CN112996040B - Buffer status report, resource allocation method, device, terminal and network equipment - Google Patents
Buffer status report, resource allocation method, device, terminal and network equipment Download PDFInfo
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- CN112996040B CN112996040B CN201911212201.7A CN201911212201A CN112996040B CN 112996040 B CN112996040 B CN 112996040B CN 201911212201 A CN201911212201 A CN 201911212201A CN 112996040 B CN112996040 B CN 112996040B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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Abstract
A method, a device, a terminal and a network side device for caching status report and resource allocation, wherein the method comprises the following steps: reporting a buffer status of a first service by using a Media Access Control (MAC) CE, wherein the MAC CE carries a first parameter indicating a first service data volume; at least one embodiment of the present disclosure can save the payload required by the MAC CE carrying the BSR and improve the spectrum utilization.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and apparatus for buffer status report and resource allocation, a terminal, and a network side device.
Background
The semi-static scheduling resource is suitable for carrying the service of the industrial Internet, but when the burst dynamic scheduling service with higher priority of the industrial Internet needs to be sent and the service overlaps with the time-frequency resource of the semi-static scheduling resource, the dynamic scheduling service needs to preempt the semi-static scheduling resource for data transmission. At this time, the low-priority semi-static scheduling data has to wait for the transmission opportunity of the semi-static scheduling service of the next period. If several semi-statically scheduled traffic transmission opportunities are taken up in succession, the QoS (Quality of Service ) of the traffic can be severely affected.
In the prior art, a service corresponding to CG may request uplink resources by sending SR (Scheduling Request, uplink scheduling request) to a base station, and then send BSR (Buffer Status Report ) MAC CE (Media Access Control Address Control Element, medium access control layer control unit), and finally send data up by a method of loading data on dynamic scheduling resources; alternatively, BSR MAC CEs corresponding to CG traffic may be piggybacked on high priority PUSCH (Physical Uplink Shared Channel ) resources.
Disclosure of Invention
At least one embodiment of the present disclosure provides a method, an apparatus, a terminal, and a network side device for buffer status report, so as to solve the problems in the prior art that a payload required by a MAC CE carrying a BSR is large and a spectrum utilization rate is low.
According to one aspect of the present disclosure, at least one embodiment provides a buffer status reporting method, applied to a terminal, including:
and reporting the buffer status of the first service by using a media access control layer control unit (MAC CE), wherein the MAC CE carries a first parameter indicating the data volume of the first service.
In addition, according to at least one embodiment of the present disclosure, the value of the first parameter is an integer a, so as to indicate that the first traffic data volume is a×l, where L is a preset unit data volume.
In addition, in at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of the first service, or the unit data amount is calculated by the terminal according to network configuration information.
Furthermore, in accordance with at least one embodiment of the present disclosure, before the reporting, by the media access control layer control unit MAC CE, of the buffer status of the first service, the method further includes:
detecting whether the data transmission of the first service on the pre-configured semi-static scheduling resource is completed or not;
if not, the step of reporting the buffer status of the first service by the media access control layer control unit (MAC CE) is performed.
In addition, in at least one embodiment according to the present disclosure, the MAC CE further carries identification information of the first service or identification information of a logical channel mapped to the first service.
Furthermore, in accordance with at least one embodiment of the present disclosure, the reporting, by the medium access control layer control unit MAC CE, the buffer status of the first service includes:
and carrying the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
Furthermore, in accordance with at least one embodiment of the present disclosure, after the reporting of the buffer status of the first service by the medium access control layer control unit MAC CE, the method further includes:
the uplink authorized resource which is allocated by the network side equipment and can carry the data to be transmitted of the first service is intercepted through the cell radio network temporary identifier C-RNTI or the radio network temporary identifier CS-RNTI which is configured and scheduled;
and sending the data to be sent on the intercepted uplink authorized resource.
According to another aspect of the present disclosure, at least one embodiment provides a resource allocation method, applied to a network side device, including:
receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of a first service of a terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
and configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE.
In addition, according to at least one embodiment of the present disclosure, the value of the first parameter is an integer a, so as to indicate that the first traffic data volume is a×l, where L is a preset unit data volume.
In addition, in at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of the first service, or the unit data amount is calculated by the terminal according to network configuration information.
In addition, in at least one embodiment according to the present disclosure, the MAC CE further carries identification information of the first service or identification information of a logical channel mapped to the first service.
Furthermore, in accordance with at least one embodiment of the present disclosure, a receiving medium access control layer control unit, MAC CE, includes:
and receiving the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
Furthermore, in at least one embodiment of the present disclosure, after configuring uplink data transmission resources for the first service of the terminal according to the MAC CE, the method further includes:
scrambling and transmitting uplink authorized resources of the first service through a cell radio network temporary identifier C-RNTI or a radio network temporary identifier CS-RNTI configured with scheduling;
and receiving the data of the first service on the uplink authorized resource.
According to another aspect of the present disclosure, at least one embodiment provides a buffer status reporting apparatus, applied to a terminal, including:
and the reporting module is used for reporting the buffer status of the first service by using a media access control layer control unit (MAC CE), wherein the MAC CE carries a first parameter indicating the data volume of the first service.
According to another aspect of the present disclosure, at least one embodiment provides a terminal including a processor and a transceiver, the transceiver receiving and transmitting data under the control of the processor, the processor for performing the following operations:
and reporting the buffer status of the first service by using a media access control layer control unit (MAC CE), wherein the MAC CE carries a first parameter indicating the data volume of the first service.
According to another aspect of the present disclosure, at least one embodiment provides a resource allocation apparatus, applied to a network side device, including:
the receiving module is used for receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of the first service of the terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
and the configuration module is used for configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE.
According to another aspect of the present disclosure, at least one embodiment provides a network side device, including a processor and a transceiver, the transceiver receiving and transmitting data under the control of the processor, the processor being configured to:
receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of a first service of a terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
and configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE.
According to another aspect of the present disclosure, at least one embodiment provides a communication device including a memory, a processor, and a program stored on the memory and executable on the processor; the processor implements the cache state reporting method described above when executing the program; alternatively, the processor may implement the resource allocation method as described above when executing the program.
According to another aspect of the present disclosure, at least one embodiment provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the cache status reporting method as described above; alternatively, the program, when executed by a processor, implements the steps in the resource allocation method as described above.
The technical scheme of the application has at least the following beneficial effects:
in the buffer status report, the resource allocation method, the device, the terminal and the network side equipment of the embodiment of the application, the buffer status of the first service is reported through the MAC CE, the MAC CE carries the first parameter indicating the data volume of the first service, and the buffer status of the first service is indicated through the first parameter, so that the payload required by the MAC CE bearing the BSR can be saved, and the spectrum utilization rate is improved.
Drawings
FIG. 1 is a schematic diagram illustrating steps of a method for reporting a buffer status according to at least one embodiment of the present disclosure;
FIG. 2 illustrates a flow chart of steps of a resource allocation method provided by at least one embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating a configuration of a buffer status reporting device according to at least one embodiment of the present disclosure;
fig. 4 is a schematic structural view of a terminal according to at least one embodiment of the present disclosure;
FIG. 5 illustrates a schematic diagram of a resource allocation apparatus provided by at least one embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a network side device according to at least one embodiment of the present disclosure.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
In the related art, traffic corresponding to CG may be obtained by piggybacking MAC CE of BSR corresponding to traffic of CG on PUSCH (Physical Uplink Shared Channel ) resource of high priority. In this case, however, there must be enough room on the high priority PUSCH resources to carry the MAC CE of the BSR corresponding to the CG traffic; for PUSCH resources of URLLC (Ultra-Reliable & Low Latency Communication, ultra-low latency communication), the modulation coding rate of PUSCH resources of URLLC is low for the requirement of improving reliability, and if a MAC CE of a very large BSR needs to be carried on PUSCH resources of URLLC, the spectrum utilization rate is greatly reduced.
As shown in fig. 1, at least one embodiment of the present disclosure provides a buffer status reporting method, which is applied to a terminal and includes:
step 11, reporting the buffer status of the first service by using a media access control layer control unit (MAC CE), wherein the MAC CE carries a first parameter indicating the data volume of the first service.
Optionally, the first service is CG service, and characteristics of the CG service are: the amount of transmission is fixed each time, the unit data amount is determined at the time of initial configuration or activation, and no adjustment is made to the unit data amount thereafter.
In at least one embodiment of the present disclosure, the value of the first parameter is an integer a, which is used to indicate that the first traffic data volume is a×l, and L is a preset unit data volume.
In at least one embodiment of the present disclosure, when the terminal reports the buffer status of the first service, in order to save the number of bits and the payload required by the MAC CE, only one integer a, a×l is reported when the MAC CE is reported, which may also be referred to as the uplink data transmission amount of the first service requested by the terminal to the network.
In addition, according to at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of the first service, or the unit data amount is calculated by the terminal according to network configuration information. The network configuration information is information related to a first service of the network configuration.
Furthermore, according to at least one embodiment of the present disclosure, before the reporting, by the MAC CE, of the buffer status of the first service, the method further includes:
detecting whether the data transmission of the first service on the pre-configured semi-static scheduling resource is completed or not;
if not, the step of reporting the buffer status of the first service by the media access control layer control unit (MAC CE) is performed.
For example, if the terminal finds that, for some reasons, the data of the first service carried on the semi-static scheduling resource is not successfully transmitted, the terminal sends a MAC CE for reporting the buffer status of the first service to the network side device, where a first field of the MAC CE only carries an integer a.
In addition, according to at least one embodiment of the present disclosure, the MAC CE further carries identification information of the first service, or identification information of a logical channel mapped to the first service.
In other words, the format of the MAC CE may be one of the following:
identification information of the first service + integer a;
identification information of logical channel mapped to the first service + integer a.
Furthermore, in accordance with at least one embodiment of the present disclosure, step 11 includes:
and carrying the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource. The priority of the PUSCH or the uplink grant resource may be configured or specified according to the existing scheme, which is not specifically limited herein. And high priority is a relative concept, i.e. relative to the priority of other PUSCH or relative to the priority of other uplink grant resources.
Furthermore, in accordance with at least one embodiment of the present disclosure, after step 11, the method further comprises:
the uplink authorized resource which is allocated by the network side equipment and can carry the data to be transmitted of the first service is intercepted through the cell radio network temporary identifier C-RNTI or the radio network temporary identifier CS-RNTI which is configured and scheduled;
and sending the data to be sent on the intercepted uplink authorized resource.
For example, the data to be sent is encapsulated into a media access control layer protocol data unit MAC PDU, and sent on the intercepted uplink grant resource.
Example
The terminal discovers that the data of the first service carried on the semi-static scheduling resource is not successfully transmitted for some reasons;
the terminal sends the MAC CE carrying the first field on the proper PUSCH resource (on the next semi-static scheduling resource), and the first field is the integer a;
the terminal uses CS-RNTI or C-RNTI to intercept the uplink authorization, and the terminal sends the data of the first service which is not sent successfully before on the uplink sending time-frequency resource (namely the uplink authorization resource) given by the intercepted uplink authorization.
In summary, in at least one embodiment of the present disclosure, the characteristics of the URLLC data transmission are optimized, the buffer status of the first service is reported by the MAC CE, the MAC CE carries a first parameter indicating the data volume of the first service, and the buffer status of the first service is indicated by the first parameter, so that the payload required by the MAC CE carrying the BSR can be saved, and the spectrum utilization rate can be improved.
As shown in fig. 2, at least one embodiment of the present disclosure further provides a resource configuration method, applied to a network side device, including:
step 21, receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of a first service of a terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
step 22, configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE.
It should be noted that, the first service is a CG service, and the characteristics of the CG service are: the amount of transmission is fixed each time, the unit data amount is determined at the time of initial configuration or activation, and no adjustment is made to the unit data amount thereafter.
In at least one embodiment of the present disclosure, the value of the first parameter is an integer a, which is used to indicate that the first traffic data volume is a×l, where L is a preset unit data volume.
In at least one embodiment of the present disclosure, when the terminal reports the buffer status of the first service, in order to save the number of bits and the payload required by the MAC CE, only one integer a, a×l is reported when the MAC CE is reported, which may also be referred to as the uplink data transmission amount of the first service requested by the terminal to the network.
The network side equipment acquires the current data volume of the first service to be transmitted according to the received MAC CE, and allocates uplink authorized resources for the first service.
In addition, according to at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of the first service, or the unit data amount is calculated by the terminal according to network configuration information.
In addition, according to at least one embodiment of the present disclosure, the MAC CE further carries identification information of the first service, or identification information of a logical channel mapped to the first service.
In other words, the format of the MAC CE may be one of the following:
identification information of the first service + integer a;
identification information of logical channel mapped to the first service + integer a.
Furthermore, in accordance with at least one embodiment of the present disclosure, step 21 includes:
and receiving the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource. The priority of the PUSCH or the uplink grant resource may be configured or specified according to the existing scheme, which is not specifically limited herein. And high priority is a relative concept, i.e. relative to the priority of other PUSCH or relative to the priority of other uplink grant resources.
Furthermore, in accordance with at least one embodiment of the present disclosure, after step 21, the method further comprises:
scrambling and transmitting uplink authorized resources of the first service through a cell radio network temporary identifier C-RNTI or a radio network temporary identifier CS-RNTI configured with scheduling;
and receiving the data of the first service on the uplink authorized resource.
In summary, in at least one embodiment of the present disclosure, the characteristics of the URLLC data transmission are optimized, the buffer status of the first service is reported by the MAC CE, the MAC CE carries a first parameter indicating the data volume of the first service, and the buffer status of the first service is indicated by the first parameter, so that the payload required by the MAC CE carrying the BSR can be saved, and the spectrum utilization rate can be improved.
As shown in fig. 3, at least one embodiment of the present disclosure further provides a buffer status reporting device, which is applied to a terminal, and includes:
a reporting module 31, configured to report, by using a medium access control layer control unit MAC CE, a buffer status of the first service, where the MAC CE carries a first parameter indicating a data volume of the first service.
As at least one embodiment of the present disclosure, the value of the first parameter is an integer a, which is used to indicate that the first traffic data volume is a×l, and L is a preset unit data volume.
As at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of a first service, or the unit data amount is calculated by the terminal according to network configuration information.
As at least one embodiment of the present disclosure, the apparatus further comprises:
the detection module is used for detecting whether the data transmission of the first service on the pre-configured semi-static scheduling resource is completed or not; if not, the step of reporting the buffer status of the first service by the media access control layer control unit (MAC CE) is performed.
As at least one embodiment of the present disclosure, the MAC CE further carries identification information of the first service, or identification information of a logical channel mapped to the first service.
As at least one embodiment of the present disclosure, the reporting module includes:
and the reporting sub-module is used for carrying the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
As at least one embodiment of the present disclosure, the apparatus further comprises:
the interception module is used for intercepting uplink authorized resources which are allocated by the network side equipment and can be used for carrying data to be transmitted of the first service through a cell radio network temporary identifier C-RNTI or a radio network temporary identifier CS-RNTI which is configured to be scheduled;
and the data sending module is used for sending the data to be sent on the intercepted uplink authorized resource.
In summary, in at least one embodiment of the present disclosure, the characteristics of the URLLC data transmission are optimized, the buffer status of the first service is reported by the MAC CE, the MAC CE carries a first parameter indicating the data volume of the first service, and the buffer status of the first service is indicated by the first parameter, so that the payload required by the MAC CE carrying the BSR can be saved, and the spectrum utilization rate can be improved.
It should be noted that, the buffer status reporting device provided in the embodiment of the present application is a device capable of executing the buffer status reporting method, and all embodiments of the buffer status reporting method are applicable to the device, and the same or similar beneficial effects can be achieved.
As shown in fig. 4, at least one embodiment of the present disclosure further provides a terminal including a processor 400 and a transceiver 410, the terminal further including a user interface 420, the transceiver 410 receiving and transmitting data under the control of the processor 400, the processor 400 for performing the following operations:
and reporting the buffer status of the first service by using a media access control layer control unit (MAC CE), wherein the MAC CE carries a first parameter indicating the data volume of the first service.
As at least one embodiment of the present disclosure, the value of the first parameter is an integer a, which is used to indicate that the first traffic data volume is a×l, and L is a preset unit data volume.
As at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of a first service, or the unit data amount is calculated by the terminal according to network configuration information.
As at least one embodiment of the present disclosure, the processor is further configured to:
detecting whether the data transmission of the first service on the pre-configured semi-static scheduling resource is completed or not;
if not, the step of reporting the buffer status of the first service by the media access control layer control unit (MAC CE) is performed.
As at least one embodiment of the present disclosure, the MAC CE further carries identification information of the first service, or identification information of a logical channel mapped to the first service.
As at least one embodiment of the present disclosure, the processor is further configured to:
and carrying the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
As at least one embodiment of the present disclosure, the processor is further configured to:
the uplink authorized resource which is allocated by the network side equipment and can carry the data to be transmitted of the first service is intercepted through the cell radio network temporary identifier C-RNTI or the radio network temporary identifier CS-RNTI which is configured and scheduled;
and sending the data to be sent on the intercepted uplink authorized resource.
In summary, in at least one embodiment of the present disclosure, the characteristics of the URLLC data transmission are optimized, the buffer status of the first service is reported by the MAC CE, the MAC CE carries a first parameter indicating the data volume of the first service, and the buffer status of the first service is indicated by the first parameter, so that the payload required by the MAC CE carrying the BSR can be saved, and the spectrum utilization rate can be improved.
It should be noted that, if the terminal provided in the embodiment of the present application is a terminal capable of executing the above-mentioned buffer status reporting method, all embodiments of the above-mentioned buffer status reporting method are applicable to the terminal, and the same or similar beneficial effects can be achieved.
At least one embodiment of the present disclosure further provides a communication device, where the communication device is a terminal, and the communication device includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where each process in the embodiment of the buffer status reporting method described above is implemented by the processor when the processor executes the program, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
At least one embodiment of the present disclosure further provides a computer readable storage medium, on which a computer program is stored, where the program when executed by a processor implements each process in the embodiment of the buffer status reporting method described above, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
As shown in fig. 5, at least one embodiment of the present disclosure further provides a resource configuration apparatus, applied to a network side device, including:
a receiving module 51, configured to receive a media access control layer control unit MAC CE, where the MAC CE is configured to report a buffer status of a first service of a terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
a configuration module 52, configured to configure uplink grant resources for the first service according to the buffer status of the first service reported by the MAC CE.
As at least one embodiment of the present disclosure, the value of the first parameter is an integer a, which is used to indicate that the first traffic data volume is a×l, and L is a preset unit data volume.
As at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of a first service, or the unit data amount is calculated by the terminal according to network configuration information.
As at least one embodiment of the present disclosure, the MAC CE further carries identification information of the first service, or identification information of a logical channel mapped to the first service.
As at least one embodiment of the present disclosure, the receiving module includes:
and the receiving sub-module is used for receiving the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
As at least one embodiment of the present disclosure, the apparatus further comprises:
an authorization module, configured to scramble and send an uplink authorization resource of the first service through a cell radio network temporary identifier C-RNTI or a radio network temporary identifier CS-RNTI configured for scheduling;
and the data receiving module is used for receiving the data of the first service on the uplink authorized resource.
In summary, in at least one embodiment of the present disclosure, the characteristics of the URLLC data transmission are optimized, the buffer status of the first service is reported by the MAC CE, the MAC CE carries a first parameter indicating the data volume of the first service, and the buffer status of the first service is indicated by the first parameter, so that the payload required by the MAC CE carrying the BSR can be saved, and the spectrum utilization rate can be improved.
It should be noted that, the resource allocation device provided in the embodiment of the present application is a device capable of executing the above-mentioned resource allocation method, and all embodiments of the above-mentioned resource allocation method are applicable to the device, and the same or similar beneficial effects can be achieved.
As shown in fig. 6, at least one embodiment of the present disclosure further provides a network side device, including a processor 600 and a transceiver 610, the transceiver 610 receiving and transmitting data under the control of the processor 600, the processor 600 being configured to:
receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of a first service of a terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
and configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE.
As at least one embodiment of the present disclosure, the value of the first parameter is an integer a, which is used to indicate that the first traffic data volume is a×l, and L is a preset unit data volume.
As at least one embodiment of the present disclosure, the unit data amount is a preconfigured data amount of a single transmission of a first service, or the unit data amount is calculated by the terminal according to network configuration information.
As at least one embodiment of the present disclosure, the MAC CE further carries identification information of the first service, or identification information of a logical channel mapped to the first service.
As at least one embodiment of the present disclosure, the processor is further configured to:
and receiving the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
As at least one embodiment of the present disclosure, the processor is further configured to:
scrambling and transmitting uplink authorized resources of the first service through a cell radio network temporary identifier C-RNTI or a radio network temporary identifier CS-RNTI configured with scheduling;
and receiving the data of the first service on the uplink authorized resource.
In summary, in at least one embodiment of the present disclosure, the characteristics of the URLLC data transmission are optimized, the buffer status of the first service is reported by the MAC CE, the MAC CE carries a first parameter indicating the data volume of the first service, and the buffer status of the first service is indicated by the first parameter, so that the payload required by the MAC CE carrying the BSR can be saved, and the spectrum utilization rate can be improved.
It should be noted that, if the network side device provided in the embodiment of the present application is a network side device capable of executing the above-mentioned resource allocation method, all embodiments of the above-mentioned resource allocation method are applicable to the network side device, and the same or similar beneficial effects can be achieved.
At least one embodiment of the present disclosure further provides a base station, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor implements each process in the embodiments of the resource allocation method as described above when executing the program, and the process can achieve the same technical effect, and for avoiding repetition, a description is omitted herein.
At least one embodiment of the present disclosure further provides a computer readable storage medium, on which a computer program is stored, where the program when executed by a processor implements each process in the embodiments of the resource allocation method described above, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-readable storage media (including, but not limited to, magnetic disk storage and optical storage, etc.) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations 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 or blocks.
These computer program instructions may also be stored in a computer-readable storage medium 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 storage medium 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.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.
Claims (17)
1. The buffer status reporting method is applied to a terminal and is characterized by comprising the following steps:
reporting a buffer status of a first service by using a Media Access Control (MAC) CE, wherein the MAC CE carries a first parameter indicating a first service data volume;
the value of the first parameter is an integer a, which is used for indicating that the first service data volume is a×l, and L is a preset unit data volume.
2. The method of claim 1, wherein the unit data size is a pre-configured data size of a single transmission of the first service, or the unit data size is calculated by the terminal according to network configuration information.
3. The method of claim 1, wherein before reporting the buffer status of the first service with the medium access control layer control unit MAC CE, further comprising:
detecting whether the data transmission of the first service on the pre-configured semi-static scheduling resource is completed or not;
if not, the step of reporting the buffer status of the first service by the media access control layer control unit (MAC CE) is performed.
4. The method of claim 1, wherein the MAC CE further carries identification information of the first service or identification information of a logical channel mapped to the first service.
5. The method of claim 1, wherein reporting the buffer status of the first service using the medium access control layer control element MAC CE comprises:
and carrying the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
6. The method of claim 1, wherein after reporting the buffer status of the first service with the medium access control layer control unit MAC CE, the method further comprises:
the uplink authorized resource which is allocated by the network side equipment and can carry the data to be transmitted of the first service is intercepted through the cell radio network temporary identifier C-RNTI or the radio network temporary identifier CS-RNTI which is configured and scheduled;
and sending the data to be sent on the intercepted uplink authorized resource.
7. The resource allocation method is applied to the network side equipment and is characterized by comprising the following steps:
receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of a first service of a terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE;
the value of the first parameter is an integer a, which is used for indicating that the first service data volume is a×l, and L is a preset unit data volume.
8. The method of claim 7, wherein the unit data size is a pre-configured data size of a single transmission of the first service, or the unit data size is calculated by the terminal according to network configuration information.
9. The method of claim 7, wherein the MAC CE further carries identification information of the first service or identification information of a logical channel mapped to the first service.
10. The method of claim 7, wherein receiving the medium access control layer control element MAC CE comprises:
and receiving the MAC CE corresponding to the first service on a Physical Uplink Shared Channel (PUSCH) or an uplink authorized resource.
11. The method of claim 7, wherein after configuring uplink data transmission resources for the first service of the terminal according to the MAC CE, the method further comprises:
scrambling and transmitting uplink authorized resources of the first service through a cell radio network temporary identifier C-RNTI or a radio network temporary identifier CS-RNTI configured with scheduling;
and receiving the data of the first service on the uplink authorized resource.
12. A buffer status reporting device, applied to a terminal, comprising:
a reporting module, configured to report a buffer status of a first service by using a MAC CE of a MAC layer, where the MAC CE carries a first parameter indicating a data volume of the first service;
the value of the first parameter is an integer a, which is used for indicating that the first service data volume is a×l, and L is a preset unit data volume.
13. A terminal comprising a processor and a transceiver, the transceiver receiving and transmitting data under the control of the processor, the processor being configured to:
reporting a buffer status of a first service by using a Media Access Control (MAC) CE, wherein the MAC CE carries a first parameter indicating a first service data volume;
the value of the first parameter is an integer a, which is used for indicating that the first service data volume is a×l, and L is a preset unit data volume.
14. A resource allocation apparatus applied to a network side device, comprising:
the receiving module is used for receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of the first service of the terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
the configuration module is used for configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE;
the value of the first parameter is an integer a, which is used for indicating that the first service data volume is a×l, and L is a preset unit data volume.
15. A network side device comprising a processor and a transceiver, the transceiver receiving and transmitting data under control of the processor, the processor being configured to:
receiving a media access control layer control unit (MAC CE) which is used for reporting the buffer status of a first service of a terminal; wherein the MAC CE carries a first parameter indicating a first traffic data volume;
configuring uplink authorized resources for the first service according to the buffer status of the first service reported by the MAC CE;
the value of the first parameter is an integer a, which is used for indicating that the first service data volume is a×l, and L is a preset unit data volume.
16. A communication device comprising a memory, a processor, and a program stored on the memory and executable on the processor; wherein the processor, when executing the program, implements a cache status reporting method as claimed in any one of claims 1 to 6; alternatively, the processor, when executing the program, implements a resource allocation method as claimed in any of claims 7-11.
17. A computer readable storage medium having stored thereon a computer program, which when executed by a processor performs the steps of the cache status reporting method of any of claims 1-6; alternatively, the program, when executed by a processor, implements the steps of the resource allocation method according to any of claims 7-11.
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