WO2022206665A1 - 车联网中的传输资源选择方法、装置及终端 - Google Patents

车联网中的传输资源选择方法、装置及终端 Download PDF

Info

Publication number
WO2022206665A1
WO2022206665A1 PCT/CN2022/083318 CN2022083318W WO2022206665A1 WO 2022206665 A1 WO2022206665 A1 WO 2022206665A1 CN 2022083318 W CN2022083318 W CN 2022083318W WO 2022206665 A1 WO2022206665 A1 WO 2022206665A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
candidate
transmission resources
resource
transmission
Prior art date
Application number
PCT/CN2022/083318
Other languages
English (en)
French (fr)
Inventor
温小然
赵锐
Original Assignee
大唐高鸿智联科技(重庆)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大唐高鸿智联科技(重庆)有限公司 filed Critical 大唐高鸿智联科技(重庆)有限公司
Priority to JP2023551679A priority Critical patent/JP2024507572A/ja
Priority to EP22778847.8A priority patent/EP4301007A1/en
Priority to KR1020237028585A priority patent/KR20230160795A/ko
Publication of WO2022206665A1 publication Critical patent/WO2022206665A1/zh

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • 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
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a transmission resource selection method, device and terminal in the Internet of Vehicles.
  • the user equipment In New Radio-Vehicle to Everything (NR-V2X), the user equipment (User Equipment, UE) at both ends of the transceiver has a power saving requirement.
  • the sending UE In order to meet the power saving requirement, the sending UE will use the The resource selection method based on partial sensing performs channel monitoring and data packet transmission, and the receiving UE will use discontinuous reception (Discontinuous Reception, DRX) to receive data packets.
  • DRX discontinuous Reception
  • packet loss may occur, resulting in reduced reliability of service transmission.
  • the purpose of the present disclosure is to provide a transmission resource selection method, device and terminal in the Internet of Vehicles, so as to solve the problem that the reliability of service transmission cannot be guaranteed in the related art.
  • an embodiment of the present disclosure provides a transmission resource selection method, which is applied to a first terminal, and the method includes:
  • the discontinuous reception DRX configuration parameter of the second terminal and the resource pool configuration parameter of the second terminal, select a candidate transmission resource for the data to be transmitted in the resource selection window;
  • a transmission resource is selected for the to-be-transmitted data.
  • selecting a transmission resource for the data to be transmitted includes:
  • N is the number of times of transmission.
  • selecting an initial transmission resource for the data to be transmitted among the candidate transmission resources includes:
  • the initial transmission resource is selected from the candidate transmission resources, where n is the arrival time of the data to be transmitted, or n is the resource selection or reselection trigger moment.
  • selecting N-1 retransmission resources for the data to be transmitted in the candidate transmission resources including:
  • a retransmission resource is selected from the candidate transmission resources according to a wake-up period of the second terminal, wherein the wake-up period at least includes an activation period of a DRX retransmission timer expected to be started by the second terminal.
  • selecting N-1 retransmission resources for the data to be transmitted in the candidate transmission resources including:
  • a retransmission resource is selected from the candidate transmission resources according to a wake-up period of the second terminal, wherein the wake-up period at least includes an activation period of a DRX retransmission timer expected to be started by the second terminal.
  • selecting N transmission resources for the data to be transmitted from the candidate transmission resources including:
  • M is a positive integer less than or equal to N.
  • the candidate transmission resources include:
  • Y candidate time slots wherein at least some of the Y candidate time slots are located in the DRX activation period of the second terminal after time n, and Y is greater than or equal to the minimum candidate configured or pre-configured by the network side the number of time slots;
  • N candidate transmission resource groups wherein the first candidate transmission resource group is located within the DRX activation period of the second terminal after time n;
  • N is the number of times of transmission
  • n is the arrival time of the data to be transmitted
  • n is the trigger time of resource selection or reselection.
  • Selecting candidate transmission resources for the data to be transmitted in the resource selection window including:
  • time n+T1+X is within the DRX activation period of the second terminal after time n
  • n+T1 is the time The leading edge of the resource selection window
  • X is the first time slot interval
  • the candidate transmission resources include N candidate transmission resource groups, according to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameters of the second terminal, and the resource pool configuration parameters of the second terminal. , select a candidate transmission resource for the data to be transmitted in the resource selection window, including:
  • N-1 candidate transmission resource groups other than the first candidate transmission resource group according to the DRX configuration parameter and the resource pool configuration parameter;
  • the starting position of the first candidate transmission resource group is the starting position of the first candidate transmission resource group.
  • selecting a transmission resource for the data to be transmitted includes:
  • N-1 retransmission resources are selected from the candidate transmission resources, wherein each of the retransmission resources is located in a wake-up period of the second terminal, and the wake-up period is a time period determined according to the DRX configuration parameter.
  • selecting a transmission resource for the data to be transmitted includes:
  • N-1 retransmission resources are selected from N-1 candidate transmission resource groups other than the first candidate transmission resource group; wherein each of the retransmission resources is located in the wake-up period of the second terminal, and the wake-up The period is a period determined according to the DRX configuration parameter.
  • selecting a transmission resource for the data to be transmitted includes:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is a period determined according to the DRX configuration parameter and/or the N transmission resources;
  • M is a positive integer less than or equal to N.
  • selecting a transmission resource for the data to be transmitted includes:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is determined according to the the DRX configuration parameter and/or the time period determined by the N transmission resources;
  • M is a positive integer less than or equal to N.
  • embodiments of the present disclosure further provide a terminal, where the terminal is a first terminal, including: a transceiver, a memory, a processor, and a computer program stored in the memory and running on the processor , the processor implements the steps of the transmission resource selection method according to the first aspect when the processor executes the computer program.
  • an embodiment of the present disclosure further provides a transmission resource selection device, applied to the first terminal, including:
  • a first selection module configured to select candidates for the data to be transmitted in the resource selection window according to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameters of the second terminal, and the resource pool configuration parameters of the second terminal transmission resources;
  • a second selection module configured to select a transmission resource for the to-be-transmitted data from among the candidate transmission resources according to the DRX configuration parameter.
  • embodiments of the present disclosure further provide a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, implements the steps of the transmission resource selection method according to the first aspect.
  • the first terminal selects a resource in the resource selection window according to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameter of the second terminal, and the resource pool configuration parameter of the second terminal. Select a candidate transmission resource for the to-be-transmitted data; secondly, the first terminal further selects a transmission resource for the to-be-transmitted data among the candidate transmission resources according to the DRX configuration parameter.
  • the DRX configuration of the second terminal is fully considered, so that the selected transmission resource can be in the wake-up period of the second terminal, thereby reducing packet loss during data transmission. phenomenon, enabling the terminal to ensure reliable data transmission while reducing power consumption.
  • Figure 1 is a schematic diagram of part of the perception mechanism
  • Figure 2 is a schematic diagram of the basic principle of DRX
  • FIG. 3 is one of the schematic flowcharts of a transmission resource selection method according to an embodiment of the present disclosure
  • FIG. 4 is one of schematic diagrams of selecting candidate transmission resources according to an embodiment of the present disclosure.
  • FIG. 5 is the second schematic diagram of selecting a candidate transmission resource according to an embodiment of the present disclosure.
  • FIG. 6 is one of schematic diagrams of selecting transmission resources according to an embodiment of the present disclosure.
  • FIG. 7 is the second schematic diagram of selecting transmission resources according to an embodiment of the present disclosure.
  • FIG. 8 is one of schematic diagrams of performing DRX by a second terminal according to an embodiment of the present disclosure.
  • FIG. 9 is the second schematic diagram of the second terminal performing DRX according to an embodiment of the present disclosure.
  • FIG. 10 is a second schematic flowchart of a method for selecting a transmission resource according to an embodiment of the present disclosure
  • FIG. 11 is a schematic structural diagram of a transmission resource selection apparatus according to an embodiment of the disclosure.
  • FIG. 12 is a structural block diagram of a terminal according to an embodiment of the present disclosure.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean that B is only determined according to A, and B may also be determined according to A and/or other information.
  • P-UE Pedestrian-User Equipment
  • the premise of the design of the 3GPP R14 LTE V2X standard is to assume that the application layer of the P-UE does not need to continuously receive PC5 V2X messages from other UEs, that is, the P-UE only sends data and does not receive it. data to save power.
  • the sensing process of the P-UE is partial sensing.
  • the partial sensing mechanism is shown in Figure 1.
  • the P-UE determines the positions of the Y subframes in the resource selection window according to the minimum number of candidate subframes Y configured by the network (Y is configured by the high layer parameter minNumCAndidateSF-r14). by listening Resource occupation results on subframes to determine candidate subframes it's usable or not.
  • the set of k values is determined by the parameter gapCandidateSensing-r14 configured by the network. If the kth bit of gapCandidateSensing-r14 is 1, monitoring is performed, otherwise, monitoring is not performed.
  • a base station (eNB) scheduler In a shared channel-based mobile communication system, such as in Long Term Evolution (Long Term Evolution, LTE) technology, the transmission of uplink and downlink data is controlled by a base station (eNB) scheduler.
  • the channel informs the terminal on which resources to send or receive data.
  • the terminal (UE) monitors the control channel, and when detecting scheduling information containing itself, completes data transmission (uplink) or data reception (downlink) according to the instructions on the control channel.
  • a common working mode is that the terminal continuously monitors the control channel and parses each subframe containing its downlink scheduling control channel to determine whether to be scheduled. This way of working can achieve higher efficiency when the amount of terminal data is large and may be frequently scheduled.
  • the arrival frequency of data is low, resulting in the terminal being scheduled less frequently. If the terminal continues to monitor the control channel, it will undoubtedly increase its power consumption.
  • the LTE system adopts the DRX working mode. In this working mode, the terminal periodically monitors the control channel, thus achieving the purpose of saving power.
  • the basic principle of DRX is shown in Figure 2.
  • the monitoring duration on-duration represents the time period during which the terminal UE monitors the control channel, during which the radio frequency channel is open, and continuously monitors the control channel; at other times except on-duration, the UE is in a sleep (Sleep) state, and its radio frequency link Will be turned off and no longer monitor the control channel to save power. Both on-duration appear periodically (Cycle), and the specific cycle is implemented by the eNB configuration.
  • the DRX mechanism of the cellular network considers the arrival model of data services, that is, the arrival of data packets is sudden (it can be understood that once a data packet arrives, more packets will arrive continuously in a short period of time).
  • the LTE DRX process adopts a variety of timers and combines with the Hybrid Automatic Repeat Request (HARQ) process to achieve better power saving performance.
  • HARQ Hybrid Automatic Repeat Request
  • the timers related to DRX mainly include:
  • DRX duration timer (drx-onDurationTimer): the time when the UE periodically wakes up to monitor the control channel.
  • Short DRX cycle Timer In order to better match the characteristics of data service arrival, the cellular network communication system supports the configuration of two DRX cycles: long cycle and short cycle. The on duration timer of the two cycles is the same, but the sleep time is different. In the short cycle, the sleep time is relatively shorter, and the UE can monitor the control channel again faster.
  • the long cycle is mandatory and is the initial state of the DRX process; the short cycle is optional.
  • the short DRX cycle timer sets the duration of the short cycle. After the Short cycle timer times out, the UE will use the long cycle.
  • DRX inactivity timer (drx-InactivityTimer): After DRX is configured, when the UE receives the control signaling of the initial HARQ transmission within the time allowed to monitor the control channel (Active Time), the timer is turned on. Until the timer times out, the UE continuously monitors the control channel. If the UE receives the control signaling of HARQ initial transmission before the drx-InactivityTimer times out, it will terminate and restart the drx-InactivityTimer.
  • HARQ RTT Timer It is divided into drx-HARQ-RTT-TimerDL and drx-HARQ-RTT-TimerUL. The purpose is to make it possible for the UE not to monitor the control channel before the next retransmission to achieve better power saving effect.
  • the first symbol after the physical uplink control channel (Physical Uplink Control Channel, PUCCH) transmission of the UE-related process is started, and this timer will be turned on.
  • PUCCH Physical Uplink Control Channel
  • the UE If the data in the corresponding HARQ process is not successfully decoded after the previous HARQ transmission (the UE feeds back NACK), after the drx-HARQ-RTT-TimerDL times out, the UE turns on the drx-RetransmissionTimerDL. If the data in the corresponding HARQ process is successfully decoded after the previous HARQ transmission (the UE feeds back ACK), the UE does not start drx-RetransmissionTimerDL after the drx-HARQ-RTT-TimerDL timer expires. If only drx-HARQ-RTT-TimerDL is currently running, the UE does not monitor the control channel.
  • HARQ retransmission Timer divided into DRX downlink retransmission timer (drx-RetransmissionTimerDL) and DRX uplink retransmission timer (drx-RetransmissionTimer UL).
  • drx-RetransmissionTimerDL DRX downlink retransmission timer
  • drx-RetransmissionTimer UL DRX uplink retransmission timer
  • the second terminal will monitor the control channel.
  • the duration that the second terminal monitors the control channel is also called Active Time.
  • Active Time is affected by other factors besides the DRX timer.
  • Active Time of LTE Rel-8 UE includes the following times:
  • SFN is the SFN number of the current radio frame
  • subframe number is the number of the current subframe
  • shortDRX_Cycle is the short DRX cycle
  • longDRX_Cycle is the long DRX cycle
  • drxStartOffset is an offset value configured by RRC signaling.
  • the embodiments of the present disclosure provide a method, device, and terminal for selecting transmission resources in the Internet of Vehicles, which solves the problem that packet loss may occur in a communication scenario in which UEs at both ends of the transmission and reception have power saving requirements in the related art. In this case, the reliability of service transmission is reduced.
  • the embodiments of the present disclosure can be applied to communication scenarios where UEs at both ends of the transceiver have power-saving needs.
  • the communication scenarios where UEs at both ends of the transceiver have power-saving needs may include point-to-point (Peer to Peer, P2P) communication scenarios, but not limited to this.
  • an embodiment of the present disclosure provides a transmission resource selection method, which is applied to a first terminal.
  • the method specifically includes the following steps:
  • Step 301 According to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameter of the second terminal, and the resource pool configuration parameter of the second terminal, select a candidate transmission resource for the data to be transmitted in the resource selection window;
  • the number of transmissions includes initial transmission and multiple retransmissions of the next transport block (Transport Block, TB) of the service to be transmitted by the first terminal.
  • Transport Block Transport Block
  • the DRX configuration parameter is a set of DRX configuration parameters, including at least the time period during which the UE monitors the sidelink (for the convenience of description, the time period during which the UE monitors the sidelink) is described in this disclosure. Called the DRX activation period) (such as the running time of drx-onDurationTimer, drx-InactivityTimer, drx-RetransmissionTimerSL), the time period during which the UE does not monitor the sidelink (such as the running time of drx-HARQ-RTT-TimerSL), and the period of DRX (such as drx-Cycle).
  • the terminal needs to wake up and start the drx-onDurationTimer at the starting position of the on-duration of each DRX cycle, that is, start monitoring the control channel.
  • DRX configuration parameters can be configured in any of the following ways:
  • a set of DRX parameters configured by the network side to the second terminal
  • the second terminal autonomously configures and informs a set of DRX parameters on the network side
  • a set of DRX configuration parameters configured to the second terminal by the first terminal with the pre-established connection.
  • the first terminal may obtain the DRX configuration parameters of the second terminal by requesting the network side, or directly obtain the DRX configuration parameters of the second terminal that has established a connection in advance.
  • the resource selection window is a resource selection window determined by the first terminal according to the resource sensing result, wherein the resource selection window is a time period from n+T1 to n+T2, and n is the arrival time of the data to be transmitted, or, n is the trigger moment of resource selection or reselection, wherein the trigger moment of resource selection or reselection is the moment when resource selection or reselection is triggered for the data to be transmitted; 0 ⁇ T 1 ⁇ T proc,1 , T proc,1 means The transmission processing delay of the first terminal; T 2min ⁇ T 2 ⁇ D i , T 2min is the minimum value of T 2 configured by the high layer, and D i is the maximum tolerable delay of the periodic service.
  • the resource selection window includes the DRX activation period of the second terminal after time n, where n is the arrival time of the data to be transmitted, or n is the trigger time of resource selection or reselection, where , the trigger moment of resource selection or reselection is the moment when resource selection or reselection is triggered for the data to be transmitted.
  • Step 302 According to the DRX configuration parameter, among the candidate transmission resources, select a transmission resource for the to-be-transmitted data.
  • this step may be to determine the wake-up period of the second terminal according to the DRX configuration parameters, and further determine whether the selected transmission resource is in the wake-up period, and if the selected transmission resource is not in the wake-up period, the transmission resource may be reselected , until the selected transmission resource is in the wake-up period of the second terminal. That is, this step may be: according to the DRX configuration parameter, among the candidate transmission resources, select a transmission resource for the data to be transmitted, so that the selected transmission resource is located in the wake-up period of the second terminal .
  • the first terminal selects a resource in the resource selection window according to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameter of the second terminal, and the resource pool configuration parameter of the second terminal. Select a candidate transmission resource for the to-be-transmitted data; secondly, the first terminal further selects a transmission resource for the to-be-transmitted data among the candidate transmission resources according to the DRX configuration parameter.
  • the DRX configuration of the second terminal is fully considered, so that the selected transmission resource is in the wake-up period of the second terminal, which reduces the phenomenon of packet loss during data transmission. , so that the terminal can ensure reliable data transmission while reducing power consumption.
  • step 302 according to the DRX configuration parameter, among the candidate transmission resources, select a transmission resource for the to-be-transmitted data, including:
  • N is the number of times of transmission.
  • the manner of selecting the transmission resource may be to select one initial transmission resource first, and then select N-1 retransmission resources, wherein the initial transmission resource is used for the first transmission Retransmission resources are resources used for subsequent transmissions; alternatively, the manner of selecting the transmission resources may also be to select N transmission resources at a time.
  • Manner 1 Select initial transmission resources and N-1 retransmission resources for the data to be transmitted from the candidate transmission resources, specifically including:
  • selecting an initial transmission resource for the to-be-transmitted data among the candidate transmission resources includes:
  • the initial transmission resource is selected from the candidate transmission resources, where n is the arrival time of the data to be transmitted, or n is the resource selection or reselection trigger moment.
  • this step may be to select the initial transmission resource from the candidate transmission resources according to the first on-duration period of the second terminal after time n.
  • selecting N-1 retransmission resources for the data to be transmitted among the candidate transmission resources may include the following two implementations:
  • Implementation mode (1) according to the selected initial transmission resource and/or the DRX configuration parameter, determine the activation period of the DRX retransmission timer expected to be started by the second terminal; and then according to the wake-up of the second terminal a period of time, selecting a retransmission resource from the candidate transmission resources, wherein the wake-up period at least includes an activation period of the DRX retransmission timer expected to be started by the second terminal;
  • Implementation mode (2) according to the selected retransmission resource and/or the DRX configuration parameter, determine the activation period of the DRX retransmission timer expected to be started by the second terminal; and then according to the wake-up of the second terminal period, selecting a retransmission resource from the candidate transmission resources, wherein the wake-up period at least includes an activation period of the DRX retransmission timer expected to be started by the second terminal.
  • resource selection may be performed based on the selected initial transmission resources, or may be selected based on the selected retransmission resources.
  • one retransmission resource is selected, it can be selected based on the initial transmission resource; of course, the second and subsequent retransmission resources can also be selected based on the initial transmission resource; for another example, when the retransmission resource has been selected, it can be selected based on the initial transmission resource.
  • the retransmission resource is used for subsequent retransmission resource selection.
  • Step 1 according to the selected initial transmission resource and/or the DRX configuration parameter, determine the activation period of the DRX retransmission timer expected to be started by the second terminal;
  • the activation period of the DRX retransmission timer expected to be started by the second terminal is the activation period of the DRX retransmission timer of the second terminal related to the initial transmission resource;
  • this step may be as follows: according to the time slot where the selected initial transmission resource is located, the physical sidelink feedback channel (Physical Sidelink Feedback Channel, PSFCH) cycle in the resource pool configuration parameters, and the minimum delay of the HARQ feedback, obtain the second The time slot in which the terminal performs HARQ feedback; further, according to the DRX configuration parameters, the values of drx-HARQ-RTT-TimerSL and drx-RetransmissionTimerSL of the second terminal are obtained to determine the DRX retransmission timer of the second terminal and all Describe the activation period related to the initial transmission resource.
  • PSFCH Physical Sidelink Feedback Channel
  • Step 2 Select a retransmission resource from the candidate transmission resources according to a wake-up period of the second terminal, wherein the wake-up period at least includes an activation period related to the initial transmission resource.
  • retransmission resources are selected from the candidate transmission resources according to the wake-up period of the second terminal, so that the selected retransmission resources can be located in the wake-up period of the second terminal, so that the second The terminal can receive the data sent by the first terminal, which reduces the phenomenon of data loss during data transmission, and improves the reliability of data transmission on the basis of saving energy consumption of the terminal.
  • Step 1 according to the selected retransmission resource and/or the DRX configuration parameter, determine the activation period of the DRX retransmission timer expected to be started by the second terminal;
  • the activation period of the DRX retransmission timer expected to be started by the second terminal is the activation period of the DRX retransmission timer of the second terminal related to the selected retransmission resource;
  • this step may be as follows: according to the time slot where the selected retransmission resource is located, the physical sidelink feedback channel (Physical Sidelink Feedback Channel, PSFCH) cycle in the resource pool configuration parameters, and the minimum delay of the HARQ feedback, obtain the second The time slot in which the terminal performs HARQ feedback; further, according to the DRX configuration parameters, the values of drx-HARQ-RTT-TimerSL and drx-RetransmissionTimerSL of the second terminal are obtained to determine the DRX retransmission timer of the second terminal and all the activation period related to the i-th transmission resource.
  • PSFCH Physical Sidelink Feedback Channel
  • Step 2 According to the wake-up period of the second terminal, select the retransmission resource after the selected retransmission resource from the candidate transmission resources, wherein the wake-up period at least includes the retransmission resource related to the selected retransmission resource. Activation period.
  • retransmission resources are selected from the candidate transmission resources according to the wake-up period of the second terminal, so that the selected retransmission resources can be located in the wake-up period of the second terminal, so that the second The terminal can receive the data sent by the first terminal, which reduces the phenomenon of data loss during data transmission, and improves the reliability of data transmission on the basis of saving energy consumption of the terminal.
  • Step 1 According to the DRX activation period (such as the first on-duration period) of the second terminal after time n, select the initial transmission resource from the candidate transmission resources, where n is the length of the data to be transmitted. Arrival time, or, n is the trigger time of resource selection or reselection, wherein the trigger time of resource selection or reselection is the time when resource selection or reselection is triggered for the data to be transmitted;
  • the candidate transmission resource should overlap with the DRX activation period (eg, the first on-duration period) of the second terminal after time n.
  • Step 2 according to the selected i-th transmission resource and/or the DRX configuration parameter, determine the activation period of the DRX retransmission timer expected to be started by the second terminal;
  • the activation period of the DRX retransmission timer expected to be started by the second terminal is the activation period of the DRX retransmission timer of the second terminal related to the i-th transmission resource;
  • this step may be as follows: according to the time slot where the selected i-th transmission resource is located, the physical sidelink feedback channel (Physical Sidelink Feedback Channel, PSFCH) cycle in the resource pool configuration parameters, and the minimum delay of HARQ feedback, obtain The time slot for the second terminal to perform HARQ feedback; further, according to the DRX configuration parameters, obtain the values of drx-HARQ-RTT-TimerSL and drx-RetransmissionTimerSL of the second terminal to determine the DRX retransmission timer of the second terminal the activation period associated with the i-th transmission resource.
  • PSFCH Physical Sidelink Feedback Channel
  • Step 3 According to the wake-up period of the second terminal, select the i+1th transmission resource from the candidate transmission resources, wherein the wake-up period at least includes the activation period related to the i-th transmission resource, i is a positive integer smaller than N, and the i+1th transmission resource is the retransmission resource.
  • the i+1 th transmission resource is selected from the candidate transmission resources according to the wake-up period of the second terminal, so that the selected i+1 th transmission resource can be located in the second terminal's
  • the wake-up period enables the second terminal to receive the data sent by the first terminal, reduces the phenomenon of data loss during data transmission, and improves the reliability of data transmission on the basis of saving energy consumption by the terminal .
  • this example is described by selecting the i+1th transmission resource from the ith transmission resource that has been selected.
  • the i+2th and i+3th transmission resources can also be selected based on the ith transmission resource. and other transmission resources.
  • Mode 2 Select N transmission resources for the data to be transmitted from the candidate transmission resources, specifically including:
  • Step 1 select N transmission resources from the candidate transmission resources
  • N transmission resources selected in this step need to meet the limitation of the minimum time interval between any two selected resources specified by the relevant technical mechanism.
  • Step 2 According to the N transmission resources and/or the DRX configuration parameters, determine the activation period of the DRX retransmission timer expected to be started by the second terminal.
  • the activation period of the DRX retransmission timer expected to be started by the second terminal in this step is at least N-1 activation periods of the DRX retransmission timer of the second terminal.
  • This step is specifically as follows: according to the time slots where the N transmission resources are located, the PSFCH period in the resource pool configuration parameter, and the minimum delay of HARQ feedback, obtain N-1 time slots for the second terminal to perform HARQ feedback; Then, according to the DRX configuration parameters, the values of drx-HARQ-RTT-TimerSL and drx-RetransmissionTimerSL of the second terminal are obtained, so as to determine the drx-RetransmissionTimerSL of the second terminal according to the obtained multiple parameters At least N-1 activation periods.
  • At least N-1 activation periods of the DRX retransmission timer of the second terminal obtained in this step should be activation periods related to the data to be transmitted;
  • the number of activation periods may be determined according to specific implementations, for example, the number of activation periods may also be N.
  • Step 3 In the case where at least M transmission resources in the N transmission resources are located in the wake-up period of the second terminal, determine that the N transmission resources are transmission resources for transmitting the data to be transmitted, and the The wake-up period includes at least the N-1 activation periods;
  • Step 4 In the case that at least M transmission resources in the N transmission resources are not located in the wake-up period, re-select N transmission resources from the candidate transmission resources;
  • the above steps 3 and 4 are to judge the N transmission resources selected in step 1 to determine whether at least part of the selected N transmission resources should be located in the wake-up period of the second terminal; if at least M If the number of transmission resources are in the wake-up period, it is determined that the currently selected N transmission resources are transmission resources for transmitting data to be transmitted; if less than M transmission resources are in the wake-up period, N transmission resources are reselected.
  • M is a positive integer less than or equal to N.
  • M may depend on the specific implementation of the first terminal or on the resource pool configuration of the first terminal. Of course, M should be greater than or equal to 1.
  • the candidate transmission resources include:
  • Y candidate time slots wherein at least some of the Y candidate time slots are located in the DRX activation period of the second terminal after time n, and Y is greater than or equal to the minimum candidate configured or pre-configured by the network side the number of time slots;
  • N candidate transmission resource groups wherein the first candidate transmission resource group is located within the DRX activation period of the second terminal after time n;
  • N is the number of times of transmission
  • n is the arrival time of the data to be transmitted
  • n is the trigger time of resource selection or reselection
  • the trigger time of resource selection or reselection is to trigger the resource for the data to be transmitted The moment of selection or re-selection.
  • the candidate transmission resources may have two forms, one is Y candidate time slots, that is, the transmission resources of N times of transmission of data to be transmitted are all located in the Y candidate time slots
  • the other is N candidate transmission resource groups, that is, the transmission resources of each transmission of the data to be transmitted are located in one candidate transmission resource group.
  • the number of the minimum candidate time slots can also be configured by high-level signaling.
  • the Y time slots The starting position of Y is located after or coincides with the leading edge of the on-duration period, and the termination positions of Y time slots are located before or coincide with the trailing edge of the resource selection window. That is to say, the Y candidate time slots need to overlap with the DRX activation period of the second terminal after time n.
  • the second terminal by setting the first candidate transmission resource group to be located within the DRX activation period (eg, the first on-duration period) after the second terminal at time n, or by setting the Y candidates At least some of the time slots are located in the DRX activation period (such as the first on-duration period) of the second terminal after time n, so that the initial transmission resource for transmitting the data to be transmitted is located at the time n of the second terminal In the subsequent DRX activation period (such as the first on-duration period), in this way, the second terminal can be enabled to receive the data carried by the initial transmission resource, and the transmission reliability of the data can be improved.
  • the DRX activation period eg, the first on-duration period
  • the Y candidates At least some of the time slots are located in the DRX activation period (such as the first on-duration period) of the second terminal after time n, so that the initial transmission resource for transmitting the data to be transmitted is located at the time n of the second terminal In the
  • step 301 according to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameter of the second terminal, and the second The resource pool configuration parameters of the terminal, in the resource selection window, select candidate transmission resources for the data to be transmitted, including:
  • time n+T1+X is within the DRX activation period of the second terminal after time n
  • n+T1 is the time The leading edge of the resource selection window
  • X is the first time slot interval
  • X is the time between the start of the first time slot (slot) in the Y candidate time slots and the moment of the leading edge (n+T1) of the resource selection window time gap between.
  • Y candidate time slots should meet the following conditions:
  • T DRX_on_start is the leading edge time of the first on-duration of the second terminal after n time
  • T DRX_on_end is the trailing edge time of the first on-duration of the second terminal after n time; that is, Y candidates
  • the time slot must overlap with the DRX activation period (such as the first on-duration period) of the second terminal after time n, and the termination positions of the Y candidate time slots are located before the trailing edge of the resource selection window or at the end of the resource selection window. The trailing edge coincides.
  • step 301 according to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameter of the second terminal, and the first The resource pool configuration parameters of the two terminals, in the resource selection window, select candidate transmission resources for the data to be transmitted, including:
  • Step 1 Determine the time domain starting position of the first candidate transmission resource group as time n+T1+X, where the first candidate transmission resource group is located in the DRX activation period of the second terminal after time n (such as the first on-duration period), n+T1 is the leading edge of the resource selection window, and X is the first time slot interval;
  • X is the time domain gap between the start of the first time slot of the first candidate transmission resource group and the moment of the leading edge (n+T1) of the resource selection window.
  • the first candidate transmission resource group should meet the following conditions:
  • T DRX_on_start is the leading edge time of the first on-duration of the second terminal after n time
  • T DRX_on_end is the trailing edge time of the first on-duration of the second terminal after n time
  • Y 1 is the first candidate
  • the number of time slots included in the transmission resource group is greater than or equal to P, where P is configured or pre-configured by the upper layer. For each initial transmission or retransmission data packet of the current service, the minimum number of candidate time slots in the resource selection window is In other words, the first candidate transmission resource group needs to be located within the first on-duration period of the second terminal after time n.
  • Step 2 According to the DRX configuration parameter and the resource pool configuration parameter, determine N-1 candidate transmission resource groups other than the first candidate transmission resource group;
  • the interval may be ⁇ L 1 , L 2 , ⁇ , L N-1 ⁇ ; wherein, the above-mentioned intervals may be determined according to the specific implementation of the first terminal.
  • Step 3 When it is determined that the last time slot of the Nth candidate transmission resource group exceeds the trailing edge of the resource selection window, adjust at least one of the following parameters:
  • the starting position of the first candidate transmission resource group is the starting position of the first candidate transmission resource group.
  • the candidate transmission resource needs to be adjusted. at least one of the number of time slots in the transmission resource group, the time slot interval between two adjacent candidate transmission resource groups, and the start position of the first candidate transmission resource group, and reselect the initial transmission resource and N-1 retransmission resources, so that the last candidate transmission resource group is located in the resource selection window, so as to realize the selection of transmission resources.
  • each candidate transmission resource group to contain slots.
  • Y is the minimum total number of candidate slots configured by high-layer signaling minNumCandidateSlots.
  • P is the minimum number of candidate slots for each data to be transmitted configured by the high-level signaling minCandidateSlotsPerPacket.
  • T DRX_on_start is The leading edge of the first on-duration period of the second terminal after time n
  • T DRX_on_end is the trailing edge of the first on-duration of the second terminal after time n, that is, Y 1 needs to correspond to the second terminal after time n.
  • the first terminal After judging whether the last time slot of the last candidate transmission resource group exceeds the trailing edge of the resource selection window after the above-mentioned settings, if so, the first terminal reduces the candidate transmission resources on the basis of satisfying the above X and P at least one of the number of time slots in the group, the interval between two adjacent candidate transmission resource groups, and the starting position of the candidate transmission resources, and repeat this step; if not, the selection of the candidate transmission resources is completed.
  • step 302 according to the DRX configuration parameter, in the candidate transmission resource, select a transmission for the to-be-transmitted data Resources, including:
  • Step 1 select an initial transmission resource from the candidate transmission resources, wherein the initial transmission resource is located within the DRX activation (such as the first on-duration) period of the second terminal after time n;
  • this step may be as follows: first, randomly select an initial transmission resource for the initial transmission data to be transmitted among the candidate transmission resources; three on-duration) periods; thirdly, determine whether the currently selected initial transmission resource is located within the DRX activation (such as the first on-duration) period of the second terminal after the n time, if not, re-select the initial transmission resource .
  • the two processes of "first" and “second” do not have a strict sequence relationship, and they can be performed in parallel, or the "second” process can be performed first, and then the "first” process can be performed.
  • Step 2 Select N-1 retransmission resources from the candidate transmission resources, wherein each of the retransmission resources is located in the wake-up period of the second terminal, and the wake-up period is determined according to the DRX configuration parameter. time period.
  • step 2 should be executed after step 1 is completed, that is, after it is determined that the selected initial transmission resource is located at time n, the DRX of the second terminal is activated (such as the first on-duration) After the time period, perform this step again.
  • the retransmission resource when selecting the retransmission resource, it needs to be based on the DRX configuration parameter and the resource pool configuration parameter, as well as the previously selected initial transmission resource (this time the retransmission resource is selected) or the retransmission resource (this time The second and subsequent retransmission resources are selected), and the activation period of the next DRX retransmission timer of the second terminal is obtained, wherein the activation period of the next DRX retransmission timer is the difference between the DRX retransmission timer and the previous DRX retransmission timer.
  • the activation period related to the initial transmission resource or the retransmission resource selected at one time thus, under the condition that the interval restriction between two adjacent transmission resources of the first terminal (for example, the HARQ RTT restriction) is satisfied, the candidate transmission resources are randomly selected Retransmission resources, and further determine whether the selected retransmission resources are located in the wake-up period of the second terminal, if not, re-select the retransmission resources.
  • each time a transmission resource is selected it is determined whether the transmission resource is located in the wake-up period of the second terminal, which ensures that when the currently selected initial transmission resource and N-1 retransmission resources are used for data transmission, the second All terminals can receive the transmitted data, which reduces the situation of data loss and improves the reliability of data transmission.
  • the selection manner of the Y candidate time slots may be selected according to the foregoing optional implementation manner, and the Y candidate time slots must meet the requirements in the foregoing optional implementation manner limitation factor.
  • Step1 The first terminal randomly selects initial transmission resources for the data to be transmitted in the Y candidate time slots, and judges whether the selected initial transmission resources are within the DRX activation (such as the first on duration) period of the second terminal after n time, If not, re-select the initial transmission resource;
  • Step2 According to the PSFCH cycle in the resource pool configuration parameter of the second terminal and the minimum delay of HARQ feedback (as shown in FIG. 6 ), obtain the time slot for the second terminal to perform HARQ feedback; DRX configuration parameters, obtain the values of drx-HARQ-RTT-TimerSL and drx-RetransmissionTimerSL of the second terminal, and determine the next drx-RetransmissionTimerSL activation period;
  • Step3 In the case of satisfying the HARQ RTT restriction of the first terminal, randomly select a retransmission resource, and determine whether the selected retransmission resource is in the wake-up period of the second terminal, if not (as shown in Figure 6), reselect the Retransmit resources.
  • Step4 Select the i-th retransmission resource according to Step2 and Step3 until all N-1 retransmission resources are selected.
  • step 302 according to the DRX configuration parameter, in the candidate transmission resource, select for the to-be-transmitted data Transmission resources, including:
  • Step 1 select an initial transmission resource in the first candidate transmission resource group
  • the first candidate transmission resource group is located within the DRX activation (such as the first on-duration) period of the second terminal after time n. Therefore, this step may be in the first candidate transmission resource group An initial transmission resource is randomly selected, and the initial transmission resource is located in the wake-up period of the second terminal.
  • Step 2 Select N-1 retransmission resources from N-1 candidate transmission resource groups other than the first candidate transmission resource group; wherein each of the retransmission resources is located in the wake-up period of the second terminal,
  • the wake-up period is a period determined according to the DRX configuration parameter.
  • this step specifically includes selecting one retransmission resource in each candidate transmission resource group except the first candidate transmission resource group.
  • a more specific selection process in this step may be as follows: first, according to the PSFCH cycle and the minimum delay of HARQ feedback in the resource pool configuration parameter, obtain the time slot for the second terminal to perform HARQ feedback; according to the DRX configuration parameter, obtain The values of drx-HARQ-RTT-TimerSL and drx-RetransmissionTimerSL of the second terminal determine the activation period of the next drx-RetransmissionTimerSL; secondly, select retransmission resources in the candidate transmission resource group and determine whether the retransmission resources are located in the second terminal's During the wake-up period, if it is not in the candidate transmission resource group, the retransmission resource is re-selected in the candidate transmission resource group; if it is in the candidate transmission resource group, the next retransmission resource is selected in the next candidate transmission resource group.
  • the selection manner of the N candidate transmission resource groups may be selected according to the foregoing manner, and the N candidate transmission resource groups must satisfy the restriction conditions in the foregoing optional implementation manner .
  • Step1 The first terminal randomly selects an initial transmission resource for the data to be transmitted in Y1 ;
  • Step2 According to the PSFCH cycle in the resource pool configuration parameters of the second terminal and the minimum delay of HARQ feedback (the feedback delay in FIG. 7 ), obtain the time slot for receiving the UE to perform HARQ feedback; according to the DRX configuration parameters of the second terminal, Obtain the values of drx-HARQ-RTT-TimerSL and drx-RetransmissionTimerSL of the second terminal, and determine the next drx-RetransmissionTimerSL activation period;
  • Step3 Under the condition that the HARQ RTT restriction of the first terminal is satisfied, randomly select a retransmission resource in Y 2 , and determine whether the selected resource is in the wake-up period of the second terminal (that is, the drx-onDurationTimer or drx-RetransmissionTimerSL activation period), If yes, complete the selection of the retransmission resource, if not, reselect the retransmission resource in Y2 .
  • Step 4 According to Step 2 and Step 3, the selection of the ith retransmission resource is performed in the Y i th candidate transmission resource group until the selection of all N retransmission resources is completed.
  • the candidate transmission resources include Y candidate time slots, according to the DRX configuration parameter, in the candidate transmission resources, select transmission resources for the data to be transmitted, including :
  • Step 1 select N transmission resources from the Y candidate time slots
  • the selected N transmission resources need to meet the limitation of the minimum time interval between any two selected resources specified by the relevant technical mechanism.
  • Step 2 In the case where at least M transmission resources among the N transmission resources are located in the wake-up period of the second terminal, determine that the N transmission resources are transmission resources for transmitting the data to be transmitted, and the The wake-up period is a period determined according to the DRX configuration parameter and/or the N transmission resources;
  • Step 3 In the case that at least M transmission resources in the N transmission resources are not located in the wake-up period, re-select N transmission resources in the Y candidate time slots;
  • the above steps 2 and 3 are to judge the N transmission resources selected in step 1 to determine whether at least part of the selected N transmission resources should be located in the wake-up period of the second terminal; specifically, This step may be: first, determine all wake-up periods of the second terminal according to the time slot where the selected N transmission resources are located and/or the DRX configuration parameter of the second terminal; secondly, determine that the selected N transmission resources are located at The number of wake-up periods of the second terminal, if at least M transmission resources are located in the wake-up period, it is determined that the currently selected N transmission resources are transmission resources for transmitting data to be transmitted; if less than M transmission resources are located in the wake-up period. During the wake-up period, N transmission resources are reselected.
  • M is a positive integer less than or equal to N.
  • M may depend on the specific implementation of the first terminal or on the resource pool configuration of the first terminal. Of course, M should be greater than or equal to 1.
  • the selection manner of the Y candidate time slots may be selected according to the foregoing optional implementation manner, and the Y candidate time slots must meet the requirements in the foregoing optional implementation manner limitation factor.
  • Step1 The first terminal randomly selects initial retransmission resources for N times of transmission of data to be transmitted within Y consecutive slots, and the initial retransmission resources must meet the minimum time interval between any two selected resources specified by the relevant technical mechanism limits.
  • Step 2 Determine all drx-RetransmissionTimerSL activation periods of the receiving UE according to the time slot of the selected initial retransmission resource, the resource pool configuration and the DRX configuration of the receiving UE.
  • Step3 Determine whether all the selected transmission resources are in the wake-up period of the second terminal, or at least M transmission resources are in the wake-up period of the second terminal, if not, repeat Step 1 and Step 2 until the selected transmission resources are in the wake-up period of the second terminal.
  • the transmission resource satisfies the judgment condition of Step 3. where M depends on the first terminal implementation or resource pool configuration and M ⁇ 1.
  • a transmission resource is selected for the to-be-transmitted data include:
  • Step 1 select a transmission resource in each of the candidate transmission resource groups
  • the N transmission resources selected in this step need to meet the limitation of the minimum time interval between any two selected resources specified by the relevant technical mechanism.
  • Step 2 In the case where at least M transmission resources among the N transmission resources are located in the wake-up period of the second terminal, determine that the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period for the time period determined according to the DRX configuration parameter and/or the N transmission resources;
  • Step 3 in the case that at least M transmission resources in the N transmission resources are not located in the wake-up period, reselect a transmission resource from each of the candidate transmission resource groups;
  • the N transmission resources selected in step 1 are judged to determine whether at least M transmission resources among the selected N transmission resources are located in the wake-up period of the second terminal;
  • the steps may be: first, according to the time slot in which the selected N transmission resources are located and/or the DRX configuration parameter of the second terminal, determine all wake-up periods of the second terminal; secondly, determine that the selected N transmission resources are located in the Describe the number of wake-up periods of the second terminal, if at least M transmission resources are located in the wake-up period, it is determined that the currently selected N transmission resources are the transmission resources used for transmitting the data to be transmitted; if less than M transmission resources are located in the wake-up period period, then reselect N transmission resources.
  • M is a positive integer less than or equal to N.
  • M may depend on the specific implementation of the first terminal or on the resource pool configuration of the first terminal. Of course, M should be greater than or equal to 1.
  • the selection manner of the N candidate transmission resource groups may be selected according to the foregoing manner, and the N candidate transmission resource groups must meet the restrictions in the foregoing optional implementation manner condition.
  • Step1 The first terminal randomly selects initial retransmission resources for N times of transmission of the data to be transmitted from the N candidate transmission resource groups. time interval limit. That is, the first terminal selects one transmission resource in each candidate transmission resource group.
  • Step 2 Determine all drx-RetransmissionTimerSL activation periods of the second terminal according to the time slot where the selected initial retransmission resource is located, the resource pool configuration and the DRX configuration of the second terminal.
  • Step3 Determine whether all the selected transmission resources are in the wake-up period of the second terminal, or at least M transmission resources are in the wake-up period of the second terminal, if not, repeat Step 1 and Step 2 until the selected transmission resources are in the wake-up period of the second terminal.
  • the resource satisfies the judgment condition of Step 3. where M depends on UE implementation or resource pool configuration and M ⁇ 1.
  • the method further includes:
  • the data to be transmitted is transmitted on the selected transmission resource.
  • discontinuous reception process of the second terminal is as follows:
  • the second terminal performs PSCCH monitoring during the DRX activation period. After receiving the initial transmission data packet transmitted by the first terminal, the DRX process of the second terminal can be divided into the following situations:
  • the initial transmission packet is successfully decoded.
  • the second terminal does not need to continue to monitor the retransmission, and can go to sleep after the drx-onDurationTimer times out. (If the second terminal supports retransmission based on HARQ ACK/NACK feedback, the ACK is fed back to the first terminal after successfully decoding the data packet).
  • Step1 The second terminal feeds back NACK to the first terminal;
  • Step2 The second terminal starts drx-HARQ-RTT-TimerSL in the first symbol after the NACK transmission ends. If the drx-onDurationTimer does not time out at this time, the second terminal goes to sleep after the drx-onDurationTimer times out, and if the drx-onDurationTimer times out at this time, the second terminal goes to sleep immediately.
  • Step3 The second terminal starts the drx-RetransmissionTimerSL of the current HARQ process at the first symbol after the expiration of the drx-HARQ-RTT-TimerSL to monitor the retransmission data packets.
  • Step 4 After the second terminal successfully decodes the data packet or receives a transmission end indication from the first terminal, and the drx-onDurationTimer times out, it goes to sleep until the drx-onDurationTimer starts again. (If the second terminal supports retransmission based on HARQ ACK/NACK feedback, the ACK is fed back to the first terminal after successfully decoding the data packet).
  • the first terminal sets candidate transmission resources in the resource selection window according to the number of transmissions N, the DRX configuration parameters of the second terminal, and the resource pool configuration parameters of the second terminal;
  • S1002A The first terminal selects an initial transmission resource and N-1 retransmission resources for data to be transmitted from the candidate transmission resources according to the DRX configuration parameter;
  • the first terminal selects all initial retransmission resources for the data to be transmitted from the candidate transmission resources, and the initial retransmission resources need to be selected based on the DRX configuration parameters of the second terminal and satisfy corresponding constraints;
  • the first terminal selects a candidate transmission resource for the to-be-transmitted data in the resource selection window according to the transmission times of the to-be-transmitted data and/or the DRX configuration parameter of the second terminal; And further according to the DRX configuration parameter, among the candidate transmission resources, a transmission resource is selected for the to-be-transmitted data.
  • the DRX configuration of the second terminal is fully considered, so that the selected transmission resource is in the wake-up period of the second terminal, which reduces the phenomenon of packet loss during data transmission. , so that the terminal can ensure reliable data transmission while reducing power consumption.
  • an embodiment of the present disclosure provides an apparatus for selecting transmission resources, which is applied to a first terminal and includes:
  • the first selection module 1101 is configured to select the data to be transmitted in the resource selection window according to the transmission times of the data to be transmitted, the discontinuous reception DRX configuration parameters of the second terminal, and the resource pool configuration parameters of the second terminal. candidate transmission resources;
  • the second selection module 1102 is configured to select a transmission resource for the data to be transmitted among the candidate transmission resources according to the DRX configuration parameter.
  • the second selection module 1102 includes:
  • a first selection submodule configured to select an initial transmission resource and N-1 retransmission resources for the to-be-transmitted data from the candidate transmission resources
  • a second selection submodule configured to select N transmission resources for the data to be transmitted from the candidate transmission resources
  • N is the number of times of transmission.
  • the first selection submodule includes:
  • a first selection unit configured to select the initial transmission resource from the candidate transmission resources according to the DRX activation period of the second terminal after time n, where n is the arrival time of the data to be transmitted, or, n Trigger moment for resource selection or reselection.
  • the first selection submodule includes:
  • a first determining unit configured to determine, according to the selected initial transmission resource and/or the DRX configuration parameter, the activation period of the DRX retransmission timer expected to be started by the second terminal;
  • a second selection unit configured to select a retransmission resource from the candidate transmission resources according to a wake-up period of the second terminal, wherein the wake-up period at least includes an expected start-up DRX retransmission timing of the second terminal the activation period of the device.
  • the first selection submodule includes:
  • a fourth determining unit configured to determine, according to the selected retransmission resource and/or the DRX configuration parameter, the activation period of the DRX retransmission timer expected to be started by the second terminal;
  • a fifth selection unit configured to select a retransmission resource from the candidate transmission resources according to a wake-up period of the second terminal, wherein the wake-up period at least includes a DRX retransmission timer that is expected to be started by the second terminal Activation period.
  • the second selection submodule includes:
  • a third selection unit configured to select N transmission resources from the candidate transmission resources
  • a second determining unit configured to determine, according to the N transmission resources and/or the DRX configuration parameter, the activation period of the DRX retransmission timer expected to be started by the second terminal;
  • a third determining unit configured to determine that the N transmission resources are transmissions for transmitting the to-be-transmitted data when at least M transmission resources among the N transmission resources are located in the wake-up period of the second terminal resources, the wake-up period includes at least the N-1 activation periods;
  • a fourth selection unit configured to reselect N transmission resources from the candidate transmission resources when at least M transmission resources in the N transmission resources are not located in the wake-up period
  • M is a positive integer less than or equal to N.
  • the candidate transmission resources include:
  • Y candidate time slots wherein at least some of the Y candidate time slots are located in the DRX activation period of the second terminal after time n, and Y is greater than or equal to the minimum candidate configured or pre-configured by the network side the number of time slots;
  • N candidate transmission resource groups wherein the first candidate transmission resource group is located within the DRX activation period of the second terminal after time n;
  • N is the number of times of transmission
  • n is the arrival time of the data to be transmitted
  • n is the trigger time of resource selection or reselection.
  • the first selection module 1101 includes:
  • the third selection sub-module is configured to determine that the time domain starting position of the candidate transmission resource is the time n+T1+X when the candidate transmission resource includes Y candidate time slots, where n+T1+ Time X is within the DRX activation period of the second terminal after time n, n+T1 is the leading edge of the resource selection window, and X is the first time slot interval.
  • the first selection module 1101 includes:
  • the fourth selection sub-module is configured to determine the time domain starting position of the first candidate transmission resource group as time n+T1+X when the candidate transmission resource includes N candidate transmission resource groups, wherein all the The first candidate transmission resource group is located in the DRX activation period of the second terminal after time n, where n+T1 is the leading edge of the resource selection window, and X is the first time slot interval;
  • a determination submodule configured to determine N-1 candidate transmission resource groups other than the first candidate transmission resource group according to the DRX configuration parameter and the resource pool configuration parameter;
  • An adjustment submodule configured to adjust at least one of the following parameters when it is determined that the last time slot of the Nth candidate transmission resource group exceeds the trailing edge of the resource selection window:
  • the starting position of the first candidate transmission resource group is the starting position of the first candidate transmission resource group.
  • the second selection module 1102 is specifically configured to:
  • N-1 retransmission resources are selected from the candidate transmission resources, wherein each of the retransmission resources is located in a wake-up period of the second terminal, and the wake-up period is a time period determined according to the DRX configuration parameter.
  • the first selection sub-module is specifically configured to:
  • N-1 retransmission resources are selected from the candidate transmission resources, wherein each of the retransmission resources is located in a wake-up period of the second terminal, and the wake-up period is a time period determined according to the DRX configuration parameter.
  • the second selection module 1102 is specifically configured to:
  • N-1 retransmission resources are selected from N-1 candidate transmission resource groups other than the first candidate transmission resource group; wherein each of the retransmission resources is located in the wake-up period of the second terminal, and the wake-up The period is a period determined according to the DRX configuration parameter.
  • the first selection sub-module is specifically used for:
  • N-1 retransmission resources are selected from N-1 candidate transmission resource groups other than the first candidate transmission resource group; wherein each of the retransmission resources is located in the wake-up period of the second terminal, and the wake-up The period is a period determined according to the DRX configuration parameter.
  • the second selection module 1102 is specifically configured to:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is a period determined according to the DRX configuration parameter and/or the N transmission resources;
  • M is a positive integer less than or equal to N.
  • the second selection sub-module is specifically configured to:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is a period determined according to the DRX configuration parameter and/or the N transmission resources;
  • M is a positive integer less than or equal to N.
  • the second selection module 1102 is specifically configured to:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is determined according to the the DRX configuration parameter and/or the time period determined by the N transmission resources;
  • M is a positive integer less than or equal to N.
  • the second selection sub-module is specifically configured to:
  • selecting a transmission resource for the to-be-transmitted data includes:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is determined according to the the DRX configuration parameter and/or the time period determined by the N transmission resources;
  • M is a positive integer less than or equal to N.
  • the transmission resource selection apparatus of the embodiment of the present disclosure corresponds to the above transmission resource selection method, and all implementation means in the above transmission resource selection method are applicable to the embodiment of the transmission resource selection apparatus, and the same technical effect can also be achieved.
  • an embodiment of the present disclosure further provides a terminal, where the terminal is specifically a first terminal, including: a processor 1200; and a bus interface connected to the processor 1200
  • the connected memory 1220 is used for storing programs and data used by the processor 1200 when performing operations, and the processor 1200 calls and executes the programs and data stored in the memory 1220 .
  • the transceiver 1210 is connected to the bus interface for receiving and sending data under the control of the processor 1200; the processor 1200 is used to read the program in the memory 1220 and execute the following steps:
  • the discontinuous reception DRX configuration parameter of the second terminal and the resource pool configuration parameter of the second terminal, select a candidate transmission resource for the data to be transmitted in the resource selection window;
  • a transmission resource is selected for the to-be-transmitted data.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1200 and various circuits of memory represented by memory 1220 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 1210 may be a number of elements, including transmitters and transceivers, that provide means for communicating with various other devices over a transmission medium.
  • the user interface 1230 may also be an interface that can externally and internally connect a required device, and the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1200 is responsible for managing the bus architecture and general processing, and the memory 1220 may store data used by the processor 1200 in performing operations.
  • the processor 1200 when the processor 1200 is configured to select a transmission resource for the to-be-transmitted data from among the candidate transmission resources according to the DRX configuration parameter, the processor 1200 is specifically configured to:
  • N is the number of times of transmission.
  • processor 1200 when the processor 1200 is configured to select an initial transmission resource for the data to be transmitted among the candidate transmission resources, it is specifically configured to:
  • the initial transmission resource is selected from the candidate transmission resources, where n is the arrival time of the data to be transmitted, or n is the resource selection or reselection trigger moment.
  • the processor 1200 is configured to select N-1 retransmission resources for the to-be-transmitted data from the candidate transmission resources, including:
  • a retransmission resource is selected from the candidate transmission resources according to a wake-up period of the second terminal, wherein the wake-up period at least includes an activation period of a DRX retransmission timer expected to be started by the second terminal.
  • the processor 1200 is configured to select N-1 retransmission resources for the to-be-transmitted data from the candidate transmission resources, including:
  • a retransmission resource is selected from the candidate transmission resources according to a wake-up period of the second terminal, wherein the wake-up period at least includes an activation period of a DRX retransmission timer expected to be started by the second terminal.
  • the processor 1200 when the processor 1200 is configured to select N transmission resources for the to-be-transmitted data from the candidate transmission resources, the processor 1200 is specifically configured to:
  • M is a positive integer less than or equal to N.
  • the candidate transmission resources selected by the processor 1200 for the data to be transmitted in the resource selection window include:
  • Y candidate time slots wherein at least some of the Y candidate time slots are located in the DRX activation period of the second terminal after time n, and Y is greater than or equal to the minimum candidate configured or pre-configured by the network side the number of time slots;
  • N candidate transmission resource groups wherein the first candidate transmission resource group is located within the DRX activation period of the second terminal after time n;
  • N is the number of times of transmission
  • n is the arrival time of the data to be transmitted
  • n is the trigger time of resource selection or reselection.
  • the processor 1200 is configured to perform a function according to the number of transmissions of the data to be transmitted, the discontinuous reception DRX configuration parameter of the second terminal, and the first time slot.
  • the resource pool configuration parameters of the second terminal, when selecting candidate transmission resources for the data to be transmitted in the resource selection window, are specifically used for:
  • time n+T1+X is within the DRX activation period of the second terminal after time n
  • n+T1 is the time The leading edge of the resource selection window
  • X is the first time slot interval
  • the processor 1200 is configured to perform a function according to the number of transmissions of the data to be transmitted, the discontinuous reception DRX configuration parameter of the second terminal, and the The resource pool configuration parameters of the second terminal, when selecting candidate transmission resources for the data to be transmitted in the resource selection window, are specifically used for:
  • N-1 candidate transmission resource groups other than the first candidate transmission resource group according to the DRX configuration parameter and the resource pool configuration parameter;
  • the starting position of the first candidate transmission resource group is the starting position of the first candidate transmission resource group.
  • the processor 1200 is configured to select, according to the DRX configuration parameter, the candidate transmission resource for the data to be transmitted in the candidate transmission resource.
  • Transmission resources including:
  • N-1 retransmission resources are selected from the candidate transmission resources, wherein each of the retransmission resources is located in a wake-up period of the second terminal, and the wake-up period is a time period determined according to the DRX configuration parameter.
  • the processor 1200 is configured to, according to the DRX configuration parameter, in the candidate transmission resource, be the data to be transmitted.
  • selecting a transport resource it is specifically used to:
  • N-1 retransmission resources are selected from N-1 candidate transmission resource groups other than the first candidate transmission resource group; wherein each of the retransmission resources is located in the wake-up period of the second terminal, and the wake-up The period is a period determined according to the DRX configuration parameter.
  • the processor 1200 is configured to select, according to the DRX configuration parameter, the candidate transmission resource for the data to be transmitted in the candidate transmission resource.
  • transferring resources it is specifically used for:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is a period determined according to the DRX configuration parameter and/or the N transmission resources;
  • M is a positive integer less than or equal to N.
  • the processor 1200 is configured to, according to the DRX configuration parameter, in the candidate transmission resource, be the data to be transmitted.
  • selecting a transport resource it is specifically used to:
  • the N transmission resources are transmission resources for transmitting the data to be transmitted, and the wake-up period is determined according to the the DRX configuration parameter and/or the time period determined by the N transmission resources;
  • M is a positive integer less than or equal to N.
  • the data to be transmitted is selected in the resource selection window for the data to be transmitted.
  • a candidate transmission resource is selected; secondly, according to the DRX configuration parameter, among the candidate transmission resources, a transmission resource is selected for the data to be transmitted.
  • an embodiment of the present disclosure further provides a computer-readable storage medium, where a program is stored on the readable storage medium, and when the program is executed by a processor, each process of the above-mentioned transmission resource selection method embodiment is implemented, and can achieve The same technical effect, in order to avoid repetition, will not be repeated here.
  • the computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk, or an optical disk.
  • each component or each step can be decomposed and/or recombined.
  • These disaggregations and/or recombinations should be considered equivalents of the present disclosure.
  • the steps for performing the above-mentioned series of processes may naturally be performed in the order described or in chronological order, but need not necessarily be performed in chronological order, and some steps may be performed in parallel or independently of each other.
  • Those of ordinary skill in the art can understand all or any steps or components of the method and device of the present disclosure. , software, or a combination thereof, which can be implemented by those of ordinary skill in the art using their basic programming skills after reading the description of the present disclosure.
  • the objects of the present disclosure can also be achieved by running a program or set of programs on any computing device.
  • the computing device may be a known general purpose device. Therefore, the objects of the present disclosure can also be achieved merely by providing a program product containing program code for implementing the method or apparatus. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure.
  • the storage medium can be any known storage medium or any storage medium developed in the future.
  • the disclosed apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on such understanding, the technical solutions of the present disclosure can be embodied in the form of software products in essence, or the parts that contribute to the prior art or the parts of the technical solutions.
  • the computer software products are stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of the present disclosure.
  • the aforementioned storage medium includes: U disk, removable hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM) or the like.

Abstract

本公开公开了一种车联网中的传输资源选择方法、装置及终端，涉及通信技术领域，该方法应用于第一终端，该方法包括：根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。

Description

车联网中的传输资源选择方法、装置及终端
相关申请的交叉引用
本公开主张在2021年3月30日在中国提交的中国专利申请号No.202110342817.7，以及在2022年3月22日在中国提交的中国专利申请号No.202210286013.4的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其是涉及一种车联网中的传输资源选择方法、装置及终端。
背景技术
在新空口-车用无线通信(New Radio-Vehicle to Everything，NR-V2X)中，对于收发两端用户设备(User Equipment，UE)均有省电需求，为了满足省电需求，发送UE将采用基于部分感知(partial sensing)的资源选择方法来进行信道监听和数据包的传输，接收UE将采用非连续接收(Discontinuous Reception，DRX)的方式来进行数据包的接收。然而，在这种通信场景中，可能会发生数据包丢失的情况，导致业务传输的可靠性下降。
发明内容
本公开的目的在于提供一种车联网中的传输资源选择方法、装置及终端，从而解决相关技术中无法保证业务传输的可靠性的问题。
第一方面，本公开的实施例提供一种传输资源选择方法，应用于第一终端，所述方法包括：
根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；
根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。
可选地，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在所述候选传输资源中为所述待传输数据选择初传资源和N-1个重传资源；
或者，
在所述候选传输资源中为所述待传输数据选择N个传输资源；
其中，N为所述传输次数。
可选地，在所述候选传输资源中为所述待传输数据选择初传资源，包括：
根据所述第二终端在n时刻后的DRX激活时段，在所述候选传输资源中选择所述初传资源，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
可选地，在所述候选传输资源中为所述待传输数据选择N-1个重传资源，包括：
根据已选择的初传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括所述第二终端的预期启动的DRX重传定时器的激活时段。
可选地，在所述候选传输资源中为所述待传输数据选择N-1个重传资源，包括：
根据已选择的重传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括第二终端的预期启动的DRX重传定时器的激活时段。
可选地，在所述候选传输资源中为所述待传输数据选择N个传输资源，包括：
在所述候选传输资源中选择N个传输资源；
根据所述N个传输资源和/或所述DRX配置参数，确定所述第二终端预 期启动的DRX重传定时器的激活时段；
在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段至少包括所述N-1个激活时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述候选传输资源中重新选择N个传输资源；
其中，M为小于或等于N的正整数。
可选地，所述候选传输资源包括：
Y个候选时隙，其中，所述Y个候选时隙中的至少部分时隙位于所述第二终端在n时刻后的DRX激活时段内，Y大于或等于网络侧配置或预配置的最小候选时隙的个数；
或者，
N个候选传输资源组，其中，第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内；
其中，N为所述传输次数，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源，包括：
确定所述候选传输资源的时域起始位置为n+T1+X时刻，其中，n+T1+X时刻位于所述第二终端在n时刻后的DRX激活时段内，n+T1为所述资源选择窗口的前沿，X为第一时隙间隔。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源，包括：
确定第一个候选传输资源组的时域起始位置为n+T1+X时刻，其中，所述第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内， n+T1为所述资源选择窗口的前沿，X为第一时隙间隔；
根据所述DRX配置参数和所述资源池配置参数，确定所述第一个候选传输资源组以外的N-1个候选传输资源组；
在确定第N个候选传输资源组的最后一个时隙超过所述资源选择窗口的后沿的情况下，调整下述至少一项参数：
所述候选传输资源组内的时隙个数；
相邻两个所述候选传输资源组之间的时隙间隔；
所述第一个候选传输资源组的起始位置。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在所述候选传输资源中选择一个初传资源，其中，所述初传资源位于所述第二终端在n时刻后的DRX激活时段内；
在所述候选传输资源中选择N-1个重传资源，其中，各所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在第一个候选传输资源组中选择一个初传资源；
在除第一个候选传输资源组以外的N-1个候选传输资源组中选择N-1个重传资源；其中，各个所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在所述Y个候选时隙中选择N个传输资源；
在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所 述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述Y个候选时隙中重新选择N个传输资源；
其中，M为小于或等于N的正整数。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在每一个所述候选传输资源组中选择一个传输资源；
在N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在每一个所述候选传输资源组中分别重新选择一个传输资源；
其中，M为小于或等于N的正整数。
第二方面，本公开的实施例还提供一种终端，所述终端为第一终端，包括：收发机、存储器、处理器及存储在所述存储器上并在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现如第一方面所述的传输资源选择方法的步骤。
第三方面，本公开的实施例还提供一种传输资源选择装置，应用于第一终端，包括：
第一选择模块，用于根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；
第二选择模块，用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。
第四方面，本公开的实施例还提供一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如第一方面所述的传输资源选择方法的步骤。
本公开的上述技术方案至少具有如下有益效果：
本公开实施例的传输资源选择方法中，首先，第一终端根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；其次，第一终端进一步根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。这样，第一终端在为所述待传输数据选择传输资源时，充分考虑了第二终端的DRX配置，使得选择的传输资源能够处于第二终端的唤醒时段，减少了数据传输过程中的丢包的现象，使得终端能够在减少功耗的同时保证数据传输的可靠传输。
附图说明
图1为部分感知机制的示意图；
图2为DRX的基本原理示意图；
图3为本公开实施例的传输资源选择方法的流程示意图之一；
图4为本公开实施例的选择候选传输资源的示意图之一；
图5为本公开实施例的选择候选传输资源的示意图之二；
图6为本公开实施例的选择传输资源的示意图之一；
图7为本公开实施例的选择传输资源的示意图之二；
图8为本公开实施例的第二终端进行DRX的示意图之一；
图9为本公开实施例的第二终端进行DRX的示意图之二；
图10为本公开实施例的传输资源选择方法的流程示意图之二；
图11为本公开实施例的传输资源选择装置的结构示意图；
图12为本公开实施例的终端的结构框图。
具体实施方式
为使本公开要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。在下面的描述中，提供诸如具体的配置和组件的特定细节仅仅是为了帮助全面理解本公开的实施例。因此，本领域技术人员应该清楚，可以对这里描述的实施例进行各种改变和修改而不脱离本公开的范围和精神。另外，为了清楚和简洁，省略了对已知功能和构造的描 述。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本公开的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。
在本公开的各种实施例中，应理解，下述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本公开实施例的实施过程构成任何限定。
在本公开所提供的实施例中，应理解，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
在进行本公开实施例的说明时，首先对下面描述中所用到的一些概念进行解释说明。
一、部分感知(partial sensing)
第三代合作伙伴计划长期演进车用无线通信14候选版本(3rd Generation Partnership Project Release 14 Long Term Evolution Vehicle to Everything，3GPP R14 LTE V2X)中引入了支持便携终端(Pedestrian-User Equipment，P-UE)的新特性。考虑到P-UE持续接收带来的功耗问题，3GPP R14 LTE V2X标准设计的前提是假设P-UE的应用层不需要持续接收其他UE的PC5 V2X消息，即P-UE只发数据不收数据，以达到省电目的。P-UE的感知(sensing)过程为partial sensing。partial sensing机制如图1所示。P-UE根据网络配置的最小的候选子帧个数Y(Y由高层参数minNumCAndidateSF-r14配置)，确定在资源选择窗口中的Y个子帧的位置。通过监听
Figure PCTCN2022083318-appb-000001
子帧上的资源占用结果，确定候选子帧
Figure PCTCN2022083318-appb-000002
是否可用。其中k值的集合是通过网络配置的参数gapCandidateSensing-r14确定的，如果gapCandidateSensing-r14的第k比特为1，则进行监听，否则不进行监听。
二、非连续接收DRX
在基于共享信道的移动通信系统中，例如长期演进(Long Term Evolution， LTE)技术中，上下行数据的传输由基站(eNB)调度器负责控制，当调度器确定调度某用户时，将通过控制信道通知终端在何种资源上发送或接收数据。终端(UE)监听控制信道，当检测到包含自己的调度信息时，根据控制信道上的指示完成数据的发送(上行)或接收(下行)。在激活状态下，由于终端不确定eNB何时对其进行调度，因此一种常见的工作模式为，终端连续监听控制信道，对每个包含其下行调度控制信道的子帧都进行解析，以判断是否被调度。这种工作方式在终端数据量较大，可能被频繁调度的情况下能获得较高的效率。然而对某些业务而言，数据的到达频率较低，导致终端被调度的次数也较小，如果终端仍然连续监听控制信道，无疑会增加其耗电量。为了解决耗电问题，LTE系统采用了DRX工作模式，在这种工作模式下，终端周期性的对控制信道进行监听，因而达到节电的目的。
三、DRX基本原理
DRX的基本原理如图2所示。其中监听持续期on-duration表示终端UE监听控制信道的时间段，其间射频通道打开，并连续监听控制信道；除去on-duration之外的其它时间，UE处于休眠(Sleep)状态，其射频链路将被关闭，不再监听控制信道，以达到省电的目的。on-duration都是周期性出现(Cycle)，具体周期由eNB配置实现。
蜂窝网络的DRX机制考虑了数据业务的到达模型，即数据分组的到达是突发的(可以理解为，一旦有数据分组到达，那么会在较短时间内连续到达较多的分组)。为了适应这种业务到达特点，LTE DRX过程采用了多种定时器，并与混合自动重传请求(Hybrid Automatic Repeat reQuest，HARQ)过程相结合，以期达到更好的节电性能。
四、与DRX相关的定时器主要包括：
1、DRX持续时间定时器(drx-onDurationTimer):UE周期性醒来监听控制信道的时间。
2、短DRX周期定时器(Short DRX cycle Timer)：为了更好的配合数据业务到达的特点，蜂窝网络通信系统支持配置两种DRX cycle：长周期(long cycle)和短周期(short cycle)。两种cycle的on duration timer相同，但sleep的时间不一样。在short cycle中，sleep时间相对更短，UE可以更快地再次 监听控制信道。long cycle是必须配置的，并且是DRX过程的初始状态；short cycle是可选的。short DRX cycle timer设置了采用short cycle持续的时间。Short cycle timer超时后，UE将使用long cycle。
3、DRX非活动定时器(drx-InactivityTimer)：配置了DRX后，当UE在允许监听控制信道的时间内(Active Time)收到HARQ初始传输的控制信令时打开该定时器，在该定时器超时之前，UE连续监听控制信道。如果在drx-InactivityTimer超时前，UE收到HARQ初始传输的控制信令，将终止并重新启动drx-InactivityTimer。
4、HARQ RTT Timer：分为drx-HARQ-RTT-TimerDL和drx-HARQ-RTT-TimerUL，目的是使UE有可能在下次重传到来前不监听控制信道，达到更好的节电效果。以下行为例，UE相关进程的物理上行控制信道(Physical Uplink Control Channel，PUCCH)传输之后的第一个符号启动，将打开此定时器。如果对应HARQ进程中的数据在前一次HARQ传输后解码不成功(UE反馈NACK)，在drx-HARQ-RTT-TimerDL超时后，UE打开drx-RetransmissionTimerDL。如果对应HARQ进程中的数据在前一次HARQ传输后解码成功(UE反馈ACK)，在drx-HARQ-RTT-TimerDL定时器超时后，UE不启动drx-RetransmissionTimerDL。如果当前只有drx-HARQ-RTT-TimerDL运行，UE不监听控制信道。
5、HARQ重传定时器(HARQ retransmission Timer)：分为DRX下行重传定时器(drx-RetransmissionTimerDL)和DRX上行重传定时器(drx-RetransmissionTimer UL)。以下行为例，在drx-RetransmissionTimerDL运行期间，UE监听控制信令，等待对应HARQ进程的重传调度。
五、关于DRX下活动时间/唤醒时段(Active time)定义
在drx-onDurationTimer、HARQ retransmission Timer和Inactivity Timer中有任何一个定时器正在运行，第二终端都将监听控制信道。第二终端监听控制信道的持续时间又称为Active Time。
在LTE系统中Active Time除了受DRX timer的影响外还有其它因素影响，LTE Rel-8 UE的Active Time包括如下时间：
(1)drx-onDurationTimer、drx-InactivityTimer、drx-RetransmissionTimerDL、 drx-RetransmissionTimerUL或者竞争解决定时器(ra-ContentionResolutionTimer)运行的时间；
(2)UE发送上行调度请求(Scheduling Request，SR)后等待基站发送物理下行控制信道(Physical Downlink Control Channel，PDCCH)的时间；
(3)非竞争随机接入UE接收到随机接入响应(Random Access Response，RAR)后等待小区无线网络临时标识(Cell Radio Network Temporary Identifier，C-RNTI)调度的PDCCH的时间。
需要说明的是，Common DRX下on-duration计算可以如下：
(1)对于short DRX cycle，on-duration计算公式如下：
[SFN×10+subframe number]modulo(shortDRX_Cycle)＝(drxStartOffset)modulo(shortDRX_Cycle)；
(2)对于long DRX cycle，on-duration的计算公式如下：
[SFN×10+subframe number]modulo(longDRX_Cycle)＝(drxStartOffset)；
其中：SFN为当前无线帧的SFN编号；subframe number为当前子帧的编号；shortDRX_Cycle为短DRX周期；longDRX_Cycle为长DRX周期；drxStartOffset为RRC信令配置的一个偏移值。
具体地，本公开实施例提供了一种车联网中的传输资源选择方法、装置及终端，解决了相关技术中对于收发两端UE均有省电需求的通信场景中可能会发生数据包丢失的情况，导致业务传输的可靠性下降的问题，本公开实施例可以应用于收发两端UE均有省电需求的通信场景，具体的，收发两端UE均有省电需求的通信场景可以包括点对点(Peer to Peer，P2P)通信场景，但不仅限于此。
第一实施例
如图3所示，本公开的实施例提供了一种传输资源选择方法，应用于第一终端，该方法具体包括以下步骤：
步骤301：根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；
本步骤中，该传输次数包括第一终端待传输业务的下一个传输块(Transport Block，TB)的初始传输以及多次重传。
这里，需要说明的是，DRX配置参数为一组DRX配置参数，至少包括UE监听直通链路(sidelink)的时间段(为了便于描述，本公开中将UE监听直通链路(sidelink)的时间段称之为DRX激活时段)(如drx-onDurationTimer、drx-InactivityTimer、drx-RetransmissionTimerSL运行的时间)、UE不监听sidelink的时间段(如drx-HARQ-RTT-TimerSL运行的时间)以及DRX的周期(如drx-Cycle)。其中，终端在每个DRX周期的on-duration的起始位置都要醒来启动drx-onDurationTimer，即开始监听控制信道。
这里，还需要说明的是，DRX配置参数可以为采用下述任一种方式配置：
网络侧配置给第二终端的一组DRX参数；
第二终端从网络侧配置的多组DRX配置参数中选择的一组DRX配置参数；
第二终端自主配置并告知网络侧的一组DRX参数；
第二终端自行确定(根据预配置)并报给预先连接建立的第一终端的一组DRX参数；
由预先建立连接的第一终端配置给第二终端的一组DRX配置参数。
另外，第一终端可以通过向网络侧请求获取第二终端的DRX配置参数，或者，直接获取预先建立连接的第二终端的DRX配置参数。
本步骤中，资源选择窗口为第一终端根据资源感知结果确定的资源选择窗口，其中，该资源选择窗口为n+T1到n+T2时间段，n为该待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻，其中，资源选择或重选的触发时刻是为待传输数据触发资源选择或重选的时刻；0≤T 1≤T proc,1，T proc,1表示第一终端的发送处理时延；T 2min≤T 2≤D i，T 2min为高层配置的T 2的最小值，D i为周期性业务的最大容忍延迟。
另外，还需要说明的是，该资源选择窗口中包括第二终端在n时刻之后的DRX激活时段，n为该待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻，其中，资源选择或重选的触发时刻是为待传输数据触发资源选择或重选的时刻。
步骤302：根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。
本步骤中，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，使得所选择的传输资源能够位于第二终端的唤醒时段，如此，减少了数据包丢失的现象，提高了数据传输的可靠性。具体的，该步骤可以为根据DRX配置参数，确定第二终端的唤醒时段，并进一步判断所选择的传输资源是否位于唤醒时段，若所选择的传输资源没有位于唤醒时段，则可以重新选择传输资源，直至所选择的传输资源位于第二终端的唤醒时段。亦即，本步骤可以为：根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，使所选择的所述传输资源位于所述第二终端的唤醒时段。
本公开实施例的传输资源选择方法中，首先，第一终端根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；其次，第一终端进一步根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。这样，第一终端在为所述待传输数据选择传输资源时，充分考虑了第二终端的DRX配置，使得选择的传输资源处于第二终端的唤醒时段，减少了数据传输过程中丢包的现象，使得终端能够在减少功耗的同时保证数据的可靠传输。
作为一个可选的实现方式，步骤302，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在所述候选传输资源中为所述待传输数据选择初传资源和N-1个重传资源；
或者，
在所述候选传输资源中为所述待传输数据选择N个传输资源；
其中，N为所述传输次数。
也就是说，在本可选的实现方式中，选择所述传输资源的方式可以为首先选择一个初传资源，然后再选择N-1个重传资源，其中，初传资源是用于第一次传输的资源，重传资源是用于后续传输的资源；或者，选择所述传输资源的方式还可以为一次选择N个传输资源。下面，分别对上述两种选择传输资源的方式进行说明：
方式一：在所述候选传输资源中为所述待传输数据选择初传资源和N-1个重传资源，具体包括：
在所述候选传输资源中为所述待传输数据选择初传资源，以及，在所述候选传输资源中为所述待传输数据选择N-1个重传资源两个步骤；
具体的，在所述候选传输资源中为所述待传输数据选择初传资源包括：
根据所述第二终端在n时刻后的DRX激活时段，在所述候选传输资源中选择所述初传资源，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
例如，本步骤可以是根据所述第二终端在n时刻后的第一个on-duration时段，在所述候选传输资源中选择所述初传资源。
具体的，在所述候选传输资源中为所述待传输数据选择N-1个重传资源，可以包括如下两种实现方式：
实现方式(1)：根据已选择的初传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；进而根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括所述第二终端的预期启动的DRX重传定时器的激活时段；
实现方式(2)：根据已选择的重传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；进而根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括第二终端的预期启动的DRX重传定时器的激活时段。
也就是说，在为所述待传输数据选择N-1个重传资源时，可以基于已选择的初传资源进行资源选择，也可以基于已选择的重传资源进行选择，如，在选择第一个重传资源时，可以基于初传资源进行选择；当然，也可以基于初传资源进行第二个及以后的重传资源的选择；再如，在已选择了重传资源时，可以基于该重传资源进行后续的重传资源的选择。
下面，对实现方式(1)的一个具体实现过程进行说明：
步骤一：根据已选择的初传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
例如，所述第二终端的预期启动的DRX重传定时器的激活时段为所述第 二终端的DRX重传定时器与所述初传资源相关的激活时段；
本步骤具体可以为：根据已选择的初传资源所在的时隙、资源池配置参数中的物理直通链路反馈信道(Physical Sidelink Feedback Channel，PSFCH)周期和HARQ反馈的最小时延，获取第二终端进行HARQ反馈的时隙；进一步根据所述DRX配置参数，获取第二终端的drx-HARQ-RTT-TimerSL和drx-RetransmissionTimerSL的值，以确定所述第二终端的DRX重传定时器与所述初传资源相关的激活时段。
步骤二：根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括与所述初传资源相关的激活时段。
本步骤通过根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，如此，使得所选择的重传资源能够位于所述第二终端的唤醒时段，使得所述第二终端能够接收到所述第一终端所发送的数据，减少了数据传输过程中数据丢失的现象，在满足终端节约能耗的基础上，提高了数据传输的可靠性。
下面，对实现方式(2)的一个具体实现过程进行说明：
步骤一：根据已选择的重传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
例如，所述第二终端的预期启动的DRX重传定时器的激活时段为所述第二终端的DRX重传定时器与已选择的重传资源相关的激活时段；
本步骤具体可以为：根据已选择的重传资源所在的时隙、资源池配置参数中的物理直通链路反馈信道(Physical Sidelink Feedback Channel，PSFCH)周期和HARQ反馈的最小时延，获取第二终端进行HARQ反馈的时隙；进一步根据所述DRX配置参数，获取第二终端的drx-HARQ-RTT-TimerSL和drx-RetransmissionTimerSL的值，以确定所述第二终端的DRX重传定时器与所述第i个传输资源相关的激活时段。
步骤二：根据所述第二终端的唤醒时段，在所述候选传输资源中选择已选择的重传资源之后的重传资源，其中，所述唤醒时段至少包括与已选择的重传资源相关的激活时段。
本步骤通过根据所述第二终端的唤醒时段，在所述候选传输资源中选择 重传资源，如此，使得所选择的重传资源能够位于所述第二终端的唤醒时段，使得所述第二终端能够接收到所述第一终端所发送的数据，减少了数据传输过程中数据丢失的现象，在满足终端节约能耗的基础上，提高了数据传输的可靠性。
下面，对实现方式(1)和实现方式(2)的通用的资源选择过程进行说明：
步骤一：根据所述第二终端在n时刻后的DRX激活时段(如第一个on-duration时段)，在所述候选传输资源中选择所述初传资源，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻，其中，资源选择或重选的触发时刻是为待传输数据触发资源选择或重选的时刻；
也就是说，候选传输资源应与第二终端在n时刻后的DRX激活(如第一个on-duration时段)时段有重叠。
步骤二：根据已选择的第i个传输资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
例如，所述第二终端的预期启动的DRX重传定时器的激活时段为所述第二终端的DRX重传定时器与所述第i个传输资源相关的激活时段；
本步骤具体可以为：根据已选择的第i个传输资源所在的时隙、资源池配置参数中的物理直通链路反馈信道(Physical Sidelink Feedback Channel，PSFCH)周期和HARQ反馈的最小时延，获取第二终端进行HARQ反馈的时隙；进一步根据所述DRX配置参数，获取第二终端的drx-HARQ-RTT-TimerSL和drx-RetransmissionTimerSL的值，以确定所述第二终端的DRX重传定时器与所述第i个传输资源相关的激活时段。
步骤三：根据所述第二终端的唤醒时段，在所述候选传输资源中选择第i+1个传输资源，其中，所述唤醒时段至少包括与所述第i个传输资源相关的激活时段，i为小于N的正整数，所述第i+1个传输资源为所述重传资源。
本步骤通过根据所述第二终端的唤醒时段，在所述候选传输资源中选择第i+1个传输资源，如此，使得所选择的第i+1个传输资源能够位于所述第二终端的唤醒时段，使得所述第二终端能够接收到所述第一终端所发送的数据，减少了数据传输过程中数据丢失的现象，在满足终端节约能耗的基础上，提 高了数据传输的可靠性。
需要说明的是，本示例是以已选择的第i个传输资源选择第i+1个传输资源进行说明的，当然，也可以基于第i个传输资源选择第i+2个、i+3个等传输资源。
方式二：在所述候选传输资源中为所述待传输数据选择N个传输资源，具体包括：
步骤一：在所述候选传输资源中选择N个传输资源；
这里，需要说明的是，本步骤所选择的N个传输资源需满足相关技术机制规定的任意两个选定资源之间的最小时间间隔的限制。
步骤二：根据所述N个传输资源和/或所述DRX配置参数，确定所述第二终端预期启动的DRX重传定时器的激活时段。
例如，本步骤中所述第二终端预期启动的DRX重传定时器的激活时段为所述第二终端的DRX重传定时器的至少N-1个激活时段。
本步骤具体为，根据所述N个传输资源所在的时隙、所述资源池配置参数中的PSFCH周期和HARQ反馈的最小时延，获取第二终端进行HARQ反馈的N-1个时隙；然后，根据所述DRX配置参数，获取所述第二终端的drx-HARQ-RTT-TimerSL和drx-RetransmissionTimerSL的值，以根据获取的上述多个参数，确定所述第二终端的drx-RetransmissionTimerSL的至少N-1个激活时段。
这里，需要说明的是，一者，本步骤获取的第二终端的DRX重传定时器的至少N-1个激活时段应是与待传输数据相关的激活时段；二者，本步骤中获取的激活时段的个数可以根据具体实现确定，如，激活时段的个数还可以为N个。
步骤三：在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段至少包括所述N-1个激活时段；
步骤四：在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述候选传输资源中重新选择N个传输资源；
也就是说，上述步骤三和步骤四是对步骤一所选择的N个传输资源进行 判断，确定所选择的N个传输资源中是否至少部分传输资源应位于第二终端的唤醒时段；若至少M个传输资源位于唤醒时段，则确定当前选择的N个传输资源为用于传输待传输数据的传输资源；若少于M个传输资源位于唤醒时段，则重新选择N个传输资源。
其中，M为小于或等于N的正整数。
这里，需要说明的是，M可以取决于第一终端的具体实现或取决于第一终端的资源池配置，当然，M应大于或等于1。
作为一个可选的实现方式，所述候选传输资源包括：
Y个候选时隙，其中，所述Y个候选时隙中的至少部分时隙位于所述第二终端在n时刻后的DRX激活时段内，Y大于或等于网络侧配置或预配置的最小候选时隙的个数；
或者，
N个候选传输资源组，其中，第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内；
其中，N为所述传输次数，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻，其中，资源选择或重选的触发时刻是为待传输数据触发资源选择或重选的时刻。
也就是说，在本公开的实施例中，候选传输资源可以有两种形式，一种是Y个候选时隙，即：待传输数据的N次传输的传输资源均位于该Y个候选时隙内；另一种是N个候选传输资源组，即：待传输数据的每一次传输的传输资源位于一个候选传输资源组中。
这里，需要说明的是，最小候选时隙的个数还可以由高层信令配置，另外，如图4所示，在所述候选传输资源为Y个连续时隙的情况下，Y个时隙的起始位置位于该on-duration时段的前沿之后或者与该on-duration时段的前沿重合，Y个时隙的终止位置位于资源选择窗口的后沿之前或者与资源选择窗口的后沿重合。也就是说，Y个候选时隙需与n时刻后第二终端的DRX激活时段有重叠。
本可选实现方式中，通过将第一个候选传输资源组设置为位于所述第二终端在n时刻后的DRX激活时段(如第一个on-duration时段)内，或者， 将Y个候选时隙中的至少部分时隙位于所述第二终端在n时刻后的DRX激活时段(如第一个on-duration时段)内，使得传输待传输数据的初传资源位于第二终端在n时刻后的DRX激活时段(如第一个on-duration时段)，如此，能够使得第二终端能够接收到初传资源所承载的数据，提高数据的传输可靠性。
作为一个可选的实现方式，在所述候选传输资源包括Y个候选时隙的情况下，步骤301，根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源，包括：
确定所述候选传输资源的时域起始位置为n+T1+X时刻，其中，n+T1+X时刻位于所述第二终端在n时刻后的DRX激活时段内，n+T1为所述资源选择窗口的前沿，X为第一时隙间隔。
也就是说，在本可选实现方式中，如图4所示，X为Y个候选时隙中的第一个时隙(slot)的开始与资源选择窗口的前沿(n+T1)时刻之间的时域间隙。
这里，需要说明的是，Y个候选时隙应满足如下条件：
T DRX_on_start≤n+T1+X≤T DRX_on_end且n+T1+X+Y≤n+T2；
其中，T DRX_on_start为n时刻后第二终端的第一个on-duration的前沿时刻，T DRX_on_end为n时刻后第二终端的第一个on-duration的后沿时刻；也就是说，Y个候选时隙需与n时刻后第二终端的DRX激活时段(如第一个on-duration时段)有重叠，且Y个候选时隙的终止位置位于资源选择窗口的后沿之前或者与资源选择窗口的后沿重合。
作为一个可选的实现方式，在所述候选传输资源包括N个候选传输资源组的情况下，步骤301，根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源，包括：
步骤一：确定第一个候选传输资源组的时域起始位置为n+T1+X时刻，其中，所述第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段(如第一个on-duration时段)内，n+T1为所述资源选择窗口的前沿，X 为第一时隙间隔；
也就是说，X为第一个候选传输资源组的第一个时隙的开始与资源选择窗口的前沿(n+T1)时刻之间的时域间隙。
这里，需要说明的是，第一个候选传输资源组应满足如下条件：
n+T1+X≥T DRX_on_start且n+T1+X+Y 1≤T DRX_on_end；
其中，T DRX_on_start为n时刻后第二终端的第一个on-duration的前沿时刻，T DRX_on_end为n时刻后第二终端的第一个on-duration的后沿时刻；Y 1为第一个候选传输资源组所包含的时隙个数，大于或等于P，P为高层配置或预配置的，对于当前业务的每个初传或重传数据包，在资源选择窗口中最小候选时隙的个数；也就是说，第一个候选传输资源组需位于n时刻后第二终端的第一个on-duration时段内。
步骤二：根据所述DRX配置参数和所述资源池配置参数，确定所述第一个候选传输资源组以外的N-1个候选传输资源组；
这里，需要说明的是，每一个候选传输资源组的最后一个时隙与其相邻的下一个候选传输资源组的第一个时隙之间应具有时隙间隔，其间隔可以依次为{L 1，L 2，…，L N-1}；其中，上述各个间隔可以根据第一终端的具体实现确定。
步骤三：在确定第N个候选传输资源组的最后一个时隙超过所述资源选择窗口的后沿的情况下，调整下述至少一项参数：
所述候选传输资源组内的时隙个数；
相邻两个所述候选传输资源组之间的时隙间隔；
所述第一个候选传输资源组的起始位置。
也就是说，在选择了初传资源和N-1个重传资源之后，需要进一步确定最后一个候选传输资源的最后一个时隙是否位于所述资源选择窗口中，若不位于，则需调整候选传输资源组内的时隙个数、相邻两个候选传输资源组之间的时隙间隔和第一个候选传输资源组的起始位置中的至少一个，并重新选择所述初传资源和N-1个重传资源，以使得最后一个候选传输资源组位于所述资源选择窗口中，从而实现传输资源的选择。
下面，对本可选的实现方式的实现过程进行说明：
A)设置每个候选传输资源组均包含
Figure PCTCN2022083318-appb-000003
个时隙(slots)。Y为高层信令 minNumCandidateSlots配置的最小总候选slots数。
或者，设置每个候选传输资源组的资源数依次为{Y 1，Y 2，…，Y N}，且对于任意Y i∈{Y 1，Y 2，…，Y N}，满足Y i≥P，P为高层信令minCandidateSlotsPerPacket配置的每个待传输数据的最小候选slots数。
B)设置候选传输资源的时域起始位置为n+T1+X时刻。X为Y 1的第一个slot的开始与n+T1时刻之间的时域间隔，满足：n+T1+X≥T DRX_on_start且n+T1+X+Y 1≤T DRX_on_end，其中T DRX_on_start为n时刻后第二终端的第一个on-duration时段的前沿，T DRX_on_end为n时刻后第二终端的第一个on-duration的后沿，即Y 1需对应于n时刻后第二终端的第一个on duration内。
C)在Y 1内预估初传资源位置(如位于Y 1的中间时隙)。
D)根据第二终端的DRX配置参数和资源池配置参数，计算该初传资源对应传输NACK的时隙，以及下一个drx-RetransmissionTimerSL激活时段。
E)如图5所示，在drx-RetransmissionTimerSL激活时段预估重传资源所在时隙(如，该时段的中间时隙)，并相应在资源选择窗口中设置Y 2的位置(如，使得预估重传资源处于Y 2的中间时隙)，Y 1的最后一个slot和Y 2的第一个slot之间的间隔为L1。
F)依据D)和E)设置第Y i个候选传输资源组，直至完成全部N个候选传输资源组的设置。记录每个候选传输资源组的最后一个slot和下一个候选传输资源候选传输资源组的第一个slot之间的间隔依次为{L 1，L 2，…，L N}。
G)判断按上述设置后，最后一个候选传输资源组的最后一个时隙是否超过该资源选择窗口的后沿，如果是，则第一终端在满足上述X和P的基础上，减少候选传输资源组内的时隙个数、相邻两个候选传输资源组之间的间隔和候选传输资源的起始位置中的至少一个，并重复执行该步骤；如果否，则完成候选传输资源的选择。
作为一个可选的实现方式，在所述候选传输资源包括Y个候选时隙的情况下，步骤302，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
步骤一：在所述候选传输资源中选择一个初传资源，其中，所述初传资源位于所述第二终端在n时刻后的DRX激活(如第一个on-duration)时段内；
本步骤具体可以为：第一，在所述候选传输资源中为待传输的初传数据随机选择一个初传资源，第二，根据所述DRX配置参数，确定n时刻后DRX激活(如第一个on-duration)时段；第三，判断当前选择的初传资源是否位于n时刻后第二终端的DRX激活(如第一个on-duration)时段内，若不位于，则重新选择初传资源。其中，“第一”和“第二”两个过程并没有严格的时序先后关系，两者可以并行进行，也可以先执行“第二”过程，再执行“第一”过程。
步骤二：在所述候选传输资源中选择N-1个重传资源，其中，各所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
这里，需要说明的是，步骤二应是在步骤一完成之后执行的步骤，也就是说，在确定选择的初传资源位于n时刻后第二终端的DRX激活(如第一个on-duration)时段之后，再执行本步骤。
其中，在选择重传资源时，需要根据所述DRX配置参数和所述资源池配置参数，以及，前一次选择的初传资源(本次选择的是重传资源)或重传资源(本次选择的是第二个及以后的重传资源)，获取第二终端的下一个DRX重传定时器的激活时段，其中，下一个DRX重传定时器的激活时段是DRX重传定时器与前一次选择的初传资源或重传资源相关的激活时段；从而在满足第一终端的相邻两个传输资源之间间隔限制(例如，HARQ RTT限制)的情况下，在候选传输资源中随机选择重传资源，并进一步判断所选的重传资源是否位于第二终端的唤醒时段，若不位于，则重新选择该重传资源。
本可选实现方式中，每选择一个传输资源即判断该传输资源是否位于第二终端的唤醒时段，确保了利用当前选择的初传资源和N-1个重传资源进行数据传输时，第二终端均能够接收到传输的数据，减少了数据丢失的情况，提高了数据传输的可靠性。
这里，需要说明的是，在本可选的实现方式中，Y个候选时隙的选择方式可以按照前述可选的实现方式进行选择，且Y个候选时隙需满足前述可选实现方式中的限制条件。
下面，结合图6，对本可选的实现方式的实现过程进行说明：
Step1：第一终端在Y个候选时隙内为待传输数据随机选择初传资源，判断所选初传资源是否处于n时刻后第二终端的DRX激活(如第一个on duration)时段内，如果否，则重选该初传资源；
Step2：根据第二终端的资源池配置参数中的PSFCH周期和HARQ反馈的最小时延(如图6中所示的反馈延迟)，获取第二终端进行HARQ反馈的时隙；根据第二终端的DRX配置参数，获取第二终端的drx-HARQ-RTT-TimerSL和drx-RetransmissionTimerSL的值，确定下一个drx-RetransmissionTimerSL激活时段；
Step3：在满足第一终端的HARQ RTT限制的情况下，随机选择重传资源，判断所选重传资源是否处于第二终端的唤醒时段，如果否(如图6所示)，则重选该重传资源。
Step4：依据Step2和Step3进行第i个重传资源的选择，直至完成全部N-1个重传资源的选择。
作为一个可选的实现方式，在所述候选传输资源包括N个候选传输资源组的情况下，步骤302，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
步骤一：在第一个候选传输资源组中选择一个初传资源；
这里，需要说明的是，第一个候选传输资源组位于n时刻后第二终端的DRX激活(如第一个on-duration)时段内，因此，本步骤可以在第一个候选传输资源组中随机选择一个初传资源，且所述初传资源位于第二终端的唤醒时段。
步骤二：在除第一个候选传输资源组以外的N-1个候选传输资源组中选择N-1个重传资源；其中，各个所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
也就是说，本步骤具体为，在除第一个候选传输资源组以外的每一个候选传输资源组中选择一个重传资源。本步骤更具体的选择过程可以为：首先，根据所述资源池配置参数中的PSFCH周期和HARQ反馈的最小时延，获取第二终端进行HARQ反馈的时隙；根据所述DRX配置参数，获取第二终端drx-HARQ-RTT-TimerSL和drx-RetransmissionTimerSL的值，确定下一个 drx-RetransmissionTimerSL的激活时段；其次，在候选传输资源组中选择重传资源并判断重传资源是否位于第二终端的醒来时段，若不位于，则重新在该候选传输资源组中选择重传资源，若位于，则在下一个候选传输资源组中选择下一个重传资源。
这里，需要说明的是，在本可选的实现方式中，N个候选传输资源组的选择方式可以按照前述方式进行选择，且N个候选传输资源组需满足前述可选实现方式中的限制条件。
下面，结合图7，对本可选的实现方式的实现过程进行说明：
Step1：第一终端在Y 1内为待传输数据随机选择初传资源；
Step2：根据第二终端的资源池配置参数中的PSFCH周期和HARQ反馈的最小时延(图7中的反馈延迟)，获取接收UE进行HARQ反馈的时隙；根据第二终端的DRX配置参数，获取第二终端的drx-HARQ-RTT-TimerSL和drx-RetransmissionTimerSL的值，确定下一个drx-RetransmissionTimerSL激活时段；
Step3：在满足第一终端的HARQ RTT限制的条件下，在Y 2中随机选择重传资源，判断所选资源是否处于第二终端的唤醒时段(即drx-onDurationTimer或drx-RetransmissionTimerSL激活时段)，如果是，则完成该重传资源的选择，如果否，则在Y 2中重新选择重传资源。
Step4：依据Step2和Step3在第Y i个候选传输资源组中进行第i个重传资源的选择，直至完成全部N个重传资源的选择。
作为一个可选的实现方式，在所述候选传输资源包括Y个候选时隙的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
步骤一：在所述Y个候选时隙中选择N个传输资源；
这里，需要说明的是，选择的N个传输资源需满足相关技术机制规定的任意两个选定资源之间的最小时间间隔的限制。
步骤二：在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定 的时段；
步骤三：在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述Y个候选时隙中重新选择N个传输资源；
也就是说，上述步骤二和步骤三是对步骤一所选择的N个传输资源进行判断，确定所选择的N个传输资源中是否至少部分传输资源应位于第二终端的唤醒时段；具体的，本步骤可以为：首先，根据选择的N个传输资源所在的时隙和/或第二终端的所述DRX配置参数，确定第二终端的所有唤醒时段；其次，确定选择的N个传输资源位于所述第二终端的唤醒时段的个数，若至少M个传输资源位于唤醒时段，则确定当前选择的N个传输资源为用于传输待传输数据的传输资源；若少于M个传输资源位于唤醒时段，则重新选择N个传输资源。
其中，M为小于或等于N的正整数。
这里，需要说明的是，M可以取决于第一终端的具体实现或取决于第一终端的资源池配置，当然，M应大于或等于1。
这里，需要说明的是，在本可选的实现方式中，Y个候选时隙的选择方式可以按照前述可选的实现方式进行选择，且Y个候选时隙需满足前述可选实现方式中的限制条件。
下面，对本可选的实现方式的实现过程进行说明：
Step1：第一终端在Y个连续的slots内为待传输数据的N次传输随机选择初重传资源，所述初重传资源需满足相关技术机制规定的任意两个选定资源之间的最小时间间隔的限制。
Step2：根据所选初重传资源所在时隙、接收UE的资源池配置和DRX配置，确定接收UE的所有drx-RetransmissionTimerSL激活时段。
Step3：判断是否全部被选择的发送资源均处于第二终端的唤醒时段，或者，至少有M个传输资源处于第二终端的唤醒时段，如果否，则重复执行步骤Step1和步骤Step2，直至所选传输资源满足Step3的判断条件。其中M取决于第一终端实现或资源池配置且M≥1。
作为一个可选的实现方式，在所述候选传输资源包括N个候选传输资源组的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传 输数据选择传输资源，包括：
步骤一：在每一个所述候选传输资源组中选择一个传输资源；
同样的，本步骤中选择的N个传输资源需满足相关技术机制规定的任意两个选定资源之间的最小时间间隔的限制。
步骤二：在N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
步骤三：在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在每一个所述候选传输资源组中分别重新选择一个传输资源；
也就是说，步骤二和步骤三是对步骤一所选择的N个传输资源进行判断，确定所选择的N个传输资源中是否至少M个传输资源位于第二终端的唤醒时段；具体的，本步骤可以为：首先，根据选择的N个传输资源所在的时隙和/或第二终端的所述DRX配置参数，确定第二终端的所有唤醒时段；其次，判断选择的N个传输资源位于所述第二终端的唤醒时段的个数，若至少M个传输资源位于唤醒时段，则确定当前选择的N个传输资源为用于传输待传输数据的传输资源；若少于M个传输资源位于唤醒时段，则重新选择N个传输资源。
其中，M为小于或等于N的正整数。
这里，需要说明的是，M可以取决于第一终端的具体实现或取决于第一终端的资源池配置，当然，M应大于或等于1。
这里，还需要说明的是，在本可选的实现方式中，N个候选传输资源组的选择方式可以按照前述方式进行选择，且N个候选传输资源组需满足前述可选实现方式中的限制条件。
下面，对本可选的实现方式的实现过程进行说明：
Step1：第一终端在N个候选传输资源组中分别为待传输数据的N次传输随机选择初重传资源，所述初重传资源需满足相关技术机制规定的任意两个选定资源之间的最小时间间隔的限制。即：第一终端在每个候选传输资源组中选择一个传输资源。
Step2：根据所选初重传资源所在时隙、第二终端的资源池配置和DRX 配置，确定第二终端的所有drx-RetransmissionTimerSL激活时段。
Step3：判断是否全部被选择的传输资源均处于第二终端的唤醒时段，或者，至少有M个传输资源处于第二终端的唤醒时段，如果否，则重复执行步骤Step1和步骤Step2，直至所选资源满足步骤Step3的判断条件。其中M取决于UE实现或资源池配置且M≥1。
这里，需要说明的是，在第一终端为所述待传输数据选择传输资源之后，所述方法还包括：
在选择的所述传输资源上传输所述待传输数据。
具体的，在第一个传输资源(初传资源)上传输所述待传输数据(初传数据包)；
在接收到第二终端反馈的NACK之后，在第二个传输资源(第一个重传资源)上传输所述待传输数据(重传数据包)；
在接收到第二终端反馈的ACK或在预设时间段内未接收到第二终端反馈的NACK或ACK的情况下，停止传输所述待传输数据；或者，在第N个传输资源上传输该待传输数据之后，停止传输所述待传输数据。
这里，还需要说明的是，第二终端非连续接收过程如下：
第二终端在DRX激活时段进行PSCCH的监听，当接收到第一终端传输的初传数据包后，第二终端的DRX过程可分为以下几种情况：
情况1：
如图8所示，初传数据包被成功解码。第二终端无需继续监听重传，在drx-onDurationTimer超时后即可进入休眠。(如果第二终端支持基于HARQ ACK/NACK反馈的重传，则在成功解码数据包后，向第一终端反馈ACK)。
情况2：
初传数据包未被成功解码。第二终端需要继续监听重传，此时第二终端的DRX过程如图9所示，为：
Step1：第二终端向第一终端反馈NACK；
Step2：第二终端在NACK传输结束后的第一个符号，启动drx-HARQ-RTT-TimerSL。若此时drx-onDurationTimer未超时，则第二终端在drx-onDurationTimer超时后进入休眠，若此时drx-onDurationTimer已超时， 则第二终端立刻进入休眠。
Step3：第二终端在drx-HARQ-RTT-TimerSL到期后的第一个符号，启动当前HARQ进程的drx-RetransmissionTimerSL，进行重传数据包的监听。
Step4：第二终端在成功解码数据包后或收到第一终端的传输结束指示，且drx-onDurationTimer超时后进入睡眠，直至drx-onDurationTimer再次启动。(如果第二终端支持基于HARQ ACK/NACK反馈的重传，则在成功解码数据包后，向第一终端反馈ACK)。
下面，结合图10，对本公开实施例的传输资源选择方法的实现过程进行说明：
S1001：第一终端根据传输次数N、第二终端的DRX配置参数和第二终端的资源池配置参数，在资源选择窗口中设置候选传输资源；
S1002A：第一终端根据所述DRX配置参数，从所述候选传输资源中为待传输数据选择初传资源和N-1个重传资源；
S1002B：第一终端从候选传输资源中为待传输数据选择所有初重传资源，且初重传资源需要基于第二终端的DRX配置参数选择且满足对应的限制条件；
S1003：第二终端在收到初传数据包但未成功解码时，向第一终端反馈NACK，并启动drx-HARQ-RTT-TimerSL，在drx-HARQ-RTT-TimerSL超时后启动drx-RetransmissionTimerSL，并进行重传数据包的监听；
S1004：第二终端成功解码数据包后，停止drx-RetransmissionTimerSL并进入休眠，第一终端在收到ACK或没有收到NACK后，不再进行数据包的传输。
本公开实施例的传输资源选择方法，第一终端根据待传输数据的传输次数和/或第二终端的非连续接收DRX配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；并进一步根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。这样，第一终端在为所述待传输数据选择传输资源时，充分考虑了第二终端的DRX配置，使得选择的传输资源处于第二终端的唤醒时段，减少了数据传输过程中丢包的现象，使得终端能够在减少功耗的同时保证数据的可靠传输。
如图11所示，本公开实施例提供了一种传输资源选择装置，应用于第一终端，包括：
第一选择模块1101，用于根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；
第二选择模块1102，用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。
可选地，第二选择模块1102包括：
第一选择子模块，用于在所述候选传输资源中为所述待传输数据选择初传资源和N-1个重传资源；
或者，
第二选择子模块，用于在所述候选传输资源中为所述待传输数据选择N个传输资源；
其中，N为所述传输次数。
可选地，所述第一选择子模块包括：
第一选择单元，用于根据所述第二终端在n时刻后的DRX激活时段，在所述候选传输资源中选择所述初传资源，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
可选地，所述第一选择子模块包括：
第一确定单元，用于根据已选择的初传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
第二选择单元，用于根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括所述第二终端的预期启动的DRX重传定时器的激活时段。
可选地，所述第一选择子模块包括：
第四确定单元，用于根据已选择的重传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
第五选择单元，用于根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括第二终端的预期启动的 DRX重传定时器的激活时段。
可选地，所述第二选择子模块包括：
第三选择单元，用于在所述候选传输资源中选择N个传输资源；
第二确定单元，用于根据所述N个传输资源和/或所述DRX配置参数，确定所述第二终端预期启动的DRX重传定时器的激活时段；
第三确定单元，用于在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段至少包括所述N-1个激活时段；
第四选择单元，用于在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述候选传输资源中重新选择N个传输资源；
其中，M为小于或等于N的正整数。
可选地，所述候选传输资源包括：
Y个候选时隙，其中，所述Y个候选时隙中的至少部分时隙位于所述第二终端在n时刻后的DRX激活时段内，Y大于或等于网络侧配置或预配置的最小候选时隙的个数；
或者，
N个候选传输资源组，其中，第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内；
其中，N为所述传输次数，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
可选地，所述第一选择模块1101包括：
第三选择子模块，用于在所述候选传输资源包括Y个候选时隙的情况下，确定所述候选传输资源的时域起始位置为n+T1+X时刻，其中，n+T1+X时刻位于所述第二终端在n时刻后的DRX激活时段内，n+T1为所述资源选择窗口的前沿，X为第一时隙间隔。
可选地，所述第一选择模块1101包括：
第四选择子模块，用于在所述候选传输资源包括N个候选传输资源组的情况下，确定第一个候选传输资源组的时域起始位置为n+T1+X时刻，其中，所述第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内， n+T1为所述资源选择窗口的前沿，X为第一时隙间隔；
确定子模块，用于根据所述DRX配置参数和所述资源池配置参数，确定所述第一个候选传输资源组以外的N-1个候选传输资源组；
调整子模块，用于在确定第N个候选传输资源组的最后一个时隙超过所述资源选择窗口的后沿的情况下，调整下述至少一项参数：
所述候选传输资源组内的时隙个数；
相邻两个所述候选传输资源组之间的时隙间隔；
所述第一个候选传输资源组的起始位置。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，所述第二选择模块1102具体用于：
在所述候选传输资源中选择一个初传资源，其中，所述初传资源位于所述第二终端在n时刻后的DRX激活时段内；
在所述候选传输资源中选择N-1个重传资源，其中，各所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，所述第一选择子模块具体用于：
在所述候选传输资源中选择一个初传资源，其中，所述初传资源位于所述第二终端在n时刻后的DRX激活时段内；
在所述候选传输资源中选择N-1个重传资源，其中，各所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，所述第二选择模块1102具体用于：
在第一个候选传输资源组中选择一个初传资源；
在除第一个候选传输资源组以外的N-1个候选传输资源组中选择N-1个重传资源；其中，各个所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，所述 第一选择子模块具体用于：
在第一个候选传输资源组中选择一个初传资源；
在除第一个候选传输资源组以外的N-1个候选传输资源组中选择N-1个重传资源；其中，各个所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，所述第二选择模块1102具体用于：
在所述Y个候选时隙中选择N个传输资源；
在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述Y个候选时隙中重新选择N个传输资源；
其中，M为小于或等于N的正整数。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，所述第二选择子模块具体用于：
在所述Y个候选时隙中选择N个传输资源；
在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述Y个候选时隙中重新选择N个传输资源；
其中，M为小于或等于N的正整数。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，所述第二选择模块1102具体用于：
在每一个所述候选传输资源组中选择一个传输资源；
在N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在每一个所述候选传输资源组中分别重新选择一个传输资源；
其中，M为小于或等于N的正整数。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，所述第二选择子模块具体用于：
在所述候选传输资源包括N个候选传输资源组的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在每一个所述候选传输资源组中选择一个传输资源；
在N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在每一个所述候选传输资源组中分别重新选择一个传输资源；
其中，M为小于或等于N的正整数。
本公开实施例的传输资源选择装置是与上述传输资源选择方法对应的，上述传输资源选择方法中所有实现手段均适用于该传输资源选择装置的实施例中，也能达到相同的技术效果。
第三实施例
为了更好地实现上述目的，如图12所示，本公开实施例还提供了一种终端，该终端具体为第一终端，包括：处理器1200；以及通过总线接口与所述处理器1200相连接的存储器1220，所述存储器1220用于存储所述处理器1200在执行操作时所使用的程序和数据，处理器1200调用并执行所述存储器1220中所存储的程序和数据。
其中，收发机1210与总线接口连接，用于在处理器1200的控制下接收和发送数据；处理器1200用于读取存储器1220中的程序执行以下步骤：
根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；
根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选 择传输资源。
其中，在图12中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器1200代表的一个或多个处理器和存储器1220代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机1210可以是多个元件，即包括发送机和收发机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的终端，用户接口1230还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。处理器1200负责管理总线架构和通常的处理，存储器1220可以存储处理器1200在执行操作时所使用的数据。
可选地，所述处理器1200在用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源时，具体用于：
在所述候选传输资源中为所述待传输数据选择初传资源和N-1个重传资源；
或者，
在所述候选传输资源中为所述待传输数据选择N个传输资源；
其中，N为所述传输次数。
可选地，所述处理器1200在用于在所述候选传输资源中为所述待传输数据选择初传资源时，具体用于：
根据所述第二终端在n时刻后的DRX激活时段，在所述候选传输资源中选择所述初传资源，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
可选地，所述处理器1200在用于在所述候选传输资源中为所述待传输数据选择N-1个重传资源，包括：
根据已选择的初传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括所述第二终端的预期启动的DRX重传定时器的 激活时段。
可选地，所述处理器1200在用于在所述候选传输资源中为所述待传输数据选择N-1个重传资源，包括：
根据已选择的重传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括第二终端的预期启动的DRX重传定时器的激活时段。
可选地，所述处理器1200在用于在所述候选传输资源中为所述待传输数据选择N个传输资源时，具体用于：
在所述候选传输资源中选择N个传输资源；
根据所述N个传输资源和/或所述DRX配置参数，确定所述第二终端预期启动的DRX重传定时器的激活时段；
在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段至少包括所述N-1个激活时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述候选传输资源中重新选择N个传输资源；
其中，M为小于或等于N的正整数。
可选地，所述处理器1200在资源选择窗口中为所述待传输数据选择的所述候选传输资源包括：
Y个候选时隙，其中，所述Y个候选时隙中的至少部分时隙位于所述第二终端在n时刻后的DRX激活时段内，Y大于或等于网络侧配置或预配置的最小候选时隙的个数；
或者，
N个候选传输资源组，其中，第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内；
其中，N为所述传输次数，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，所述处理器1200在用于根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源时，具体用于：
确定所述候选传输资源的时域起始位置为n+T1+X时刻，其中，n+T1+X时刻位于所述第二终端在n时刻后的DRX激活时段内，n+T1为所述资源选择窗口的前沿，X为第一时隙间隔。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，所述处理器1200在用于根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源时，具体用于：
确定第一个候选传输资源组的时域起始位置为n+T1+X时刻，其中，所述第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内，n+T1为所述资源选择窗口的前沿，X为第一时隙间隔；
根据所述DRX配置参数和所述资源池配置参数，确定所述第一个候选传输资源组以外的N-1个候选传输资源组；
在确定第N个候选传输资源组的最后一个时隙超过所述资源选择窗口的后沿的情况下，调整下述至少一项参数：
所述候选传输资源组内的时隙个数；
相邻两个所述候选传输资源组之间的时隙间隔；
所述第一个候选传输资源组的起始位置。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，所述处理器1200在用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
在所述候选传输资源中选择一个初传资源，其中，所述初传资源位于所述第二终端在n时刻后的DRX激活时段内；
在所述候选传输资源中选择N-1个重传资源，其中，各所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，所述处理器1200在用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源时，具体用于：
在第一个候选传输资源组中选择一个初传资源；
在除第一个候选传输资源组以外的N-1个候选传输资源组中选择N-1个重传资源；其中，各个所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
可选地，在所述候选传输资源包括Y个候选时隙的情况下，所述处理器1200在用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源时，具体用于：
在所述Y个候选时隙中选择N个传输资源；
在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述Y个候选时隙中重新选择N个传输资源；
其中，M为小于或等于N的正整数。
可选地，在所述候选传输资源包括N个候选传输资源组的情况下，所述处理器1200在用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源时，具体用于：
在每一个所述候选传输资源组中选择一个传输资源；
在N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在每一个所述候选传输资源组中分别重新选择一个传输资源；
其中，M为小于或等于N的正整数。
本公开实施例的终端，首先，根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗 口中为所述待传输数据选择候选传输资源；其次，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。这样，第一终端在为所述待传输数据选择传输资源时，充分考虑了第二终端的DRX配置，使得选择的传输资源处于第二终端的唤醒时段，减少了数据传输过程中的丢包的现象，使得终端能够在减少功耗的同时保证数据传输的可靠传输。
本领域技术人员可以理解，实现上述实施例的全部或者部分步骤可以通过硬件来完成，也可以通过计算机程序来指示相关的硬件来完成，所述计算机程序包括执行上述方法的部分或者全部步骤的指令；且该计算机程序可以存储于一可读存储介质中，存储介质可以是任何形式的存储介质。
另外，本公开实施例还提供一种计算机可读存储介质，可读存储介质上存储有程序，该程序被处理器执行时实现如上所述的传输资源选择方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，该计算机可读存储介质，如只读存储器(Read-Only Memory，简称ROM)、随机存取存储器(Random Access Memory，简称RAM)、磁碟或者光盘等。
此外，需要指出的是，在本公开的装置和方法中，显然，各部件或各步骤是可以分解和/或重新组合的。这些分解和/或重新组合应视为本公开的等效方案。并且，执行上述系列处理的步骤可以自然地按照说明的顺序或按时间顺序执行，但是并不需要一定按照时间顺序执行，某些步骤可以并行或彼此独立地执行。对本领域的普通技术人员而言，能够理解本公开的方法和装置的全部或者任何步骤或者部件，可以在任何计算装置(包括处理器、存储介质等)或者计算装置的网络中，以硬件、固件、软件或者它们的组合加以实现，这是本领域普通技术人员在阅读了本公开的说明的情况下运用他们的基本编程技能就能实现的。
因此，本公开的目的还可以通过在任何计算装置上运行一个程序或者一组程序来实现。所述计算装置可以是公知的通用装置。因此，本公开的目的也可以仅仅通过提供包含实现所述方法或者装置的程序代码的程序产品来实现。也就是说，这样的程序产品也构成本公开，并且存储有这样的程序产品的存储介质也能构成本公开。显然，所述存储介质可以是任何公知的存储介质或者将来所开发出来的任何存储介质。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本公开的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本公开各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程 序代码的介质。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来控制相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开所述原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (16)

  1. 一种传输资源选择方法，应用于第一终端，所述方法包括：
    根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；
    根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。
  2. 根据权利要求1所述的方法，其中，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
    在所述候选传输资源中为所述待传输数据选择初传资源和N-1个重传资源；
    或者，
    在所述候选传输资源中为所述待传输数据选择N个传输资源；
    其中，N为所述传输次数。
  3. 根据权利要求2所述的方法，其中，在所述候选传输资源中为所述待传输数据选择初传资源，包括：
    根据所述第二终端在n时刻后的DRX激活时段，在所述候选传输资源中选择所述初传资源，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
  4. 根据权利要求2所述的方法，其中，在所述候选传输资源中为所述待传输数据选择N-1个重传资源，包括：
    根据已选择的初传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
    根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括所述第二终端的预期启动的DRX重传定时器的激活时段。
  5. 根据权利要求2所述的方法，其中，在所述候选传输资源中为所述待传输数据选择N-1个重传资源，包括：
    根据已选择的重传资源和/或所述DRX配置参数，确定所述第二终端的预期启动的DRX重传定时器的激活时段；
    根据所述第二终端的唤醒时段，在所述候选传输资源中选择重传资源，其中，所述唤醒时段至少包括所述第二终端的预期启动的DRX重传定时器的激活时段。
  6. 根据权利要求2所述的方法，其中，在所述候选传输资源中为所述待传输数据选择N个传输资源，包括：
    在所述候选传输资源中选择N个传输资源；
    根据所述N个传输资源和/或所述DRX配置参数，确定所述第二终端预期启动的DRX重传定时器的激活时段；
    在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段至少包括所述N-1个激活时段；
    在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述候选传输资源中重新选择N个传输资源；
    其中，M为小于或等于N的正整数。
  7. 根据权利要求1所述的方法，其中，所述候选传输资源包括：
    Y个候选时隙，其中，所述Y个候选时隙中的至少部分时隙位于所述第二终端在n时刻后的DRX激活时段内，Y大于或等于网络侧配置或预配置的最小候选时隙的个数；
    或者，
    N个候选传输资源组，其中，第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内；
    其中，N为所述传输次数，n为所述待传输数据的到达时刻，或者，n为资源选择或重选的触发时刻。
  8. 根据权利要求7所述的方法，其中，在所述候选传输资源包括Y个候选时隙的情况下，根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源，包括：
    确定所述候选传输资源的时域起始位置为n+T1+X时刻，其中，n+T1+X时刻位于所述第二终端在n时刻后的DRX激活时段内，n+T1为所述资源选择窗口的前沿，X为第一时隙间隔。
  9. 根据权利要求7所述的方法，其中，在所述候选传输资源包括N个候选传输资源组的情况下，根据待传输数据的传输次数、第二终端的非连续接收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源，包括：
    确定第一个候选传输资源组的时域起始位置为n+T1+X时刻，其中，所述第一个候选传输资源组位于所述第二终端在n时刻后的DRX激活时段内，n+T1为所述资源选择窗口的前沿，X为第一时隙间隔；
    根据所述DRX配置参数和所述资源池配置参数，确定所述第一个候选传输资源组以外的N-1个候选传输资源组；
    在确定第N个候选传输资源组的最后一个时隙超过所述资源选择窗口的后沿的情况下，调整下述至少一项参数：
    所述候选传输资源组内的时隙个数；
    相邻两个所述候选传输资源组之间的时隙间隔；
    所述第一个候选传输资源组的起始位置。
  10. 根据权利要求1、2或7所述的方法，其中，在所述候选传输资源包括Y个候选时隙的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
    在所述候选传输资源中选择一个初传资源，其中，所述初传资源位于所述第二终端在n时刻后的DRX激活时段内；
    在所述候选传输资源中选择N-1个重传资源，其中，各所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
  11. 根据权利要求1、2或7所述的方法，其中，在所述候选传输资源包括N个候选传输资源组的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
    在第一个候选传输资源组中选择一个初传资源；
    在除第一个候选传输资源组以外的N-1个候选传输资源组中选择N-1个重传资源；其中，各个所述重传资源位于所述第二终端的唤醒时段，所述唤醒时段为根据所述DRX配置参数确定的时段。
  12. 根据权利要求1、2或7所述的方法，其中，在所述候选传输资源包括Y个候选时隙的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
    在所述Y个候选时隙中选择N个传输资源；
    在所述N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
    在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在所述Y个候选时隙中重新选择N个传输资源；
    其中，M为小于或等于N的正整数。
  13. 根据权利要求1、2或7所述的方法，其中，在所述候选传输资源包括N个候选传输资源组的情况下，根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源，包括：
    在每一个所述候选传输资源组中选择一个传输资源；
    在N个传输资源中的至少M个传输资源位于所述第二终端的唤醒时段的情况下，确定所述N个传输资源为传输所述待传输数据的传输资源，所述唤醒时段为根据所述DRX配置参数和/或所述N个传输资源确定的时段；
    在所述N个传输资源中的至少M个传输资源不位于所述唤醒时段的情况下，在每一个所述候选传输资源组中分别重新选择一个传输资源；
    其中，M为小于或等于N的正整数。
  14. 一种终端，所述终端为第一终端，包括：收发机、存储器、处理器及存储在所述存储器上并在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现如权利要求1至13任一项所述的传输资源选择方法的步骤。
  15. 一种传输资源选择装置，应用于第一终端，包括：
    第一选择模块，用于根据待传输数据的传输次数、第二终端的非连续接 收DRX配置参数和所述第二终端的资源池配置参数，在资源选择窗口中为所述待传输数据选择候选传输资源；
    第二选择模块，用于根据所述DRX配置参数，在所述候选传输资源中，为所述待传输数据选择传输资源。
  16. 一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至13中任一项所述的传输资源选择方法的步骤。
PCT/CN2022/083318 2021-03-30 2022-03-28 车联网中的传输资源选择方法、装置及终端 WO2022206665A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023551679A JP2024507572A (ja) 2021-03-30 2022-03-28 車両インターネットにおける伝送リソースの選択方法、装置及び端末
EP22778847.8A EP4301007A1 (en) 2021-03-30 2022-03-28 Transmission resource selection method and apparatus in internet of vehicles, and terminal
KR1020237028585A KR20230160795A (ko) 2021-03-30 2022-03-28 차량 사물 통신에서의 전송 자원 선택 방법, 장치 및 단말

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202110342817.7 2021-03-30
CN202110342817 2021-03-30
CN202210286013.4 2022-03-22
CN202210286013.4A CN115150775A (zh) 2021-03-30 2022-03-22 车联网中的传输资源选择方法、装置及终端

Publications (1)

Publication Number Publication Date
WO2022206665A1 true WO2022206665A1 (zh) 2022-10-06

Family

ID=83405342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/083318 WO2022206665A1 (zh) 2021-03-30 2022-03-28 车联网中的传输资源选择方法、装置及终端

Country Status (5)

Country Link
EP (1) EP4301007A1 (zh)
JP (1) JP2024507572A (zh)
KR (1) KR20230160795A (zh)
CN (1) CN115150775A (zh)
WO (1) WO2022206665A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111096015A (zh) * 2017-09-15 2020-05-01 Oppo广东移动通信有限公司 用于资源选择的方法和设备
US20200351857A1 (en) * 2019-05-03 2020-11-05 Qualcomm Incorporated Two-stage physical sidelink control channel resource reservation
CN112153602A (zh) * 2020-09-24 2020-12-29 大唐高鸿数据网络技术股份有限公司 一种资源选择方法及终端
CN112272397A (zh) * 2020-10-22 2021-01-26 大唐高鸿数据网络技术股份有限公司 一种数据传输方法、装置及终端

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111096015A (zh) * 2017-09-15 2020-05-01 Oppo广东移动通信有限公司 用于资源选择的方法和设备
US20200351857A1 (en) * 2019-05-03 2020-11-05 Qualcomm Incorporated Two-stage physical sidelink control channel resource reservation
CN112153602A (zh) * 2020-09-24 2020-12-29 大唐高鸿数据网络技术股份有限公司 一种资源选择方法及终端
CN112272397A (zh) * 2020-10-22 2021-01-26 大唐高鸿数据网络技术股份有限公司 一种数据传输方法、装置及终端

Also Published As

Publication number Publication date
CN115150775A (zh) 2022-10-04
EP4301007A1 (en) 2024-01-03
KR20230160795A (ko) 2023-11-24
JP2024507572A (ja) 2024-02-20

Similar Documents

Publication Publication Date Title
WO2022083769A1 (zh) 一种数据传输方法、装置及终端
JP6655586B2 (ja) キャリア・アグリゲーションを使用する不連続受信モードにおける動作
US9491702B2 (en) Discontinuous reception dynamic configuration method, terminal and base station
RU2433571C2 (ru) Гибкие прерывистая передача (dtx) и прерывистый прием (drx) в системе беспроводной связи
US10342063B2 (en) Activation of DRX parameters
CN102932882B (zh) 一种非连续接收方法及系统
BR112018014084A2 (pt) método para controlar operações de drx de modo conectado
WO2013020401A1 (zh) 一种非连续接收方法及系统
WO2021052057A1 (zh) 非连续接收drx数据传输方法、装置及存储介质
WO2018127217A1 (zh) 一种监听指示及监听方法、装置
CN109756996B (zh) Drx配置下的上行传输方法及装置、设备、存储介质
US20120257559A1 (en) Battery consumption control method of user equipment in mobile communication system
EP2810509B1 (en) Method and apparatus for preserving physical uplink control channel resources
WO2011069378A1 (zh) 多载波系统中分量载波激活去激活的优化方法和系统
KR20180023032A (ko) 무선 통신 시스템, 무선 단말, 무선 기지국, 및 무선 통신 방법
WO2012100731A1 (zh) 载波聚合系统中的定时器维护方法和设备
WO2010105552A1 (zh) 多载波系统中非连续监听控制信道的方法及装置
WO2021159870A1 (zh) 非连续接收定时器管理方法及终端
WO2011120449A1 (zh) 载波去激活的方法和设备
WO2021159973A1 (zh) 非连续接收处理方法、终端、装置以及介质
WO2011069368A1 (zh) 一种多载波上的不连续接收的优化方法和演进基站
WO2021128341A1 (zh) 非连续接收控制方法、设备及存储介质
WO2021197472A1 (zh) 边链路监听方法、设备及存储介质
WO2022148288A1 (zh) 直接通信接口的定时器维护方法、装置及可读存储介质
WO2022206665A1 (zh) 车联网中的传输资源选择方法、装置及终端

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22778847

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 1020237028585

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 2023551679

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 2022778847

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 18284394

Country of ref document: US

ENP Entry into the national phase

Ref document number: 2022778847

Country of ref document: EP

Effective date: 20230925

NENP Non-entry into the national phase

Ref country code: DE