processor to the user equipment.

In a third aspect, the present invention also provides an evolved base station eNB, where the evolved base station includes: a receiver, configured to receive a resource allocation request sent by a cluster communication application server, where the resource allocation request carries the location of the user equipment. d, group identification;

a processor, configured to determine whether session resources have been allocated for the group identifier received by the receiver according to a second mapping table, where the second mapping table is used to describe the sessions of each group in the cell covered by the eNB resource allocation;

The processor is further configured to allocate session resources for the group ID when the processor obtains that no session resources are allocated for the group ID and receives a resource allocation request sent by a cluster communication application server;

The processor is further configured to: when resources have been allocated to the group identifier, the allocated resources The configuration information and the group identification are sent to the user equipment, so that the user equipment can perform session communication in the allocated session resources.

In a first possible implementation manner of the third aspect, the processor is further configured to: map the group identifier received by the receiver and the resource allocation situation of the group, and generate a second mapping table;

In the generated second mapping table, the resource configuration status corresponding to the group identifier of the user equipment is marked as allocated.

In the first possible implementation manner of the third aspect, a second possible implementation manner of the third aspect is also provided, and in the second possible implementation manner of the third aspect, the The transmitter is used to send the resource configuration information to the user equipment UE, specifically including:

The transmitter sends reconfiguration information to the user equipment, and the reconfiguration information carries configuration information of resource allocation.

In the third aspect or the first possible implementation manner or the second possible implementation manner of the third aspect, a third possible implementation manner of the third aspect is also provided, in the third aspect In a third possible implementation manner, the receiver is further configured to receive the topic identifier sent by the terminal; the processor is further configured to judge whether the topic identifier has been received by the receiver according to a second mapping table. Allocating session resources to the session object jointly determined by the group ID and the topic ID, if no session resource is allocated to the session object jointly determined by the group ID and the topic ID, then the group ID and the topic ID are jointly determined The session object allocates session resources;

The transmitter is also used to:

sending the resource configuration information of the session resources allocated by the processor to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information;

The transmitter is further configured to, when the processor obtains that a session resource has been allocated to a session object jointly determined by the group identifier and the topic identifier, send resource configuration information of the allocated session resource to the user equipment, so that the user equipment performs session communication in the allocated session resources.

In a fourth aspect, the present invention also provides a user equipment UE, where the user equipment includes: a transmitter, configured to send a group identifier to an evolved base station eNB;

The transmitter is also used to initiate a speaking right request to the trunking communication application server, where the speaking right request includes the '' where the UE is located, a group identifier and a cell identifier; A receiver, configured to receive resource configuration information sent by the evolved base station eNB

a processor, configured to determine session resources according to the resource configuration information received by the receiver.

In a first possible implementation manner of the fourth aspect, the receiver is further configured to receive the language right request permission sent by the cluster communication application server;

The processor is further configured to, when the receiver receives the right request permission sent by the trunking communication application server, use the session resources included in the resource configuration information sent by the eNB to send data.

In a second possible implementation manner of the fourth aspect, the transmitter is further configured to send a topic ID and a group ID to the eNB, so that the eNB uses the topic ID and 'J, group Identification determines whether to allocate session resources for the user equipment;

Initiate a speech right request to the trunking communication application server, where the speech right request further includes a topic identifier, so that the trunking communication application server determines whether to allocate the user equipment to the user equipment through the evolved base station according to the topic identifier, group identifier, and cell identifier. Session resource.

In the fifth aspect, the present invention also provides a resource allocation system, the system consists of the cluster communication application server described in the first aspect, the evolved base station eNB described in the second aspect, and the user equipment described in the fourth aspect composition.

In the sixth aspect, the present invention also provides a group communication application server Group

Communicat ion Service Enabler App l ication Server, the cluster communication application server includes:

The receiving unit is configured to receive a speaking right request sent by the user equipment UE, where the speaking right request carries the d, group identifier and d, area identifier where the user equipment is located;

a judging unit, configured to judge, according to a first mapping table, whether a session resource has been allocated to a session object that is jointly determined by the group identifier of the user equipment and the cell identifier of the user equipment received by the receiving unit, the first The mapping table is used to describe the allocation of session resources of each group in each cell;

a sending unit, configured to send a resource allocation request to an evolved base station eNB when the judging unit obtains that no session resource is allocated to a session object that is jointly determined by the group ID and the cell ID where the user equipment is located, and the resource allocation request includes carry the team ID. In a first possible implementation manner of the sixth aspect, the judging unit is configured to judge, according to the first mapping table, whether the group identifier of the user equipment and the user ID received by the receiving unit have been received by the receiving unit. Allocating session resources to a session object jointly determined by the cell identifier of the device, specifically includes that the judging unit is used for:

judging according to the first mapping table whether session resources have been allocated to the group ID;

If no session resource is allocated for the group identifier, determining that no session resource is allocated for the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If a session resource has been allocated for the group ID, then judging whether the cell ID corresponding to the session resource is the same as the received cell ID;

If they are the same, determining that session resources have been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If not, it is determined that the session resource is not allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located.

In the first possible implementation manner of the sixth aspect, a second possible implementation manner of the sixth aspect is also provided, and in the second possible implementation manner of the sixth aspect, the The cluster communication application server also includes:

a generating unit, configured to map the group identifier received by the receiving unit, the cell identifier, and the resource allocation of the session object jointly determined by the group identifier and the cell identifier, to generate a first mapping table;

The modifying unit is configured to mark, in the first mapping table generated by the generating unit, the resource configuration status of the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located as allocated.

In the second possible implementation manner of the sixth aspect, a third possible implementation manner of the sixth aspect is also provided, and in the third possible implementation manner of the sixth aspect, the The sending unit is configured to send a resource allocation request to the evolved base station eNB, specifically including:

The sending unit is configured to create a resource request Create Bearer request t to evolve to The small base station eNB sends a resource allocation request, and the resource establishment request carries the group identifier. In the sixth aspect or the first possible, second possible, or third possible implementation of the sixth aspect, a fourth possible implementation of the sixth aspect is also provided, where In a fourth possible implementation manner of the sixth aspect, the speech right request further carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group;

The judging unit is further configured to judge, according to the first mapping table, whether the session object that is jointly determined by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment has been allocated session resource;

The sending unit is further configured to allocate a session when the judging unit obtains a session object that is not jointly determined for the group ID where the user equipment is located, the cell ID where the user equipment is located, and the current topic ID of the user equipment. When using resources, send a resource allocation request to the eNB, where the resource allocation request carries the group identifier and the topic identifier.

In a seventh aspect, the present invention also provides an evolved base station eNB, where the evolved base station includes: a receiving unit, configured to receive a group identifier sent by a user equipment;

a judging unit, configured to judge whether session resources have been allocated for the group identifier received by the receiving unit;

a sending unit, configured to send resource configuration information of session resources allocated to the group identifier to the user equipment when the judging unit obtains that session resources have been allocated to the group identifier.

In a first possible implementation manner of the seventh aspect, the sending unit is configured to send resource configuration information of session resources allocated for the group identifier to the user equipment, specifically including: the sending unit , configured to send reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information of session resources that have been allocated for the group identifier.

In the seventh aspect or the first possible implementation manner of the seventh aspect, a second possible implementation manner of the seventh aspect is also provided, and in the second possible implementation manner of the seventh aspect In the manner, the receiving unit is further configured to receive a resource allocation request sent by a cluster communication application server, where the resource allocation request carries the group identifier and the topic identifier;

The evolved base station further includes a configuration unit configured to allocate session resources to the session object jointly determined by the group ID and the topic ID received by the receiving unit; The sending unit is further configured to send the resource configuration information of the session resources allocated by the configuration unit to the user equipment.

In an eighth aspect, the present invention also provides an evolved base station eNB, where the evolved base station includes: a receiving unit, configured to receive a resource allocation request sent by a cluster communication application server, where the resource allocation request carries the location of the user equipment. , the group ID;

a judging unit, configured to judge whether session resources have been allocated for the group identifier received by the receiving unit according to a second mapping table, the second mapping table being used to describe the sessions of each group in the cell covered by the eNB resource allocation;

A configuration unit configured to allocate session resources for the group ID when the judging unit obtains that no session resources are allocated for the group ID and receives a resource allocation request sent by a cluster communication application server;

a sending unit, configured to send the allocated resource configuration information and the group ID to the user equipment when the judging unit obtains that resources have been allocated for the group ID, so that the user equipment can conduct a session in the allocated session resources communication.

In a first possible implementation manner of the eighth aspect, the eNB further includes: a generating unit, configured to perform the group identifier received by the receiving unit and the resource allocation situation of the group mapping, generating a second mapping table;

The modifying unit is configured to mark, in the second mapping table generated by the generating unit, the resource configuration status corresponding to the group identifier of the user equipment as allocated.

In the first possible implementation manner of the eighth aspect, a second possible implementation manner of the eighth aspect is also provided, and in the second possible implementation manner of the eighth aspect, the The sending unit is configured to send the resource configuration information to the user equipment UE, specifically including:

The sending unit sends reconfiguration information to the user equipment, and the reconfiguration information carries configuration information of resource allocation.

In the eighth aspect or the first possible or second possible implementation of the eighth aspect, a third possible implementation of the eighth aspect is also provided, in the eighth aspect In a third possible implementation manner, the receiving unit is further configured to receive the topic identifier sent by the terminal; The judging unit is further configured to judge, according to the second mapping table, whether a session resource has been allocated to the session object that is jointly determined by the group identifier and the topic identifier received by the receiving unit;

The configuring unit is further configured to, when the judging unit obtains that no session resources are allocated for the session object jointly determined by the group ID and the topic ID, for the session object jointly determined by the group ID and the topic ID Allocate session resources;

The sending unit is also used for:

sending the resource configuration information of the session resource allocated by the configuration unit to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information;

The sending unit is further configured to, when the judging unit obtains that a session resource has been allocated to a session object jointly determined by the group identifier and the topic identifier, send resource configuration information of the allocated session resource to the user equipment, so that the user equipment performs session communication in the allocated session resources.

In a ninth aspect, the present invention also provides a user equipment UE, where the user equipment includes: a sending unit, configured to send a group identifier to an evolved base station eNB;

The sending unit is further configured to initiate a speaking right request to the trunking communication application server, where the speaking right request includes a group identifier and a cell identifier where the UE is located;

A receiving unit, configured to receive resource configuration information sent by the evolved base station eNB

The determining unit is configured to determine session resources according to the resource configuration information received by the receiving unit. In a first possible implementation manner of the ninth aspect, the receiving unit is further configured to receive the language right request permission sent by the group communication application server;

The sending unit is further configured to, when the receiving unit receives the speech right request permission sent by the trunking communication application server, use the session resources included in the resource configuration information sent by the eNB to send data.

In a second possible implementation manner of the ninth aspect, the sending unit is further configured to send a topic identifier and a group identifier to the eNB, so that the eNB determines whether to Allocating session resources for user equipment;

Initiate a speaking right request to the trunking communication application server, where the speaking right request also includes a topic identifier, So that the trunked communication application server determines whether to allocate session resources for the user equipment through the eNB according to the topic identifier, the group identifier and the cell identifier.

In the tenth aspect, the present invention also provides a resource allocation system, the system consists of the cluster communication application server described in the sixth aspect, the evolved base station eNB described in the seventh aspect, and the user equipment described in the ninth aspect composition.

In the eleventh aspect, the present invention also provides a method for resource allocation, the method including: receiving a speaking right request sent by a user equipment UE, where the speaking right request carries a group identifier and a cell where the user equipment is located logo;

Judging whether a session resource has been allocated to a session object determined jointly by the group identifier of the user equipment and the cell identifier of the user equipment according to the first mapping table, the first mapping table is used to describe the status of each group in each cell The allocation of session resources;

If no session resource is allocated for the session object determined jointly by the group identifier and the cell identifier where the user equipment is located, a resource allocation request is sent to the evolved base station eNB, and the resource allocation request carries the group identifier.

In the first possible implementation manner of the eleventh aspect, the judging according to the first mapping table whether the session object has been jointly determined by the group identifier where the user equipment is located and the cell identifier where the user equipment is located Allocate session resources, including:

judging according to the first mapping table whether session resources have been allocated to the group ID;

If no session resource is allocated for the group identifier, determining that no session resource is allocated for the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If a session resource has been allocated for the group ID, then judging whether the cell ID corresponding to the session resource is the same as the received cell ID;

If they are the same, determining that session resources have been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If not, it is determined that the session resource is not allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located. In the first possible implementation manner of the eleventh aspect, a second possible implementation manner of the eleventh aspect is also provided, and in the second possible implementation manner of the eleventh aspect In, before receiving the speaking right request sent by the user equipment UE, the method further includes:

Mapping the group ID, the cell ID, and the resource allocation of the session object jointly determined by the group ID and the cell ID, to generate a first mapping table;

After sending the resource allocation request to the evolved base station eNB, the method further includes: In the first mapping table, the resource of the session object jointly determined by the group identifier where the user equipment is located and the cell identifier where the user equipment is located The configuration status is marked as assigned.

In the second possible implementation manner of the eleventh aspect, a third possible implementation manner of the eleventh aspect is also provided, and in the third possible implementation manner of the eleventh aspect In, the sending the resource allocation request to the evolved base station _eNB specifically includes:

A resource allocation request is sent to the evolved base station eNB by creating a resource request Create Bearer request, where the resource creation request carries the group identifier.

In the eleventh aspect or the first possible, second possible or third possible implementation of the eleventh aspect, a fourth possible implementation of the eleventh aspect is also provided In a fourth possible implementation manner of the eleventh aspect, the speech right request further carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group;

The method also includes:

judging according to the first mapping table whether the session resource has been allocated to the session object determined jointly by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment;

If no session resource is allocated to the session object jointly determined by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment, send a resource allocation request to the evolved base station eNB, The resource allocation request carries the group identifier and the topic identifier.

In a twelfth aspect, the present invention also provides a resource allocation method, the method including: receiving a group identifier sent by a user equipment;

If a session resource has been allocated for said team ID, then the The resource configuration information of the session resource is sent to the user equipment.

In the first possible implementation manner of the twelfth aspect, the sending the resource configuration information to the user equipment UE specifically includes:

Send reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information.

In the twelfth aspect or the first possible implementation manner of the twelfth aspect, a second possible implementation manner of the twelfth aspect is also provided, in the second possible implementation manner of the twelfth aspect In a possible implementation manner, the method further includes:

Receive the topic identifier sent by the terminal;

Judging whether session resources have been allocated for the session object jointly determined by the group ID and the topic ID;

If the session resource is not allocated to the session object jointly determined by the group ID and the topic ID, the session resource is allocated to the session object jointly determined by the group ID and the topic ID, and the resource configuration information of the allocated session resource is sending to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information;

If a session resource has been allocated to the session object jointly determined by the group identifier and the topic identifier, sending resource configuration information of the allocated session resource to the user equipment, so that the user equipment can perform session communication.

In a thirteenth aspect, the present invention also provides a method for resource allocation, the method including: receiving a resource allocation request sent by a cluster communication application server, where the resource allocation request carries a group identifier where the user equipment is located;

Judging whether session resources have been allocated for the group ID according to a second mapping table, the second mapping table is used to describe the allocation of session resources of each group in the cell covered by the eNB; if no session resource is allocated for the group ID Allocating session resources, when receiving the resource allocation request sent by the cluster communication application server, allocating session resources for the group identifier.

If resources have been allocated for the group identifier, then the allocated resource configuration information and the group identifier are sent to the user equipment, so that the user equipment performs session communication in the allocated session resources.

In the first possible implementation manner of the thirteenth aspect, when judging according to the second mapping table Before whether session resources have been allocated for the group identifier, the method also includes:

Mapping the group identifier and the resource allocation situation of the group to generate a second mapping table; after sending the resource configuration information to the user equipment, the method further includes: In the second mapping table, Marking the resource configuration state corresponding to the group identifier of the user equipment as allocated.

In the first possible implementation manner of the thirteenth aspect, a second possible implementation manner of the thirteenth aspect is also provided, and in the second possible implementation manner of the thirteenth aspect In, the sending the resource configuration information to the user equipment UE specifically includes:

Send reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information.

In the thirteenth aspect or the first possible or second possible implementation of the thirteenth aspect, a third possible implementation of the thirteenth aspect is also provided, in which In a third possible implementation manner of the thirteenth aspect, the method further includes:

Receive the topic identifier sent by the terminal;

Judging according to the second mapping table whether to allocate session resources for the session object jointly determined by the group identifier and the topic identifier;

If the session resource is not allocated to the session object jointly determined by the group ID and the topic ID, the session resource is allocated to the session object jointly determined by the group ID and the topic ID, and the resource configuration information of the allocated session resource is sending to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information;

If a session resource has been allocated to the session object jointly determined by the group identifier and the topic identifier, sending resource configuration information of the allocated session resource to the user equipment, so that the user equipment can perform session communication.

In a fourteenth aspect, the present invention also provides a method for resource allocation, the method including: sending a group identifier to an evolved base station eNB;

Initiating a speaking right request to the trunking communication application server, where the speaking right request includes the group identity and the cell identity where the UE is located;

The session resources are determined according to the resource configuration information sent by the eNB. In the first possible implementation manner of the fourteenth aspect, after receiving the resource configuration information sent by the eNB to determine the session resource, the method further includes:

If the speech right request permission sent by the trunking communication application server is received, the session resource included in the resource configuration information sent by the evolved base station eNB is used to send data.

In a second possible implementation manner of the fourteenth aspect, the method further includes: sending a topic identifier and a group identifier to the eNB, so that the eNB determines whether it is The user equipment allocates session resources;

Initiate a speech right request to the trunking communication application server, where the speech right request further includes a topic identifier, so that the trunking communication application server determines whether to allocate the user equipment to the user equipment through the evolved base station according to the topic identifier, group identifier, and cell identifier. Session resource.

The trunking communication application server, evolved base station, system and resource allocation method provided by the present invention can allocate session resources (GBR bearer) according to the session object jointly determined by the group ID and the cell ID where the user equipment is located. Allocate session resources to the session object determined jointly by the group identifier and the cell identifier where the user equipment is located, and send a resource allocation request to the evolved base station eNB. In the prior art, session resources are established for each UE. In the present invention, the cluster communication application server only allocates one session resource for each group in each cell (each group allocates one session resource in each cell). Since only one UE is allowed to send data at the same time point in cluster communication, after each cell allocates session resources for each group, it can not only ensure the normal use of cluster communication, but also increase the number of cluster communication services in the network , solve the problem of limited admission control of the eNB, and improve the utilization rate of network resources. Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Apparently, the drawings in the following description are only These are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to these drawings without any creative work.

FIG. 1 is a schematic structural diagram of a cluster communication application server in an embodiment of the present invention; FIG. 2 is a flowchart of processing performed by a processor of a cluster communication application server in an embodiment of the present invention; FIG. 3 is a schematic structural diagram of an evolved base station in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a user equipment in an embodiment of the present invention;

FIG. 5 is a schematic diagram of a resource allocation system in an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another evolved base station in an embodiment of the present invention;

FIG. 7 is a schematic diagram of another resource allocation system in an embodiment of the present invention;

Fig. 8 is a schematic structural diagram of another trunking communication application server in an embodiment of the present invention Fig. 9 is a schematic structural diagram of another trunking communication application server in an embodiment of the present invention Fig. 10 is a structural diagram of another evolved base station in an embodiment of the present invention schematic diagram;

FIG. 11 is a schematic structural diagram of another user equipment in an embodiment of the present invention;

FIG. 12 is a schematic diagram of another resource allocation system in the embodiment of the present invention

FIG. 13 is a schematic structural diagram of another evolved base station in the embodiment of the present invention

FIG. 14 is a schematic structural diagram of another evolved base station in an embodiment of the present invention

FIG. 15 is a flowchart of a resource allocation method in an embodiment of the present invention;

FIG. 16 is a flow chart of another resource allocation method in the embodiment of the present invention

FIG. 17 is a flow chart of another resource allocation method in the embodiment of the present invention

FIG. 18 is a flow chart of another resource allocation method in an embodiment of the present invention

FIG. 19 is a flow chart of another resource allocation method in an embodiment of the present invention

FIG. 20 is a flow chart of another resource allocation method in an embodiment of the present invention

Fig. 21 is a flow chart of another resource allocation method in the embodiment of the present invention. Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

An embodiment of the present invention provides a cluster communication application server. As shown in FIG. 1, the cluster communication application server includes:

The receiver 11 is used to receive the speaking right request (F l oor Request t) sent by the user equipment UE, The speaking right request carries a group identifier and a cell identifier where the user equipment is located. The processor 12 is configured to judge, according to the first mapping table, whether a session resource has been allocated to the session object received by the receiver 11 and determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located, The first mapping table is used to describe the allocation of session resources of each group in each cell.

As an optional implementation manner, the first mapping table is shown in Table 1, and a session resource is jointly determined by the group identifier and the cell identifier. If no resource is allocated for the session resource jointly determined by the group ID and the cell ID, the corresponding resource is marked as 0. If resources have been allocated to the session resources jointly determined by the group ID and the cell ID, the corresponding resource is marked as 1. In Table 1, the group IDs of allocated session resources in cell A are 2 and 3, the group ID of allocated session resources in cell B is 1, and the group ID of allocated session resources in cell C is 3.

Table 1

The transmitter 13 is configured to send a resource allocation request to the evolved base station eNB when the processor 12 obtains that a session resource is not allocated to a session object jointly determined by the group identifier and the cell identifier where the user equipment is located, and the resource The group identifier is carried in the assignment request.

Since the session resource (GBR bearer) in each cell is located in the eNB, and the eNB decides to use the spectrum of a specific frequency band as the session resource. Therefore, when the trunking communication application server determines that a session resource needs to be allocated for a session object jointly determined by a cell ID and a cell ID, it sends the group ID to the eNB represented by the cell ID, so that the eNB can provide the group ID for the group Identifies the allocated session resource.

The resource allocation method provided by the embodiment of the present invention can be based on the group label where the user equipment is located. Allocate session resources (GBR bearer) to the session object jointly determined by the identity and the cell identity, and if no session resource is allocated for the session object jointly determined by the group identity and the cell identity where the user equipment is located, send a resource allocation request to the evolved base station eNB . In the prior art, session resources are established for each UE. In the present invention, the cluster communication application server only allocates one session resource for each group of each cell (each group allocates one session resource in each cell). Since only one UE is allowed to send data at the same time point in cluster communication, after each cell allocates session resources for each group, it can not only ensure the normal use of cluster communication, but also increase the number of cluster communication services in the network , solve the problem of limited admission control of the eNB, and improve the utilization rate of network resources.

The embodiment of the present invention also provides a trunking communication application server. As a specific description of the trunking communication application server shown in FIG. 1, the processor 12 is configured to judge whether the receiver 11 has Allocating session resources to a session object determined jointly by the received group identifier where the user equipment is located and the cell identifier where the user equipment is located specifically includes, as shown in FIG. 2 , the processor 12 is configured to:

Step 201. Determine whether session resources have been allocated to the group ID according to the first mapping table. Step 202a. If no session resource is allocated for the group ID, it is determined that no session resource is allocated for the session object determined jointly by the group ID where the user equipment is located and the cell ID where the user equipment is located.

Step 202b, if the session resource has been allocated for the group ID, it is judged whether the cell ID corresponding to the session resource is the same as the received cell ID.

Step 203b1, if they are the same, determine that the session resource has been allocated to the session object determined jointly by the group ID where the user equipment is located and the cell ID where the user equipment is located.

Step 203b2, if not the same, determine that no session resource is allocated to the session object determined jointly by the group ID where the user equipment is located and the cell ID where the user equipment is located.

Since the session resource is jointly determined by the group ID and the cell ID, as an optional manner, it is first determined whether the session resource has been allocated to the group ID where the user equipment is located. If it has been allocated, it is judged whether the session resource has been allocated for the group ID in the cell where the user equipment is located, and if the session resource has been allocated for the group ID, the eNB uses the allocated session The session resources provide session services for user equipment. If no session resource is allocated for the group identifier, a resource allocation request is sent to the eNB.

Similarly, it may also first be determined whether session resources have been allocated to the cell identifier where the user equipment is located. If it has been allocated, whether session resources have been allocated for the group in which the user equipment is located in the cell ID, and if session resources have been allocated for the group ID, then the eNB provides session services for the user equipment according to the allocated session resources. If no session resource is allocated for the group identifier, a resource allocation request is sent to the eNB.

The cluster communication application server provided by the embodiment of the present invention can determine a session resource through the combination of the cell identifier and the group identifier, so it can ensure that only one connection is established in each cell for each group, thereby saving session resources and improving network resources. availability.

The embodiment of the present invention also provides a cluster communication application server. As a specific description of the cluster communication application server shown in FIG. 1, the processor 12 is also used for:

Mapping the group identifier received by the receiver 11, the cell identifier, and the resource allocation situation of the session object jointly determined by the group identifier and the cell identifier, to generate a first mapping table.

In the generated first mapping table, the resource configuration state of the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located is marked as allocated.

In addition, when the trunking communication application server releases the session resource (GBR bearer) of the session object jointly determined by the group identifier where the user equipment is located and the cell identifier where the user equipment is located, the resource configuration status is marked as unallocated.

The trunking communication application server provided by the embodiment of the present invention can generate a first mapping table reflecting resource allocation according to the group ID and the cell ID, and update the first mapping table in time when the allocation of session resources jointly determined by the group ID and the cell ID changes. a mapping table.

The embodiment of the present invention also provides a cluster communication application server. As a specific description of the cluster communication application server shown in FIG. 1, the transmitter 13 is used to send a resource allocation request to the evolved base station eNB, specifically including:

The transmitter 13 is configured to send a resource allocation request to the evolved base station eNB through a resource creation request Create Bearer request, where the resource creation request carries the group identifier. The cluster communication application server provided by the embodiment of the present invention can carry the group identifier in the resource establishment request, thereby saving signaling overhead.

In group communication, there may also be different topics within each group. In order to be able to allocate a session resource (GBR bearer) for user equipment groups discussing each topic, an embodiment of the present invention also provides a cluster communication application server, as a further description of the cluster communication application server shown in FIG. 1, so The speech right request also carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group.

The processor 12 is further configured to judge, according to the first mapping table, whether the conversation object has been jointly determined by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment. Allocate session resources.

The transmitter 13 is further configured to, when the processor 12 obtains a session object that is not jointly determined by the group ID where the user equipment is located, the cell ID where the user equipment is located, and the current topic ID of the user equipment When allocating session resources, a resource allocation request is sent to the eNB, where the resource allocation request carries the group identifier and the topic identifier.

The first mapping table can also be shown in Table 2. In group 1, there are three topics respectively topic a1, topic bl, and topic cl. In cell A, session resources (GBR bearer) are allocated for topic bl and topic cl. Session resources (GBR bearer) are allocated for topic al and topic cl in cell B, and session resources (GBR bearer) are allocated for topic al and topic bl in cell C. Similarly, resource allocation of topic a2, topic b2, topic a3 and topic b3 in each cell.

Table 2 Small A B c

topic al 0 1 1

1 topic bl 1 0 1

topic cl 1 1 0

topic a2 1 0 0

2

topic b2 0 1 1 topic b3 1 0 1

3

Topic c3 0 1 0 The cluster communication application server provided by the embodiment of the present invention can allocate session resources for topics in the group, and improve the diversity of cluster communication.

The embodiment of the present invention also provides an evolved base station eNB, as shown in FIG. 3, the evolved base station includes:

The receiver 31 is used to receive the group identification sent by the user equipment;

a processor 32, configured to determine whether session resources have been allocated for the group identifier received by the receiver 31;

The transmitter 33 is configured to, when the processor 32 obtains that the session resource has been allocated to the group ID, send the resource configuration information of the session resource allocated to the group ID to the user equipment.

The evolved base station provided by the embodiment of the present invention can directly send the resource configuration information of the session resources allocated for the group ID to the user equipment after receiving the group ID of the user equipment, if the session resource has been allocated for the group ID, avoiding Repeated allocation of session resources (GBR bearers) for the same team ID. In the prior art, a session resource is allocated to each user equipment, resulting in a large number of session resources being idle. In the present invention, due to the fact that only one user equipment sends data at the same time in the group communication, the normal operation of the group communication is guaranteed, and session resources are saved at the same time, so that the evolved base station can allocate session resources for more group communications , providing resource utilization.

It should be noted that the evolved base station described in the present invention may also be a media gateway (Media GateWay, M-GW for short) or a mobility management entity (Mobil ity Management Entity, M-GW for short) or a bearer device (Mul t i-service CE, MCE for short).

The embodiment of the present invention also provides an evolved base station. As a specific description of the evolved base station shown in FIG. 3, the transmitter 33 is configured to send the resource configuration information of the session resource allocated for the group identifier For user equipment, specifically including:

The transmitter is configured to send reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information of session resources that have been allocated for the group identifier.

The embodiment of the present invention also provides an evolved base station, as a base station for the evolved base station shown in FIG. 3 Specifically, the receiver 31 is also used to receive the resource allocation request sent by the trunking communication application server, where the resource allocation request carries the group identifier and the topic identifier.

The processor 32 is further configured to allocate session resources for the session object that is jointly determined by the group identifier and the topic identifier received by the receiver 31.

The transmitter 33 is further configured to send the resource configuration information of the session resource allocated by the processor 32 to the user equipment.

The evolved base station provided by the embodiment of the present invention can establish a session resource for each topic in the group, so that the cluster communication has various service forms and ensures the diversity of the cluster communication.

The embodiment of the present invention also provides a user equipment UE, as shown in FIG. 4, the user equipment includes:

The transmitter 41 is used to send the group identity to the evolved base station eNB;

The transmitter 41 is further configured to initiate a speaking right request to the trunking communication application server, where the speaking right request includes the group ID and the cell ID where the UE is located;

Receiver 42, configured to receive resource configuration information sent by the evolved base station eNB

The processor 43 is configured to determine session resources according to the resource configuration information received by the receiver 42. The user equipment provided by the embodiment of the present invention can send the group identifier to the eNB, so that when the eNB has allocated session resources for the group identifier, the resource configuration information of the allocated session resources will be sent to the user equipment. Sending the speaking right request to the cluster application server with the group identifier and the cell identifier can enable the cluster server to determine whether session resources have been allocated for the session object jointly determined by the group identifier and the cell identifier according to the group identifier and the cell identifier, so that the cluster communication application server Resources are allocated to the session objects jointly determined by the group ID and the cell ID, instead of allocating session resources to each user equipment in the prior art, so as to improve network resource utilization.

The embodiment of the present invention also provides a user equipment, as a specific description of the user equipment shown in Figure 4:

The receiver 42 is further configured to receive the language right request permission sent by the cluster communication application server; the processor 43 is also configured to, when the receiver 42 receives the language right request permission sent by the cluster communication application server , the resource configuration information sent by the evolved base station eNB includes session resource to send data.

The user equipment provided by the embodiment of the present invention can communicate through the session resources included in the resource configuration information sent by the evolved base station after receiving the speaking right permission, so as to improve the controllability of the trunking communication.

The embodiment of the present invention also provides a user equipment, as a specific description of the user equipment shown in Figure 4:

The transmitter 41 is further configured to send the topic identifier and the group identifier to the eNB, so that the eNB determines whether to allocate session resources for the user equipment according to the topic identifier and the group identifier;

Initiate a speech right request to the trunking communication application server, where the speech right request further includes a topic identifier, so that the trunking communication application server determines whether to allocate the user equipment to the user equipment through the evolved base station according to the topic identifier, group identifier, and cell identifier. Session resource.

The user equipment provided by the embodiment of the present invention can send the group ID and the topic ID to the eNB, so that when the eNB has allocated session resources to the session object jointly determined by the group ID and the topic ID, the allocated session resources The resource configuration information is sent to the user equipment. Sending the speaking right request to the cluster application server carries the group ID, topic ID and cell ID, enabling the cluster server to determine whether session resources have been allocated for the session object jointly determined by the group ID, topic ID and cell ID according to the group ID and the cell ID In this way, the trunking communication application server allocates resources to session objects jointly determined by the group ID, the topic ID, and the cell ID, instead of allocating session resources to each user equipment in the prior art, thereby improving network resource utilization.

The embodiment of the present invention also provides a resource allocation system, as shown in FIG. 5, the system consists of the cluster communication application server 51 shown in FIG. The user equipment 53 is composed.

When the RRC connection between the user equipment 53 and the eNB 52 is established, step 501 is executed, and the terminal sends the group identifier to the eNB 52 through an RRC connection complete (RRC Connection setup complete) notification.

Step 502, the eNB 52 judges whether session resources have been allocated for the group ID. Step 503, if the session resource has been allocated, then the eNB 52 sends resource configuration information - RRC reconf iguration to the terminal, and the format of the resource configuration information - is ( RB conf i g , Group ID ), namely (base station configuration information, group ID).

Step 504, after the terminal sends the group identifier to the evolved base station 52, it sends a floor request (Floor Request t) to the trunking communication application server 51, the floor request carries the group identifier and the cell identifier, and the specific format may be (Group ID, cell ID ) that is (group ID, cell ID).

Step 505, the trunking communication application server 51 judges according to the first mapping table whether session resources have been allocated to the session object determined jointly by the group identifier where the user equipment 53 is located and the cell identifier where the user equipment 53 is located.

Step 506, when the cluster communication application server 51 obtains that no session resources are allocated for the session object that is jointly determined by the group ID and the cell ID where the user equipment 53 is located, send a resource allocation request (Creat Bearer request t) to the evolved base station 52eNB, The resource allocation request carries the group identifier.

Step 507, the eNB 52 allocates session resources for the received group ID, and sends resource configuration information RRC reconfiguration of the allocated session resources to the user equipment 53.

Step 508, the user equipment 53 returns RRC reconfiguration complete (RRC reconfiguration complete) information to the eNB 52.

Step 509, the eNB 52 returns bearer response (Create Bearer response) information to the trunking communication application server 51.

Step 510, when the trunking communication application server 51 obtains that the session resource has been allocated to the session object jointly determined by the group identifier and the cell identifier where the user equipment 53 is located, send a session request permission (Floor Grant ₎ to the user equipment 53.

Step 511. After receiving the resource configuration information sent by the eNB 52 and the speaking right request permission sent by the trunking communication application server 51, the user equipment 53 performs session communication according to the allocated session resources.

The embodiment of the present invention also provides an evolved base station eNB, as shown in FIG. 6, the evolved base station Stations include:

The receiver 61 is configured to receive the resource allocation request sent by the trunking communication application server, where the resource allocation request carries the group identifier of the user equipment.

The processor 62 is configured to judge whether session resources have been allocated for the group identifier received by the receiver 61 according to a second mapping table, where the second mapping table is used to describe each group in the cell covered by the eNB session resource allocation.

The second mapping table is shown in Table 3, and each eNB records each group ID in the cell and the resource allocation status corresponding to the group ID. If session resources are already allocated, modify the resource allocation status to 1. If no session resources are allocated, modify the resource allocation status to 0. It can be obtained from Table 3 that group 1 has not allocated session resources, and both groups 2 and 3 have allocated session resources. table 3

The processor 62 is further configured to allocate session resources for the group ID when the processor 62 obtains that no session resources are allocated for the group ID and receives a resource allocation request sent by the cluster communication application server.

The processor 62 is further configured to, when resources have been allocated to the group identifier, send the allocated resource configuration information and the group identifier to the user equipment, so that the user equipment can perform session communication in the allocated session resources .

The evolved base station provided by the embodiment of the present invention can manage the session resource of the group identifier within the coverage of the evolved base station in the access layer. The trunking communication application server can judge whether it is necessary to allocate session resources to the UE in the same way as the prior art, and the terminal can also directly perform session communication according to the resource configuration information sent by the evolved base station. However, inside the evolved base station, through the second mapping table, the Session resources identified by groups within the district are managed. After receiving the resource allocation request sent by the trunking communication application server, the eNB judges whether session resources have been allocated for the group identifier carried in the resource allocation request. If it has been allocated, the allocated resource configuration information and the group identifier are sent to the user equipment, so that the user equipment can perform session communication in the allocated session resources. If not allocated, session resources are allocated for the group ID. In the prior art, the evolved base station allocates session resources to each user equipment according to the resource allocation request that can be sent by the trunking communication application server, resulting in a large amount of idle session resources. The present invention can allocate a session resource to each group, thereby improving the utilization rate of the session resource.

The embodiment of the present invention also provides an evolved base station. As a specific description of the base station shown in FIG. 6, the processor 62 is also used to:

Mapping the group identifier received by the receiver 61 and the resource allocation situation of the group to generate a second mapping table.

In the generated second mapping table, the resource configuration status corresponding to the group identifier of the user equipment is marked as allocated.

The evolved base station provided by the embodiment of the present invention can generate and update the second mapping table, so as to ensure the validity of the session resource allocation state.

The embodiment of the present invention also provides an evolved base station. As a specific description of the base station shown in FIG. 6, the transmitter 63 is used to send resource configuration information to the user equipment UE, specifically including: the transmitter 63 Send reconfiguration information to the user equipment, where the reconfiguration information carries configuration information of resource allocation.

The embodiment of the present invention also provides an evolved base station, as a specific description of the base station shown in Figure 6,

The receiver 61 is also used to receive the topic identifier sent by the terminal.

The processor 62 is further configured to judge, according to the second mapping table, whether a session resource has been allocated to the session object jointly determined by the group identifier and the topic identifier received by the receiver 61, if no session resource has been allocated for the group identifier Allocating session resources to the session object determined jointly with the topic identifier, and allocating session resources to the session object jointly determined by the group identifier and the topic identifier. The transmitter 63 is also used for:

sending the resource configuration information of the session resources allocated by the processor 62 to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information;

The transmitter 63 is further configured to, when the processor 62 obtains that a session resource has been allocated to a session object jointly determined by the group identifier and the topic identifier, send resource configuration information of the allocated session resource to the user equipment, so that the user equipment performs session communication in the allocated session resources.

The second mapping table may also be shown in FIG. 4, and each eNB records each group ID in the cell and the resource allocation status corresponding to the group ID. In each eNB, the resource allocation status of the session object determined jointly by each group ID pair and topic ID in the cell. If session resources are already allocated, modify the resource allocation status to 1. If no session resources are allocated, the resource allocation status is changed to 0. It can be obtained from Table 4 that there are three topics in group 1, namely topic al, topic bl, and topic cl, and no conversation resources have been allocated to topic al, but conversation resources have been allocated to topic bl and topic cl. Similarly, resource allocation of topic a2, topic b2, topic a3 and topic b3. Table 4

The cluster communication application server provided by the embodiment of the present invention can allocate the topics in the group. The embodiment of the present invention also provides a resource allocation system, as shown in FIG. Base station 72 and user equipment 73.

When the RRC connection between the user equipment 73 and the eNB 72 is established, step 701 is executed, and the terminal sends the group identifier to the eNB 72 through an RRC connection complete (RRC Connection setup complete) notification.

Step 702, the eNB 72 judges whether session resources have been allocated for the group ID.

Step 703, if the session resource has been allocated, then the eNB 72 sends resource configuration information - RRC reconf iguration to the terminal, and the format of the resource configuration information - is ( RB conf i g , Group ID ), namely (base station configuration information, group ID).

Step 704. After sending the group identifier to the eNB 72, the terminal sends a floor request (Floor Request t) to the trunking communication application server 71. The floor request carries the group identifier and the cell identifier. The specific format may be (Group ID, cell ID ) that is (group ID, cell ID).

Step 705, the cluster communication application server 71 judges whether to allocate session resources for the user equipment 73. Step 706. When the cluster communication application server 71 obtains that no session resource is allocated for the user equipment 73, it sends a resource allocation request (Creat Bearer request t) to the evolved base station 72eNB, and the resource allocation request carries the group identifier .

Step 707: The evolved base station 72 judges whether session resources have been allocated for the group identifier received by the receiver 61 according to the second mapping table, which is used to describe the cells covered by the evolved base station The allocation of session resources to each team of .

Step 708: Obtain that no session resources have been allocated to the group ID and when a resource allocation request sent by the trunking communication application server is received, allocate session resources to the group ID, and reconfigure the resource configuration information RRC of the allocated session resources ion ( RB config ) is sent to the user equipment 73 .

Step 709, the user equipment 73 returns RRC reconfiguration complete (RRC reconfiguration complete) information to the eNB 72.

Step 710, the evolved base station 72 returns a bearer response (Create Bearer response ) information.

Step 711, when the trunking communication application server 71 obtains the session resource allocation for the session object determined jointly by the group identifier and the cell identifier where the user equipment 73 is located, send a session request permission (Floor Grant ₎ to the user equipment 73.

Step 712. After receiving the resource configuration information sent by the eNB 72 and the speaking right request permission sent by the trunking communication application server 71, the user equipment 73 performs session communication according to the allocated session resources.

In the system shown in FIG. 7, the cluster communication application server 71 is the same as the prior art, and only judges whether it is necessary to allocate session resources to the user equipment 73. The management of group session resources and topic session resources is performed by the evolved base station 72. Both the user equipment 73 and the cluster communication application server 71 adopt the same outgoing process as the prior art. Further, the processing capabilities of the user equipment 73 and the cluster communication application server 71 are reduced and improved.

The embodiment of the present invention also provides a group communication application server GCSE AS Group Communication Service Enabler Application Server, as shown in FIG. 8, the group communication application server includes:

The receiving unit 81 is configured to receive a speaking right request sent by the user equipment UE, where the speaking right request carries the '', group identifier and '', area identifier where the user equipment is located;

A judging unit 82, configured to judge, according to the first mapping table, whether a session resource has been allocated to a session object that is jointly determined by the group identifier of the user equipment and the cell identifier of the user equipment received by the receiving unit 81, the The first mapping table is used to describe the allocation of session resources of each group in each cell;

The sending unit 83 is configured to send a resource allocation request to the evolved base station eNB when the judging unit 82 obtains that the session resource is not allocated to the session object that is jointly determined by the group identifier and the cell identifier where the user equipment is located, and the resource allocation The group identifier is carried in the request.

Further, the judging unit 82 is configured to judge, according to the first mapping table, whether the session object that is jointly determined by the group identifier where the user equipment is located and the cell identifier where the user equipment is located and received by the receiving unit 81 has been allocated The session resource specifically includes that the judging unit 82 is configured to: judging according to the first mapping table whether session resources have been allocated to the group ID;

If no session resource is allocated for the group identifier, determining that no session resource is allocated for the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If a session resource has been allocated for the group ID, then judging whether the cell ID corresponding to the session resource is the same as the received cell ID;

If they are the same, determining that session resources have been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If not, it is determined that the session resource is not allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located.

Further, as shown in FIG. 9, the cluster communication application server further includes:

The generating unit 91 is configured to map d, the group identifier, the cell identifier, and the resource allocation situation of the session object jointly determined by the group identifier and the cell identifier received by the receiving unit 81, and generate a first mapping table;

The modifying unit 92 is configured to, in the first mapping table generated by the generating unit 91, mark the resource configuration state of the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located as allocated.

Further, the sending unit 83 is configured to send a resource allocation request to the evolved base station eNB, specifically including:

The sending unit 83 is configured to send a resource allocation request to the evolved base station eNB through a resource creation request Create Bearer request, where the resource creation request carries the group identifier.

Further, the speech right request also carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group;

The judging unit 82 is further configured to judge, according to the first mapping table, whether the conversation object has been determined jointly by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment. Allocate session resources;

The sending unit 83 is further configured to, when the judging unit 82 obtains the When allocating session resources to a session object jointly determined by the group identifier of the user equipment, the cell identifier of the user equipment, and the current topic identifier of the user equipment, a resource allocation request is sent to the evolved base station eNB, and the resource allocation request carries There are the group ID and the topic ID.

The embodiment of the present invention also provides an evolved base station eNB, as shown in FIG. 10, the evolved base station includes:

The receiving unit 1001 is configured to receive the group identifier sent by the user equipment;

a judging unit 1002, configured to judge whether session resources have been allocated for the group identifier received by the receiving unit;

The sending unit 1003 is configured to send the resource configuration information of the session resource allocated to the group ID to the user equipment when the judging unit 1002 obtains that the session resource has been allocated to the group ID.

Further, the sending unit 1003 is configured to send resource configuration information of session resources allocated for the group identifier to the user equipment, specifically including:

The sending unit 1003 is configured to send reconfiguration reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information of session resources allocated for the group identifier.

Further, the receiving unit 1001 is further configured to receive a resource allocation request sent by a cluster communication application server, where the resource allocation request carries the group identifier and the topic identifier; the evolved base station further includes a configuration unit 1004, configured to allocate session resources to the session object jointly determined by the group identifier and the topic identifier received by the receiving unit 1001;

The sending unit 1003 is further configured to send the resource configuration information of the session resource allocated by the configuration unit 1002 to the user equipment.

The embodiment of the present invention also provides a user equipment UE, as shown in FIG. 11, the user equipment includes:

a sending unit 1101, configured to send a group identity to the evolved base station eNB;

The sending unit 1101 is further configured to initiate a speaking right request to the trunking communication application server, where the speaking right request includes the group ID and the cell ID where the UE is located;

The receiving unit 1102 is configured to receive resource configuration information sent by the evolved base station eNB A determining unit 1103, configured to determine session resources according to the resource configuration information received by the receiving unit 1102.

Further, the receiving unit 1102 is also configured to receive the language right request permission sent by the cluster communication application server;

The sending unit 1101 is further configured to, when the receiving unit 1102 receives the speech right request permission sent by the trunking communication application server, use the session resources included in the resource configuration information sent by the eNB to send data.

further:

The sending unit 1101 is further configured to send the topic identifier and the group identifier to the eNB, so that the eNB determines whether to allocate session resources for the user equipment according to the topic identifier and the group identifier;

Initiating a speech right request to the trunking communication application server, where the speech right request further includes a topic identifier, so that the trunking communication application server determines whether to allocate the user equipment to the user equipment through the evolved base station according to the topic identifier, group identifier and cell identifier Session resource.

The embodiment of the present invention also provides a resource allocation system, as shown in FIG. 12, the system consists of the cluster communication application server 1201 shown in FIG. 8 or FIG. 9 and the evolved base station eNB1202 shown in FIG. 10 and the User equipment 1203 is shown.

The embodiment of the present invention also provides an evolved base station eNB, as shown in FIG. 13, the evolved base station includes:

The receiving unit 1 301 is configured to receive a resource allocation request sent by the trunking communication application server, where the resource allocation request carries a group identifier where the user equipment is located;

The judging unit 1 302 is configured to judge whether session resources have been allocated for the group identifier received by the receiving unit 1 301 according to a second mapping table, the second mapping table is used to describe the The allocation of session resources for each group;

The configuration unit 1 303 is configured to allocate session resources for the group ID when the judging unit 1 302 obtains that no session resources are allocated for the group ID and receives a resource allocation request sent by the cluster communication application server;

The sending unit 1 304 is configured to, when the judging unit 1 302 obtains that the group ID has been allocated resources When the source is used, the allocated resource configuration information and the group identifier are sent to the user equipment, so that the user equipment can perform session communication in the allocated session resources.

Further, as shown in FIG. 14, the evolved base station also includes:

a generating unit 1401, configured to map the group identifier received by the receiving unit 1301 and the resource allocation situation of the group, and generate a second mapping table;

The modifying unit 1402 is configured to mark, in the second mapping table generated by the generating unit 1401, the resource configuration status corresponding to the group identifier of the user equipment as allocated.

Further, the sending unit 1304 is configured to send resource configuration information to the user equipment UE, specifically including:

The sending unit 1304 sends reconfiguration information to the user equipment, and the reconfiguration information carries configuration information of resource allocation.

further:

The receiving unit 1301 is also configured to receive the topic identifier sent by the terminal;

The judging unit 1302 is further configured to judge whether the receiving unit has

1301 Allocate session resources to the session object determined jointly by the received group ID and the topic ID;

The configuring unit 1303 is further configured to, when the judging unit 1302 obtains that no session resource is allocated to the session object jointly determined by the group ID and the topic ID, for the group ID and the topic ID jointly determined The session object allocates session resources;

The sending unit 1304 is also used for:

sending the resource configuration information of the session resources allocated by the configuration unit 1303 to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information;

The sending unit 1304 is further configured to, when the judging unit 1302 obtains that a session resource has been allocated to a session object jointly determined by the group ID and the topic ID, send resource configuration information of the allocated session resource to the user equipment, so that the user equipment performs session communication in the allocated session resources.

The embodiment of the present invention also provides a resource allocation method, the method is applied to cluster communication Application server, as shown in Figure 15, the method includes:

Step 1501. Receive the speaking right request sent by the user equipment UE, and the speaking right request carries the group identifier and the cell identifier where the user equipment is located.

Step 1502. Determine whether session resources have been allocated to the session object determined jointly by the group identifier of the user equipment and the cell identifier of the user equipment according to the first mapping table. The first mapping table is used to describe the session resources of each group in each cell distribution.

Step 1503, if the session resource is not allocated for the session object determined jointly by the group ID and the cell ID where the user equipment is located, send a resource allocation request to the eNB, and the resource allocation request carries the group ID.

Further, step 1502, judging according to the first mapping table whether session resources have been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located, specifically includes:

1) judging whether session resources have been allocated for the group identifier according to the first mapping table;

2) If no session resource is allocated for the group identifier, then determining that no session resource is allocated for a session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

3) If a session resource has been allocated for the group ID, then judging whether the cell ID corresponding to the session resource is the same as the received cell ID;

4) If they are the same, determining that the session resource has been allocated to the session object jointly determined by the group identifier where the user equipment is located and the cell identifier where the user equipment is located;

If they are not the same, it is determined that no session resource is allocated for the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located.

Further, before receiving the speaking right request sent by the user equipment UE, the method further includes: mapping the group identifier, the cell identifier, and the resource allocation situation of the session object jointly determined by the group identifier and the cell identifier, and generating first mapping table;

After sending the resource allocation request to the evolved base station eNB, the method further includes: in the first mapping table, assigning the group identifier where the user equipment is located and the group identifier where the user equipment is located The resource configuration status of the session object jointly determined by the cell IDs is marked as allocated.

Further, the sending the resource allocation request to the evolved base station eNB specifically includes: sending the resource allocation request to the evolved base station eNB by creating a resource request Create Bearer request t, and the resource creation request carries the group identifier.

Further, the speech right request also carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group;

As shown in Figure 16, the method also includes:

Step 1601. Judging according to the first mapping table whether session resources have been allocated to the session object determined jointly by the group ID of the user equipment, the cell ID of the user equipment, and the current topic ID of the user equipment.

Step 1602, if the session resource is not allocated to the session object jointly determined by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment, send a resource allocation request to the evolved base station eNB, the resource allocation request Carry the group ID and topic ID in it.

The embodiment of the present invention also provides a resource allocation method, the method is applied to the evolved base station, as shown in Figure 17, the method includes:

Step 1701. Receive the group identifier sent by the user equipment.

Step 1702. If session resources have been allocated to the group ID, send the resource configuration information of the session resources allocated to the group ID to the user equipment.

Further, the sending the resource configuration information to the user equipment UE specifically includes: sending reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information.

Further, as shown in Figure 18, the method also includes:

Step 1801. Receive the topic identifier sent by the terminal.

Step 1802, judging whether session resources have been allocated to the session object identified jointly by the group ID and the topic ID.

Step 1803a, if no session is assigned to the session object determined by the group identifier and the topic identifier resources, allocate session resources for the session object jointly determined by the group ID and the topic ID, and send the resource configuration information of the allocated session resources to the user equipment UE, so that the user equipment can perform session communication according to the allocated resource configuration information.

Step 1803b, if the session resource has been allocated to the session object jointly determined by the group ID and the topic ID, send the resource configuration information of the allocated session resource to the user equipment, so that the user equipment can perform session communication in the allocated session resource.

The embodiment of the present invention also provides a method for resource allocation, the method is applied to the evolved base station eNB, as shown in Figure 19, the method includes:

Step 1901. Receive the resource allocation request sent by the trunking communication application server, and the resource allocation request carries d and the group identifier where the user equipment is located.

Step 1902. Determine whether session resources have been allocated to the group ID according to the second mapping table, and the second mapping table is used to describe the allocation of session resources of each group in the cell covered by the eNB.

Step 1903a, if no session resource is allocated to the group ID, then when a resource allocation request sent by the cluster communication application server is received, session resources are allocated to the group ID.

Step 1903b, if resources have been allocated to the group ID, send the allocated resource configuration information and the group ID to the user equipment, so that the user equipment can perform session communication in the allocated session resources.

Further, before step 1902, judging according to the second mapping table whether session resources have been allocated for the group ID, the method further includes:

Mapping the group identifier and the resource allocation situation of the group to generate a second mapping table; after sending the resource configuration information to the user equipment, the method further includes: In the second mapping table, Marking the resource configuration state corresponding to the group identifier of the user equipment as allocated.

Further, the sending the resource configuration information to the user equipment UE specifically includes: sending reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information.

Further, as shown in Figure 20, the method further includes: Step 2001, receiving the topic identifier sent by the terminal.

Step 2002. According to the second mapping table, it is judged whether the session resource has been allocated to the session object jointly determined by the group ID and the topic ID.

Step 2003a, if no session resource is allocated to the session object jointly determined by the group ID and the topic ID, allocate session resources to the session object jointly determined by the group ID and the topic ID, and send the resource configuration information of the allocated session resource to the user equipment UE , so that the user equipment performs session communication according to the allocated resource configuration information.

Step 2003b, if the session resource has been allocated to the session object jointly determined by the group ID and the topic ID, send the resource configuration information of the allocated session resource to the user equipment, so that the user equipment can perform session communication in the allocated session resource.

The embodiment of the present invention also provides a resource allocation method, the method is applied to the user equipment

UE, as shown in Figure 21, the method includes:

Step 2101. Send the group identifier to the eNB.

Step 2102. Initiate a speaking right request to the trunking communication application server, and the speaking right request includes the group ID and the cell ID where the UE is located.

Step 2103. Determine the session resources according to the resource configuration information sent by the eNB. Further, after receiving the resource configuration information sent by the evolved base station eNB to determine the session resource, the method further includes:

If the speech right request permission sent by the trunking communication application server is received, the session resource included in the resource configuration information sent by the evolved base station eNB is used to send data.

Further, the method also includes:

Sending the topic identifier and the group identifier to the eNB, so that the eNB determines whether to allocate session resources for the user equipment according to the topic identifier and the group identifier;

Initiate a speech right request to the trunking communication application server, where the speech right request further includes a topic identifier, so that the trunking communication application server determines whether to allocate the user equipment to the user equipment through the evolved base station according to the topic identifier, group identifier, and cell identifier. Session resource.

Those skilled in the art can clearly understand that for the convenience and brevity of description, only the division of the above-mentioned functional modules is used for illustration. In practical applications, the above-mentioned functional modules can be divided as needed The energy allocation is accomplished by different functional modules, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. For the specific working process of the system, device and unit described above, reference may be made to the corresponding process in the aforementioned method embodiments, and details are not repeated here.

The above description is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be defined by the protection scope of the claims.

Claims (34)

Claims 1. A group communication application server Group Communication Service Enabler Application Server, characterized in that, the group communication application server includes: The receiver is configured to receive the speaking right request sent by the user equipment UE, where the speaking right request carries the d, group identifier and d, area identifier where the user equipment is located; a processor, configured to judge, according to a first mapping table, whether a session resource has been allocated to a session object that is jointly determined by the group identifier of the user equipment and the cell identifier of the user equipment received by the receiver, the first The mapping table is used to describe the allocation of session resources of each group in each cell; the transmitter is used to allocate session resources when the processor obtains no session resource allocation for a session object that is jointly determined by the group ID and the cell ID where the user equipment is located , sending a resource allocation request to the eNB, where the resource allocation request carries the group identifier. 2. The trunking communication application server according to claim 1, wherein the processor is configured to judge whether the group ID and the group ID of the user equipment have been received by the receiver according to the first mapping table. Allocating session resources to a session object jointly determined by the cell identifier where the user equipment is located specifically includes that the processor is configured to: judging according to the first mapping table whether session resources have been allocated to the group ID; If no session resource is allocated for the group ID, then determining that no session resource is allocated for the session object jointly determined by the group ID where the user equipment is located and the cell ID where the user equipment is located; if the session resource has been allocated for the group ID resource, judging whether the cell identifier corresponding to the session resource is the same as the received cell identifier; If they are the same, then determine that the session resource has been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located; If not, it is determined that no session resource is allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located. 3. The cluster communication application server according to claim 2, wherein the processor is further configured to: For the group ID, the cell ID, and the group ID and the cell ID received by the receiver Mapping the resource allocation conditions of the jointly determined session objects to generate a first mapping table; In the generated first mapping table, the resource configuration state of the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located is marked as allocated. 4. The cluster communication application server according to claim 3, wherein the transmitter is configured to send a resource allocation request to the evolved base station eNB, specifically comprising: The transmitter is configured to send a resource allocation request to the evolved base station eNB by creating a resource request Create Bearer request, where the resource creation request carries the group identifier. 5. The trunking communication application server according to claims 1 to 4, wherein the speech right request also carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group; the processor It is also used to judge according to the first mapping table whether a session resource has been allocated to a session object jointly determined by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment; The transmitter is further configured to allocate a session when the processor obtains a session object that is not jointly determined for the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment When using resources, send a resource allocation request to the eNB, where the resource allocation request carries the group identifier and the topic identifier. 6. An evolved base station eNB, characterized in that the evolved base station includes: a receiver, configured to receive the group identifier sent by the user equipment; a processor, configured to determine whether a session resource has been allocated for the group ID received by the receiver; a transmitter, configured to, when the processor obtains that a session resource has been allocated for the group ID, assign the session resource to the group ID The resource configuration information of the session resource assigned by the group identifier is sent to the user equipment. 7. The evolved base station according to claim 6, wherein the transmitter is configured to send resource configuration information of session resources allocated for the group identifier to the user equipment, specifically comprising: the transmitting The device is configured to send reconfiguration reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information of session resources that have been allocated for the group identifier. 8. The evolved base station according to claim 6 or 7, characterized in that: The receiver is also used to receive the resource allocation request sent by the cluster communication application server, the The resource allocation request carries the group identifier and the topic identifier; The processor is further configured to allocate session resources to the session object jointly determined by the group ID and the topic ID received by the receiver; The transmitter is further configured to send the resource configuration information of the session resource allocated by the processor to the user equipment. 9. An evolved base station eNB, characterized in that the evolved base station includes: The receiver is configured to receive the resource allocation request sent by the trunking communication application server, where the resource allocation request carries d and the group identifier where the user equipment is located; a processor, configured to determine whether session resources have been allocated for the group identifier received by the receiver according to a second mapping table, where the second mapping table is used to describe the sessions of each group in the cell covered by the eNB resource allocation; The processor is further configured to allocate session resources for the group ID when the processor obtains that no session resources are allocated for the group ID and receives a resource allocation request sent by a cluster communication application server; The processor is further configured to, when resources have been allocated for the group identifier, send the allocated resource configuration information and the group identifier to the user equipment, so that the user equipment can perform session communication in the allocated session resources. 10. The evolved base station according to claim 9, wherein the processor is further configured to: map the group identifier received by the receiver and the resource allocation situation of the group, and generate the first Two mapping tables; In the generated second mapping table, mark the resource configuration status corresponding to the group identifier of the user equipment as allocated. 11. The evolved base station according to claim 10, wherein the transmitter is configured to send resource configuration information to the user equipment UE, specifically comprising: The transmitter sends reconfiguration information to the user equipment, and the reconfiguration information carries configuration information of resource allocation. 12. The evolved base station according to claim 10 or 11, characterized in that: The receiver is also used to receive the topic identifier sent by the terminal; The processor is further configured to judge, according to the second mapping table, whether session resources have been allocated to the session object jointly determined by the group identifier and the topic identifier received by the receiver, and if no session resources have been allocated for the group identifier and the topic identifier Allocating session resources to session objects jointly determined by the topic identifier, then allocating session resources to session objects jointly determined by the group identifier and the topic identifier; The transmitter is also used to: sending the resource configuration information of the session resource allocated by the processor to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information; The transmitter is further configured to, when the processor obtains that a session resource has been allocated to a session object jointly determined by the group identifier and the topic identifier, send resource configuration information of the allocated session resource to the user equipment, so that the user equipment performs session communication in the allocated session resources. 13. A user equipment UE, characterized in that the user equipment includes: a transmitter, configured to send the group identity to the evolved base station eNB; The transmitter is further configured to initiate a speaking right request to the cluster communication application server, where the speaking right request includes the group identifier and the cell identifier where the UE is located; A receiver, configured to receive resource configuration information sent by the evolved base station eNB a processor, configured to determine session resources according to the resource configuration information received by the receiver. 14. The user equipment according to claim 13, wherein the receiver is further configured to receive the language right request permission sent by the cluster communication application server; The processor is further configured to, when the receiver receives the speech right request permission sent by the trunking communication application server, use the session resource included in the resource configuration information sent by the eNB to send data. 15. The user equipment according to claim 13, characterized in that: The transmitter is further configured to send a topic identifier and a group identifier to the eNB, so that the eNB determines whether to allocate session resources for the user equipment according to the topic identifier and the group identifier; initiate a speaking right to the cluster communication application server request, the speech right request also includes a topic identifier, so that the trunking communication application server determines whether it is No: Allocate session resources for the user equipment through the eNB. 16. A resource allocation system, characterized in that the system consists of the cluster communication application server according to any one of claims 1 to 5 and the evolved base station eNB according to any one of claims 6 to 8 and the user equipment described in claim 13 or 15. 17. A group communication application server (Group Communication Service Enabler Application Server), characterized in that the group communication application server includes: The receiving unit is configured to receive the speaking right request sent by the user equipment UE, where the speaking right request carries the group identifier and the cell identifier where the user equipment is located; a judging unit, configured to judge, according to a first mapping table, whether a session resource has been allocated to a session object that is jointly determined by the group identifier of the user equipment and the cell identifier of the user equipment received by the receiving unit, the first The mapping table is used to describe the allocation of session resources of each group in each cell; the sending unit is used for when the judging unit obtains that the session resource is not allocated to the session object jointly determined by the group ID and the cell ID where the user equipment is located , sending a resource allocation request to the eNB, where the resource allocation request carries the group identifier. 18. The trunking communication application server according to claim 17, wherein the judging unit is configured to judge according to the first mapping table whether the group ID and the group ID of the user equipment have been received by the receiving unit. Allocating session resources to a session object jointly determined by the cell identifier where the user equipment is located specifically includes that the judging unit is configured to: judging according to the first mapping table whether session resources have been allocated to the group ID; If no session resource is allocated for the group ID, then determining that no session resource is allocated for the session object jointly determined by the group ID where the user equipment is located and the cell ID where the user equipment is located; if the session resource has been allocated for the group ID resource, judging whether the cell identifier corresponding to the session resource is the same as the received cell identifier; If they are the same, then determine that the session resource has been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located; If not, it is determined that no session resource is allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located. 19. The cluster communication application server according to claim 18, wherein the cluster communication application server further comprises: a generating unit, configured to map the group identifier received by the receiving unit, the cell identifier, and the resource allocation of the session object jointly determined by the group identifier and the cell identifier, to generate a first mapping table; The modifying unit is configured to mark, in the first mapping table generated by the generating unit, the resource configuration state of the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located as allocated. 20. The trunked communication application server according to claim 19, wherein the sending unit is configured to send a resource allocation request to the evolved base station eNB, specifically comprising: The sending unit is configured to send a resource allocation request to the evolved base station eNB through a resource creation request Create Bearer request, where the resource creation request carries the group identifier. 21. The trunking communication application server according to claims 17 to 20, wherein the speech right request also carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group; The judging unit is further configured to judge, according to the first mapping table, whether the session object that is jointly determined by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment has been allocated session resource; The sending unit is further configured to allocate a session when the judging unit obtains a session object that is not jointly determined for the group ID where the user equipment is located, the cell ID where the user equipment is located, and the current topic ID of the user equipment. When using resources, send a resource allocation request to the eNB, where the resource allocation request carries the group identifier and the topic identifier. 22. An evolved base station eNB, characterized in that the evolved base station includes: a receiving unit, configured to receive the group identifier sent by the user equipment; a judging unit, configured to judge whether session resources have been allocated for the group identifier received by the receiving unit; a sending unit, configured to, when the judging unit obtains that session resources have been allocated for the group identifier, Sending resource configuration information of session resources allocated to the group identifier to the user equipment. 23. The evolved base station according to claim 22, wherein the sending unit is configured to send the resource configuration information of the session resource allocated for the group identifier to the user equipment, specifically comprising: The sending unit is configured to send reconfiguration reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information of session resources that have been allocated for the group identifier. 24. The evolved base station according to claim 22 or 23, characterized in that: The receiving unit is further configured to receive a resource allocation request sent by the cluster communication application server, where the resource allocation request carries the group identifier and the topic identifier; The evolved base station further includes a configuration unit configured to allocate session resources for the session object that is jointly determined by the group identifier and the topic identifier received by the receiving unit; The sending unit is further configured to send the resource configuration information of the session resource allocated by the configuring unit to the user equipment. 25. An evolved base station eNB, characterized in that the evolved base station includes: The receiving unit is configured to receive the resource allocation request sent by the cluster communication application server, and the resource allocation request carries d and the group identifier where the user equipment is located; a judging unit, configured to judge whether session resources have been allocated for the group identifier received by the receiving unit according to a second mapping table, the second mapping table being used to describe the sessions of each group in the cell covered by the eNB resource allocation; a configuration unit configured to allocate session resources for the group ID when the judging unit obtains that session resources are not allocated for the group ID and receives a resource allocation request sent by a cluster communication application server; a sending unit, configured to send the allocated resource configuration information and the group ID to the user equipment when the judging unit obtains that resources have been allocated for the group ID, so that the user equipment can conduct a session in the allocated session resources communication. 26. The evolved base station according to claim 25, further comprising: a generating unit, configured to map the group identifier received by the receiving unit and the resource allocation situation of the group, to generate a second mapping table; The modifying unit is configured to mark, in the second mapping table generated by the generating unit, the resource configuration state corresponding to the group identifier of the user equipment as allocated. 27. The evolved base station according to claim 26, wherein the sending unit is configured to send resource configuration information to the user equipment UE, specifically comprising: The sending unit sends reconfiguration reconfiguration information to the user equipment, and the reconfiguration information carries configuration information of resource allocation. 28. The evolved base station according to any one of claims 25 to 27, characterized in that: the receiving unit is further configured to receive the topic identifier sent by the terminal; The judging unit is further configured to judge, according to the second mapping table, whether a session resource has been allocated to the session object jointly determined by the group ID and the topic ID received by the receiving unit; The configuring unit is further configured to, when the judging unit obtains that no session resources are allocated for the session object jointly determined by the group ID and the topic ID, for the session object jointly determined by the group ID and the topic ID Allocate session resources; The sending unit is also used for: sending the resource configuration information of the session resource allocated by the configuration unit to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information; The sending unit is further configured to, when the judging unit obtains that a session resource has been allocated to a session object jointly determined by the group identifier and the topic identifier, send resource configuration information of the allocated session resource to the user equipment, so that the user equipment performs session communication in the allocated session resources. 29. A user equipment UE, characterized in that the user equipment includes: a sending unit, configured to send the group identity to the evolved base station eNB; The sending unit is further configured to initiate a speaking right request to the trunking communication application server, where the speaking right request includes the '' where the UE is located, a group identifier and a cell identifier; A receiving unit, configured to receive resource configuration information sent by the evolved base station eNB The determining unit is configured to determine session resources according to the resource configuration information received by the receiving unit. 30. The user equipment according to claim 29, wherein the receiving unit is further configured to receive the language right request permission sent by the cluster communication application server; The sending unit is further configured to, when the receiving unit receives the speech right request permission sent by the trunking communication application server, use the session resources included in the resource configuration information sent by the eNB to send data. 31. The user equipment according to claim 30, characterized in that: The sending unit is further configured to send a topic ID and a group ID to the eNB, so that the eNB determines whether to allocate session resources for the user equipment according to the topic ID and the group ID; initiate a speaking right to the cluster communication application server The speaking right request further includes a topic identifier, so that the cluster communication application server determines whether to allocate session resources for the user equipment through the eNB according to the topic identifier, the group identifier and the cell identifier. 32. A system for resource allocation, the system comprising the cluster communication application server according to any one of claims 17 to 21, the evolved base station eNB according to any one of claims 22 to 24, and the eNB according to claim 29 Or the user equipment described in 31. 33. A method for resource allocation, characterized in that the method comprises: receiving the speaking right request sent by the user equipment UE, where the speaking right request carries the group identifier and the cell identifier where the user equipment is located; Judging whether a session resource has been allocated to a session object determined jointly by the group identifier of the user equipment and the cell identifier of the user equipment according to the first mapping table, the first mapping table is used to describe the status of each group in each cell The allocation of session resources; If no session resource is allocated for the session object determined jointly by the group identifier and the cell identifier where the user equipment is located, a resource allocation request is sent to the evolved base station eNB, and the resource allocation request carries the group identifier. 34. The method for resource allocation according to claim 33, characterized in that, according to the first mapping table, judging whether the session has been determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located The object allocates session resources, including: judging according to the first mapping table whether session resources have been allocated to the group ID; If no session resource is allocated for the group ID, then determining that no session resource is allocated for the session object jointly determined by the group ID where the user equipment is located and the cell ID where the user equipment is located; if the session resource has been allocated for the group ID resource, judging whether the cell identifier corresponding to the session resource is the same as the received cell identifier; If they are the same, then determine that the session resource has been allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located; If not, it is determined that no session resource is allocated to the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located. 35. The method for resource allocation according to claim 34, characterized in that, before receiving the speaking right request sent by the user equipment UE, the method further comprises: Mapping the group ID, the cell ID, and the resource allocation of the session object jointly determined by the group ID and the cell ID, to generate a first mapping table; After sending the resource allocation request to the eNB, the method further includes: In the first mapping table, the resource configuration state of the session object determined jointly by the group identifier where the user equipment is located and the cell identifier where the user equipment is located is marked as allocated. 36. The resource allocation method according to claim 35, wherein the sending a resource allocation request to the eNB includes: A resource allocation request is sent to the evolved base station eNB by creating a resource request Create Bearer request, where the group identifier is carried in the resource creation request. 37. The resource allocation method according to claims 33 to 36, wherein the speech right request also carries a topic identifier, and the topic identifier is used to indicate a topic communication in the group; the method also includes include: Judging according to the first mapping table whether the session resource has been allocated to the session object determined jointly by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment; If no session resource is allocated to the session object jointly determined by the group identifier where the user equipment is located, the cell identifier where the user equipment is located, and the current topic identifier of the user equipment, then The advanced base station eNB sends a resource allocation request, and the resource allocation request carries the group identifier and the topic identifier. 38. A method for resource allocation, characterized in that the method comprises: receiving the group identification sent by the user equipment; If the session resource has been allocated to the group ID, sending the resource configuration information of the session resource allocated to the group ID to the user equipment. 39. The method for resource allocation according to claim 38, wherein the sending the resource configuration information to the user equipment UE specifically includes: Send reconfiguration reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information. 40. The resource allocation method according to claim 38 or 39, further comprising: Receive the topic identifier sent by the terminal; Judging whether the session resource has been allocated to the session object identified jointly by the group ID and the topic ID; If the session resource is not allocated to the session object jointly determined by the group ID and the topic ID, the session resource is allocated to the session object jointly determined by the group ID and the topic ID, and the resource configuration information of the allocated session resource is sending to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information; If a session resource has been allocated to the session object jointly determined by the group identifier and the topic identifier, sending resource configuration information of the allocated session resource to the user equipment, so that the user equipment can perform session communication. 41. A method for resource allocation, characterized in that the method comprises: receiving a resource allocation request sent by the trunking communication application server, where the resource allocation request carries the group identifier where the user equipment is located; Judging whether session resources have been allocated for the group identifier according to a second mapping table, the second mapping table is used to describe the allocation of session resources of each group in the cell covered by the eNB; If no session resource is allocated for the group ID, when a resource allocation request sent by the cluster communication application server is received, allocate session resources for the group ID; If resources have been allocated for the group identifier, then the allocated resource configuration information and the group identifier are sent to the user equipment, so that the user equipment performs session communication in the allocated session resources. 42. The method for resource allocation according to claim 41, characterized in that, before judging whether session resources have been allocated to the group ID according to the second mapping table, the method further comprises: Mapping the group identifier and the resource allocation situation of the group to generate a second mapping table; after sending the resource configuration information to the user equipment, the method further includes: In the second mapping table, mark the resource configuration state corresponding to the group identifier of the user equipment as allocated. 43. The method for resource allocation according to claim 41, wherein the sending of the resource configuration information to the user equipment UE specifically includes: Send reconfiguration information to the user equipment, where the reconfiguration information carries resource configuration information. 44. The resource allocation method according to any one of claims 41 to 43, characterized in that the method further comprises: Receive the topic identifier sent by the terminal; Judging according to the second mapping table whether to allocate session resources for the session object jointly determined by the group ID and the topic ID; If the session resource is not allocated to the session object jointly determined by the group ID and the topic ID, the session resource is allocated to the session object jointly determined by the group ID and the topic ID, and the resource configuration information of the allocated session resource is sending to the user equipment UE, so that the user equipment performs session communication according to the allocated resource configuration information; If a session resource has been allocated to the session object jointly determined by the group identifier and the topic identifier, sending resource configuration information of the allocated session resource to the user equipment, so that the user equipment can perform session communication. 45. A method for resource allocation, characterized in that the method comprises: Send the group identity to the evolved base station eNB; Initiate a speaking right request to the cluster communication application server, where the speaking right request includes the group identifier and the cell identifier where the UE is located; The session resources are determined according to the resource configuration information sent by the eNB. 46. The method for resource allocation according to claim 45, characterized in that, after receiving resource configuration information sent by the evolved base station eNB to determine session resources, the method further comprises: If the speech right request permission sent by the trunking communication application server is received, the session resource included in the resource configuration information sent by the evolved base station eNB is used to send data. 47. The method for resource allocation according to claim 45, further comprising: Sending the topic identifier and the group identifier to the eNB, so that the eNB determines whether to allocate session resources for the user equipment according to the topic identifier and the group identifier; Initiate a speech right request to the trunking communication application server, where the speech right request further includes a topic identifier, so that the trunking communication application server determines whether to allocate the user equipment to the user equipment through the evolved base station according to the topic identifier, group identifier, and cell identifier. Session resource.