WO2021155594A1 - 一种选取资源的方法及装置、终端设备 - Google Patents

一种选取资源的方法及装置、终端设备 Download PDF

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Publication number
WO2021155594A1
WO2021155594A1 PCT/CN2020/074538 CN2020074538W WO2021155594A1 WO 2021155594 A1 WO2021155594 A1 WO 2021155594A1 CN 2020074538 W CN2020074538 W CN 2020074538W WO 2021155594 A1 WO2021155594 A1 WO 2021155594A1
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Prior art keywords
terminal device
resource
configuration information
drx configuration
drx
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PCT/CN2020/074538
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English (en)
French (fr)
Inventor
赵振山
卢前溪
林晖闵
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to KR1020227027420A priority Critical patent/KR20220140510A/ko
Priority to EP20917836.7A priority patent/EP4090084A4/en
Priority to CN202210901363.7A priority patent/CN115066030B/zh
Priority to PCT/CN2020/074538 priority patent/WO2021155594A1/zh
Priority to CN202080090378.9A priority patent/CN114868430A/zh
Publication of WO2021155594A1 publication Critical patent/WO2021155594A1/zh
Priority to US17/882,086 priority patent/US20220377709A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • 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
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and in particular to a method and device for selecting resources, and terminal equipment.
  • DRX Discontinuous Reception
  • the terminal device is not always in the receiving state, but according to the DRX configuration, it is continuously ( Data is received within duration), and the terminal device is in continuous reception (or continuous listening) state for the duration. If the terminal device does not receive data, it will switch to DRX, that is, stop continuous listening state (off duration), thus To achieve the purpose of power saving.
  • DRX Discontinuous Reception
  • the data sent by the sender needs to be received by the receiver. Therefore, after the introduction of the DRX mechanism, how to ensure the reliability of sideline transmission is a problem that needs to be solved.
  • the embodiments of the present application provide a method and device for selecting resources, and terminal equipment.
  • the first terminal device acquires first DRX configuration information, where the first DRX configuration information is used to determine the first time range of the second terminal device;
  • the first terminal device selects a first resource, and the time domain position of the first resource is within the first time range.
  • An obtaining unit configured to obtain first DRX configuration information, where the first DRX configuration information is used to determine the first time range of the second terminal device;
  • the selecting unit is configured to select a first resource, and the time domain position of the first resource is within the first time range.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above method for selecting resources.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned resource selection method.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above method for selecting resources.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program, and the computer program causes the computer to execute the above-mentioned resource selection method.
  • the computer program product provided by the embodiment of the present application includes computer program instructions that cause a computer to execute the above-mentioned method for selecting resources.
  • the computer program provided by the embodiment of the present application when it runs on a computer, causes the computer to execute the above method for selecting resources.
  • the first terminal device selects the transmission resource according to the first time range of the second terminal device, so that the sideline data sent by the first terminal device through the transmission resource can be received by the second terminal device, thereby ensuring the sideline Reliability of transmission.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG 2-1 is a schematic diagram of Mode A provided by an embodiment of the present application.
  • Figure 2-2 is a schematic diagram of Mode B provided by an embodiment of the present application.
  • Figure 3-1 is a schematic diagram of unicast provided by an embodiment of the present application.
  • Figure 3-2 is a schematic diagram of multicast provided by an embodiment of the present application.
  • Figure 3-3 is a schematic diagram of broadcasting provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of resource selection provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of the DRX cycle provided by an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a method for selecting resources provided by an embodiment of the present application.
  • Figure 7-1 is a first schematic diagram of a DRX pattern provided by an embodiment of the present application.
  • Figure 7-2 is a second schematic diagram of a DRX pattern provided by an embodiment of the present application.
  • Figure 7-3 is a third schematic diagram of a DRX pattern provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of the structural composition of an apparatus for selecting resources provided by an embodiment of the application.
  • FIG. 9 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication system or future communication system etc.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and/or a device of another terminal configured to receive/send communication signals; and/or an Internet of Things (IoT) device.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscribe
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • D2D Device to Device
  • D2D communication is based on Sidelink (SL) transmission technology, which is different from the way in which communication data is received or sent through base stations in traditional cellular systems.
  • SL Sidelink
  • the Internet of Vehicles system uses D2D communication (that is, direct device-to-device communication). , So it has higher spectral efficiency and lower transmission delay.
  • the Third Generation Partnership Project (3GPP) defines two transmission modes: Mode A and Mode B. The mode A and mode B are described below.
  • the transmission resources of the terminal equipment are allocated by the base station, and the terminal equipment transmits data on the side link according to the resources allocated by the base station; the base station can allocate a single transmission for the terminal equipment Resources, semi-static transmission resources can also be allocated to terminal devices.
  • Mode B As shown in Figure 2-2, the terminal device selects a resource in the resource pool to send data. Specifically, the terminal device can select transmission resources from the resource pool by means of listening, or select transmission resources from the resource pool by means of random selection.
  • mode 1 is that network equipment allocates transmission resources for terminal equipment (corresponding to the above-mentioned mode A)
  • mode 2 is that terminal equipment selects transmission resources ( Corresponds to the above mode B).
  • LTE-V2X supports broadcast transmission.
  • unicast and multicast transmissions are introduced in NR-V2X.
  • unicast transmission there is only one terminal device at the receiving end.
  • the receiving end is all terminal devices in a communication group, or all terminal devices within a certain transmission distance, as shown in Figure 3-2, UE1, UE2, UE3, and UE4 form a communication group , Where UE1 sends data, and other terminal devices in the communication group are all receivers.
  • the receiving end is any terminal device, as shown in Figure 3-3, where UE1 is the transmitting end, and other terminal devices around it are all receiving ends.
  • Full listening means that the terminal device can listen to data sent by other terminal devices in all time slots (or subframes) except for the time slot for sending data. ; Partial sensing is to save energy for the terminal device. The terminal device only needs to listen to a part of the time slot (or subframe), and select the resource based on the result of the partial sensing. Further, when the upper layer does not configure partial interception, the terminal device defaults to adopting a full interception method for resource selection.
  • the terminal device treats all available resources in the selection window as a set A, and the terminal device performs the following exclusion operations on the resources in the set A:
  • the terminal device has no listening result in some subframes in the listening window, the resources of these subframes on the corresponding subframes in the selection window are excluded.
  • PSSCH-PSSCH Physical Sidelink Control Channel
  • PSSCH-PSSCH Physical Sidelink Control Channel
  • the terminal device measures the Reference Signal Received Power (RSRP) of the PSSCH, referred to as PSSCH-PSSCH for short. If the measured PSSCH-RSRP is higher than the PSSCH-RSRP threshold, and according to the reservation information carried by the PSCCH, it is determined that the reserved transmission resource conflicts with the data to be sent by the user, then the resource is excluded from set A.
  • the selection of the PSSCH-RSRP threshold is determined by the priority information carried in the detected PSCCH and the priority of the data to be transmitted by the terminal device.
  • the terminal device will increase the PSSCH-RSRP threshold by 3dB, and repeat steps 1-2 until the number of remaining resources in set A is greater than the total number of resources 20% of the number.
  • the terminal device detects the Sidelink Received Signal Strength Indicator (S-RSSI) of the remaining resources in set A, and sorts them according to the energy level, and sorts the 20% of the lowest energy (relative to set A). The number of resources in) is placed in set B.
  • S-RSSI Sidelink Received Signal Strength Indicator
  • the terminal device selects a resource from set B with a moderate probability for data transmission.
  • the terminal device In a wireless network, if the terminal device always listens to the Physical Downlink Control Channel (PDCCH), and transmits and receives data according to the instruction message sent by the network side, the power consumption of the terminal device is relatively large. Therefore, the 3GPP standard protocol introduces the DRX energy-saving strategy in the LTE system.
  • PDCCH Physical Downlink Control Channel
  • the basic mechanism of DRX is to configure a DRX cycle (DRX cycle) for the terminal device in the RRC_CONNECTED state.
  • the DRX cycle is composed of “On Duration” and “DRX Opportunity for DRX”.
  • the terminal device detects Listen and receive the PDCCH (that is, the terminal device is in the active period); if the terminal does not receive the PDCCH within the continuous listening range, it will stop continuous listening, and switch to the DRX state within the "Opportunity for DRX" time, and the terminal device will not receive it PDCCH to reduce power consumption (that is, the terminal device is in the dormant period).
  • the terminal device controls the on duration and off duration of the terminal device according to some timer parameters configured by the network.
  • the DRX mechanism is not introduced. Considering that the Internet of Vehicles service may be sent by broadcast, all terminal devices are in the receiving state when not sending data, but this will cause the terminal device The power consumption is very large, especially for handheld terminals, how to reduce power consumption is a problem that needs to be solved.
  • the introduction of DRX mechanism in side link transmission is discussed.
  • the terminal device is not always in the receiving state, but according to the DRX configuration, it receives data within the on duration. If the terminal device If no data is received, it will be converted to DRX (off duration) to save power.
  • DRX off duration
  • the data sent by the sender needs to be received by the receiver. Therefore, after the introduction of the DRX mechanism, how to ensure the reliability of sideline transmission is a problem that needs to be solved. To this end, the following technical solutions of the embodiments of the present application are proposed.
  • FIG. 6 is a schematic flowchart of a method for selecting resources provided by an embodiment of the application. As shown in FIG. 6, the method for selecting resources includes the following steps:
  • Step 601 The first terminal device obtains first DRX configuration information, where the first DRX configuration information is used to determine the first time range of the second terminal device.
  • the first terminal device is the sending end of sideline data
  • the second terminal device is the receiving end of sideline data
  • the first DRX configuration information is used to determine the first time range of the second terminal device.
  • the first time range is based on the first DRX configuration information in the first DRX configuration information.
  • the time range determined by the parameter, the first DRX parameter is used to determine the continuous listening range of the second terminal device, that is, the first time range is the continuous listening range of the second terminal device, for example, the first DRX
  • the parameter is drx-onDurationTimer, and the time range corresponding to the running period of drx-onDurationTimer is the first time range.
  • the sender needs to know the DRX configuration information of the receiver (that is, the first DRX configuration information), so as to ensure that the data sent by the sender can be received by the receiver.
  • the sending end that is, the first terminal device
  • the sending end can obtain the DRX configuration information of the receiving end (that is, the second terminal device) in any of the following ways:
  • the first terminal device receives the first DRX configuration information sent by the second terminal device.
  • the first DRX configuration information is DRX configuration information of the second terminal device.
  • the first DRX configuration information is carried in Sidelink Control Information (SCI), or PC5-RRC signaling, or Media Access Control (Media Access Control). Control Element, MAC CE).
  • SCI Sidelink Control Information
  • PC5-RRC signaling or PC5-RRC signaling
  • Media Access Control Media Access Control
  • Control Element, MAC CE Media Access Control
  • the first DRX configuration information is carried in the second-order SCI, that is, the first DRX configuration information is carried in the SCI format 0-2.
  • the second terminal device sends an SCI to the first terminal device, and the SCI carries the first DRX configuration information.
  • the second terminal device sends PC5-RRC signaling to the first terminal device, and the PC5-RRC signaling carries the first DRX configuration information.
  • the second terminal device sends sideline data to the first terminal device, and the MAC CE of the sideline data carries the first DRX configuration information.
  • Method 2 The group head terminal device configures DRX configuration information for each terminal device in the communication group. Further, optionally, the first DRX configuration information is DRX configuration information configured by the group head terminal device for the second terminal device; or, the first DRX configuration information is the group head terminal device for a group of terminal devices. Configured DRX configuration information, the group of terminal devices includes the second terminal device.
  • the group-head terminal device is the first terminal device; or, the group-head terminal device is the second terminal device; or, the group-head terminal device is a third terminal device .
  • the third terminal device is another terminal device different from the first terminal device and the second terminal device.
  • the first terminal device can naturally clarify the first DRX configuration information configured for the second terminal device.
  • the first terminal device obtains the first DRX configuration from the second terminal device or the third terminal device information.
  • the first DRX configuration information is carried in SCI, or PC5-RRC signaling, or MAC CE.
  • the second terminal device or the third terminal device sends an SCI to the first terminal device, and the SCI carries the first DRX configuration information.
  • the second terminal device or the third terminal device sends PC5-RRC signaling to the first terminal device, and the PC5-RRC signaling carries the first DRX configuration information.
  • the second terminal device or the third terminal device sends sideline data to the first terminal device, and the MAC CE of the sideline data carries the first DRX configuration information.
  • Manner 3 The first terminal device determines the first DRX configuration information through pre-configuration information.
  • the first DRX configuration information is acquired through pre-configuration information.
  • the first terminal device obtains resource pool configuration information, and the resource pool configuration information includes the first DRX configuration information.
  • the first DRX configuration information includes but is not limited to at least one of the following DRX parameters:
  • the first DRX parameter used to determine the duration (or continuous listening time) at the beginning of the DRX cycle, for example, drx-onDurationTimer.
  • the second DRX parameter used to determine the duration after the PSCCH timing (the PSCCH timing is transmitted with the PSCCH and the PSCCH indicates the side-line data transmission), for example, drx-InactivityTimer.
  • the third DRX parameter used to determine the starting subframe of the DRX cycle and/or the DRX cycle, for example, drx-LongCycleStartOffset, including drx-LongCycle and drx-StartOffset.
  • the fourth DRX parameter used to determine the slot offset of the start time of the first DRX parameter in one subframe (the subframe is determined based on the third DRX parameter), for example, drx-SlotOffset.
  • Step 602 The first terminal device selects a first resource, and the time domain location of the first resource is within the first time range.
  • the first terminal device determines a first candidate resource set; the first resource belongs to the first candidate resource set. That is, the first terminal device selects the first resource from the first candidate resource set, and the time domain position of the first resource is within the first time range.
  • the first terminal device determines the first candidate resource set in a resource selection window (also referred to as a selection window for short) according to a listening result. It should be noted that the determination of the first candidate resource set may refer to the related description in the aforementioned "resource selection method based on interception", for example, the process of determining the "set B".
  • the first terminal device selects a second resource, the second resource belongs to the first candidate resource set, and the time domain position of the second resource is within the first time range. That is, the first terminal device selects the second resource from the first candidate resource set, and the time domain position of the second resource is within the first time range.
  • the first resource and the second resource selected by the first terminal device are both located within the first time range (that is, the continuous listening range set by the second terminal).
  • Figure (a) is a schematic diagram of DRX for UE1 (receiving end), and Figure (b) is a schematic diagram of resource selection for UE2 (transmitting end).
  • the resource selection window is [n+1, n+100]
  • UE2 selects resources in the resource selection window according to the listening result, but since the data sent by UE2 needs to be received by UE1,
  • UE2 selects transmission resources, it needs to consider UE1's DRX configuration information, that is, UE2 limits the range of UE2's resource selection according to UE1's DRX configuration information.
  • the resource selection window includes the DRX on duration of UE1 (that is, the continuous listening range), and the resources that UE2 can select are within the DRX on duration of UE1, such as the two resources corresponding to n+t1 and n+t2 in the figure.
  • the first resource and the second resource are used to transmit the same data block.
  • the first resource is used for the first transmission of the side row data
  • the second resource is used for the retransmission of the side row data.
  • the first terminal device selects resources according to the DRX configuration information of the second terminal device, and the selected first resource is within the DRX on duration of the second terminal device (that is, the continuous listening range), thereby ensuring that the second terminal device The terminal device can correctly receive the sideline data sent by the first terminal device on the first resource.
  • the first terminal device determines a first candidate resource set; the first resource belongs to the first candidate resource set. That is, the first terminal device selects the first resource from the first candidate resource set, and the time domain position of the first resource is within the first time range.
  • the first terminal device determines the first candidate resource set in a resource selection window (also referred to as a selection window for short) according to a listening result. It should be noted that the determination of the first candidate resource set can refer to the related description in the aforementioned "Resource Selection Method Based on Interception", for example, the process of determining "Set B".
  • the first terminal device selects a second resource, the second resource belongs to the first candidate resource set, and the time interval between the first resource and the second resource is less than or equal to the first resource.
  • the time length corresponding to the timer, or the time interval between the first resource and the second resource is determined according to the time length corresponding to the first timer. That is: the first terminal device selects the second resource from the first candidate resource set, and the time interval between the first resource and the second resource is less than or equal to the time length corresponding to the first timer .
  • the first resource selected by the first terminal device is located in the first time range (that is, the continuous listening range set by the second terminal), and the first terminal device passes through the The first resource sends first data to the second terminal device, where the first data is used to trigger the second terminal device to start the first timer.
  • the first timer is, for example, a timer determined by the first DRX parameter (for example, drx-onDurationTimer) or a timer determined by the second DRX parameter (for example, drx-InactivityTimer).
  • the first terminal device sends first data to the second terminal device through the first resource, and after receiving the first data, the second terminal device starts the first timer (That is, drx-onDurationTimer or drx-InactivityTimer).
  • the first timer is used to determine the time range of continuous listening by the second terminal device. Since the second terminal device starts the first timer after receiving the first data, the continuous listening range of the second terminal device can be extended, and the continuous listening range of the first terminal device on the second terminal device
  • the second resource is selected within the range, or the first terminal device selects the second resource during the operation of the first timer (that is, the time interval between the first resource and the second resource is less than or equal to the first timer The length of time). In this way, both the first resource and the second resource are within the continuous listening range of the second terminal device.
  • the first terminal device selects the first resource within the first time range based on the RSRP measurement value (for example, The first terminal device selects the resource with the lowest RSRP measurement value within the first time range as the first resource); or, the first terminal device randomly selects the first resource within the first time range One resource.
  • Figure 7-2 shows the working mechanism of DRX, (a) is the DRX pattern when the second terminal device does not receive the first data, (b) is the second terminal device during DRX on duration The DRX pattern when the first data is received.
  • the second terminal device receives the first data (such as PSCCH and/or PSSCH) during the onduration, the second terminal device starts a first timer (such as drx-onDurationTimer or drx-InactivityTimer). Before the timeout, the second terminal device continues in the onduration state, and after the first timer expires, the terminal device will switch to the offduration state (or DRX state).
  • a first timer such as drx-onDurationTimer or drx-InactivityTimer
  • the first resource and the second resource are used to transmit the same data block.
  • the first resource is used for the first transmission of the side row data
  • the second resource is used for the retransmission of the side row data.
  • the resources in the first candidate resource set determined by the first terminal device according to the listening result are not within the on duration (ie continuous listening range) of the second terminal device, and the first terminal device selects the first resource during the on duration , Send the first data to the second terminal device through the first resource; after receiving the first data, the second terminal device starts the first timer (for example, drx-InactivityTimer), thereby extending the continuous listening range of the second terminal device , So that all or part of the resources in the first candidate resource set are within the continuous listening range of the second terminal device; the first terminal device selects the second resource from the first candidate resource set, where the first resource and the second resource The time interval between is less than or equal to the duration corresponding to the first timer (for example, drx-InactivityTimer), thereby ensuring that the second resource is located within the continuous listening range of the second terminal device.
  • the first timer for example, drx-InactivityTimer
  • the first timer is drx-InactivityTimer as an example.
  • the black box indicates the resources in the first candidate resource set determined by UE2 according to the listening result. All resources in the set are not in the on duration of UE1.
  • UE2 selects the first resource RS0 during the on duration, and sends the first data on this resource, triggering UE1 to start drx-InactivityTimer.
  • the DRX pattern of UE1 is changed from ( a) becomes (c), that is, the on-duration range of UE1 is expanded.
  • UE1 can select the transmission resource in the first candidate resource set before the drx-InactivityTimer expires, such as RS1, RS2, and RS3, and use the transmission resource
  • the side-line data is transmitted so that UE1 can receive the side-line data.
  • the UE2 selects the first resource RS0 with the lowest RSRP measurement value from the on-duration period according to the RSRP measurement value; or the UE2 randomly selects the first resource RS0 from the on-duration period.
  • UE2 uses the first resource RS0 to transmit the side row data to be transmitted, and uses the second resource to transmit the retransmission of the side row data; or, UE2 uses the first resource RS0 to transmit invalid data (for example, random bits, redundant data). Bits, etc.), using the second resource to transmit the sideline data to be transmitted (including the first transmission and/or retransmission).
  • All or part of the resources in the first candidate resource set determined by the first terminal device according to the listening result are within the on duration (ie continuous listening range) of the second terminal device, but the first candidate resource set is in the on duration
  • the number M of resources within is less than the number N of resources that the first terminal device needs to select.
  • the first terminal device selects the first resource from the M resources, and sends the first data to the second terminal device through the first resource; the second terminal After receiving the first data, the device starts drx-InactivityTimer, thereby extending the continuous listening range of the second terminal device; the first terminal device selects N-1 second resources from the first candidate resource set, and the N-1 The time interval between each of the second resources and the first resource is less than or equal to the duration corresponding to drx-InactivityTimer, thereby ensuring that the N-1 second resources are within the continuous listening range of the second terminal device .
  • RS0 also belongs to the first candidate resource set, but UE2 needs to select 2 transmission resources
  • UE2 can learn the DRX parameters of UE1
  • it can be determined that UE1 starts the DRX parameter according to the DRX parameters of UE1, such as drx-InactivityTimer.
  • RS3 is used as the second resource, so that the UE1 triggers the drx-InactivityTimer when receiving RS0, extends the on duration time range, and can receive the side row data carried by the second resource within the extended time range.
  • the first terminal device uses the first resource to trigger the second terminal device to start drx-InactivityTimer, thereby It is ensured that the second terminal device can receive the data transmitted by the first terminal device through the second resource.
  • FIG. 8 is a schematic diagram of the structural composition of an apparatus for selecting resources provided by an embodiment of the application. As shown in FIG. 8, the apparatus for selecting resources includes:
  • the obtaining unit 801 is configured to obtain first DRX configuration information, where the first DRX configuration information is used to determine the first time range of the second terminal device;
  • the selecting unit 802 is configured to select a first resource, and the time domain position of the first resource is within the first time range.
  • the first DRX configuration information is DRX configuration information of the second terminal device
  • the acquiring unit 801 is configured to receive the first DRX configuration information sent by the second terminal device.
  • the first DRX configuration information is DRX configuration information configured by the group head terminal device for the second terminal device; or,
  • the first DRX configuration information is DRX configuration information configured by a group head terminal device for a group of terminal devices, and the group of terminal devices includes the second terminal device.
  • the group head terminal device is the first terminal device; or,
  • the group head terminal device is the second terminal device; or,
  • the group head terminal device is a third terminal device.
  • the group head terminal device is the second terminal device or the third terminal device
  • the acquiring unit 801 is configured to acquire the first DRX configuration information from the second terminal device or the third terminal device.
  • the first DRX configuration information is carried in SCI, or PC5-RRC signaling, or MAC CE.
  • the first DRX configuration information is DRX configuration information of the second terminal device
  • the acquiring unit 801 is configured to determine the first DRX configuration information through pre-configuration information.
  • the obtaining unit 801 is configured to obtain resource pool configuration information, where the resource pool configuration information includes the first DRX configuration information.
  • the device further includes:
  • the determining unit 803 is configured to determine a first candidate resource set; the first resource belongs to the first candidate resource set.
  • the selecting unit 802 is further configured to select a second resource, the second resource belongs to the first candidate resource set, and the time domain position of the second resource is located in the first candidate resource set. Within the time range, or, the time interval between the first resource and the second resource is less than or equal to the time length corresponding to the first timer.
  • the first timer is used to determine a time range during which the second terminal device continuously listens.
  • the device further includes:
  • a sending unit (not shown in the figure), configured to send first data to the second terminal device through the first resource, and the first data is used to trigger the second terminal device to start the first timing Device.
  • the first resource and the second resource are used to transmit the same data block.
  • the selecting unit 802 is configured to select the first candidate resource set within the first time range based on the RSRP measurement value if all the resources of the first candidate resource set are outside the first time range. A resource; or, the first resource is randomly selected within the first time range.
  • the determining unit 803 is configured to determine the first candidate resource set in the resource selection window according to the interception result.
  • FIG. 9 is a schematic structural diagram of a communication device 900 provided by an embodiment of the present application.
  • the communication device may be a terminal device.
  • the communication device 900 shown in FIG. 9 includes a processor 910, and the processor 910 may call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 900 may further include a memory 920.
  • the processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the communication device 900 may further include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 930 may include a transmitter and a receiver.
  • the transceiver 930 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 900 may specifically be a network device of an embodiment of the application, and the communication device 900 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, details are not repeated here. .
  • the communication device 900 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 900 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • FIG. 10 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 1000 shown in FIG. 10 includes a processor 1010, and the processor 1010 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1000 may further include a memory 1020.
  • the processor 1010 can call and run a computer program from the memory 1020 to implement the method in the embodiment of the present application.
  • the memory 1020 may be a separate device independent of the processor 1010, or may be integrated in the processor 1010.
  • the chip 1000 may further include an input interface 1030.
  • the processor 1010 can control the input interface 1030 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1000 may further include an output interface 1040.
  • the processor 1010 can control the output interface 1040 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 11 is a schematic block diagram of a communication system 1100 according to an embodiment of the present application. As shown in FIG. 11, the communication system 1100 includes a terminal device 1110 and a network device 1120.
  • the terminal device 1110 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 1120 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, 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 the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

Abstract

本申请实施例提供一种选取资源的方法及装置、终端设备，该方法包括：第一终端设备获取第一非连续接收DRX配置信息，其中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围；所述第一终端设备选取第一资源，所述第一资源的时域位置位于所述第一时间范围内。

Description

一种选取资源的方法及装置、终端设备 技术领域
本申请实施例涉及移动通信技术领域，具体涉及一种选取资源的方法及装置、终端设备。
背景技术
在侧行链路增强的课题中，讨论在侧行链路传输中引入非连续接收(Discontinuous Reception，DRX)机制，此时终端设备不是一直处于接收的状态，而是根据DRX配置，在持续(on duration)时间内接收数据，在持续时间内终端设备处于连续接收(或连续侦听)状态，如果终端设备没有接收到数据，会转为DRX，即停止连续侦听状态(off duration)，从而达到省电的目的。但是，对于单播和组播通信而言，发送端发送的数据需要被接收端接收，因此，在引入DRX机制后，如何保证侧行传输的可靠性是需要解决的问题。
发明内容
本申请实施例提供一种选取资源的方法及装置、终端设备。
本申请实施例提供的选取资源的方法，包括：
第一终端设备获取第一DRX配置信息，其中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围；
所述第一终端设备选取第一资源，所述第一资源的时域位置位于所述第一时间范围内。
本申请实施例提供的选取资源的装置，包括：
获取单元，用于获取第一DRX配置信息，其中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围；
选取单元，用于选取第一资源，所述第一资源的时域位置位于所述第一时间范围内。
本申请实施例提供的终端设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述的选取资源的方法。
本申请实施例提供的芯片，用于实现上述的选取资源的方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行上述的选取资源的方法。
本申请实施例提供的计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述的选取资源的方法。
本申请实施例提供的计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述的选取资源的方法。
本申请实施例提供的计算机程序，当其在计算机上运行时，使得计算机执行上述的选取资源的方法。
通过上述技术方案，第一终端设备根据第二终端设备的第一时间范围选取传输资 源，使得第一终端设通过该传输资源发送的侧行数据能够被第二终端设备接收，从而保证了侧行传输的可靠性。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1是本申请实施例提供的一种通信系统架构的示意性图；
图2-1是本申请实施例提供的模式A的示意图；
图2-2是本申请实施例提供的模式B的示意图；
图3-1是本申请实施例提供的单播示意图；
图3-2是本申请实施例提供的组播示意图；
图3-3是本申请实施例提供的广播示意图；
图4是本申请实施例提供的资源选择示意图；
图5是本申请实施例提供的DRX周期的示意图；
图6是本申请实施例提供的选取资源的方法的流程示意图；
图7-1是本申请实施例提供的DRX图样的示意图一；
图7-2是本申请实施例提供的DRX图样的示意图二；
图7-3是本申请实施例提供的DRX图样的示意图三；
图8为本申请实施例提供的选取资源的装置的结构组成示意图；
图9是本申请实施例提供的一种通信设备示意性结构图；
图10是本申请实施例的芯片的示意性结构图；
图11是本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统，例如：长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、系统、5G通信系统或未来的通信系统等。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端进行通信。可选地，该网络设备110可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来通信系统中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端120。作为在此使用的“终端”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂 窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地，终端120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G通信系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端120，网络设备110和终端120可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
为便于理解本申请实施例的技术方案，以下对本申请实施例相关的技术方案进行说明。
Figure PCTCN2020074538-appb-000001
设备到设备(Device to Device，D2D)
D2D通信基于侧行链路(Sidelink，SL)传输技术，与传统的蜂窝系统中通信数据通过基站接收或者发送的方式不同，车联网系统采用D2D通信的方式(即设备到设备直接通信的方式)，因此具有更高的频谱效率以及更低的传输时延。对于D2D通信，第三代合作伙伴计划(Third Generation Partnership Project，3GPP)定义了两种传输模式：模式A和模式B。以下对模式A和模式B进行描述。
模式A：如图2-1所示，终端设备的传输资源是由基站分配的，终端设备根据基站分配的资源在侧行链路上进行数据的发送；基站可以为终端设备分配单次传输的资源，也可以为终端设备分配半静态传输的资源。
模式B：如图2-2所示，终端设备在资源池中选取一个资源进行数据的发送。具体 地，终端设备可以通过侦听的方式在资源池中选取传输资源，或者通过随机选取的方式在资源池中选取传输资源。
Figure PCTCN2020074538-appb-000002
新无线(New Radio，NR)-车辆到其他设备(Vehicle to Everything，V2X)
在NR-V2X中，需要支持自动驾驶，因此对车辆之间数据交互提出了更高的要求，如更高的吞吐量、更低的时延、更高的可靠性、更大的覆盖范围、更灵活的资源分配等。
在NR-V2X系统中，引入了多种传输模式，包括模式1和模式2，其中，模式1是网络设备为终端设备分配传输资源(对应上述模式A)，模式2是终端设备选取传输资源(对应上述模式B)。
LTE-V2X支持广播传输方式，此外，在NR-V2X中引入了单播和组播的传输方式。对于单播传输方式，其接收端只有一个终端设备，如图3-1所示，UE1和UE2之间进行单播传输。对于组播传输方式，其接收端是一个通信组内的所有终端设备，或者是在一定传输距离内的所有终端设备，如图3-2所示，UE1、UE2、UE3和UE4构成一个通信组，其中UE1发送数据，该通信组内的其他终端设备都是接收端。对于广播传输方式，其接收端是任意一个终端设备，如图3-3所示，其中UE1是发送端，其周围的其他终端设备都是接收端。
Figure PCTCN2020074538-appb-000003
基于侦听的资源选取方法
在LTE-V2X中，支持完全侦听或部分侦听，其中，完全侦听即终端设备可以侦听除了发送数据的时隙之外所有的时隙(或子帧)中其他终端设备发送的数据；而部分侦听(partial sensing)是为了终端设备节能，终端设备只需要侦听部分时隙(或子帧)，并且基于部分侦听的结果进行资源选取。进一步，当高层没有配置部分侦听时，终端设备默认采用完全侦听的方式进行资源选取。
以下介绍LTE-V2X中基于侦听进行资源选取的主要步骤，详细的过程可以参照3GPP TS36.213 V14.3.0。
当在时刻n有新的数据包到达，需要进行资源选取，终端设备会根据过去1秒(即侦听窗对应的时间)中的侦听结果，在[n+T1,n+T2]毫秒(即选择窗对应的时间)内进行资源选取。其中，T1≤4，T 2min(prio TX)≤T 2≤100，并且T1的选取应该大于终端设备的处理时延，T2的选取需要在业务的时延要求范围内。例如，如果业务的时延要求是50ms，则20≤T2≤50；如果业务的时延要求是100ms，则20≤T2≤100，如图4所示。
终端设备在选择窗内进行资源选取的过程如下(需要说明的是，此处列出了几个主要的资源选取步骤)：
终端设备将选择窗内所有可用的资源作为一个集合A，终端设备对集合A中的资源进行以下排除操作：
1、如果终端设备在侦听窗内某些子帧没有侦听结果，则这些子帧在选择窗内对应的子帧上的资源被排除掉。
2、如果终端设备在侦听窗内检测到物理侧行控制信道(Physical Sidelink Control Channel，PSCCH)，测量该PSSCH的参考信号接收功率(Reference Signal Received Power，RSRP)，简称为PSSCH-PSSCH。如果测量的PSSCH-RSRP高于PSSCH-RSRP门限，并且根据该PSCCH携带的预留信息确定其预留的传输资源与本用户待发送的数据存在资源冲突，则在集合A中排除掉该资源。其中，PSSCH-RSRP门限的选取是由检测到的PSCCH中携带的优先级信息和终端设备待传输数据的优先级确定的。
3、如果集合A中剩余的资源个数小于总资源个数的20％，终端设备会提升PSSCH-RSRP的门限3dB，并且重复步骤1-2，直到集合A中剩余的资源个数大于总资源数的20％。
4、终端设备对集合A中剩余的资源进行侧行接收信号场强指示(Sidelink Received  Signal Strength Indicator，S-RSSI)检测，并且按照能量高低进行排序，把能量最低的20％(相对于集合A中的资源个数)资源放入集合B。
5、终端设备从集合B中等概率的选取一个资源进行数据传输。
Figure PCTCN2020074538-appb-000004
NR Uu口的DRX机制
在无线网络中，如果终端设备一直侦听物理下行控制信道(Physical Downlink Control Channel，PDCCH)，根据网络侧发送的指示消息对数据进行收发，这样导致终端设备的功耗比较大。因此3GPP标准协议在LTE系统中引入DRX节能策略。
DRX的基本机制是为处于无线资源控制连接(RRC_CONNECTED)态的终端设备配置一个DRX周期(DRX cycle)。如图5所示，DRX cycle由“持续(On Duration)”和“DRX时机(Opportunity for DRX)”组成，其中，在“On Duration”时间内(又称为连续侦听范围)，终端设备侦听并接收PDCCH(即终端设备处于激活期)；如果终端在连续侦听范围内没有接收到PDCCH，就会停止连续侦听，在“Opportunity for DRX”时间内转为DRX状态，终端设备不接收PDCCH以减少功耗(即终端设备处于休眠期)。在DRX操作中，终端设备根据网络配置的一些定时器参数来控制终端设备的on duration和off duration。
在基于侧行链路的传输中，没有引入DRX机制，考虑到车联网业务可能是广播的方式发送的，所有的终端设备在不发送数据的时候都是处于接收状态，但是这样会导致终端设备的功耗很大，尤其对于手持终端而言，如何降低功耗是需要解决的问题。
在侧行链路增强的课题中，讨论在侧行链路传输中引入DRX机制，此时终端设备不是一直处于接收的状态，而是根据DRX配置，在on duration时间内接收数据，如果终端设备没有接收到数据，会转为DRX(off duration)，从而达到省电的目的。但是，对于单播和组播通信而言，发送端发送的数据需要被接收端接收，因此，在引入DRX机制后，如何保证侧行传输的可靠性是需要解决的问题。为此，提出了本申请实施例的以下技术方案。
图6为本申请实施例提供的选取资源的方法的流程示意图，如图6所示，所述选取资源的方法包括以下步骤：
步骤601：第一终端设备获取第一DRX配置信息，其中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围。
本申请实施例中，所述第一终端设备为侧行数据的发送端，所述第二终端设备为侧行数据的接收端。
本申请实施例中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围，这里，所述第一时间范围是根据所述第一DRX配置信息中的第一DRX参数确定的时间范围，该第一DRX参数用于确定所述第二终端设备的连续侦听范围，即该第一时间范围是所述第二终端设备的连续侦听范围，例如该第一DRX参数是drx-onDurationTimer，drx-onDurationTimer运行期间对应的时间范围即为所述第一时间范围。
本申请实施例中，对于单播通信或组播通信的场景，发送端需要获知接收端的DRX配置信息(即所述第一DRX配置信息)，从而保证发送端发送的数据能够被接收端接收。发送端(即所述第一终端设备)可以通过以下任意一种方式获取接收端(即所述第二终端设备)的DRX配置信息：
方式一：所述第一终端设备接收所述第二终端设备发送的所述第一DRX配置信息。这里，所述第一DRX配置信息为所述第二终端设备的DRX配置信息。
在一可选方式中，所述第一DRX配置信息携带在侧行链路控制信息(Sidelink Control Information，SCI)中、或者PC5-RRC信令中、或者媒体接入控制控制单元 (Media Access Control Control Element，MAC CE)中。
可选地，所述第一DRX配置信息携带在第二阶SCI中，即通过SCI格式0-2携带所述第一DRX配置信息。
例如：所述第二终端设备向所述第一终端设备发送SCI，所述SCI携带所述第一DRX配置信息。
例如：所述第二终端设备向所述第一终端设备发送PC5-RRC信令，所述PC5-RRC信令携带所述第一DRX配置信息。
例如：所述第二终端设备向所述第一终端设备发送侧行数据，该侧行数据的MAC CE中携带所述第一DRX配置信息。
方式二：由组头终端设备为通信组内的各个终端设备配置DRX配置信息。进一步，可选地，所述第一DRX配置信息为组头终端设备针对所述第二终端设备配置的DRX配置信息；或者，所述第一DRX配置信息为组头终端设备针对一组终端设备配置的DRX配置信息，所述一组终端设备包括所述第二终端设备。
在一可选方式中，所述组头终端设备为所述第一终端设备；或者，所述组头终端设备为所述第二终端设备；或者，所述组头终端设备为第三终端设备。其中，所述第三终端设备是不同于所述第一终端设备和所述第二终端设备的其他终端设备。
基于此，所述组头终端设备为所述第一终端设备的情况下，所述第一终端设备自然能够明确其为所述第二终端设备配置的所述第一DRX配置信息。
基于此，所述组头终端设备为所述第二终端设备或者第三终端设备的情况下，所述第一终端设备从所述第二终端设备或者第三终端设备获取所述第一DRX配置信息。
在一可选方式中，所述第一DRX配置信息携带在SCI中、或者PC5-RRC信令中、或者MAC CE中。
例如：所述第二终端设备或者第三终端设备向所述第一终端设备发送SCI，所述SCI携带所述第一DRX配置信息。
例如：所述第二终端设备或者第三终端设备向所述第一终端设备发送PC5-RRC信令，所述PC5-RRC信令携带所述第一DRX配置信息。
例如：所述第二终端设备或者第三终端设备向所述第一终端设备发送侧行数据，该侧行数据的MAC CE中携带所述第一DRX配置信息。
方式三：所述第一终端设备通过预配置信息确定所述第一DRX配置信息。
这里，对于模式2(或者模式B)的终端设备来说，通过预配置信息获取所述第一DRX配置信息。
本申请实施例中，可选地，对于上述任意一种方式而言，所述第一终端设备获取资源池配置信息，所述资源池配置信息包括所述第一DRX配置信息。
在一可选方式中，所述第一DRX配置信息包括但不限于以下至少一种DRX参数：
第一DRX参数：用于确定位于DRX周期开始的持续时间(或连续侦听时间)，例如是drx-onDurationTimer。
第二DRX参数：用于确定位于PSCCH时机(该PSCCH时机上传输有PSCCH，且该PSCCH指示有侧行数据传输)之后的持续时间，例如是drx-InactivityTimer。
第三DRX参数：用于确定DRX周期的起始子帧和/或DRX周期，例如是drx-LongCycleStartOffset，包括drx-LongCycle和drx-StartOffset。
第四DRX参数：用于确定第一DRX参数的启动时间在一个子帧(该子帧基于第三DRX参数确定)内的时隙偏移，例如是drx-SlotOffset。
步骤602：所述第一终端设备选取第一资源，所述第一资源的时域位置位于所述第一时间范围内。
1)在本申请一可选方式中，所述第一终端设备确定第一候选资源集合；所述第一资源属于所述第一候选资源集合。即：所述第一终端设备在所述第一候选资源集合中选择所述第一资源，且所述第一资源的时域位置位于所述第一时间范围内。
这里，所述第一终端设备根据侦听结果在资源选择窗(也可以简称为选择窗)内确定所述第一候选资源集合。需要说明的是，所述第一候选资源集合的确定可以参照前述“基于侦听的资源选取方法”中的相关描述，例如确定“集合B”的过程。
进一步，可选地，所述第一终端设备选取第二资源，所述第二资源属于所述第一候选资源集合，所述第二资源的时域位置位于所述第一时间范围内。即：所述第一终端设备在所述第一候选资源集合中选择所述第二资源，且所述第二资源的时域位置位于所述第一时间范围内。
本实施例中，所述第一终端设备选取的所述第一资源和所述第二资源均位于所述第一时间范围(即所述第二终端设的连续侦听范围)内。
如图7-1所示，图(a)是UE1(接收端)的DRX示意图，图(b)是UE2(发送端)的资源选取示意图。当UE2在时刻n进行资源选取时，资源选择窗为[n+1,n+100]，UE2根据侦听结果在资源选择窗内选取资源，但是由于UE2发送的数据需要被UE1接收，因此，UE2选取传输资源时需要考虑UE1的DRX配置信息，即UE2根据UE1的DRX配置信息限制UE2的资源选取的范围。在资源选择窗内包括UE1的DRX on duration期间(即连续侦听范围)，UE2能够选取的资源在UE1的DRX on duration期间内，如图中n+t1和n+t2对应的两个资源。
在一可选方式中，所述第一资源和所述第二资源用于传输相同的数据块。例如：所述第一资源用于侧行数据的首次传输，所述第二资源用于该侧行数据的重传。
本实施例中，第一终端设备根据第二终端设备的DRX配置信息进行资源选取，选取的第一资源位于第二终端设备的DRX on duration期间(即连续侦听范围)内，从而保证第二终端设备可以正确接收第一终端设备在该第一资源上发送的侧行数据。
2)在本申请一可选方式中，所述第一终端设备确定第一候选资源集合；所述第一资源属于所述第一候选资源集合。即：所述第一终端设备在所述第一候选资源集合中选择所述第一资源，且所述第一资源的时域位置位于所述第一时间范围内。
这里，所述第一终端设备根据侦听结果在资源选择窗(也可以简称为选择窗)内确定所述第一候选资源集合。需要说明的是，所述第一候选资源集合的确定可以参照前述“基于侦听的资源选取方法”中的相关描述，例如确定“集合B”的过程。
进一步，可选地，所述第一终端设备选取第二资源，所述第二资源属于所述第一候选资源集合，所述第一资源与所述第二资源的时间间隔小于或等于第一定时器对应的时间长度，或者，所述第一资源与所述第二资源的时间间隔根据所述第一定时器对应的时间长度确定。即：所述第一终端设备在所述第一候选资源集合中选择所述第二资源，且所述第一资源与所述第二资源的时间间隔小于或等于第一定时器对应的时间长度。
本实施例中，所述第一终端设备选取的所述第一资源位于所述第一时间范围(即所述第二终端设的连续侦听范围)内，所述第一终端设备通过所述第一资源向所述第二终端设备发送第一数据，所述第一数据用于触发所述第二终端设备启动所述第一定时器。这里，所述第一定时器例如是第一DRX参数确定的定时器(例如drx-onDurationTimer)或者第二DRX参数确定的定时器(例如drx-InactivityTimer)。
具体地，所述第一终端设备通过所述第一资源向所述第二终端设备发送第一数据，所述第二终端设备接收到所述第一数据后，启动所述第一定时器(即drx-onDurationTimer 或者drx-InactivityTimer)，这里，所述第一定时器用于确定所述第二终端设备连续侦听的时间范围。由于所述第二终端设备接收到所述第一数据后启动了所述第一定时器，因而可以延长第二终端设备的连续侦听范围，第一终端设备在第二终端设备的连续侦听范围内选取第二资源，或者说第一终端设备在所述第一定时器运行期间选取第二资源(即所述第一资源与所述第二资源的时间间隔小于或等于第一定时器对应的时间长度)。从而实现了第一资源和第二资源都在所述第二终端设备的连续侦听范围内。
这里，可选地，若所述第一候选资源集合的全部资源位于第一时间范围以外，所述第一终端设备基于RSRP测量值在所述第一时间范围内选取所述第一资源(例如所述第一终端设备选择所述第一时间范围内的RSRP测量值最低的资源作为所述第一资源)；或者，所述第一终端设备在所述第一时间范围内随机选取所述第一资源。
参照图7-2，图7-2给出了DRX的工作机制，(a)是第二终端设备没有接收到第一数据时的DRX图案，(b)是第二终端设备在DRX on duration期间接收到第一数据时的DRX图案。如果第二终端设备在on duration期间接收到第一数据(如PSCCH和/或PSSCH)，则第二终端设备启动第一定时器(如drx-onDurationTimer或者drx-InactivityTimer)，在该第一定时器超时之前，第二终端设备持续on duration状态，该第一定时器超时之后，终端设备会转入off duration状态(或DRX状态)。
在一可选方式中，所述第一资源和所述第二资源用于传输相同的数据块。例如：所述第一资源用于侧行数据的首次传输，所述第二资源用于该侧行数据的重传。
以下结合不同的示例对本实施例的技术方案进行举例说明。
示例一
第一终端设备根据侦听结果确定的第一候选资源集合中的资源都不在第二终端设备的on duration期间(即连续侦听范围)内，第一终端设备在on duration期间内选取第一资源，通过第一资源向第二终端设备发送第一数据；第二终端设备接收到该第一数据后，启动第一定时器(例如drx-InactivityTimer)，从而延长第二终端设备的连续侦听范围，使得第一候选资源集合中的全部或部分资源位于第二终端设备的连续侦听范围内；第一终端设备在第一候选资源集合中选取第二资源，其中，第一资源与第二资源之间的时间间隔小于等于第一定时器(例如drx-InactivityTimer)对应的时长，从而保证第二资源位于第二终端设备的连续侦听范围内。
参照图7-3，第一定时器以drx-InactivityTimer为例，黑色方框表示UE2根据侦听结果确定的第一候选资源集合中的资源，该集合中的所有资源都不在UE1的on duration期间内，即白色方框表示的时间范围，此时UE2在on duration期间内选取第一资源RS0，并且在该资源上发送第一数据，触发UE1启动drx-InactivityTimer，此时UE1的DRX图案从(a)变为(c)，即UE1的on duration范围扩大，因此，UE1可以选取drx-InactivityTimer超时之前的位于第一候选资源集合中的传输资源，如RS1、RS2、RS3，并利用该传输资源传输侧行数据，使得UE1可以接收该侧行数据。
可选地，UE2根据RSRP测量值从on duration期间内选取RSRP测量值最低的第一资源RS0；或者UE2从on duration期间内随机选取第一资源RS0。
可选地，UE2利用第一资源RS0传输待传输的侧行数据，利用第二资源传输该侧行数据的重传；或者，UE2利用第一资源RS0传输无效数据(例如是随机比特、冗余比特等)，利用第二资源传输待传输的侧行数据(包括首次传输和/或重传)。
示例二
第一终端设备根据侦听结果确定的第一候选资源集合中的资源全部或部分在第二终端设备的on duration期间(即连续侦听范围)内，但第一候选资源集合中位于on duration期间内的资源个数M小于第一终端设备需要选取的资源个数N，第一终端设备 从M个资源中选取第一资源，通过第一资源向第二终端设备发送第一数据；第二终端设备接收到该第一数据后，启动drx-InactivityTimer，从而延长第二终端设备的连续侦听范围；第一终端设备在第一候选资源集合中选取N-1个第二资源，该N-1个第二资源中的每个第二资源与第一资源之间的时间间隔小于等于drx-InactivityTimer对应的时长，从而保证该N-1个第二资源位于第二终端设备的连续侦听范围内。
参照图7-3，如果RS0也属于第一候选资源集合，但是UE2需要选取2个传输资源，如果UE2可以获知UE1的DRX参数，可以根据UE1的DRX参数，例如drx-InactivityTimer，确定UE1启动该定时器对应的连续侦听的时间范围，因此UE2可以选取RS0作为第一资源，并且在RS0的时刻作为起始时刻的drx-InactivityTimer的时间范围内，选取第二资源，例如，选取RS1、RS2或RS3作为第二资源，从而使得UE1在接收RS0时触发drx-InactivityTimer，延长on duration的时间范围，并且在该延长的时间范围内可以接收第二资源承载的侧行数据。本实施例中，当第二终端设备的连续侦听范围内没有可用的候选资源时，或候选资源个数不足时，第一终端设备利用第一资源触发第二终端设启动drx-InactivityTimer，从而保证第二终端设备可以接收第一终端设备通过第二资源传输的数据。
图8为本申请实施例提供的选取资源的装置的结构组成示意图，如图8所示，所述选取资源的装置包括：
获取单元801，用于获取第一DRX配置信息，其中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围；
选取单元802，用于选取第一资源，所述第一资源的时域位置位于所述第一时间范围内。
在一可选实施方式中，所述第一DRX配置信息为所述第二终端设备的DRX配置信息；
所述获取单元801，用于接收所述第二终端设备发送的所述第一DRX配置信息。
在一可选实施方式中，所述第一DRX配置信息为组头终端设备针对所述第二终端设备配置的DRX配置信息；或者，
所述第一DRX配置信息为组头终端设备针对一组终端设备配置的DRX配置信息，所述一组终端设备包括所述第二终端设备。
在一可选实施方式中，所述组头终端设备为所述第一终端设备；或者，
所述组头终端设备为所述第二终端设备；或者，
所述组头终端设备为第三终端设备。
在一可选实施方式中，所述组头终端设备为所述第二终端设备或者第三终端设备的情况下，
所述获取单元801，用于从所述第二终端设备或者第三终端设备获取所述第一DRX配置信息。
在一可选实施方式中，所述第一DRX配置信息携带在SCI中、或者PC5-RRC信令中、或者MAC CE中。
在一可选实施方式中，所述第一DRX配置信息为所述第二终端设备的DRX配置信息；
所述获取单元801，用于通过预配置信息确定所述第一DRX配置信息。
在一可选实施方式中，所述获取单元801，用于获取资源池配置信息，所述资源池配置信息包括所述第一DRX配置信息。
在一可选实施方式中，所述装置还包括：
确定单元803，用于确定第一候选资源集合；所述第一资源属于所述第一候选资 源集合。
在一可选实施方式中，所述选取单元802，还用于选取第二资源，所述第二资源属于所述第一候选资源集合，所述第二资源的时域位置位于所述第一时间范围内，或者，所述第一资源与所述第二资源的时间间隔小于或等于第一定时器对应的时间长度。
在一可选实施方式中，所述第一定时器用于确定所述第二终端设备连续侦听的时间范围。
在一可选实施方式中，所述装置还包括：
发送单元(图中未示出)，用于通过所述第一资源向所述第二终端设备发送第一数据，所述第一数据用于触发所述第二终端设备启动所述第一定时器。
在一可选实施方式中，所述第一资源和所述第二资源用于传输相同的数据块。
在一可选实施方式中，所述选取单元802，用于若所述第一候选资源集合的全部资源位于第一时间范围以外，基于RSRP测量值在所述第一时间范围内选取所述第一资源；或者，在所述第一时间范围内随机选取所述第一资源。
在一可选实施方式中，所述确定单元803，用于根据侦听结果在资源选择窗内确定所述第一候选资源集合。
本领域技术人员应当理解，本申请实施例的上述选取资源的装置的相关描述可以参照本申请实施例的选取资源的方法的相关描述进行理解。
图9是本申请实施例提供的一种通信设备900示意性结构图。该通信设备可以是终端设备，图9所示的通信设备900包括处理器910，处理器910可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图9所示，通信设备900还可以包括存储器920。其中，处理器910可以从存储器920中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器920可以是独立于处理器910的一个单独的器件，也可以集成在处理器910中。
可选地，如图9所示，通信设备900还可以包括收发器930，处理器910可以控制该收发器930与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器930可以包括发射机和接收机。收发器930还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备900具体可为本申请实施例的网络设备，并且该通信设备900可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备900具体可为本申请实施例的移动终端/终端设备，并且该通信设备900可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
图10是本申请实施例的芯片的示意性结构图。图10所示的芯片1000包括处理器1010，处理器1010可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图10所示，芯片1000还可以包括存储器1020。其中，处理器1010可以从存储器1020中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器1020可以是独立于处理器1010的一个单独的器件，也可以集成在处理器1010中。
可选地，该芯片1000还可以包括输入接口1030。其中，处理器1010可以控制该输 入接口1030与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片1000还可以包括输出接口1040。其中，处理器1010可以控制该输出接口1040与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端设备，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
图11是本申请实施例提供的一种通信系统1100的示意性框图。如图11所示，该通信系统1100包括终端设备1110和网络设备1120。
其中，该终端设备1110可以用于实现上述方法中由终端设备实现的相应的功能，以及该网络设备1120可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic  RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
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申请的范围。
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。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、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，在本申请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，本申请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)执行本申请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、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (35)

  1. 一种选取资源的方法，所述方法包括：
    第一终端设备获取第一非连续接收DRX配置信息，其中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围；
    所述第一终端设备选取第一资源，所述第一资源的时域位置位于所述第一时间范围内。
  2. 根据权利要求1所述的方法，其中，所述第一DRX配置信息为所述第二终端设备的DRX配置信息；所述方法还包括：所述第一终端设备接收所述第二终端设备发送的所述第一DRX配置信息。
  3. 根据权利要求1所述的方法，其中，
    所述第一DRX配置信息为组头终端设备针对所述第二终端设备配置的DRX配置信息；或者，
    所述第一DRX配置信息为组头终端设备针对一组终端设备配置的DRX配置信息，所述一组终端设备包括所述第二终端设备。
  4. 根据权利要求3所述的方法，其中，
    所述组头终端设备为所述第一终端设备；或者，
    所述组头终端设备为所述第二终端设备；或者，
    所述组头终端设备为第三终端设备。
  5. 根据权利要求4所述的方法，其中，所述组头终端设备为所述第二终端设备或者第三终端设备的情况下，所述方法还包括：
    所述第一终端设备从所述第二终端设备或者第三终端设备获取所述第一DRX配置信息。
  6. 根据权利要求2至5中任一项所述的方法，其中，所述第一DRX配置信息携带在侧行控制信息SCI中、或者PC5-RRC信令中、或者媒体接入控制控制单元MACCE中。
  7. 根据权利要求1所述的方法，其中，所述第一DRX配置信息为所述第二终端设备的DRX配置信息；所述方法还包括：
    所述第一终端设备通过预配置信息确定所述第一DRX配置信息。
  8. 根据权利要求2至7中任一项所述的方法，所述方法还包括：
    所述第一终端设备获取资源池配置信息，所述资源池配置信息包括所述第一DRX配置信息。
  9. 根据权利要求1至8中任一项所述的方法，其中，所述方法还包括：
    所述第一终端设备确定第一候选资源集合；所述第一资源属于所述第一候选资源集合。
  10. 根据权利要求9所述的方法，其中，所述方法还包括：
    所述第一终端设备选取第二资源，所述第二资源属于所述第一候选资源集合，所述第二资源的时域位置位于所述第一时间范围内，或者，所述第一资源与所述第二资源的时间间隔小于或等于第一定时器对应的时间长度。
  11. 根据权利要求10所述的方法，其中，所述第一定时器用于确定所述第二终端设备连续侦听的时间范围。
  12. 根据权利要求10或11所述的方法，其中，所述方法还包括：
    所述第一终端设备通过所述第一资源向所述第二终端设备发送第一数据，所述第 一数据用于触发所述第二终端设备启动所述第一定时器。
  13. 根据权利要求10至12中任一项所述的方法，其中，所述第一资源和所述第二资源用于传输相同的数据块。
  14. 根据权利要求9至13中任一项所述的方法，其中，所述方法还包括：
    若所述第一候选资源集合的全部资源位于第一时间范围以外，所述第一终端设备基于参考信号接收功率RSRP测量值在所述第一时间范围内选取所述第一资源；或者，
    所述第一终端设备在所述第一时间范围内随机选取所述第一资源。
  15. 根据权利要求9至14中任一项所述的方法，其中，所述第一终端设备确定第一候选资源集合，包括：
    所述第一终端设备根据侦听结果在资源选择窗内确定所述第一候选资源集合。
  16. 一种选取资源的装置，所述装置包括：
    获取单元，用于获取第一DRX配置信息，其中，所述第一DRX配置信息用于确定所述第二终端设备的第一时间范围；
    选取单元，用于选取第一资源，所述第一资源的时域位置位于所述第一时间范围内。
  17. 根据权利要求16所述的装置，其中，所述第一DRX配置信息为所述第二终端设备的DRX配置信息；
    所述获取单元，用于接收所述第二终端设备发送的所述第一DRX配置信息。
  18. 根据权利要求16所述的装置，其中，
    所述第一DRX配置信息为组头终端设备针对所述第二终端设备配置的DRX配置信息；或者，
    所述第一DRX配置信息为组头终端设备针对一组终端设备配置的DRX配置信息，所述一组终端设备包括所述第二终端设备。
  19. 根据权利要求18所述的装置，其中，
    所述组头终端设备为所述第一终端设备；或者，
    所述组头终端设备为所述第二终端设备；或者，
    所述组头终端设备为第三终端设备。
  20. 根据权利要求19所述的装置，其中，所述组头终端设备为所述第二终端设备或者第三终端设备的情况下，
    所述获取单元，用于从所述第二终端设备或者第三终端设备获取所述第一DRX配置信息。
  21. 根据权利要求17至20中任一项所述的装置，其中，所述第一DRX配置信息携带在SCI中、或者PC5-RRC信令中、或者MAC CE中。
  22. 根据权利要求16所述的装置，其中，所述第一DRX配置信息为所述第二终端设备的DRX配置信息；
    所述获取单元，用于通过预配置信息确定所述第一DRX配置信息。
  23. 根据权利要求17至22中任一项所述的装置，其中，所述获取单元，用于获取资源池配置信息，所述资源池配置信息包括所述第一DRX配置信息。
  24. 根据权利要求16至23中任一项所述的装置，其中，所述装置还包括：
    确定单元，用于确定第一候选资源集合；所述第一资源属于所述第一候选资源集合。
  25. 根据权利要求24所述的装置，其中，所述选取单元，还用于选取第二资源，所述第二资源属于所述第一候选资源集合，所述第二资源的时域位置位于所述第一时 间范围内，或者，所述第一资源与所述第二资源的时间间隔小于或等于第一定时器对应的时间长度。
  26. 根据权利要求25所述的装置，其中，所述第一定时器用于确定所述第二终端设备连续侦听的时间范围。
  27. 根据权利要求25或26所述的装置，其中，所述装置还包括：
    发送单元，用于通过所述第一资源向所述第二终端设备发送第一数据，所述第一数据用于触发所述第二终端设备启动所述第一定时器。
  28. 根据权利要求25至27中任一项所述的装置，其中，所述第一资源和所述第二资源用于传输相同的数据块。
  29. 根据权利要求24至28中任一项所述的装置，其中，所述选取单元，用于若所述第一候选资源集合的全部资源位于第一时间范围以外，基于RSRP测量值在所述第一时间范围内选取所述第一资源；或者，在所述第一时间范围内随机选取所述第一资源。
  30. 根据权利要求24至29中任一项所述的装置，其中，所述确定单元，用于根据侦听结果在资源选择窗内确定所述第一候选资源集合。
  31. 一种终端设备，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至15中任一项所述的方法。
  32. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至15中任一项所述的方法。
  33. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至15中任一项所述的方法。
  34. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1至15中任一项所述的方法。
  35. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1至15中任一项所述的方法。
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