WO2024000180A1 - 一种指示方法、装置、设备及存储介质 - Google Patents

一种指示方法、装置、设备及存储介质 Download PDF

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Publication number
WO2024000180A1
WO2024000180A1 PCT/CN2022/101992 CN2022101992W WO2024000180A1 WO 2024000180 A1 WO2024000180 A1 WO 2024000180A1 CN 2022101992 W CN2022101992 W CN 2022101992W WO 2024000180 A1 WO2024000180 A1 WO 2024000180A1
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WIPO (PCT)
Prior art keywords
sending
indication information
transmission resource
lbt
resource
Prior art date
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PCT/CN2022/101992
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English (en)
French (fr)
Inventor
杨星
Original Assignee
北京小米移动软件有限公司
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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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202280002089.8A priority Critical patent/CN115336220A/zh
Priority to PCT/CN2022/101992 priority patent/WO2024000180A1/zh
Publication of WO2024000180A1 publication Critical patent/WO2024000180A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • 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
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to an indication method, device, equipment and storage medium.
  • the sidelink (Sidelink, SL) is introduced to realize direct communication between the user equipment (User Equipment, UE) and the UE.
  • the resources used in the SL can be scheduled to the UE by the network equipment, and , after the sending UE receives the SL sending resources scheduled by the network device, it can use the scheduled SL sending resources to send data to the receiving UE.
  • LBT Listen-Before-Talk
  • the sending UE fails to perform LBT on the SL sending resources on the unlicensed spectrum, the sending UE will be unable to use the SL sending resources.
  • the network device cannot know whether the sending UE successfully used the SL. sending resources, the network device may not continue to schedule SL sending resources for the sending UE, resulting in communication failure.
  • the instruction method, device, equipment and storage medium proposed in this disclosure are to solve the technical problem that the methods in the related art can easily lead to communication failure.
  • an indication method which is executed by a sending UE, including:
  • an indication method is provided.
  • the sending UE can send indication information to a network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know the sending UE based on the indication message. Whether the SL transmission resources are used successfully, so that when the network device knows that the sending UE has not successfully used the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • performing LBT on the SL transmission resource includes:
  • sending instruction information to the network device based on the LBT execution result includes:
  • the sending UE executes any one or more of the following:
  • the sending UE ignores SL sending resources
  • sending instruction information to the network device based on the LBT execution result includes:
  • the sending UE executes any one or more of the following:
  • the method further includes:
  • the method of sending the first indication information corresponding to the SL transmission resource to the network device includes at least one of the following:
  • the first indication information is sent to the network device through the PUCCH corresponding to the SL transmission resource whose LBT execution failed, and the first indication information indicates: the LBT execution result of the SL transmission resource corresponding to the PUCCH that transmitted the first indication information. for: failure;
  • the network device sends first indication information to the network device through specific signaling, where the first indication information includes the HARQ process ID corresponding to the SL transmission resource that failed to execute LBT;
  • First indication information is sent to the network device through specific signaling.
  • the first indication information includes a bitmap, where each bit in the bitmap corresponds to a HARQ process ID. By making different bits Carrying a specific bit value to indicate that the SL transmission resource corresponding to the HARQ process ID corresponding to the bit has not been successfully used;
  • the first indication information is sent by sending HARQ feedback on the PUCCH corresponding to the SL sending resource that failed to perform LBT.
  • the method of sending the first indication information by sending HARQ feedback through the PUCCH corresponding to the SL sending resource that failed to perform LBT includes any of the following:
  • Send the first indication information by sending unacknowledged NACK feedback on the PUCCH corresponding to the SL transmission resource that failed to perform LBT;
  • NACK feedback is sent through the PUCCH to send the first indication information.
  • the second indication information includes at least one of the following:
  • the third indication information indicates that the LBT execution result of the SL transmission resource is: success.
  • the method of sending the second indication information corresponding to the SL transmission resource to the network device includes at least one of the following:
  • the specific signaling includes at least one of the following:
  • embodiments of the present disclosure provide an instruction method, which is executed by a network device and includes:
  • Receive indication information sent by the sending UE where the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • receiving the indication information sent by the sending UE includes:
  • receiving the indication information sent by the sending UE includes:
  • the method further includes:
  • the method of receiving and sending the first indication information corresponding to the SL transmission resource sent by the UE includes at least one of the following:
  • the LBT execution result is: failure;
  • the first indication information includes the HARQ process ID corresponding to the SL sending resource that failed to perform LBT;
  • the first indication information is received by receiving HARQ feedback sent by the PUCCH corresponding to the SL transmission resource in which the sending UE fails to perform LBT.
  • the method for receiving the first indication information by receiving the HARQ feedback sent by the sending UE using the PUCCH corresponding to the SL sending resource that failed to perform LBT includes any of the following: :
  • the NACK feedback of the PUCCH repeated transmission corresponding to the SL transmission resource for which the sending UE fails to perform LBT is determined as the first indication information.
  • the second indication information includes at least one of the following:
  • the third indication information indicates that the LBT execution result of the SL transmission resource is: success.
  • a method for receiving the second indication information corresponding to the SL transmission resource sent by the sending UE includes at least one of the following:
  • the specific signaling includes at least one of the following:
  • an indication device which is configured in a sending UE and includes:
  • a transceiver module configured to receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device;
  • a processing module configured to perform LBT on the SL sending resources
  • the transceiver module is further configured to send indication information to the network device based on the LBT execution result, where the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • an indication device which is configured in a network device and includes:
  • a transceiver module configured to send at least one SL transmission resource for the sidelink SL on the unlicensed spectrum to the sending UE;
  • the transceiving module is also configured to receive indication information sent by the sending UE based on the LBT execution result, where the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor.
  • the processor calls a computer program in a memory, it executes the method described in the second aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the communication device includes a processor and a memory, and a computer program is stored in the memory; the processor executes the computer program stored in the memory, so that the communication device executes The method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device performs the method described in the first aspect.
  • an embodiment of the present disclosure provides a communication device.
  • the device includes a processor and an interface circuit.
  • the interface circuit is used to receive code instructions and transmit them to the processor.
  • the processor is used to run the code instructions to cause the The device performs the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication system, which includes the communication device described in the third aspect to the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect to The communication device according to the sixth aspect, or the system includes the communication device according to the seventh aspect to the communication device according to the eighth aspect, or the system includes the communication device according to the ninth aspect to the tenth aspect. the above-mentioned communication device.
  • embodiments of the present invention provide a computer-readable storage medium for storing instructions used by the above-mentioned network equipment and/or terminal equipment.
  • the terminal equipment is caused to execute the above-mentioned first The method in one aspect, and/or, causing the network device to execute the method in the second aspect.
  • the present disclosure also provides a computer program product including a computer program, which, when run on a computer, causes the computer to execute the method described in any one of the above first to second aspects.
  • the present disclosure provides a chip system, which includes at least one processor and an interface for supporting a terminal device to implement the functions involved in the method of the first aspect, and/or for supporting
  • the network device implements the functions involved in the method of the second aspect, for example, determining or processing at least one of the data and information involved in the above method.
  • the chip system further includes a memory, and the memory is used to store necessary computer programs and data of the source secondary node.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the present disclosure provides a computer program that, when run on a computer, causes the computer to perform the method described in any one of the above first to second aspects.
  • Figure 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure
  • Figure 2 is a schematic flowchart of an information determination method provided by an embodiment of the present disclosure
  • Figure 3a is a schematic flowchart of an information determination method provided by another embodiment of the present disclosure.
  • Figure 3b is a schematic flowchart of an information determination method provided by yet another embodiment of the present disclosure.
  • Figure 4a is a schematic flowchart of an information determination method provided by yet another embodiment of the present disclosure.
  • Figure 4b is a schematic flowchart of an information determination method provided by yet another embodiment of the present disclosure.
  • Figure 5 is a schematic flowchart of an information determination method provided by yet another embodiment of the present disclosure.
  • Figure 6 is a schematic flowchart of an information determination method provided by yet another embodiment of the present disclosure.
  • Figure 7 is a schematic flowchart of an information determination method provided by yet another embodiment of the present disclosure.
  • Figure 8 is a schematic structural diagram of a system information configuration device provided by an embodiment of the present disclosure.
  • Figure 9 is a schematic structural diagram of a system information configuration device provided by another embodiment of the present disclosure.
  • Figure 10 is a block diagram of a terminal device provided by an embodiment of the present disclosure.
  • Figure 11 is a block diagram of a network side device provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • Sidelink communication is divided into two modes, one is called discovery between UEs (dicovery), and the other is called communication between UEs.
  • Sidelink uses uplink resources and uplink physical channels similar to cellular networks (LTE) for data interactive transmission.
  • LTE cellular networks
  • LBT is a technology widely used in radio communications. Before starting transmission, the radio transmitter will first listen to its radio environment and detect whether the channel is idle. If the channel is busy, it will wait until the channel is idle before transmitting to avoid channel access conflicts. , to achieve channel spectrum sharing.
  • HARQ uses stop-and-wait protocol to send data.
  • stop-and-wait protocol after each transmission block is sent by the sender, it will stop and wait for confirmation information (ACK/NACK).
  • the receiver If the receiver successfully receives the data, it will reply to the sender with an ACK. Usually the ACK has its own fixed format and length, and the receiver replies to the sender. If the receiver does not receive the data, it will reply a NACK to the sender.
  • PUCCH Physical Uplink Control Channel
  • PUCCH carries different uplink control information (UCI) types, such as HARQ feedback, scheduling requests, channel state information (CSI) feedback (including possible beam-related information) and their combinations.
  • UCI uplink control information
  • HARQ feedback scheduling requests
  • CSI feedback channel state information
  • UCI includes channel state information supporting ACK/NACK for HARQ transmission of PDSCH and link adaptation/multi-antenna precoding/spatial multiplexing dimensions.
  • RRC signaling can provide parameter configuration functions for the underlying protocol entities of the access network; it is responsible for measurement, control and other functions related to mobility management of terminal equipment.
  • MAC CE is a way for terminal equipment and network equipment to exchange control information, and what is exchanged is control information about the MAC layer.
  • FIG. 1 is a schematic architectural diagram of a communication system provided by an embodiment of the present disclosure.
  • the communication system may include but is not limited to one network device and one terminal device.
  • the number and form of devices shown in Figure 1 are only for examples and do not constitute a limitation on the embodiments of the present disclosure. In actual applications, two or more devices may be included. Network equipment, two or more terminal devices.
  • the communication system shown in Figure 1 includes a network device 11 and a terminal device 12 as an example.
  • LTE long term evolution
  • 5th generation fifth generation
  • 5G new radio (NR) system 5th generation new radio
  • the network device 11 in the embodiment of the present disclosure is an entity on the network side that is used to transmit or receive signals.
  • the network device 11 may be an evolved base station (evolved NodeB, eNB), a transmission reception point (TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or other base stations in future mobile communication systems. Base stations or access nodes in wireless fidelity (WiFi) systems, etc.
  • the embodiments of the present disclosure do not limit the specific technologies and specific equipment forms used by network equipment.
  • the network equipment provided by the embodiments of the present disclosure may be composed of a centralized unit (CU) and a distributed unit (DU).
  • the CU may also be called a control unit (control unit).
  • CU-DU is used.
  • the structure can separate the protocol layers of network equipment, such as base stations, and place some protocol layer functions under centralized control on the CU. The remaining part or all protocol layer functions are distributed in the DU, and the CU centrally controls the
  • the terminal device 12 in the embodiment of the present disclosure is an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • Terminal equipment can also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal equipment (mobile terminal, MT), etc.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone, a wearable device, a tablet computer (Pad), a computer with wireless transceiver functions, a virtual reality (VR) terminal device, an augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
  • the embodiments of the present disclosure do not limit the specific technology and specific equipment form used by the terminal equipment.
  • Figure 2 is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, which is applied to a sending UE. As shown in Figure 2, the indication method may include the following steps:
  • Step 201 Receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device.
  • the sending UE is specifically a UE serving as the sender in the SL link.
  • the above-mentioned SL sending resources may be resources scheduled by the network device to the sending UE for the sending UE to send data through the SL.
  • At least one SL transmission resource for SL transmission on the unlicensed spectrum may be dynamically scheduled by the network device according to cached data reported by the sending UE.
  • the sending UE may receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device through downlink control information (DCI) signaling. Further, in one embodiment of the present disclosure, when the sending UE receives at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, it can also synchronously receive the SL transmission resource corresponding to the SL transmission resource sent by the network device.
  • Hybrid automatic repeat request process ID (HARQ process ID) and/or PUCCH corresponding to the SL sending resource HARQ process ID
  • the HARQ process ID corresponding to the SL transmission resource and the PUCCH corresponding to the SL transmission resource can be included in the DCI signaling together with the SL transmission resource and sent to the sending UE.
  • the above-mentioned SL transmission resource may be the time-frequency position of the SL transmission resource
  • the above-mentioned PUCCH corresponding to the SL transmission resource may be the time-frequency position of the PUCCH corresponding to the SL transmission resource.
  • the sending UE when it receives the HARQ process ID corresponding to the SL transmission resource sent by the network device, it can bind the HARQ process ID of the SL link to the HARQ process ID carried in the DCI, that is, in the DCI
  • the HARQ process corresponding to the HARQ process ID corresponding to the carried SL sending resource is used for SL HARQ feedback.
  • Step 202 Perform LBT on the SL transmission resource.
  • the sending UE since the network device schedules SL transmission resources on the unlicensed frequency band to the terminal device, in order to avoid interference and take into account fairness between different UEs, the sending UE needs to first Perform LBT on the SL transmission resource to determine whether the SL transmission resource can be successfully used by the sending UE.
  • the method of performing LBT on SL transmission resources may include:
  • COT channel occupancy time
  • the channel occupancy time can be understood as: the transmission time when the UE uses the SL channel to send data;
  • the length of the channel occupancy time may be agreed in advance based on a protocol, or may be configured by the network device, or may be independently determined by the sending UE.
  • Step 203 Send indication information to the network device based on the LBT execution result.
  • the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the terminal device based on different execution results of LBT, the terminal device will send different instruction information to the network device, and the contents indicated by the different instruction information are also different. The details of this part will be described in subsequent embodiments.
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 3a is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, which is applied to a sending UE. As shown in Figure 3a, the indication method may include the following steps:
  • Step 301a Receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device.
  • Step 302a Perform LBT on the SL transmission resource.
  • steps 301a-302a please refer to the description of the above embodiment.
  • Step 303a In response to the LBT execution result corresponding to the SL transmission resource being: failure, the sending UE ignores the SL transmission resource.
  • the LBT execution result corresponding to the SL transmission resource is: failure
  • the time that can be used for the sending UE to send data that is, the sending UE cannot use the SL sending resources to send data to the receiving UE. At this time, the sending UE can ignore the SL sending resources and not perform SL sending.
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 3b is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, which is applied to a sending UE. As shown in Figure 3b, the indication method may include the following steps:
  • Step 301b Receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device.
  • Step 302b Perform LBT on the SL transmission resource.
  • steps 301b-302b please refer to the description of the above embodiment.
  • Step 303b In response to the LBT execution result corresponding to the SL transmission resource being: failure, send the first indication information corresponding to the SL transmission resource to the network device to indicate that the sending UE failed to use the SL transmission resource.
  • the LBT execution result corresponding to the SL transmission resource is: failure
  • the time that can be used for the sending UE to send data that is, the sending UE cannot use the SL sending resources to perform SL sending.
  • the sending UE can send the first indication information to the network device to notify the network device that the sending UE The SL transmission resources are not successfully used, so that the network device can reschedule other SL transmission resources to the sending UE to ensure successful communication.
  • the method of sending the first indication information corresponding to the SL transmission resource to the network device may include at least one of the following:
  • Method 1 Send the first indication information to the network device through the PUCCH corresponding to the SL transmission resource.
  • the first indication information is used to indicate that the LBT execution result of the SL transmission resource corresponding to the PUCCH that transmits the first indication information is: failure.
  • the network device after receiving the first indication information, the network device will first determine the SL transmission resource corresponding to the PUCCH that transmits the first indication information, and then, based on the first indication The information can determine that the LBT execution of the SL transmission resource failed, and then it is considered that the SL transmission resource has not been successfully used by the sending UE, and other SL sending resources can be rescheduled to the sending UE.
  • Method 2 Send first indication information to the network device through specific signaling.
  • the first indication information includes the HARQ process ID corresponding to the SL transmission resource that failed to execute LBT.
  • the network device when the network device receives the first indication information, it can be determined that the LBT execution of the SL transmission resource corresponding to the HARQ process ID included in the first indication information has failed, and then If it is considered that the SL transmission resource has not been successfully used by the sending UE, other SL transmission resources can be rescheduled to the sending UE.
  • the specific signaling may include at least one of the following:
  • Method 3 Send the first indication information to the network device through specific signaling.
  • the first indication information includes a bitmap, where each bit in the bitmap corresponds to a HARQ process ID, and different bits carry specific bits. The value indicates that the SL transmission resource corresponding to the HARQ process ID corresponding to the bit has not been successfully used.
  • the number of bits included in the bitmap may be the same as the total number of SLs of the sending UE, or the number of bits included in the bitmap may be less than the total number of SLs of the sending UE. SL number.
  • a sending UE may communicate with different receiving UEs through different SLs. Based on this, by making the first indication information include a bitmap, and making each bit in the bitmap correspond to a HARQ process ID, where the HARQ process ID is the HARQ process ID corresponding to the SL of the sending UE, by This can result in a corresponding relationship between each bit in the bitmap and different SLs of the sending UE. On this basis, a specific bit value is determined, and when a certain bit carries the specific bit value, it means that the SL transmission resource corresponding to the HARQ process ID corresponding to the bit has not been successfully used.
  • the sending UE only needs to send the first indication information to the network device once to indicate to the network device whether the SL sending resources of the multiple SLs scheduled to the sending UE are successfully used, without executing the failed SL for each LBT.
  • the first indication information once for all sending resources, resources can be saved.
  • the specific bit value may be agreed based on a protocol, or may be configured by a network device.
  • the specific bit value may be 0 or 1, for example.
  • the sending UE includes four SL links, such as SL link-1, SL link-2, SL link-3, and SL link-4, where , the SL link-1 corresponds to HARQ process ID-1, SL link-2 corresponds to HARQ process ID-2, SL link-3 corresponds to HARQ process ID-3, SL link-4 corresponds to HARQ process ID-4, And, the network device schedules SL sending resource-1 for SL link-1, schedules SL sending resource-2 for SL link-2, schedules SL sending resource-3 for SL link-3, and schedules SL sending resource-3 for SL link-2. -4 schedules SL transmission resource -4.
  • SL link-1 corresponds to HARQ process ID-1
  • SL link-2 corresponds to HARQ process ID-2
  • SL link-3 corresponds to HARQ process ID-3
  • SL link-4 corresponds to HARQ process ID-4
  • the network device schedules SL sending resource-1 for SL link-1, schedules SL sending resource-2 for SL link-2, schedule
  • the number of bits in the bitmap can be 4, and the number of bits in each bit can correspond to the HARQ process ID.
  • the first bit corresponds to HARQ process ID-1
  • the second bit corresponds to HARQ process ID-2
  • the third bit corresponds to HARQ process ID-3
  • the fourth bit corresponds to HARQ process ID-4.
  • Method 4 Send the first indication information by sending HARQ feedback through the PUCCH corresponding to the SL transmission resource that failed to perform LBT.
  • the method of sending HARQ feedback to send the first indication information through the PUCCH corresponding to the SL sending resource that failed to perform LBT includes any of the following:
  • the first indication information is sent by sending NACK feedback on the PUCCH corresponding to the SL transmission resource that failed to execute LBT. Based on this, when the network device receives the NACK feedback of a certain PUCCH transmission, it will first determine the PUCCH corresponding to the NACK. SL transmission resources, and further determine that the SL transmission resources have not been successfully used, and then reschedule new SL transmission resources to the sending UE to ensure successful communication.
  • the first indication information is sent by sending ACK feedback through the PUCCH. Based on this, when the network device receives the ACK feedback for the initial transmission of a certain PUCCH, it will first The SL transmission resource corresponding to the PUCCH for sending the ACK is determined, and it is further determined that the SL transmission resource has not been successfully used, and then new SL transmission resources are rescheduled to the sending UE to ensure successful communication.
  • NACK feedback is sent through the PUCCH to send the first indication information. Based on this, when the network device receives NACK feedback for repeated transmission of a certain PUCCH, it will first The SL transmission resource corresponding to the PUCCH for sending the ACK is determined, and it is further determined that the SL transmission resource has not been successfully used, and then new SL transmission resources are rescheduled to the sending UE to ensure successful communication.
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 4a is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, which is applied to a sending UE. As shown in Figure 4a, the indication method may include the following steps:
  • Step 401a Receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device.
  • Step 402a Perform LBT on the SL transmission resource.
  • steps 401a-402a please refer to the description of the above embodiment.
  • Step 403a In response to the LBT execution result corresponding to the SL transmission resource being: successful, use the SL transmission resource to send data to the receiving UE.
  • the LBT execution result corresponding to the SL transmission resource when the LBT execution result corresponding to the SL transmission resource is: successful, it means that the SL channel corresponding to the SL transmission resource has a channel occupancy time, and it further means that the SL channel has a channel occupancy time that can be used for The time when the sending UE sends data, that is, the sending UE can use the SL sending resources to perform SL sending. At this time, the sending UE can use the SL sending resources to send data to the receiving UE.
  • the sending UE after the sending UE determines its own channel occupancy time, it can also share the channel occupancy time with other UEs for SL transmission.
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 4b is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, which is applied to a sending UE. As shown in Figure 4b, the indication method may include the following steps:
  • Step 401b Receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device.
  • Step 402b Perform LBT on the SL transmission resource.
  • steps 401b-402b please refer to the description of the above embodiment.
  • Step 403b In response to the LBT execution result corresponding to the SL transmission resource being: successful, send the second indication information corresponding to the SL transmission resource to the network device to indicate that the sending UE successfully uses the SL transmission resource.
  • the LBT execution result corresponding to the SL transmission resource when the LBT execution result corresponding to the SL transmission resource is: successful, it means that the SL channel corresponding to the SL transmission resource has a channel occupancy time, and it further means that the SL channel has available At the time when the sending UE sends data, that is, the sending UE can use the SL sending resource to send data to the receiving UE. At this time, the sending UE can send second indication information to the network device to indicate that the sending UE is successful. SL is used to send resources.
  • the second indication information may include at least one of the following:
  • the third indication information indicates that the LBT execution result of the SL transmission resource is: success.
  • the method of sending the second indication information corresponding to the SL transmission resource to the network device includes at least one of the following:
  • the specific signaling includes at least one of the following:
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 5 is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, applied to network equipment. As shown in Figure 5, the indication method may include the following steps:
  • Step 501 Send at least one SL transmission resource for SL on the unlicensed spectrum to the sending UE.
  • the above-mentioned SL sending resources may be resources scheduled by the network device to the sending UE for the sending UE to send data through SL.
  • At least one SL transmission resource for SL transmission on the unlicensed spectrum may be dynamically scheduled based on buffered data reported by the sending UE.
  • the network device may schedule at least one SL transmission resource on the unlicensed spectrum for SL transmission to the sending UE through DCI signaling.
  • the SL transmission resource corresponding to the HARQ process ID and/or may also be synchronously sent to the sending UE.
  • the SL sends the PUCCH corresponding to the resource.
  • the HARQ process ID corresponding to the SL transmission resource and the PUCCH corresponding to the SL transmission resource can be included in the DCI signaling together with the SL transmission resource and sent to the sending UE.
  • the above-mentioned SL transmission resource may be the time-frequency position of the SL transmission resource
  • the above-mentioned PUCCH corresponding to the SL transmission resource may be the time-frequency position of the PUCCH corresponding to the SL transmission resource.
  • Step 502 Receive the indication information sent by the sending UE, where the indication information is used to indicate whether the sending UE successfully uses the SL sending resources.
  • steps 501-502 please refer to the description of the above embodiment.
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 6 is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, applied to network equipment. As shown in Figure 6, the indication method may include the following steps:
  • Step 601 Send at least one SL transmission resource for SL on the unlicensed spectrum to the sending UE.
  • Step 602 Receive the first indication information sent by the sending UE.
  • the first indication information is used to indicate that the sending UE has failed to use the SL sending resource corresponding to the first indication information.
  • the method for receiving the first indication information corresponding to the SL transmission resource sent by the sending UE includes at least one of the following:
  • Method 1 Receive the first indication information sent by the sending UE through the PUCCH corresponding to the SL transmission resource that failed to perform LBT, wherein the first indication information indicates: the LBT execution result of the SL transmission resource corresponding to the PUCCH that transmitted the first indication information. for: failure;
  • Method 2 Receive the first indication information sent by the sending UE through specific signaling.
  • the first indication information includes the HARQ process ID corresponding to the SL transmission resource that failed to execute LBT;
  • Method 3 Receive and send the first indication information sent by the UE through specific signaling.
  • the first indication information includes a bitmap, where each bit in the bitmap corresponds to a HARQ process ID, where the bitmap carries The bit with a specific bit value is used to indicate that the SL transmission resource corresponding to the corresponding HARQ process ID has not been successfully used;
  • Method 4 Receive the first indication information by receiving HARQ feedback sent by the PUCCH corresponding to the SL sending resource in which the UE failed to perform LBT.
  • the method of receiving the first indication information by receiving the HARQ feedback sent by the PUCCH corresponding to the SL transmission resource for which the sending UE failed to perform LBT includes any of the following:
  • the NACK feedback of the PUCCH repeated transmission corresponding to the SL transmission resource for which the UE failed to perform LBT is determined as the first indication signal.
  • steps 601-602 please refer to the description of the above embodiment.
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 7 is a schematic flowchart of an indication method provided by an embodiment of the present disclosure, applied to network equipment. As shown in Figure 7, the indication method may include the following steps:
  • Step 701 Send at least one SL transmission resource for SL on the unlicensed spectrum to the sending UE.
  • Step 702 Receive the second indication information sent by the sending UE.
  • the second indication information is used to indicate that the sending UE successfully uses the SL sending resource corresponding to the second indication information.
  • the second indication information may include at least one of the following:
  • the third indication information indicates that the LBT execution result of the SL sending resource is: success.
  • a method for receiving the second indication information corresponding to the SL transmission resource sent by the sending UE includes at least one of the following:
  • steps 701-702 please refer to the description of the above embodiment.
  • the sending UE may first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • Figure 8 is a schematic structural diagram of a pointing device provided by an embodiment of the present disclosure. As shown in Figure 8, the device may include:
  • a transceiver module configured to receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device;
  • a processing module configured to perform LBT on the SL sending resources
  • the transceiving module is also configured to send indication information to the network device based on the LBT execution result, where the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • the processing module is also used to:
  • the transceiver module is also used to:
  • the sending UE executes any one or more of the following:
  • the sending UE ignores SL sending resources
  • the transceiver module is also used to:
  • the sending UE executes any one or more of the following:
  • the device is also used for:
  • the transceiver module is also used to:
  • the first indication information is sent to the network device through the PUCCH corresponding to the SL transmission resource whose LBT execution failed, and the first indication information indicates: the LBT execution result of the SL transmission resource corresponding to the PUCCH that transmitted the first indication information. for: failure;
  • the network device sends first indication information to the network device through specific signaling, where the first indication information includes the HARQ process ID corresponding to the SL transmission resource that failed to execute LBT;
  • First indication information is sent to the network device through specific signaling.
  • the first indication information includes a bitmap, where each bit in the bitmap corresponds to a HARQ process ID. By making different bits Carrying a specific bit value to indicate that the SL transmission resource corresponding to the HARQ process ID corresponding to the bit has not been successfully used;
  • the first indication information is sent by sending HARQ feedback on the PUCCH corresponding to the SL sending resource that failed to perform LBT.
  • the transceiver module is also used to:
  • Send the first indication information by sending unacknowledged NACK feedback on the PUCCH corresponding to the SL transmission resource that failed to perform LBT;
  • NACK feedback is sent through the PUCCH to send the first indication information.
  • the second indication information includes at least one of the following:
  • the third indication information indicates that the LBT execution result of the SL transmission resource is: success.
  • the transceiver module is also used to:
  • the specific signaling includes at least one of the following:
  • Figure 9 is a schematic structural diagram of a pointing device provided by an embodiment of the present disclosure. As shown in Figure 9, the device may include:
  • a transceiver module configured to send at least one SL transmission resource for the sidelink SL on the unlicensed spectrum to the sending UE;
  • the transceiving module is also configured to receive indication information sent by the sending UE, where the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can first receive at least one SL transmission resource for SL transmission on the unlicensed spectrum scheduled by the network device, and then perform LBT on the SL transmission resource, Indication information is sent to the network device based on the LBT execution result, and the indication information is used to indicate whether the sending UE successfully uses the SL sending resource.
  • the sending UE can send indication information to the network device to indicate whether the sending UE successfully uses the SL sending resources scheduled by the network device, so that the network device can know whether the sending UE is successful based on the indication message.
  • SL transmission resources are used so that when the network device knows that the sending UE has failed to use the SL transmission resources, it can schedule retransmission resources for the sending UE in time to avoid communication failure.
  • the transceiver module is also used to:
  • the transceiver module is also used to:
  • the device is also used for:
  • the transceiver module is also used to:
  • the LBT execution result is: failure;
  • the first indication information includes the HARQ process ID corresponding to the SL sending resource that failed to perform LBT;
  • the first indication information is received by receiving HARQ feedback sent by the PUCCH corresponding to the SL transmission resource in which the sending UE fails to perform LBT.
  • the transceiver module is also used to:
  • the NACK feedback of the PUCCH repeated transmission corresponding to the SL transmission resource for which the sending UE fails to perform LBT is determined as the first indication information.
  • the second indication information includes at least one of the following:
  • the third indication information indicates that the LBT execution result of the SL transmission resource is: success.
  • the transceiver module is also used to:
  • the specific signaling includes at least one of the following:
  • FIG. 10 is a schematic structural diagram of a communication device 1000 provided by an embodiment of the present application.
  • the communication device 1000 may be a network device, a terminal device, a chip, a chip system, or a processor that supports a network device to implement the above method, or a chip, a chip system, or a processor that supports a terminal device to implement the above method. Processor etc.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • Communication device 1000 may include one or more processors 1001.
  • the processor 1001 may be a general-purpose processor or a special-purpose processor, or the like.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processor can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.) and execute computer programs. , processing data for computer programs.
  • the communication device 1000 may also include one or more memories 1002, on which a computer program 1004 may be stored.
  • the processor 1001 executes the computer program 1004, so that the communication device 1000 performs the steps described in the above method embodiments. method.
  • the memory 1002 may also store data.
  • the communication device 1000 and the memory 1002 can be provided separately or integrated together.
  • the communication device 1000 may also include a transceiver 1005 and an antenna 1006.
  • the transceiver 1005 may be called a transceiver unit, a transceiver, a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver 1005 may include a receiver and a transmitter.
  • the receiver may be called a receiver or a receiving circuit, etc., used to implement the receiving function;
  • the transmitter may be called a transmitter, a transmitting circuit, etc., used to implement the transmitting function.
  • the communication device 1000 may also include one or more interface circuits 1007.
  • the interface circuit 1007 is used to receive code instructions and transmit them to the processor 1001 .
  • the processor 1001 executes the code instructions to cause the communication device 1000 to perform the method described in the above method embodiment.
  • the processor 1001 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor 1001 may store a computer program 1003, and the computer program 1003 runs on the processor 1001, causing the communication device 1000 to perform the method described in the above method embodiment.
  • the computer program 1003 may be solidified in the processor 1001, in which case the processor 1001 may be implemented by hardware.
  • the communication device 1000 may include a circuit, and the circuit may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processor and transceiver described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits RFICs, mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in this application is not limited thereto, and the structure of the communication device may not be limited by FIG. 10 .
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a chip system
  • the schematic structural diagram of the chip shown in FIG. 11 refer to the schematic structural diagram of the chip shown in FIG. 11 .
  • the chip shown in Figure 11 includes a processor 1101 and an interface 1102.
  • the number of processors 1101 may be one or more, and the number of interfaces 1102 may be multiple.
  • the chip also includes a memory 1103, which is used to store necessary computer programs and data.
  • This application also provides a readable storage medium on which instructions are stored. When the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • This application also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • 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 contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, magnetic tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • At least one in this application can also be described as one or more, and the plurality can be two, three, four or more, which is not limited by this application.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.
  • the corresponding relationships shown in each table in this application can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by this application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables may also be other names understandable by the communication device, and the values or expressions of the parameters may also be other values or expressions understandable by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables. wait.
  • Predefinition in this application can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-burning.

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Abstract

本公开提出一种指示方法、装置、设备、存储介质,属于通信技术领域。该方法包括:发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。本公开提供的方法避免了SL链路通信失败。

Description

一种指示方法、装置、设备及存储介质 技术领域
本公开涉及通信技术领域,尤其涉及一种指示方法、装置、设备及存储介质。
背景技术
在通信系统中,引入了侧行链路(Sidelink,SL)来实现用户设备(User Equipment,UE)与UE之间的直接通信,其中,SL中使用的资源可以由网络设备调度至UE,以及,发送UE接收到网络设备调度的SL发送资源后,即可利用该调度的SL发送资源来向接收UE发送数据。
相关技术中,为扩展可用频率,网络设备会将非授权频谱资源调度为SL发送资源,其中,当网络设备调度的SL发送资源为非授权频谱资源时,为了避免产生干扰,同时兼顾不同UE之间的公平性,发送UE通常需要针对网络设备调度的非授权频谱上的SL发送资源进行先听后发(Listen-Before-Talk,LBT),只有当LBT执行成功后,发送UE才能开始使用该非授权频谱中的SL发送资源。
但是,相关技术中,若发送UE对于非授权频谱上的SL发送资源进行的LBT执行失败,则会导致发送UE无法使用SL发送资源,此时,网络设备也无法知晓发送UE是否成功使用了SL发送资源,则网络设备也可能不会继续为发送UE调度SL发送资源,从而会导致通信失败。
发明内容
本公开提出的指示方法、装置、设备及存储介质,以解决相关技术中的方法易导致通信失败的技术问题。
第一方面,本公开实施例提供一种指示方法,该方法由发送UE执行,包括:
接收网络设备调度的非授权频谱上的用于侧行链路SL发送的至少一个SL发送资源;
对所述SL发送资源执行LBT;
基于LBT执行结果向所述网络设备发送指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
本公开中,提供了一种指示方法,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
可选地,在本公开的一个实施例之中,所述对所述SL发送资源执行LBT,包括:
基于所述SL发送资源监听对应的SL信道,以确定所述SL信道是否具备一段信道占用时间;
响应于确定所述SL信道具备所述信道占用时间,确定LBT执行成功;
响应于确定所述SL信道不具备所述信道占用时间,确定LBT执行失败。
可选地,在本公开的一个实施例之中,所述基于LBT执行结果向所述网络设备发送指示信息,包括:
响应于一SL发送资源对应的LBT执行结果为:失败,则发送UE执行以下任一种或多种:
发送UE忽略SL发送资源;
向所述网络设备发送所述SL发送资源对应的第一指示信息,以指示发送UE未成功使用所述SL发送资源。
可选地,在本公开的一个实施例之中,所述基于LBT执行结果向所述网络设备发送指示信息,包括:
响应于一SL发送资源对应的LBT执行结果为:成功,则发送UE执行以下任一种或多种:
利用所述SL发送资源向接收UE发送数据;
向所述网络设备发送所述SL发送资源对应的第二指示信息,以指示发送UE成功使用所述SL发送资源。
可选地,在本公开的一个实施例之中,所述方法还包括:
接收所述网络设备发送的所述SL发送资源对应的自动重传请求进程标识HARQ process ID和/或所述SL发送资源对应的物理上行控制信道PUCCH。
可选地,在本公开的一个实施例之中,所述向所述网络设备发送所述SL发送资源对应的第一指示信息的方法包括以下至少一种:
通过LBT执行失败的SL发送资源所对应的PUCCH向所述网络设备发送第一指示信息,所述第一指示信息指示:传输所述第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败;
通过特定信令向所述网络设备发送第一指示信息,所述第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID;
通过特定信令向所述网络设备发送第一指示信息,所述第一指示信息包括比特位图,其中,所述比特位图中的每一比特位对应一HARQ process ID,通过使得不同比特位承载特定比特值以指示所述比特位对应的HARQ process ID所对应的SL发送资源未被成功使用;
通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来发送所述第一指示信息。
可选地,在本公开的一个实施例之中,所述通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来发送所述第一指示信息的方法包括以下任一种:
通过LBT执行失败的SL发送资源所对应的PUCCH发送未确认NACK反馈来发送所述第一指示信息;
若LBT执行失败的SL发送资源所对应的PUCCH用于初次传输,通过所述PUCCH发送确认ACK反馈来发送所述第一指示信息;
若LBT执行失败的SL发送资源所对应的PUCCH用于重复传输,通过所述PUCCH发送NACK反馈来发送所述第一指示信息。
可选地,在本公开的一个实施例之中,所述第二指示信息包括以下至少一种:
接收UE的层2标识;
所述发送UE利用所述SL发送资源发送的数据所来自的逻辑信道;
所述发送UE与所述接收UE之间的SL是否启动了HARQ重传;
所述SL发送资源对应的HARQ process ID;
第三指示信息,所述第三指示信息指示所述SL发送资源的LBT执行结果为:成功。
可选地,在本公开的一个实施例之中,所述向所述网络设备发送所述SL发送资源对应的第二指示信息的方法包括以下至少一种:
通过LBT执行成功的SL发送资源所对应的PUCCH向所述网络设备发送第二指示信息;
通过特定信令向所述网络设备发送第二指示信息。
可选地,在本公开的一个实施例之中,所述特定信令包括以下至少一种:
媒体接入控制控制单元MAC CE信令;
上行控制信息UCI信令;
无线资源控制RRC信令。
第二方面,本公开实施例提供一种指示方法,该方法由网络设备执行,包括:
向发送UE发送非授权频谱上的用于SL的至少一个SL发送资源;
接收所述发送UE发送的指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
可选地,在本公开的一个实施例之中,所述接收所述发送UE发送的指示信息,包括:
接收所述发送UE发送的第一指示信息,所述第一指示信息用于指示所述发送UE未成功使用所述第一指示信息对应的SL发送资源。
可选地,在本公开的一个实施例之中,所述接收所述发送UE发送的指示信息,包括:
接收所述发送UE发送的第二指示信息,所述第二指示信息用于指示所述发送UE成功使用所述第二指示信息对应的SL发送资源。
可选地,在本公开的一个实施例之中,所述方法还包括:
向所述发送UE发送所述SL发送资源对应的HARQ process ID和/或所述SL发送资源对应的PUCCH。
可选地,在本公开的一个实施例之中,所述接收发送UE发送的所述SL发送资源对应的第一指示信息的方法包括以下至少一种:
接收所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的第一指示信息,其中;所述第一指示信息指示:传输所述第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败;
接收所述发送UE通过特定信令发送的第一指示信息,所述第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID;
接收所述发送UE通过特定信令发送的第一指示信息,所述第一指示信息包括比特位图,其中,所述比特位图中的每一比特位对应一HARQ process ID,其中,所述比特位图中承载了特定比特值的比特位用于指示:对应的HARQ process ID所对应的SL发送资源未被成功使用;
通过接收所述发送UE利用LBT执行失败的SL发送资源所对应的PUCCH发送的HARQ反馈来接收所述第一指示信息。
可选地,在本公开的一个实施例之中,所述接收发送UE利用LBT执行失败的SL发送资源所对应的PUCCH发送的HARQ反馈来接收所述第一指示信息的方法包括以下任一种:
将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的NACK反馈确定为所述第一指示信息;
将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH初次传输的ACK反馈确定为所述第一指示信息;
将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH重复传输的NACK反馈确定为所述第一指示信息。
可选地,在本公开的一个实施例之中,所述第二指示信息包括以下至少一种:
接收UE的层2标识;
所述发送UE利用所述SL发送资源发送的数据所来自的逻辑信道;
所述发送UE与所述接收UE之间的SL是否启动了HARQ重传;
所述SL发送资源对应的HARQ process ID;
第三指示信息,所述第三指示信息指示所述SL发送资源的LBT执行结果为:成功。
可选地,在本公开的一个实施例之中,接收所述发送UE发送的所述SL发送资源对应的第二指示信息的方法包括以下至少一种:
接收所述发送UE通过SL发送资源所对应的PUCCH发送的第二指示信息;
接收所述发送UE通过特定信令发送的第二指示信息。
可选地,在本公开的一个实施例之中,所述特定信令包括以下至少一种:
MAC CE信令;
UCI信令;
RRC信令。
第三方面,本公开实施例提供一种指示装置,该装置被配置于发送UE中,包括:
收发模块,用于接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源;
处理模块,用于对所述SL发送资源执行LBT;
所述收发模块,还用于基于LBT执行结果向所述网络设备发送指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
第四方面,本公开实施例提供一种指示装置,该装置被配置于网络设备中,包括:
收发模块,用于向发送UE发送非授权频谱上的用于侧行链路SL的至少一个SL发送资源;
所述收发模块,还用于接收所述发送UE基于LBT执行结果发送的指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
第五方面,本公开实施例提供一种通信装置,该通信装置包括处理器,当该处理器调用存储器中的计算机程序时,执行上述第一方面所述的方法。
第六方面,本公开实施例提供一种通信装置,该通信装置包括处理器,当该处理器调用存储器中的计算机程序时,执行上述第二方面所述的方法。
第七方面,本公开实施例提供一种通信装置,该通信装置包括处理器和存储器,该存储器中存储有计算机程序;所述处理器执行该存储器所存储的计算机程序,以使该通信装置执行上述第一方面所述的方法。
第八方面,本公开实施例提供一种通信装置,该通信装置包括处理器和存储器,该存储器中存储有计算机程序;所述处理器执行该存储器所存储的计算机程序,以使该通信装置执行上述第二方面所述的方法。
第九方面,本公开实施例提供一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第一方面所述的方法。
第十方面,本公开实施例提供一种通信装置,该装置包括处理器和接口电路,该接口电路用于接收代码指令并传输至该处理器,该处理器用于运行所述代码指令以使该装置执行上述第二方面所述的方法。
第十一方面,本公开实施例提供一种通信系统,该系统包括第三方面所述的通信装置至第四方面所述的通信装置,或者,该系统包括第五方面所述的通信装置至第六方面所述的通信装置,或者,该系统包括第七方面所述的通信装置至第八方面所述的通信装置,或者,该系统包括第九方面所述的通信装置至第十方面所述的通信装置。
第十二方面,本发明实施例提供一种计算机可读存储介质,用于储存为上述网络设备和/或终端设备所用的指令,当所述指令被执行时,使所述终端设备执行上述第一方面的所述的方法,和/或,使所述网络设备执行上述第二方面所述的方法。
第十三方面,本公开还提供一种包括计算机程序的计算机程序产品,当其在计算机上运行时,使得计算机执行上述第一方面至第二方面的任一方面所述的方法。
第十四方面,本公开提供一种芯片系统,该芯片系统包括至少一个处理器和接口,用于支持终端设备实现第一方面的所述的方法所涉及的功能,和/或,用于支持网络设备实现第二方面的所述的方法所涉及的功能,例如,确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中,所述芯片系统还包括存储器,所述存储器,用于保存源辅节点必要的计算机程序和数据。该芯片系统,可以由芯片构成,也可以包括芯片和其他分立器件。
第十五方面,本公开提供一种计算机程序,当其在计算机上运行时,使得计算机执行上述第一方面至第二方面的任一方面所述的方法。
附图说明
本公开上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解,其中:
图1为本公开实施例提供的一种通信系统的架构示意图;
图2为本公开一个实施例所提供的信息确定方法的流程示意图;
图3a为本公开另一个实施例所提供的信息确定方法的流程示意图;
图3b为本公开又一个实施例所提供的信息确定方法的流程示意图;
图4a为本公开又一个实施例所提供的信息确定方法的流程示意图;
图4b为本公开又一个实施例所提供的信息确定方法的流程示意图;
图5为本公开又一个实施例所提供的信息确定方法的流程示意图;
图6为本公开又一个实施例所提供的信息确定方法的流程示意图;
图7为本公开又一个实施例所提供的信息确定方法的流程示意图;
图8为本公开一个实施例所提供的系统信息配置装置的结构示意图;
图9为本公开另一个实施例所提供的系统信息配置装置的结构示意图;
图10是本公开一个实施例所提供的一种终端设备的框图;
图11为本公开一个实施例所提供的一种网络侧设备的框图。
具体实施方式
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开实施例范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面详细描述本公开的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的,旨在用于解释本公开,而不能理解为对本公开的限制。
为了更好的理解本公开实施例公开的一种指示的方法,下面首先对本公开实施例适用的通信系统进行描述。
为了便于理解,首先介绍本申请涉及的术语。
1、侧行链路(Sidelink,SL)
Sidelink通信分为两种模式,一种叫做UE之间的发现(dicovery),另外一种叫做UE之间的通信(communication)。Sidelink使用了上行资源以及与蜂窝网络(LTE)类似的上行物理信道进行数据交互传输。
2、先听后发(Listen-Before-Talk,LBT)
LBT是无线电通信中使用较为广泛的一种技术,无线电发射机在开始传输之前首先会侦听其无线电环境,检测信道是否空闲,若信道处于繁忙状态则等待信道空闲时再传输,避免信道访问冲突,实现信道频谱共享。
3、混合式自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)
HARQ使用stop-and-wait protocal(停等协议)来发送数据。在停等协议中,发送端每发送一个传输块后,就会停下来等待确认信息(ACK/NACK)。
4、确认字符(Acknowledge,ACK)/非确认字符(Negative Acknowledge,NACK)
若接收方成功的接收到数据,会回复发送方一个ACK,通常ACK有自己固定的格式,长度大小,由接收方回复给发送方。若接收方没有收到数据的时,会回复发送方一个NACK。
5、物理上行控制信道(Physical Uplink Control Channel,PUCCH)
PUCCH携带不同的上行控制信息(Uplink Control Information,UCI)类型,例如HARQ反馈、调度请求、信道状态信息(Channel State Information,CSI)反馈(包括可能的波束相关信息)及其组合。
6、上行控制信息(Uplink Control Information,UCI)
UCI包括支持PDSCH的HARQ传输的ACK/NACK和链路自适应/多天线预编码/空间复用维度的信道状态信息。
7、无线资源控制(Ratio Resource Control,RRC)信令
RRC信令可以对接入网的底层协议实体提供参数配置的功能;负责终端设备移动性管理相关的测量、控制等功能。
8、媒体接入控制-控制单元(Medium Access Control-Control Element,MAC CE)信令
MAC CE是终端设备和网络设备的交换控制信息的一个途径,以及,交换的是关于MAC层的控制信息。
下面详细描述本公开的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的,旨在用于解释本公开,而不能理解为对本公开的限制。
请参见图1,图1为本公开实施例提供的一种通信系统的架构示意图。该通信系统可包括但不限于一个网络设备和一个终端设备,图1所示的设备数量和形态仅用于举例并不构成对本公开实施例的限定,实际应用中可以包括两个或两个以上的网络设备,两个或两个以上的终端设备。图1所示的通信系统以包括一个网络设备11、一个终端设备12为例。
需要说明的是,本公开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、第五代(5th generation,5G)移动通信系统、5G新空口(new radio,NR)系统,或者其他未来的新型移动通信系统等。
本公开实施例中的网络设备11是网络侧的一种用于发射或接收信号的实体。例如,网络设备11可以为演进型基站(evolved NodeB,eNB)、发送接收点(transmission reception point,TRP)、NR系统中的下一代基站(next generation NodeB,gNB)、其他未来移动通信系统中的基站或无线保真(wireless fidelity,WiFi)系统中的接入节点等。本公开的实施例对网络设备所采用的具体技术和具体设备形态不做限定。本公开实施例提供的网络设备可以是由集中单元(central unit,CU)与分布式单元(distributed unit,DU)组成的,其中,CU也可以称为控制单元(control unit),采用CU-DU的结构可以将网络设备,例如基站的协议层拆分开,部分协议层的功能放在CU集中控制,剩下部分或全部协议层的功能分布在DU中,由CU集中控制DU。
本公开实施例中的终端设备12是用户侧的一种用于接收或发射信号的实体,如手机。终端设备也可以称为终端设备(terminal)、用户设备(user equipment,UE)、移动台(mobile station,MS)、移动终端设备(mobile terminal,MT)等。终端设备可以是具备通信功能的汽车、智能汽车、手机(mobile phone)、穿戴式设备、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(virtual reality,VR)终端设备、增强现实(augmented reality,AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self-driving)中的无线终端设备、远程手术(remote medical surgery)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备、智慧家庭(smart home)中的无线终端设备等等。本公开的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
可以理解的是,本公开实施例描述的通信系统是为了更加清楚的说明本公开实施例的技术方案,并不构成对于本公开实施例提供的技术方案的限定,本领域普通技术人员可知,随着系统架构的演变和新业务场景的出现,本公开实施例提供的技术方案对于类似的技术问题,同样适用。
下面详细描述本公开的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的,旨在用于解释本公开,而不能理解为对本公开的限制。
图2为本公开实施例所提供的一种指示方法的流程示意图,应用于发送UE,如图2所示,该指示方法可以包括以下步骤:
步骤201、接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源。
其中,在本公开的一个实施例之中,该发送UE具体为SL链路中作为发送方的UE。
以及,在本公开的一个实施例之中,上述的SL发送资源可以为网络设备调度至发送UE,用于该发送UE通过SL发送数据的资源。
以及,在本公开的一个实施例之中,该非授权频谱上的用于SL发送的至少一个SL发送资源可以是网络设备根据发送UE上报的缓存数据动态调度的。
以及,在本公开的一个实施例之中,发送UE可以接收网络设备通过下行控制信息(Downlink Control Information,DCI)信令调度的非授权频谱上的用于SL发送的至少一个SL发送资源。进一步地,在本公开的一个实施例之中,发送UE接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源时,还可以同步接收网络设备发送的SL发送资源对应的混合自动重传请求进程标识(HARQ process ID)和/或SL发送资源对应的PUCCH。其中,该SL发送资源对应的HARQ process ID和SL发送资源对应的PUCCH可以与SL发送资源一起被包括于DCI信令中发送至该发送UE。
其中,上述的SL发送资源可以为SL发送资源的时频位置,上述的SL发送资源对应的PUCCH可以为SL发送资源对应的PUCCH的时频位置。
以及,需要说明的是,当发送UE接收到网络设备发送的SL发送资源对应的HARQ process ID之后,可以将SL链路的HARQ process ID与DCI中携带的HARQ process ID相绑定,即将DCI中携带的SL发送资源对应的HARQ process ID所对应的HARQ process用于SL的HARQ反馈。
步骤202、对SL发送资源执行LBT。
其中,在本公开的一个实施例之中,由于网络设备向终端设备调度的是非授权频段上的SL发送资源,因此,为了避免产生干扰,同时兼顾不同UE之间的公平性,发送UE需要先对该SL发送资源执行LBT,以确定该SL发送资源是否能被发送UE成功使用。
其中,在本公开的一个实施例之中,该对SL发送资源执行LBT的方法可以包括:
基于SL发送资源监听对应的SL信道,以确定SL信道是否具备一段信道占用时间(Channel Occupany Time,COT),其中,该信道占用时间可以理解为:UE利用该SL信道发送数据时的发送时间;响应于确定SL信道具备信道占用时间,确定LBT执行成功;响应于确定SL信道不具备信道占用时间,确定LBT执行失败。其中,该信道占用时间的长度可以是预先基于协议约定的,或者,可以是网络设备配置的,或者,可以是发送UE自主确定的。
步骤203、基于LBT执行结果向网络设备发送指示信息,该指示信息用于指示发送UE是否成功使用SL发送资源。
在本公开的一个实施例之中,基于LBT的不同执行结果,终端设备会向网络设备发送不同的指示信息,以及不同的指示信息所指示的内容也不同。其中,关于该部分详细内容会在后续实施例进行描述。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图3a为本公开实施例所提供的一种指示方法的流程示意图,应用于发送UE,如图3a所示,该指示方法可以包括以下步骤:
步骤301a、接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源。
步骤302a、对SL发送资源执行LBT。
其中,关于步骤301a-302a的相关介绍可以参考上述实施例描述。
步骤303a、响应于SL发送资源对应的LBT执行结果为:失败,发送UE忽略SL发送资源。
其中,在本公开的一个实施例之中,当SL发送资源对应的LBT执行结果为:失败时,说明该SL发送资源对应的SL信道不具备信道占用时间,则进一步说明该SL信道中不具备能用于该发送UE发送数据的时间,也即是,该发送UE无法使用该SL发送资源来向接收UE发送数据,此时,该发送UE可以忽略该SL发送资源而不进行SL发送。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络 设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图3b为本公开实施例所提供的一种指示方法的流程示意图,应用于发送UE,如图3b所示,该指示方法可以包括以下步骤:
步骤301b、接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源。
步骤302b、对SL发送资源执行LBT。
其中,关于步骤301b-302b的相关介绍可以参考上述实施例描述。
步骤303b、响应于SL发送资源对应的LBT执行结果为:失败,向网络设备发送SL发送资源对应的第一指示信息,以指示发送UE未成功使用SL发送资源。
其中,在本公开的一个实施例之中,当SL发送资源对应的LBT执行结果为:失败时,说明该SL发送资源对应的SL信道不具备信道占用时间,则进一步说明该SL信道中不具备能用于该发送UE发送数据的时间,也即是,则该发送UE无法使用该SL发送资源进行SL发送,此时,发送UE可以向网络设备发送第一指示信息,通知网络设备该发送UE未成功使用SL发送资源,以使得网络设备可以向发送UE重新调度其他的SL发送资源,以确保通信成功。
其中,在本公开的一个实施例之中,向网络设备发送SL发送资源对应的第一指示信息的方法可以包括以下至少一种:
方法1:通过SL发送资源所对应的PUCCH向网络设备发送第一指示信息,第一指示信息用于指示:传输该第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败。
基于此,在本公开的一个实施例之中,当网络设备接收到该第一指示信息之后,会先确定传输该第一指示信息的PUCCH所对应的SL发送资源,之后,基于该第一指示信息即可确定出该SL发送资源的LBT执行失败,进而认为该SL发送资源未被发送UE成功使用,则可以向发送UE重新调度其他的SL发送资源。
方法2:通过特定信令向网络设备发送第一指示信息,第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID。
基于此,在本公开的一个实施例之中,当网络设备接收到该第一指示信息时,可确定出:该第一指示信息包括的HARQ process ID对应的SL发送资源的LBT执行失败,进而认为该SL发送资源未被发送UE成功使用,则可以向发送UE重新调度其他的SL发送资源。
其中,在本公开的一个实施例之中,该特定信令可以包括以下至少一种:
MAC CE信令;
UCI信令;
RRC信令。
方法3:通过特定信令向网络设备发送第一指示信息,第一指示信息包括比特位图,其中,比特位图中的每一比特位对应一HARQ process ID,通过使得不同比特位承载特定比特值以指示比特位对应的HARQ process ID所对应的SL发送资源未被成功使用。
其中,在本公开的一个实施例之中,该比特位图中包括的比特位数可以与发送UE的总SL数相同,或者,该比特位图中包括的比特位数可以小于发送UE的总SL数。
具体而言,在本公开的一个实施例之中,一个发送UE可能会通过不同的SL与不同的接收UE进行通信。基于此,通过使得第一指示信息包括比特位图,并使得比特位图中的每一比特位对应一HARQ process ID,其中,该HARQ process ID为发送UE的SL所对应的HARQ process ID,由此可以使得该比特位图中的每一比特位与发送UE的不同SL之间存在对应关系。在此基础上,再确定一特定比特值,以及,当某一比特位承载了该特定比特值时,则说明该比特位对应的HARQ process ID所对应的SL发送资源未被成功使用。由此发送UE仅需向网络设备发送一次第一指示信息,即可向网络设备指示调度至该发送UE的多个SL的SL发送资源是否被成功使用,而无需针对每一LBT执行失败的SL发送资 源均发送一次第一指示信息,则可以节省资源。
其中,在本公开的一个实施例之中,该特定比特值可以是基于协议约定的,也可以是由网络设备配置的。该特定比特值例如可以为0或1。
示例地,在本公开的一个实施例之中,假设发送UE包括4个SL链路,如包括SL链路-1、SL链路-2、SL链路-3、SL链路-4,其中,该SL链路-1对应HARQ process ID-1,SL链路-2对应HARQ process ID-2,SL链路-3对应HARQ process ID-3,SL链路-4对应HARQ process ID-4,以及,网络设备为SL链路-1调度了SL发送资源-1,为SL链路-2调度了SL发送资源-2,为SL链路-3调度了SL发送资源-3,为SL链路-4调度了SL发送资源-4。则该比特位图的位数可以为4,且每一比特位的位数可以与HARQ process ID相对应。比如第一位比特位对应HARQ process ID-1,第二位比特位对应HARQ process ID-2,第三位比特位对应HARQ process ID-3以及第四位比特位对应HARQ process ID-4。基于此,假设特定比特值设置为“0”,则当该比特位图为“××00”时,由于第三位比特位和第四位比特位的值为特定比特值“0”,则该比特位图指示:第三位比特位所对应的HARQ process ID-3对应的SL发送资源-3和第四位比特位所对应的HARQ process ID-4对应的对应的SL发送资源-4未被成功使用。
方法4:通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来发送第一指示信息。
其中,在本公开的一个实施例之中,通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来发送第一指示信息的方法包括以下任一种:
通过LBT执行失败的SL发送资源所对应的PUCCH发送NACK反馈来发送第一指示信息,基于此,网络设备接收到某一PUCCH传输的NACK反馈时,会先确定出发送该NACK的PUCCH所对应的SL发送资源,并进一步确定该SL发送资源未被成功使用,再向发送UE重新调度新的SL发送资源,以确保通信成功。
若LBT执行失败的SL发送资源所对应的PUCCH用于初次传输,通过该PUCCH发送ACK反馈来发送第一指示信息,基于此,当网络设备接收到某一PUCCH初次传输的ACK反馈时,会先确定出发送该ACK的PUCCH所对应的SL发送资源,并进一步确定该SL发送资源未被成功使用,再向发送UE重新调度新的SL发送资源,以确保通信成功。
若LBT执行失败的SL发送资源所对应的PUCCH用于重复传输,通过该PUCCH发送NACK反馈来发送第一指示信息,基于此,当网络设备接收到某一PUCCH重复传输的NACK反馈时,会先确定出发送该ACK的PUCCH所对应的SL发送资源,并进一步确定该SL发送资源未被成功使用,再向发送UE重新调度新的SL发送资源,以确保通信成功。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图4a为本公开实施例所提供的一种指示方法的流程示意图,应用于发送UE,如图4a所示,该指示方法可以包括以下步骤:
步骤401a、接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源。
步骤402a、对SL发送资源执行LBT。
其中,关于步骤401a-402a的相关介绍可以参考上述实施例描述。
步骤403a、响应于SL发送资源对应的LBT执行结果为:成功,利用SL发送资源向接收UE发送数据。
其中,在本公开的一个实施例之中,当SL发送资源对应的LBT执行结果为:成功时,说明该SL发送资源对应的SL信道具备信道占用时间,则进一步说明SL信道中具备能用于该发送UE发送数据的时间,也即是该发送UE可以使用该SL发送资源进行SL发送,此时,该发送UE可以利用SL发送资源向接收UE发送数据。
以及,在本公开的一个实施例之中,当发送UE确定出其自身的信道占用时间后,还可以将该信道占用时间分享给其他UE以进行SL发送。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图4b为本公开实施例所提供的一种指示方法的流程示意图,应用于发送UE,如图4b所示,该指示方法可以包括以下步骤:
步骤401b、接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源。
步骤402b、对SL发送资源执行LBT。
其中,关于步骤401b-402b的相关介绍可以参考上述实施例描述。
步骤403b、响应于SL发送资源对应的LBT执行结果为:成功,向网络设备发送SL发送资源对应的第二指示信息,以指示发送UE成功使用SL发送资源。
其中,在本公开的一个实施例之中,当SL发送资源对应的LBT执行结果为:成功时,说明该SL发送资源对应的SL信道具备信道占用时间,则进一步说明该SL信道中具备能用于该发送UE发送数据的时间,也即是,则该发送UE可以使用该SL发送资源来向接收UE发送数据,此时,发送UE可以向网络设备发送第二指示信息,以指示发送UE成功使用了SL发送资源。
以及,在本公开的一个实施例之中,该第二指示信息可以包括以下至少一种:
接收UE的层2标识;
发送UE利用SL发送资源发送的数据所来自的逻辑信道;
发送UE与接收UE之间的SL是否启动了HARQ重传;
LBT执行成功的SL发送资源对应的HARQ process ID;
第三指示信息,该第三指示信息指示SL发送资源的LBT执行结果为:成功。
以及,在本公开的一个实施例之中,向网络设备发送SL发送资源对应的第二指示信息的方法包括以下至少一种:
通过LBT执行成功的SL发送资源所对应的PUCCH向网络设备发送第二指示信息;
通过特定信令向网络设备发送第二指示信息。
以及,在本公开的一个实施例之中,该特定信令包括以下至少一种:
MAC CE信令;
UCI信令;
RRC信令。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图5为本公开实施例所提供的一种指示方法的流程示意图,应用于网络设备,如图5所示,该指示方法可以包括以下步骤:
步骤501、向发送UE发送非授权频谱上的用于SL的至少一个SL发送资源。
在本公开的一个实施例之中,上述的SL发送资源可以为网络设备调度至发送UE,用于该发送UE通过SL发送数据的资源。
其中,在本公开的一个实施例之中,该非授权频谱上的用于SL发送的至少一个SL发送资源可以 是根据发送UE上报的缓存数据动态调度的。
以及,在本公开的一个实施例之中,网络设备可以通过DCI信令向发送UE调度非授权频谱上的用于SL发送的至少一个SL发送资源。
进一步地,在本公开的一个实施例之中,向发送UE调度非授权频谱上的用于SL发送的至少一个SL发送资源时,还可以向发送UE同步发送SL发送资源对应HARQ process ID和/或SL发送资源对应的PUCCH。其中,该SL发送资源对应的HARQ process ID和SL发送资源对应的PUCCH可以与SL发送资源一起被包括于DCI信令中发送至发送UE。
其中,上述的SL发送资源可以为SL发送资源的时频位置,上述的SL发送资源对应的PUCCH可以为SL发送资源对应的PUCCH的时频位置。
步骤502、接收发送UE发送的指示信息,该指示信息用于指示发送UE是否成功使用SL发送资源。
其中,关于步骤501-502的其他相关介绍可以参考上述实施例描述。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图6为本公开实施例所提供的一种指示方法的流程示意图,应用于网络设备,如图6所示,该指示方法可以包括以下步骤:
步骤601、向发送UE发送非授权频谱上的用于SL的至少一个SL发送资源。
步骤602、接收发送UE发送的第一指示信息,第一指示信息用于指示发送UE未成功使用第一指示信息对应的SL发送资源。
其中,在本公开的一个实施例之中,接收发送UE发送的SL发送资源对应的第一指示信息的方法包括以下至少一种:
方法1、接收发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的第一指示信息,其中;第一指示信息指示:传输第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败;
方法2、接收发送UE通过特定信令发送的第一指示信息,该第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID;
方法3、接收发送UE通过特定信令发送的第一指示信息,第一指示信息包括比特位图,其中,比特位图中的每一比特位对应一HARQ process ID,其中,比特位图中承载了特定比特值的比特位用于指示:对应的HARQ process ID所对应的SL发送资源未被成功使用;
方法4、通过接收发送UE利用LBT执行失败的SL发送资源所对应的PUCCH发送的HARQ反馈来接收第一指示信息。
其中,在本公开的一个实施例之中,通过接收发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来接收第一指示信息的方法包括以下任一种:
将发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的NACK反馈确定为所述第一指示信息;
将发送UE通过LBT执行失败的SL发送资源所对应的PUCCH初次传输的ACK反馈确定为所述第一指示信息;
将发送UE通过LBT执行失败的SL发送资源所对应的PUCCH重复传输的NACK反馈确定为所述第一指示信。
其中,关于步骤601-602的相关介绍可以参考上述实施例描述。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱 上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图7为本公开实施例所提供的一种指示方法的流程示意图,应用于网络设备,如图7所示,该指示方法可以包括以下步骤:
步骤701、向发送UE发送非授权频谱上的用于SL的至少一个SL发送资源。
步骤702、接收发送UE发送的第二指示信息,第二指示信息用于指示发送UE成功使用第二指示信息对应的SL发送资源。
其中,在本公开的一个实施例之中,该第二指示信息可以包括以下至少一种:
接收UE的层2标识;
发送UE利用SL发送资源发送的数据所来自的逻辑信道;
发送UE与接收UE之间的SL是否启动了HARQ重传;
SL发送资源对应的HARQ process ID;
第三指示信息,第三指示信息指示SL发送资源的LBT执行结果为:成功。
以及,在本公开的一个实施例之中,接收发送UE发送的SL发送资源对应的第二指示信息的方法包括以下至少一种:
接收发送UE通过LBT执行成功的SL发送资源所对应的PUCCH发送的第二指示信息;
接收发送UE通过特定信令发送的第二指示信息。
其中,关于步骤701-702的相关介绍可以参考上述实施例描述。
综上所述,在本公开实施例提供的指示方法之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
图8为本公开实施例所提供的一种指示装置的结构示意图,如图8所示,装置可以包括:
收发模块,用于接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源;
处理模块,用于对所述SL发送资源执行LBT;
收发模块,还用于基于LBT执行结果向所述网络设备发送指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
综上所述,在本公开实施例提供的指示装置之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
可选地,在本公开的一个实施例之中,所述处理模块,还用于:
基于所述SL发送资源监听对应的SL信道,以确定所述SL信道是否具备一段信道占用时间;
响应于确定所述SL信道具备所述信道占用时间,确定LBT执行成功;
响应于确定所述SL信道不具备所述信道占用时间,确定LBT执行失败。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
响应于一SL发送资源对应的LBT执行结果为:失败,则发送UE执行以下任一种或多种:
发送UE忽略SL发送资源;
向所述网络设备发送所述SL发送资源对应的第一指示信息,以指示发送UE未成功使用所述SL发送资源。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
响应于一SL发送资源对应的LBT执行结果为:成功,则发送UE执行以下任一种或多种:
利用所述SL发送资源向接收UE发送数据;
向所述网络设备发送所述SL发送资源对应的第二指示信息,以指示发送UE成功使用所述SL发送资源。
可选地,在本公开的一个实施例之中,所述装置,还用于:
接收所述网络设备发送的所述SL发送资源对应的自动重传请求进程标识HARQ process ID和/或所述SL发送资源对应的物理上行控制信道PUCCH。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
通过LBT执行失败的SL发送资源所对应的PUCCH向所述网络设备发送第一指示信息,所述第一指示信息指示:传输所述第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败;
通过特定信令向所述网络设备发送第一指示信息,所述第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID;
通过特定信令向所述网络设备发送第一指示信息,所述第一指示信息包括比特位图,其中,所述比特位图中的每一比特位对应一HARQ process ID,通过使得不同比特位承载特定比特值以指示所述比特位对应的HARQ process ID所对应的SL发送资源未被成功使用;
通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来发送所述第一指示信息。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
通过LBT执行失败的SL发送资源所对应的PUCCH发送未确认NACK反馈来发送所述第一指示信息;
若LBT执行失败的SL发送资源所对应的PUCCH用于初次传输,通过所述PUCCH发送确认ACK反馈来发送所述第一指示信息;
若LBT执行失败的SL发送资源所对应的PUCCH用于重复传输,通过所述PUCCH发送NACK反馈来发送所述第一指示信息。
可选地,在本公开的一个实施例之中,所述第二指示信息包括以下至少一种:
接收UE的层2标识;
所述发送UE利用所述SL发送资源发送的数据所来自的逻辑信道;
所述发送UE与所述接收UE之间的SL是否启动了HARQ重传;
所述SL发送资源对应的HARQ process ID;
第三指示信息,所述第三指示信息指示所述SL发送资源的LBT执行结果为:成功。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
通过LBT执行成功的SL发送资源所对应的PUCCH向所述网络设备发送第二指示信息;
通过特定信令向所述网络设备发送第二指示信息。
可选地,在本公开的一个实施例之中,所述特定信令包括以下至少一种:
媒体接入控制控制单元MAC CE信令;
上行控制信息UCI信令;
无线资源控制RRC信令。
图9为本公开实施例所提供的一种指示装置的结构示意图,如图9所示,装置可以包括:
收发模块,用于向发送UE发送非授权频谱上的用于侧行链路SL的至少一个SL发送资源;
收发模块,还用于接收所述发送UE发送的指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
综上所述,在本公开实施例提供的指示装置之中,发送UE可以先接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源,之后对SL发送资源执行LBT,基于LBT执行结果向网络 设备发送指示信息,指示信息用于指示发送UE是否成功使用SL发送资源。由此可知,本实施例中,发送UE可以向网络设备发送用于指示该发送UE是否成功使用网络设备调度的SL发送资源的指示信息,由此网络设备可以基于该指示消息知晓发送UE是否成功使用了SL发送资源,以便当网络设备知晓发送UE未成功使用SL发送资源时,能够及时为发送UE调度重传资源,避免了通信失败。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
接收所述发送UE发送的第一指示信息,所述第一指示信息用于指示所述发送UE未成功使用所述第一指示信息对应的SL发送资源。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
接收所述发送UE发送的第二指示信息,所述第二指示信息用于指示所述发送UE成功使用所述第二指示信息对应的SL发送资源。
可选地,在本公开的一个实施例之中,所述装置,还用于:
向所述发送UE发送所述SL发送资源对应的HARQ process ID和/或所述SL发送资源对应的PUCCH。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
接收所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的第一指示信息,其中;所述第一指示信息指示:传输所述第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败;
接收所述发送UE通过特定信令发送的第一指示信息,所述第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID;
接收所述发送UE通过特定信令发送的第一指示信息,所述第一指示信息包括比特位图,其中,所述比特位图中的每一比特位对应一HARQ process ID,其中,所述比特位图中承载了特定比特值的比特位用于指示:对应的HARQ process ID所对应的SL发送资源未被成功使用;
通过接收所述发送UE利用LBT执行失败的SL发送资源所对应的PUCCH发送的HARQ反馈来接收所述第一指示信息。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的NACK反馈确定为所述第一指示信息;
将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH初次传输的ACK反馈确定为所述第一指示信息;
将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH重复传输的NACK反馈确定为所述第一指示信息。
可选地,在本公开的一个实施例之中,所述第二指示信息包括以下至少一种:
接收UE的层2标识;
所述发送UE利用所述SL发送资源发送的数据所来自的逻辑信道;
所述发送UE与所述接收UE之间的SL是否启动了HARQ重传;
所述SL发送资源对应的HARQ process ID;
第三指示信息,所述第三指示信息指示所述SL发送资源的LBT执行结果为:成功。
可选地,在本公开的一个实施例之中,所述收发模块,还用于:
接收所述发送UE通过LBT执行成功的SL发送资源所对应的PUCCH发送的第二指示信息;
接收所述发送UE通过特定信令发送的第二指示信息。
可选地,在本公开的一个实施例之中,所述特定信令包括以下至少一种:
MAC CE信令;
UCI信令;
RRC信令。
请参见图10,图10是本申请实施例提供的一种通信装置1000的结构示意图。通信装置1000可以 是网络设备,也可以是终端设备,也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等,还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法,具体可以参见上述方法实施例中的说明。
通信装置1000可以包括一个或多个处理器1001。处理器1001可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理,中央处理器可以用于对通信装置(如,基站、基带芯片,终端设备、终端设备芯片,DU或CU等)进行控制,执行计算机程序,处理计算机程序的数据。
可选的,通信装置1000中还可以包括一个或多个存储器1002,其上可以存有计算机程序1004,处理器1001执行所述计算机程序1004,以使得通信装置1000执行上述方法实施例中描述的方法。可选的,所述存储器1002中还可以存储有数据。通信装置1000和存储器1002可以单独设置,也可以集成在一起。
可选的,通信装置1000还可以包括收发器1005、天线1006。收发器1005可以称为收发单元、收发机、或收发电路等,用于实现收发功能。收发器1005可以包括接收器和发送器,接收器可以称为接收机或接收电路等,用于实现接收功能;发送器可以称为发送机或发送电路等,用于实现发送功能。
可选的,通信装置1000中还可以包括一个或多个接口电路1007。接口电路1007用于接收代码指令并传输至处理器1001。处理器1001运行所述代码指令以使通信装置1000执行上述方法实施例中描述的方法。
在一种实现方式中,处理器1001中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路,或者是接口,或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的,也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写,或者,上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中,处理器1001可以存有计算机程序1003,计算机程序1003在处理器1001上运行,可使得通信装置1000执行上述方法实施例中描述的方法。计算机程序1003可能固化在处理器1001中,该种情况下,处理器1001可能由硬件实现。
在一种实现方式中,通信装置1000可以包括电路,所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本申请中描述的处理器和收发器可实现在集成电路(integrated circuit,IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit,ASIC)、印刷电路板(printed circuit board,PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造,例如互补金属氧化物半导体(complementary metal oxide semiconductor,CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor,NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor,PMOS)、双极结型晶体管(bipolar junction transistor,BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是网络设备或者终端设备,但本申请中描述的通信装置的范围并不限于此,而且通信装置的结构可以不受图10的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是:
(1)独立的集成电路IC,或芯片,或,芯片系统或子系统;
(2)具有一个或多个IC的集合,可选的,该IC集合也可以包括用于存储数据,计算机程序的存储部件;
(3)ASIC,例如调制解调器(Modem);
(4)可嵌入在其他设备内的模块;
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等;
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况,可参见图11所示的芯片的结构示意图。图11所示的芯片包括处理器1101和接口1102。其中,处理器1101的数量可以是一个或多个,接口1102的数量可 以是多个。
可选的,芯片还包括存储器1103,存储器1103用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本申请实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件,或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用,可以使用各种方法实现所述的功能,但这种实现不应被理解为超出本申请实施例保护的范围。
本申请还提供一种可读存储介质,其上存储有指令,该指令被计算机执行时实现上述任一方法实施例的功能。
本申请还提供一种计算机程序产品,该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
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程序。在计算机上加载和执行所述计算机程序时,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。所述计算机程序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,所述计算机程序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 disk,SSD))等。
本领域普通技术人员可以理解:本申请中涉及的第一、第二等各种数字编号仅为描述方便进行的区分,并不用来限制本申请实施例的范围,也表示先后顺序。
本申请中的至少一个还可以描述为一个或多个,多个可以是两个、三个、四个或者更多个,本申请不做限制。在本申请实施例中,对于一种技术特征,通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征,该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
本申请中各表所示的对应关系可以被配置,也可以是预定义的。各表中的信息的取值仅仅是举例,可以配置为其他值,本申请并不限定。在配置信息与各参数的对应关系时,并不一定要求必须配置各表中示意出的所有对应关系。例如,本申请中的表格中,某些行示出的对应关系也可以不配置。又例如,可以基于上述表格做适当的变形调整,例如,拆分,合并等等。上述各表中标题示出参数的名称也可以采用通信装置可理解的其他名称,其参数的取值或表示方式也可以通信装置可理解的其他取值或表示方式。上述各表在实现时,也可以采用其他的数据结构,例如可以采用数组、队列、容器、栈、线性表、指针、链表、树、图、结构体、类、堆、散列表或哈希表等。
本申请中的预定义可以理解为定义、预先定义、存储、预存储、预协商、预配置、固化、或预烧制。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
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 (24)

  1. 一种指示方法,其特征在于,所述方法被发送用户设备UE执行,包括:
    接收网络设备调度的非授权频谱上的用于侧行链路SL发送的至少一个SL发送资源;
    对所述SL发送资源执行先听后说LBT;
    基于LBT执行结果向所述网络设备发送指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
  2. 如权利要求1所述的方法,其特征在于,所述对所述SL发送资源执行LBT,包括:
    基于所述SL发送资源监听对应的SL信道,以确定所述SL信道是否具备一段信道占用时间;
    响应于确定所述SL信道具备所述信道占用时间,确定LBT执行成功;
    响应于确定所述SL信道不具备所述信道占用时间,确定LBT执行失败。
  3. 如权利要求1所述的方法,其特征在于,所述基于LBT执行结果向所述网络设备发送指示信息,包括:
    响应于一SL发送资源对应的LBT执行结果为:失败,则发送UE执行以下任一种或多种:
    发送UE忽略SL发送资源;
    向所述网络设备发送所述SL发送资源对应的第一指示信息,以指示发送UE未成功使用所述SL发送资源。
  4. 如权利要求1所述的方法,其特征在于,所述基于LBT执行结果向所述网络设备发送指示信息,包括:
    响应于一SL发送资源对应的LBT执行结果为:成功,则发送UE执行以下任一种或多种:
    利用所述SL发送资源向接收UE发送数据;
    向所述网络设备发送所述SL发送资源对应的第二指示信息,以指示发送UE成功使用所述SL发送资源。
  5. 如权利要求3或4所述的方法,其特征在于,所述方法还包括:
    接收所述网络设备发送的所述SL发送资源对应的自动重传请求进程标识HARQ process ID和/或所述SL发送资源对应的物理上行控制信道PUCCH。
  6. 如权利要求3所述的方法,其特征在于,所述向所述网络设备发送所述SL发送资源对应的第一指示信息的方法包括以下至少一种:
    通过LBT执行失败的SL发送资源所对应的PUCCH向所述网络设备发送第一指示信息,所述第一指示信息指示:传输所述第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败;
    通过特定信令向所述网络设备发送第一指示信息,所述第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID;
    通过特定信令向所述网络设备发送第一指示信息,所述第一指示信息包括比特位图,其中,所述比特位图中的每一比特位对应一HARQ process ID,通过使得不同比特位承载特定比特值以指示所述比特位对应的HARQ process ID所对应的SL发送资源未被成功使用;
    通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来发送所述第一指示信息。
  7. 如权利要求6所述的方法,其特征在于,所述通过LBT执行失败的SL发送资源所对应的PUCCH发送HARQ反馈来发送所述第一指示信息的方法包括以下任一种:
    通过LBT执行失败的SL发送资源所对应的PUCCH发送未确认NACK反馈来发送所述第一指示信息;
    若LBT执行失败的SL发送资源所对应的PUCCH用于初次传输,通过所述PUCCH发送确认ACK反馈来发送所述第一指示信息;
    若LBT执行失败的SL发送资源所对应的PUCCH用于重复传输,通过所述PUCCH发送NACK反馈来发送所述第一指示信息。
  8. 如权利要求4所述的方法,其特征在于,所述第二指示信息包括以下至少一种:
    接收UE的层2标识;
    所述发送UE利用所述SL发送资源发送的数据所来自的逻辑信道;
    所述发送UE与所述接收UE之间的SL是否启动了HARQ重传;
    所述SL发送资源对应的HARQ process ID;
    第三指示信息,所述第三指示信息指示所述SL发送资源的LBT执行结果为:成功。
  9. 如权利要求4所述的方法,其特征在于,所述向所述网络设备发送所述SL发送资源对应的第二指示信息的方法包括以下至少一种:
    通过LBT执行成功的SL发送资源所对应的PUCCH向所述网络设备发送第二指示信息;
    通过特定信令向所述网络设备发送第二指示信息。
  10. 如权利要求6或9所述的方法,其特征在于,所述特定信令包括以下至少一种:
    媒体接入控制控制单元MAC CE信令;
    上行控制信息UCI信令;
    无线资源控制RRC信令。
  11. 一种指示方法,其特征在于,所述方法被网络设备执行,包括:
    向发送UE调度非授权频谱上的用于SL的至少一个SL发送资源;
    接收所述发送UE发送的指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
  12. 如权利要求11所述的方法,其特征在于,所述接收所述发送UE发送的指示信息,包括:
    接收所述发送UE发送的第一指示信息,所述第一指示信息用于指示所述发送UE未成功使用所述第一指示信息对应的SL发送资源。
  13. 如权利要求11所述的方法,其特征在于,所述接收所述发送UE发送的指示信息,包括:
    接收所述发送UE发送的第二指示信息,所述第二指示信息用于指示所述发送UE成功使用所述第二指示信息对应的SL发送资源。
  14. 如权利要求12或13所述的方法,其特征在于,所述方法还包括:
    向所述发送UE发送所述SL发送资源对应的HARQ process ID和/或所述SL发送资源对应的PUCCH。
  15. 如权利要求12所述的方法,其特征在于,所述接收所述发送UE发送的第一指示信息的方法包括以下至少一种:
    接收所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的第一指示信息,其中;所述第一指示信息指示:传输所述第一指示信息的PUCCH所对应的SL发送资源的LBT执行结果为:失败;
    接收所述发送UE通过特定信令发送的第一指示信息,所述第一指示信息包括LBT执行失败的SL发送资源对应的HARQ process ID;
    接收所述发送UE通过特定信令发送的第一指示信息,所述第一指示信息包括比特位图,其中,所述比特位图中的每一比特位对应一HARQ process ID,其中,所述比特位图中承载了特定比特值的比特位用于指示:对应的HARQ process ID所对应的SL发送资源未被成功使用;
    通过接收所述发送UE利用LBT执行失败的SL发送资源所对应的PUCCH发送的HARQ反馈来接收所述第一指示信息。
  16. 如权利要求15所述的方法,其特征在于,所述通过接收所述发送UE利用LBT执行失败的SL发送资源所对应的PUCCH发送的HARQ反馈来接收所述第一指示信息的方法包括以下任一种:
    将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH发送的NACK反馈确定为所述第一指示信息;
    将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH初次传输的ACK反馈确定为所述第一指示信息;
    将所述发送UE通过LBT执行失败的SL发送资源所对应的PUCCH重复传输的NACK反馈确定 为所述第一指示信息。
  17. 如权利要求13所述的方法,其特征在于,所述第二指示信息包括以下至少一种:
    接收UE的层2标识;
    所述发送UE利用所述SL发送资源发送的数据所来自的逻辑信道;
    所述发送UE与所述接收UE之间的SL是否启动了HARQ重传;
    所述SL发送资源对应的HARQ process ID;
    第三指示信息,所述第三指示信息指示所述SL发送资源的LBT执行结果为:成功。
  18. 如权利要求13所述的方法,其特征在于,所述接收所述发送UE发送的第二指示信息的方法包括以下至少一种:
    接收所述发送UE通过LBT执行成功的SL发送资源所对应的PUCCH发送的第二指示信息;
    接收所述发送UE通过特定信令发送的第二指示信息。
  19. 如权利要求15或18所述的方法,其特征在于,所述特定信令包括以下至少一种:
    MAC CE信令;
    UCI信令;
    RRC信令。
  20. 一种通信装置,其特征在于,所述装置包括:
    收发模块,用于接收网络设备调度的非授权频谱上的用于SL发送的至少一个SL发送资源;
    处理模块,用于对所述SL发送资源执行LBT;
    所述收发模块,还用于基于LBT执行结果向所述网络设备发送指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
  21. 一种通信装置,其特征在于,所述装置包括:
    收发模块,用于向发送UE发送非授权频谱上的用于SL的至少一个SL发送资源;
    所述收发模块,还用于接收所述发送UE基于LBT执行结果发送的指示信息,所述指示信息用于指示所述发送UE是否成功使用所述SL发送资源。
  22. 一种通信装置,其特征在于,所述装置包括处理器和存储器,其中,所述存储器中
    存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求1至10或11至19中任一项所述的方法。
  23. 一种通信装置,其特征在于,包括:处理器和接口电路,其中,所述接口电路,用于接收代码指令并传输至所述处理器;
    所述处理器,用于运行所述代码指令以执行如权利要求1至10或11至19中任一项所述的方法。
  24. 一种计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如权利要求1至10或11至19中任一项所述的方法被实现。
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