CN111556567B - Resource pool configuration method and device and computer readable storage medium - Google Patents
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Abstract
The embodiment of the invention provides a resource pool configuration method, a resource pool configuration device and a computer readable storage medium, wherein the method comprises the following steps: counting the data volume of the secondary link transmitted by the user in a preset time; reporting the data volume of the secondary link based on the configuration issued by the network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool within the preset time and configure the resource pool.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method and an apparatus for configuring a resource pool, and a computer-readable storage medium.
Background
In LTE-V, only two types of measurement result reporting are currently supported: channel Busy Rate (CBR) and Sensing. Currently, LTE-V only supports CBR reporting by connected (connected) UEs. In fact, CBR measurements are performed regardless of whether a connected UE or an idle (idle) UE.
The CBR and sending results can only approximately reflect the channel occupation, and cannot accurately reflect the resource utilization efficiency.
The CBR measurement result has a close relationship with UE distribution and the like. When the UE in the zone range of the resource pool is close to each other, the S-RSSI measured by the UE is higher; when the UEs are more dispersed, the S-RSSI measured by the UEs will be lower. For both cases, the CBR measurements may be distinct, but the resource usage may be completely consistent. Therefore, resource utilization is not well reflected by CBR measurements.
The Sensing result is also related to the UE distribution. When the UEs are closer, the measured RSRP will be larger; and when the UE is scattered, the measured RSRP is greatly reduced. Therefore, the sending results can not reflect the resource usage well.
Therefore, according to the CBR and sending measurement results in the related art, the resource utilization efficiency of the sidelink (sidelink) cannot be accurately reflected, and thus the network cannot be well assisted to optimize the sidelink resource pool (resource pool) configuration.
Disclosure of Invention
In view of this, embodiments of the present invention are intended to provide a method, an apparatus, and a computer-readable storage medium for configuring a resource pool.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a resource pool configuration method, which is applied to a terminal side and comprises the following steps:
counting the data volume of the secondary link transmitted by the user in a preset time;
reporting the data volume of the secondary link based on the configuration issued by the network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool in the preset time and configure the resource pool.
The counting of the sidelink data quantity sent within the preset time includes any one or any combination of the following conditions:
counting the data volume of the secondary link sent in preset time aiming at each resource pool and/or each service quality grade identification QCI;
counting the quantity of sidelink data sent in preset time aiming at each resource pool and/or each adjacent service data packet priority PPPP;
and counting the quantity of the secondary link data transmitted in a preset time aiming at each resource pool and/or each adjacent service data packet reliability PPPR.
Wherein, the content of the statistics of the data volume of the secondary link comprises any one or any combination of the following:
the bit number of SDU (packet data convergence protocol) PDCP service data unit, or the bit number of PDU (packet data convergence protocol), or the bit number of RLC SDU, or the bit number of RLC PDU, or the bit number of MAC SDU, or the bit number of MAC PDU, or the bit number of transmission block.
Wherein the reporting the data volume of the secondary link includes:
and reporting the data volume of the secondary link through a radio resource control protocol (RRC) signaling, or reporting the data volume of the secondary link through an application layer or a vehicle networking V2X layer.
Wherein the reporting of the sidelink data volume through the RRC signaling includes:
when the terminal is in a connected state, reporting the data volume of the secondary link through an RRC reconfiguration completion message or a measurement result; or,
when the terminal is in an idle state or an inactive state, the terminal side is indicated to have the secondary link data volume to be reported through the uplink UL message, and the corresponding secondary link data volume is reported after the downlink message indication of the network side is received.
Wherein the reporting of the sidelink data volume through the application layer or the V2X layer includes:
and reporting the data volume of the secondary link to an operator control node through an application layer or a V2X layer.
When reporting the data volume of the secondary link, the method further includes reporting one or any combination of the following information:
the method comprises the steps of resource pool identification, a GNSS (global navigation satellite system) position of a terminal, zone identification of a region where the terminal is located, a timestamp, a time period, cell identification, base station identification, sending parameters, a CBR (channel busy ratio) measuring result, a CBR grade and a CBR range.
Wherein, the configuration issued by the network side is one or any combination of the following:
the network side configures the reporting period, the reporting interval and the reporting starting time of the data volume of the secondary link through RRC signaling.
The embodiment of the invention also provides a resource pool configuration method, which is applied to a network side and comprises the following steps:
receiving a sidelink data volume; the data volume of the secondary link is as follows: the method comprises the steps that a resource pool of a cell counts the amount of sidelink data sent by a terminal in a preset time;
determining the resource utilization condition of the resource pool within the preset time based on the data volume of the secondary link;
and configuring the resource pool based on the resource utilization condition and a first threshold value.
Optionally, before receiving the amount of sidelink data, the method further includes:
configuring one or any combination of a reporting period, a reporting interval and a reporting starting time of the data volume of the secondary link through RRC signaling.
Optionally, the method further includes:
and obtaining a CBR measurement result of the terminal in the preset time, and configuring the resource pool based on the CBR measurement result and the resource utilization condition.
Wherein the configuring the resource pool based on the CBR measurement and the resource utilization comprises:
and when the number of the terminals of which the CBR exceeds the preset threshold in the preset time is determined to be larger than the second threshold and the resource utilization condition is determined to be larger than the first threshold, increasing the time-frequency resources of the resource pool.
The embodiment of the present invention further provides a device for configuring a resource pool, where the device is applied to a terminal side, and the device includes:
the statistical module is used for counting the data volume of the secondary link sent within the preset time;
a reporting module, configured to report the data volume of the secondary link based on a configuration issued by a network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool in the preset time and configure the resource pool.
The embodiment of the present invention further provides a device for configuring a resource pool, where the device is applied to a network side, and includes:
the receiving module is used for receiving the data volume of the secondary link; the data volume of the secondary link is as follows: the method comprises the steps that a resource pool of a cell counts the amount of sidelink data sent by a terminal in a preset time;
a determining module, configured to determine, based on the amount of the secondary link data, a resource utilization condition of the resource pool within the preset time;
and the configuration module is used for configuring the resource pool based on the resource utilization condition and the first threshold value.
The embodiment of the invention also provides a device for configuring the resource pool, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform the steps of the above method when running the computer program.
Embodiments of the present invention also provide a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the above-mentioned method.
The resource pool configuration method, the resource pool configuration device and the computer-readable storage medium provided by the embodiment of the invention are used for counting the data volume of the sidelink sent within the preset time; reporting the data volume of the secondary link based on the configuration issued by the network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool within the preset time and configure the resource pool. Compared with the traditional CBR and sending measurement results, the network can more clearly acquire the resource utilization efficiency according to the sidelink data quantity reported by the terminal side, and further reasonably optimize the resource pool configuration.
Drawings
Fig. 1 is a first flowchart illustrating a resource pool configuration method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a resource pool configuration method according to an embodiment of the present invention;
fig. 3 is a first schematic structural diagram of a configuration apparatus of a resource pool according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a configuration apparatus of a resource pool according to an embodiment of the present invention.
Detailed Description
The invention is described below with reference to the figures and examples.
An embodiment of the present invention provides a method for configuring a resource pool, as shown in fig. 1, where the method is applied to a terminal side, and includes:
step 101: counting the data volume of the secondary link transmitted by the user in a preset time;
step 102: reporting the data volume of the secondary link based on the configuration issued by the network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool within the preset time and configure the resource pool.
Compared with the traditional CBR and sending measurement results, the network can more clearly acquire the resource utilization efficiency according to the sidelink data quantity reported by the terminal side, and further reasonably optimize the resource pool configuration.
In this embodiment of the present invention, the counting of the sidelink data amount sent by the self within the preset time includes any one or any combination of the following conditions:
counting the data volume of the secondary link sent in preset time aiming at each resource pool and/or each service quality grade identification QCI;
counting the quantity of the sidelink data transmitted in a preset time aiming at each resource pool and/or each adjacent service data packet priority (PPPP);
statistics of the amount of sidelink data transmitted within a preset time are made for each resource pool, and/or each adjacent traffic packet reliability (PPPR).
In this embodiment of the present invention, the content of the statistics of the data volume of the secondary link includes any one or any combination of the following:
a Packet Data Convergence Protocol (PDCP) Service Data Unit (SDU) bit number, or a PDCP Protocol Data Unit (PDU) bit number, or a radio link layer control protocol RLC SDU bit number, or an RLC PDU bit number, or a multiple access control protocol MAC SDU bit number, or a MAC PDU bit number, or a transport block bit number.
In this embodiment of the present invention, the reporting the data size of the secondary link includes:
and reporting the data volume of the secondary link through a radio resource control protocol (RRC) signaling, or reporting the data volume of the secondary link through an application layer or a vehicle networking V2X layer.
In the embodiment of the present invention, the reporting the data volume of the secondary link through the RRC signaling includes:
when the terminal is in a connected state, reporting the data volume of the secondary link through RRC reconfiguration completion messages or measurement results; or,
when the terminal is in an idle state or an inactive state, the terminal side is indicated to have the sub-link data volume to be reported through the uplink UL message, and the corresponding sub-link data volume is reported after the downlink message indication of the network side is received.
In this embodiment, the reporting the data amount of the sidelink through the application layer or the V2X layer includes:
and reporting the data volume of the secondary link to an operator control node through an application layer or a V2X layer.
In the embodiment of the present invention, when reporting the data amount of the sidelink, the method further includes reporting one or any combination of the following information:
the method comprises the steps of resource pool identification, a GNSS position of a terminal global navigation satellite system, zone identification of a terminal, a timestamp, a time period, cell identification, base station identification, a sending parameter, a CBR measuring result of a channel busy rate, a CBR grade and a CBR range.
In this embodiment of the present invention, the configuration issued by the network side is one or any combination of the following:
and the network side configures the reporting period, the reporting interval and the reporting starting time of the data volume of the secondary link through RRC signaling.
An embodiment of the present invention further provides a method for configuring a resource pool, as shown in fig. 2, where the method is applied to a network side, and includes:
step 201: receiving a sidelink data volume; the data volume of the secondary link is as follows: a resource pool of a cell counts the amount of sidelink data sent by the terminal in a preset time;
step 202: determining the resource utilization condition of the resource pool in the preset time based on the data volume of the secondary link;
step 203: and configuring the resource pool based on the resource utilization condition and a first threshold value.
In one embodiment, before receiving the amount of sidelink data, the method further comprises:
configuring one or any combination of a reporting period, a reporting interval and a reporting starting time of the data volume of the secondary link through RRC signaling.
In one embodiment, the method further comprises:
and obtaining a CBR measurement result of the terminal in the preset time, and configuring the resource pool based on the CBR measurement result and the resource utilization condition.
In this embodiment of the present invention, the configuring the resource pool based on the CBR measurement result and the resource utilization condition includes:
determining that the number of terminals of which the CBR exceeds a preset threshold in the preset time is greater than a second threshold and the resource utilization condition is greater than a first threshold, and increasing the time-frequency resources of the resource pool;
and if the resource utilization condition is larger than a first threshold value or the number of the terminals of which the CBR exceeds a preset threshold is larger than a second threshold value, the resource of the resource pool is not required to be optimized.
An embodiment of the present invention further provides a device for configuring a resource pool, as shown in fig. 3, where the device is applied to a terminal side, and includes:
the statistical module 301 is configured to count the amount of sidelink data transmitted within a preset time;
a reporting module 302, configured to report the data size of the sidelink based on a configuration issued by a network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool in the preset time and configure the resource pool.
In this embodiment of the present invention, the statistics module 301 performs statistics on the amount of sidelink data sent within a preset time, including any one or any combination of the following conditions:
counting the data volume of the secondary link sent in preset time aiming at each resource pool and/or each service quality grade identification QCI;
counting the quantity of sidelink data sent in preset time aiming at each resource pool and/or each adjacent service data packet priority PPPP;
statistics of the amount of sidelink data transmitted within a preset time are made for each resource pool, and/or each PPPR.
In this embodiment of the present invention, the content of the statistics of the data amount of the secondary link by the statistics module 301 includes any one or any combination of the following:
the bit number of SDU (packet data convergence protocol) PDCP service data unit, or the bit number of PDU (packet data convergence protocol), or the bit number of RLC SDU, or the bit number of RLC PDU, or the bit number of MAC SDU, or the bit number of MAC PDU, or the bit number of transmission block.
In this embodiment of the present invention, the reporting module 302 reports the data amount of the secondary link, including:
and reporting the data volume of the secondary link through a Radio Resource Control (RRC) signaling, or reporting the data volume of the secondary link through an application layer or a vehicle networking (V2X) layer.
In this embodiment of the present invention, the reporting module 302 reports the data amount of the secondary link through an RRC signaling, including:
when the terminal is in a connected state, reporting the data volume of the secondary link through RRC reconfiguration completion messages or measurement results; or,
when the terminal is in an idle state or an inactive state, the terminal side is indicated to have the sub-link data volume to be reported through the uplink UL message, and the corresponding sub-link data volume is reported after the downlink message indication of the network side is received.
In this embodiment of the present invention, the reporting module 302 reports the data amount of the secondary link through an application layer or a V2X layer, including:
and reporting the data volume of the secondary link to an operator control node through an application layer or a V2X layer.
In this embodiment of the present invention, when the reporting module 302 reports the data amount of the secondary link, the reporting module is further configured to report one or any combination of the following information:
the method comprises the steps of resource pool identification, a GNSS position of a terminal global navigation satellite system, zone identification of a terminal, a timestamp, a time period, cell identification, base station identification, a sending parameter, a CBR measuring result of a channel busy rate, a CBR grade and a CBR range.
In this embodiment of the present invention, the configuration issued by the network side is one or any combination of the following:
and the network side configures the reporting period, the reporting interval and the reporting starting time of the data volume of the secondary link through RRC signaling.
An embodiment of the present invention further provides a device for configuring a resource pool, as shown in fig. 4, where the device is applied to a network side, and includes:
a receiving module 401, configured to receive a data amount of a secondary link; the data volume of the secondary link is as follows: the method comprises the steps that a resource pool of a cell counts the amount of sidelink data sent by a terminal in a preset time;
a determining module 402, configured to determine, based on the amount of sidelink data, a resource utilization of the resource pool within the preset time;
a configuring module 403, configured to configure the resource pool based on the resource utilization and the first threshold value.
In an embodiment, before the receiving module 401 receives the sidelink data volume, it is further configured to configure one or any combination of a reporting period, a reporting interval, and a starting time of reporting the sidelink data volume through RRC signaling.
In an embodiment, the receiving module 401 is further configured to obtain a CBR measurement result of the terminal within the preset time, and accordingly,
the configuring module 403 is further configured to configure the resource pool based on the CBR measurement result and the resource utilization condition.
In this embodiment of the present invention, the configuring module 403 configures the resource pool based on the CBR measurement result and the resource utilization condition, including:
determining that the number of terminals of which the CBR exceeds a preset threshold in the preset time is greater than a second threshold and the resource utilization condition is greater than a first threshold, and increasing time-frequency resources of the resource pool;
and if the resource utilization condition is larger than a first threshold value or the number of the terminals of which the CBR exceeds a preset threshold is larger than a second threshold value, the resource of the resource pool is not required to be optimized.
The embodiment of the invention also provides a device for configuring the resource pool, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to execute, when running the computer program:
counting the quantity of the sidelink data transmitted within a preset time;
reporting the data volume of the secondary link based on the configuration issued by the network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool in the preset time and configure the resource pool.
When the statistics of the data volume of the sidelink sent by the processor in the preset time is performed, the processor is further configured to execute, when the computer program is run, the following steps:
counting the quantity of the sidelink data transmitted in the preset time aiming at each resource pool and/or each service quality grade identifier QCI;
counting the quantity of sidelink data sent in preset time aiming at each resource pool and/or each adjacent service data packet priority PPPP;
statistics of the amount of sidelink data transmitted within a preset time are made for each resource pool, and/or each PPPR.
Wherein, the content of the statistics of the data volume of the secondary link comprises any one or any combination of the following:
the bit number of SDU (packet data convergence protocol) PDCP service data unit, or the bit number of PDU (packet data convergence protocol), or the bit number of RLC SDU, or the bit number of RLC PDU, or the bit number of MAC SDU, or the bit number of MAC PDU, or the bit number of transmission block.
When the data volume of the sidelink is reported, the processor is further configured to execute, when the computer program is run:
and reporting the data volume of the secondary link through a radio resource control protocol (RRC) signaling, or reporting the data volume of the secondary link through an application layer or a vehicle networking V2X layer.
When the data volume of the secondary link is reported through the RRC signaling, the processor is further configured to execute, when the computer program is run:
when the terminal is in a connected state, reporting the data volume of the secondary link through RRC reconfiguration completion messages or measurement results; or,
when the terminal is in an idle state or an inactive state, the terminal side is indicated to have the sub-link data volume to be reported through the uplink UL message, and the corresponding sub-link data volume is reported after the downlink message indication of the network side is received.
When the data volume of the secondary link is reported through the application layer or the V2X layer, the processor is further configured to execute, when the computer program is run:
and reporting the data volume of the secondary link to an operator control node through an application layer or a V2X layer.
When the data volume of the sidelink is reported, the processor is further configured to execute, when the computer program is run:
reporting one or any combination of the following information:
the method comprises the steps of resource pool identification, a GNSS position of a terminal global navigation satellite system, zone identification of a terminal, a timestamp, a time period, cell identification, base station identification, a sending parameter, a CBR measuring result of a channel busy rate, a CBR grade and a CBR range.
Wherein, the configuration issued by the network side is one or any combination of the following:
and the network side configures the reporting period, the reporting interval and the reporting starting time of the data volume of the secondary link through RRC signaling.
The embodiment of the invention also provides a device for configuring the resource pool, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to execute, when running the computer program:
receiving a sidelink data volume; the data volume of the secondary link is as follows: the method comprises the steps that a resource pool of a cell counts the amount of sidelink data sent by a terminal in a preset time;
determining the resource utilization condition of the resource pool in the preset time based on the data volume of the secondary link;
and configuring the resource pool based on the resource utilization condition and a first threshold value.
Before the receiving the amount of sidelink data, the processor is further configured to execute, when running the computer program:
configuring one or any combination of a reporting period, a reporting interval and a reporting starting time of the data volume of the secondary link through RRC signaling.
The processor is further configured to, when executing the computer program, perform:
and obtaining a CBR measurement result of the terminal in the preset time, and configuring the resource pool based on the CBR measurement result and the resource utilization condition.
When the resource pool is configured based on the CBR measurement result and the resource utilization condition, the processor is further configured to, when running the computer program, perform:
determining that the number of terminals of which the CBR exceeds a preset threshold in the preset time is greater than a second threshold and the resource utilization condition is greater than a first threshold, and increasing time-frequency resources of the resource pool;
and if the resource utilization condition is larger than a first threshold value or the number of the terminals of which the CBR exceeds a preset threshold is larger than a second threshold value, the resource of the resource pool is not required to be optimized.
It should be noted that: the apparatus provided in the foregoing embodiment is only illustrated by dividing the program modules when configuring the resource pool, and in practical applications, the processing allocation may be completed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules, so as to complete all or part of the processing described above. In addition, the apparatus provided in the above embodiments and the corresponding method embodiments belong to the same concept, and the specific implementation process thereof is described in the method embodiments, which is not described herein again.
In an exemplary embodiment, the embodiment of the present invention also provides a computer-readable storage medium, which may be a Memory such as FRAM, ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disc, or CD-ROM; or may be a variety of devices including one or any combination of the above memories, such as a mobile phone, computer, tablet device, personal digital assistant, etc.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, performs:
counting the data volume of the secondary link transmitted by the user in a preset time;
reporting the data volume of the secondary link based on the configuration issued by the network side; and the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool within the preset time and configure the resource pool.
When the statistics of the data volume of the secondary link sent by the computer per se in the preset time is carried out, the computer program further executes, when executed by the processor:
counting the quantity of the sidelink data transmitted in the preset time aiming at each resource pool and/or each service quality grade identifier QCI;
counting the quantity of sidelink data sent in preset time aiming at each resource pool and/or each adjacent service data packet priority PPPP;
and counting the quantity of the secondary link data transmitted in a preset time aiming at each resource pool and/or each PPPR.
Wherein, the content of the statistics of the data amount of the secondary link comprises any one or any combination of the following:
the method comprises the following steps of determining the bit number of a packet data convergence protocol PDCP service data unit SDU, or the bit number of a PDCP protocol data unit PDU, or the bit number of a radio link layer control protocol RLC SDU, or the bit number of an RLC PDU, or the bit number of a multiple access control protocol MAC SDU, or the bit number of an MAC PDU, or the bit number of a transmission block.
When the reporting of the data volume of the secondary link is performed, the computer program further executes, when executed by the processor:
and reporting the data volume of the secondary link through a radio resource control protocol (RRC) signaling, or reporting the data volume of the secondary link through an application layer or a vehicle networking V2X layer.
When the data volume of the secondary link is reported through the RRC signaling, the computer program further executes, when being executed by the processor:
when the terminal is in a connected state, reporting the data volume of the secondary link through an RRC reconfiguration completion message or a measurement result; or,
when the terminal is in an idle state or an inactive state, the terminal side is indicated to have the sub-link data volume to be reported through the uplink UL message, and the corresponding sub-link data volume is reported after the downlink message indication of the network side is received.
When the data volume of the secondary link is reported through the application layer or the V2X layer, and the computer program is executed by the processor, the method further comprises the following steps:
and reporting the data volume of the secondary link to an operator control node through an application layer or a V2X layer.
When the reporting of the data volume of the secondary link is performed, the computer program further executes, when executed by the processor:
reporting one or any combination of the following information:
the method comprises the steps of resource pool identification, a GNSS position of a terminal global navigation satellite system, zone identification of a terminal, a timestamp, a time period, cell identification, base station identification, a sending parameter, a CBR measuring result of a channel busy rate, a CBR grade and a CBR range.
Wherein, the configuration issued by the network side is one or any combination of the following:
the network side configures the reporting period, the reporting interval and the reporting starting time of the data volume of the secondary link through RRC signaling.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, performs:
receiving a sidelink data volume; the data volume of the secondary link is as follows: the method comprises the steps that a resource pool of a cell counts the amount of sidelink data sent by a terminal in a preset time;
determining the resource utilization condition of the resource pool in the preset time based on the data volume of the secondary link;
and configuring the resource pool based on the resource utilization condition and a first threshold value.
Before the receiving the sidelink data amount, the computer program when executed by the processor further performs:
and configuring one or any combination of a reporting period, a reporting interval and the reporting starting time of the data volume of the secondary link through RRC signaling.
The computer program, when executed by the processor, further performs:
and obtaining a CBR measurement result of the terminal in the preset time, and configuring the resource pool based on the CBR measurement result and the resource utilization condition.
When the resource pool is configured based on the CBR measurement and the resource utilization, and the computer program is executed by a processor, the method further performs:
determining that the number of terminals of which the CBR exceeds a preset threshold in the preset time is greater than a second threshold and the resource utilization condition is greater than a first threshold, and increasing time-frequency resources of the resource pool;
and if the resource utilization condition is larger than a first threshold value or the number of the terminals of which the CBR exceeds a preset threshold is larger than a second threshold value, the resource of the resource pool is not required to be optimized.
The present invention is described below with reference to scene embodiments.
It is known that the purpose of the network to accurately grasp the resource utilization efficiency situation is to determine whether to optimize the resource pool (resource pool) configuration according to the data volume situation transmitted by the unit resource. If the CBR measurement/sending result is high but the amount of data transmitted per resource is small, the network does not need to optimize the resource pool configuration of the area, because the case of high CBR/sending result may be due to the UE distribution concentration, which is only a temporary case.
Based on this, the embodiment of the present invention provides a method for a network to know resource utilization efficiency, where: the UE reports the sidelink data volume sent by the UE at a certain time point or within a certain time range to the network, so that the network can know the overall situation of sending the sidelink data by all the UE at the time point or within the time range.
The sidelink data volume reporting method specifically comprises the following steps:
the method comprises the following steps: the network configures one or any combination of a reporting period, an interval and starting time of the sidelink data volume through RRC signaling;
here, for an idle/inactive (idle/inactive) UE, the RRC signaling may be a registered measurement configuration;
for a connected (connected) UE, the RRC signaling may be rrcreeconfiguration;
step two: UE measures the sent sidelink data volume;
here, the sildelink data volume is used to assist the network in optimizing the resource pool configuration.
The Sidelink data volume may be counted for each resource pool, and/or each QCI/(ProSe Per Packet Priority, PPPP)/PPPR.
The Sidelink data volume statistic can be any one or any combination of the following: PDCP SDU bit count, or PDCP PDU bit count, or RLC SDU bit count, or RLC PDU bit count, or MAC SDU bit count, or MAC PDU bit count, or transport block bit count.
Step three: and the UE reports the sidelink data volume.
Here, the UE may also report resource pool ID, location, timestamp, time period, cell ID, gNB ID, transmission parameters (such as transmit power, MCS, number of subframes, and retransmission times), CBR measurement result, CBR level, and CBR range, or any combination thereof.
Wherein the position may be a GNSS position of the UE, or a zone identity (zone id) where the UE is located;
the UE may report the sidelink data volume through an RRC signaling, or may report the sidelink data volume through an application layer or a vehicle to electronic (V2X) layer:
for reporting via RRC signaling:
1) The connected UE reports the message/measurement result through RRC reconfiguration;
2) The idle/inactive UE carries an indicator in the UL message, which is used to indicate that the UE has a logged sidelink data volume. And if the network needs, indicating the UE to report the corresponding logged sidelink data volume through a DL message.
For the case of reporting by application layer/V2X layer:
and reporting to an operator control node, such as a V2X control function (control function) entity, through an application layer/V2X layer.
An embodiment scheme of a corresponding optimized resource pool is provided based on the reporting process:
example one
In this embodiment, a resource pool (resource pool) is optimized by a sidelink data volume, and the steps are as follows:
the method comprises the following steps: a base station obtains the sidelink data volume condition reported by all UE in a time period P by resource pool X of a cell A, and simultaneously can also obtain the transmission parameters (MCS and retransmission times) of each UE;
step two: based on the sidelink data volume reported by all the UEs, the base station may calculate the total bit number transmitted through resource pool X in the time period P, and may further obtain the bit number transmitted on the unit resource, i.e. the resource utilization condition E;
step three: when the resource utilization condition E is larger than a specific empirical value (such as Y kbits/Hz), it means that the time-frequency resource of resource pool X needs to be increased; otherwise, it is not needed.
Example two
This embodiment optimizes resource pool based on sidelink data volume and CBR levels as follows:
the method comprises the following steps: a base station obtains the si-delink data volume condition reported by all UE in a time period P by resource pool X of a cell A, and simultaneously obtains the CBR measurement result of each UE in the time period;
step two: based on the sidelink data volume reported by all the UEs, the base station may calculate the total bit number transmitted through resource pool X in the time period P, and may further obtain the bit number transmitted on the unit resource, i.e. the resource utilization condition E;
here, the resource utilization represents transmission efficiency, and cannot represent interference between users. Therefore, the base station may also comprehensively consider the CBR distribution of all UEs in the time period P.
Step three: if more than 50% of users CBR (the number is greater than the second threshold) in the time period P exceed a specific threshold and the resource utilization E is greater than a specific empirical value (the first threshold, such as Y kbits/Hz), it means that some influence has been generated between UEs and the resources have been fully utilized, and therefore, the time-frequency resources of resource pool X need to be increased; on the contrary, if only the resource utilization condition E is greater than the specific empirical value, only the resource utilization condition is higher, but no interference exists between UEs, so optimization is not needed; only more than 50% of users CBR exceed a certain threshold, probably due to a more concentrated UE distribution, and therefore there is no need to optimize the resource pool resources.
Compared with the traditional CBR and sending measurement results, the network can more clearly acquire the resource utilization efficiency according to the sidelink data quantity reported by the terminal side, and further reasonably optimize the resource pool configuration.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (14)
1. A method for configuring a resource pool, the method being applied to a terminal side and comprising:
counting the quantity of the sidelink data transmitted within a preset time; the content of the sidelink data volume comprises any one or any combination of the following:
the method comprises the following steps that the bit number of a packet data convergence protocol PDCP service data unit SDU, or the bit number of a PDCP protocol data unit PDU, or the bit number of a radio link layer control protocol RLC SDU, or the bit number of an RLC PDU, or the bit number of a multi-access control protocol MAC SDU, or the bit number of an MAC PDU, or the bit number of a transmission block;
reporting the data volume of the secondary link based on the configuration issued by the network side; the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool in the preset time, and the network side is used for configuring the resource pool based on the CBR measurement result of the terminal in the preset time and the resource utilization condition.
2. The method according to claim 1, wherein the statistics of the amount of sidelink data transmitted by the user in a preset time includes any one or any combination of the following cases:
counting the data volume of the secondary link sent in preset time aiming at each resource pool and/or each service quality grade identification QCI;
counting the quantity of the sidelink data sent in a preset time aiming at each resource pool and/or each adjacent service data packet priority PPPP;
and counting the quantity of the secondary link data transmitted in a preset time aiming at each resource pool and/or each adjacent service data packet reliability PPPR.
3. The method of claim 1, wherein reporting the amount of sidelink data comprises:
and reporting the data volume of the secondary link through a radio resource control protocol (RRC) signaling, or reporting the data volume of the secondary link through an application layer or a vehicle networking V2X layer.
4. The method of claim 3, wherein reporting the secondary link data amount via RRC signaling comprises:
when the terminal is in a connected state, reporting the data volume of the secondary link through an RRC reconfiguration completion message or a measurement result; or,
when the terminal is in an idle state or an inactive state, the terminal side is indicated to have the sub-link data volume to be reported through the uplink UL message, and the corresponding sub-link data volume is reported after the downlink message indication of the network side is received.
5. The method of claim 3, wherein reporting the amount of sidelink data through an application layer or a V2X layer comprises:
and reporting the data volume of the secondary link to an operator control node through an application layer or a V2X layer.
6. The method of claim 1, wherein reporting the amount of sidelink data further comprises reporting one or any combination of the following information:
the method comprises the steps of resource pool identification, a GNSS position of a terminal global navigation satellite system, zone identification of a terminal, a timestamp, a time period, cell identification, base station identification, a sending parameter, a CBR measuring result of a channel busy rate, a CBR grade and a CBR range.
7. The method according to claim 1, wherein the configuration issued by the network side is one or any combination of the following:
the network side configures the reporting period, the reporting interval and the reporting starting time of the data volume of the secondary link through RRC signaling.
8. A method for configuring a resource pool is applied to a network side, and comprises the following steps:
receiving a sidelink data volume; the data volume of the secondary link is as follows: the method comprises the steps that a resource pool of a cell counts the amount of sidelink data sent by a terminal in a preset time; the content of the sidelink data volume comprises any one or any combination of the following:
the method comprises the following steps that the bit number of a packet data convergence protocol PDCP service data unit SDU, or the bit number of a PDCP protocol data unit PDU, or the bit number of a radio link layer control protocol RLC SDU, or the bit number of an RLC PDU, or the bit number of a multi-access control protocol MAC SDU, or the bit number of an MAC PDU, or the bit number of a transmission block;
obtaining a CBR measurement result of the terminal within the preset time;
determining the resource utilization condition of the resource pool in the preset time based on the data volume of the secondary link;
and configuring the resource pool based on the CBR measurement result and the resource utilization condition.
9. The method of claim 8, wherein prior to receiving the amount of sidelink data, the method further comprises:
configuring one or any combination of a reporting period, a reporting interval and a reporting starting time of the data volume of the secondary link through RRC signaling.
10. The method of claim 8, wherein the configuring the resource pool based on the CBR measurement and the resource utilization comprises:
and when the number of the terminals of which the CBR exceeds the preset threshold in the preset time is determined to be larger than the second threshold and the resource utilization condition is determined to be larger than the first threshold, increasing the time-frequency resources of the resource pool.
11. An apparatus for configuring a resource pool, the apparatus being applied to a terminal side, comprising:
the statistical module is used for counting the data volume of the secondary link transmitted in the preset time; the content of the sidelink data volume comprises any one or any combination of the following:
the method comprises the following steps that the bit number of a packet data convergence protocol PDCP service data unit SDU, or the bit number of a PDCP protocol data unit PDU, or the bit number of a radio link layer control protocol RLC SDU, or the bit number of an RLC PDU, or the bit number of a multi-access control protocol MAC SDU, or the bit number of an MAC PDU, or the bit number of a transmission block;
a reporting module, configured to report the data volume of the secondary link based on a configuration issued by a network side; the reported data volume of the secondary link is used for a network side to determine the resource utilization condition of the corresponding resource pool in the preset time, and the network side is used for configuring the resource pool based on the CBR measurement result of the terminal in the preset time and the resource utilization condition.
12. An apparatus for configuring a resource pool, the apparatus being applied to a network side, comprising:
the receiving module is used for receiving the data volume of the secondary link; the data volume of the secondary link is as follows: the method comprises the steps that a resource pool of a cell counts the amount of sidelink data sent by a terminal in a preset time; the content of the sidelink data volume comprises any one or any combination of the following:
the method comprises the following steps that the bit number of a packet data convergence protocol PDCP service data unit SDU, or the bit number of a PDCP protocol data unit PDU, or the bit number of a radio link layer control protocol RLC SDU, or the bit number of an RLC PDU, or the bit number of a multi-access control protocol MAC SDU, or the bit number of an MAC PDU, or the bit number of a transmission block;
the receiving module is further configured to obtain a CBR measurement result of the terminal within the preset time;
the determining module is used for determining the resource utilization condition of the resource pool in the preset time based on the data volume of the secondary link;
a configuration module, configured to configure the resource pool based on the CBR measurement result and the resource utilization condition.
13. An apparatus for configuring a resource pool, the apparatus comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any one of claims 1 to 7 or to perform the steps of the method of any one of claims 8 to 10 when running the computer program.
14. 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 7 or carries out the steps of the method of any one of claims 8 to 10.
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