CN111954234A - Adaptive resource allocation method, base station and storage medium - Google Patents
Adaptive resource allocation method, base station and storage medium Download PDFInfo
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- CN111954234A CN111954234A CN201910415034.XA CN201910415034A CN111954234A CN 111954234 A CN111954234 A CN 111954234A CN 201910415034 A CN201910415034 A CN 201910415034A CN 111954234 A CN111954234 A CN 111954234A
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- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
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Abstract
The invention discloses a self-adaptive resource allocation method, a base station and a storage medium. The method comprises the following steps: the method comprises the following steps that a server issues one of a plurality of groups of prestored configuration parameters as current configuration parameters to a terminal connected with the server through a gateway, wherein the configuration parameters comprise gateway capacity, and the gateway capacity of each group of configuration parameters is different; the server detects the number of the terminals under each gateway at regular time according to a preset time interval; if the number of the terminals under one gateway meets a first condition or a second condition, the server selects one group with proper gateway capacity from the rest groups of configuration parameters as a new configuration parameter and sends the new configuration parameter to all the terminals; and all the terminals receive and transmit data according to the new configuration parameters. Therefore, when the number of the terminals under the gateway changes, all the terminals do not need to access the network again, and the configuration parameters can be switched in a self-adaptive manner, so that the better utilization rate of network resources is achieved.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method, a base station, and a storage medium for adaptive resource allocation.
Background
The LoRa is a long-distance and low-power consumption wireless communication technology suitable for the Internet of things, and equipment in the LoRa communication system mainly comprises a terminal, a gateway and a server. At present, the main chip supporting the LoRa adopts a half-duplex mode, that is, neither the gateway nor the terminal can perform the sending and receiving operations at the same time.
At present, for the occasions where the data volume transmitted by lora is large or the requirement on real-time performance is high, a TDMA/FDMA mode is mainly adopted, that is, lora network resources are cut in a time slice and channel mode and configured to a terminal so that the terminal can transmit data on a preset time slice or channel, and therefore the throughput of a system is improved, and the collision probability of the data is reduced.
However, for the situation that the number of system terminals is unknown or the response requirements of the terminals are changed, if the system terminals are still issued to the terminals in a fixed configuration and system resources are not allocated in time or all the terminals are re-accessed to the network once, the communication efficiency of the whole system is greatly reduced, the throughput is reduced, and the data collision probability is increased.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for allocating adaptive resources, which can adaptively switch network configuration parameters without requiring all terminals to access the network again when the load is changed greatly, so as to achieve better utilization rate of network resources.
Another object of the present invention is to provide a base station.
A further object of the present invention is to provide a computer-readable storage medium.
In order to solve the above technical problem, the present invention provides a method for allocating adaptive resources, where the method includes:
the method comprises the following steps that a server issues one of a plurality of groups of prestored configuration parameters as current configuration parameters to a terminal connected with the server through a gateway, wherein the configuration parameters comprise gateway capacity, and the gateway capacity of each group of configuration parameters is different;
the server detects the number of the terminals under each gateway at regular time according to a preset time interval;
if the number of the terminals under one gateway meets a first condition or a second condition, the server selects one group with proper gateway capacity from the rest groups of configuration parameters as a new configuration parameter and sends the new configuration parameter to all the terminals;
and all the terminals receive and transmit data according to the new configuration parameters.
In the adaptive resource allocation method provided by the present invention, the first condition is that a% of the gateway capacity of the current configuration parameter is greater than or equal to a, where a is a positive real number.
In the adaptive resource allocation method provided by the present invention, the second condition is that b% of the gateway capacity of the current configuration parameter is equal to or less than b% and a% of the gateway capacity of the old configuration parameter is equal to or less than a%, where b is a positive real number less than a.
In the adaptive resource allocation method provided by the present invention, the number of terminals under each gateway is less than or equal to a% of the gateway capacity of the new configuration parameter and is greater than or equal to b% of the gateway capacity of the new configuration parameter and is greater than or equal to a% of the gateway capacity of the current configuration parameter.
In the adaptive resource allocation method provided by the present invention, the configuration parameters further include: a gateway downlink channel; the length of the downlink time slice; the duration of the large period; the duration of the small period; length of uplink time slice; the duration of the retention in the small period; the terminal's own time slice sequence number and channel sequence number.
In the adaptive resource allocation method provided by the present invention, the step of the server selecting a group with appropriate gateway capacity from the remaining plurality of groups of configuration parameters as a new configuration parameter to send to all the terminals includes:
step S1, the server sends the new configuration parameter to the terminal in the small period descending time slot;
step S2, the terminal receives the new configuration parameters and stores the parameters;
step S3, the server determines whether the new configuration parameters have been issued to all the terminals;
step S4, if yes, the server issues a command that the new configuration parameters start to take effect in a broadcast synchronization time slot;
in step S5, if not, the process returns to step S1.
In the adaptive resource allocation method provided by the invention, the server divides the communication resource into a plurality of large periods in time according to the configuration parameters, each large period comprises a plurality of small periods, each small period is divided into a downlink time slot and a plurality of uplink time slots, and the broadcast synchronization time slot is the downlink time slot of the last small period in the large period.
In the adaptive resource allocation method provided by the invention, when the terminal fails to receive a command that the new configuration parameters start to take effect, which is issued by the server during the broadcast synchronization, the terminal actively queries the server, and the server feeds the new configuration parameters back to the terminal.
In order to solve the above technical problem, the present invention further provides a base station, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the steps of the method when executing the computer program.
To solve the above technical problem, the present invention further provides a computer-readable storage medium having a computer program stored thereon, which when executed by a processor implements the steps of the above method.
The self-adaptive resource allocation method provided by the invention can achieve the following beneficial effects: the method comprises the following steps: the method comprises the following steps that a server issues one of a plurality of groups of prestored configuration parameters as current configuration parameters to a terminal connected with the server through a gateway, wherein the configuration parameters comprise gateway capacity, and the gateway capacity of each group of configuration parameters is different; the server detects the number of the terminals under each gateway at regular time according to a preset time interval; if the number of the terminals under one gateway meets a first condition or a second condition, the server selects one group with proper gateway capacity from the rest groups of configuration parameters as a new configuration parameter and sends the new configuration parameter to all the terminals; and all the terminals receive and transmit data according to the new configuration parameters. Therefore, when the number of the terminals under the gateway changes, all the terminals do not need to access the network again, and the configuration parameters can be switched in a self-adaptive manner, so that the better utilization rate of network resources is achieved.
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FIG. 1 is a flow chart of a method according to an embodiment of the present invention;
fig. 2 is a flowchart of a step "the server selects one of the remaining multiple sets of configuration parameters with a suitable gateway capacity as a new configuration parameter and issues the new configuration parameter to all the terminals" in the method according to the first embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The adaptive resource allocation method provided by the embodiment comprises the following steps:
the method comprises the following steps that a server issues one of a plurality of groups of prestored configuration parameters as current configuration parameters to a terminal connected with the server through a gateway, wherein the configuration parameters comprise gateway capacity, and the gateway capacity of each group of configuration parameters is different;
the server detects the number of the terminals under each gateway at regular time according to a preset time interval;
if the number of the terminals under one gateway meets a first condition or a second condition, the server selects one group with proper gateway capacity from the rest groups of configuration parameters as a new configuration parameter and sends the new configuration parameter to all the terminals;
and all the terminals receive and transmit data according to the new configuration parameters.
By using the method, when the number of the terminals under the gateway changes, all the terminals do not need to access the network again, and the configuration parameters can be switched in a self-adaptive manner, so that the better utilization rate of network resources is achieved.
In this embodiment, the first condition is greater than or equal to a% of the gateway capacity of the current configuration parameter, where a is a positive real number. Specifically, the value of a may be 80, that is, when the number of terminals under one gateway is greater than or equal to 80% of the gateway capacity of the current configuration parameter, the server may select one group with a suitable gateway capacity from the remaining multiple groups of configuration parameters as a new configuration parameter and send the new configuration parameter to all the terminals. Of course, in other embodiments, the value of a may be 70, 75, 85, 90, etc., and those skilled in the art may select and adjust the value according to design requirements.
In this embodiment, the second condition is that the second condition is less than or equal to b% of the gateway capacity of the current configuration parameter and less than or equal to a% of the gateway capacity of the old configuration parameter, where b is a positive real number less than a. Specifically, the value of b may be 50, that is, when the number of terminals under one gateway is less than or equal to 50% of the gateway capacity of the current configuration parameter and less than or equal to 80% of the gateway capacity of the old configuration parameter, the server may also select one of the remaining sets of configuration parameters with an appropriate gateway capacity as a new configuration parameter and issue the new configuration parameter to all the terminals. Of course, in other embodiments, the value of b may be 40, 45, 55, 60, etc., and those skilled in the art may select and adjust the value according to design requirements.
In this embodiment, the number of terminals under each gateway is less than or equal to a% of the gateway capacity of the new configuration parameter and is greater than or equal to b% of the gateway capacity of the new configuration parameter and is greater than or equal to a% of the gateway capacity of the current configuration parameter. Specifically, if a takes a value of 80 and b takes a value of 50, the number of terminals under each gateway is less than or equal to 80% of the gateway capacity of the new configuration parameter and is greater than or equal to 50% of the gateway capacity of the new configuration parameter and is greater than or equal to 80% of the gateway capacity of the current configuration parameter.
In this embodiment, the configuration parameters further include: a gateway downlink channel; the length of the downlink time slice; the duration of the large period; the duration of the small period; length of uplink time slice; the duration of the retention in the small period; the terminal's own time slice sequence number and channel sequence number.
In this embodiment, the step of the server selecting one of the remaining multiple sets of configuration parameters with appropriate gateway capacity as a new configuration parameter to send to all the terminals includes:
step S1, the server sends the new configuration parameter to the terminal in the small period descending time slot;
step S2, the terminal receives the new configuration parameters and stores the parameters;
step S3, the server determines whether the new configuration parameters have been issued to all the terminals;
step S4, if yes, the server issues a command that the new configuration parameters start to take effect in a broadcast synchronization time slot;
in step S5, if not, the process returns to step S1.
In step S2, after receiving the new configuration parameter, the terminal still performs data transceiving according to the current configuration parameter.
In the step S4, the broadcast synchronization time slot mentioned above is explained as follows: the server divides the communication resource into a plurality of large periods in time according to the configuration parameters, such as one large period of 5 minutes; each of the large periods includes a plurality of small periods, for example, one small period every 6 seconds, that is, 50 small periods are provided in each large period, each of the small periods is divided into a downlink time slot (that is, a small period downlink time slot, ack or parameter configuration or application command for each terminal in a server downlink direction, and the like) and a plurality of uplink time slots (that is, the terminal uses uplink data of the time slot to send to the server), and the broadcast synchronization time slot is the last downlink time slot of the small period in the large period, and may be used for server downlink synchronization information to all the terminals.
In this embodiment, when the terminal fails to receive the command that the new configuration parameter starts to take effect, which is issued by the server during the broadcast synchronization, the terminal actively queries the server, and the server feeds back the new configuration parameter to the terminal.
In summary, the following beneficial effects can be achieved by implementing the adaptive resource allocation method provided in this embodiment: the method comprises the following steps: the method comprises the following steps that a server issues one of a plurality of groups of prestored configuration parameters as current configuration parameters to a terminal connected with the server through a gateway, wherein the configuration parameters comprise gateway capacity, and the gateway capacity of each group of configuration parameters is different; the server detects the number of the terminals under each gateway at regular time according to a preset time interval; if the number of the terminals under one gateway meets a first condition or a second condition, the server selects one group with proper gateway capacity from the rest groups of configuration parameters as a new configuration parameter and sends the new configuration parameter to all the terminals; and all the terminals receive and transmit data according to the new configuration parameters. Therefore, when the number of the terminals under the gateway changes, all the terminals do not need to access the network again, and the configuration parameters can be switched in a self-adaptive manner, so that the better utilization rate of network resources is achieved.
Example two
The present embodiment provides a base station, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the steps of the method provided in the first embodiment when executing the computer program.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
EXAMPLE III
The present embodiments provide a computer-readable storage medium having stored thereon a computer program, which when executed by a processor, performs the steps of the method provided in the first embodiment.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An adaptive resource allocation method, the method comprising:
the method comprises the following steps that a server issues one of a plurality of groups of prestored configuration parameters as current configuration parameters to a terminal connected with the server through a gateway, wherein the configuration parameters comprise gateway capacity, and the gateway capacity of each group of configuration parameters is different;
the server detects the number of the terminals under each gateway at regular time according to a preset time interval;
if the number of the terminals under one gateway meets a first condition or a second condition, the server selects one group with proper gateway capacity from the rest groups of configuration parameters as a new configuration parameter and sends the new configuration parameter to all the terminals;
and all the terminals receive and transmit data according to the new configuration parameters.
2. The adaptive resource allocation method according to claim 1, wherein the first condition is a% or more of a gateway capacity of the current configuration parameter, where a is a positive real number.
3. The adaptive resource allocation method according to claim 2, wherein the second condition is less than or equal to b% of gateway capacity of the current configuration parameter and less than or equal to a% of gateway capacity of the old configuration parameter, where b is a positive real number less than a.
4. The adaptive resource allocation method according to claim 3, wherein the number of terminals under each gateway is less than or equal to a% of the gateway capacity of the new configuration parameter and greater than or equal to b% of the gateway capacity of the new configuration parameter and greater than or equal to a% of the gateway capacity of the current configuration parameter.
5. The adaptive resource allocation method according to claim 1, wherein the configuration parameters further comprise: a gateway downlink channel; the length of the downlink time slice; the duration of the large period; the duration of the small period; length of uplink time slice; the duration of the retention in the small period; the terminal's own time slice sequence number and channel sequence number.
6. The adaptive resource allocation method according to claim 5, wherein said step of said server selecting one of the remaining plurality of sets of configuration parameters with a suitable gateway capacity as a new configuration parameter to send to all of said terminals comprises:
step S1, the server sends the new configuration parameter to the terminal in the small period descending time slot;
step S2, the terminal receives the new configuration parameters and stores the parameters;
step S3, the server determines whether the new configuration parameters have been issued to all the terminals;
step S4, if yes, the server issues a command that the new configuration parameters start to take effect in a broadcast synchronization time slot;
in step S5, if not, the process returns to step S1.
7. The adaptive resource allocation method according to claim 6, wherein the server time-divides the communication resource into a plurality of large periods according to the configuration parameters, each large period includes a plurality of small periods, each small period is divided into a downlink timeslot and a plurality of uplink timeslots, and the broadcast synchronization timeslot is a downlink timeslot of a last small period in the large period.
8. The adaptive resource allocation method according to claim 6, wherein when the terminal fails to receive a command that the server starts to take effect, which is issued during the broadcast synchronization, the terminal actively queries the server, and the server feeds back the new configuration parameters to the terminal.
9. A base station comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 8.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 8.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112819405A (en) * | 2021-01-22 | 2021-05-18 | 无锡极兔供应链管理有限公司 | Intelligent logistics information management method and system based on cloud server |
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