WO2022082806A1 - 无线通信的方法和装置 - Google Patents

无线通信的方法和装置 Download PDF

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Publication number
WO2022082806A1
WO2022082806A1 PCT/CN2020/123456 CN2020123456W WO2022082806A1 WO 2022082806 A1 WO2022082806 A1 WO 2022082806A1 CN 2020123456 W CN2020123456 W CN 2020123456W WO 2022082806 A1 WO2022082806 A1 WO 2022082806A1
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WO
WIPO (PCT)
Prior art keywords
timer
data
condition
information
terminal device
Prior art date
Application number
PCT/CN2020/123456
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English (en)
French (fr)
Inventor
余唱
常俊仁
谢曦
赵力
Original Assignee
华为技术有限公司
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.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2020/123456 priority Critical patent/WO2022082806A1/zh
Priority to CN202080105929.4A priority patent/CN116368756A/zh
Publication of WO2022082806A1 publication Critical patent/WO2022082806A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/28Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present application relates to the field of communication, and more particularly, to a method and apparatus for wireless communication.
  • V2X vehicle to everything
  • communication devices for example, vehicles
  • SL sidelink
  • HARQ hybrid automatic repeat request
  • stop-and-wait protocol stop-and-wait protocol
  • the present application provides a method and apparatus for wireless communication, which can reduce the impact of HARQ process management on services and improve user experience.
  • a method for wireless communication comprising: determining that a first process satisfies a first condition, the first process is used to transmit first sideline data; stopping a first timer, the first timer using In order to indicate the minimum duration for which retransmission is expected to be received, or the first timer is used to indicate the duration of staying awake; wherein, the first condition is that the first process is not occupied, or the first sideline data is decoded If successful, the feedback information of the first sideline data is sent, or the positive determination information ACK is received, or the positive determination information ACK is sent, or the negative determination information NACK is not received.
  • the working state of the first timer can be controlled and the continuous timing of the first timer can be avoided resulting in additional listening time and reduced energy consumption.
  • the "first process” may be understood as: the first sidelink SL process.
  • the first process is not occupied can be understood as: the first process is in an unoccupied state.
  • the wireless communication method may be executed by a terminal device on the receiving side or executed by a terminal device on the transmitting side.
  • the method further includes: determining that the first process satisfies a second condition, where the second condition is receiving second sideline data through the first process;
  • the stopping the first timer includes: determining that the first condition and the second condition are satisfied, and stopping the first timer.
  • the working state of the first timer can be controlled, the additional listening time caused by the continuous timing of the first timer can be avoided, energy consumption can be reduced, and the first timing can be avoided.
  • receiving the second side line data can be understood as receiving the second side line data after the first condition is satisfied.
  • the method further includes: starting or restarting the first timer according to configuration information corresponding to the second sideline data.
  • the method further includes: configuring the configuration information of the second sideline data according to the first signaling.
  • the configuration information may be discontinuous reception configuration information corresponding to the second sideline data.
  • the first signaling may be radio resource control RRC signaling.
  • the method further includes: the first process satisfies a third condition, and determining that the first process is not occupied; wherein the third condition is the first process One side row data is successfully decoded; or the third condition is that the first side row data fails to be decoded, and the first side row data is received on the second process.
  • the first process corresponds to one or more first timers, the first timers are associated with the first process, or the first timers Associated with the first process and the first information, the first information includes at least one of the following: a source identifier, a target identifier, a communication type, and a hybrid automatic repeat response (HARQ) attribute.
  • HARQ hybrid automatic repeat response
  • the first timer is a round-trip transmission time RTT timer or a retransmission timer.
  • the first timer may also be other timers for indicating the minimum duration for which retransmissions are expected to be received.
  • the first timer may also be another timer for indicating the duration of staying awake.
  • the method further includes, before stopping the first timer, starting the first timer.
  • the starting the first timer includes: determining that the first sideline data transmission fails, and starting the first timer.
  • the method includes: receiving negative acknowledgment information NACK; or sending negative acknowledgment information NACK to a network device; or not receiving first feedback.
  • a method for wireless communication comprising: determining that a fourth process satisfies a fourth condition, and the fourth process is used to transmit fourth sideline data; determining that the fourth process is not occupied;
  • the fourth condition is that the fourth sideline data transmission is completed and the fourth timer is not running. to indicate how long to stay awake.
  • the fourth condition is that the transmission of the fourth sideline data is completed, and the method includes: decoding the fourth sideline data successfully; or receiving newly transmitted data , the newly transmitted data and the fourth side row data correspond to the same transmission information, and the transmission information is used to identify the newly transmitted data.
  • the fourth condition is that the fourth sideline data transmission is completed, and the method further includes: receiving positive determination information ACK; or sending positive determination information ACK; or Negative acknowledgment information NACK is not received.
  • the fourth timer is not running, and the method includes: the fourth timer times out; or the fourth timer is in a stopped state.
  • the fourth timer when the fourth timer is in a stopped state, it is instructed to stop when the fourth timer is in a running state.
  • a wireless communication method comprising: determining that a first process satisfies a first condition, the first process is used to transmit first sideline data; stopping a first timer, the first The timer is used to indicate the minimum duration for which retransmission is expected to be received, or the first timer is used to indicate the duration of staying awake; wherein, the first condition is to send feedback information of the first sideline data, or to receive The positive determination information ACK is sent, or the positive determination information ACK is sent, or the negative determination information NACK is not received.
  • the method further includes, before stopping the first timer, starting the first timer.
  • the starting the first timer includes: determining that the first sideline data transmission fails, and starting the first timer.
  • the method includes: receiving negative acknowledgment information NACK; or sending negative acknowledgment information NACK to a network device; or not receiving first feedback.
  • a wireless communication method comprising: determining that a fourth process satisfies a fourth condition, and the fourth process is used to transmit fourth sideline data; determining that the fourth process is not occupied; wherein , the fourth condition is that the fourth sideline data transmission is completed, and the fourth timer is not running, the fourth timer is used to indicate the minimum length of time for which retransmissions are expected to be received, or the first timer is used to Indicates how long to stay awake.
  • the fourth condition is that the fourth sideline data transmission is completed, and the method further includes: receiving positive determination information ACK; or sending positive determination information ACK; or Negative acknowledgment information NACK is not received.
  • the fourth timer is not running, and the method includes: the fourth timer times out; or the fourth timer is in a stopped state.
  • a communication device comprising: a transceiver unit and a processing unit, the processing unit is configured to determine that a first process satisfies a first condition, and the first process is used to transmit first sideline data; The processing unit is further configured to stop a first timer, where the first timer is used to indicate the minimum duration for which retransmissions are expected to be received, or the first timer is used to indicate the duration of staying awake; wherein the first timer is The condition is that the first process is not occupied, or the first sideline data is successfully decoded, or the feedback information of the first sideline data is sent, or the positive confirmation information ACK is received, or the positive confirmation information ACK is sent, or Negative acknowledgment information NACK is not received.
  • the apparatus further includes: the processing unit, further configured to determine that the first process satisfies a second condition, where the second condition is to pass the first process The process receives the second sideline data; the processing unit is further configured to stop the first timer, including: the processing unit is further configured to determine that the first condition and the second condition are satisfied to stop the first timer a timer.
  • the apparatus further includes: the processing unit, further configured to start or restart the first timer according to configuration information corresponding to the second sideline data.
  • the apparatus further includes: the processing unit, further configured to configure configuration information of the second sideline data according to the first signaling.
  • the apparatus further includes: the processing unit, further configured to determine that the first process is not occupied when the first process satisfies a third condition; wherein , the third condition is that the decoding of the first side line data is successful; or the third condition is that the decoding of the first side line data fails, and the transceiver unit receives the first side line in the second process. row data.
  • the first process corresponds to one or more first timers, the first timers are associated with the first process, or the first timers Associated with the first process and the first information, the first information includes at least one of the following: a source identifier, a target identifier, a communication type, and a hybrid automatic repeat response (HARQ) attribute.
  • HARQ hybrid automatic repeat response
  • the first timer is a round-trip transmission time RTT timer or a retransmission timer.
  • the apparatus further includes, before stopping the first timer, the processing unit is further configured to start the first timer.
  • the starting the first timer includes: the processing unit determines that the first sideline data transmission fails, and the processing unit starts the first timer device.
  • the processing unit determining that the transmission of the first sideline data fails includes: the processing unit determining that the negative acknowledgment information NACK is received; or the processing unit determining to The network device sends negative determination information NACK; or the processing unit determines that the first feedback information is not received, and the first feedback information is associated with the first sidelink data.
  • a communication apparatus in a sixth aspect, includes: a processing unit and a transceiver unit, the processing unit is configured to determine that a fourth process satisfies a fourth condition, and the fourth process is configured to transmit a fourth side line data; the processing unit is further configured to determine that the fourth process is not occupied; wherein, the fourth condition is that the processing unit determines that the transmission of the fourth sideline data is completed and the fourth timer is not running, The fourth timer is used to indicate the minimum duration for which retransmissions are expected to be received, or the first timer is used to indicate the duration of staying awake.
  • the fourth condition is that the processing unit determines that the transmission of the fourth side row data is completed, including: the processing unit determines that the fourth side row data is decoded success; or the processing unit determines that newly transmitted data is received, and the newly transmitted data and the fourth sideline data correspond to the same transmission information, and the transmission information is used to identify the newly transmitted data.
  • the fourth condition is that the processing unit determines that the fourth sideline data transmission is completed, including: the processing unit determines that positive determination information ACK is received; The processing unit determines to send the positive determination information ACK; or the processing unit determines that the negative determination information NACK is not received.
  • the fourth timer is not running, and the apparatus includes: the fourth timer times out; or the fourth timer is in a stopped state.
  • a communication device comprising a module or unit for performing the method in the first aspect or any possible implementation manner of the first aspect, or for performing the second aspect or the second aspect.
  • the module or unit may be a hardware circuit, or software, or a hardware circuit combined with software implementation.
  • a communication device comprising a module or unit for performing the method in the third aspect and any possible implementation manner of the third aspect, or for performing the fourth aspect and the fourth aspect
  • a module or unit of the method in any possible implementation manner of the aspect may be a hardware circuit or software, or may be implemented by a hardware circuit combined with software.
  • a communication device comprising a processor and a memory, the memory stores a program or an instruction, and the processor is configured to call and execute the program or instruction from the memory, so that the device executes
  • the first aspect or the method in any possible implementation manner of the first aspect, or the method in the second aspect or any possible implementation manner of the second aspect.
  • the apparatus further includes a transceiver.
  • the processor is coupled to the memory.
  • a communication device comprising a processor and a memory, the memory stores a program or an instruction, the processor is configured to call and execute the program or the instruction from the memory, so that the device executes
  • the third aspect and the method in any possible implementation manner of the third aspect, or the method for implementing the fourth aspect and any possible implementation manner of the fourth aspect.
  • the apparatus further includes a transceiver.
  • the processor is coupled to the memory.
  • a communication device in an eleventh aspect, includes: at least one processor and a communication interface, the communication interface is used for the device to perform information interaction with other devices, when a program instruction is processed in the at least one When executed in the device, the apparatus is caused to execute the method in the first aspect or any possible implementation manner of the first aspect, or execute the method in the second aspect or any possible implementation manner of the second aspect.
  • the communication interface may be a transceiver, circuit, bus, module, pin or other type of communication interface.
  • the apparatus further includes a memory, and the memory is used for storing instructions and data, and when the processor executes the instructions stored in the memory, it can implement the first aspect or any of the possible possibilities of the first aspect. Implement the method described in the implementation manner, or execute the method in the second aspect or any of the possible implementation manners of the second aspect.
  • a twelfth aspect provides an apparatus, the apparatus includes: at least one processor and a communication interface, the communication interface is used for the apparatus to exchange information with other apparatuses, when a program instruction is executed in the at least one processor
  • the apparatus is made to perform, or used to implement the fourth aspect and any possible implementation manner of the fourth aspect. method in .
  • the communication interface may be a transceiver, circuit, bus, module, pin or other type of communication interface.
  • the device further includes a memory, and the memory is used for storing instructions and data, and when the processor executes the instructions stored in the memory, the above-mentioned third aspect and any possibility of the third aspect can be implemented.
  • a thirteenth aspect provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when the computer program runs on a computer, the computer is made to execute the first aspect or the first The method described in any one of the possible implementations of the aspect, or the second aspect or the method in any of the possible implementations of the second aspect.
  • a fourteenth aspect provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when the computer program runs on a computer, the computer is made to execute the third aspect and the third A method in any possible implementation manner of the aspect, or a method for implementing the above-mentioned fourth aspect and any possible implementation manner of the fourth aspect.
  • a fifteenth aspect provides a computer program product comprising instructions, which, when the computer program product runs on a computer, causes the computer to execute the method described in the first aspect or any possible implementation manner of the first aspect, Or perform the method in the second aspect or any of the possible implementation manners of the second aspect.
  • a sixteenth aspect provides a computer program product comprising instructions, when the computer program product is run on a computer, the computer executes the above-mentioned third aspect and the method in any possible implementation manner of the third aspect, Or a method for implementing the fourth aspect and any possible implementation manner of the fourth aspect.
  • a seventeenth aspect provides a communication system, including the communication device described in the fifth aspect, seventh aspect, ninth aspect or eleventh aspect, and the sixth aspect, eighth aspect, and tenth aspect. or the communication device described in the twelfth aspect.
  • FIG. 1 is a schematic diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the dynamic association form allocating SL process.
  • FIG. 3 is a schematic diagram of the working mode of the retransmission timer.
  • FIG. 4 is a schematic diagram of a process of a receiver managing a timer in the prior art.
  • FIG. 5 is a schematic diagram of a process of a receiver managing a timer in the prior art.
  • FIG. 6 is a schematic diagram of a process of a receiver managing a timer in the prior art.
  • FIG. 7 is a schematic diagram of a process of a receiver managing a timer in the prior art.
  • FIG. 8 is a schematic diagram of a process of a receiver managing a timer in the prior art.
  • FIG. 9 is a schematic flowchart of a method for wireless communication provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a process of managing a timer on a receiving side in a wireless communication method provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a process of managing a timer on a receiving side in a wireless communication method provided by an embodiment of the present application.
  • FIG. 12 is a schematic diagram of a process of managing a timer on a receiving side in a wireless communication method provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of a process of managing a timer on a receiving side in a wireless communication method provided by an embodiment of the present application.
  • FIG. 14 is a schematic flowchart of a wireless communication method provided by an embodiment of the present application.
  • FIG. 15 is a schematic diagram of a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • FIG. 16 is a schematic diagram of a process of managing a timer on a receiving side in a wireless communication method provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a process of managing a timer on a receiving side in a wireless communication method provided by an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • FIG. 19 is a schematic flowchart of a method for wireless communication provided by an embodiment of the present application.
  • FIG. 20 is a schematic flowchart of another wireless communication method provided by an embodiment of the present application.
  • FIG. 21 is a schematic flowchart of still another wireless communication method provided by an embodiment of the present application.
  • FIG. 22 is a schematic diagram of a communication apparatus provided by an embodiment of the present application.
  • FIG. 23 is a schematic diagram of a communication apparatus provided by an embodiment of the present application.
  • FIG. 24 is a schematic diagram of a terminal device provided by an embodiment of the present application.
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunication system
  • 5th generation new radio
  • NR new radio
  • FIG. 1 shows a schematic diagram of a wireless communication system 100 provided by an embodiment of the present application.
  • the wireless communication system applicable to this embodiment of the application may include at least two terminal devices, such as the terminal devices 102 , 103 , 104 , 105 , 106 , 107 , and 108 in the communication system 100 shown in FIG. 1 .
  • the wireless communication system applicable to the embodiments of the application may further include at least one network device, such as the network device 101 in the wireless communication system 100 shown in FIG. 1 .
  • a sidelink (sidelink, SL) may be established between the at least two terminal devices, for example, a sidelink is established between the terminal device 104 and the terminal devices 106, 107, and 108 in FIG. 1, for example, the terminal device in FIG.
  • the terminal device 104 in FIG. 1 establishes sidelinks with multiple devices.
  • the terminal device in the wireless communication system can also establish a wireless connection with a network device for data communication. As shown in FIG. 1 , the terminal devices 102 and 104 respectively establish a wireless link with the network device 101 .
  • the terminal device in the wireless communication system may also not establish a wireless link with the network device, such as the terminal device 103 shown in FIG. 1 , the terminal device that does not establish a wireless link with the network device may also establish wireless Links, such as the terminal device 103 in FIG. 1 respectively establishes wireless links with the terminal devices 105 and 106 . It should be understood that the above wireless communication system is only a schematic example, which is not limited in this application.
  • the terminal device may be a device that provides voice/data connectivity to the user, such as a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • some examples of terminals are: mobile phone (mobile phone), tablet computer, notebook computer, PDA, mobile internet device (MID), wearable device, virtual reality (virtual reality, VR) device, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, and smart grids wireless terminal in transportation safety, wireless terminal in smart city, wireless terminal in smart home, cellular phone, cordless phone, session initiation protocol , SIP) telephones, wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, automotive Devices, wearable devices, terminal devices in the future 5G network, or terminal devices in the future evolved public land mobile network (public land mobile network, PLMN), etc., are not limited in this embodiment of the present
  • 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 terminal device may also be a terminal device in an Internet of Things (IoT) system.
  • IoT Internet of Things
  • IoT is an important part of the future development of information technology, and its main technical feature is that items pass through communication technology Connect with the network, so as to realize the intelligent network of human-machine interconnection and interconnection of things.
  • the IOT technology can achieve massive connections, deep coverage, and power saving of terminals through, for example, a narrow band (narrow band) NB technology.
  • the NB may include one resource block (resource bloc, RB), that is, the bandwidth of the NB is only 180KB.
  • resource bloc resource block
  • the terminals must be discrete in access. According to the communication method of the embodiment of the present application, the congestion problem of the massive terminals of the IOT technology when accessing the network through the NB can be effectively solved.
  • the network device in this embodiment of the present application may be a device used to communicate with a terminal device, and the network device may also be referred to as an access network device or a radio access network device.
  • the network device may be an evolution of the LTE system. It can also be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device can be a relay station, an access point, an in-vehicle device, a Wearable devices and network devices in the future 5G network or network devices in the future evolved PLMN network, etc., can be an access point (AP) in a WLAN, or a new wireless system (new radio, NR) system.
  • the gNB embodiments of the present application are not limited.
  • the network device is a device in the RAN, or in other words, a RAN node that accesses the terminal device to the wireless network.
  • a network device it can be listed as: gNB, transmission reception point (TRP), evolved Node B (evolved Node B, eNB), radio network controller (radio network controller, RNC) ), node B (node B, NB), base station controller (BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), Baseband unit (base band unit, BBU), or wireless fidelity (wireless fidelity, Wifi) access point (access point, AP), etc.
  • TRP transmission reception point
  • eNB evolved Node B
  • RNC radio network controller
  • node B node B
  • BSC base station controller
  • BTS base transceiver station
  • home base station for example, home evolved NodeB, or home Node B, HNB
  • a network device may include a centralized unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node, or a control plane CU node (CU).
  • CU centralized unit
  • DU distributed unit
  • RAN device including a CU node and a DU node, or a control plane CU node (CU).
  • CU-UP nodes user plane CU nodes
  • a network device provides services for a cell
  • a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell
  • the cell may be a cell corresponding to the network device (for example, a base station). It can belong to a macro base station, or it can belong to a base station corresponding to a small cell.
  • the small cell here can include: urban cell (metro cell), micro cell (micro cell), pico cell (pico cell), femto cell ( femto cell), these small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • a carrier in an LTE system or a 5G system can have multiple cells working on the same frequency at the same time.
  • the concepts of the above-mentioned carrier and cell can also be considered equivalent.
  • CA carrier aggregation
  • the carrier index of the secondary carrier and the cell identification (Cell ID) of the secondary cell operating on the secondary carrier are carried at the same time.
  • the concepts of the carrier and the cell are equivalent, for example, the terminal equipment accessing a carrier is equivalent to accessing a cell.
  • the communication system of the present application can also be applied to the vehicle to everything (V2X) technology, that is, the terminal device of the present application can also be a car, for example, a smart car or an autonomous car.
  • V2X vehicle to everything
  • V2X represents different communication targets.
  • V2X can include but is not limited to: vehicle to vehicle (V2V), vehicle to infrastructure (V2I), vehicle to network (vehicle to network, V2N), and vehicle to pedestrian (V2P).
  • V2V vehicle to vehicle
  • V2I vehicle to infrastructure
  • V2N vehicle to network
  • V2P vehicle to pedestrian
  • a network device can configure a "zone" for the UE.
  • the area may also be referred to as a geographic area.
  • regions the world will be divided into regions, which are defined by reference points, length, and width.
  • the UE determines an area identifier (identifier, ID), it will use the length and width of the area, the number of areas above the length, the number of areas above the width, and reference points to perform the remaining operations.
  • ID area identifier
  • the above information can be configured by the network device.
  • V2X services can be provided in two ways: namely, the way based on the PC5 interface and the way based on the Uu interface.
  • the PC5 interface is an interface defined on the basis of a sidelink, and by using this interface, communication transmission can be directly performed between communication devices (eg, automobiles).
  • the PC5 interface can be used outside of coverage (OOC) and in coverage (IC), but only authorized communication devices can use the PC5 interface for transmission.
  • a sidelink (sidelink, SL) mode may be used for communication between a user equipment (user equipment, UE) and the UE.
  • the resource allocation on the sidelink supports two modes, namely, the scheduling mode (can be called: mode1) and the UE autonomous resource selection mode (can be called: mode2):
  • the scheduling mode requires the UE to be in a radio resource control (radio resource control, RRC) connected state.
  • RRC radio resource control
  • the UE first requests resources from a network device (eg, an eNB), and then the network device allocates control and data resources on the V2X cut-through link.
  • the scheduling in the scheduling mode may include semi-persistent scheduling (SPS).
  • SPS semi-persistent scheduling
  • the UE in the connected state of V2X communication transmits data on the sidelink
  • the UE needs to first send a buffer status report (BSR) to the base station (or network device) to report the sidelink that currently needs to be transmitted.
  • BSR buffer status report
  • the amount of data so that the base station allocates sidelink resources of an appropriate size according to the amount of data.
  • a scheduling request When the UE does not report the uplink resources of the BSR, a scheduling request (SR) is triggered.
  • the UE When the UE is configured with SR resources, the UE sends an SR request message to the base station through the SR resources, requesting the base station to allocate uplink resources for sending the BSR.
  • the base station After receiving the SR request message, the base station allocates an uplink transmission grant to the UE according to the scheduling result for the UE to send a BSR request.
  • the UE selects transmission resources by itself and autonomously adjusts the transmission format of control and data on the V2X cut-through link. Specifically, that is, when the UE performing sidelink communication needs to transmit data on the sidelink, the UE can select resources from the resource pool configured or preconfigured by the base station for performing data on the sidelink. transmission.
  • the resource pool configured by the base station may be configured through system information, or may be configured through dedicated signaling after receiving a request from the user equipment to perform sidelink communication, or may be configured in a pre-configured manner.
  • the UE selects a corresponding resource pool according to the zone in which it is located.
  • the resource pool may also be called a resource set or a resource group, and a resource pool may include one or more resources, for example, V2X resources.
  • the resource pool may be pre-configured by the access device for the UE.
  • the UE uses the function of sensing.
  • “monitoring” may also be referred to as measurement or detection. Based on the sensing result, the UE performs resource selection and reserves multiple resources.
  • the resource pool may refer to resources used for sidelink control information and data transmission.
  • the resources in the resource pool include at least one of time domain resources, frequency domain resources and time-frequency domain resources.
  • the resources may include resource blocks (RBs) RBs.
  • RBs resource blocks
  • a resource may include a subchannel subchannel composed of consecutive multiple RBs, where the subchannel may be the smallest unit of scheduling/data transmission on a sidelink (sidelink).
  • the UE may report location information to the access device, and this reporting may use the existing periodic measurement reporting signaling and procedures.
  • V2X resources may include a common (common) type resource pool, a special (exceptional) type resource pool, and a dedicated (dedicated) type resource pool.
  • the network device may configure the terminal device to execute the other resource selection mode.
  • the UE can only be configured to perform one of the two voluntary selection modes. If the UE previously worked in the scheduling mode, the sidelink BSR was triggered due to the need for sidelink communication and data to be transmitted, and no report was made at this time. The uplink resource of the BSR triggers the SR and is in the suspended state. On the premise that all suspended SRs are triggered by the sidelink BSR, if the UE working in the scheduling mode is reconfigured to work in the autonomous mode, it will be cancelled. All pending SRs. For another example, in NR V2X, the UE can be configured to support both scheduled mode and autonomous mode.
  • PUSCH transmission is divided into two types: uplink transmission based on dynamic grant (grant) and uplink transmission without dynamic grant.
  • the gNB schedules the dynamic grant (dynamic grant, DG) to the UE.
  • the UE sends a buffer status report (BSR) to the base station to request the base station to schedule uplink resources. If there is no uplink resource to report the BSR at this time, the terminal needs to trigger a scheduling request (SR).
  • BSR buffer status report
  • the base station After receiving the scheduling request from the UE, the base station indicates the time-frequency resource information of the UL grant in the DCI by sending downlink control information (DCI) to the UE. That is, the UE needs to monitor the DCI on the PDCCH to obtain the UL grant.
  • DCI downlink control information
  • the stop-and-wait protocol can be applied to send data in a hybrid automatic repeat request (HARQ) HARQ process.
  • HARQ hybrid automatic repeat request
  • the terminal device on the sending side sends a transport block (TB) to the terminal device on the receiving side and waits for confirmation information.
  • the terminal device on the receiving side acknowledges the transport block TB, for example, by a 1-bit positive acknowledgment message (ACK) or a negative acknowledgment message (NACK).
  • ACK 1-bit positive acknowledgment message
  • NACK negative acknowledgment message
  • Multiple parallel stop-and-wait protocols When one HARQ process is waiting for acknowledgment information, the terminal device on the sending side can use another HARQ process to continue sending data. Multiple HARQ processes together form a HARQ entity (HARQ entity). The HARQ entity combines the stop-and-wait protocol to allow continuous transmission of data at the same time.
  • Each HARQ entity corresponds to a limited number of HARQ processes.
  • Each HARQ process corresponds to an independent HARQ buffer (buffer) at the receiving end, which is used for soft combining of the received data.
  • unicast and multicast support HARQ feedback, that is, the terminal equipment on the receiving side provides feedback for each sidelink SL transmission sent by the terminal equipment on the transmitting side. For example, if the terminal device on the receiving side successfully receives the TB sent by the terminal device on the transmitting side, it feeds back an ACK; for another example, if the terminal device on the receiving side fails to receive the TB, it feeds back a NACK.
  • HARQ entity for SL transmission and the HARQ entity for uplink UL transmission are independent.
  • Each terminal device corresponds to one or more HARQ entities. It should be noted that one HARQ process can only process one TB in one transport time interval (TTI), one HARQ process corresponds to one TB, and each HARQ process has an independent HARQ buffer at the receiving end for The received data is soft combined. Each HARQ process corresponds to a HARQ process ID (process ID). The retransmission resource corresponds to the HARQ process identifier, and corresponding retransmission data is sent on the retransmission resource corresponding to the HARQ process identifier.
  • TTI transport time interval
  • process ID transport time interval
  • the retransmission resource corresponds to the HARQ process identifier, and corresponding retransmission data is sent on the retransmission resource corresponding to the HARQ process identifier.
  • one UE corresponds to one or more MAC entities.
  • the MAC entity of each transmitting-side terminal device maintains corresponding one or more HARQ entities for communicating with network devices, and corresponds to one or more HARQ entities communicating with other terminal devices (eg, receiving-side terminal devices).
  • a plurality of SL processes are maintained corresponding to the HARQ entities communicating with other UEs.
  • terminal device #B When performing a sidelink service, terminal device #B (that is, an example of a terminal device on the transmitting side, for example, the terminal device 104 in FIG. 1 ) determines from the sidelink SL process on the transmitting side a transport block for transmitting TB's SL process. Optionally, the terminal device #B can determine the SL process according to its working mode.
  • terminal device #B works in mode1 (that is, when the terminal device on the sending side sends buffered SL data, it requests SL resources from the network device):
  • Step 1 terminal equipment #B receives the downlink control information DCI sent by the network equipment, obtains the HARQ ID in the DCI, and the DCI is used for the network equipment to schedule the side downlink SL resources,;
  • Step 2 determine an SL process for processing the resource in the SL process of terminal equipment #B, and associate the selected SL process with the HARQ ID in the DCI;
  • Step 3 The terminal device #B carries the determined identification ID of the SL process in the sideline control information SCI, and sends it to the terminal device #A through the sidelink.
  • Step 1 terminal equipment #A receives the sideline control information SCI sent by terminal equipment #B, and judges that the data to be transmitted is newly transmitted data or retransmitted data;
  • Step 2 When the data to be transmitted is newly transmitted data, the terminal device #A allocates a SL process to receive the data corresponding to the SCI, and associates the SL process with the SCI (for example, information such as ID).
  • the SL process is an unoccupied SL process.
  • the terminal device #A associates the SL process ID indicated in the received SCI with the determined SL process ID.
  • Step 3 Decode the received data (transport block).
  • the SL process identifier carried in the SCI is determined by the terminal device on the sending side.
  • the terminal device on the receiving side can receive SL transmissions from multiple terminal devices on the sending side.
  • Different terminal devices on the sending side can indicate the same SL process identifier (ID) in the corresponding SCI, and the terminal device on the receiving side uses dynamic association to allocate for receiving.
  • SL process FIG. 2 is a schematic diagram of a process of assigning SLs in a dynamic association form according to an embodiment of the present application.
  • the dynamic resource extension DRX configuration includes the configuration parameter of the timer drx-HARQ-RTT-TimerDL (or UL), which is configured per DL HARQ process or per UL HARQ process, and is related to retransmission, indicating that the UE receives the expected The minimum time to wait before sending the desired uplink retransmission scheduling (or before sending the desired uplink retransmission data).
  • the round trip time (round trip time, RTT) timer can be understood as the processing time of the base station. During this period, the terminal device determines that there is no retransmission scheduling.
  • the terminal device When the wake-up condition is not met, the terminal device is in a sleep state; when the RTT timer expires, the base station has completed processing and may need to schedule DL retransmission.
  • the terminal device starts drx-RetransmissionTimerDL to return to the wake-up state to monitor the retransmission schedule .
  • FIG. 3 shows a schematic diagram of the working manner of the retransmission timer provided by the embodiment of the present application.
  • the timer works as follows:
  • the UE receives a medium access control MAC protocol data unit PDU on the DL SPS, or, the UE receives the PDCCH indicating DL allocation, and starts the timer in the first symbol after sending the DL feedback ;
  • Timeout For a certain HARQ process, if the RTT timer times out and the UE does not successfully decode the data, start drx-RetransmissionTimerDL.
  • FIG. 4 to 8 show schematic diagrams of possible methods for managing timers in the prior art. As shown in FIG. 4 to FIG. 8 , the method shows a possible implementation method for the terminal device on the receiving side to process the timer.
  • FIG. 4 shows a schematic diagram of a process of managing a timer by a receiver in the prior art.
  • the method shown in FIG. 4 can be performed by the terminal device on the receiving side in FIG. 1 , such as by the terminal device #A.
  • the execution steps of the method are as follows:
  • Step 1 Terminal device #A receives transport block TB1, and allocates SL process #A1 for receiving this TB1.
  • Step 2 The terminal device #A determines that the SL process #A1 is not occupied.
  • the terminal device #A determines that the SL process #A1 is not occupied, and the terminal device #A may receive newly transmitted data for the same transmission information #A1.
  • the terminal device #A assigns the process #A2 to receive
  • the transmission information #A1 contains at least one or more of the following: source identifier, target identifier, communication type, HARQ attribute of HARQ response, HARQ process ID, and sidelink process ID.
  • the method for judging the received data as newly transmitted data is described by taking the transmission of the transmission information through the PSCCH channel as an example, that is, carried in the SCI for transmission.
  • Step 3 The terminal device #A sends the feedback information FB corresponding to the TB1 to the terminal device #B (an example of the terminal device on the transmitting side), and starts or restarts the RTT timer corresponding to the SL process #A1 according to the DRX configuration information 1 corresponding to the TB1. .
  • timer RTT1 timed out, it will automatically stop; and the retransmission timer is started to make the terminal device in an awake state for monitoring retransmission data and/or other sidelink transmissions.
  • the terminal device #A may allocate the SL process #A1 to receive data. It can be understood that, after the SL process #A1 is determined to be not occupied, starting the retransmission timer to monitor the transmission of the side link will increase the activation time and increase the power consumption.
  • FIG. 5 shows a schematic diagram of a process of managing a timer by a receiver in the prior art.
  • the method shown in FIG. 5 may be performed by the terminal device on the receiving side in FIG. 1 , such as by terminal device #A.
  • the execution steps of the method are as follows:
  • Step 1 Terminal device #A decodes transport block TB1 received on SL process #B1.
  • Step 2 The terminal device #A determines that the SL process #B1 is not occupied.
  • Step 3 The terminal device #A sends the feedback information FB1 corresponding to the TB1 to the terminal device #B (an example of the terminal device on the sending side), and starts or restarts the RTT timer corresponding to the SL process #B1 according to the DRX configuration information 1 corresponding to the TB1. .
  • the timer RTT1 is associated with the SL process #B1.
  • Step 4 The terminal device #A receives the transport block TB3 sent by the terminal device #B through the SL process #B1.
  • the moment when the terminal device #A receives the TB3 may be within the timing interval corresponding to the RTT1, as shown in FIG. 5 .
  • the moment when the terminal device #A receives the TB3 may also be located between the timing intervals of the retransmission timer. This application does not limit this.
  • the terminal device #A may assign the SL process #B1 to receive newly transmitted data. It can be understood that, after the SL process #B1 is determined to be unoccupied, starting the retransmission timer to monitor the transmission of the side link will increase the activation time and increase the power consumption.
  • FIG. 5 shows a case where one timer is associated with one process, for example, RTT1 and SL process #B1.
  • one process may also correspond to multiple timers.
  • FIG. 6 shows a schematic diagram of a process of managing a timer by a receiver in the prior art, wherein the SL process #C1 may correspond to RTT1 and RTT2.
  • the RTT1 may be associated with the SL process #C1 and the information #C1
  • the RTT2 may be associated with the SL process #C1 and the information #C2
  • the information #C1 corresponds to TB1, and is used to indicate the transmission characteristics of TB1
  • the information #C2 and TB3 Correspondingly, it is used to indicate the transmission characteristics of TB1, wherein information #C1 and information #C2 can be at least one of the following: source identification, target identification, communication type, hybrid automatic repeat response HARQ attribute, HARQ process ID, sidelink process ID, Information #C1 and information #C2 are different.
  • SL process #C1 may correspond to RTT1 and RTT2, terminal device #A sends feedback information FB3 corresponding to TB3, and can configure the RTT2 timing duration and start the RTT2 according to the DRX configuration information DRX2 corresponding to TB3. It can be understood that after the terminal device #A determines that the SL process #C1 is not occupied, it starts the timer RTT1 when the feedback signal FB1 of the TB1 is sent, the timer RTT1 times out, and starts the retransmission timer to monitor the transmission of the side link. , will increase the activation time and increase the power consumption.
  • FIG. 7 shows a schematic diagram of a process of managing a timer by a receiver in the prior art.
  • the method shown in FIG. 5 may be performed by the terminal device on the receiving side in FIG. 1 , such as by terminal device #A.
  • the execution steps of the method are as follows:
  • Step 1 Terminal device #A decodes transport block TB1 received on SL process #D1.
  • Step 2 The terminal device #A determines that the TB1 is successfully decoded, and determines that the SL process #B1 is not occupied.
  • Step 3 The terminal device #A sends the feedback signal FB1 corresponding to the TB1 to the terminal device #B (an example of the terminal device on the transmitting side), and starts the RTT timer corresponding to the SL process #D1 according to the DRX configuration information DRX1 corresponding to the TB1.
  • the timer RTT is associated with the SL process #B1.
  • Step 4 The terminal device #A receives the transport block TB2 sent by the terminal device #B through the SL process #D1.
  • Step 5 The terminal equipment #A sends the feedback signal FB2 corresponding to the TB2 to the terminal equipment #B.
  • the moment when the terminal device #A receives the TB3 may be within the timing interval corresponding to the RTT timer, as shown in FIG. 7 .
  • the moment when the terminal device #A receives the TB3 may also be located between the timing intervals of the retransmission timer. This application does not limit this.
  • the time domain position of the receiving TB2 may not be within the timer interval of the RTT timer or the retransmission timer, which is not limited in this application. This application does not limit this.
  • the terminal device #A may assign the SL process #D1 to receive newly transmitted data.
  • FIG. 7 shows a situation where one timer is associated with one process.
  • one process may also correspond to multiple timers.
  • FIG. 8 shows a schematic diagram of a process of managing a timer by a receiver in the prior art.
  • One process in FIG. 8 corresponds to multiple timers, which is similar to the situation in which the SL process #C1 shown in FIG. 6 may correspond to RTT1 and RTT2. To avoid redundant descriptions, detailed descriptions thereof are omitted here.
  • FIG. 9 shows a schematic flowchart of a method 200 for wireless communication provided by an embodiment of the present application.
  • the method 200 shown in FIG. 9 can be applied to the hybrid automatic retransmission process of the sidelink.
  • the method 200 can be executed by the terminal device on the receiving side in FIG. 1, for example, by the terminal devices 106, 107 or 108 is executed.
  • the terminal device #A is used below to represent the terminal device on the receiving side.
  • the terminal device #A can control the working state of the first timer, avoid additional listening time caused by the continuous timing of the first timer, and reduce energy consumption. consumption.
  • the method 200 includes:
  • the terminal device #A determines that the first process satisfies the first condition, and the first process is used to transmit the first sideline data;
  • the side row data may be a transport block TB.
  • condition #1 (ie, an example of the first condition) is that the first process is occupied.
  • the first process may be a sidelink SL hybrid automatic repeat response HARQ process.
  • the first process is a HARQ process for PC5 communication.
  • first process is not occupied, it can also be understood that the first process is in an unoccupied state, or that the first process is not occupied, it can also be understood that the first process is released, or the first process is in a state of being unoccupied. Idle state, or terminal device #A allows the first process to be used for receiving other transmissions, eg, terminal device #A releases the first process.
  • the terminal device #A determines that the third condition is satisfied, and determines that the first process is not occupied.
  • condition #3 (ie, an example of the third condition) may be that the decoding of data #A (ie, an example of the first side row data) is successful. It should be noted that, after the terminal device #A successfully decodes the data #A, the first process is determined to be unoccupied;
  • the condition #3 may also be that the decoding of the data #A fails, and the newly transmitted data #B with the same information identifier is received.
  • the information identification may include source identification (SRC ID), destination identification (DST ID), HARQ attributes and communication type (cast type), where communication type may also be called service type, and communication type may be unicast, multicast or Broadcast type, optional, terminal device #A allocates a second process for receiving newly transmitted data #B. New transmission or retransmission of data can be indicated by this information identification and NDI information.
  • the terminal device #A receives the sideline control information SCI sent by the terminal device #B, and reads and determines the information identifier and NDI information contained in the SCI.
  • condition #1 can also be decoded successfully for the data #A.
  • condition #1 may also be to allocate the first process for receiving the newly transmitted TB.
  • condition #1 may also be feedback information associated with the sending data #A.
  • the feedback information may be for the terminal device #A (#A is the receiving end UE in this embodiment) to determine to send a positive acknowledgment ACK or not to send a negative acknowledgment NACK.
  • the feedback information may correspond to two different static feedback modes. The first mode is to send ACK/NACK. For example, if data is correctly received, ACK information is sent, and if data is not received correctly, NACK information is sent. The second mode is to only send NACK, for example, if data is correctly received, no NACK is sent, and if data is not received correctly, NACK is sent. It can be understood that the feedback information corresponds to the second static feedback mode when the NACK is not sent.
  • the terminal device #A stops the first timer, where the first timer is used to indicate the minimum duration for which retransmissions are expected to be received, or the first timer is used to indicate the duration of staying awake.
  • the first timer used to indicate the duration of staying awake can also be understood as:
  • the first process may correspond to one or more first timers, the first timer is associated with the first process, or the first timer is associated with the first process and first information, the The first information includes at least one of the following: source identifier, target identifier, communication type, HARQ attribute of HARQ response, sidelink process ID, and HARQ process ID.
  • the first process corresponds to a first timer, and the first timer is associated with the first process. It can be understood that the association between the first timer and the first process can be understood as that the first timer has a one-to-one correspondence with the first process.
  • the process #A ie, an example of the first process
  • the RRT timer #A ie, an example of the first timer
  • the timing duration of the RRT timer #A can be switched according to different DRX configurations.
  • the length of RRT timer #A is the timing length of RRT timer #A provided in the DRX configuration corresponding to pair1; at time T2, the receiving terminal equipment allocates process #A for After receiving the sidelink transmission of pair2 (that is, process #A is associated with pair2), the length of the RTT timer of process #A is the timing length provided in the DRX configuration corresponding to pair2.
  • the first process corresponds to a plurality of first timers, and the first timers are associated with the first process and the first information.
  • process #B ie, an instance of the first process
  • RTT timers ie, multiple instances of the first timer, such as RTT#B1, RTT#B2 . . .
  • the process #B is associated with different RTT timers for the DRX configuration provided by each pair.
  • the process #B is associated with pair1, and the length of the timer is the timing length of RTT#B1 provided in the DRX configuration corresponding to pair1; at time T2, the terminal device on the receiving side allocates this process #B for receiving pair2 and the timer RTT#B2 is associated with the process #B, and its timing length is the length of RTT#B2 provided in the DRX configuration corresponding to pair2.
  • pair can be identified by a set of source identifiers and target identifiers, and pair corresponds to a set of source identifiers and target identifiers, for example ⁇ target identifier 1, source identifier 1 ⁇ is used to identify pair1, ⁇ target identifier 2, source identifier 2 ⁇ is used to identify pair2; or the pair can be identified by a sidelink identifier (link identifier), for example, sidelink identifier 1 is used to identify pair1, and sidelink identifier 2 is used to identify pair2; or pair corresponds to A set of transmitting device and receiving device, for example, transmitting device 1 and receiving device 1 may be referred to as pair1, and transmitting device 1 and receiving device 2 may be referred to as pair2.
  • the transmitting device and the receiving device may be terminal devices or network devices, etc., which are not limited herein.
  • the first timer is a round-trip transmission time RTT timer or a retransmission timer (Retransmission Timer). It can be understood that when the terminal device #A stops the first timer, it can be understood as stopping the RTT timer or stopping the retransmission timer. It should be understood that, in some other embodiments, the first timer may also adopt other timers, so as to realize the function of the above-mentioned first timer.
  • condition #1 is that the first process is not occupied, and before step S210, the method 200 may further include:
  • starting the first timer may be when terminal equipment #A receives the physical sidelink control channel PSCCH or the physical sidelink shared channel sent by terminal equipment #B (that is, an example of the terminal equipment on the transmitting side).
  • the first timer is started after PSSCH.
  • terminal device #A receives the PSSCH sent by terminal device #B according to the SCI; terminal device #A receives the PSSCH and starts the first timer.
  • the terminal device #A starts the first timer after receiving the sideline control information SCI sent by the terminal device #B.
  • starting the first timer may be starting the first timer after the physical sideline feedback channel PSFCH sent by the terminal device #A to the terminal device #B.
  • terminal equipment #A receives the sideline control information SCI sent by terminal equipment #B, it receives the PSSCH sent by terminal equipment #B according to the SCI; after receiving the PSSCH, terminal equipment #A sends a message to terminal equipment #B according to the decoding result.
  • the PSFCH is sent, and the first timer is started or restarted.
  • the first feedback information is feedback information corresponding to the first sideline data, for example, the first feedback information may be transmitted on the physical sideline feedback channel PSFCH.
  • FIG. 10 to FIG. 13 show schematic diagrams of a timer management method provided by an embodiment of the present application. As shown in Fig. 10 to Fig. 13, the method shows a possible implementation method for the terminal equipment on the receiving side to process the timer. The methods shown in Fig. 10 to Fig. 13 are used to perform the timer processing after the data transmission block TB is processed. process of processing.
  • FIG. 10 is a schematic diagram of a process of managing a timer on a receiving side in a wireless communication method provided by an embodiment of the present application.
  • the method shown in FIG. 10 may be performed by the terminal device on the receiving side in FIG. 1 , such as by terminal device #A.
  • Step 1 The terminal device #A decodes the transport block TB1 received through the SL process #1, and starts the RTT timer according to the configuration information DRX1 corresponding to the TB1.
  • terminal device #A may start a corresponding RTT timer when receiving TB1.
  • Step 2 The terminal device #A determines that the SL process #1 is not occupied, and stops the RTT timer or the retransmission timer.
  • the terminal device #A determines that the SL process #1 is not occupied, and the terminal device #A can receive the newly transmitted data for the same information #1.
  • the terminal device #A assigns the SL process #2 to receive it.
  • the transmission information #1 contains at least one or more of the following: source identifier, target identifier, communication type, HARQ attribute of HARQ response, HARQ process ID, sidelink process ID
  • the RTT timer may have expired, and the retransmission timer is started after the RTT expires. At this time, the RTT timer does not run and retransmits If the timer is running, stop the retransmission timer.
  • Step 3 The terminal device #A sends the feedback information FB#1 corresponding to the TB1 to the terminal device #B.
  • the feedback information FB#1 is the feedback information sent by terminal device #A to terminal device #B corresponding to TB1, and the feedback may be positive confirmation information ACK or negative confirmation information NACK, or no ACK or NACK is sent. It should also be understood that the two feedback signals correspond to different static feedback modes.
  • Step 4 The terminal device #A assigns the SL process #1 to receive the newly transmitted data TB3, starts or restarts the RTT timer according to the DRX configuration information DRX2 of the TB3, and/or sends the feedback information FB3 corresponding to the TB3.
  • SL process #1 corresponds to an RTT timer (that is, the first process corresponds to a first timer), and the timing duration of the RTT timer shown in Figure 10 is only a schematic example, Figure 10 The shaded part in the middle represents the time period corresponding to SL process #1 stopping the RTT timer after it is not occupied.
  • steps 1 to 4 have no time sequence relationship, and the execution order can be arbitrarily exchanged. For example, after the terminal device #A sends the feedback information FB#1 corresponding to the TB1 to the terminal device #B, it determines that the SL process #1 is not occupied, and then stops the RTT timer or the retransmission timer.
  • FIG. 10 only illustrates the case where the RTT timer is started when TB1 is received, but the present application is not limited to this.
  • the moment of receiving TB3 in FIG. 10 may be within the time range after the RTT timing timeout, or the moment of receiving TB3 may be within the timing time range of the RTT. This application is not limited to this.
  • FIG. 11 shows a schematic diagram of a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • the method shown in FIG. 11 may be performed by the terminal device on the receiving side in FIG. 1 , such as by terminal device #A.
  • Step 1 The terminal device #A receives the transport block TB1 through the SL process #1, and starts the RTT timer according to the configuration information DRX1 corresponding to the TB1.
  • terminal device #A may start a corresponding RTT timer when receiving TB1.
  • Step 2 Terminal device #A determines that the TB1 is successfully decoded, determines that the SL process #1 is not occupied, and stops the RTT timer.
  • step 2 the terminal device #A determines that the decoding of the TB1 is successful, and stops the RTT timer.
  • the terminal device #A may send feedback information corresponding to TB1 to stop the RTT timer.
  • the feedback information may be sending positive acknowledgment information ACK, or not sending negative acknowledgment information NACK.
  • Step 3 Optionally, the terminal device #A sends the feedback information FB#1 corresponding to the TB1 to the terminal device #B.
  • Step 4 the terminal device #A assigns the SL process #1 to receive the newly transmitted data TB3, starts the RTT timer according to the configuration information DRX2 of the TB3, and sends the feedback information FB3 corresponding to the TB3.
  • reception time of TB3 shown in FIG. 11 is within the timing range of the RTT timer.
  • FIG. 11 only shows that the RTT timer is started when TB1 is received.
  • this application is not limited to this.
  • FIG. 11 and FIG. 10 correspond to two situations of decoding success and decoding failure, and the way of starting the RTT timer in FIG. 11 and FIG. 10 is the same as the way of sending the feedback signal. The detailed description is omitted.
  • steps 1 to 4 have no time sequence relationship, and the execution order can be arbitrarily exchanged. For example, after the terminal device #A sends the feedback information FB#1 corresponding to the TB1 to the terminal device #B, it determines that the SL process #1 is not occupied, and then stops the RTT timer or the retransmission timer.
  • the terminal device #A determines that the decoding of the TB1 is successful, and does not start the RTT timer. Or, the terminal device #A determines that the decoding of the TB1 fails, and starts the RTT timer. For example, the terminal device #A starts the RTT timer when it determines that the decoding fails, or starts the RTT timer when the negative feedback information NACK corresponding to TB1 is sent, or when the negative feedback information NACK corresponding to TB1 is generated.
  • FIG. 12 shows a schematic diagram of a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • the method shown in FIG. 12 may be performed by the terminal device on the receiving side in FIG. 1 , such as by terminal device #A.
  • Step 1 The terminal device #A receives the transport block TB1 through the SL process #3, and starts the RTT timer according to the configuration information DRX1 corresponding to the TB1.
  • terminal device #A may start a corresponding RTT timer when receiving TB1.
  • Step 2 The terminal device #A determines that the SL process #3 is not occupied, and stops the RTT timer.
  • the RTT timer may have expired, and the retransmission timer is started after the RTT expires. At this time, the RTT timer does not run and retransmits If the timer is running, stop the retransmission timer.
  • Step 3 Optionally, the terminal device #A sends the feedback information FB#1 corresponding to the TB1 to the terminal device #B.
  • the feedback information FB#1 is the feedback information sent by terminal device #A to terminal device #B corresponding to TB1, and the feedback may be positive confirmation information ACK or negative confirmation information NACK, or no ACK or NACK is sent. It should also be understood that the two feedback signals correspond to different static feedback modes.
  • Step 4 The terminal device #A assigns the SL process #3 to receive the newly transmitted data TB3, starts the RTT timer according to the configuration information DRX2 of the TB3, and sends the feedback information FB3 corresponding to the TB3.
  • the RTT1 is associated with the SL process #3 and the information #31, and the RTT2 is associated with the SL process #3 and the information #32.
  • the information #31 and information #32 may be at least one of source identification (SRC ID), destination identification (DST ID), communication type or hybrid automatic repeat response HARQ attribute, HARQ process ID, sidelink process ID, and information # 31 and message #32 can be different.
  • SRC ID source identification
  • DST ID destination identification
  • communication type or hybrid automatic repeat response HARQ attribute HARQ process ID
  • sidelink process ID and information # 31 and message #32 can be different.
  • information #31 may correspond to ⁇ SRC ID 1
  • information #32 may correspond to ⁇ SRC ID 2, DST ID 2 ⁇ .
  • the SL process #3 corresponds to two RTT timers (ie, the first process corresponds to an example of multiple first timers), and the timing duration of the RTT timer shown in FIG. 10 is only illustrative
  • the shaded part in FIG. 10 represents the time period corresponding to the time when SL process #1 stops the RTT timer after it is not occupied.
  • FIG. 10 only illustrates the case where the RTT timer is started when TB1 is received, but the present application is not limited to this.
  • the moment of receiving TB3 in FIG. 10 may be within the time range occupied by the RTT timing timeout, or the moment of receiving TB3 may be within the timing time range of the RTT. This application is not limited to this.
  • FIG. 13 shows a schematic diagram of a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • the method shown in FIG. 13 may be performed by the terminal device on the receiving side in FIG. 1 , such as by terminal device #A.
  • Step 1 Terminal device #A receives transport block TB1 through SL process #4.
  • RTT1 is associated with the SL process #4 and the information #41.
  • Step 2 The terminal device #A determines that the SL process #4 is not occupied.
  • RTT2 is associated with the SL process #4 and the information #42.
  • the information #41 and the information #42 may be different.
  • Step 3 The terminal device #A sends the feedback information FB#1 corresponding to the TB1 to the terminal device #B.
  • Step 4 The terminal device #A assigns the SL process #4 to receive the newly transmitted data TB3, starts the RTT timer (ie RTT2) according to the configuration information DRX2 of the TB3, and sends the feedback information FB3 corresponding to the TB3.
  • step 2 it is determined that SL process #4 is not occupied, which can be understood as no association between SL process #4 and information #41, or that terminal device #A releases the association between SL process 4 and information 41 relation.
  • Timer RTT1 does not start after TB1 decoding fails.
  • FIG. 14 shows a schematic flowchart of a wireless communication method 300 provided by an embodiment of the present application.
  • the method 300 shown in FIG. 10 can be applied to the system shown in FIG. 1 , and the method 200 can be executed by the terminal device on the receiving side in FIG. 1 , for example, by the terminal device 106 , 107 or 108 in FIG. 1 , for convenience Description
  • terminal device #A is used to denote a receiving-side terminal device.
  • the terminal device #A can control the working state of the first timer, avoid additional listening time caused by the continuous timing of the first timer, and reduce energy consumption. consumption, thereby avoiding the influence of the running of the first timer on the activation time of the data of the second side row.
  • the method 300 includes:
  • the terminal device #A determines that the first process satisfies the first condition, and the first process is used to transmit the first sideline data;
  • the first condition may be that the first process is not occupied
  • the first condition may also be that the first side row data is successfully decoded
  • the first condition may also be sending feedback information of the first sideline data.
  • step S310 and step S210 have the same execution steps, and detailed descriptions thereof are omitted here in order to avoid redundant description.
  • the terminal device #A determines that the first process satisfies a second condition, and the second condition is to receive the second sideline data through the first process;
  • the second side row data may be transport block TB#2.
  • the terminal device #A may determine that the sidelink HARQ process is in an unoccupied state (or unoccupied), and the terminal device #A may allocate an unoccupied process for transmitting the second sideline data, for example, the terminal Device #A may assign the first process to receive the second sideline data. It can be understood that, after a process is determined to be unoccupied, the transport block TB associated with the process before it is determined to be unoccupied will not perform a retransmission process. Or terminal device #A does not process the transport block TB to which the process was associated before it was determined to be unoccupied.
  • the terminal device #A stops the first timer, where the first timer is used to indicate the minimum duration for which retransmissions are expected to be received, or the first timer is used to indicate the duration of staying awake.
  • the terminal device #A determines that the first process satisfies the first condition and the second condition, and stops the first timer.
  • the method 300 may further include:
  • the terminal device #A starts or restarts the first timer according to the configuration information corresponding to the second sideline data.
  • the configuration information may be DRX configuration information.
  • the terminal device #A configures the configuration information of the second sideline data according to the first signaling.
  • the first signaling may be RRC signaling.
  • the RRC layer of the terminal device #A instructs the MAC to configure the DRX configuration information of the ID pair corresponding to the second sideline data. This step can be performed as a separate protocol independently of the other steps, or can be performed as a protocol in combination with any other steps.
  • step S330 and step S220 are similar, and detailed descriptions thereof are omitted here in order to avoid redundant descriptions.
  • the first process in step S330 may correspond to one first timer, and for another example, the first process in step S330 may correspond to multiple first timers.
  • FIG. 15 to FIG. 18 are schematic diagrams illustrating a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • the method shows another possible implementation method of the terminal device processing timer on the receiving side, and the methods shown in FIG. 10 to FIG. 13 are used for receiving on the sidelink process.
  • FIG. 15 shows a schematic diagram of a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • the method shown in FIG. 15 may be performed by the terminal device on the receiving side in FIG. 1 , such as by terminal device #A (eg, terminal device 107 ).
  • Step 1 The terminal device #A receives the transport block TB1 through the SL process #1, and starts the RTT timer according to the configuration information DRX1 corresponding to the TB1.
  • terminal device #A may start a corresponding RTT timer when receiving TB1.
  • Step 2 The terminal device #A determines that the SL process #1 is not occupied.
  • the terminal device #A determines that the SL process #1 is not occupied, and the terminal device #A can receive the newly transmitted data for the same information #1.
  • the terminal device #A assigns the SL process #2 to receive it.
  • the transmission information #1 contains at least one or more of the following: source identifier, target identifier, communication type, HARQ attribute of HARQ response, HARQ process ID, and sidelink process ID.
  • Step 3 Optionally, the terminal device #A sends the feedback signal FB#1 corresponding to the TB1 to the terminal device #B through the SL process #1.
  • the feedback signal FB#1 is a feedback signal sent by terminal device #A to terminal device #B corresponding to TB1, and the feedback may be positive acknowledgment information ACK or negative acknowledgment information NACK, or no ACK or NACK is sent. It should also be understood that the two feedback signals correspond to different static feedback modes.
  • Step 4 The terminal device #A assigns the SL process #1 to receive the newly transmitted data TB3, stops the running RTT timer, and starts the RTT timer according to the configuration information DRX2 of the TB3.
  • the time of receiving TB3 through SL process #5 in FIG. 15 may be within the timing range of the RTT, or the time of receiving TB3 may be outside the timing range of the RTT, for example, the time of receiving the TB3 may also be Within the runtime of the retransmission timer.
  • FIG. 15 only schematically shows the timing range of the RTT timer, and the present application is not limited thereto.
  • the schematic diagram shown in FIG. 15 may further include a retransmission timer.
  • the RTT timer may have expired, and the retransmission timer is started after the RTT expires. At this time, the RTT timer does not run and retransmits If the timer is running, stop the retransmission timer.
  • the RTT timer when the RTT timer is running (that is, the RRT timer is running according to the configuration of the configuration information DRX1), the newly transmitted TB is received through the SL process #5, and the newly transmitted data (that is, TB3) is received according to the SL process #5.
  • the RTT configuration of the corresponding DRX restarts the RTT timer;
  • the retransmission timer is running (that is, the RTT timing expires, the retransmission timer is started), the newly transmitted TB is received through the SL process #5, and the retransmission timer is stopped, according to The RTT configuration of the DRX corresponding to the newly transmitted data (ie TB3) restarts the RTT timer;
  • the running timer (RTT timer or retransmission timer) is stopped.
  • Step 5 Optionally, send the feedback information FB3 corresponding to the TB3.
  • SL process #5 corresponds to one RTT timer (that is, the first process corresponds to one first timer), and the timing duration of the RTT timer shown in FIG. 15 is only a schematic example.
  • steps 1 to 5 have no time sequence relationship, and the execution order can be arbitrarily exchanged.
  • FIG. 15 only illustrates the case where the RTT timer is started when TB1 is received, but the present application is not limited to this.
  • Fig. 15 shows the case where the decoding of TB1 fails and the transport block is received through the SL process, but the present application is not limited to this.
  • Fig. 15 can also correspond to the case where the decoding of TB1 succeeds, or when the feedback signal of the transport block TB is sent Then start the RTT timer.
  • the successful decoding of TB1 and the starting of the RTT timer after sending the feedback information of the transport block TB can be a schematic diagram of a process management method as shown in FIG. 16 .
  • the schematic diagram of the process of managing the timer on the receiving side in the wireless communication method provided by the embodiment of the present application can be applied to the terminal equipment on the receiving side in FIG. 1, for example, by terminal equipment #A (such as terminal equipment 107) implement.
  • the RTT timer or the retransmission timer when the RTT timer or the retransmission timer is running (that is, the RRT timer or the retransmission timer is running according to the configuration of the configuration information DRX1), through the SL process #6 receives the newly transmitted TB, stops the RRT timer, and starts the RTT timer according to the RTT configuration of the DRX corresponding to the newly transmitted data (ie, TB3).
  • FIG. 17 shows a schematic diagram of a process of managing a timer on the receiving side in the wireless communication method provided by the embodiment of the present application.
  • the method shown in FIG. 17 may be executed by the terminal device on the receiving side in FIG. 1 , for example, by the terminal device #A (eg, the terminal device 107 ).
  • Step 1 The terminal device #A receives the transport block TB1 through the SL process #7, and starts the RTT timer (RTT1) according to the configuration information DRX1 corresponding to the TB1.
  • RTT1 RTT timer
  • terminal device #A may start a corresponding RTT timer when receiving TB1.
  • Step 2 The terminal device #A determines that the SL process #1 is not occupied.
  • the terminal device #A determines that the SL process #7 is not occupied, and the terminal device #A can receive the newly transmitted data for the same information #1.
  • the terminal device #A assigns the SL process #2 to receive it.
  • the transmission information #1 contains at least one or more of the following: source identifier, target identifier, communication type, HARQ attribute of HARQ response, HARQ process ID, and sidelink process ID.
  • Step 3 The terminal equipment #A sends the feedback signal FB#1 corresponding to the TB1 to the terminal equipment #B.
  • the feedback signal FB#1 is a feedback signal sent by terminal device #A to terminal device #B corresponding to TB1, and the feedback may be positive acknowledgment information ACK or negative acknowledgment information NACK, or no ACK or NACK is sent. It should also be understood that the two feedback signals correspond to different static feedback modes.
  • Step 4 The terminal device #A assigns the SL process #7 to receive the newly transmitted data TB3, stops the retransmission timer, and starts the RTT2 timer according to the DRX configuration information DRX2 of the TB3.
  • the terminal device #A allocates the SL process #7 to receive the newly transmitted data TB3, stops the retransmission timer,
  • FIG. 17 only schematically shows the timing time range of the RTT timer, and the present application is not limited thereto.
  • the schematic diagram shown in FIG. 17 may further include a retransmission timer.
  • the RTT timer when the RTT timer is running (that is, the RRT timer is running according to the configuration of the configuration information DRX1), the newly transmitted TB is received through the SL process #7, and the timer RTT1 is stopped;
  • the retransmission timer when the retransmission timer is running (that is, the RTT timing expires, the retransmission timer is started), a newly transmitted TB is received through the SL process #7, and the retransmission timer is stopped.
  • Step 5 Send the feedback information FB3 corresponding to the TB3.
  • SL process #7 corresponds to two RTT timers (that is, the first process corresponds to an example of multiple first timers), and the timing duration of the RTT timer shown in FIG. 17 is only illustrative Example.
  • steps 1 to 5 have no time sequence relationship, and the execution order can be arbitrarily exchanged.
  • FIG. 17 only illustrates the case where the RTT timer is started when TB1 is received, but the present application is not limited to this.
  • Figure 17 shows the case where the decoding of TB1 fails and the transport block is received through SL process #7, but the present application is not limited to this.
  • Figure 17 may also correspond to starting the RTT timer after sending the feedback signal of the transport block TB1 .
  • starting the RTT timer after sending the feedback signal of the transport block TB1 may be a schematic diagram of a process management method as shown in FIG. 18 .
  • the schematic diagram of the process of managing the timer on the receiving side in the wireless communication method provided by the embodiment of the present application can be applied to the terminal equipment on the receiving side in FIG. 1, for example, by terminal equipment #A (such as terminal equipment 107) implement.
  • the stopping of the RTT timer or the retransmission timer shown in FIG. 17 is stopped.
  • the timer (RTT1 or retransmission timer) associated with the SL process #7 and the information #71 device); the stop RTT timer or retransmission timer shown in FIG. 18 is to stop, before releasing SL process #8, the timer (RTT1 or retransmission timer) associated with SL process #8 and information #81 .
  • FIG. 19 shows a schematic flowchart of a method 400 for wireless communication provided by an embodiment of the present application.
  • the method 400 shown in FIG. 19 can be applied to the hybrid automatic retransmission process of the sidelink.
  • the method 400 can be executed by the terminal device on the receiving side in FIG. 1 , for example, by the terminal devices 106, 107 or 108 is executed.
  • the terminal device #A is used below to represent the terminal device on the receiving side.
  • the terminal device #A determines that when the fourth process satisfies the fourth condition, by determining that the fourth process is in an unoccupied state, it can be avoided that when the fourth process successfully decodes the sideline data, the fourth process When it is allocated to transmit other sideline data, the influence on the activation time of other sideline data, in addition, by determining that the fourth process is not occupied, additional listening time can be avoided and energy consumption can be reduced.
  • the method 400 includes:
  • the terminal device determines that the fourth process satisfies the fourth condition, and the fourth process is used to transmit the fourth sideline data;
  • the fourth condition may be that the fourth sideline data is successfully decoded and a fourth timer expires, and the fourth timer is used to time the fourth process.
  • the fourth timer is associated with the fourth process, or the fourth timer is associated with the fourth process and fourth information.
  • the association between the fourth timer and the fourth process can be understood as a one-to-one correspondence between the fourth timer and the fourth process, and the fourth timer is associated with the fourth process and the fourth information. It can be understood that the fourth timer can be Corresponds to multiple timers.
  • the fact that the fourth process is not occupied can be understood as the fact that the fourth process is in an unoccupied state.
  • the fact that the fourth process is not occupied can also be understood that the fourth process is not associated with the timer, or the fourth process is not associated with the timer or the fourth information, and the fourth information may include at least one of the following: source identifier, Target identification, communication type, HARQ attribute of HARQ response.
  • the fifth side row data may be newly transmitted data, for example, the fifth side row data may be TB2, and the fourth side row data may be TB1.
  • the fifth side row data and the fourth side row data have different pairs of information.
  • FIG. 20 shows a schematic flowchart of another method 500 for wireless communication provided by an embodiment of the present application.
  • the method 500 shown in FIG. 20 can be applied to the sidelink hybrid automatic retransmission process.
  • the method 500 can be executed by the terminal device on the transmitting side in FIG. 1 , for example, by the terminal device 104 in FIG. 1 .
  • the terminal device #C ie, an example of the terminal device on the transmitting side
  • the sixth process when the sixth process satisfies the condition for successful data transmission, by stopping or not starting the sixth timer, it is possible to prevent the sixth timer from continuing to schedule services for the sixth process after the sixth data transmission is successful. transmission effects.
  • the method 500 includes:
  • the terminal device #C determines that the sixth process satisfies a sixth condition, the sixth condition is used to transmit the sixth sideline data, and the sixth condition is that the sixth sideline data transmission is completed;
  • the sixth condition may be sending the first acknowledgment information to the network device on the first physical uplink control channel PUCCH; for example, sending positive acknowledgment information ACK on the first PUCCH.
  • the sixth condition may also be that the first confirmation information of the terminal device #D (that is, an example of the terminal device on the receiving side) is received on the first physical sideline feedback channel PSFCH, and the first confirmation information may be: Positive acknowledgment ACK;
  • the sixth condition may also be that the negative acknowledgement information NACK is not received
  • the sixth condition may also be sending the first physical sideline shared channel PSSCH on the sixth process.
  • the method further includes that the terminal device #C determines that the transmission of the sixth sideline data fails, and starts or restarts the sixth timer.
  • determining that the sixth sidelink data transmission fails may include receiving a sidelink negative feedback NACK, or not receiving an ACK or a NACK.
  • FIG. 21 shows a schematic flowchart of still another wireless communication method 600 provided by an embodiment of the present application.
  • the method 600 shown in FIG. 21 can be applied to the sidelink hybrid automatic retransmission process.
  • the method 600 can be executed by the terminal device on the transmitting side in FIG. 1 , for example, by the terminal device 104 in FIG.
  • the terminal device #C ie, an example of the terminal device on the transmitting side
  • the terminal device #C determines that when the seventh process satisfies the seventh condition, by determining that the seventh process is in an unoccupied state, when the seventh process is allocated to transmit the eighth sideline data , which can prevent the seventh timer from continuing to run under the configuration information corresponding to the seventh side row data and thus affecting the timing of the eighth side row data.
  • the method 600 includes:
  • the terminal device #C determines that the seventh process satisfies the seventh condition, the seventh process is used to transmit the seventh sideline data, and the seventh process corresponds to the seventh timer;
  • the seventh condition may be that the seventh timer is not running, and the seventh timer is used to instruct the network device to schedule the listening time of the seventh process, or to indicate the minimum length of time for which retransmission resources are expected to be received, or the The first timer is used to indicate the duration of staying awake.
  • the seventh timer is not running, for example, the terminal device #C may stop the running fourth timer in some cases.
  • terminal device #C may stop the running fourth timer in some cases. For example, when terminal device #C receives a new transmission schedule for the same HARQ ID, optionally, terminal device #C allocates a seventh process to receive and process the new transmission resource, then terminal device #C stops the quad timer; or, Terminal device #A confirms that the seventh sideline data transmission is successful, and stops the seventh timer; or, if terminal device #C preempts the seventh process for processing other sidelink resources, the terminal device stops the seventh timer; or , the seventh timer expires, and the seventh timer stops.
  • S630 Transmit the eighth side row data through the seventh process, where the corresponding transmission information of the eighth side row data and the seventh side row data is different.
  • FIG. 22 is a schematic diagram of a communication apparatus provided by an embodiment of the present application.
  • the communication apparatus 700 in FIG. 22 may be the terminal equipment mentioned above, for example, may be a specific example of the terminal equipment 104 , 107 , and 108 shown in FIG. 1 . .
  • the communication apparatus 700 can be used to implement the above steps performed by the terminal device, such as the method in FIG. 9 or FIG. 14 , and can also be used to specifically implement the embodiments shown in FIGS. 10 to 13 . To avoid redundancy, the description is not repeated.
  • the communication device 700 shown in FIG. 22 includes a determination unit 710 and a stop unit 720 .
  • the determining unit 710 is configured to determine that the first process satisfies the first condition, and the first process is used to transmit the first side row data.
  • a stopping unit 720 configured to stop a first timer, where the first timer is used to indicate the minimum duration for which retransmissions are expected to be received, or the first timer is used to indicate the duration of staying awake.
  • the first condition is that the first process is not occupied, or the first sideline data is successfully decoded, or the feedback information of the first sideline data is sent, or the positive determination information ACK is received, or the Positive determination information ACK, or negative determination information NACK is not received.
  • the determining unit 710 is further configured to determine that the first process satisfies a second condition, where the second condition is receiving second sideline data through the first process.
  • the stopping unit 720 is specifically configured to determine that the first condition and the second condition are satisfied, and stop the first timer.
  • the communication device further includes a starting unit configured to start or restart the first timer according to configuration information corresponding to the second sideline data.
  • the communication apparatus includes a configuration unit configured to configure configuration information of the second sideline data according to the first signaling.
  • the determining unit is further configured to, when the first process satisfies a third condition, determine that the first process is not occupied.
  • the third condition is that the decoding of the first side line data is successful; or the third condition is that the decoding of the first side line data fails, and the first side line data is received in the second process.
  • the first process corresponds to one or more first timers, the first timers are associated with the first process, or the first timers are associated with the first process and first information
  • the first information includes at least one of the following: source identifier, target identifier, communication type, HARQ attribute of HARQ response, HARQ process ID, and sidelink process ID.
  • the first timer is a round-trip transmission time RTT timer or a retransmission timer.
  • the communication device includes a starting unit configured to start the first timer before stopping the first timer.
  • the starting unit is specifically configured to: determine that the first sideline data transmission fails, and start the first timer.
  • determining that the first sideline data transmission fails includes: receiving negative acknowledgement information NACK; or
  • Negative determination information NACK is sent to the network device; or the first feedback information is not received.
  • FIG. 23 is a schematic diagram of a communication apparatus provided by an embodiment of the present application.
  • the communication apparatus 800 in FIG. 23 may be the terminal equipment mentioned above, for example, may be a specific example of the terminal equipment 104 , 107 , and 108 shown in FIG. 1 . .
  • the communication apparatus 800 may be used to implement the above steps performed by the terminal device, such as the method in FIG. 19 . To avoid redundancy, the description is not repeated.
  • the communication apparatus 800 shown in FIG. 23 includes a determination unit 810 .
  • the determining unit 810 is configured to determine that the fourth process satisfies the fourth condition, and the fourth process is used to transmit the fourth side row data.
  • the determining unit 810 is further configured to determine that the fourth process is not occupied.
  • the fourth condition is that the fourth sideline data transmission is completed and the fourth timer is not running. to indicate how long to stay awake.
  • the fourth condition is that the transmission of the fourth side line data is completed, including: the fourth side line data is successfully decoded; or newly transmitted data is received, and the newly transmitted data corresponds to the fourth side line data
  • the transmission information is used to identify the newly transmitted data.
  • the fourth condition is that the fourth sideline data transmission is completed, including: receiving positive confirmation information ACK; or sending positive confirmation information ACK; or not receiving negative confirmation information NACK.
  • the fact that the fourth timer is not running includes: the fourth timer times out; or the fourth timer is in a stopped state.
  • FIG. 24 is a schematic structural diagram of a terminal device 900 provided by an embodiment of the present application.
  • the terminal device 900 may be applied to the system shown in FIG. 1 to perform the functions of the terminal device in the foregoing method embodiments.
  • the terminal device 900 includes a processor 920 and a transceiver 910 .
  • the terminal device 900 further includes a memory 930 .
  • the processor 920, the transceiver 910 and the memory 930 can communicate with each other through an internal connection path to transmit control and/or data signals.
  • the memory is used for storing computer programs, and the processor 920 is used for executing the memory 930. in the computer program to control the transceiver 910 to send and receive signals.
  • the terminal device 900 may include a bus system 940 , and information may be transmitted between the transceiver 910 , the processor 920 and the memory 930 through the bus system 940 .
  • the above-mentioned processor 920 and the memory 930 can be combined into a processing device, and the processor 920 is configured to execute the program codes stored in the memory 930 to realize the above-mentioned functions.
  • the memory can also be integrated in the processor 920 or be independent of the processor 920 .
  • the transceiver 910 may include a receiver (or called receiver, receiving circuit) and a transmitter (or called transmitter, transmitting circuit).
  • the receiver is used for receiving signals
  • the transmitter is used for transmitting signals.
  • the terminal device 900 shown in FIG. 24 can implement various processes involving the terminal device in the method embodiment shown in FIG. 9 , FIG. 14 , FIG. 19 , FIG. 20 or FIG. 21 .
  • the operations and/or functions of each module in the terminal device 900 are respectively to implement the corresponding processes in the foregoing method embodiments.
  • the above-mentioned processor 920 may be used to perform the actions described in the foregoing method embodiments that are implemented inside the terminal device, and the transceiver 910 may be used to perform the operations described in the foregoing method embodiments that the terminal device sends to or receives from the network device. action.
  • the transceiver 910 may be used to perform the operations described in the foregoing method embodiments that the terminal device sends to or receives from the network device. action.
  • the above-mentioned terminal device 900 may further include a power supply for providing power to various devices or circuits in the terminal device.
  • the terminal device 900 may further include one or more of an input unit, a display unit, an audio circuit, a camera, a sensor, etc., and the audio circuit may also include a speaker, microphone, etc.
  • Embodiments of the present application further provide a processing apparatus, including a processor and a memory.
  • the processor is used to read the instructions stored in the memory, and can receive signals through the receiver and transmit signals through the transmitter, so as to execute the method in any of the above method embodiments.
  • the above-mentioned processing device may be one or more chips.
  • the processing device may be a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), a system on chip (SoC), or a It is a central processing unit (CPU), a network processor (NP), a digital signal processing circuit (DSP), or a microcontroller (microcontroller unit). , MCU), it can also be a programmable logic device (PLD) or other integrated chips.
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • SoC system on chip
  • MCU microcontroller unit
  • MCU programmable logic device
  • PLD programmable logic device
  • each step of the above-mentioned method can be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the 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. To avoid repetition, detailed description is omitted here.
  • 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 aforementioned processors may be general purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components .
  • DSPs digital signal processors
  • ASICs application specific integrated circuits
  • FPGAs field programmable gate arrays
  • the methods, steps, and logic block diagrams disclosed in the embodiments of this application can be implemented or executed.
  • 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 read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (erasable PROM, EPROM), Electrically Erasable 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 random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • direct rambus RAM direct rambus RAM
  • the present application also provides a computer program product, the computer program product includes: computer program code, when the computer program code is executed by one or more processors, the computer program code including the processor is executed.
  • the apparatus performs the method in the embodiment shown in FIG. 9 , FIG. 14 , FIG. 19 , FIG. 20 or FIG. 21 .
  • the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores program codes, and when the program codes are executed by one or more processors, the processing includes the processing
  • the device of the controller performs the method in the embodiment shown in FIG. 9 , FIG. 14 , FIG. 19 , FIG. 20 or FIG. 21 .
  • the present application further provides a system, which includes the aforementioned one or more terminal devices.
  • the network equipment in each of the above apparatus embodiments completely corresponds to the terminal equipment and the network equipment or terminal equipment in the method embodiments, and corresponding steps are performed by corresponding modules or units.
  • the communication unit (transceiver) performs the receiving or For the sending step, other steps except sending and receiving may be performed by a processing unit (processor).
  • a processing unit (processor)
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, optical fiber, digital subscriber line, DSL) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes an integration of one or more available media.
  • the available media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, high-density digital video discs (DVDs)), or semiconductor media (eg, solid state discs, SSD)) etc.
  • the network equipment in each of the above apparatus embodiments completely corresponds to the terminal equipment and the network equipment or terminal equipment in the method embodiments, and corresponding steps are performed by corresponding modules or units.
  • the communication unit (transceiver) performs the receiving or For the sending step, other steps except sending and receiving may be performed by a processing unit (processor).
  • a processing unit (processor)
  • the number of processors may be one or more.
  • a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and the computing device may be components.
  • One or more components may reside within a process and/or thread of execution, and a component may be localized on one computer and/or distributed between 2 or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on a signal having one or more data packets (eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals
  • 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.
  • each functional unit may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software When implemented in software, it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions (programs). When the computer program instructions (programs) are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server or data center Transmission to another website site, computer, server, or data center is by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that includes an integration of one or more available media.
  • the usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media (eg, solid state disks (SSDs)), and the like.
  • 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 (ROM), random access memory (RAM), magnetic disk or optical disk and other media that can store program codes .

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Abstract

本申请提供了一种无线通信的方法和装置。该方法包括:确定第一进程满足第一条件,该第一进程用于传输第一侧行数据;停止第一定时器,该第一定时器用于指示期望接收到重传的最小时长,或者该第一定时器用于指示保持唤醒的时长;其中,该第一条件为该第一进程未占用,或该第一侧行数据解码成功,或发送该第一侧行数据的反馈信息,或接收到肯定确定信息ACK,或发送肯定确定信息ACK,或未接收到否定确定信息NACK。上述技术方案能够降低HARQ进程管理对业务的影响,改善用户体验。

Description

无线通信的方法和装置 技术领域
本申请涉及通信领域,并且更具体地,涉及一种无线通信的方法和装置。
背景技术
为了提高通信质量,在例如车联网(vehicle to everything,V2X)等通信技术中,通信设备(例如,车辆)之间可以采用侧行链路(sidelink,SL)的方式进行通信,基于侧行链路技术的通信方式中,支持混合自动重传响应(hybrid automatic repeat request,HARQ)反馈,HARQ结合停等协议(stop-and-wait protocol)发送数据。
随着通信技术的发展,对通信的可靠性和质量的要求越来越高,而支持HARQ反馈的设备管理HARQ进程时会对业务产生影响,从而造成数据传输的激活时间或产生不必要的监控时间,无法满足日益增长的通信需求。
因此,亟需提供一种技术,能够降低HARQ进程管理对业务的影响,改善用户体验。
发明内容
本申请提供一种无线通信的方法和装置,能够降低HARQ进程管理对业务的影响,改善用户体验。
第一方面,提供了一种无线通信的方法,包括:确定第一进程满足第一条件,所述第一进程用于传输第一侧行数据;停止第一定时器,所述第一定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长;其中,所述第一条件为所述第一进程未占用,或所述第一侧行数据解码成功,或发送所述第一侧行数据的反馈信息,或接收到肯定确定信息ACK,或发送肯定确定信息ACK,或未接收到否定确定信息NACK。
根据本申请的方案,通过确定第一进程满足第一条件,并在满足第一条件时,停止该第一定时器,从而能够控制第一定时器的工作状态,避免第一定时器的持续定时造成的额外监听时间,降低能耗。
其中,该“第一进程”可以理解为:第一侧行链路SL进程。
“所述第一进程未占用”可以理解为:所述第一进程为未占用的状态。
可选地,该无线通信方法可以有接收侧终端设备执行或发送侧终端设备执行。
结合第一方面,在一种可能的实现方式中,所述方法还包括:确定所述第一进程满足第二条件,所述第二条件为通过所述第一进程接收第二侧行数据;所述停止第一定时器,包括:确定满足所述第一条件和所述第二条件,停止所述第一定时器。
根据本申请的方案,通过确定第一进程满足第一条件,从而能够控制第一定时器的工作状态,避免第一定时器的持续定时造成的额外监听时间,降低能耗,进而避免第一定时器运行对第二侧行数据的激活时间的影响。
其中,“接收第二侧行数据”,可以理解为在满足第一条件后接收该第二侧行数据。
结合第一方面,在一种可能的实现方式中,所述方法还包括:根据所述第二侧行数据对应的配置信息启动或重启所述第一定时器。
结合第一方面,在一种可能的实现方式中,所述方法还包括:根据第一信令配置所述第二侧行数据的配置信息。
可选的,该配置信息可以为第二侧行数据对应的非连续接收的配置信息。
可选地,该第一信令可以为无线资源控制RRC信令。
结合第一方面,在一种可能的实现方式中,所述方法还包括:所述第一进程满足第三条件,确定所述第一进程未占用;其中,所述第三条件为所述第一侧行数据解码成功;或所述第三条件为所述第一侧行数据解码失败,且在第二进程上接收所述第一侧行数据。
结合第一方面,在一种可能的实现方式中,所述第一进程对应一个或多个第一定时器,所述第一定时器与所述第一进程关联,或所述第一定时器与所述第一进程和第一信息关联,所述第一信息包括以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性。
结合第一方面,在一种可能的实现方式中,所述第一定时器为往返传输时间RTT定时器或重传定时器。
可选地,该第一定时器还可以为实现指示期望接收到重传的最小时长的其他定时器。
可选地,该第一定时器还可以为实现指示保持唤醒的时长的其他定时器。
结合第一方面,在一种可能的实现方式中,所述方法还包括,在停止所述第一定时器之前,启动所述第一定时器。
结合第一方面,在一种可能的实现方式中,所述启动所述第一定时器包括:确定所述第一侧行数据传输失败,启动所述第一定时器。
结合第一方面,在一种可能的实现方式中,确定所述第一侧行数据传输失败,所述方法包括:接收否定确认信息NACK;或者向网络设备发送否定确定信息NACK;或者未接收到第一反馈信息。
第二方面,提供了一种无线通信的方法,所述方法包括:确定第四进程满足第四条件,所述第四进程用于传输第四侧行数据;确定所述第四进程未占用;其中,所述第四条件为所述第四侧行数据传输完成,且第四定时器未运行,所述第四定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
根据本申请的方案,通过确定第四进程满足第四条件,确定所述第四进程未占用,通过确定该第四进程为未占用后,第四进程被分配用于传输其他侧行数据时,对其他侧行数据激活时间的影响,此外,通过确定第四进程为未占用可以避免额外监听时间,降低能耗。
结合第二方面,在一种可能的实现方式中,所述第四条件为所述第四侧行数据传输完成,所述方法包括:所述第四侧行数据解码成功;或者接收新传数据,所述新传数据与第四侧行数据对应于相同的传输信息,所述传输信息用于标识所述新传数据。
结合第二方面,在一种可能的实现方式中,所述第四条件为所述第四侧行数据传输完成,所述方法还包括:接收肯定确定信息ACK;或者发送肯定确定信息ACK;或者未接收到否定确定信息NACK。
结合第二方面,在一种可能的实现方式中,所述第四定时器未运行,所述方法包括: 所述第四定时器超时;或者所述第四定时器处于被停止状态。
可选的,第四定时器处于被停止状态为第四定时器在运行状态时,被指示停止。
第三方面,提供了一种无线通信方法,所述方法包括:确定第一进程满足第一条件,所述第一进程用于传输第一侧行数据;停止第一定时器,所述第一定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长;其中,所述第一条件为发送所述第一侧行数据的反馈信息,或接收到肯定确定信息ACK,或发送肯定确定信息ACK,或未接收到否定确定信息NACK。
根据本申请的方案,通过确定第一进程满足第一条件,停止第一定时器,可以避免接收侧终端设备额外监听时间,降低能耗。
结合第三方面,在一种可能的实现方式中,所述方法还包括,在停止所述第一定时器之前,启动所述第一定时器。
结合第三方面,在一种可能的实现方式中,所述启动所述第一定时器包括:确定所述第一侧行数据传输失败,启动所述第一定时器。
结合第三方面,在一种可能的实现方式中,确定所述第一侧行数据传输失败,所述方法包括:接收否定确认信息NACK;或者向网络设备发送否定确定信息NACK;或者未接收到第一反馈信息。
第四方面,提供了一种无线通信方法,所述方法包括:确定第四进程满足第四条件,所述第四进程用于传输第四侧行数据;确定所述第四进程未占用;其中,所述第四条件为所述第四侧行数据传输完成,且第四定时器未运行,所述第四定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
结合第四方面,在一种可能的实现方式中,所述第四条件为所述第四侧行数据传输完成,所述方法还包括:接收肯定确定信息ACK;或者发送肯定确定信息ACK;或者未接收到否定确定信息NACK。
结合第四方面,在一种可能的实现方式中,所述第四定时器未运行,所述方法包括:所述第四定时器超时;或者所述第四定时器处于被停止状态。
第五方面,提供了一种通信装置,包括:收发单元和处理单元,所述处理单元,用于确定第一进程满足第一条件,所述第一进程用于传输第一侧行数据;所述处理单元,还用于停止第一定时器,所述第一定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长;其中,所述第一条件为所述第一进程未占用,或所述第一侧行数据解码成功,或发送所述第一侧行数据的反馈信息,或接收到肯定确定信息ACK,或发送肯定确定信息ACK,或未接收到否定确定信息NACK。
结合第五方面,在一种可能的实现方式中,所述装置还包括:所述处理单元,还用于确定所述第一进程满足第二条件,所述第二条件为通过所述第一进程接收第二侧行数据;所述处理单元,还用于停止第一定时器,包括:所述处理单元,还用于确定满足所述第一条件和所述第二条件时停止所述第一定时器。
结合第五方面,在一种可能的实现方式中,所述装置还包括:所述处理单元,还用于根据所述第二侧行数据对应的配置信息启动或重启所述第一定时器。
结合第五方面,在一种可能的实现方式中,所述装置还包括:所述处理单元,还用于根据第一信令配置所述第二侧行数据的配置信息。
结合第五方面,在一种可能的实现方式中,所述装置还包括:所述处理单元,还用于在所述第一进程满足第三条件时,确定所述第一进程未占用;其中,所述第三条件为所述第一侧行数据解码成功;或所述第三条件为所述第一侧行数据解码失败,且所述收发单元在第二进程上接收所述第一侧行数据。
结合第五方面,在一种可能的实现方式中,所述第一进程对应一个或多个第一定时器,所述第一定时器与所述第一进程关联,或所述第一定时器与所述第一进程和第一信息关联,所述第一信息包括以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性。
结合第五方面,在一种可能的实现方式中,所述第一定时器为往返传输时间RTT定时器或重传定时器。
结合第五方面,在一种可能的实现方式中,所述装置还包括,在停止所述第一定时器之前,所述处理单元,还用于启动所述第一定时器。
结合第五方面,在一种可能的实现方式中,所述启动所述第一定时器包括:所述处理单元确定所述第一侧行数据传输失败,所述处理单元启动所述第一定时器。
结合第五方面,在一种可能的实现方式中,所述处理单元确定所述第一侧行数据传输失败,包括:所述处理单元确定接收到否定确认信息NACK;或者所述处理单元确定向网络设备发送否定确定信息NACK;或者所述处理单元确定未接收到第一反馈信息,所述第一反馈信息与所述第一侧行链路数据关联。
第六方面,提供了一种通信装置,所述装置包括:处理单元和收发单元,所述处理单元,用于确定第四进程满足第四条件,所述第四进程用于传输第四侧行数据;所述处理单元,还用于确定所述第四进程未占用;其中,所述第四条件为所述处理单元确定所述第四侧行数据传输完成,且第四定时器未运行,所述第四定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
结合第六方面,在一种可能的实现方式中,所述第四条件为所述处理单元确定所述第四侧行数据传输完成,包括:所述处理单元确定所述第四侧行数据解码成功;或者所述处理单元确定接收到新传数据,所述新传数据与第四侧行数据对应于相同的传输信息,所述传输信息用于标识所述新传数据。
结合第六方面,在一种可能的实现方式中,所述第四条件为所述处理单元确定第四侧行数据传输完成,包括:所述处理单元确定接收到肯定确定信息ACK;或者所述处理单元确定发送肯定确定信息ACK;或者所述处理单元确定未接收到否定确定信息NACK。
结合第六方面,在一种可能的实现方式中,所述第四定时器未运行,所述装置包括:所述第四定时器超时;或者所述第四定时器处于被停止状态。
第七方面,提供了一种通信装置,包括用于执行上述第一方面或第一方面中任一种可能实现方式中的方法的模块或单元,或者用于执行上述第二方面或第二方面中任一种可能实现方式中的方法的模块或单元。该模块或单元可以是硬件电路,也可是软件,也可以是硬件电路结合软件实现。
第八方面,提供了一种通信装置,包括用于执行上述第三方面以及第三方面的任一种可能的实现方式中的方法的模块或单元,或者用于执行上述第四方面以及第四方面的任一种可能的实现方式中的方法的模块或单元。该模块或单元可以是硬件电路,也可是软件, 也可以是硬件电路结合软件实现。
第九方面,提供了一种通信装置,包括处理器和存储器,所述存储器存储有程序或指令,所述处理器用于从所述存储器中调用并执行所述程序或指令,使得所述装置执行上述第一方面或第一方面中任一种可能实现方式中的方法,或者执行上述第二方面或第二方面中任一种可能实现方式中的方法。
可选地,所述装置还包括收发器。
可选地,所述处理器与所述存储器耦合。
第十方面,提供了一种通信装置,包括处理器和存储器,所述存储器存储有程序或指令,所述处理器用于从所述存储器中调用并执行所述程序或指令,使得所述装置执行上述第三方面以及第三方面的任一种可能的实现方式中的方法,或者用于实现上述第四方面以及第四方面的任一种可能的实现方式中的方法。
可选地,所述装置还包括收发器。
可选地,所述处理器与所述存储器耦合。
第十一方面,提供了一种通信装置,所述装置包括:至少一个处理器和通信接口,所述通信接口用于所述装置与其他装置进行信息交互,当程序指令在所述至少一个处理器中执行时,使得所述装置执行上述第一方面或第一方面中任一种可能实现方式中的方法,或者执行上述第二方面或第二方面中任一种可能实现方式中的方法。
可选地,所述通信接口可以为收发器、电路、总线、模块、管脚或其它类型通信接口。
可选地,该装置还包括存储器,所述存储器用于存储指令和数据,所述处理器执行所述存储器中存储的指令时,可以实现上述第一方面或第一方面的任一种可能的实现方式中描述的方法,或者执行上述第二方面或第二方面中任一种可能实现方式中的方法。
第十二方面,提供了一种装置,所述装置包括:至少一个处理器和通信接口,所述通信接口用于所述装置与其他装置进行信息交互,当程序指令在所述至少一个处理器中执行时,使得所述装置执行上述上述第三方面以及第三方面的任一种可能的实现方式中的方法,或者用于实现上述第四方面以及第四方面的任一种可能的实现方式中的方法。
可选地,所述通信接口可以为收发器、电路、总线、模块、管脚或其它类型通信接口。
可选地,该装置还包括存储器,所述存储器用于存储指令和数据,所述处理器执行所述存储器中存储的指令时,可以实现上述上述第三方面以及第三方面的任一种可能的实现方式中的方法,或者用于实现上述第四方面以及第四方面的任一种可能的实现方式中的方法。
第十三方面,提供一种计算机可读存储介质,所述计算机可读存储介质中存储有计算机程序,当所述计算机程序在计算机上运行时,使得所述计算机执行上述第一方面或第一方面的任一种可能的实现方式所述的方法,或者执行上述第二方面或第二方面中任一种可能实现方式中的方法。
第十四方面,提供一种计算机可读存储介质,所述计算机可读存储介质中存储有计算机程序,当所述计算机程序在计算机上运行时,使得所述计算机执行上述第三方面以及第三方面的任一种可能的实现方式中的方法,或者用于实现上述第四方面以及第四方面的任一种可能的实现方式中的方法。
第十五方面,提供一种包含指令的计算机程序产品,当该计算机程序产品在计算机上 运行时,使得计算机执行上述第一方面或第一方面的任一种可能的实现方式所述的方法,或者执行上述第二方面或第二方面中任一种可能实现方式中的方法。
第十六方面,提供一种包含指令的计算机程序产品,当该计算机程序产品在计算机上运行时,使得计算机执行上述上述第三方面以及第三方面的任一种可能的实现方式中的方法,或者用于实现上述第四方面以及第四方面的任一种可能的实现方式中的方法。
第十七方面,提供了一种通信系统,包括上述第五方面、第七方面、第九方面或第十一方面中所述的通信装置,和上述第六方面、第八方面、第十方面或第十二方面中所述的通信装置。
附图说明
图1是本申请实施例提供的一种无线通信系统的示意图。
图2是动态关联形式分配SL进程的示意图。
图3是重传定时器的工作方式示意图。
图4是现有技术中接收端管理定时器过程的示意图。
图5是现有技术中接收端管理定时器过程的示意图。
图6是现有技术中接收端管理定时器过程的示意图。
图7是现有技术中接收端管理定时器过程的示意图。
图8是现有技术中接收端管理定时器过程的示意图。
图9是本申请实施例提供的一种无线通信的方法的示意性流程图。
图10是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图11是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图12是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图13是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图14是本申请实施例提供的一种无线通信的方法的示意性流程图。
图15是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图16是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图17是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图18是本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。
图19是本申请实施例提供的一种无线通信的方法的示意性流程图。
图20是本申请实施例提供的另一种无线通信的方法的示意性流程图。
图21是本申请实施例提供的又一种无线通信的方法的示意性流程图。
图22是本申请实施例提供的一种通信装置的示意图。
图23是本申请实施例提供的一种通信装置的示意图。
图24是本申请实施例提供的一种终端设备的示意图。
具体实施方式
下面将结合附图,对本申请中的技术方案进行描述。
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)、通用移动通信系统(universal mobile telecommunication system,UMTS)、未来的第五代(5th generation,5G)系统或新无线(new radio,NR)等。
图1示出了本申请实施例提供的一种无线通信系统100的示意图。
本适用于申请实施例的无线通信系统可以包括至少两个终端设备,如图1所示的通信系统100中的终端设备102、103、104、105、106、107、108。本适用于申请实施例的无线通信系统还可以包括至少一个网络设备,如图1所示的无线通信系统100中的网络设备101。该至少两个终端设备之间可以建立侧行链路(sidelink,SL),例如图1中终端设备104与终端设备106、107、108之间建立侧行链路,再例如图1中终端设备103与终端设备105和106分别建立侧行链路,建立了侧行链路的终端设备之间可以直接进行通信。其中,一个终端设备可以与一个或多个终端设备建立侧行链路,例如图1中终端设备104与多个设备建立侧行链路。该无线通信系统中的终端设备中也可以与网络设备建立无线连接进行数据通信,如图1所示的终端设备102、104分别于网络设备101建立无线链路。该无线通信系统中的终端设备也可以不与网路设备建立无线链路,如图1所示的终端设备103,不与网络设备建立无线链路的终端设备还可以与多个终端设备建立无线链路,如图1中的终端设备103分别与终端设备105和106建立无线链路。应理解,上述无线通信系统仅为示意性举例,本申请对此不作限定。
终端设备可以是一种向用户提供语音/数据连通性的设备,例如,具有无线连接功能的手持式设备、车载设备等。目前,一些终端的举例为:手机(mobile phone)、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device,MID)、可穿戴设备,虚拟现实(virtual reality,VR)设备、增强现实(augmented reality,AR)设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端、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、个人数字助理(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,未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network,PLMN)中的终端设备等,本申请实施例对此并不限定。
作为示例而非限定,在本申请实施例中,该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备,是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称,如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上,或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备,更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能,例如:智能手表或智能眼镜等,以及只专注于某一类应用功能,需要和其它设备如智能手机配合使用,如各类进行体征监测的智能手环、智能首饰等。
此外,在本申请实施例中,终端设备还可以是物联网(internet of things,IoT)系统 中的终端设备,IoT是未来信息技术发展的重要组成部分,其主要技术特点是将物品通过通信技术与网络连接,从而实现人机互连,物物互连的智能化网络。
在本申请实施例中,IOT技术可以通过例如窄带(narrow band)NB技术,做到海量连接,深度覆盖,终端省电。例如,NB可以包括一个资源块(resource bloc,RB),即,NB的带宽只有180KB。要做到海量接入,必须要求终端在接入上是离散的,根据本申请实施例的通信方法,能够有效解决IOT技术海量终端在通过NB接入网络时的拥塞问题。
另外,本申请实施例中的网络设备可以是用于与终端设备通信的设备,该网络设备也可以称为接入网设备或无线接入网设备,例如,网络设备可以是LTE系统中的演进型基站(evolved NodeB,eNB或eNodeB),还可以是云无线接入网络(cloud radio access network,CRAN)场景下的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等,可以是WLAN中的接入点(access point,AP),可以是新型无线系统(new radio,NR)系统中的gNB本申请实施例并不限定。
另外,在本申请实施例中,网络设备是RAN中的设备,或者说,是将终端设备接入到无线网络的RAN节点。例如,作为示例而非限定,作为网络设备,可以列举:gNB、传输接收点(transmission reception point,TRP)、演进型节点B(evolved Node B,eNB)、无线网络控制器(radio network controller,RNC)、节点B(node B,NB)、基站控制器(base station controller,BSC)、基站收发台(base transceiver station,BTS)、家庭基站(例如,home evolved NodeB,或home Node B,HNB)、基带单元(base band unit,BBU),或无线保真(wireless fidelity,Wifi)接入点(access point,AP)等。在一种网络结构中,网络设备可以包括集中单元(centralized unit,CU)节点、或分布单元(distributed unit,DU)节点、或包括CU节点和DU节点的RAN设备、或者控制面CU节点(CU-CP节点)和用户面CU节点(CU-UP节点)以及DU节点的RAN设备。
网络设备为小区提供服务,终端设备通过该小区使用的传输资源(例如,频域资源,或者说,频谱资源)与网络设备进行通信,该小区可以是网络设备(例如基站)对应的小区,小区可以属于宏基站,也可以属于小小区(small cell)对应的基站,这里的小小区可以包括:城市小区(metro cell)、微小区(micro cell)、微微小区(pico cell)、毫微微小区(femto cell)等,这些小小区具有覆盖范围小、发射功率低的特点,适用于提供高速率的数据传输服务。
此外,LTE系统或5G系统中的载波上可以同时有多个小区同频工作,在某些特殊场景下,也可以认为上述载波与小区的概念等同。例如在载波聚合(carrier aggregation,CA)场景下,当为UE配置辅载波时,会同时携带辅载波的载波索引和工作在该辅载波的辅小区的小区标识(cell identification,Cell ID),在这种情况下,可以认为载波与小区的概念等同,比如终端设备接入一个载波和接入一个小区是等同的。
本申请的通信系统还可以适用于车联网(vehicle to everything,V2X)技术,即,本申请的终端设备还可以是汽车,例如,智能汽车或自动驾驶汽车。
V2X中的“X”代表不同的通信目标,V2X可以包括但不限于:汽车对汽车(vehicle to vehicle,V2V),汽车对路标设(vehicle to infrastructure,V2I),汽车对网络(vehicle to network,V2N),和汽车对行人(vehicle to pedestrian,V2P)。
在V2X中,网络设备可以为UE配置“区域(zone)”。其中,该区域也可以称为地理区域。当区域配置了以后,世界将被分成多个区域,这些区域由参考点、长、宽来进行定义。UE在进行区域标识(identifier,ID)确定的时候,会使用区域的长、宽、长度上面的区域数量、宽度上面的区域数量以及参考点进行余的操作。上述信息可以由网络设备进行配置。
V2X的业务可以通过两种方式提供:即,基于PC5接口的方式和基于Uu接口的方式。其中PC5接口是在直通链路(sidelink)基础上定义的接口,使用这种接口,通信设备(例如,汽车)之间可以直接进行通信传输。PC5接口可以在覆盖外(out of coverage,OOC)和覆盖内(in coverage,IC)下使用,但只有得到授权的通信设备才能使用PC5接口进行传输。
V2X通信中,用户设备(user equipment,UE)与UE之间可以采用侧行链路(sidelink,SL)的方式进行通信。在基于sidelink技术的通信方式中,Sidelink上的资源分配支持两种模式,即,调度模式(可以称为:mode1)和UE自主资源选择模式(可以称为:mode2):
其中,调度模式要求UE处于无线资源控制(radio resource control,RRC)连接态。在调度过程中,UE首先向网络设备(例如,eNB)进行资源请求,然后网络设备会分配V2X直通链路上的控制和数据资源。作为示例而非限定,在本申请中,调度模式下的调度可以包括半静态调度(semi-persistent scheduling,SPS)。具体地,V2X通信的连接态UE在侧行链路上传输数据时,UE需要首先向基站(或网络设备)发送缓存状态报告(buffer status report,BSR),报告当前需要传输的侧行链路数据量,以便基站根据数据量分配适当大小的侧行链路资源。在UE没有上报BSR的上行资源,触发调度请求(scheduling request,SR)。在UE配置了SR资源的情况下,UE通过SR资源向基站发送SR请求消息,请求基站分配发送BSR的上行资源。当基站收到SR请求消息后,根据调度结果,为该UE分配上行传输授权,用于UE发送BSR请求。
另外,在UE自主资源选择模式下,UE自己选择传输资源并自主调节V2X直通链路上控制和数据的传输格式。具体地,即当进行侧行链路通信的UE需要在侧行链路上传输数据时,UE可以在基站配置或预配置的资源池中选择资源,以用于在侧行链路上进行数据传输。基站配置的资源池可以通过系统信息来配置,也可以在收到用户设备要进行侧行链路通信的请求后通过专用信令来配置,或者采用预配置的方式。
例如,如果UE被配置了“区域(zone)”到“传输资源”的映射关系,那么UE根据自己所在的区域选择相应的资源池。其中,资源池也可以称为资源集合或资源组,一个资源池可以包括一个或多个资源,例如,V2X资源。并且,该资源池可以是接入设备预先为UE配置的。并且,在资源池中进行资源选择的时候,UE使用监测(sensing)的功能,另外,“监测”也可以称为测量或检测。基于sensing的结果,UE进行资源选择并预定多个资源。
在本申请中,该资源池可以是指用于侧链(sidelink)的控制信息和数据传输的资源。
可选地,该资源池中的资源包括时域资源、频域资源和时频域资源中的至少一种。
例如,该资源可以包括资源块(resource block,RB)RB。
再例如,在V2X中,资源可以包括由连续的多个RB构成的子信道subchannel,其中, 该子信道可以是在侧链(sidelink)上调度/数传的最小单元。
在本申请中,为了协助接入设备配置V2X直通链路资源,UE可以向接入设备报告位置信息,这个上报可以使用现有的周期性的测量上报信令和流程。
在本申请中,V2X的资源(或者说,资源池)可以包括公共(common)类型资源池、特殊(exceptional)类型资源池和专用(dedicated)类型资源池。
此外,当UE以上述两种资源选择模式之一进行V2X通信时,网络设备可以配置终端设备执行执行另一种资源选择模式。例如,在LTE V2X中,UE只能被配置执行两种自愿选择模式之一,若UE先前工作于调度模式,由于需要进行sidelink通信且有数据待传,触发了sidelink BSR,且此时没有上报BSR的上行资源,故而触发了SR,处于挂起状态,在所有挂起的SR均是由sidelink BSR触发的前提下,若在工作于调度模式的UE被重配为工作于自主模式,则取消所有挂起的SR。再例如,在NR V2X中,UE可以被配置同时支持调度模式与自主模式。
在新空口(New Radio,NR)上行通信中,PUSCH传输分为两种:基于动态授权(grant)的上行传输和没有动态授权的上行传输。
对于基于动态授权的上行传输,即gNB给UE调度动态授权(dynamic grant,DG)。UE向基站发送缓存状态报告(buffer status report,BSR)以请求基站调度上行资源。如果此时没有上报BSR的上行资源,终端需要触发调度请求(scheduling request,SR)。基站接收到UE的调度请求后,通过给UE发送下行控制信息(downlink control information,DCI),在DCI中指示UL grant的时频资源信息。即UE需要在PDCCH上监听DCI,以获取UL grant。
下面介绍于本申请实施例相关的概念:
A.停等协议
停等协议(stop-and-wait protocol)可以应用于混合自动重传(hybrid automatic repeat request,HARQ)HARQ进程中发送数据。在停等协议中,发送侧终端设备向接收侧终端设备发送一个传输块(transport block,TB)后,等待确认信息。接收侧终端设备对该传输块TB进行确认,例如,接收侧终端设备通过1比特的肯定确认信息(ACK)或否定的确认信息(NACK)。
多个并行的停等协议:当一个HARQ进程在等待确认信息时,发送侧终端设备可以使用另一个HARQ进程来继续发送数据。多个HARQ进程共同组成了一个HARQ实体(HARQ entity),HARQ实体结合停等协议,可以同时允许数据的连续传输。
一个UE在每个载波上维护HARQ实体。每个HARQ实体对应有限的HARQ进程。每个HARQ进程在接收端对应独立的HARQ缓存(buffer),用于对接收到的数据进行软合并。
在NR V2X通信过系统中,单播与组播支持HARQ反馈,即接收侧终端设备针对发送侧终端设备发送的每一次侧行链路SL传输进行反馈。例如,接收侧终端设备成功接收到发送侧终端设备发送的TB,反馈ACK;再例如,接收侧终端设备未成功接收到TB,反馈NACK。需要说明的是,用于SL传输的HARQ实体与用于上行链路UL传输的HARQ实体是独立的。
每个终端设备对应一个或多个HARQ实体。需要说明的是,一个HARQ进程在一个 传输时间间隔(transport time interval,TTI)只能处理一个TB,一个HARQ进程和一个TB相对应,每个HARQ进程在接收端都有独立的HARQ缓存以便对接收到的数据进行软合并。每个HARQ进程对应一个HARQ进程标识(process ID)。重传资源与HARQ进程标识相对应,在HARQ进程标识对应的重传资源上发送对应的重传数据。
B.侧行链路HARQ
本申请中,在NR V2X系统中,一个UE(终端设备)对应一个或多个MAC实体。每个发送侧终端设备的MAC实体维护对应一个或多个用于与网络设备通信的HARQ实体,并且对应一个或多个与其他终端设备(例如,接收侧终端设备)通信的HARQ实体。其中,对应于与其他UE通信的HARQ实体维护多个SL进程。
在进行侧行链路业务时,终端设备#B(即发送侧终端设备的一例,例如可以是图1中的终端设备104)从发送侧侧行链路SL进程中确定一个用于发送传输块TB的SL进程。可选地,终端设备#B可以根据其工作方式确定该SL进程。
例如,终端设备#B工作于mode1(即发送侧终端设备发送缓存的SL数据时,向网络设备请求SL资源):
步骤1:终端设备#B接收网络设备发送的下行控制信息DCI,获取该DCI中的HARQ ID,该DCI用于该网络设备调度侧行链路SL资源,;
步骤2:在终端设备#B的SL进程中确定一个用于处理该资源的SL进程,并将选择的SL进程与该DCI中的HARQ ID进行关联;
步骤3:终端设备#B将确定的SL进程的标识ID携带在侧行控制信息SCI中,并通过侧行链路发送给终端设备#A。
终端设备#A:
步骤1:终端设备#A接收终端设备#B发送的侧行控制信息SCI,判断待传输的数据为新传数据或重传数据;
步骤2:在待传输的数据为新传数据的情况下,终端设备#A分配一个SL进程接收该SCI对应的数据,并将该SL进程与SCI(例如ID等信息)关联。
该SL进程为未占用的SL进程。具体地,终端设备#A将接收到的SCI中指示的SL进程ID与所确定的SL进程ID进行关联。
步骤3:解码接收到的数据(传输块)。
在解码成功的情况下,确定该终端设备#A对应的SL进程为未占用。
需要说明的是,SCI中携带的SL进程标识由发送侧终端设备确定。接收侧终端设备可以接收多个发送侧终端设备的SL传输,不同发送侧终端设备可以在对应的SCI中指示相同的SL进程标识(ID),接收侧终端设备采用动态关联的形式分配用于接收SL进程。如图2示出了本申请实施例动态关联形式分配SL进程的示意图。
C.HARQ定时器
动态资源扩展DRX配置中包含定时器drx-HARQ-RTT-TimerDL(或UL)的配置参数,该参数与每DL HARQ进程或每UL HARQ进程配置,且与重传相关,表示UE在收到期望的下行重传调度(或在发送期望的上行重传数据)之前,需要等待的最短时长。对于DL(UL),往返时间(round trip time,RTT)定时器可以理解为是基站的处理时间,该段时间内,终端设备确定无重传调度。在不满足唤醒条件的情况下,终端设备处于睡眠状态; 在RTT定时器超时的情况下,基站处理完成,可能需要调度DL重传,终端设备启动drx-RetransmissionTimerDL以回到唤醒状态监听重传调度。
例如,如图3示出了本申请实施例提供的重传定时器的工作方式示意图。如图3所示,在下行链路中,该定时器的工作方式如下:
启动:针对某个HARQ进程,UE在DL SPS上接收到了一个介质访问控制MAC协议数据单元PDU,或者,UE收到了指示DL分配的PDCCH,在发送DL反馈后的第一个符号启动该定时器;
停止:协议未定义件;
超时:针对某个HARQ process,若RTT timer超时,且UE没有成功解码data,启动drx-RetransmissionTimerDL。
图4至图8示出了现有技术中可能的管理定时器的方法的示意图。如图4至图8所示,所述方法示出了接收侧终端设备处理定时器的可能的实现方法。
图4示出了现有技术中接收端管理定时器过程的示意图。如图4所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A执行。所述方法的执行步骤如下:
步骤1:终端设备#A接收到传输块TB1,分配SL进程#A1用于接收该TB1。
步骤2:终端设备#A确定SL进程#A1为未占用。
应理解,终端设备#A将SL进程#A1确定为未占用,可以为终端设备#A接收到针对相同的传输信息#A1的新传数据,可选地,终端设备#A分配进程#A2接收该新传数据,该传输信息#A1至少包含以下一种或多种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性、HARQ进程ID、sidelink进程ID。
示例性地,以传输信息通过PSCCH信道传输为例,即携带在SCI中传输,说明判断接收到的数据为新传数据的方法。终端设备#A接收到的SCI1中包含{HARQ进程1,SRC ID 1,DST ID1,单播方式,NDI=1},其中NDI的初始值为1,SRC ID 1所标识的发送装置为终端1,DST ID1所标识的接收装置为终端2为例,接收装置首次接收到SCI1,表示SCI1调度终端1采用单播方式通过HARQ进程1向终端2新传的数据;若后续接收装置第二次接收到SCI1={HARQ进程1,SRC ID 1,DST ID1,单播方式,NDI=0},其中除了NDI的取值变化,HARQ进程1,SRC ID 1,DST ID1,单播方式的取值不变,即仅NDI取值翻转,则表示SCI1调度终端1采用单播方式通过HARQ进程1向终端2新传的数据;若后续接收装置再次接收到SCI1={HARQ进程1,SRC ID 1,DST ID1,单播方式,NDI=0},HARQ进程1,SRC ID 1,DST ID1,单播方式以及NDI的取值不变,表示SCI1调度终端1采用单播方式通过HARQ进程1向终端2重传的数据。
步骤3:终端设备#A向终端设备#B(即发送侧终端设备的一例)该TB1对应的反馈信息FB,根据该TB1对应的DRX配置信息1启动或重启SL进程#A1对应的RTT定时器。
需要说明的是,该定时器RTT1定时超时后,自动停止;并启动重传定时器使终端设备处于唤醒状态,用于监听重传数据和/或其他侧行链路传输。
可选地,在SL进程#A1确定为未占用之后,终端设备#A可以分配该SL进程#A1接收数据。可以理解的是,SL进程#A1确定为未占用之后,启动重传计时器监听侧行链路传输将增加激活时间,增加功耗。
图5示出了现有技术中接收端管理定时器过程的示意图。如图5所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A执行。所述方法的执行步骤如下:
步骤1:终端设备#A解码在SL进程#B1上接收到的传输块TB1。
步骤2:终端设备#A确定SL进程#B1为未占用。
步骤3:终端设备#A向终端设备#B(即发送侧终端设备的一例)该TB1对应的反馈信息FB1,根据该TB1对应的DRX配置信息1启动或重启SL进程#B1对应的RTT定时器。
可选地,该定时器RTT1与该SL进程#B1相关联。
步骤4:终端设备#A通过SL进程#B1接收终端设备#B发送的传输块TB3。
可选地,终端设备#A接收TB3的时刻可以位于RTT1对应的定时间隔内,如图5所示。
可选地,终端设备#A接收TB3的时刻还可以位于重传定时器的定时间隔之间。本申请并未对此进行限定。
可选地,在SL进程#B1确定为未占用之后,终端设备#A可以分配该SL进程#B1接收新传数据。可以理解的是,SL进程#B1确定为未占用之后,启动重传计时器监听侧行链路传输将增加激活时间,增加功耗。
需要说明的是图5示出了一个计时器关联一个进程的情况,例如,RTT1与SL进程#B1。
可选地,一个进程还可以对应多个计时器。如图6所示,图6示出了现有技术中接收端管理定时器过程的示意图,其中,SL进程#C1可以对应RTT1和RTT2。具体地,该RTT1可以与SL进程#C1和信息#C1关联,RTT2可以与SL进程#C1和信息#C2关联,信息#C1与TB1对应,用于指示TB1的传输特征,信息#C2与TB3对应,用于指示TB1的传输特征,其中信息#C1和信息#C2可以为以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性、HARQ进程ID、sidelink进程ID,信息#C1和信息#C2不同。
可选地,SL进程#C1可以对应RTT1和RTT2,终端设备#A发送了TB3对应的反馈信息FB3,可以根据TB3对应的DRX配置信息DRX2配置RTT2定时时长并启动该RTT2。可以理解的是,终端设备#A将SL进程#C1确定为未占用之后,在发送了TB1的反馈信号FB1时启动计时器RTT1,计时器RTT1超时,启动重传计时器监听侧行链路传输,将增加激活时间,增加功耗。
图7示出了现有技术中接收端管理定时器过程的示意图。如图5所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A执行。所述方法的执行步骤如下:
步骤1:终端设备#A解码在SL进程#D1上接收到的传输块TB1。
步骤2:终端设备#A确定该TB1解码成功,将该SL进程#B1确定为未占用。
步骤3:终端设备#A向终端设备#B(即发送侧终端设备的一例)发送该TB1对应的反馈信号FB1,根据该TB1对应的DRX配置信息DRX1启动SL进程#D1对应的RTT定时器。
可选地,该定时器RTT与该SL进程#B1相关联。
步骤4:终端设备#A通过SL进程#D1接收终端设备#B发送的传输块TB2。
步骤5:终端设备#A向终端设备#B发送该TB2对应的反馈信号FB2。
可选地,终端设备#A接收TB3的时刻可以位于RTT定时器对应的定时间隔内,如图7所示。
可选地,终端设备#A接收TB3的时刻还可以位于重传定时器的定时间隔之间。本申请并未对此进行限定。
需要说明的是,接收TB2的时域位置还可以不位于RTT定时器或重传定时器的定时器间隔内,本申请并未对此进行限定。本申请并未对此进行限定。
可选地,在SL进程#B1确定为未占用之后,终端设备#A可以分配该SL进程#D1接收新传数据。
需要说明的是,图7示出了一个计时器关联一个进程的情况。
可选地,一个进程还可以对应多个计时器。如图8所示,图8示出了现有技术中接收端管理定时器过程的示意图。图8中一个进程对应多个计时器,与图6所示的SL进程#C1可以对应RTT1和RTT2的情况类似,这里为避免赘述,省略其详细介绍。
图9示出了本申请实施例提供的一种无线通信的方法200的示意性流程图。如图9所示的方法200,可以应用于侧行链路混合自动重传过程中,该方法200可以由图1中的接收侧终端设备执行,例如由图1中的终端设备106、107或108执行,为便于描述以下使用终端设备#A表示接收侧终端设备。如图9所示的方法200,终端设备#A通过确定第一进程满足第一条件,从而能够控制第一定时器的工作状态,避免第一定时器的持续定时造成的额外监听时间,降低能耗。该方法200包括:
S210,终端设备#A确定第一进程满足第一条件,该第一进程用于传输第一侧行数据;
可选地,侧行数据可以为传输块TB。
可选地,该条件#1(即,第一条件的一例)为该第一进程为未占用(occupied)。
该第一进程可以为侧行链路SL混合自动重传响应HARQ进程。例如,该第一进程为用于PC5通信的HARQ进程。
需要说明的是,第一进程为未占用还可以理解为该第一进程为未占用的状态,或者该第一进程为未占用还可以理解为该第一进程被释放,或者该第一进程处于空闲状态,或者终端设备#A允许将该第一进程用于接收其他传输,例如,终端设备#A释放该第一进程。
可选地,终端设备#A确定满足第三条件,确定该第一进程未占用。
例如,条件#3(即,第三条件的一例)可以为数据#A(即,第一侧行数据的一例)解码成功。需要说明的是,终端设备#A解码数据#A成功后,将该第一进程确定为未占用;
再例如,该条件#3还可以为数据#A解码失败,且接收到具有相同信息标识的新传数据#B。该信息标识可以包括源标识(SRC ID)、目标标识(DST ID)、HARQ属性和通信类型(cast type),其中通信类型又可以称为业务类型,通信类型可以是单播、组播或是广播类型,可选的,终端设备#A分配第二进程用于接收新传数据#B。数据的新传或者重传可以通过该信息标识和NDI信息表示。例如,终端设备#A接收到终端设备#B发送的侧行控制信息SCI,读取并确定该SCI中包含的信息标识以及NDI信息。确定终端设备#A是否接收过相同的信息,在接收到相同的信息的情况下,比较第一次接收到该标识信息对应的SCI中的NDI信息与第二次接收到该标识信息对应的SCI中的NDI信息是否相同,在两次NDI信息相同的情况下,确定数据为重传数据;在两次NDI信息不同的情况下(即 NDI取值翻转,toggle)确定数据为新传数据。需要说明的是,在第二进程上接收到数据#A可以理解为,该数据#A与第二进程存在关联关系。
可选地,该条件#1还可以为该数据#A解码成功。
可选地,该条件#1还可以为分配第一进程用于接收新传TB。
可选地,该条件#1还可以为发送数据#A关联的反馈信息。
该反馈信息可以为终端设备#A(这个实施例里#A是收端UE)确定发送肯定的确认信息ACK或不发送否定的确认信息NACK。该反馈信息可以对应两种不同的静态反馈模式,第一种模式为发送ACK/NACK,例如,正确的接收到数据,发送ACK信息,未正确接收到数据发送NACK信息。第二种模式为仅发送NACK,例如正确接收到数据不发送NACK,未正确接收到数据发送NACK。可以理解的是,反馈信息为不发送NACK的情况下对应该第二种静态反馈模式。
S220,终端设备#A停止第一定时器,该第一定时器用于指示期望接收到重传的最小时长,或者该第一定时器用于指示保持唤醒的时长。
需要说明的是,该第一定时器用于指示保持唤醒的时长还可以理解为:
可选地,该第一进程可以对应一个或多个第一定时器,该第一定时器与该第一进程关联,或该第一定时器与该第一进程和第一信息关联,所述第一信息包括以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性、sidelink进程ID、HARQ进程ID。
例如,该第一进程对应一个第一定时器,该第一定时器与该第一进程关联。可以理解的是,第一定时器与第一进程关联可以理解为,该第一定时器与该第一进程具有一对一的对应关系。具体地,例如,该进程#A(即第一进程的一例)对应RRT定时器#A(即第一定时器的一例),RRT定时器#A的定时时长可以根据不同的DRX配置进行切换。如T1时刻,进程#A关联于pair1,则RRT定时器#A的长度为pair1对应的DRX配置中提供的RRT定时器#A的定时长度;T2时刻,接收侧终端设备分配进程#A用于接收pair2的侧行链路传输(即进程#A关联于pair2),则进程#A的RTT定时器的长度为pair2对应的DRX配置中提供的定时长度。
再例如,该第一进程对应多个第一定时器,该第一定时器与第一进程和第一信息关联。具体地,例如,进程#B(即第一进程的一例)对应多个RTT定时器(即第一定时器多例,如RTT#B1,RTT#B2……)。该进程#B针对每一个pair提供的DRX配置,分别关联不同的RTT定时器。如T1时刻,该进程#B关联于pair1,则该定时器的长度为pair1对应的DRX配置中提供的RTT#B1的定时长度;T2时刻,接收侧终端设备分配该进程#B用于接收pair2的侧行链路传输,且为该进程#B关联定时器RTT#B2,其定时长度为pair2对应的DRX配置中提供的RTT#B2的长度。
应理解,上述pair可以由一组源标识与目标标识进行标识,pair对应于一组源标识与目标标识,例如{目标标识1,源标识1}用于标识pair1,{目标标识2,源标识2}用于标识pair2;或者pair可以由侧行链路标识(link identifier)进行标识,例如侧行链路标识1用于标识pair1,侧行链路标识2用于标识pair2;或者pair对应于一组发射设备和接收设备,例如发射设备1与接收设备1可称为pair1,发射设备1与接收设备2可称为pair2。其中所述发射设备和接收设备可以是终端设备,也可以是网络设备等,在此不做限定。
可选地,该第一定时器为往返传输时间RTT定时器或重传定时器(Retransmission Timer)。可以理解,终端设备#A停止第一定时器,可以理解为停止该RTT定时器或者停止重传定时器。应理解,在其他一些实施例中,第一定时器也可以采用其他定时器,以实现上述第一定时器的功能。
可选地,条件#1为第一进程未占用,且在步骤S210之前,所述方法200还可以包括:
接收该第一侧行数据或者发送该第一侧行数据的第一反馈信息,启动或重启所述第一定时器。
具体地,例如,启动该第一定时器可以为终端设备#A接收到终端设备#B(即发送侧终端设备的一例)发送的物理侧行链路控制信道PSCCH或物理侧行链路共享信道PSSCH后启动该第一定时器。如,终端设备#A接收到终端设备#B发送的侧行控制信息SCI后,根据该SCI接收终端设备#B发送的PSSCH;终端设备#A接收到该PSSCH,启动该第一定时器。或者,终端设备#A接收到终端设备#B发送的侧行控制信息SCI后,启动该第一定时器。
再例如,启动该第一定时器可以为终端设备#A向终端设备#B发送的物理侧行反馈信道PSFCH后启动该第一定时器。如,终端设备#A接收到终端设备#B发送的侧行控制信息SCI后,根据该SCI接收终端设备#B发送的PSSCH;终端设备#A接收到该PSSCH后根据解码结果向终端设备#B发送该PSFCH,并启动或重启该第一定时器。
可选地,该第一反馈信息为该第一侧行数据对应的反馈信息,例如,该第一反馈信息可以在物理侧行反馈信道PSFCH上传输。
图10至图13示出了本申请实施例提供的定时器管理的方法示意图。如图10至图13所示,所述方法示出了接收侧终端设备处理定时器的可能的实现方法,图10至图13所示的方法用于在处理完数据传输块TB对定时器进行处理的过程。
图10示本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。如图10所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A执行。
需要说明的是,本申请实施例中所涉及的步骤没有严格的时间约束关系,在一些实施例中,以下所述的各个步骤可以按照时间先后顺序执行,在另一些实施例中,不同的步骤也可以同步执行,本申请实施例对此不作限定。
步骤1:终端设备#A解码通过SL进程#1接收到的传输块TB1,根据该TB1对应的配置信息DRX1启动RTT定时器。
可选地,终端设备#A可以在接收到TB1时启动对应的RTT定时器。
步骤2:终端设备#A确定该SL进程#1为未占用,停止该RTT定时器或重传定时器。
应理解,终端设备#A将SL进程#1确定为未占用,可以为终端设备#A接收到针对相同的信息#1的新传数据,可选地,终端设备#A分配SL进程#2接收该新传数据,该传输信息#1至少包含以下一种或多种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性、HARQ进程ID、sidelink进程ID
在一种可能的情况中,终端设备#A确定SL进程#1为未占用时,RTT定时器可能已经超时,且RTT超时后启动了重传定时器,此时RTT定时器未运行而重传定时器正在运行,则停止重传定时器。
步骤3:终端设备#A向终端设备#B发送该TB1对应的反馈信息FB#1。
应理解,该反馈信息FB#1是终端设备#A对应于TB1向终端设备#B发送的反馈信息,该反馈可以为肯定的确认信息ACK或者否定的确定信息NACK,或者不发送ACK或NACK。还应理解,该两种反馈信号对应不同的静态反馈模式。
步骤4:终端设备#A分配该SL进程#1接收新传数据TB3,并根据该TB3的DRX配置信息DRX2启动或重启该RTT定时器,和/或发送该TB3对应的反馈信息FB3。
需要说明的是,图10中,SL进程#1对应一个RTT定时器(即第一进程对应一个第一定时器),图10所示的RTT定时器的定时时长仅为示意性举例,图10中阴影部分表示SL进程#1在未占用后停止RTT定时器所对应的时长。
还需要说明的是,以上步骤1~步骤4没有时间先后关系,可以任意交换执行顺序。例如,终端设备#A向终端设备#B发送该TB1对应的反馈信息FB#1后,确定该SL进程#1为未占用,然后停止RTT定时器或重传定时器。
再例如,图10中仅示意了在接收到TB1时启动RTT定时器的情况,然而本申请并不限定于此。
还需要说明的是图10中接收TB3的时刻可以在该RTT定时超时后的的时间范围内,或者接收TB3的时刻可以在该RTT的定时时间范围内。本申请并不限定与此。
图11示出了本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。如图11所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A执行。
步骤1:终端设备#A通过SL进程#1上接收传输块TB1,根据该TB1对应的配置信息DRX1启动RTT定时器。
可选地,终端设备#A可以在接收到TB1时启动对应的RTT定时器。
步骤2:终端设备#A确定该TB1解码成功,将该SL进程#1确定为未占用,并停止该RTT定时器。
可选地,步骤2还可以为,终端设备#A确定该TB1解码成功,停止该RTT定时器。
可选地,步骤2还可以为,终端设备#A发送TB1对应的反馈信息,停止该RTT定时器。该反馈信息可以为发送肯定的确认信息ACK,或者不发送否定的确认信息NACK。
步骤3:可选地,终端设备#A向终端设备#B发送该TB1对应的反馈信息FB#1。
步骤4:可选地,终端设备#A分配该SL进程#1接收新传数据TB3,并根据该TB3的配置信息DRX2启动该RTT定时器,以及发送该TB3对应的反馈信息FB3。
需要说明的是,图11中示出的TB3的接收时间在RTT定时器定时时间范围内,再例如,图11中仅示意了在接收到TB1时启动RTT定时器,然而本申请并不限定于此。
还需要说明的是,图11中与图10中的执行步骤对应解码成功与解码失败两种情况,而图11与图10中启动RTT定时器的方式,发送反馈信号的方式一致,这里为避免赘述,省略其详细介绍。
还需要说明的是,以上步骤1~步骤4没有时间先后关系,可以任意交换执行顺序。例如,终端设备#A向终端设备#B发送该TB1对应的反馈信息FB#1后,确定该SL进程#1为未占用,然后停止RTT定时器或重传定时器。
可选地,终端设备#A确定该TB1解码成功,不启动RTT定时器。或者,终端设备#A确定该TB1解码失败,启动RTT定时器。例如终端设备#A确定解码失败时启动RTT定时器,或者发送TB1对应的否定反馈信息NACK时、生成TB1对应的否定反馈信息NACK 时,启动RTT定时器。
图12示出了本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。如图12所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A执行。
步骤1:终端设备#A通过SL进程#3接收传输块TB1,根据该TB1对应的配置信息DRX1启动RTT定时器。
可选地,终端设备#A可以在接收到TB1时启动对应的RTT定时器。
步骤2:终端设备#A确定该SL进程#3为未占用,停止该RTT定时器。
在一种可能的情况中,终端设备#A确定SL进程#1为未占用时,RTT定时器可能已经超时,且RTT超时后启动了重传定时器,此时RTT定时器未运行而重传定时器正在运行,则停止重传定时器。
步骤3:可选地,终端设备#A向终端设备#B发送该TB1对应的反馈信息FB#1。
应理解,该反馈信息FB#1是终端设备#A对应于TB1向终端设备#B发送的反馈信息,该反馈可以为肯定的确认信息ACK或者否定的确定信息NACK,或者不发送ACK或NACK。还应理解,该两种反馈信号对应不同的静态反馈模式。
步骤4:终端设备#A分配该SL进程#3接收新传数据TB3,并根据该TB3的配置信息DRX2启动该RTT定时器,以及发送该TB3对应的反馈信息FB3。
可选地,该RTT1与SL进程#3和信息#31相互关联,RTT2与SL进程#3和信息#32相互关联。该信息#31和信息#32可以为源标识(SRC ID)、目标标识(DST ID)、通信类型或混合自动重传响应HARQ属性、HARQ进程ID、sidelink进程ID的至少一种,且信息#31和信息#32可以不同。例如信息#31可以对应{SRC ID 1,DST ID 1},信息#32可以对应{SRC ID 2,DST ID 2}。
需要说明的是,图12中,SL进程#3对应两个RTT定时器(即第一进程对应多个第一定时器的一例),图10所示的RTT定时器的定时时长仅为示意性举例,图10中阴影部分表示SL进程#1在未占用后停止RTT定时器所对应的时长。
再例如,图10中仅示意了在接收到TB1时启动RTT定时器的情况,然而本申请并不限定于此。
还需要说明的是图10中接收TB3的时刻可以在该RTT定时超时所占的时间范围内,或者接收TB3的时刻可以在该RTT的定时时间范围内。本申请并不限定与此。
图13示出了本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。如图13所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A执行。
步骤1:终端设备#A通过SL进程#4接收传输块TB1。
需要说明的是,该RTT1与SL进程#4和信息#41相互关联。
步骤2:终端设备#A确定该SL进程#4为未占用。
还需要说明的是,该RTT2与SL进程#4和信息#42相互关联。该信息#41与该信息#42可以不同。
步骤3:终端设备#A向终端设备#B发送该TB1对应的反馈信息FB#1。
步骤4:终端设备#A分配该SL进程#4接收新传数据TB3,并根据该TB3的配置信息DRX2启动该RTT定时器(即RTT2),以及发送该TB3对应的反馈信息FB3。
需要说明的是,在步骤2中,确定SL进程#4为未占用,可以理解为该SL进程#4与 信息#41不存在关联关系,或者终端设备#A释放SL进程4与信息41的关联关系。定时器RTT1在TB1解码失败后不启动。
应理解,上述实施例仅为示意性说明,本申请并不限定于此。
图14示出了本申请实施例提供的无线通信方法300的示意性流程图。如图10所示的方法300可以应用于图1所示的系统,该方法200可以由图1中的接收侧终端设备执行,例如由图1中的终端设备106、107或108执行,为便于描述以下使用终端设备#A表示接收侧终端设备。如图14所示的方法300,终端设备#A通过确定第一进程满足第一条件,从而能够控制第一定时器的工作状态,避免第一定时器的持续定时造成的额外监听时间,降低能耗,进而避免第一定时器运行对第二侧行数据的激活时间的影响。
该方法300包括:
S310,终端设备#A确定第一进程满足第一条件,该第一进程用于传输第一侧行数据;
可选地,该第一条件可以为所述第一进程未占用;
可选地,该第一条件还可以为该第一侧行数据解码成功;
可选地,该第一条件还可以为发送该第一侧行数据的反馈信息。
需要说明的是,步骤S310与步骤S210具有相同的执行步骤,此处,为避免赘述,省略其详细描述。
S320,终端设备#A确定该第一进程满足第二条件,该第二条件为通过该第一进程接收第二侧行数据;
可选地,该第二侧行数据可以为传输块TB#2。
需要说明的是,终端设备#A可以确定侧行链路HARQ进程为未占用状态(或者为未占用),终端设备#A可以分配未占用的进程用于传输第二侧行数据,例如,终端设备#A可以分配第一进程接收第二侧行数据。可以理解的是,在确定进程为未占用之后,该进程在被确定为未占用前关联的传输块TB将不会进行重传过程。或者终端设备#A不处理该进程在被确定为未占用前关联的传输块TB。
S330,终端设备#A停止第一定时器,该第一定时器用于指示期望接收到重传的最小时长,或者该第一定时器用于指示保持唤醒的时长。
可选地,终端设备#A确定该第一进程满足第一条件和第二条件,停止该第一定时器。
可选地,所述方法300还可以包括:
终端设备#A根据第二侧行数据对应的配置信息启动或重启所述第一定时器。
可选地,该配置信息可以为DRX配置信息。
可选地,终端设备#A根据第一信令配置所述第二侧行数据的配置信息。该第一信令可以为RRC信令。具体地,例如,终端设备#A的RRC层指示MAC配置第二侧行数据对应的ID pair的DRX配置信息。该步骤可以独立于其他步骤作为单独的方案执行,也可以与任何其他步骤组合作为方案执行。
还需要说明的是,步骤S330和步骤S220的执行过程类似,此处,为避免赘述,省略其详细描述。例如,步骤S330中的第一进程可以对应一个第一定时器,再例如,步骤S330中第一进程可以对应多个第一定时器。
图15至图18示出了本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。如图15至图18所示,所述方法示出了接收侧终端设备处理定时器的又一种可能 的实现方法,图10至图13所示的方法用于在侧行链路进程上接收到新传数据(TB)时对定时器进行处理的过程。
图15示出了本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。如图15所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A(如终端设备107)执行。
步骤1:终端设备#A通过SL进程#1接收传输块TB1,根据该TB1对应的配置信息DRX1启动RTT定时器。
可选地,终端设备#A可以在接收到TB1时启动对应的RTT定时器。
步骤2:终端设备#A确定该SL进程#1为未占用。
应理解,终端设备#A将SL进程#1确定为未占用,可以为终端设备#A接收到针对相同的信息#1的新传数据,可选地,终端设备#A分配SL进程#2接收该新传数据,该传输信息#1至少包含以下一种或多种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性、HARQ进程ID、sidelink进程ID。
步骤3:可选地,终端设备#A通过该SL进程#1向终端设备#B发送该TB1对应的反馈信号FB#1。
应理解,该反馈信号FB#1是终端设备#A对应于TB1向终端设备#B发送的反馈信号,该反馈可以为肯定的确认信息ACK或者否定的确定信息NACK,或者不发送ACK或NACK。还应理解,该两种反馈信号对应不同的静态反馈模式。
步骤4:终端设备#A分配该SL进程#1接收新传数据TB3,停止正在运行的该RTT定时器,并根据该TB3的配置信息DRX2启动该RTT定时器。
需要说明的是,图15中通过SL进程#5接收TB3的时刻可以在该RTT定时时间范围内,或者接收TB3的时刻可以在该RTT的定时时间范围外,例如接收该TB3的时间还可以为重传定时器的运行时间范围内。图15仅示意性的给出了RTT定时器的定时时间范围,而本申请并不限定与此。例如,图15所示的示意图中还可以包括重传定时器。
在一种可能的情况中,终端设备#A确定SL进程#1为未占用时,RTT定时器可能已经超时,且RTT超时后启动了重传定时器,此时RTT定时器未运行而重传定时器正在运行,则停止重传定时器。
可选地,在所述RTT定时器正在运行的情况(即该RRT定时器按照配置信息DRX1的配置运行),通过该SL进程#5接收到新传TB,并根据新传数据(即TB3)对应的DRX的RTT配置重启该RTT定时器;
可选地,在重传定时器正在运行的情况下(即该RTT定时超时,启动该重传定时器),通过该SL进程#5接收到新传TB,并停止该重传定时器,根据新传数据(即TB3)对应的DRX的RTT配置重启该RTT定时器;
可选地,通过该SL进程#5接收到新传TB,则停止正在运行的定时器(RTT定时器或重传定时器)。
步骤5:可选地,发送该TB3对应的反馈信息FB3。
需要说明的是,图15中,SL进程#5对应一个RTT定时器(即第一进程对应一个第一定时器),图15所示的RTT定时器的定时时长仅为示意性举例。
还需要说明的是,以上步骤1~步骤5没有时间先后关系,可以任意交换执行顺序。
再例如,图15中仅示意了在接收到TB1时启动RTT定时器的情况,然而本申请并不限定于此。
图15示出了TB1解码失败以及通过SL进程接收到传输块的情况,但本申请并未限定于此,例如,图15还可以对应TB1解码成功的情况,或者在发送传输块TB的反馈信号后启动RTT定时器。需要说明的是,TB1解码成功且在发送传输块TB的反馈信息后启动RTT定时器可以如图16所示的进程管理的方法的示意图。
如图16所示的本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图,可以应用于图1中的接收侧终端设备,如由终端设备#A(如终端设备107)执行。
图16所示的方法中,可选地,在所述RTT定时器或者重传定时器正在运行的情况下(即该RRT定时器或者重传定时器按照配置信息DRX1的配置运行),通过该SL进程#6接收到新传TB,停止该RRT定时器,并根据新传数据(即TB3)对应的DRX的RTT配置启动该RTT定时器。
图17示出了本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图。如图17所示的方法可以由图1中的接收侧终端设备执行,如由终端设备#A(如终端设备107)执行。
步骤1:终端设备#A通过SL进程#7接收传输块TB1,根据该TB1对应的配置信息DRX1启动RTT定时器(RTT1)。
可选地,终端设备#A可以在接收到TB1时启动对应的RTT定时器。
步骤2:终端设备#A确定该SL进程#1为未占用。
应理解,终端设备#A将SL进程#7确定为未占用,可以为终端设备#A接收到针对相同的信息#1的新传数据,可选地,终端设备#A分配SL进程#2接收该新传数据,该传输信息#1至少包含以下一种或多种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性、HARQ进程ID、sidelink进程ID。
步骤3:终端设备#A向终端设备#B发送该TB1对应的反馈信号FB#1。
应理解,该反馈信号FB#1是终端设备#A对应于TB1向终端设备#B发送的反馈信号,该反馈可以为肯定的确认信息ACK或者否定的确定信息NACK,或者不发送ACK或NACK。还应理解,该两种反馈信号对应不同的静态反馈模式。
步骤4:终端设备#A分配该SL进程#7接收新传数据TB3,停止该重传定时器,并根据该TB3的DRX配置信息DRX2启动RTT2定时器。
可选地,终端设备#A分配该SL进程#7接收新传数据TB3,停止该重传定时器,
需要说明的是,图17仅示意性的给出了RTT定时器的定时时间范围,而本申请并不限定与此。例如,图17所示的示意图中还可以包括重传定时器。
可选地,在所述RTT定时器正在运行的情况(即该RRT定时器按照配置信息DRX1的配置运行),通过该SL进程#7接收到新传TB,停止该定时器RTT1;
可选地,在重传定时器正在运行的情况下(即该RTT定时超时,启动该重传定时器),通过该SL进程#7接收到新传TB,并停止该重传定时器.。
步骤5:发送该TB3对应的反馈信息FB3。
需要说明的是,图17中,SL进程#7对应两个RTT定时器(即第一进程对应多个第一定时器的一例),图17所示的RTT定时器的定时时长仅为示意性举例。
还需要说明的是,以上步骤1~步骤5没有时间先后关系,可以任意交换执行顺序。
再例如,图17中仅示意了在接收到TB1时启动RTT定时器的情况,然而本申请并不限定于此。
图17示出了TB1解码失败以及通过SL进程#7接收到传输块的情况,但本申请并未限定于此,例如,图17还可以对应在发送传输块TB1的反馈信号后启动RTT定时器。需要说明的是,在发送传输块TB1的反馈信号后启动RTT定时器可以如图18所示的进程管理的方法的示意图。
如图18所示的本申请实施例提供的无线通信的方法中接收侧管理定时器过程的示意图,可以应用于图1中的接收侧终端设备,如由终端设备#A(如终端设备107)执行。
图18所示的方法中,可选地,在所述定时器RTT1正在运行的情况下(即该RRT定时器按照配置信息DRX1的配置运行),通过该SL进程#8接收到新传TB2,停止定时器(RRT1或重传定时器#1)。
需要说明的是,图17示出的停止RTT定时器或重传定时器为停止,在释放SL进程#7之前,与SL进程#7和信息#71相关联的定时器(RTT1或重传定时器);图18示出的停止RTT定时器或重传定时器为停止,在释放SL进程#8之前,与SL进程#8和信息#81相关联的定时器(RTT1或重传定时器)。
图19示出了本申请实施例提供的一种无线通信的方法400的示意性流程图。如图19所示的方法400,可以应用于侧行链路混合自动重传过程中,该方法400可以由图1中的接收侧终端设备执行,例如由图1中的终端设备106、107或108执行,为便于描述以下使用终端设备#A表示接收侧终端设备。如图19所示的方法400,终端设备#A确定在第四进程满足第四条件时,通过确定第四进程为未占用状态,能够避免在第四进程成功解码侧行数据时,第四进程被分配用于传输其他侧行数据时,对其他侧行数据激活时间的影响,此外,通过确定第四进程为未占用可以避免额外监听时间,降低能耗。该方法400包括:
S410,终端设备确定第四进程满足第四条件,所述第四进程用于传输第四侧行数据;
可选地,第四条件可以为该第四侧行数据解码成功且第四定时器定时时间超时,所述第四定时器用于对所述第四进程进行定时。
需要说明的是,第四定时器定时超时后,该第四定时器定时停止。
可选地,该第四定时器与该第四进程关联,或该第四定时器与该第四进程和第四信息关联。该第四定时器与该第四进程关联可以理解为第四定时器与第四进程一一对应,该第四定时器与该第四进程和第四信息关联,可以理解为第四定时器可以与多个定时器对应。
S420,确定所述第四进程未占用;
可选地,第四进程为未占用可以理解为第四进程为未占用状态。第四进程为未占用还可以理解为所述第四进程未与定时器相关联,或第四进程未与定时器或第四信息相关联,第四信息可以包括以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性。
S430,通过所述第四进程接收第五侧行数据。
可选地,该第五侧行数据可以为新传数据,例如该第五侧行数据可以为TB2,该第四侧行数据可以为TB1。
可选地,该第五侧行数据与第四侧行数据具有不同的信息对。
图20示出了本申请实施例提供的另一种无线通信的方法500的示意性流程图。如图20所示的方法500,可以应用于侧行链路混合自动重传过程中,该方法500可以由图1中的发送侧终端设备执行,例如由图1中的终端设备104执行,为便于描述以下使用终端设备#C(即发送侧终端设备的一例)表示。如图20所示的方法500,第六进程在满足数据传输成功条件时,通过停止或者不启动第六定时器,从而能够避免第六数据传输成功后第六定时器继续定时对第六进程业务传输的影响。该方法500包括:
S510,终端设备#C确定第六进程满足第六条件,该第六条件用于传输第六侧行数据,该第六条件为该第六侧行数据传输完成;
可选地,该第六条件可以为在第一物理上行控制信道PUCCH向网络设备发送第一确认信息;例如,在第一PUCCH上发送肯定的确认信息ACK。
可选地,该第六条件还可以为在第一物理侧行反馈信道PSFCH接收到终端设备#D(即,接收侧终端设备的一例)所述第一确认信息,该第一确认信息可以为肯定的确认信息ACK;
可选地,该第六条件还可以为未接收到否定确认信息NACK;
可选地,该第六条件还可以为在所述第六进程上发送第一物理侧行共享信道PSSCH。
S520,停止或不启动第六定时器,该第六定时器用于指示期望接收到重传资源的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
所述方法还包括,终端设备#C确定第六侧行数据传输失败,则启动或重启第六定时器。示例性地,确定第六侧行数据传输失败可以包括:接收到侧行链路否定反馈NACK,或者未接收到ACK或NACK。具体方法可参考上述实施例,不再赘述。
图21示出了本申请实施例提供的又一种无线通信的方法600的示意性流程图。如图21所示的方法600,可以应用于侧行链路混合自动重传过程中,该方法600可以由图1中的发送侧终端设备执行,例如由图1中的终端设备104执行,为便于描述以下使用终端设备#C(即发送侧终端设备的一例)表示。如图21所示的方法600,终端设备#C确定在第七进程满足第七条件时,通过确定第七进程为未占用状态,在第七进程在被分配用于传输第八侧行数据时,能够避免第七定时器继续在第七侧行数据对应的配置信息下运行而对第八侧行数据的定时产生影响。该方法600包括:
S610,终端设备#C确定第七进程满足第七条件,所述第七进程用于传输第七侧行数据,所述第七进程与第七定时器对应;
可选地,该第七条件可以为该第七定时器未运行,该第七定时器用于指示网络设备调度该第七进程的监听时间,或者指示期望接收到重传资源的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
示例性地,第七定时器未运行可以理解为第七定时器处于停止状态,例如终端设备#C可以在部分情况下停止正在运行的第四定时器。例如,当终端设备#C接收到针对相同的HARQ ID的新传调度,可选地,终端设备#C分配第七进程接收处理该新传资源,则终端设备#C停止四定时器;或者,终端设备#A确认第七侧行数据传输成功,停止第七定时器;或者,终端设备#C抢占该第七进程用于处理其他侧行链路资源,则终端设备停止第七定时器;或者,第七定时器超时,则第七定时器停止。
S620,确定该第七进程为未占用;
S630,通过该第七进程传输第八侧行数据,该第八侧行数据与该第七侧行数据对应传输信息不同。
上文结合图1至图21详细的描述了本申请实施例的方法实施例,下面结合图22至图24,详细描述本申请实施例的装置实施例。应理解,方法实施例的描述与装置实施例的描述相互对应,因此,未详细描述的部分可以参见前面方法实施例。
图22是本申请实施例提供的通信装置的示意图,图22的通信装置700可以是上文提及的终端设备,例如可以是图1所示的终端设备104、107、108的一个具体的例子。通信装置700可用于实现上文中的由终端设备执行的步骤,例如图9或图14的方法,还可以用于具体实现图10至图13所示的实施例。为避免冗余,不再重复描述。
图22所示的通信装置700包括确定单元710、停止单元720。
确定单元710,用于确定第一进程满足第一条件,所述第一进程用于传输第一侧行数据。
停止单元720,用于停止第一定时器,所述第一定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
其中,所述第一条件为所述第一进程未占用,或所述第一侧行数据解码成功,或发送所述第一侧行数据的反馈信息,或接收到肯定确定信息ACK,或发送肯定确定信息ACK,或未接收到否定确定信息NACK。
可选地,确定单元710还用于,确定所述第一进程满足第二条件,所述第二条件为通过所述第一进程接收第二侧行数据。
停止单元720具体用于,确定满足所述第一条件和所述第二条件,停止所述第一定时器。
可选地,该通信装置还包括启动单元,该启动单元用于根据所述第二侧行数据对应的配置信息启动或重启所述第一定时器。
可选地,该通信装置包括配置单元,该配置单元用于根据第一信令配置所述第二侧行数据的配置信息。
可选地,确定单元还用于,所述第一进程满足第三条件,确定所述第一进程未占用。
其中,所述第三条件为所述第一侧行数据解码成功;或所述第三条件为所述第一侧行数据解码失败,且在第二进程上接收所述第一侧行数据。
可选地,所述第一进程对应一个或多个第一定时器,所述第一定时器与所述第一进程关联,或所述第一定时器与所述第一进程和第一信息关联,所述第一信息包括以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性、HARQ进程ID、sidelink进程ID。
可选地,所述第一定时器为往返传输时间RTT定时器或重传定时器。
可选地,所述通信装置包括启动单元,该启动单元用于在停止所述第一定时器之前,启动所述第一定时器。
可选地,该启动单元具体用于,确定所述第一侧行数据传输失败,启动所述第一定时器。
可选地,确定所述第一侧行数据传输失败,包括:接收否定确认信息NACK;或者
向网络设备发送否定确定信息NACK;或者未接收到第一反馈信息。
图23是本申请实施例提供的通信装置的示意图,图23的通信装置800可以是上文提及的终端设备,例如可以是图1所示的终端设备104、107、108的一个具体的例子。通信装置800可用于实现上文中的由终端设备执行的步骤,例如图19的方法。为避免冗余,不再重复描述。
图23所示的通信装置800包括确定单元810。
确定单元810,用于确定第四进程满足第四条件,所述第四进程用于传输第四侧行数据。
确定单元810,还用于确定所述第四进程未占用。
其中,所述第四条件为所述第四侧行数据传输完成,且第四定时器未运行,所述第四定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
可选地,所述第四条件为所述第四侧行数据传输完成,包括:所述第四侧行数据解码成功;或者接收新传数据,所述新传数据与第四侧行数据对应于相同的传输信息,所述传输信息用于标识所述新传数据。
可选地,所述第四条件为所述第四侧行数据传输完成,包括:接收肯定确定信息ACK;或者发送肯定确定信息ACK;或者未接收到否定确定信息NACK。
可选地,所述第四定时器未运行,包括:所述第四定时器超时;或者所述第四定时器处于被停止状态。
图24是本申请实施例提供的终端设备900的结构示意图。该终端设备900可应用于如图1所示的系统中,执行上述方法实施例中终端设备的功能。如图所示,该终端设备900包括处理器920和收发器910。可选地,该终端设备900还包括存储器930。示例性的,处理器920、收发器910和存储器930之间可以通过内部连接通路互相通信,传递控制和/或数据信号,该存储器用于存储计算机程序,该处理器920用于执行该存储器930中的该计算机程序,以控制该收发器910收发信号。可选地,该终端设备900可以包括总线系统940,该收发器910、处理器920和存储器930之间可以通过总线系统940传递信息。
上述处理器920可以和存储器930可以合成一个处理装置,处理器920用于执行存储器中930存储的程序代码来实现上述功能。具体实现时,该存储器也可以集成在处理器920中,或者独立于处理器920。
收发器910可以包括接收器(或称接收机、接收电路)和发射器(或称发射机、发射电路)。示例性的,接收器用于接收信号,发射器用于发射信号。
应理解,图24所示的终端设备900能够实现图9、图14、图19、图20或图21所示方法实施例中涉及终端设备的各个过程。终端设备900中的各个模块的操作和/或功能,分别为了实现上述方法实施例中的相应流程。具体可参见上述方法实施例中的描述,为避免重复,此处适当省略详细描述。
上述处理器920可以用于执行前面方法实施例中描述的由终端设备内部实现的动作,而收发器910可以用于执行前面方法实施例中描述的终端设备向网络设备发送或从网络设备接收的动作。具体请见前面方法实施例中的描述,此处不再赘述。
可选地,上述终端设备900还可以包括电源,用于给终端设备中的各种器件或电路提 供电源。
除此之外,为了使得终端设备的功能更加完善,该终端设备900还可以包括输入单元、显示单元、音频电路、摄像头和传感器等中的一个或多个,所述音频电路还可以包括扬声器、麦克风等。
本申请实施例还提供了一种处理装置,包括处理器和存储器。该处理器用于读取存储器中存储的指令,并可通过接收器接收信号,通过发射器发射信号,以执行上述任一方法实施例中的方法。
应理解,上述处理装置可以是一个或多个芯片。例如,该处理装置可以是现场可编程门阵列(field programmable gate array,FPGA),可以是专用集成芯片(application specific integrated circuit,ASIC),还可以是系统芯片(system on chip,SoC),还可以是中央处理器(central processor unit,CPU),还可以是网络处理器(network processor,NP),还可以是数字信号处理电路(digital signal processor,DSP),还可以是微控制器(micro controller unit,MCU),还可以是可编程控制器(programmable logic device,PLD)或其他集成芯片。
在实现过程中,上述方法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。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处理器执行完成,或者用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。为避免重复,这里不再详细描述。
应注意,本申请实施例中的处理器可以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(DSP)、专用集成电路(ASIC)、现场可编程门阵列(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。示例性的,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。
根据本申请实施例提供的方法,本申请还提供一种计算机程序产品,该计算机程序产品包括:计算机程序代码,当该计算机程序代码由一个或多个处理器执行时,使得包括该处理器的装置执行图9、图14、图19、图20或图21所示实施例中的方法。
根据本申请实施例提供的方法,本申请还提供一种计算机可读存储介质,该计算机可读存储介质存储有程序代码,当该程序代码由一个或多个处理器运行时,使得包括该处理器的装置执行图9、图14、图19、图20或图21所示实施例中的方法。
根据本申请实施例提供的方法,本申请还提供一种系统,其包括前述的一个或多个终端设备。
上述各个装置实施例中网络设备与终端设备和方法实施例中的网络设备或终端设备完全对应,由相应的模块或单元执行相应的步骤,例如通信单元(收发器)执行方法实施例中接收或发送的步骤,除发送、接收外的其它步骤可以由处理单元(处理器)执行。具体单元的功能可以参考相应的方法实施例。示例性的,处理器可以为一个或多个。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,高密度数字视频光盘(digital video disc,DVD))、或者半导体介质(例如,固态硬盘(solid state disc,SSD))等。
上述各个装置实施例中网络设备与终端设备和方法实施例中的网络设备或终端设备完全对应,由相应的模块或单元执行相应的步骤,例如通信单元(收发器)执行方法实施例中接收或发送的步骤,除发送、接收外的其它步骤可以由处理单元(处理器)执行。具体单元的功能可以参考相应的方法实施例。其中,处理器可以为一个或多个。
在本说明书中使用的术语“部件”、“模块”、“系统”等用于表示计算机相关的实体、硬件、固件、硬件和软件的组合、软件、或执行中的软件。例如,部件可以是但不限于,在处理器上运行的进程、处理器、对象、可执行文件、执行线程、程序和/或计算机。通过图示,在计算设备上运行的应用和计算设备都可以是部件。一个或多个部件可驻留在进程和/或执行线程中,部件可位于一个计算机上和/或分布在2个或更多个计算机之间。此外,这些部件可从在上面存储有各种数据结构的各种计算机可读介质执行。部件可例如 根据具有一个或多个数据分组(例如来自与本地系统、分布式系统和/或网络间的另一部件交互的二个部件的数据,例如通过信号与其它系统交互的互联网)的信号通过本地和/或远程进程来通信。
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。
需要说明的是,本申请中的“后”、“时”不严格限制时间点。
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。
在上述实施例中,各功能单元的功能可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令(程序)。在计算机上加载和执行所述计算机程序指令(程序)时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,DVD)、或者半导体介质(例如固态硬盘(solid state disk,SSD))等。
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以所述权利要求的保护范围为准。

Claims (31)

  1. 一种无线通信的方法,其特征在于,所述方法包括:
    确定第一进程满足第一条件,所述第一进程用于传输第一侧行数据;
    停止第一定时器,所述第一定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长;
    其中,所述第一条件为所述第一进程未占用,或所述第一侧行数据解码成功,或发送所述第一侧行数据的反馈信息,或接收到肯定确定信息ACK,或发送肯定确定信息ACK,或未接收到否定确定信息NACK。
  2. 根据权利要求1所述的方法,其特征在于,所述方法还包括:
    确定所述第一进程满足第二条件,所述第二条件为通过所述第一进程接收第二侧行数据;
    所述停止第一定时器,包括:
    确定满足所述第一条件和所述第二条件,停止所述第一定时器。
  3. 根据权利要求2所述的方法,其特征在于,所述方法还包括:
    根据所述第二侧行数据对应的配置信息启动或重启所述第一定时器。
  4. 根据权利要3所述的方法,其特征在于,所述方法还包括:
    根据第一信令配置所述第二侧行数据的配置信息。
  5. 根据权利要求1至4中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一进程满足第三条件,确定所述第一进程未占用;
    其中,所述第三条件为所述第一侧行数据解码成功;或
    所述第三条件为所述第一侧行数据解码失败,且在第二进程上接收所述第一侧行数据。
  6. 根据权利要求1至5中任一项所述的方法,其特征在于,所述第一进程对应一个或多个第一定时器,所述第一定时器与所述第一进程关联,或所述第一定时器与所述第一进程和第一信息关联,所述第一信息包括以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性。
  7. 根据权利要求1至6中任一项所述的方法,其特征在于,所述第一定时器为往返传输时间RTT定时器或重传定时器。
  8. 根据权利要求1至7中任一项所述的方法,其特征在于,所述方法还包括,在停止所述第一定时器之前,启动所述第一定时器。
  9. 根据权利要求1至8中任一项所述的方法,其特征在于,所述启动所述第一定时器包括:
    确定所述第一侧行数据传输失败,
    启动所述第一定时器。
  10. 根据权利要求1至9中任一项所述的方法,其特征在于,确定所述第一侧行数据传输失败,所述方法包括:
    接收否定确认信息NACK;或者
    向网络设备发送否定确定信息NACK;或者
    未接收到第一反馈信息,所述第一反馈信息与所述第一侧行链路数据关联。
  11. 一种无线通信的方法,其特征在于,所述方法包括:
    确定第四进程满足第四条件,所述第四进程用于传输第四侧行数据;
    确定所述第四进程未占用;
    其中,所述第四条件为所述第四侧行数据传输完成,且第四定时器未运行,所述第四定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
  12. 根据权利要求11所述的方法,其特征在于,所述第四条件为所述第四侧行数据传输完成,所述方法包括:
    所述第四侧行数据解码成功;或者
    接收新传数据,所述新传数据与第四侧行数据对应于相同的传输信息,所述传输信息用于标识所述新传数据。
  13. 根据权利要求12所述的方法,其特征在于,所述第四条件为所述第四侧行数据传输完成,所述方法还包括:
    接收肯定确定信息ACK;或者
    发送肯定确定信息ACK;或者
    未接收到否定确定信息NACK。
  14. 根据权利要求11至13中任一项所述的方法,其特征在于,所述第四定时器未运行,所述方法包括:
    所述第四定时器超时;或者
    所述第四定时器处于被停止状态。
  15. 一种通信装置,其特征在于,包括:收发单元和处理单元,
    所述处理单元,用于确定第一进程满足第一条件,所述第一进程用于传输第一侧行数据;
    所述处理单元,还用于停止第一定时器,所述第一定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长;
    其中,所述第一条件为所述第一进程未占用,或所述第一侧行数据解码成功,或发送所述第一侧行数据的反馈信息,或接收到肯定确定信息ACK,或发送肯定确定信息ACK,或未接收到否定确定信息NACK。
  16. 根据权利要求15所述的装置,其特征在于,所述装置还包括:
    所述处理单元,还用于确定所述第一进程满足第二条件,所述第二条件为通过所述第一进程接收第二侧行数据;
    所述处理单元,还用于停止第一定时器,包括:
    所述处理单元,还用于确定满足所述第一条件和所述第二条件时停止所述第一定时器。
  17. 根据权利要求16所述的装置,其特征在于,所述装置还包括:
    所述处理单元,还用于根据所述第二侧行数据对应的配置信息启动或重启所述第一定时器。
  18. 根据权利要17所述的装置,其特征在于,所述装置还包括:
    所述处理单元,还用于根据第一信令配置所述第二侧行数据的配置信息。
  19. 根据权利要求15至18中任一项所述的装置,其特征在于,所述装置还包括:
    所述处理单元,还用于在所述第一进程满足第三条件时,确定所述第一进程未占用;
    其中,所述第三条件为所述第一侧行数据解码成功;或
    所述第三条件为所述第一侧行数据解码失败,且所述收发单元在第二进程上接收所述第一侧行数据。
  20. 根据权利要求15至19中任一项所述的装置,其特征在于,所述第一进程对应一个或多个第一定时器,所述第一定时器与所述第一进程关联,或所述第一定时器与所述第一进程和第一信息关联,所述第一信息包括以下至少一种:源标识、目标标识、通信类型、混合自动重传响应HARQ属性。
  21. 根据权利要求15至20中任一项所述的装置,其特征在于,所述第一定时器为往返传输时间RTT定时器或重传定时器。
  22. 根据权利要求15至21中任一项所述的装置,其特征在于,所述装置还包括,在停止所述第一定时器之前,所述处理单元,还用于启动所述第一定时器。
  23. 根据权利要求15至22中任一项所述的装置,其特征在于,所述启动所述第一定时器包括:
    所述处理单元确定所述第一侧行数据传输失败,
    所述处理单元启动所述第一定时器。
  24. 根据权利要求15至23中任一项所述的装置,其特征在于,所述处理单元确定所述第一侧行数据传输失败,包括:
    所述处理单元确定接收到否定确认信息NACK;或者
    所述处理单元确定向网络设备发送否定确定信息NACK;或者
    所述处理单元确定未接收到第一反馈信息,所述第一反馈信息与所述第一侧行链路数据关联。
  25. 一种无线通信的装置,其特征在于,所述装置包括:处理单元和收发单元,
    所述处理单元,用于确定第四进程满足第四条件,所述第四进程用于传输第四侧行数据;
    所述处理单元,还用于确定所述第四进程未占用;
    其中,所述第四条件为所述处理单元确定所述第四侧行数据传输完成,且第四定时器未运行,所述第四定时器用于指示期望接收到重传的最小时长,或者所述第一定时器用于指示保持唤醒的时长。
  26. 根据权利要求25所述的装置,其特征在于,所述第四条件为所述处理单元确定所述第四侧行数据传输完成,包括:
    所述处理单元确定所述第四侧行数据解码成功;或者
    所述处理单元确定接收到新传数据,所述新传数据与第四侧行数据对应于相同的传输信息,所述传输信息用于标识所述新传数据。
  27. 根据权利要求26所述的装置,其特征在于,所述第四条件为所述处理单元确定第四侧行数据传输完成,包括:
    所述处理单元确定接收到肯定确定信息ACK;或者
    所述处理单元确定发送肯定确定信息ACK;或者
    所述处理单元确定未接收到否定确定信息NACK。
  28. 根据权利要求25至27中任一项所述的装置,其特征在于,所述第四定时器未运行,所述装置包括:
    所述第四定时器超时;或者
    所述第四定时器处于被停止状态。
  29. 一种通信装置,其特征在于,包括与存储器耦合至少一个处理器,所述存储器用于存储程序或指令;
    所述至少一个处理器用于执行所述程序或指令,以使所述装置实现如权利要求1至10中任一项所述的方法,或者,实现如权利要求11至14中任一项所述的方法。
  30. 一种计算机可读存储介质,其特征在于,包括计算机程序,当所述计算机程序在计算机上运行时,使得所述计算机执行如权利要求1至14中任一项所述的方法。
  31. 一种通信系统,其特征在于,包括如权利要求29所述的装置。
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