WO2021204073A1 - 一种停止发送调度请求的方法及装置 - Google Patents

一种停止发送调度请求的方法及装置 Download PDF

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Publication number
WO2021204073A1
WO2021204073A1 PCT/CN2021/085205 CN2021085205W WO2021204073A1 WO 2021204073 A1 WO2021204073 A1 WO 2021204073A1 CN 2021085205 W CN2021085205 W CN 2021085205W WO 2021204073 A1 WO2021204073 A1 WO 2021204073A1
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Prior art keywords
specific target
time
delay requirement
network side
determined
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PCT/CN2021/085205
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English (en)
French (fr)
Inventor
翟海涛
赵亚利
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大唐移动通信设备有限公司
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Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Priority to US17/915,099 priority Critical patent/US20230156768A1/en
Priority to EP21784664.1A priority patent/EP4135446A4/en
Publication of WO2021204073A1 publication Critical patent/WO2021204073A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/40—Resource management for direct mode communication, e.g. D2D or sidelink

Definitions

  • This application relates to the field of communications, and in particular to a method and device for stopping sending a scheduling request.
  • V2X Vehicle to Everything
  • vehicle A needs to load specific target control information on corresponding resources and send it to vehicle B according to the scheduling resource information for data transmission issued by the base station. If there are currently no available resources, vehicle A will send a Schedule Request (SR) to the base station to obtain the new scheduling resource information issued by the base station; then according to the new scheduling resource information, it will load the control information to the new one. The resource is sent to vehicle B.
  • SR Schedule Request
  • vehicle A Before sending the SR to the base station, it is necessary to wait for the resources used to send the SR. If the waiting time is too long, the time when the vehicle A obtains the new scheduling resource information issued by the base station will exceed the time delay of the specific target. Require. However, currently, vehicle A will stop sending the SR only when it meets any one of the following conditions: when vehicle A carries control information to other resources and sends it to vehicle B, or vehicle A changes the resource selection method.
  • the embodiments of the present application provide a method and device for stopping sending a scheduling request, so as to solve the problem of obtaining scheduling resource information issued by the network side over time.
  • an embodiment of the present application provides a method for stopping sending a scheduling request, including:
  • the determining the delay requirement of the specific target includes:
  • the specific target is a logical channel
  • the delay requirement of the MAC CE is determined.
  • the determining the delay requirement of the MAC CE includes:
  • the delay requirement of the MAC CE is determined through a protocol or network side configuration.
  • the following methods are used to determine whether the delay requirements of the specific target are met:
  • the time offset is the length of time between sending the SR to determining the direct communication link (Sidelink, SL) resource allocated by the network side.
  • the method further includes:
  • judging whether the delay requirement of the specific target is met according to the set time offset includes:
  • the duration of the timer is set according to the time delay requirement, and the start time of the timer is the time when it is determined that information about a specific target needs to be requested from the network side for scheduling resources.
  • judging whether the delay requirement of the specific target is met according to the set time offset includes:
  • the duration of the time counter is equal to the time difference between the delay requirement of the specific target and the time offset, and the SR is not sent, it is determined that the delay requirement of the specific target cannot be met.
  • judging whether the delay requirement of the specific target is met according to the set time offset includes:
  • the following methods are used to determine whether the delay requirements of the specific target are met:
  • the SR determines that the delay requirement of the specific target cannot be met.
  • the method further includes:
  • Random requests for scheduling resources from the network side for specific target information are Random requests for scheduling resources from the network side for specific target information.
  • an embodiment of the present application also provides a user terminal, including:
  • Memory used to store program instructions
  • the processor is configured to call the program instructions stored in the memory, and execute the program according to the obtained program. After there is a demand for scheduling resources from the network side for the information of the specific target, determine the delay requirement of the specific target; Before the network side sends the SR, if it is determined that the time delay requirement of the specific target cannot be met, it stops sending the SR.
  • the processor is configured to:
  • the specific target is a logical channel
  • the delay requirement of the MAC CE is determined.
  • the processor is configured to:
  • the delay requirement of the MAC CE is determined through a protocol or network side configuration.
  • the processor is configured to:
  • the time offset is the time length between sending the SR and determining the SL resources allocated by the network side.
  • the processor is further configured to:
  • the processor is configured to:
  • the duration of the timer is set according to the time delay requirement, and the start time of the timer is the time when it is determined that information about a specific target needs to be requested from the network side for scheduling resources.
  • the processor is configured to:
  • the duration of the time counter is equal to the time difference between the delay requirement of the specific target and the time offset, and the SR is not sent, it is determined that the delay requirement of the specific target cannot be met.
  • the processor is configured to:
  • the processor is configured to:
  • the SR determines that the delay requirement of the specific target cannot be met.
  • the processor is further configured to:
  • Random requests for scheduling resources from the network side for specific target information are Random requests for scheduling resources from the network side for specific target information.
  • an embodiment of the present application also provides a device for stopping a scheduling request, including:
  • the determining unit is configured to determine the time delay requirement of the specific target after there is a demand for scheduling resources from the network side for the information of the specific target;
  • the sending stop unit is configured to stop sending the SR if it is determined that the delay requirement of the specific target cannot be met before sending the SR to the network side.
  • the determining unit is configured to:
  • the specific target is a logical channel
  • the delay requirement of the MAC CE is determined.
  • the determining unit is configured to:
  • the delay requirement of the MAC CE is determined through a protocol or network side configuration.
  • the sending stop unit is configured to:
  • the time offset is the time length between sending the SR and determining the SL resources allocated by the network side.
  • the sending stop unit is further configured to:
  • the sending stop unit is configured to:
  • the duration of the timer is set according to the time delay requirement, and the start time of the timer is the time when it is determined that information about a specific target needs to be requested from the network side for scheduling resources.
  • the sending stop unit is configured to:
  • the duration of the time counter is equal to the time difference between the delay requirement of the specific target and the time offset, and the SR is not sent, it is determined that the delay requirement of the specific target cannot be met.
  • the sending stop unit is configured to:
  • the sending stop unit is configured to:
  • the SR determines that the delay requirement of the specific target cannot be met.
  • the sending stop unit is further configured to:
  • Random requests for scheduling resources from the network side for specific target information are Random requests for scheduling resources from the network side for specific target information.
  • an embodiment of the present application also provides a storage medium including computer-readable instructions.
  • the computer reads and executes the computer-readable instructions, the computer executes any one of the foregoing methods for stopping sending scheduling requests.
  • the delay requirement of the specific target is determined; before the SR is sent to the network side, if it is determined that the delay requirement of the specific target cannot be met, Then stop sending SR. In this way, before sending the SR to the network side, if it is determined that the time delay requirement of the specific target cannot be met, the sending of the SR is stopped in advance, which can avoid the timeout of obtaining the scheduling resource information issued by the network side.
  • FIG. 1 is a schematic diagram of the architecture of a V2V communication system provided by an embodiment of the application
  • FIG. 2 is a schematic diagram of the flow of stopping sending SR according to an embodiment of the application
  • FIG. 3a is a schematic flow chart of judging to stop sending SR based on the remaining time of the timer when the specific target is a logical channel according to an embodiment of the application;
  • FIG. 3b is a schematic diagram of a time axis for stopping sending an SR generated by a logical channel according to an embodiment of the application;
  • Fig. 4a is a schematic diagram of a process for judging to stop sending an SR based on the remaining time of a timer when the specific target is a MAC CE according to an embodiment of the application;
  • FIG. 4b is a schematic diagram of the time axis of stopping sending the SR generated by the MAC CE according to an embodiment of the application;
  • FIG. 5a is a schematic diagram of a process for judging to stop sending SR based on the duration of a time counter when the specific target is a logical channel according to an embodiment of the application;
  • FIG. 5b is a schematic diagram of a time axis for stopping sending an SR generated by a logical channel according to an embodiment of the application
  • FIG. 6a is a schematic diagram of the process of judging to stop sending SR based on the duration of the time counter when the specific target is the MAC CE according to an embodiment of the application;
  • Fig. 6b is a schematic diagram of the time axis for stopping sending the SR generated by the MAC CE provided in an embodiment of the application;
  • FIG. 7a is a schematic flow diagram of a process for judging to stop sending SR based on the time difference between the current time and the trigger time when the network side requests scheduling resources based on the information for the logical channel when the specific target is a logical channel according to an embodiment of the application;
  • FIG. 7b is a schematic diagram of a time axis for stopping sending an SR generated by a logical channel according to an embodiment of the application.
  • Fig. 8a is a schematic diagram of a process for judging to stop sending an SR based on the time difference between the current time and the trigger time when the network side requests scheduling resources based on the information for the MAC CE when the specific target is the MAC CE according to an embodiment of the application;
  • FIG. 8b is a schematic diagram of the time axis of stopping sending the SR generated by the MAC CE according to an embodiment of the application;
  • FIG. 8b is a schematic diagram of the time axis of stopping sending the SR generated by the MAC CE according to an embodiment of the application;
  • FIG. 9a is a schematic flow chart of determining to stop sending SR based on the time difference between the current time and the trigger time when the network side requests scheduling resources based on the information for the logical channel when the specific target is a logical channel according to an embodiment of the application;
  • FIG. 9b is a schematic diagram of a time axis for stopping sending an SR generated by a logical channel according to an embodiment of the application.
  • FIG. 10a is a schematic diagram of a process for judging to stop sending an SR based on the time difference between the current time and the trigger time when the network side requests scheduling resources based on the information for the MAC CE when the specific target is the MAC CE according to an embodiment of the application;
  • FIG. 10b is a schematic diagram of the time axis of stopping sending the SR generated by the MAC CE according to an embodiment of the application;
  • FIG. 11 is a schematic structural diagram of a user terminal provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of an apparatus for stopping sending a scheduling request according to an embodiment of the application.
  • a new technical solution for stopping sending the scheduling request includes: after requesting scheduling resources from the network side for information about a specific target, determine the delay requirement of the specific target; before sending the SR to the network side, if it is determined that the delay requirement of the specific target cannot be met, stop sending the SR .
  • Vehicle-to-Vehicle, V2V vehicle-to-vehicle
  • the system includes interconnected vehicle A (hereinafter referred to as User Equipment (UE) 1), vehicle B (hereinafter referred to as UE2 for short) and a base station (eNodeB, eNB), wherein the SL is used for data transmission between UE1 and UE2, and UE1 and UE2 can respectively establish a communication connection with the eNB through a cellular communication link (Uulink).
  • UE User Equipment
  • eNodeB eNodeB
  • UE1 When UE1 transmits data to UE2, it needs to load specific target control information on corresponding resources and send it to the other party according to the scheduling resource information issued by the eNB for data transmission. If there are currently no available resources, UE1 needs to trigger a specific target to generate an SR, and send an SR to the eNB to obtain the new scheduling resource information issued by the eNB, but if the time to wait for the resource used to carry the scheduling resource request has passed Long, it will cause the time when UE1 obtains the new scheduling resource information issued by the eNB, which has exceeded the time delay requirement of the specific target. Therefore, before sending the SR to the eNB, the UE1 needs to determine in time whether to stop sending the SR according to the delay requirement of the specific target.
  • an embodiment of the present application provides a schematic flowchart of stopping sending an SR.
  • the method of determining the delay requirement of a specific target is as follows:
  • the specific target is a logical channel
  • the delay requirements of MAC CE are determined.
  • the embodiment of this application determines the delay requirement of the MAC CE through a protocol or a network side configuration method.
  • the embodiments of this application provide the following two types of judgment rules:
  • Rule 1 According to the set time offset, determine whether the delay requirement of a specific target is met; where the time offset is the length of time between sending the SR to the SL resource allocated on the network side, and in the embodiment of this application, an agreement can be adopted Or the network side determines the time offset.
  • the first type of judgment rule contains the following three judgment methods:
  • Method A If the remaining time of the timer is equal to the time offset and no SR is sent, it is determined that the delay requirement of the specific target cannot be met;
  • the duration of the timer is set according to the delay requirement, and the start time of the timer is the time when it is determined that there is a need for information about a specific target to request scheduling resources from the network side.
  • the time delay requirement of a specific target represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset represents the time period between sending the SR to the SL resource allocated by the network side.
  • the duration of the timer is counted down from the delay requirement of the specific target. Therefore, if the remaining duration of the timer is equal to the time offset, the SR has not been sent, which means that when the SR is sent to the network side later, it will be It may happen that the time period for receiving the SL resource allocated by the network side has exceeded the delay requirement of the specific target.
  • S301 Set the duration of the timer T according to the delay requirement of the logical channel, start T when the logical channel generates SR, and obtain the set time offset (denoted as delta T);
  • S305 End the process of judging whether the time length of the SL resource allocated by the network side meets the delay requirement of the logical channel;
  • the time delay requirement of the logical channel in Figure 3b represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset delta T represents the time length between sending the SR to the SL resources allocated on the network side, and the timer is started when the SR is generated.
  • S401 Set the duration of timer T according to the delay requirement of MAC CE, start T when MAC CE generates SR, and obtain the set time offset delta T;
  • S405 End the process of judging whether the duration of receiving the SL resource allocated by the network side meets the delay requirement of the MAC CE;
  • the time delay requirement of MAC CE in Figure 4b represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset delta T represents the time length between sending the SR to the SL resources allocated by the network side, and the timer is started when the SR is generated.
  • Manner B If the duration of the time counter is equal to the time difference between the delay requirement of the specific target and the time offset, and the SR is not sent, it is determined that the delay requirement of the specific target cannot be met.
  • the start time of the time counter is the time when it is determined that information about a specific target needs to be requested from the network side for scheduling resources.
  • the time delay requirement of a specific target represents the maximum time for UE1 to obtain scheduling resource information
  • the time offset represents the time between sending SR to the SL resource allocated by the network side. Therefore, the time delay requirement of a specific target is obtained by subtracting the time offset
  • the time difference indicates the maximum time that the SR waits for its own resources.
  • the duration of the time counter is the time delay requirement of the specific target. Therefore, when the duration of the time counter is equal to the time difference between the delay requirement of the specific target and the time offset, the SR is still not sent, which means that When the SR is sent to the network side, the time period for receiving the SL resource allocated by the network side will exceed the delay requirement of the specific target.
  • S501 Start a time counter when the logical channel generates an SR, and subtract the time offset from the time delay requirement of the logical channel to obtain the time difference;
  • S502 Determine the duration C1 of the time counter
  • S504 Judge whether the SR has been sent, if yes, go to step 505; otherwise, go to step 506;
  • S505 End the process of judging whether the duration of receiving the SL resource allocated by the network side meets the delay requirement of the logical channel;
  • the time delay requirement of the logical channel in Figure 5b represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset delta T represents the time length between sending the SR to the SL resources allocated on the network side, and the time counter is started when the SR is generated .
  • S601 Start the time counter when the MAC CE generates the SR, and subtract the time offset from the delay requirement of the MAC CE to obtain the time difference;
  • S602 Determine the duration C1 of the time counter
  • S604 Judge whether the SR has been sent, if yes, go to step 605; otherwise, go to step 606;
  • S605 End the process of judging whether the duration of receiving the SL resource allocated by the network side meets the delay requirement of the MAC CE;
  • the time delay requirement of MAC CE in Figure 6b represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset delta T represents the time length between sending the SR to the SL resources allocated by the network side, and the time counter is started when the SR is generated.
  • Method C If it is determined that the time difference between the current time when information about a specific target is requested from the network side for scheduling resources, and the time difference between the trigger time when information about a specific target is requested from the network side for scheduling resources is greater than the delay requirement and time deviation of the specific target When the time difference between the shift amounts, if the SR is not sent, it is determined that the delay requirement of the specific target cannot be met.
  • the time difference obtained by subtracting the trigger time from the current time when the network side requests scheduling resources for the information of a specific target represents the time the SR waits for its own resources
  • the delay requirement of the specific target is the time difference obtained by subtracting the time offset
  • S701 Determine the current time t when requesting scheduling resources from the network side for the information of the logical channel, and subtract the time offset from the delay requirement of the logical channel to obtain the first time difference;
  • S703 Determine whether the t difference is greater than the first time difference, and if so, go to step 704;
  • S705 End the process of judging whether the time length of the SL resource allocated by the network side meets the delay requirement of the logical channel;
  • the time delay requirement of the logical channel in Figure 7b represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset delta T represents the time length between sending the SR to the SL resource allocated on the network side, and determining the trigger time for generating the SR. And the current time when the SR is ready to be sent to the network side.
  • S801 Determine the current time t when the network side requests scheduling resources for the information of the MAC CE, and subtract the time offset from the delay requirement of the MAC CE to obtain the first time difference;
  • S803 Determine whether the t difference is greater than the first time difference, and if so, go to step 804;
  • S805 End the process of judging whether the duration of receiving the SL resource allocated by the network side meets the delay requirement of the MAC CE;
  • the time delay requirement of MAC CE in Figure 8b represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset delta T represents the time length between sending the SR to the SL resource allocated by the network side, and determining the trigger time for generating the SR. And the current time when the SR is ready to be sent to the network side.
  • the time difference obtained by subtracting the trigger time from the current time of requesting scheduling resources from the network for the information of a specific target represents the length of time the SR waits for its own resources, while the delay requirement of a specific target represents the maximum length of time for UE1 to obtain scheduling resource information ,
  • the SR is still not sent, which means that when the SR is sent to the network side later, the time period for receiving the SL resources allocated by the network side will occur, which has exceeded the delay of the specific target The situation required.
  • S901 Determine the current time t when requesting scheduling resources from the network side for the information of the logical channel
  • S903 Judge whether the t difference is greater than the delay requirement of the logical channel, and if so, go to step 904;
  • S904 Judge whether the SR has been sent, if yes, go to step 905; otherwise, go to step 906;
  • S905 End the process of judging whether the time length of the SL resource allocated by the network side meets the delay requirement of the logical channel;
  • the time delay requirement of the logical channel in FIG. 9b represents the maximum time period for UE1 to obtain the scheduling resource information, determine the trigger time for generating the SR, and the current time when it is ready to send the SR to the network side.
  • S1001 Determine the current time t when requesting scheduling resources from the network side for MAC CE information
  • S1003 Determine whether the difference of t is greater than the delay requirement of the MAC CE, and if so, go to step 1004;
  • S1004 Judge whether the SR has been sent, if yes, go to step 1005; otherwise, go to step 1006;
  • S1005 End the process of judging whether the duration of receiving the SL resource allocated by the network side meets the delay requirement of the MAC CE;
  • the time delay requirement of MAC CE in Figure 10b represents the maximum time period for UE1 to obtain scheduling resource information
  • the time offset delta T represents the time length between sending the SR to the SL resources allocated by the network side, and determining the trigger time for generating the SR. And the current time when the SR is ready to be sent to the network side.
  • a resource may be randomly requested from the network side for the information of the specific target.
  • RA-SR Random Access Schedule Request
  • a user terminal As shown in FIG. 11, it includes at least a memory 1101 and at least one processor 1102, where the memory 1101 and the processor 1102 complete mutual communication through a communication bus. Communication
  • the memory 1101 is used to store program instructions
  • the processor 1102 is configured to call the program instructions stored in the memory, and execute according to the obtained program, after there is a demand for scheduling resources from the network side for the information of the specific target, determine the delay requirement of the specific target; Before sending the SR, the network side stops sending the SR if it is determined that the delay requirement of the specific target cannot be met.
  • the processor 1102 is configured to:
  • the specific target is a logical channel
  • the delay requirement of the MAC CE is determined.
  • the processor 1102 is configured to:
  • the delay requirement of the MAC CE is determined through a protocol or network side configuration.
  • the processor 1102 is configured to determine whether the delay requirement of the specific target is satisfied by the following methods:
  • the time offset is the time length between sending the SR and determining the SL resources allocated by the network side.
  • processor 1102 is further configured to:
  • the processor 1102 is configured to:
  • the duration of the timer is set according to the time delay requirement, and the start time of the timer is the time when it is determined that information about a specific target needs to be requested from the network side for scheduling resources.
  • the processor 1102 is configured to:
  • the duration of the time counter is equal to the time difference between the delay requirement of the specific target and the time offset, and the SR is not sent, it is determined that the delay requirement of the specific target cannot be met.
  • the processor 1102 is configured to:
  • the processor 1102 is configured to determine whether the delay requirement of the specific target is satisfied by the following methods:
  • the SR determines that the delay requirement of the specific target cannot be met.
  • the processor 1102 is further configured to:
  • Random requests for scheduling resources from the network side for specific target information are Random requests for scheduling resources from the network side for specific target information.
  • an embodiment of the present application also provides a device for stopping sending a scheduling request. As shown in FIG. 12, it at least includes a determining unit 1201 and a sending stop unit 1202, wherein,
  • the determining unit 1201 is configured to determine the delay requirement of the specific target after requesting scheduling resources from the network side for the information of the specific target;
  • the sending stop unit 1202 is configured to stop sending the SR if it is determined that the delay requirement of the specific target cannot be met before sending the SR to the network side.
  • the determining unit 1201 is configured to:
  • the specific target is a logical channel
  • the delay requirement of the MAC CE is determined.
  • the determining unit 1201 is configured to:
  • the delay requirement of the MAC CE is determined through a protocol or network side configuration.
  • the sending stop unit 1202 is configured to:
  • the time offset is the time length between sending the SR and determining the SL resources allocated by the network side.
  • stop sending unit 1202 is further configured to:
  • the sending stop unit 1202 is configured to:
  • the duration of the timer is set according to the time delay requirement, and the start time of the timer is the time when it is determined that information about a specific target needs to be requested from the network side for scheduling resources.
  • the sending stop unit 1202 is configured to:
  • the duration of the time counter is equal to the time difference between the delay requirement of the specific target and the time offset, and the SR is not sent, it is determined that the delay requirement of the specific target cannot be met.
  • the sending stop unit 1202 is configured to:
  • the sending stop unit 1202 is configured to:
  • the SR determines that the delay requirement of the specific target cannot be met.
  • the sending stop unit 1202 is further configured to:
  • Random requests for scheduling resources from the network side for specific target information are Random requests for scheduling resources from the network side for specific target information.
  • a storage medium which includes at least computer-readable instructions.
  • the computer reads and executes the computer-readable instructions, the computer executes the aforementioned method of stopping sending scheduling requests.
  • the program product can adopt any combination of one or more readable media.
  • the readable medium may be a readable signal medium or a readable storage medium.
  • the readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or a combination of any of the above. More specific examples (non-exhaustive list) of readable storage media include: electrical connections with one or more wires, portable disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable Type programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
  • the program product for business control of the embodiment of the present application may adopt a portable compact disk read-only memory (CD-ROM) and include program code, and may be run on a computing device.
  • CD-ROM portable compact disk read-only memory
  • the program product of this application is not limited to this.
  • the readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or combined with a command execution system, device, or device.
  • the readable signal medium may include a data signal propagated in baseband or as a part of a carrier wave, and readable program code is carried therein. This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the readable signal medium may also be any readable medium other than a readable storage medium, and the readable medium may send, propagate, or transmit a program for use by or in combination with the command execution system, apparatus, or device.
  • the program code contained on the readable medium can be transmitted by any suitable medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the foregoing.
  • the program code for performing the operations of this application can be written in any combination of one or more programming languages.
  • Programming languages include object-oriented programming languages—such as Java, C++, etc., as well as conventional procedural programming. Language-such as "C" language or similar programming language.
  • the program code can be executed entirely on the user computing device, partly executed on the user equipment, executed as an independent software package, partly executed on the user computing device and partly executed on the remote computing device, or entirely on the remote computing device or server Executed on.
  • the remote computing device may be connected to a user computing device through any kind of network including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device (for example, using an Internet service provider to Connect via the Internet).
  • LAN local area network
  • WAN wide area network

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  • Signal Processing (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

本申请涉及通信领域，公开了一种停止发送调度请求的方法及装置，用以解决超时获取网络侧下发的调度资源信息的问题。该方法包括：在有针对特定目标的信息向网络侧请求调度资源的需求后，确定特定目标的时延要求；在向网络侧发送SR之前，若确定无法满足特定目标的时延要求，则停止发送SR。这样，在向网络侧发送SR之前，若确定无法满足特定目标的时延要求时，提前停止发送SR，可以避免出现超时获取网络侧下发的调度资源信息。

Description

一种停止发送调度请求的方法及装置
相关申请的交叉引用
本申请要求在2020年04月08日提交中国专利局、申请号为202010268262.1、申请名称为“一种停止发送调度请求的方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，特别涉及一种停止发送调度请求的方法及装置。
背景技术
应用车对外界的信息交换(V2X，Vehicle to Everything)技术，实现车与车、车与基站、基站与基站的通信。其中，在车与车之间通信时，车辆A需要根据基站下发的用于数据传输的调度资源信息，将特定目标的控制信息搭载到相应的资源上发送给车辆B。若当前没有可用的资源时，车辆A会向基站发送调度请求(Schedule Request，SR)，以获取基站下发的新的调度资源信息；再根据新的调度资源信息，将控制信息搭载到新的资源上发送给车辆B。
在向基站发送SR之前，还需要等待用于发送所述SR的资源，若等待时间过长，会出现车辆A获取到基站下发的新的调度资源信息的时刻，已经超过特定目标的时延要求。但是，目前车辆A只有符合下述任意一个条件时，才会停止发送所述SR：当车辆A将控制信息搭载到其他资源发送给车辆B，或者车辆A更换资源选择方式。
有鉴于此，需要设计一种新的停止发送调度请求的方法，以克服上述缺陷。
发明内容
本申请实施例提供一种停止发送调度请求的方法及装置，用以解决超时 获取网络侧下发的调度资源信息的问题。
本申请实施例提供的具体技术方案如下：
第一方面，本申请实施例提供了一种停止发送调度请求的方法，包括：
在有针对特定目标的信息向网络侧请求调度资源的需求后，确定所述特定目标的时延要求；
在向所述网络侧发送SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
可选的，所述确定所述特定目标的时延要求，包括：
若所述特定目标是逻辑信道，从所述逻辑信道对应的业务质量(Quality of Service，QoS)参数中确定时延要求；或者，
若所述特定目标是媒体接入层控制单元(MAC Control Element，MAC CE)，则确定所述MAC CE的时延要求。
可选的，所述确定所述MAC CE的时延要求，包括：
通过协议或网络侧配置确定所述MAC CE的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求：
根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
其中，所述时间偏移量为发送所述SR到确定网络侧分配的直接通信链路(Sidelink，SL)资源之间的时长。
可选的，所述方法还包括：
通过协议或网络侧配置确定时间偏移量。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，包括：
若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
其中，所述定时器的时长是根据所述时延要求设置的，所述定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求， 包括：
若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，包括：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，还包括：
针对特定目标的信息向网络侧随机请求调度资源。
第二方面，本申请实施例还提供了一种用户终端，包括：
存储器，用于存储程序指令；
处理器，用于调用所述存储器中存储的程序指令，按照获得的程序执行在有针对特定目标的信息向网络侧请求调度资源的需求后，确定所述特定目标的时延要求；在向所述网络侧发送SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
可选的，所述确定所述特定目标的时延要求，所述处理器用于：
若所述特定目标是逻辑信道，从所述逻辑信道对应的QoS参数中确定时延要求；或者，
若所述特定目标是MAC CE，则确定所述MAC CE的时延要求。
可选的，所述确定所述MAC CE的时延要求，所述处理器用于：
通过协议或网络侧配置确定所述MAC CE的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述处理器用于：
根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
其中，所述时间偏移量为发送所述SR到确定网络侧分配的SL资源之间的时长。
可选的，所述处理器还用于：
通过协议或网络侧配置确定时间偏移量。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器用于：
若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
其中，所述定时器的时长是根据所述时延要求设置的，所述定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器用于：
若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述处理器用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，所述处理器还用于：
针对特定目标的信息向网络侧随机请求调度资源。
第三方面，本申请实施例还提供了一种停止调度请求的装置，包括：
确定单元，用于在有针对特定目标的信息向网络侧请求调度资源的需求后，确定所述特定目标的时延要求；
停止发送单元，用于在向所述网络侧发送SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
可选的，所述确定所述特定目标的时延要求，所述确定单元用于：
若所述特定目标是逻辑信道，从所述逻辑信道对应的QoS参数中确定时延要求；或者，
若所述特定目标是MAC CE，则确定所述MAC CE的时延要求。
可选的，所述确定所述MAC CE的时延要求，所述确定单元用于：
通过协议或网络侧配置确定所述MAC CE的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
其中，所述时间偏移量为发送所述SR到确定网络侧分配的SL资源之间的时长。
可选的，所述停止发送单元还用于：
通过协议或网络侧配置确定时间偏移量。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
其中，所述定时器的时长是根据所述时延要求设置的，所述定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，所述停止发送单元还用于：
针对特定目标的信息向网络侧随机请求调度资源。
第四方面，本申请实施例还提供了一种存储介质，包括计算机可读指令，当计算机读取并执行所述计算机可读指令时，使得计算机执行上述任一项停止发送调度请求的方法。
本申请有益效果如下：
本申请实施例中，在有针对特定目标的信息向网络侧请求调度资源的需求后，确定特定目标的时延要求；在向网络侧发送SR之前，若确定无法满足特定目标的时延要求，则停止发送SR。这样，在向网络侧发送SR之前，若确定无法满足特定目标的时延要求时，提前停止发送SR，可以避免出现超时获取网络侧下发的调度资源信息。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为本申请实施例提供的V2V通信系统的架构示意图；
图2为本申请实施例提供的停止发送SR的流程示意图；
图3a为本申请实施例提供的当特定目标是逻辑信道时，基于定时器的剩余时长判断停止发送SR的流程示意图；
图3b为本申请实施例提供的停止发送由逻辑信道生成的SR的时间轴示意图；
图4a为本申请实施例提供的当特定目标是MAC CE时，基于定时器的剩余时长判断停止发送SR的流程示意图；
图4b为本申请实施例提供的停止发送由MAC CE生成的SR的时间轴示意图；
图5a为本申请实施例提供的当特定目标是逻辑信道时，基于时间计数器的时长判断停止发送SR的流程示意图；
图5b为本申请实施例提供的停止发送由逻辑信道生成的SR的时间轴示意图；
图6a为本申请实施例提供的当特定目标是MAC CE时，基于时间计数器的时长判断停止发送SR的流程示意图；
图6b为本申请实施例提供的停止发送由MAC CE生成的SR的时间轴示 意图；
图7a为本申请实施例提供的当特定目标是逻辑信道时，基于针对逻辑信道的信息向网络侧请求调度资源的当前时刻与触发时刻之间的时间差判断停止发送SR的流程示意图；
图7b为本申请实施例提供的停止发送由逻辑信道生成的SR的时间轴示意图；
图8a为本申请实施例提供的当特定目标是MAC CE时，基于针对MAC CE的信息向网络侧请求调度资源的当前时刻与触发时刻之间的时间差判断停止发送SR的流程示意图；
图8b为本申请实施例提供的停止发送由MAC CE生成的SR的时间轴示意图；
图9a为本申请实施例提供的当特定目标是逻辑信道时，基于针对逻辑信道的信息向网络侧请求调度资源的当前时刻与触发时刻之间的时间差判断停止发送SR的流程示意图；
图9b为本申请实施例提供的停止发送由逻辑信道生成的SR的时间轴示意图；
图10a为本申请实施例提供的当特定目标是MAC CE时，基于针对MAC CE的信息向网络侧请求调度资源的当前时刻与触发时刻之间的时间差判断停止发送SR的流程示意图；
图10b为本申请实施例提供的停止发送由MAC CE生成的SR的时间轴示意图；
图11为本申请实施例提供的一种用户终端的结构示意图；
图12为本申请实施例提供的一种停止发送调度请求的装置结构示意图。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请的技术方案进行清楚、完整地描述，显然，所 描述的实施例是本申请技术方案的一部分实施例，而不是全部的实施例。基于本申请文件中记载的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请技术方案保护的范围。
为了解决超时获取网络侧下发的调度资源信息的问题，本申请实施例中，提出了一种新的停止发送调度请求的技术方案。该方案包括：在需要针对特定目标的信息向网络侧请求调度资源后，确定特定目标的时延要求；在向网络侧发送SR之前，若确定无法满足特定目标的时延要求，则停止发送SR。
下面结合附图对本申请优选的实施方式作出详细说明。
参阅图1示出了一种车到车(Vehicle-to-Vehicle，V2V)通信系统的架构示意图，该系统包括互相连接的车辆A(后续简称为用户设备(User Equipment，UE)1)、车辆B(后续简称为UE2)和基站(eNodeB，eNB)，其中，UE1和UE2之间采用SL进行数据传输，UE1和UE2可分别通过蜂窝通信链路(Uu link)与eNB建立通信连接。
当UE1向UE2传输数据时，需要根据eNB下发的用于数据传输的调度资源信息，将特定目标的控制信息搭载到相应的资源上发送给对方。若当前没有可用的资源时，则UE1需要通过特定目标触发生成SR，并向eNB发送SR，以获取eNB下发的新的调度资源信息，但若等待用于承载调度资源请求的资源的时间过长，会导致UE1获取到eNB下发的新的调度资源信息的时刻，已经超过特定目标的时延要求。因此，UE1在向eNB发送SR之前，需要根据特定目标的时延要求，及时判定是否停止发送SR。
参阅图2所示，本申请实施例提供了停止发送SR的流程示意图。
S201：在有针对特定目标的信息向网络侧请求调度资源的需求后，确定特定目标的时延要求。
可选的，确定特定目标的时延要求方式如下：
若特定目标是逻辑信道，从逻辑信道对应的QoS参数中确定时延要求；或者，
若特定目标是MAC CE，则确定MAC CE的时延要求。其中，本申请实 施例是通过协议或网络侧配置的方式，确定MAC CE的时延要求。
S202：在向网络侧发送SR之前，若确定无法满足特定目标的时延要求，则停止发送SR。
可选的，本申请实施例提供了以下两类判断规则：
规则一：根据设置的时间偏移量，判断是否满足特定目标的时延要求；其中，时间偏移量为发送SR到网络侧分配的SL资源之间的时长，本申请实施例中可通过协议或网络侧确定时间偏移量。
其中，在第一类判断规则中包含以下三种判断方式：
方式A：若定时器的剩余时长等于时间偏移量时，未发送SR，则确定无法满足特定目标的时延要求；
其中，定时器的时长是根据时延要求设置的，定时器的启动时刻为确定有针对特定目标的信息向网络侧请求调度资源的需求的时刻。
特定目标的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量表示发送SR到网络侧分配的SL资源之间的时长。定时器的时长是从所述特定目标的时延要求进行倒计时，因此若定时器的剩余时长等于时间偏移量时，仍未发送SR，意味着之后再将SR发送给网络侧时，将会出现接收到网络侧分配的SL资源的时长，已超过特定目标的时延要求的情况。
具体地，当特定目标是逻辑信道时，参阅图3a的流程示意图和图3b的时间轴示意图进行说明。
S301：根据逻辑信道的时延要求设置定时器T的时长，在逻辑信道生成SR时启动T，以及获取设置的时间偏移量(记作delta T)；
S302：计算T的剩余时长T＇；
S303：判断T＇是否等于delta T，若是，执行步骤304；
S304：判断SR是否已发送，若是，执行步骤305；否则，执行步骤306；
S305：结束判断接收到网络侧分配的SL资源的时长是否满足逻辑通道的时延要求的流程；
S306：停止发送SR。
其中，图3b中的逻辑信道的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量delta T表示发送SR到网络侧分配的SL资源之间的时长，在生成SR时启动定时器。
当特定目标是MAC CE时，参阅图4a的流程示意图和图4b的时间轴示意图进行说明。
S401：根据MAC CE的时延要求设置定时器T的时长，在MAC CE生成SR时启动T，以及获取设置的时间偏移量delta T；
S402：计算T的剩余时长T＇；
S403：判断T＇是否等于delta T，若是，执行步骤404；
S404：判断SR是否已发送，若是，执行步骤405；否则，执行步骤406；
S405：结束判断接收到网络侧分配的SL资源的时长是否满足MAC CE的时延要求的流程；
S406：停止发送SR。
其中，图4b中的MAC CE的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量delta T表示发送SR到网络侧分配的SL资源之间的时长，在生成SR时启动定时器。
方式B：若时间计数器的时长等于特定目标的时延要求与时间偏移量之间的时间差时，未发送SR，则确定无法满足特定目标的时延要求。时间计数器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
特定目标的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量表示发送SR到网络侧分配的SL资源之间的时长，因此，特定目标的时延要求减去时间偏移量得到的时间差，表征SR等待用于承载自身的资源的最大时长。时间计数器的时长是正计时到所述特定目标的时延要求，因此当时间计数器的时长等于特定目标的时延要求与时间偏移量之间的时间差时，仍未发送SR，意味着之后再将SR发送给网络侧时，将会出现接收到网络侧分配的SL资源的时长，已超过特定目标的时延要求的情况。
具体地，当特定目标是逻辑信道时，参阅图5a的流程示意图和图5b的 时间轴示意图进行说明。
S501：在逻辑信道生成SR时启动时间计数器，以及用逻辑信道的时延要求减去时间偏移量，得到时间差；
S502：确定时间计数器的时长C1；
S503：判断C1是否等于所述时间差，若是，执行步骤504；
S504：判断SR是否已发送，若是，执行步骤505；否则，执行步骤506；
S505：结束判断接收到网络侧分配的SL资源的时长是否满足逻辑通道的时延要求的流程；
S506：停止发送SR。
其中，图5b中的逻辑信道的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量delta T表示发送SR到网络侧分配的SL资源之间的时长，在生成SR时启动时间计数器。
当特定目标是MAC CE时，参阅图6a的流程示意图和图6b的时间轴示意图进行说明。
S601：在MAC CE生成SR时启动时间计数器，以及用MAC CE的时延要求减去时间偏移量，得到时间差；
S602：确定时间计数器的时长C1；
S603：判断C1是否等于所述时间差，若是，执行步骤604；
S604：判断SR是否已发送，若是，执行步骤605；否则，执行步骤606；
S605：结束判断接收到网络侧分配的SL资源的时长是否满足MAC CE的时延要求的流程；
S606：停止发送SR。
其中，图6b中的MAC CE的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量delta T表示发送SR到网络侧分配的SL资源之间的时长，在生成SR时启动时间计数器。
方式C：若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大 于特定目标的时延要求与时间偏移量之间的时间差时，未发送SR，则确定无法满足特定目标的时延要求。
针对特定目标的信息向网络侧请求调度资源的当前时刻减去触发时刻得到的时间差，表征SR等待用于承载自身的资源的时长，而特定目标的时延要求减去时间偏移量得到的时间差表征SR等待用于承载自身的资源的最大时长。当针对特定目标的信息向网络侧请求调度资源的当前时刻与触发时刻之间的时间差大于特定目标的时延要求与时间偏移量之间的时间差时，仍未发送SR，意味着之后再将SR发送给网络侧时，将会出现接收到网络侧分配的SL资源的时长，已超过特定目标的时延要求的情况。
具体地，当特定目标是逻辑信道时，参阅图7a的流程示意图和图7b的时间轴示意图进行说明。
S701：确定针对逻辑信道的信息向网络侧请求调度资源的当前时刻t 当，以及用逻辑信道的时延要求减去时间偏移量，得到第一时间差；
S702：用t 当减去针对逻辑信道的信息向网络侧请求调度资源的触发时刻t 触发，得到第二时间差t 差值；
S703：判断t 差值是否大于第一时间差，若是，执行步骤704；
S704：判断SR是否已发送，若是，执行步骤705；否则，执行步骤706；
S705：结束判断接收到网络侧分配的SL资源的时长是否满足逻辑通道的时延要求的流程；
S706：停止发送SR。
其中，图7b中的逻辑信道的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量delta T表示发送SR到网络侧分配的SL资源之间的时长，确定生成SR的触发时刻，以及准备向网络侧发送SR的当前时刻。
当特定目标是MAC CE时，参阅图8a的流程示意图和图8b的时间轴示意图进行说明。
S801：确定针对MAC CE的信息向网络侧请求调度资源的当前时刻t 当， 用MAC CE的时延要求减去时间偏移量，得到第一时间差；
S802：用t 当减去针对MAC CE的信息向网络侧请求调度资源的触发时刻t 触发，得到第二时间差t 差值；
S803：判断t 差值是否大于第一时间差，若是，执行步骤804；
S804：判断SR是否已发送，若是，执行步骤805；否则，执行步骤806；
S805：结束判断接收到网络侧分配的SL资源的时长是否满足MAC CE的时延要求的流程；
S806：停止发送SR。
其中，图8b中的MAC CE的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量delta T表示发送SR到网络侧分配的SL资源之间的时长，确定生成SR的触发时刻，以及准备向网络侧发送SR的当前时刻。
规则二：若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于特定目标的时延要求时，未发送SR，则确定无法满足特定目标的时延要求。
针对特定目标的信息向网络侧请求调度资源的当前时刻减去触发时刻得到的时间差，表征SR等待用于承载自身的资源的时长，而特定目标的时延要求表征UE1获取调度资源信息的最大时长，当时间差大于特定目标的时延要求时，仍未发送SR，意味着之后再将SR发送给网络侧时，将会出现接收到网络侧分配的SL资源的时长，已超过特定目标的时延要求的情况。
具体地，当特定目标是逻辑信道时，参阅图9a的流程示意图和图9b的时间轴示意图进行说明。
S901：确定针对逻辑信道的信息向网络侧请求调度资源的当前时刻t 当；
S902：用t 当减去针对逻辑信道的信息向网络侧请求调度资源的触发时刻t 触发，得到时间差t 差值；
S903：判断t 差值是否大于逻辑信道的时延要求，若是，执行步骤904；
S904：判断SR是否已发送，若是，执行步骤905；否则，执行步骤906；
S905：结束判断接收到网络侧分配的SL资源的时长是否满足逻辑通道的时延要求的流程；
S906：停止发送SR。
其中，图9b中的逻辑信道的时延要求表征UE1获取调度资源信息的最大时长，确定生成SR的触发时刻，以及准备向网络侧发送SR的当前时刻。
当特定目标是MAC CE时，参阅图10a的流程示意图和图10b的时间轴示意图进行说明。
S1001：确定针对MAC CE的信息向网络侧请求调度资源的当前时刻t 当；
S1002：用t 当减去针对MAC CE的信息向网络侧请求调度资源的触发时刻t 触发，得到时间差t 差值；
S1003：判断t 差值是否大于MAC CE的时延要求，若是，执行步骤1004；
S1004：判断SR是否已发送，若是，执行步骤1005；否则，执行步骤1006；
S1005：结束判断接收到网络侧分配的SL资源的时长是否满足MAC CE的时延要求的流程；
S1006：停止发送SR。
其中，图10b中的MAC CE的时延要求表征UE1获取调度资源信息的最大时长，时间偏移量delta T表示发送SR到网络侧分配的SL资源之间的时长，确定生成SR的触发时刻，以及准备向网络侧发送SR的当前时刻。
可选的，在确定无法满足特定目标的时延要求之后，在停止发送SR之前，进一步地，可以针对特定目标的信息向网络侧随机请求资源。其中，在向网络侧发送基于随机接入的调度请求(Random Access Schedule Request，RA-SR)之前，确定RA-SR无法满足特定目标的时延要求时，停止发送RA-SR。
基于同一发明构思，本申请实施例中，提供了一种用户终端，参阅图11所示，至少包括存储器1101和至少一个处理器1102，其中，存储器1101和处理器1102通过通信总线完成相互间的通信；
存储器1101，用于存储程序指令；
处理器1102，用于调用所述存储器中存储的程序指令，按照获得的程序执行在有针对特定目标的信息向网络侧请求调度资源的需求后，确定所述特定目标的时延要求；在向所述网络侧发送SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
可选的，所述确定所述特定目标的时延要求，所述处理器1102用于：
若所述特定目标是逻辑信道，从所述逻辑信道对应的QoS参数中确定时延要求；或者，
若所述特定目标是MAC CE，则确定所述MAC CE的时延要求。
可选的，所述确定所述MAC CE的时延要求，所述处理器1102用于：
通过协议或网络侧配置确定所述MAC CE的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述处理器1102用于：
根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
其中，所述时间偏移量为发送所述SR到确定网络侧分配的SL资源之间的时长。
可选的，所述处理器1102还用于：
通过协议或网络侧配置确定时间偏移量。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器1102用于：
若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
其中，所述定时器的时长是根据所述时延要求设置的，所述定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器1102用于：
若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器1102用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述处理器1102用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，所述处理器1102还用于：
针对特定目标的信息向网络侧随机请求调度资源。
基于同一发明构思，本申请实施例中，还提供了一种停止发送调度请求的装置，参阅图12所示，至少包括确定单元1201和停止发送单元1202，其中，
确定单元1201，用于在需要针对特定目标的信息向网络侧请求调度资源后，确定所述特定目标的时延要求；
停止发送单元1202，用于在向所述网络侧发送SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
可选的，所述确定所述特定目标的时延要求，所述确定单元1201用于：
若所述特定目标是逻辑信道，从所述逻辑信道对应的QoS参数中确定时延要求；或者，
若所述特定目标是MAC CE，则确定所述MAC CE的时延要求。
可选的，所述确定所述MAC CE的时延要求，所述确定单元1201用于：
通过协议或网络侧配置确定所述MAC CE的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述停止发送单元1202用于：
根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
其中，所述时间偏移量为发送所述SR到确定网络侧分配的SL资源之间的时长。
可选的，所述停止发送单元1202还用于：
通过协议或网络侧配置确定时间偏移量。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元1202用于：
若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
其中，所述定时器的时长是根据所述时延要求设置的，所述定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元1202用于：
若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元1202用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，通过下列方式判断是否满足所述特定目标的时延要求，所述停止发送单元1202用于：
若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特 定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
可选的，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，所述停止发送单元1202还用于：
针对特定目标的信息向网络侧随机请求调度资源。
基于同一发明构思，本申请实施例中，提供一种存储介质，至少包括计算机可读指令，当计算机读取并执行所述计算机可读指令时，使得计算机执行前述停止发送调度请求的方法。
综上所述，在需要针对特定目标的信息向网络侧请求调度资源后，确定特定目标的时延要求；在向网络侧发送SR之前，若确定无法满足特定目标的时延要求，则停止发送SR。这样，在向网络侧发送SR之前，若确定无法满足特定目标的时延要求时，提前停止发送SR，可以避免出现超时获取网络侧下发的调度资源信息。
程序产品可以采用一个或多个可读介质的任意组合。可读介质可以是可读信号介质或者可读存储介质。可读存储介质例如可以是但不限于电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。可读存储介质的更具体的例子(非穷举的列表)包括：具有一个或多个导线的电连接、便携式盘、硬盘、随机存取存储器(RAM)、只读存储器(ROM)、可擦式可编程只读存储器(EPROM或闪存)、光纤、便携式紧凑盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。
本申请的实施方式的用于业务控制的程序产品可以采用便携式紧凑盘只读存储器(CD-ROM)并包括程序代码，并可以在计算装置上运行。然而，本申请的程序产品不限于此，在本文件中，可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被命令执行系统、装置或者器件使用或者与其结合使用。
可读信号介质可以包括在基带中或者作为载波一部分传播的数据信号， 其中承载了可读程序代码。这种传播的数据信号可以采用多种形式，包括但不限于电磁信号、光信号或上述的任意合适的组合。可读信号介质还可以是可读存储介质以外的任何可读介质，该可读介质可以发送、传播或者传输用于由命令执行系统、装置或者器件使用或者与其结合使用的程序。
可读介质上包含的程序代码可以用任何适当的介质传输，包括但不限于无线、有线、光缆、RF等，或者上述的任意合适的组合。
可以以一种或多种程序设计语言的任意组合来编写用于执行本申请操作的程序代码，程序设计语言包括面向对象的程序设计语言—诸如Java、C++等，还包括常规的过程式程序设计语言—诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算装置上执行、部分地在用户设备上执行、作为一个独立的软件包执行、部分在用户计算装置上部分在远程计算装置上执行、或者完全在远程计算装置或服务器上执行。在涉及远程计算装置的情形中，远程计算装置可以通过任意种类的网络包括局域网(LAN)或广域网(WAN)连接到用户计算装置，或者，可以连接到外部计算装置(例如利用因特网服务提供商来通过因特网连接)。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (31)

  1. 一种停止发送调度请求的方法，其特征在于，包括：
    在有针对特定目标的信息向网络侧请求调度资源的需求后，确定所述特定目标的时延要求；
    在向所述网络侧发送调度请求SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
  2. 如权利要求1所述的方法，其特征在于，所述确定所述特定目标的时延要求，包括：
    若所述特定目标是逻辑信道，从所述逻辑信道对应的业务质量QoS参数中确定时延要求；或者，
    若所述特定目标是媒体接入层控制单元MAC CE，则确定所述MAC CE的时延要求。
  3. 如权利要求2所述的方法，其特征在于，所述MAC CE的时延要求是预先定义的，或者是由网络侧预先配置的。
  4. 如权利要求1所述的方法，其特征在于，通过下列方式判断是否满足所述特定目标的时延要求：
    根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
    其中，所述时间偏移量为发送所述SR到确定网络侧分配的直接通信链路SL资源之间的时长。
  5. 如权利要求4所述的方法，其特征在于，所述方法还包括：
    通过协议或网络侧配置确定时间偏移量。
  6. 如权利要求4所述的方法，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，包括：
    若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
    其中，所述定时器的时长是从所述特定目标的时延要求进行倒计时，所述 定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
  7. 如权利要求4所述的方法，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，包括：
    若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
    其中，所述时间计数器的时长是正计时到所述特定目标的时延要求，所述时间计数器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
  8. 如权利要求4所述的方法，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，包括：
    若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
  9. 如权利要求1所述的方法，其特征在于，通过下列方式判断是否满足所述特定目标的时延要求：
    若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
  10. 如权利要求1-9任一项所述的方法，其特征在于，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，还包括：
    针对特定目标的信息向网络侧随机请求调度资源。
  11. 一种用户终端，其特征在于，包括：
    存储器，用于存储程序指令；
    处理器，用于调用所述存储器中存储的程序指令，按照获得的程序执行 在有针对特定目标的信息向网络侧请求调度资源的需求后，确定所述特定目标的时延要求；在向所述网络侧发送调度请求SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
  12. 如权利要求11所述的用户终端，其特征在于，所述确定所述特定目标的时延要求，所述处理器用于：
    若所述特定目标是逻辑信道，从所述逻辑信道对应的业务质量QoS参数中确定时延要求；或者，
    若所述特定目标是媒体接入层控制单元MAC CE，则确定所述MAC CE的时延要求。
  13. 如权利要求12所述的用户终端，其特征在于，所述MAC CE的时延要求是预先定义的，或者是由网络侧预先配置的。
  14. 如权利要求11所述的用户终端，其特征在于，通过下列方式判断是否满足所述特定目标的时延要求，所述处理器用于：
    根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
    其中，所述时间偏移量为发送所述SR到确定网络侧分配的直接通信链路SL资源之间的时长。
  15. 如权利要求14所述的用户终端，其特征在于，所述处理器还用于：
    通过协议或网络侧配置确定时间偏移量。
  16. 如权利要求14所述的用户终端，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器用于：
    若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
    其中，所述定时器的时长是从所述特定目标的时延要求进行倒计时，所述定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
  17. 如权利要求14所述的用户终端，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器用于：
    若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
    其中，所述时间计数器的时长是正计时到所述特定目标的时延要求，所述时间计数器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
  18. 如权利要求14所述的用户终端，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述处理器用于：
    若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
  19. 如权利要求11所述的用户终端，其特征在于，通过下列方式判断是否满足所述特定目标的时延要求，所述处理器用于：
    若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
  20. 如权利要求11-19任一项所述的用户终端，其特征在于，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，所述处理器还用于：
    针对特定目标的信息向网络侧随机请求调度资源。
  21. 一种停止发送调度请求的装置，其特征在于，包括：
    确定单元，用于在有针对特定目标的信息向网络侧请求调度资源的需求后，确定所述特定目标的时延要求；
    停止发送单元，用于在向所述网络侧发送调度请求SR之前，若确定无法满足所述特定目标的时延要求，则停止发送所述SR。
  22. 如权利要求21所述的装置，其特征在于，所述确定所述特定目标的 时延要求，所述确定单元用于：
    若所述特定目标是逻辑信道，从所述逻辑信道对应的业务质量QoS参数中确定时延要求；或者，
    若所述特定目标是媒体接入层控制单元MAC CE，则确定所述MAC CE的时延要求。
  23. 如权利要求22所述的装置，其特征在于，所述MAC CE的时延要求是预先定义的，或者是由网络侧预先配置的。
  24. 如权利要求21所述的装置，其特征在于，通过下列方式判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
    根据设置的时间偏移量，判断是否满足所述特定目标的时延要求；
    其中，所述时间偏移量为发送所述SR到确定网络侧分配的直接通信链路SL资源之间的时长。
  25. 如权利要求24所述的装置，其特征在于，所述停止发送单元还用于：
    通过协议或网络侧配置确定时间偏移量。
  26. 如权利要求24所述的装置，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
    若定时器的剩余时长等于所述时间偏移量时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
    其中，所述定时器的时长是从所述特定目标的时延要求进行倒计时，所述定时器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资源的时刻。
  27. 如权利要求24所述的装置，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
    若时间计数器的时长等于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求；
    其中，所述时间计数器的时长是正计时到所述特定目标的时延要求，所述时间计数器的启动时刻为确定需要针对特定目标的信息向网络侧请求调度资 源的时刻。
  28. 如权利要求24所述的装置，其特征在于，根据设置的时间偏移量，判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
    若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求与所述时间偏移量之间的时间差时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
  29. 如权利要求21所述的装置，其特征在于，通过下列方式判断是否满足所述特定目标的时延要求，所述停止发送单元用于：
    若确定针对特定目标的信息向网络侧请求调度资源的当前时刻，与针对特定目标的信息向网络侧请求调度资源的触发时刻之间的时间差，大于所述特定目标的时延要求时，未发送所述SR，则确定无法满足所述特定目标的时延要求。
  30. 如权利要求21-29任一项所述的装置，其特征在于，在确定无法满足所述特定目标的时延要求之后，在停止发送所述SR之前，所述停止发送单元还用于：
    针对特定目标的信息向网络侧随机请求调度资源。
  31. 一种存储介质，其特征在于，包括计算机可读指令，当计算机读取并执行所述计算机可读指令时，使得计算机执行如权利要求1-10任一项所述的方法。
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