CN114554501B - Communication control method, device, system and storage medium - Google Patents
Communication control method, device, system and storage mediumInfo
- Publication number
- CN114554501B CN114554501B CN202011332031.9A CN202011332031A CN114554501B CN 114554501 B CN114554501 B CN 114554501B CN 202011332031 A CN202011332031 A CN 202011332031A CN 114554501 B CN114554501 B CN 114554501B
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- base station
- lte base
- terminal
- dss
- communication control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本发明公开了一种通信控制方法、装置、系统和存储介质，涉及移动通信技术领域。通信控制方法包括：响应于识别到处于连接态的新空口NR终端移动到动态频谱共享DSS基站与长期演进LTE基站的覆盖范围的边界，确定NR终端的资源占用信息；向LTE基站发送智能调度请求，其中，智能调度请求包括NR终端的资源占用信息，以便LTE基站根据智能调度请求，调整LTE基站的资源配置，使得调整后的资源配置避让NR终端所占用的资源。本发明的实施例在不浪费DSS和LTE基站PRB资源情况下，上述实施例极大提高了组网灵活性和资源利用率，降低了上行和下行干扰。
The present invention discloses a communication control method, device, system and storage medium, and relates to the field of mobile communication technology. The communication control method includes: in response to identifying that a new air interface NR terminal in a connected state moves to the boundary of the coverage range of a dynamic spectrum sharing DSS base station and a long-term evolution LTE base station, determining the resource occupancy information of the NR terminal; sending an intelligent scheduling request to the LTE base station, wherein the intelligent scheduling request includes the resource occupancy information of the NR terminal, so that the LTE base station adjusts the resource configuration of the LTE base station according to the intelligent scheduling request, so that the adjusted resource configuration avoids the resources occupied by the NR terminal. The embodiments of the present invention greatly improve the networking flexibility and resource utilization without wasting the PRB resources of the DSS and LTE base stations, and reduce uplink and downlink interference.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a communication control method, device, system, and storage medium.
Background
Spectrum is a scarce resource for operators. Dynamic spectrum sharing (Dynamic Spectrum Sharing, abbreviated as DSS) technology can realize dynamic spectrum sharing between 4G and 5G, and with the development of 5G technology and the continuous increase of 5G service demand on 5G spectrum resources, the technology can meet the respective flow demand of 4G/5G users on limited spectrum resources, and provide optimal performance for 4G and 5G equipment by utilizing dynamic allocation of spectrum instants.
In the related art, DSS can be supported by upgrading a 4G base station. The DSS base station can adopt two schemes of connected networking and mixed networking.
Disclosure of Invention
The inventor finds out after analyzing the related technology that the connected networking mode has the advantages that the DSS base station and the LTE base station have no interference, and has the disadvantages of high networking construction cost and possible waste of resources. The hybrid networking mode has the advantages of low networking construction cost, reasonable resource allocation and no waste, and has the defect that uplink and downlink interference between the DSS base station and the LTE base station can occur when the terminal is positioned at the boundary of the DSS base station.
The technical problem to be solved by the embodiment of the invention is how to reduce interference on the premise of reducing the networking construction cost.
According to a first aspect of some embodiments of the present invention, there is provided a communication control method, including determining resource occupancy information of an NR terminal in response to identifying that a new air interface NR terminal in a connected state moves to a boundary of coverage of a dynamic spectrum sharing DSS base station and a long term evolution LTE base station, and transmitting an intelligent scheduling request to the LTE base station, wherein the intelligent scheduling request includes the resource occupancy information of the NR terminal, so that the LTE base station adjusts resource allocation of the LTE base station according to the intelligent scheduling request, so that the adjusted resource allocation avoids resources occupied by the NR terminal.
In some embodiments, the communication control method further includes judging a position of the NR terminal according to the reporting event of the NR terminal and the neighbor relation.
In some embodiments, the resource occupancy information includes an uplink physical resource block, PRB, index number, a downlink PRB index number, and scheduling timing information.
In some embodiments, the intelligent scheduling request is sent to the LTE base station over the NG interface.
In some embodiments, the communication control method further comprises receiving an adjustment result of the resource configuration, which is sent by the LTE base station.
In some embodiments, an adaptive adjustment request is sent to an LTE base station through an NG interface, wherein the adaptive adjustment request comprises an intelligent scheduling request, and an adaptive adjustment response sent by the LTE base station is received through the NG interface, wherein the adaptive adjustment response comprises an adjustment result of the LTE base station on resource configuration.
According to a second aspect of some embodiments of the present invention, there is provided a communication control apparatus including a determining module configured to determine resource occupancy information of an NR terminal in response to identifying that a new air interface NR terminal in a connected state moves to a boundary of coverage of a dynamic spectrum sharing DSS base station and a long term evolution LTE base station, and a transmitting module configured to transmit an intelligent scheduling request to the LTE base station, wherein the intelligent scheduling request includes the resource occupancy information of the NR terminal, so that the LTE base station adjusts resource configuration of the LTE base station according to the intelligent scheduling request, so that the adjusted resource configuration dodges resources occupied by the NR terminal.
In some embodiments, the communication control device further comprises a position judging module configured to judge the position of the NR terminal according to the reporting event of the NR terminal and the neighbor relation.
In some embodiments, the resource occupancy information includes an uplink PRB index number, a downlink PRB index number, and scheduling timing information.
In some embodiments, the sending module sends the intelligent scheduling request to the LTE base station through the NG interface.
In some embodiments, the communication control device further comprises a receiving module configured to receive an adjustment result of the resource configuration sent by the LTE base station.
In some embodiments, the sending module is further configured to send an adaptive adjustment request to the LTE base station through the NG interface, wherein the adaptive adjustment request includes an intelligent scheduling request, and the receiving module is further configured to receive an adaptive adjustment response sent by the LTE base station through the NG interface, wherein the adaptive adjustment response includes an adjustment result of the LTE base station to the resource configuration.
According to a third aspect of some embodiments of the present invention, there is provided a communication control system, including a DSS base station, where the DSS base station includes any one of the foregoing communication control apparatuses, and an LTE base station configured to adjust, according to resource occupation information of an NR terminal in an intelligent scheduling request sent by the DSS base station, resource configuration of the LTE base station, so that the adjusted resource configuration avoids resources occupied by the NR terminal.
In some embodiments, the DSS base station and the LTE base station are hybrid networking.
According to a fourth aspect of some embodiments of the present invention there is provided a communication control apparatus comprising a memory, and a processor coupled to the memory, the processor being configured to perform any one of the aforementioned communication control methods based on instructions stored in the memory.
According to a fifth aspect of some embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements any one of the foregoing communication control methods.
Some of the embodiments of the above invention have the following advantages or benefits. In the networking scenario of the DSS base station and the LTE base station, when the terminal moves to the coverage boundary of the DSS base station and the LTE base station, and thus uplink and downlink interference may be caused, the DSS base station informs the LTE base station of the resource occupation information of the NR terminal, so that the LTE base station can adaptively adjust its own resource configuration to avoid the resources occupied by the NR terminal. Under the condition of not wasting PRB resources of the DSS and the LTE base station, the embodiment greatly improves the networking flexibility and the resource utilization rate and reduces the uplink and downlink interference. And under the condition of mixed networking of the LTE base station and the DSS base station, the construction cost of the initial stage of 4G/5G DSS network construction is reduced.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 illustrates a flow diagram of a communication control method according to some embodiments of the invention.
Fig. 2 shows a flow diagram of a communication control method according to further embodiments of the present invention.
Fig. 3 illustrates a schematic configuration of a communication control apparatus according to some embodiments of the present invention.
Fig. 4 illustrates a schematic diagram of a communication control system according to some embodiments of the invention.
Fig. 5 is a schematic diagram showing the structure of a communication control apparatus according to other embodiments of the present invention.
Fig. 6 shows a schematic structural diagram of a communication control apparatus according to still other embodiments of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Fig. 1 illustrates a flow diagram of a communication control method according to some embodiments of the invention. As shown in FIG. 1, the communication control method of the embodiment includes steps S102 to S108. Steps S102 to S106 are performed at the DSS base station side.
In step S102, the location of an NR (New Radio) terminal in a connected state is identified. The NR terminal accesses the DSS base station.
In some embodiments, the location of the NR terminal is determined according to reporting events (e.g., A3, A4, A5 events) of the NR terminal and the neighbor relation. For example, the A3 event indicates that the measurement result of the neighbor cell is better than that of the serving cell, and the position of the NR terminal can be determined by combining the signal quality conditions of the cells in the neighbor cell relationship.
In step S104, in response to identifying that the new air interface NR terminal in the connected state moves to the boundary of the coverage of the DSS base station and the LTE (Long Term Evolution, for short: long term evolution) base station, resource occupancy information of the NR terminal is determined.
In some embodiments, the resource occupancy information includes an uplink PRB (Physical Resource Block ) index number, a downlink PRB index number, and scheduling timing information.
In some embodiments, the LTE base station does not hold a DSS.
In some embodiments, the LTE base station and the DSS base station are networked by hybrid networking. Therefore, the embodiment can reduce interference on the premise of reducing networking construction cost.
In step S106, an intelligent scheduling request is sent to the LTE base station, where the intelligent scheduling request includes resource occupancy information of the NR terminal.
In some embodiments, the DSS base station sends the intelligent scheduling request to the LTE base station over the NG interface. The NG interface is the interface between the radio access network and the 5G core network.
In step S108, the LTE base station adjusts the resource allocation of the LTE base station according to the intelligent scheduling request, so that the adjusted resource allocation avoids the resources occupied by the NR terminal.
For example, the LTE base station readjusts the scheduling timing Pattern (Pattern) of the LTE base station, so that the LTE base station performs back-off scheduling on uplink and downlink PRBs occupied by the NR terminal and the scheduling timing, thereby effectively eliminating uplink and downlink interference between the NR terminal and the LTE base station.
In some embodiments, after the LTE base station performs adjustment, the adjustment result of the resource configuration is sent to the DSS base station. If the LTE base station cannot make the adjustment, or fails to make the adjustment, the LTE base station can also inform the DSS base station of the result so that the DSS base station can take other measures.
By the method of the embodiment, in the networking scene of the DSS base station and the LTE base station, when the terminal moves to the coverage boundary of the DSS base station and the LTE base station, and uplink and downlink interference is possibly caused, the DSS base station informs the LTE base station of the resource occupation information of the NR terminal, so that the LTE base station can adaptively adjust the resource configuration of the LTE base station so as to avoid the resources occupied by the NR terminal. Under the condition of not wasting PRB resources of the DSS and the LTE base station, the embodiment greatly improves the networking flexibility and the resource utilization rate and reduces the uplink and downlink interference. And under the condition of mixed networking of the LTE base station and the DSS base station, the construction cost of the initial stage of 4G/5G DSS network construction is reduced.
Table 1 exemplarily shows the case of PRBs occupied by a certain NR terminal. The PRB resources occupied by the NR terminal are indicated at the underline.
TABLE 1
After the DSS base station sends the information to the LTE base station, the LTE base station may perform back-off scheduling. For example, the LTE base station uses the resource configuration of table 2 for scheduling.
TABLE 2
Therefore, through self-adaptive scheduling, the LTE base station can avoid resources occupied by the NR terminal, and uplink and downlink interference is reduced.
In some embodiments, signaling may be added between the DSS base station and the LTE base station to enable interaction of the two. An embodiment of the communication control method of the present invention is described below with reference to fig. 2.
Fig. 2 shows a flow diagram of a communication control method according to further embodiments of the present invention. As shown in FIG. 2, the communication control method of the embodiment includes steps S202 to S208.
In step S202, in response to identifying that the new air interface NR terminal in the connected state moves to the boundary of the coverage of the dynamic spectrum sharing DSS base station and the long term evolution LTE base station, the DSS base station determines resource occupancy information of the NR terminal.
In step S204, the DSS base station sends an adaptive adjustment request (Adaptive Scheduling Request, abbreviated as ASR) to the LTE base station through the NG interface, where the adaptive adjustment request includes an intelligent scheduling request, and the intelligent scheduling request includes resource occupancy information of the NR terminal.
In step S206, the LTE base station adjusts the resource allocation of the LTE base station according to the intelligent scheduling request, so that the adjusted resource allocation avoids the resources occupied by the NR terminal.
In step S208, the LTE base station receives an adaptive adjustment response sent by the LTE base station through the NG interface, where the adaptive adjustment response includes an adjustment result of the LTE base station on the resource configuration.
The method of the above embodiment adds signaling based on NG interface, and through the newly added adaptive adjustment request and adaptive adjustment response, the DSS base station and the LTE base station can implement an adaptive adjustment scheme for reducing uplink and downlink interference.
An embodiment of the communication control apparatus of the present invention is described below with reference to fig. 3.
Fig. 3 illustrates a schematic configuration of a communication control apparatus according to some embodiments of the present invention. As shown in fig. 3, the communication control apparatus 300 of this embodiment includes a determining module 3100 configured to determine resource occupation information of an NR terminal in response to identifying that a new air interface NR terminal in a connected state moves to a boundary of coverage of a dynamic spectrum sharing DSS base station and a long term evolution LTE base station, and a transmitting module 3200 configured to transmit an intelligent scheduling request to the LTE base station, where the intelligent scheduling request includes the resource occupation information of the NR terminal, so that the LTE base station adjusts resource configuration of the LTE base station according to the intelligent scheduling request, so that the adjusted resource configuration avoids resources occupied by the NR terminal.
In some embodiments, the communication control apparatus 300 further includes a location determination module 3300 configured to determine a location of the NR terminal according to the reporting event of the NR terminal and the neighbor relation.
In some embodiments, the resource occupancy information includes an uplink PRB index number, a downlink PRB index number, and scheduling timing information.
In some embodiments, the sending module 3200 sends the intelligent scheduling request to the LTE base station over the NG interface.
In some embodiments, the communication control apparatus 300 further includes a receiving module 3400 configured to receive an adjustment result of the resource configuration sent by the LTE base station.
In some embodiments, the sending module 3200 is further configured to send an adaptive adjustment request to the LTE base station through the NG interface, where the adaptive adjustment request includes an intelligent scheduling request, and the receiving module 3400 is further configured to receive an adaptive adjustment response sent by the LTE base station through the NG interface, where the adaptive adjustment response includes an adjustment result of the LTE base station on the resource configuration.
An embodiment of the communication control system of the present invention is described below with reference to fig. 4.
Fig. 4 illustrates a schematic diagram of a communication control system according to some embodiments of the invention. As shown in fig. 4, the communication control system 40 of this embodiment includes a DSS base station 410, where the DSS base station includes any one of the foregoing communication control apparatuses 300, and an LTE base station 420 configured to adjust, according to resource occupation information of an NR terminal in an intelligent scheduling request sent by the DSS base station 410, resource configuration of the LTE base station 420, so that the adjusted resource configuration avoids resources occupied by the NR terminal.
In some embodiments, DSS base station 410 and LTE base station 420 are hybrid networking.
Fig. 5 is a schematic diagram showing the structure of a communication control apparatus according to other embodiments of the present invention. As shown in fig. 5, the communication control device 50 of this embodiment includes a memory 510 and a processor 520 coupled to the memory 510, the processor 520 being configured to execute the communication control method of any of the foregoing embodiments based on instructions stored in the memory 510.
The memory 510 may include, for example, system memory, fixed nonvolatile storage media, and the like. The system memory stores, for example, an operating system, application programs, boot Loader (Boot Loader), and other programs.
Fig. 6 shows a schematic structural diagram of a communication control apparatus according to still other embodiments of the present invention. As shown in fig. 6, the communication control device 60 of this embodiment includes a memory 610 and a processor 620, and may further include an input/output interface 630, a network interface 640, a storage interface 650, and the like. These interfaces 630,640,650 and the memory 610 and processor 620 may be connected by, for example, a bus 660. The input/output interface 630 provides a connection interface for input/output devices such as a display, a mouse, a keyboard, and a touch screen. Network interface 640 provides a connection interface for various networking devices. The storage interface 650 provides a connection interface for external storage devices such as SD cards, U-discs, and the like.
An embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program, characterized in that the program, when executed by a processor, implements any one of the foregoing communication control methods.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flowchart and/or block of the flowchart illustrations and/or block diagrams, and combinations of flowcharts and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
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| CN109548148A (en) * | 2017-09-21 | 2019-03-29 | 中国电信股份有限公司 | Base station resource concocting method, base station and the group network system for supporting and not supporting eMTC |
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| GB2546316B (en) * | 2016-01-15 | 2018-10-24 | Samsung Electronics Co Ltd | Improvements in and relating to interference management |
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