WO2022233031A1 - Procédé de communication sans fil et dispositifs terminaux - Google Patents

Procédé de communication sans fil et dispositifs terminaux Download PDF

Info

Publication number
WO2022233031A1
WO2022233031A1 PCT/CN2021/092147 CN2021092147W WO2022233031A1 WO 2022233031 A1 WO2022233031 A1 WO 2022233031A1 CN 2021092147 W CN2021092147 W CN 2021092147W WO 2022233031 A1 WO2022233031 A1 WO 2022233031A1
Authority
WO
WIPO (PCT)
Prior art keywords
drx
resource
type
terminal device
resources
Prior art date
Application number
PCT/CN2021/092147
Other languages
English (en)
Chinese (zh)
Inventor
卢前溪
冷冰雪
Original Assignee
Oppo广东移动通信有限公司
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 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 PCT/CN2021/092147 priority Critical patent/WO2022233031A1/fr
Priority to CN202180085864.6A priority patent/CN116648968A/zh
Publication of WO2022233031A1 publication Critical patent/WO2022233031A1/fr

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
    • 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 communications, and in particular, to a method and a terminal device for wireless communication.
  • the network device can configure the terminal device to wake up at the time predicted by the network (DRX ON), monitor the Physical Downlink Control Channel (PDCCH), and the network can also configure the terminal device to sleep at the time predicted by the network (DRX ON) OFF), that is, the terminal device does not monitor the PDCCH.
  • DRX ON the time predicted by the network
  • PDCCH Physical Downlink Control Channel
  • the terminal device In some sideline scenarios, such as Proximity-based Services (Prose) scenarios or wearable device scenarios, the terminal device also needs to save power. Therefore, how to implement DRX on the sidelink link to meet the needs of the terminal The need for power saving is an urgent problem to be solved.
  • Proximity-based Services Prose
  • wearable device scenarios the terminal device also needs to save power. Therefore, how to implement DRX on the sidelink link to meet the needs of the terminal The need for power saving is an urgent problem to be solved.
  • the embodiments of the present application provide a wireless communication method and a terminal device, which can implement DRX on a sidelink, thereby meeting the power saving requirement of the terminal device.
  • a method for wireless communication comprising: a terminal device receiving a discontinuous reception DRX configuration sent by a network device, where the DRX configuration is used to configure at least one DRX parameter; determine the target resource corresponding to the at least one DRX parameter; perform lateral transmission according to the target resource corresponding to the at least one DRX parameter.
  • a terminal device for executing the method in the first aspect or any possible implementation manner of the first aspect.
  • the terminal device includes a unit for executing the method in the first aspect or any possible implementation manner of the first aspect.
  • a terminal device in a third aspect, includes: a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory to execute the method in the above-mentioned first aspect or each implementation manner thereof.
  • a chip is provided, which is used to implement the method in the above-mentioned first aspect or each of its implementation manners.
  • the chip includes: a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes the method in the first aspect or each of its implementations.
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in the above-mentioned first aspect or each implementation manner thereof.
  • a computer program product comprising computer program instructions, the computer program instructions causing a computer to execute the method in the above-mentioned first aspect or each of its implementations.
  • a computer program which, when run on a computer, causes the computer to execute the method of the above-mentioned first aspect or each of its implementations.
  • the terminal device determines the target resource corresponding to the DRX parameter according to the resource type in the resource pool, and further performs sidelink transmission based on the target resource corresponding to the DRX parameter, which can control the DRX behavior of the terminal device on the sidelink link. It is beneficial to meet the power saving requirements of terminal equipment.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by the present application.
  • FIG. 2 is a schematic diagram of another communication system architecture provided by the present application.
  • FIG. 3 is a schematic interaction diagram of a method for wireless communication according to an embodiment of the present application.
  • FIG. 4 is a way of determining target resources corresponding to DRX parameters according to a specific example of the present application.
  • FIG. 5 is a way of determining target resources corresponding to DRX parameters according to another specific example of the present application.
  • FIG. 6 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • Wireless Fidelity Wireless Fidelity
  • WiFi fifth-generation communication
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered unshared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, where the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device may be a station (STATION, ST) in the WLAN, and may be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (WLL) station, a personal digital assistant (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • a mobile phone Mobile Phone
  • a tablet computer Pad
  • a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
  • augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
  • the network device may also be a base station set in a location such as land or water.
  • a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
  • the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • Pico cell Femto cell (Femto cell), etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • predefinition may be implemented by pre-saving corresponding codes, forms, or other means that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • the implementation method is not limited.
  • predefined may refer to the definition in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied in future communication systems, which are not limited in this application.
  • Device-to-device communication is a D2D-based sidelink transmission technology (Sidelink, SL).
  • Sidelink Sidelink
  • the Internet of Vehicles system adopts the method of terminal-to-terminal direct communication. , so it has higher spectral efficiency and lower transmission delay.
  • FIG. 1 is a schematic diagram of a communication system to which an embodiment of the present application is applied.
  • the transmission resources of the vehicle-mounted terminals (the vehicle-mounted terminal 121 and the vehicle-mounted terminal 122 ) are allocated by the base station 110 , and the vehicle-mounted terminal transmits data on the sidelink according to the resources allocated by the base station 110 .
  • the base station 110 may allocate resources for single transmission to the terminal, or may allocate resources for semi-static transmission to the terminal.
  • FIG. 2 is a schematic diagram of another communication system to which the embodiments of the present application are applicable.
  • the vehicle-mounted terminals (the vehicle-mounted terminal 131 and the vehicle-mounted terminal 132 ) independently select transmission resources for data transmission on the resources of the side link.
  • the in-vehicle terminal may randomly select transmission resources, or select transmission resources by means of listening.
  • Proximity-based Services (ProSe): Device-to-device communication in version 12 (release12, Rel-12) or version 13 (release13, Rel-13) is studied for ProSe scenarios, which are mainly for public Security business.
  • the resource pool is not continuous in the time domain, so that the UE can send/receive data discontinuously on the sidelink, thereby achieving the effect of power saving.
  • V2X Internet of Vehicles
  • version 14 release14, Rel-14
  • version 15 release15, Rel-15
  • the Internet of Vehicles system has been studied for the scenario of vehicle-to-vehicle communication, which is mainly for relatively high-speed moving vehicles , Vehicle-to-person communication business.
  • power efficiency is not the main problem, but the delay of data transmission is the main problem, so the system design requires the terminal equipment to perform continuous transmission and reception.
  • FeD2D Wearable Devices
  • NR V2X is not limited to broadcast scenarios, but is further extended to unicast and multicast scenarios, and the application of V2X is studied in these scenarios.
  • NR V2X can also define two resource authorization modes, Mode 1 (corresponding to the communication system shown in Figure 1 above) and Mode 2 (corresponding to the communication system shown in Figure 2 above); further, users may In a mixed mode, that is, you can use Mode 1 to acquire resources, and you can use Mode 2 to acquire resources at the same time.
  • the resource acquisition is indicated by means of sidelink authorization, that is, the sidelink authorization indicates the corresponding Physical Sidelink Control Channel (PSCCH) and Physical Sidelink Shared Channel (PSSCH) resources time-frequency location.
  • PSCCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Shared Channel
  • NR V2X introduces feedback-based HARQ retransmission, which is not limited to unicast communication, but can also include Multicast communication.
  • Mode 2 the resource selection manner in Mode 2 is described.
  • some new features are introduced, such as support for a large number of aperiodic services, an increase in the number of retransmissions, and a more flexible resource reservation period. All of these features have a great influence on the mode of autonomous resource selection of terminal equipment. Therefore, based on Mode 4 in LTE-V2X, a resource selection scheme suitable for NR-V2X is re-discussed and designed, which is denoted as Mode 2.
  • the UE selects the resource pool that is not reserved by other UEs or reserved by other UEs but is not reserved by other UEs by decoding the Sidelink Control Information (SCI) sent by other UEs and measuring the received power of the sidelinks. Receive resources with lower power.
  • the resource selection algorithm of NR-V2X mode 2 may include two main steps, that is, the UE first determines a candidate resource set, and then selects resources from the candidate resource set to send data.
  • Step 1 The UE determines a candidate resource set.
  • the UE takes all available resources in the resource selection window as the resource set A.
  • the UE determines whether the resource is reserved by other UEs according to the listening result in the resource listening window.
  • the UE performs resource exclusion according to the unlistened time slot and the first-order SCI heard.
  • the UE increases the RSRP threshold by 3dB, and repeats the steps. 1 until the number of remaining resources in resource set A is greater than or equal to this ratio.
  • the value of this ratio in NR-V2X is more flexible, and its possible values are ⁇ 20, 35, 50 ⁇ %, etc.
  • the specific ratio is based on resource Pools are configured or preconfigured by the network in units.
  • the resource set A after resource exclusion is the candidate resource set of the UE.
  • Step 2 The UE selects a transmission resource from the candidate resource set.
  • the UE randomly selects one or more transmission resources in resource set A with moderate probability.
  • the UE shall enable the selected certain retransmission resource to be indicated by the previously sent first order SCI.
  • the above exceptions include at least one of the following:
  • the UE After the UE performs resource exclusion, it cannot select a resource that satisfies the time domain restriction from the resource set A;
  • the UE Due to factors such as resource preemption, congestion control, and conflict with uplink services, the UE abandons transmission, so that the transmission resources of a certain retransmission are not indicated by the first-order SCI sent previously.
  • the UE should ensure any two selected time-frequency resources. If the previous transmission resource among them requires HARQ feedback, the two resources are separated by at least Z in the time domain.
  • the resource selection cannot meet the time domain restriction, such as when the PDB is short but the number of retransmissions is large, depending on the implementation of the UE, the selection of some retransmission resources may be abandoned or the HARQ feedback may be deactivated for certain transmissions.
  • the UE will discontinuously monitor the Physical Downlink Control Channel (PDCCH) according to the DRX configuration to save power.
  • the PDCCH carries the Cell Radio Network Temporary Identity (C- RNTI), cancel indication RNTI (Cancellation indication RNTI, CI-RNTI), configure scheduling RNTI (Configured Scheduling RNTI, CS-RNTI), interrupt transmission indication RNTI (Interrupted transmission indication RNTI, INT-RNTI), time slot format indication RNTI ( Slot Format Indication RNTI, SFI-RNTI), Semi-Persistent Channel State Information Radio Network Temporary Identity, SP-CSI-RNTI), Transmission Power Control Physical Uplink Control Channel RNTI (Transmit Power Control Physical Uplink Control Channel RNTI, TPC-PUCCH-RNTI), Transmit Power Control Physical Uplink Shared Channel RNTI (Transmit Power Control Physical Uplink Shared Channel RNTI, TPC-PUSCH-RNTI), Transmit Power Control Sounding Reference Signal RNTI (Transmit Power Control Sounding) Reference Signal
  • DRX Duration Timer (drx-onDurationTimer), DRX Slot Offset (drx-SlotOffset), DRX Deactivation Timer (drx-InactivityTimer), Downlink DRX Retransmission Timer (drx-RetransmissionTimerDL), Uplink DRX Retransmission Timer (drx-RetransmissionTimerUL), DRX long cycle start offset (drx-LongCycleStartOffset), DRX short cycle (drx-ShortCycle) parameters (optional): short DRX cycle (the Short DRX cycle), DRX short cycle timer ( drx-ShortCycleTimer) (optional), Downlink HARQ Round Trip Time Timer (Downlink HARQ Round Trip Time Timer, HARQ-RTT-TimerDL), Uplink DRX HARQ RTT Timer (Uplink DRX HARQ RTT, drx-HARQ-RTT- TimerUL), power saving wakeup
  • the UE will be in the DRX active state in the following cases:
  • the PDCCH indicates that there is a new transmission period.
  • the UE can perform the corresponding DRX behavior according to the DRX configuration of the network equipment.
  • the terminal equipment also needs to save power.
  • how to implement DRX on the sidelink is an urgent need. solved problem.
  • FIG. 3 is a schematic interaction diagram of a method for wireless communication according to an embodiment of the present application. As shown in FIG. 3 , the method 300 may include at least some of the following contents:
  • the terminal device receives a DRX configuration of the network device, where the DRX configuration is used to configure at least one DRX parameter.
  • the at least one DRX parameter may include any DRX parameter used for sideline discontinuous transmission.
  • the at least one DRX parameter includes at least one of the following:
  • the DRX offset may be an offset relative to a start position of a DRX cycle, such as a slot offset, a time offset, or a symbol offset, and the like.
  • the DRX cycle includes at least one of the following: DRX short cycle, DRX long cycle.
  • the DRX offset includes at least one of the following: DRX long cycle start offset, DRX short cycle start offset.
  • the DRX timer includes at least one of the following:
  • DRX Duration Timer eg, drx-onDurationTimer
  • DRX Deactivation Timer eg, drx-InactivityTimer
  • DRX Retransmission Timer eg, drx-RetransmissionTimer
  • Hybrid Automatic Repeat Request HARQ Round Trip Transmission Time Timer For example, drx-HARQ-RTT-Timer.
  • the method 300 further includes:
  • the terminal device determines the target resource corresponding to the at least one DRX parameter according to the type of the resource in the resource pool;
  • S330 Perform lateral transmission according to the target resource corresponding to the at least one DRX parameter.
  • the resource pool may be a resource pool configured by a network device, or a preconfigured resource pool.
  • the types of resources in the resource pool may include, but are not limited to, at least one of the following:
  • a resource that can be used to transmit sideline data for example, it can carry a Physical Sidelink Shared Channel (PSSCH) or a Physical Sidelink Control Channel (PSCCH);
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • PSBCH Physical Sidelink Broadcast Channel
  • Resources that cannot be used for sideline transmission such as reserved frames, uplink subframes (UL subframes), etc.
  • the resources in the resource pool may include resources that cannot be used to transmit sideline data, denoted as the first type of resources, and resources that can be used to transmit sideline data, such as resources that can carry PSSCH or PSCCH.
  • the resources of the first type may include time-domain resources of the first type, such as subframes (subframes), time slots or symbols, which are not limited in this application.
  • the S320 may include:
  • the terminal device When determining the target resource corresponding to at least one DRX parameter, the terminal device does not exclude the first type of resource in the resource pool.
  • the terminal device may include the resource of the first type into the target resource corresponding to the DRX parameter.
  • the terminal device does not exclude the first type of resources in the resource pool when determining the target resource corresponding to at least one DRX parameter, including:
  • the terminal device determines that the target resource corresponding to the first DRX parameter includes the resource of the first type.
  • the target count value corresponding to the first DRX parameter is 10
  • 10 time units need to be counted to obtain the candidate resources of the first DRX parameter.
  • the candidate resources of the first DRX parameter include resources of the first type
  • the resources of the first type are counted, that is, the target resources of the first DRX parameter may include the resources of the first type.
  • the counting manner in FIG. 4 is only an example, and in other embodiments, the countdown may also start from 10, which is not limited in this application.
  • time unit is a subframe and a time slot as an example for description, but the application is not limited to this, which can be flexibly adjusted according to actual needs or the function of the DRX parameter, which is not made in this application. limited.
  • the first DRX parameter includes the length of the DRX cycle
  • the determining the candidate resource corresponding to the first DRX parameter according to the first DRX parameter may include:
  • the resource of the length of the DRX cycle is determined as the candidate resource corresponding to the DRX cycle.
  • the terminal device includes the resource of the first type into the target resource corresponding to the DRX cycle. That is, when determining the DRX cycle, the terminal device counts the resources of the first type.
  • the target resource of the DRX cycle may include the resource of the first type.
  • the resources from subframe 2 to subframe 11 are the candidate resources corresponding to the DRX cycle. If subframe 4 is the first type of resource, then The target resources corresponding to the DRX cycle may include resources from subframe 2 to subframe 11.
  • the first DRX parameter includes a DRX offset
  • the determining the candidate resource corresponding to the first DRX parameter according to the first DRX parameter may include:
  • the resource whose length is the DRX offset is determined as the candidate resource corresponding to the DRX offset.
  • the terminal device includes the resource of the first type into the count value of the DRX offset. That is, when the terminal device counts the DRX offset, it can count the resources of the first type.
  • the target resource of the DRX offset may include the resource of the first type.
  • the resources of time slot 0 and time slot 1 are the candidate resources corresponding to the DRX offset. If the resource of the first type is used, the target resource corresponding to the DRX offset may include resources of time slot 0 and time slot 1.
  • the first DRX parameter includes a DRX counter
  • the determining the candidate resource corresponding to the first DRX parameter according to the first DRX parameter may include:
  • the resource between the stop time of the DRX counter is determined as the candidate resource corresponding to the DRX counter.
  • start condition and the stop condition of the DRX counter are designed according to the function of the timer, which is not limited in the present application.
  • the terminal device if the candidate resource corresponding to the DRX counter includes the resource of the first type, the terminal device counts the resource of the first type into the count value of the DRX counter. That is, when the terminal device counts the DRX counter, it counts the resources of the first type.
  • the target resource corresponding to the DRX counter may include resources from time slot 2 to time slot 9 .
  • the S330 may include:
  • the terminal device does not perform lateral transmission and/or lateral reception on the resource of the first type on the target resource.
  • the terminal device does not perform lateral transmission and/or lateral transmission on the resources of the first type during the running period of the DRX persistence timer. take over.
  • the terminal device may perform lateral transmission and/or lateral reception on available resources after the first type of resources on the target resource, so as to ensure that the terminal device can Delay requirements for line transmission.
  • the available resources may refer to resources available for transmitting sideline data, such as resources capable of carrying PSSCH or PSCCH.
  • the available resource may be the first available resource after the first type of resource.
  • the terminal device may send sidelink data on the first available subframe after the first type of resource, or perform sidelink data on the first available subframe after the first type of resource data reception.
  • the resource pool may include one or more resource pools configured on a terminal device, or may also include all resource pools configured on the terminal device.
  • the first type of resources is established for at least one resource pool, for example, one or all resource pools configured on the terminal device.
  • the first type of resource in the resource pool is counted, which is beneficial to simplify the computational complexity of the target resource corresponding to the DRX parameter, and is not described in the above.
  • Sending or receiving data on the first type of resources is conducive to ensuring the reliability of data transmission, and performing sideline data transmission on the first available resource after the first type of resources is conducive to ensuring the sideline data transmission. Delay requirements for transmission.
  • the S320 may include:
  • the terminal device When determining the target resource corresponding to at least one DRX parameter, the terminal device excludes the first type of resource in the resource pool.
  • the terminal device when determining the target resource corresponding to the DRX parameter, if the resource of the first type is encountered, the terminal device does not include the resource of the first type into the target resource corresponding to the DRX parameter.
  • the terminal device when determining the target resource corresponding to at least one DRX parameter, excludes the first type of resources in the resource pool, including:
  • the terminal device determines that the target resource corresponding to the first DRX parameter does not include the resource of the first type.
  • the target count value corresponding to the first DRX parameter is 10
  • 10 time units need to be counted to obtain the candidate for the first DRX parameter.
  • Resource if the candidate resource of the first DRX parameter includes the resource of the first type, the resource of the first type is not counted, that is, the counting is suspended, or in other words, the resource of the first type is skipped and counted again. In this case, The target resource corresponding to the first DRX parameter does not include the resource of the first type.
  • the counting manner in FIG. 5 is only an example, and in other embodiments, the countdown may also start from 10, which is not limited in this application.
  • the first DRX parameter includes the length of the DRX cycle
  • the determining the candidate resource corresponding to the first DRX parameter according to the first DRX parameter may include:
  • the resource of the length of the DRX cycle is determined as the candidate resource corresponding to the DRX cycle.
  • the terminal device does not include the resource of the first type into the target resource corresponding to the DRX cycle. That is, when the terminal device determines the DRX cycle, it does not count the resources of the first type. In this case, the target resource of the DRX cycle does not include the resource of the first type.
  • the resources from subframe 2 to subframe 11 are the candidate resources corresponding to the DRX cycle. If subframe 4 is the first type of resource, then The target resources corresponding to the DRX cycle may include resources from subframe 2 to subframe 12, and do not include resources in subframe 4.
  • the first DRX parameter includes a DRX offset
  • the determining the candidate resource corresponding to the first DRX parameter according to the first DRX parameter may include:
  • the resource whose length is the DRX offset is determined as the candidate resource corresponding to the DRX offset.
  • the terminal device does not include the resource of the first type into the count value of the DRX offset. That is, when the terminal device counts the DRX offset, it does not count the resources of the first type. In this case, the target resource of the DRX offset does not include the resource of the first type.
  • the resources of time slot 0 and time slot 1 are the candidate resources corresponding to the DRX offset. If the resource of the first type is used, the target resource corresponding to the DRX offset may include the resources of time slot 0 and time slot 2.
  • the first DRX parameter includes a DRX counter
  • the determining the candidate resource corresponding to the first DRX parameter according to the first DRX parameter may include:
  • the resource between the stop time of the DRX counter is determined as the candidate resource corresponding to the DRX counter.
  • start condition and the stop condition of the DRX counter are designed according to the function of the timer, which is not limited in the present application.
  • the terminal device if the candidate resource corresponding to the DRX counter includes the resource of the first type, the terminal device does not count the resource of the first type into the count value of the DRX counter. That is, when the terminal device counts the DRX counter, it does not count the resources of the first type.
  • the target resource corresponding to the DRX counter may include resources from time slot 2 to time slot 10 and does not include time slot 6 .
  • the S330 may include:
  • the terminal device performs lateral transmission and/or lateral reception on the target resource.
  • the resource pool may include one or more resource pools configured on a terminal device, or may also include all resource pools configured on the terminal device.
  • the first type of resources is established for at least one resource pool, for example, one or all resource pools configured on the terminal device.
  • the first type of resources in the resource pool is not counted, that is, the determined target resources corresponding to the DRX parameters are all resources that can be used to transmit sideline data , which is conducive to ensuring the number of target resources (or effective resources) corresponding to the DRX parameters.
  • the target resources corresponding to the DRX parameters can be directly used for sideline transmission, which is conducive to satisfying the sideline transmission. need.
  • the terminal device determines the target resource corresponding to the DRX parameter according to the resource type in the resource pool, and further performs sidelink transmission based on the target resource corresponding to the DRX parameter, which can control the DRX behavior on the sidelink, which is beneficial to Meet the power saving needs of the terminal.
  • FIG. 6 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • a communication unit 410 configured to receive a discontinuous reception DRX configuration sent by a network device, where the DRX configuration is used to configure at least one DRX parameter;
  • a processing unit 420 configured to determine the target resource corresponding to the at least one DRX parameter according to the type of the resource in the resource pool;
  • the communication unit 410 is further configured to perform lateral transmission according to the target resource corresponding to the at least one DRX parameter.
  • the at least one DRX parameter includes at least one of the following: a DRX cycle, a DRX offset, and a DRX counter.
  • the DRX cycle includes at least one of the following: a DRX short cycle and a DRX long cycle.
  • the DRX offset includes at least one of the following: a DRX time slot offset, and a DRX long cycle start offset.
  • the DRX timer includes at least one of the following:
  • DRX persistence timer DRX deactivation timer
  • DRX retransmission timer HARQ round trip transmission time timer for HARQ.
  • the processing unit 420 is further configured to:
  • the resource of the first type in the resource pool is not excluded.
  • the processing unit 420 is further configured to:
  • the candidate resource corresponding to the first DRX parameter includes the resource of the first type, it is determined that the target resource corresponding to the first DRX parameter includes the resource of the first type.
  • the first DRX parameter includes a DRX cycle
  • the processing unit 420 is further configured to:
  • the resource of the first type is included in the target resource corresponding to the DRX cycle.
  • the first DRX parameter includes a DRX counter
  • the processing unit 420 is further configured to:
  • the resource of the first type is included in the count value of the DRX counter.
  • the first DRX parameter includes a DRX offset
  • the processing unit 420 is further configured to:
  • the resource of the first type is included in the count value of the DRX offset.
  • the communication unit 410 is further configured to not perform lateral transmission and/or lateral reception on the resources of the first type on the target resource.
  • the communication unit 410 is further configured to:
  • the lateral transmission and/or the lateral reception is performed on resources available for lateral data transmission after the first type of resources on the target resource.
  • the processing unit 420 is further configured to:
  • the resource of the first type in the resource pool is excluded.
  • the processing unit 420 is further configured to:
  • the candidate resource corresponding to the first DRX parameter includes the resource of the first type, it is determined that the target resource corresponding to the first DRX parameter does not include the resource of the first type.
  • the first DRX parameter includes a DRX cycle
  • the processing unit 420 is further configured to:
  • the resource of the first type is not included in the target resource corresponding to the DRX cycle.
  • the first DRX parameter includes a DRX counter
  • the processing unit 420 is further configured to:
  • the resource of the first type is not included in the count value of the DRX counter.
  • the first DRX parameter includes a DRX offset
  • the processing unit 420 is further configured to:
  • the resource of the first type is not included in the count value of the DRX offset.
  • the communication unit 410 is further configured to: perform lateral transmission and/or lateral reception on the target resource.
  • the resources of the first type correspond to one or more resource pools configured on the terminal device.
  • the first type of resource corresponds to a resource pool configured on the terminal device.
  • the first type of resources includes at least one of the following resources:
  • the resources that cannot be used for sidelink transmission include at least one of the following: reserved frames and uplink subframes.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are for the purpose of realizing FIG. 3 to FIG. 5 , respectively.
  • the corresponding process of the terminal device in the shown method 300 is not repeated here for brevity.
  • FIG. 7 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 7 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 may call and run a computer program from the memory 620 to implement the methods in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 600 may specifically be the network device in this embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 600 may specifically be the mobile terminal/terminal device of the embodiments of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, for the sake of brevity. , and will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 8 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in this embodiment of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 may call and run a computer program from the memory 720 to implement the methods in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated in the processor 710 .
  • the chip 700 may further include an input interface 730 .
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740 .
  • the processor 710 can control the output interface 740 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 processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiment may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • 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 this embodiment 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 may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a 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, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , for brevity, will not be repeated here.
  • 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 embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, details are not repeated here.
  • the embodiments of the present application also provide a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
  • the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program is run on the computer, the mobile terminal/terminal device implements the various methods of the computer program in the embodiments of the present application.
  • the corresponding process for the sake of brevity, will not be repeated here.
  • the disclosed system, 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 application 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.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution.
  • the computer software product is 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 the various embodiments of the present application.
  • the aforementioned storage medium includes: 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 codes .

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Procédé de communication sans fil et dispositifs terminaux. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit une configuration de réception discontinue (DRX) envoyée par un dispositif de réseau, la configuration de DRX étant utilisée pour configurer au moins un paramètre de DRX ; en fonction du type de ressource dans un groupe de ressources, le dispositif terminal détermine une ressource cible correspondant à l'au moins un paramètre de DRX ; et effectue une transmission de liaison latérale en fonction de la ressource cible correspondant à l'au moins un paramètre de DRX.
PCT/CN2021/092147 2021-05-07 2021-05-07 Procédé de communication sans fil et dispositifs terminaux WO2022233031A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2021/092147 WO2022233031A1 (fr) 2021-05-07 2021-05-07 Procédé de communication sans fil et dispositifs terminaux
CN202180085864.6A CN116648968A (zh) 2021-05-07 2021-05-07 无线通信的方法和终端设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/092147 WO2022233031A1 (fr) 2021-05-07 2021-05-07 Procédé de communication sans fil et dispositifs terminaux

Publications (1)

Publication Number Publication Date
WO2022233031A1 true WO2022233031A1 (fr) 2022-11-10

Family

ID=83932537

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/092147 WO2022233031A1 (fr) 2021-05-07 2021-05-07 Procédé de communication sans fil et dispositifs terminaux

Country Status (2)

Country Link
CN (1) CN116648968A (fr)
WO (1) WO2022233031A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210050931A1 (en) * 2019-08-16 2021-02-18 Hyundai Motor Company Method and apparatus for transmitting sidelink data in communication system
CN112543442A (zh) * 2019-09-20 2021-03-23 维沃移动通信有限公司 非连续接收参数配置方法及设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210050931A1 (en) * 2019-08-16 2021-02-18 Hyundai Motor Company Method and apparatus for transmitting sidelink data in communication system
CN112399624A (zh) * 2019-08-16 2021-02-23 现代自动车株式会社 一种通信系统中第一终端的操作方法
CN112543442A (zh) * 2019-09-20 2021-03-23 维沃移动通信有限公司 非连续接收参数配置方法及设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUAWEI, HISILICON: "Sidelink resource allocation to reduce power consumption", 3GPP DRAFT; R1-2102323, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. E-meeting; 20210412 - 20210420, 7 April 2021 (2021-04-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052177043 *

Also Published As

Publication number Publication date
CN116648968A (zh) 2023-08-25

Similar Documents

Publication Publication Date Title
WO2022104545A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
US20230337320A1 (en) Wireless communication method and terminal device
WO2022095393A1 (fr) Procédé de détection et dispositif terminal
WO2022205095A1 (fr) Procédé de communication sans fil et dispositif terminal
WO2022077395A1 (fr) Procédé de transmission de liaison latérale et terminal
WO2022147797A1 (fr) Procédé et dispositif d'accès à un canal
WO2022021008A1 (fr) Procédé de détermination de ressources d'autorisation configurée de liaison latérale, et équipement terminal
WO2021237751A1 (fr) Procédé de transmission de données, équipement terminal et dispositif de réseau
WO2022233031A1 (fr) Procédé de communication sans fil et dispositifs terminaux
WO2022233033A1 (fr) Procédé et dispositif de communication sans fil
WO2022067729A1 (fr) Procédé de réception discontinue, dispositif terminal et dispositif de réseau
WO2023279258A1 (fr) Procédé de sélection de ressource et dispositif terminal
WO2022027679A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
US20240057215A1 (en) Method for wireless communication and terminal device
WO2022077214A1 (fr) Procédé de transmission d'avance temporelle ta commune, dispositif terminal et dispositif de réseau
WO2022193198A1 (fr) Procédé de demande de ressource de liaison latérale, dispositif terminal et dispositif de réseau
WO2022082785A1 (fr) Procédé de communication sans fil, et dispositif terminal et dispositif de réseau
WO2022165843A1 (fr) Procédé de transmission de liaison latérale et terminal
WO2022205155A1 (fr) Procédé de communication sans fil et équipement terminal
WO2022236488A1 (fr) Procédé de mesure de taux d'occupation de canal, dispositif terminal, et dispositif de réseau
WO2023115245A1 (fr) Procédé de communication sans fil et dispositif terminal
WO2023044735A9 (fr) Procédé de communication sans fil et dispositif terminal
WO2024060117A1 (fr) Procédé de communication sans fil et dispositif terminal
US20230363053A1 (en) Method for sidelink communication, terminal device, non-transitory computer-readable storage medium
WO2023133685A1 (fr) Procédé de communication sans fil et dispositif terminal

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: 21939678

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202180085864.6

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21939678

Country of ref document: EP

Kind code of ref document: A1