WO2019196829A1 - 旁链路的操作方法和终端 - Google Patents

旁链路的操作方法和终端 Download PDF

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Publication number
WO2019196829A1
WO2019196829A1 PCT/CN2019/081896 CN2019081896W WO2019196829A1 WO 2019196829 A1 WO2019196829 A1 WO 2019196829A1 CN 2019081896 W CN2019081896 W CN 2019081896W WO 2019196829 A1 WO2019196829 A1 WO 2019196829A1
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Prior art keywords
feedback
sidelink
measurement
reference signal
terminal
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PCT/CN2019/081896
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English (en)
French (fr)
Inventor
纪子超
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to KR1020207032616A priority Critical patent/KR102538259B1/ko
Priority to JP2020556318A priority patent/JP7242701B2/ja
Priority to EP19784410.3A priority patent/EP3780446A4/en
Publication of WO2019196829A1 publication Critical patent/WO2019196829A1/zh
Priority to US17/068,727 priority patent/US11510211B2/en
Priority to US17/970,492 priority patent/US20230040458A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and a terminal for operating a Sidelink.
  • the Long Term Evolution (LTE) system in the related art supports a side link (Sidelink, or a sub-link, a side link, or an edge link, etc.), and Sidelink is used for direct connection between terminals without using a network device. transmission.
  • Sidelink transmission in the LTE system in the related art is based on broadcasting, and the receiving end does not feed back any information to the transmitting end. For example, if only one piece of data is sent, the possibility that the receiving end may not be received for various reasons is large, resulting in low transmission reliability of the system. If the transmitting end broadcasts multiple copies of the same quantity to ensure the reliability of data transmission. Reduce system resource utilization and frequency efficiency. It can be seen that the transmission performance of Sidelink in the related art is relatively poor.
  • the embodiments of the present disclosure provide a method and a terminal for operating a Sidelink to solve the problem that the transmission performance of the Sidelink is relatively poor.
  • an embodiment of the present disclosure provides a method for operating a Sidelink, which is applied to a terminal, including:
  • the Sidelink configuration information includes at least one of feedback configuration information and measurement configuration information
  • At least one of a measurement operation and a feedback operation is performed on the Sidelink according to the Sidelink configuration information.
  • an embodiment of the present disclosure further provides a terminal, including:
  • An acquiring module configured to acquire Sidelink configuration information, where the Sidelink configuration information includes at least one of feedback configuration information and measurement configuration information;
  • an execution module configured to perform at least one of a measurement operation and a feedback operation on the Sidelink according to the Sidelink configuration information.
  • an embodiment of the present disclosure further provides a terminal, including: a memory, a processor, and a computer program stored on the memory and operable on the processor, the computer program being the processor.
  • an embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements the Sidelink provided by the embodiment of the present disclosure. The steps of the method of operation.
  • the Sidelink configuration information is acquired, where the Sidelink configuration information includes at least one of feedback configuration information and measurement configuration information; and the measurement operation and the feedback operation are performed on the Sidelink according to the Sidelink configuration information. At least one. This can improve the transmission performance of Sidelink.
  • FIG. 1 is a structural diagram of a network system to which an embodiment of the present disclosure is applicable;
  • FIG. 2 is a flowchart of a method for operating a Sidelink according to an embodiment of the present disclosure
  • FIG. 3 is a structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 4 is a structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 5 is a structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 1 is a structural diagram of a network system applicable to an embodiment of the present disclosure.
  • the terminal may also be referred to as a terminal device or a user equipment (User Equipment, UE).
  • the terminal may be a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA).
  • PDA personal digital assistant
  • the terminal-side device such as a mobile Internet device (MID), a wearable device, or an in-vehicle device, is not limited to the specific type of the terminal in the embodiment of the present disclosure.
  • MID mobile Internet device
  • wearable device or an in-vehicle device
  • an in-vehicle device is not limited to the specific type of the terminal in the embodiment of the present disclosure.
  • multiple terminals can communicate through Sidelink, for example, data transmission or signaling transmission, and the like.
  • the communication between the multiple terminals through the Sidelink may be one-to-one communication, or may be one-to-many communication, or multiple-to-one communication, which is not limited in this embodiment.
  • the foregoing network system may further include a network side device, and the network side device may communicate with each terminal, for example, signaling transmission or data transmission, and the like.
  • some terminals may not communicate with the network side device, for example, some terminals are outside the network coverage.
  • the network side device may be a base station, for example, a 4G base station, or a 5G base station, or a later version of the base station, or a base station in other communication systems, or a Node B, an evolved Node B, or other words in the field, as long as To achieve the same technical effect, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiment of the present disclosure, only the 5G base station is taken as an example, but the specific type of the network side device is not limited.
  • FIG. 2 is a flowchart of a method for operating a Sidelink according to an embodiment of the present disclosure. The method is applied to a terminal, as shown in FIG. 2, and includes the following steps:
  • Step 201 Acquire side link Sidelink configuration information, where the Sidelink configuration information includes at least one of feedback configuration information and measurement configuration information.
  • the obtaining the Sidelink configuration information may be: acquiring the Sidelink configuration information by means of pre-configuration, signaling sent by the network side, or signaling sent by the peer end.
  • the protocol is pre-defined, or the terminal is pre-configured, and the signaling sent by the network side may be a broadcast signaling, a high-level signaling, a Media Access Control Control Element (MAC CE), or a downlink.
  • Control Information Downlink Control Information, DCI). That is to say, the network side can configure the above Sidelink configuration information through broadcast, dedicated Radio Resource Control (RRC) higher layer signaling, MAC CE or DCI.
  • RRC Radio Resource Control
  • the signaling sent by the peer end may include: Sidelink broadcast channel signaling, Sidelink physical layer control signaling, or Sidelink high layer signaling.
  • the broadcast channel may be a physical sidelink broadcast channel (PSSCH, PSBCH), a side link master information block (SL-MIB), or a side link broadcast control channel (Sidelink).
  • PSSCH physical sidelink broadcast channel
  • SL-MIB side link master information block
  • Sidelink side link broadcast control channel
  • the Sidelink physical layer control signaling may be Sidelink Control Information (SCI)
  • SCI Sidelink Control Information
  • Sidelink high layer signaling may be Sidelink's MAC CE or RRC signaling.
  • the feedback configuration information may be information for configuring a feedback operation of the terminal on the Sidelink, so that the terminal may perform feedback according to the feedback configuration information to improve feedback performance on the Sidelink.
  • the measurement configuration information may be information configured to be configured by the measurement operation of the terminal on the Sidelink, so that the terminal may perform measurement according to the measurement configuration information to improve measurement performance on the Sidelink.
  • Step 202 Perform at least one of a measurement operation and a feedback operation on the Sidelink according to the Sidelink configuration information.
  • the foregoing measurement operation may be: sending a measurement reference signal, or measuring the measurement reference signal, and the feedback operation may be feedback to the opposite end, for example, feedback transmission result, or channel state information. CSI) and so on.
  • the measurement reference signal may be a reference signal used for channel estimation or detection, or may be a synchronization reference signal.
  • the measurement reference signal may also be referred to as a measurement signal.
  • performing at least one of a measurement operation and a feedback operation on the Sidelink may be: performing a feedback operation according to the feedback configuration information, and/or performing a measurement operation according to the measurement configuration information.
  • the above steps can be used to implement at least one of the measurement operation and the feedback operation of the terminal in the Sidelink, so that the receiving end does not feed back any information to the transmitting end, and the transmission performance of the Sidelink can be improved in the embodiment of the present disclosure.
  • the terminals may perform beam pairing according to the physical layer feedback information, and use the paired beams for data transmission, or one terminal may perform data retransmission according to feedback information fed back by another terminal.
  • 802.11p can also be called Wireless Access in the Vehicular Environment (WAVE) system.
  • WAVE Wireless Access in the Vehicular Environment
  • the feedback configuration information includes at least one of the following:
  • the content of the feedback the type of feedback, the period of feedback, and the way the feedback bits are mapped.
  • the content of the feedback may include: at least one of a receiving response and a CSI feedback of a physical side link shared channel (PSSCH);
  • PSSCH physical side link shared channel
  • the type of the feedback may include: periodic feedback, aperiodic feedback, or semi-persistent feedback;
  • the manner of mapping the feedback bits may include at least one of the following:
  • the maximum number of Resource Element (RE) allocated for the feedback bits the rate offset of the feedback bit map (Beta-offset), the maximum number of bits simultaneously fed back, the discarded partial feedback bit configuration, and the bound feedback bit configuration.
  • RE Resource Element
  • the above-mentioned Beta-offset may be a Beta-offset configuration for indicating that the feedback bit and the PSSCH resource mapping are actually used when the feedback bit multiplexes the PSSCH transmission, and the Beta-offset configuration may indicate the RE number allocated to the feedback bit.
  • the Beta-offset indication can improve the interaction performance between the terminals, thereby improving the transmission performance of Sidelink.
  • the discarding part feedback bit is configured to indicate whether part of the feedback bit is discarded, and how to discard part of the feedback bit. For example, the number of bits that need to be fed back in the terminal exceeds the maximum number of bits, or the maximum number of REs allocated for the feedback bit cannot be transmitted. In the case of all the feedback bits, the discarding part feedback bit configuration can be discarded according to the discarding part feedback bit configuration, so that the feedback performance can be ensured. For example, you can discard according to the priority level, or you can discard according to the type.
  • the binding feedback bit is configured to indicate whether to bind the feedback bit, and how to bind the feedback bit. For example, the number of bits that need to be fed back in the terminal exceeds the maximum number of bits, or the maximum number of REs allocated for the feedback bit cannot be transmitted. In the case of all feedback bits, multiple feedback information is bound to a common feedback bit, so that more feedback information with less resource feedback can be implemented to improve the feedback performance of Sidelink. For example, if the maximum number of bits is 2, and the terminal needs to feed back 4 feedback information in some scenarios, the 4 feedback information can be respectively bound to 2 bits for feedback. For example, 1 indicates that both feedback information are successfully received. 0 means that both feedback messages are failed to receive or partially failed.
  • the feedback behavior of the terminal can be clarified through the feedback configuration information, thereby avoiding erroneous feedback to improve the feedback performance of Sidelink.
  • the measurement configuration information includes at least one of the following:
  • Measurement reference signal configuration measurement reference signal transmission configuration, and measurement reference signal measurement configuration
  • the measurement reference signal is configured to indicate at least one of a type, a location, a bandwidth, a period, and a sequence of the measurement reference signal;
  • the measurement reference signal transmission configuration is used to indicate that the measurement reference signal is valid or invalid
  • the measurement reference signal measurement is configured to indicate start or stop of measurement of the measurement reference signal, and to indicate feedback information to start or stop transmitting the measurement reference signal.
  • the sequence of the measurement reference signal may be a sequence of the measurement reference signal, or may be understood as a sequence for generating the measurement reference signal.
  • the validity of the above-mentioned measurement reference signal transmission may be that the measurement reference signal is allowed to be transmitted or the measurement reference signal is sent, and the failure of the measurement reference signal transmission may be understood as prohibiting the transmission of the measurement reference signal.
  • the related information of the measurement reference signal can be determined through the above measurement configuration information, and the transmission behavior, measurement behavior and feedback behavior of the measurement reference signal are determined to avoid an erroneous measurement operation.
  • the method before the at least one of performing measurement and feedback on the Sidelink according to the Sidelink configuration information, the method further includes:
  • a feedback operation is performed according to the feedback configuration information.
  • the foregoing measurement mechanism may be to allow the terminal to perform a measurement operation
  • the feedback mechanism may be to allow the terminal to perform a feedback operation.
  • the measurement mechanism and the feedback mechanism can be flexibly configured, thereby saving power consumption of the terminal and transmitting resources and the like.
  • the measurement mechanism and the feedback mechanism can be disabled in some scenarios to save the work of the terminal. Consumption, and transmission of resources, etc., because some scenes can be feedback and measurement.
  • the measurement mechanism and the feedback mechanism can also be called the action measurement and feedback mechanism. That is to say, the two mechanisms can be jointly enabled or disabled. Of course, this is not limited, for example, it can be enabled in some scenarios. Feedback mechanism to disable the measurement mechanism.
  • the enabling or disabling at least one of a measurement mechanism and a feedback mechanism includes:
  • At least one of the measurement mechanism and the feedback mechanism is enabled or disabled according to the pre-configuration, signaling sent by the network side, or signaling sent by the peer.
  • enabling or disabling at least one of the measurement mechanism and the feedback mechanism may be that the network side device enables or disables the measurement mechanism by using broadcast or dedicated RRC high layer signaling, MAC CE or DCI.
  • the signaling sent by the peer end, enabling or disabling at least one of the measurement mechanism and the feedback mechanism may be that the sender requests the receiver by signaling, enabling or disabling the measurement mechanism and At least one of the feedback mechanisms.
  • the signaling sent by the network side may include:
  • Broadcast signaling high layer signaling, MAC CE or DCI;
  • the signaling sent by the peer end may include:
  • Sidelink broadcast channel signaling Sidelink broadcast control channel signaling, Sidelink physical layer control signaling, or Sidelink high layer signaling.
  • At least one of the measurement mechanism and the feedback mechanism can be flexibly enabled or disabled to improve the transmission performance of the Sidelink.
  • the measurement mechanism and the feedback mechanism are enabled or disabled, and the above Sidelink configuration information may be configured through the same signaling, which may save transmission overhead, and may also be through different methods or different letters.
  • the configuration of the Sidelink configuration information, as well as the activation and deactivation of the measurement mechanism and the feedback mechanism, are not limited.
  • the terminal may validate the configuration in the signaling sent by the network side, that is, the configuration coverage in the signaling sent by the network side. The content in the pre-configuration.
  • the method before the at least one of the measurement mechanism and the feedback mechanism is enabled or disabled according to the pre-configuration, signaling sent by the network side, or signaling sent by the peer, the method further includes: At least one of the following:
  • the capability information is used to indicate at least one of the following:
  • the foregoing support measurement may be whether the measurement reference signal is supported, or whether the measurement reference signal is supported.
  • the type of the support measurement may be a type of the supported measurement reference signal, and the content of the support measurement may be a support measurement. The content of the reference signal.
  • the capability information for broadcasting the terminal by using the Sidelink may be that the capability information of the terminal is notified to the surrounding terminal (for example, the surrounding receiving end) by the Sidelink broadcast.
  • the capability information of the terminal is sent to the network side or the surrounding terminal, so that the network side can perform corresponding configuration according to the capability information, so as to improve performance of the communication system and avoid erroneous configuration, and the surrounding terminal can
  • the capability information of the terminal is transmitted in Sidelink to improve the transmission performance of Sidelink.
  • the performing the feedback operation on the Sidelink includes:
  • the feedback bit and the feedback indication information are transmitted on at least one of the SCI, the SCI scheduled PSSCH, and the MAC CE on the Sidelink.
  • the feedback bit and the feedback indication information may be transmitted by any one of the SCI, the SCI scheduled PSSCH, and the MAC CE, or may be the feedback bit in the SCI, the SCI scheduled PSSCH, and the MAC CE. Some objects are transmitted, and the feedback indication information is transmitted in another part of the object, which is not limited thereto. Optionally, the foregoing feedback indication information is transmitted in the foregoing SCI. Of course, the SCI may transmit or not transmit feedback bits in addition to the foregoing feedback indication information.
  • the terminal may carry or transmit the feedback bit in the SCI, and may also implement that the terminal carries the feedback bit in the PSSCH scheduled by the SCI (ie, the feedback bit is multiplexed in the PSSCH), and indicates whether the SCI is in the scheduled SCI.
  • the terminal may carry or transmit the feedback bit in the SCI, and may also implement that the terminal carries the feedback bit in the PSSCH scheduled by the SCI (ie, the feedback bit is multiplexed in the PSSCH), and indicates whether the SCI is in the scheduled SCI.
  • MAC layer signaling for example, MAC CE
  • the feedback indication information includes at least one of the following:
  • the type or content of the feedback, the received object of the feedback, and the PSSCH transmission process number of the response feedback are the type or content of the feedback, the received object of the feedback, and the PSSCH transmission process number of the response feedback;
  • the type or content of the feedback includes: at least one of a response to receive a PSSCH and a CSI feedback;
  • the receiving object of the feedback includes: an ID of the receiving end, a group ID of the receiving end, a fixed ID allocated by the network to the receiving end, a temporary ID allocated by the network to the receiving end, or a truncated ID of the receiving end (truncated ID)
  • the receiving end is a terminal that performs feedback.
  • the response to receive the PSSCH may be a HARQ-ACK or other response, and the CSI feedback may include: a Channel Quality Indicator (CQI), a Precoding Matrix Indicator (PMI), and a CSI-RS resource indication ( At least one of a CSI-RS resource indicator (CRI), a Rank Indication (RI), a Layer Indication (LI), and a Layer 1 Reference Signal Received Power (L1-RSRP)
  • the CSI-RS is a Channel Condition Information Reference Signal.
  • the foregoing receiving end may be a terminal applied in the embodiment of the present disclosure, because in the PSSCH transmission or signaling transmission process, the foregoing terminal may serve as a transmitting end or a receiving end.
  • the receiving end may also be another terminal that performs feedback, which is not limited thereto.
  • the temporary ID may be a Radio Network Temporary Identity (RNTI).
  • the feedback performance of Sidelink can be improved by the receiving object of the above feedback.
  • the performing the measurement operation on the Sidelink includes at least one of the following:
  • the measurement reference signal sent by the opposite end on the Sidelink is measured.
  • the terminal can send the measurement reference signal to the opposite end, so that the opposite end can perform measurement, and then the measurement result can be fed back.
  • the measurement reference signal sent by the opposite end can also be measured, and then the feedback result can be fed back to the opposite end to improve the measurement performance of the Sidelink, and the feedback measurement result can be used for transmission adaptation, for example: Beam pairing, which in turn increases system resource utilization and spectrum efficiency.
  • the method further includes:
  • the PSSCH data is transmitted by using the corresponding transmission manner
  • the use situation is that the feedback mechanism is enabled, in the transmission mode, if the reception of the peer feedback fails, the PSSCH data that fails to be received is retransmitted;
  • the usage is a deactivation feedback mechanism, in the transmission mode, performing blind retransmission on the PSSCH data, where the blind retransmission refers to transmitting multiple copies of the same transport block, the multiple copies
  • the same transport block is a transport block of the same PSSCH data, or the blind retransmission refers to transporting multiple transport copies of different redundancy versions, and the transport blocks of the different redundant versions are the same PSSCH data transmission.
  • the usage of the feedback mechanism of the peer end may be that the peer end is sent by the Sidelink, or may be configured by the network side, or may be pre-configured, etc., which is not limited.
  • the corresponding transmission mode may be used for transmission to improve the success rate of data transmission. For example, if the peer end enables the feedback mechanism, in the transmission mode, if the reception of the peer feedback fails, the PSSCH data that fails to be received is retransmitted, and if the reception of the peer feedback is successful, Each PSSCH data needs to be transmitted only once, which can save transmission resources. If the usage is to disable the feedback mechanism, blind transmission may be performed, that is, multiple transmission blocks of one PSSCH data may be transmitted, wherein the multiple transmission blocks may be the same transmission block, or may be multiple different redundancy versions. Transport block.
  • the operator closes the physical layer measurement and feedback mechanism in the sidelink pre-configuration parameters.
  • UE-1 works outside the network coverage according to the pre-configuration information, and performs physical layer broadcast-based mechanism transmission on the sidelink.
  • the synchronization signal can be simultaneously broadcast to the receiving UE to synchronize and receive data according to the mechanism in the related art.
  • the UE-1 moves into the network coverage and receives the configuration information broadcasted by the network side device.
  • the broadcast configuration enables the physical layer measurement and feedback mechanism, and provides measurement configuration information and feedback configuration information, and the configuration information of the UE-1 effective broadcast.
  • UE-1 informs the surrounding UE of its ability to support measurement and feedback on the sidelink, informs it to enable the measurement and feedback mechanism, and sends a measurement reference signal to request the receiving UE to send feedback.
  • the request may include measuring a reference signal configuration, feedback configuration information, and the like.
  • UE-1 synchronizes with a certain transmitting UE-2 through the sidelink synchronization signal to acquire its measurement and feedback capability and configuration information. If the transmitting end UE-2 enables the measurement reference signal, the signal is measured.
  • UE-1 receives the unicast PSSCH transmitted by UE-2, it receives the demodulation result (for example, HARQ-ACK) through the sidelink feedback PSSCH.
  • the demodulation result for example, HARQ-ACK
  • the UE-1 feeds back the sidelink measurement result to the UE-2 according to the configuration information of the measurement and feedback sent by the UE-2.
  • UE-2 also feeds the HARQ-ACK and sidelink measurement results to UE-1 through sidelink.
  • UE-1 and UE-2 move to the network coverage, access the network, and report the sidelink capability.
  • UE-1 supports the transmission of measurement reference signals and feedback capabilities, and UE-2 only supports feedback capabilities.
  • the network side enables and configures the feedback configuration of UE-1 and UE-2 through RRC signaling, and enables and configures the sidelink measurement reference signal configuration of UE-1.
  • UE-1 sends a measurement reference signal on the sidelink according to the network side configuration.
  • UE-2 Upon receiving the unicast PSSCH sent by UE-1, UE-2 feeds back HARQ-ACK through sidelink.
  • UE-1 also feeds back HARQ-ACK to UE-2 through sidelink.
  • UE-1 and UE-2 move to the network coverage, access the network, and report the sidelink capability.
  • UE-1 supports the transmission of measurement reference signals and feedback capabilities, and UE-2 does not support feedback capabilities.
  • the network side enables and configures the feedback configuration of UE-1 through RRC signaling, and enables and configures the sidelink measurement reference signal configuration of UE-1.
  • UE-1 sends a measurement reference signal on the sidelink according to the network side configuration.
  • UE-2 informs the neighboring receiving UE through the sidelink broadcast that it does not enable or support sidelink feedback.
  • UE-1 knows that UE-2 does not enable sidelink feedback by receiving broadcast information of UE-2. If UE-1 needs to transmit a PSSCH to UE-2, UE-1 may transmit the PSSCH by broadcasting multiple copies of the same number (ie, blind retransmission).
  • UE-2 receives the PSSCH transmitted by UE-1, it attempts to demodulate or combine multiple received PSSCHs, but does not feed HARQ-ACK through sidelink.
  • the Sidelink configuration information is acquired, where the Sidelink configuration information includes at least one of feedback configuration information and measurement configuration information; and the measurement operation and the feedback operation are performed on the Sidelink according to the Sidelink configuration information. At least one. This can improve the transmission performance of Sidelink.
  • FIG. 3 is a structural diagram of a terminal according to an embodiment of the present disclosure. As shown in FIG. 3, the terminal 300 includes:
  • the obtaining module 301 is configured to acquire Sidelink configuration information, where the Sidelink configuration information includes at least one of feedback configuration information and measurement configuration information;
  • the executing module 302 is configured to perform at least one of a measurement operation and a feedback operation on the Sidelink according to the Sidelink configuration information.
  • the feedback configuration information includes at least one of the following:
  • the content of the feedback the type of feedback, the period of feedback, and the way the feedback bits are mapped.
  • the content of the feedback includes: at least one of a receiving response of the PSSCH and a CSI feedback;
  • the types of the feedback include: periodic feedback, aperiodic feedback or semi-persistent feedback;
  • the manner of mapping the feedback bits includes at least one of the following:
  • the measurement configuration information includes at least one of the following:
  • Measurement reference signal configuration measurement reference signal transmission configuration, and measurement reference signal measurement configuration
  • the measurement reference signal is configured to indicate at least one of a type, a location, a bandwidth, a period, and a sequence of the measurement reference signal;
  • the measurement reference signal transmission configuration is used to indicate that the measurement reference signal is valid or invalid
  • the measurement reference signal measurement is configured to indicate start or stop of measurement of the measurement reference signal, and to indicate feedback information to start or stop transmitting the measurement reference signal.
  • the terminal 300 further includes:
  • the enabling module 303 is configured to enable or disable at least one of a measurement mechanism and a feedback mechanism
  • the execution module 302 includes:
  • the measuring unit 3021 is configured to perform a measurement operation according to the measurement configuration information when the measurement mechanism is enabled;
  • the feedback unit 3022 is configured to perform a feedback operation according to the feedback configuration information when the feedback mechanism is enabled.
  • the enabling module 303 is configured to enable or disable at least one of a measurement mechanism and a feedback mechanism according to the pre-configuration, the signaling sent by the network side, or the signaling sent by the peer.
  • the obtaining module 301 is configured to obtain Sidelink configuration information by using pre-configuration, signaling sent by the network side, or signaling sent by the peer.
  • the signaling sent by the network side includes:
  • the signaling sent by the peer end includes:
  • Sidelink broadcast channel signaling Sidelink broadcast control channel signaling, Sidelink physical layer control signaling, or Sidelink high layer signaling.
  • the terminal 300 further includes at least one of the following:
  • the first reporting module 304 is configured to report, by using RRC signaling, the capability information of the terminal to the network side;
  • a second reporting module 305 configured to broadcast capability information of the terminal by using the Sidelink
  • the capability information is used to indicate at least one of the following:
  • the performing the feedback operation on the Sidelink includes:
  • the feedback bit and the feedback indication information are transmitted on at least one of the SCI, the SCI scheduled PSSCH, and the MAC CE on the Sidelink.
  • the feedback indication information includes at least one of the following:
  • the type or content of the feedback, the received object of the feedback, and the PSSCH transmission process number of the response feedback are the type or content of the feedback, the received object of the feedback, and the PSSCH transmission process number of the response feedback;
  • the type or content of the feedback includes: at least one of a response to receive a PSSCH and a CSI feedback;
  • the receiving object of the feedback includes: an ID of the receiving end, a group ID of the receiving end, a fixed ID allocated by the network to the receiving end, a temporary ID allocated by the network to the receiving end, or a truncated ID of the receiving end,
  • the receiving end is a terminal that performs feedback.
  • the performing the measuring operation on the Sidelink includes at least one of the following:
  • the measurement reference signal sent by the opposite end on the Sidelink is measured.
  • the terminal further includes:
  • the sending module 306 is configured to send the PSSCH data by using a corresponding transmission manner according to the usage of the feedback mechanism of the peer end;
  • the use situation is that the feedback mechanism is enabled, in the transmission mode, if the reception of the peer feedback fails, the PSSCH data that fails to be received is retransmitted;
  • the usage is a deactivation feedback mechanism, in the transmission mode, performing blind retransmission on the PSSCH data, where the blind retransmission refers to transmitting multiple copies of the same transport block, the multiple copies
  • the same transport block is a transport block of the same PSSCH data, or the blind retransmission refers to transporting multiple transport copies of different redundancy versions, and the transport blocks of the different redundant versions are the same PSSCH data transmission.
  • the terminal provided by the embodiment of the present disclosure can implement various processes implemented by the terminal in the method embodiment of FIG. 2. To avoid repetition, details are not described herein, and the transmission performance of Sidelink can be improved.
  • FIG. 7 is a schematic structural diagram of hardware of a terminal that implements various embodiments of the present disclosure.
  • the terminal 700 includes, but is not limited to, a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, and a power supply. 711 and other components.
  • a radio frequency unit 701 for example, a radio frequency unit
  • a network module 702 for example, a Wi-Fi Protected Access 2
  • an input unit 704 a sensor
  • a display unit 706 a user input unit 707
  • an interface unit 708 a memory 709
  • a processor 710 and a power supply. 711 and other components.
  • the terminal structure shown in FIG. 7 does not constitute a limitation to the terminal, and the terminal may include more or less components than those illustrated, or some components may be combined, or different component arrangements.
  • the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer
  • the terminal is the first terminal defined by the embodiment of the disclosure
  • the processor 710 is configured to acquire Sidelink configuration information, where the Sidelink configuration information includes at least one of feedback configuration information and measurement configuration information.
  • the radio frequency unit 701 is configured to perform at least one of a measurement operation and a feedback operation on the Sidelink according to the Sidelink configuration information.
  • the feedback configuration information includes at least one of the following:
  • the content of the feedback the type of feedback, the period of feedback, and the way the feedback bits are mapped.
  • the content of the feedback includes: at least one of a receiving response of a physical side link shared channel PSSCH and channel state information CSI feedback;
  • the types of the feedback include: periodic feedback, aperiodic feedback or semi-persistent feedback;
  • the manner of mapping the feedback bits includes at least one of the following:
  • the measurement configuration information includes at least one of the following:
  • Measurement reference signal configuration measurement reference signal transmission configuration, and measurement reference signal measurement configuration
  • the measurement reference signal is configured to indicate at least one of a type, a location, a bandwidth, a period, and a sequence of the measurement reference signal;
  • the measurement reference signal transmission configuration is used to indicate that the measurement reference signal is valid or invalid
  • the measurement reference signal measurement is configured to indicate start or stop of measurement of the measurement reference signal, and to indicate feedback information to start or stop transmitting the measurement reference signal.
  • the processor 710 is further configured to:
  • the performing, by the radio unit 701, performing at least one of a measurement operation and a feedback operation on the Sidelink according to the Sidelink configuration information including:
  • a feedback operation is performed according to the feedback configuration information.
  • At least one of the enabling or disabling measurement mechanism and the feedback mechanism performed by the processor 710 includes:
  • At least one of the measurement mechanism and the feedback mechanism is enabled or disabled according to the pre-configuration, signaling sent by the network side, or signaling sent by the peer.
  • the acquiring the Sidelink configuration information that is executed by the processor 710 includes:
  • the Sidelink configuration information is obtained through pre-configuration, signaling sent by the network side, or signaling sent by the peer.
  • the signaling sent by the network side includes:
  • the signaling sent by the peer end includes:
  • Sidelink broadcast channel signaling Sidelink broadcast control channel signaling, Sidelink physical layer control signaling, or Sidelink high layer signaling.
  • the radio frequency unit 701 is further configured to perform at least one of the following: item:
  • the capability information is used to indicate at least one of the following:
  • the performing the feedback operation on the Sidelink includes:
  • the feedback bit and the feedback indication information are transmitted on the Sidelink by at least one of the side link control information SCI, the PSSCH scheduled by the SCI, and the MAC CE.
  • the feedback indication information includes at least one of the following:
  • the type or content of the feedback, the received object of the feedback, and the PSSCH transmission process number of the response feedback are the type or content of the feedback, the received object of the feedback, and the PSSCH transmission process number of the response feedback;
  • the type or content of the feedback includes: at least one of a response to receive a PSSCH and a CSI feedback;
  • the receiving object of the feedback includes: an ID of the receiving end, a group ID of the receiving end, a fixed ID allocated by the network to the receiving end, a temporary ID allocated by the network to the receiving end, or a truncated ID of the receiving end,
  • the receiving end is a terminal that performs feedback.
  • the performing the measuring operation on the Sidelink includes at least one of the following:
  • the measurement reference signal sent by the opposite end on the Sidelink is measured.
  • the radio frequency unit 701 is further configured to:
  • the PSSCH data is transmitted by using the corresponding transmission manner
  • the use situation is that the feedback mechanism is enabled, in the transmission mode, if the reception of the peer feedback fails, the PSSCH data that fails to be received is retransmitted;
  • the usage is a deactivation feedback mechanism, in the transmission mode, performing blind retransmission on the PSSCH data, where the blind retransmission refers to transmitting multiple copies of the same transport block, the multiple copies
  • the same transport block is a transport block of the same PSSCH data, or the blind retransmission refers to transporting multiple transport copies of different redundancy versions, and the transport blocks of the different redundant versions are the same PSSCH data transmission.
  • the above terminals can improve the transmission performance of Sidelink.
  • the radio frequency unit 701 can be used for receiving and transmitting signals during the transmission and reception of information or during a call. Specifically, after receiving downlink data from the base station, the processing is processed by the processor 710; The uplink data is sent to the base station.
  • radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio unit 701 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides the user with wireless broadband Internet access through the network module 702, such as helping the user to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 703 can convert the audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as a sound. Moreover, the audio output unit 703 can also provide audio output (eg, call signal reception sound, message reception sound, etc.) related to a particular function performed by the terminal 700.
  • the audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 704 is for receiving an audio or video signal.
  • the input unit 704 may include a graphics processing unit (GPU) 7041 and a microphone 7042 that images an still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode.
  • the data is processed.
  • the processed image frame can be displayed on the display unit 706.
  • the image frames processed by the graphics processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702.
  • the microphone 7042 can receive sound and can process such sound as audio data.
  • the processed audio data can be converted to a format output that can be transmitted to the mobile communication base station via the radio unit 701 in the case of a telephone call mode.
  • Terminal 700 also includes at least one type of sensor 705, such as a light sensor, motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 7061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 7061 and/or when the terminal 700 moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • sensor 705 may also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be described here.
  • the display unit 706 is for displaying information input by the user or information provided to the user.
  • the display unit 706 can include a display panel 7061.
  • the display panel 7061 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the user input unit 707 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal.
  • the user input unit 707 includes a touch panel 7071 and other input devices 7072.
  • the touch panel 7071 also referred to as a touch screen, can collect touch operations on or near the user (such as a user using a finger, a stylus, or the like on the touch panel 7071 or near the touch panel 7071. operating).
  • the touch panel 7071 may include two parts of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the touch panel 7071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 707 may also include other input devices 7072.
  • the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, which are not described herein.
  • the touch panel 7071 can be overlaid on the display panel 7061. After the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch panel 7071 is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 according to the touch. The type of event provides a corresponding visual output on display panel 7061.
  • the touch panel 7071 and the display panel 7061 are used as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated. The input and output functions of the terminal are implemented, and are not limited herein.
  • the interface unit 708 is an interface in which an external device is connected to the terminal 700.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
  • the interface unit 708 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the terminal 700 or can be used at the terminal 700 and external devices Transfer data between.
  • Memory 709 can be used to store software programs as well as various data.
  • the memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
  • memory 709 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the processor 710 is the control center of the terminal, which connects various parts of the entire terminal using various interfaces and lines, and executes by executing or executing software programs and/or modules stored in the memory 709, and calling data stored in the memory 709.
  • the processor 710 can include one or more processing units; optionally, the processor 710 can integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and a modulation solution
  • the processor mainly handles wireless communication. It will be appreciated that the above described modem processor may also not be integrated into the processor 710.
  • the terminal 700 may further include a power source 711 (such as a battery) for supplying power to various components.
  • a power source 711 such as a battery
  • the power source 711 may be logically connected to the processor 710 through a power management system to manage charging, discharging, and power management through the power management system. And other functions.
  • the terminal 700 includes some functional modules not shown, and details are not described herein again.
  • an embodiment of the present disclosure further provides a terminal, including a processor 710, a memory 709, a computer program stored on the memory 709 and executable on the processor 710, where the computer program is executed by the processor 710.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements various processes of the operation method of the Sidelink provided by the embodiment of the present disclosure, And can achieve the same technical effect, in order to avoid repetition, no longer repeat here.
  • the computer readable storage medium such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better.
  • Implementation Based on such understanding, the technical solution of the present disclosure, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.

Abstract

本公开实施例提供一种Sidelink的操作方法和终端，该方法包括：获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。

Description

旁链路的操作方法和终端
相关申请的交叉引用
本申请主张在2018年4月13日在中国提交的中国专利申请号No.201810332849.7的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种Sidelink的操作方法和终端。
背景技术
相关技术中的长期演进(Long Term Evolution，LTE)系统支持旁链路(Sidelink，或译为副链路、侧链路或者边链路等)，Sidelink用于终端之间不通过网络设备进行直接传输。然而，相关技术中的LTE系统中Sidelink传输是基于广播进行的，接收端并不向发送端反馈任何信息。例如：只发送一份数据，接收端可能因为各种原因接收不到的可能性较大，导致系统的传输可靠性较低，如果发送端通过广播多份相同的数量来保证数据发送的可靠性，降低了系统的资源利用率与频率效率。可见，相关技术中的Sidelink的传输性能比较差。
发明内容
本公开实施例提供一种Sidelink的操作方法和终端，以解决Sidelink的传输性能比较差的问题。
第一方面，本公开实施例提供了一种Sidelink的操作方法，应用于终端，包括：
获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；
根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。
第二方面，本公开实施例还提供了一种终端，包括：
获取模块，用于获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；
执行模块，用于根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。
第三方面，本公开实施例还提供了一种终端，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现本公开实施例提供的Sidelink的操作方法中的步骤。
第四方面，本公开实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现本公开实施例提供的Sidelink的操作方法的步骤。
本公开实施例中，获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。从而可以提高Sidelink的传输性能。
附图说明
图1是本公开实施例可应用的一种网络系统的结构图；
图2是本公开实施例提供的一种Sidelink的操作方法的流程图；
图3是本公开实施例提供的一种终端的结构图；
图4是本公开实施例提供的另一种终端的结构图；
图5是本公开实施例提供的另一种终端的结构图；
图6是本公开实施例提供的另一种终端的结构图；
图7是本公开实施例提供的另一种终端的结构图。
具体实施方式
请参见图1，图1是本公开实施例可应用的一种网络系统的结构图，如图1所示，包括多个终端。其中，终端也可以称作终端设备或者用户终端(User Equipment，UE)，终端可以是手机、平板电脑(Tablet Personal Computer)、 膝上型电脑(Laptop Computer)、个人数字助理(Personal Digital Assistant，PDA)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备等终端侧设备，需要说明的是，在本公开实施例中并不限定终端的具体类型。本公开实施例中，多个终端之间可以通过Sidelink进行通信，例如：数据传输或者信令传输等等。另外，多个终端之间通过Sidelink进行的通信可以是，一对一进行通信，也可以是一对多进行通信，或者多对一进行通信，对此本公开实施例不作限定。当然，上述网络系统还可以包括网络侧设备，网络侧设备可以与各终端进行通信，例如：信令传输或者数据传输等等。当然，在一些场景中，也可以是某些终端与网络侧设备无法进行通信，例如：某些终端在网络覆盖范围之外。网络侧设备可以是基站，例如：4G基站，或者5G基站，或者以后版本的基站，或者其他通信系统中的基站，或者称之为节点B，演进节点B，或者所述领域中其他词汇，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本公开实施例中仅以5G基站为例，但是并不限定网络侧设备的具体类型。
请参见图2，图2是本公开实施例提供的一种Sidelink的操作方法的流程图，该方法应用于终端，如图2所示，包括以下步骤：
步骤201、获取旁链路Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项。
其中，上述获取Sidelink配置信息可以是通过预配置、网络侧发送的信令或者对端发送的信令等方式，获取Sidelink配置信息。例如：协议预先定义的，或者终端预先配置的，而上述网络侧发送的信令可以是广播信令、高层信令、媒体接入控制的控制单元(Media Access Control Control Element，MAC CE)或者下行控制信息(Downlink Control Information，DCI)。也就是说，网络侧可以通过广播、专用的无线资源控制(Radio Resource Control，RRC)高层信令、MAC CE或DCI配置上述Sidelink配置信息。而上述对端发送的信令可以包括：Sidelink广播信道信令、Sidelink物理层控制信令或者Sidelink高层信令。其中，上述广播信道可以是物理旁链路广播信道(Physical Sidelink Broadcast Channel，PSSCH，PSBCH)，旁链路主信息块(Sidelink Master Information Block，SL-MIB)，或者旁链路广播控制信道(Sidelink  Broadcast Control Channel，SBCCH)，上述Sidelink物理层控制信令可以是旁链路控制信息(Sidelink Control Information，SCI)，而上述Sidelink高层信令可以是Sidelink的MAC CE，或者RRC信令。
上述反馈配置信息可以是用于对终端在Sidelink上的反馈操作进行配置的信息，从而终端可以根据该反馈配置信息进行反馈，以提高Sidelink上的反馈性能。上述测量配置信息可以是用于以终端在Sidelink上的测量操作进行配置的信息，从而终端可以根据该测量配置信息进行测量，以提高Sidelink上的测量性能。
步骤202、根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。
其中，上述测量操作可以是发送测量参考信号，或者对测量参考信号进行测量等，而上述反馈操作，可以是向对端进行反馈，例如：反馈传输结果，或者反馈信道状态信息(channel state information，CSI)等等。
本公开实施例中，测量参考信号可以是用于信道估计或者探测的参考信号，也可以是同步参考信号。另外，本公开实施例中，测量参考信号也可以称作测量信号。
而上述根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项可以是，根据反馈配置信息进行反馈操作，和/或，根据测量配置信息进行测量操作。
通过上述步骤可以实现终端在Sidelink进行测量操作和反馈操作中的至少一项，从而相比相关技术接收端并不向发送端反馈任何信息，本公开实施例中，可以提高Sidelink的传输性能。
另外，由于在Sidelink上可以进行测量操作和反馈操作，从实现第一终端与对端建立物理层点对点连接，并支持终端在Sidelink上进行物理层单播传输，以及反馈重传应答或者CSI等信息，进而终端之间还可以进行波束配对，以提高系统资源利用率与频谱效率，达到提高Sidelink的传输性能的效果。例如：终端之间可以根据上述物理层反馈信息进行波束配对，并采用配对的波束进行数据传输，或者一个终端可以根据另一个终端反馈的反馈信息进行数据重传等。
需要说明的是，本公开实施例中提供的上述方法可以应用于LTE的Sidelink或5G NR Sidelink或者802.11p或者专用短程通信技术(Dedicated Short Range Communications，DSRC)等系统。其中，802.11p又可以称作车载环境中的无线接入(Wireless Access in the Vehicular Environment，WAVE)系统。但对此不作限定，只要能够实现基本相同的功能，适用于其他通信系统，例如：可以应用6G系统或者其他应用Sidelink的通信系统等等。
作为一种可选的实施方式，所述反馈配置信息包括如下至少一项：
反馈的内容、反馈的类型、反馈的周期和反馈比特的映射方式。
其中，所述反馈的内容可以包括：物理旁链路共享信道(Physical Sidelink Shared Channel，PSSCH)的接收应答和CSI反馈中的至少一项；
所述反馈的类型可以包括：周期反馈、非周期反馈或者半持久性(Semi-Persistent)反馈；
所述反馈比特的映射方式可以包括如下至少一项：
为反馈比特分配的最大资源单元(Resource Element，RE)数、反馈比特映射的码率偏移(Beta-offset)、同时反馈的最大比特数、丢弃部分反馈比特配置和绑定反馈比特配置。
其中，上述Beta-offset可以是用于指示当反馈比特复用PSSCH传输时，反馈比特与PSSCH的资源映射实际使用的Beta-offset配置，该Beta-offset配置可以指示分配给反馈比特的RE数，通过该Beta-offset指示可以提高终端之间交互性能，进而提高Sidelink的传输性能。
其中，上述丢弃部分反馈比特配置用于指示是否丢弃部分反馈比特，以及指示如何丢弃部分反馈比特，例如：可以在终端需要反馈的比特超过最大比特数，或者为反馈比特分配的最大RE数无法传输所有反馈比特的情况下，可以根据该丢弃部分反馈比特配置进行丢弃，由于是根据丢弃部分反馈比特配置进行丢弃的，从而可以保证反馈性能。例如：可以按照优先级别进行丢弃，或者可以按照类型进行丢弃等。
其中，上述绑定反馈比特配置用于指示是否绑定反馈比特，以及指示如何绑定反馈比特，例如：可以在终端需要反馈的比特超过最大比特数，或者为反馈比特分配的最大RE数无法传输所有反馈比特的情况下，将多个反馈 信息绑定在共同的反馈比特上，从而可以实现采用较少的资源反馈较多的反馈信息，以提高Sidelink的反馈性能。例如：最大比特数为2，终端在某些场景需要反馈4个反馈信息，则可以4个反馈信息分别绑定至2个比特上进行反馈，例如：1表示2个反馈信息均为接收成功，0表示2个反馈信息均为接收失败或者部分接收失败。
该实施方式中，可以实现通过上述反馈配置信息明确终端的反馈行为，从而避免错误的反馈，以提高Sidelink的反馈性能。
作为一种可选的实施方式，所述测量配置信息包括如下至少一项：
测量参考信号配置、测量参考信号发送配置和测量参考信号测量配置；
其中，所述测量参考信号配置用于指示测量参考信号的类型、位置、带宽、周期和序列中的至少一项；
所述测量参考信号发送配置用于指示测量参考信号发送的生效或者失效；
所述测量参考信号测量配置用于指示对测量参考信号的测量的启动或者停止，以及指示启动或者停止发送所述测量参考信号的反馈信息。
其中，上述测量参考信号的序列可以是，上述测量参考信号的序列生成，或者可以理解为生成上述测量参考信号的序列。
上述测量参考信号发送的生效可以是，允许发送测量参考信号或者指示发送测量参考信号，上述测量参考信号发送的失效可以理解为，禁止发送测量参考信号。
该实施方式中，通过上述测量配置信息可以确定测量参考信号的相关信息，以及确定测量参考信号的发送行为、测量行为和反馈行为，以避免错误的测量操作发生。
作为一种可选的实施方式，所述根据所述Sidelink配置信息，在Sidelink上进行测量和反馈中的至少一项之前，所述方法还包括：
启用或者停用测量机制和反馈机制中的至少一项；
所述根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项，包括：
在启用所述测量机制的情况下，根据所述测量配置信息进行测量操作；
在启用所述反馈机制的情况下，根据所述反馈配置信息进行反馈操作。
其中，上述测量机制可以是允许终端进行测量操作，上述反馈机制可以是允许终端进行反馈操作。
该实施方式中，可以实现灵活地配置测量机制和反馈机制，从而可以达到节约终端的功耗，以及传输资源等效果，例如：在一些场景可以停用测量机制和反馈机制，以节约终端的功耗，以及传输资源等效果，因为，有些场景是可以不进行反馈和测量的。
需要说明的是，测量机制和反馈机制也可以称作用测量与反馈机制，也就是说，这两种机制可以是共同启用或者停用，当然，对此不作限定，例如：在某些场景可以启用反馈机制，停用测量机制。
可选的，所述启用或者停用测量机制和反馈机制中的至少一项，包括：
根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项。
上述根据网络侧发送的信令，启用或者停用测量机制和反馈机制中的至少一项可以是，网络侧设备通过广播或专用的RRC高层信令，MAC CE或DCI来启用或者停用测量机制和反馈机制中的至少一项；上述对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项可以是，发送端通过信令请求接收端，启用或者停用测量机制和反馈机制中的至少一项。
其中，所述网络侧发送的信令可以包括：
广播信令、高层信令、MAC CE或者DCI；
所述对端发送的信令可以包括：
Sidelink广播信道信令、Sidelink广播控制信道信令、Sidelink物理层控制信令或者Sidelink高层信令。
该实施方式中，可以实现灵活地启用或者停用测量机制和反馈机制中的至少一项，以提高Sidelink的传输性能。
另外，需要说明的是，启用或者停用测量机制和反馈机制，上述Sidelink配置信息可以是通过同一信令完成配置的，这样可以节约传输开销，当然，也可以是通过不同的方式或者不同的信令来实现Sidelink配置信息的配置，以及测量机制和反馈机制的启用和停用，对此不作限定。
另外，如果终端接收到网络侧发送的信令，且终端还可以有预配置内容， 则终端可以生效网络侧发送的信令中的配置，也就是说，网络侧发送的信令中的配置覆盖预配置中的内容。
作为一种可选的实施方式，所述根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项之前，所述方法还包括如下至少一项：
通过RRC信令向网络侧上报所述终端的能力信息；
通过所述Sidelink广播所述终端的能力信息；
其中，所述能力信息用于表示如下至少一项：
是否支持测量、是否支持反馈、支持测量的类型、支持测量的内容、支持反馈的类型和支持反馈的内容。
其中，上述是否支持测量可以是，是否支持发送测量参考信号，或者是否支持对测量参考信号进行测量，上述支持测量的类型可以是支持的测量参考信号的类型，上述支持测量的内容可以是支持测量参考信号的内容。
上述通过所述Sidelink广播所述终端的能力信息可以是，通过Sidelink广播通知周围终端(例如：周围的接收端)该终端的能力信息。
该实施方式中，由于向网络侧或者周围终端发送该终端的能力信息，从而网络侧可以根据该能力信息进行相应的配置，以提高通信系统的性能，避免错误的配置，而周围终端可以根据该终端的能力信息在Sidelink进行相应的传输，以提高Sidelink的传输性能。
作为一种可选的实施方式，所述在Sidelink上进行反馈操作包括：
在Sidelink上通过SCI、SCI调度的PSSCH和MAC CE中的至少一项传输反馈比特和反馈指示信息。
需要说明的是，上述反馈比特和反馈指示信息可以是在SCI、SCI调度的PSSCH和MAC CE中的任一对象进行传输，或者，可以是反馈比特在SCI、SCI调度的PSSCH和MAC CE中的部分对象传输，而反馈指示信息在另一部分对象中传输，对此不作限定。可选的，上述反馈指示信息在上述SCI中传输，当然，SCI在传输有上述反馈指示信息之外，同时，还可以传输或者不传输反馈比特。
该实施方式中，可以实现终端在SCI里面携带或者传输反馈比特，以及 还可以实现终端在SCI所调度的PSSCH里面携带反馈比特(即反馈比特复用在PSSCH)，以及在调度的SCI里面指示是否PSSCH或者SCI中存在反馈比特；以及还可以实现UE在MAC层信令(例如：MAC CE)携带反馈比特。从而可以多样化的反馈，以满足不同的通信需求，提高Sidelink的反馈性能。
可选的，所述反馈指示信息包括如下至少一项：
反馈的类型或者内容、反馈的接收对象和应答反馈的PSSCH传输进程号；
其中，所述反馈的类型或者内容包括：接收PSSCH的应答和CSI反馈中的至少一项；
所述反馈的接收对象包括：接收端的ID、所述接收端的组ID、网络为所述接收端分配的固定ID、网络为所述接收端分配的临时ID或者所述接收端的截断ID(truncated ID)，所述接收端为进行反馈的终端。
其中，接收PSSCH的应答可以是HARQ-ACK或者其他应答，上述CSI反馈可以包括：信道质量指示(Channel Quality Indicator，CQI)、预编码矩阵指示(Precoding Matrix Indicator，PMI)、CSI-RS资源指示(CSI-RS resource indicator，CRI)、秩指示(Rank Indication，RI)、层指示(Layer Indication，LI)和层一参考信号接收功率(Layer 1 Reference Signal Received Power，L1-RSRP)中的至少一项，其中，上述CSI-RS为信道状态信息参考信号(Channel Condition Information Reference Signal)。
其中，上述接收端可以是本公开实施例应用的终端，因为，在PSSCH传输或者信令传输过程中，上述终端可以作为发送端，也可以作为接收端。当然，上述接收端也可以是其他进行反馈的终端，对此不作限定。上述临时ID可以是无线网络临时标识(Radio Network Temporary Identity，RNTI)。
通过上述反馈的接收对象可以提高Sidelink的反馈性能。
作为一种可选的实施方式，所述在Sidelink上进行测量操作，包括如下至少一项：
在所述Sidelink上向对端发送测量参考信号；
对对端在所述Sidelink上发送的测量参考信号进行测量。
该实施方式中，可以实现终端向对端发送测量参考信号，从而对端其进行测量，进而可以反馈测量结果。以及还可以实现对对端发送的测量参考信 号进行测量，之后可以通过反馈操作向对端反馈测量结果，从而可以提高Sidelink的测量性能，且反馈的测量结果可以用于传输的自适应，例如：波束配对，进而提高系统资源利用率与频谱效率。
作为一种可选的实施方式，所述获取Sidelink配置信息之后，所述方法还包括：
根据对端的反馈机制的使用情况下，采用相应传输方式发送PSSCH数据；
其中，若所述使用情况为启用反馈机制，则在所述传输方式中，若接收到所述对端反馈的接收失败，则对接收失败的PSSCH数据进行重传；
若所述使用情况为停用反馈机制，则在所述传输方式中，对所述PSSCH数据进行盲重传，其中，所述盲重传是指传输多份相同的传输块，所述多份相同的传输块为同一份PSSCH数据的传输块，或者所述盲重传是指传输多份不同冗余版本的传输块，所述多份不同冗余版本的传输块为同一份PSSCH数据的传输块。
其中，上述对端的反馈机制的使用情况可以是对端通过Sidelink发送的，或者可以是网络侧配置的，或者可以是预配置的等，对此不作限定。
该实施方式中，在确定对端的反馈机制的使用情况后，可以采用相应的传输方式进行传输，以提高数据传输的成功率。例如：对端启用反馈机制，则在所述传输方式中，若接收到所述对端反馈的接收失败，则对接收失败的PSSCH数据进行重传，若接收到对端反馈的接收成功，而每份PSSCH数据只需要传输一次即可，这样可以节约传输资源。若使用情况为停用反馈机制，则可以进行盲传输，即传输一份PSSCH数据的多份传输块，其中，这多份传输块可以是相同的传输块，或者可以是多份不同冗余版本的传输块。
下面以多个实例对上述Sidelink的操作方法进行举例说明：
例1：
1.运营商在sidelink预配置参数里关闭了物理层测量以及反馈机制。
2.UE-1在网络覆盖外，按照预配置信息工作，在sidelink上进行基于物理层广播的机制传输。其中，可以按相关技术中的机制，同时广播同步信号给接收端UE进行同步并接收数据。
3.UE-1移动到网络覆盖内，接收到网络侧设备广播的配置信息。该广播 配置启用了物理层测量以及反馈机制，并提供了测量配置信息与反馈配置信息，UE-1生效广播的配置信息。
4.UE-1在sidelink上通知周围UE其支持测量与反馈的能力，通知其启用测量与反馈机制，并发送测量参考信号，请求接收端UE发送反馈。其中，该请求可以包括测量参考信号配置以及反馈配置信息等。
5.UE-1通过sidelink同步信号与某发送端UE-2同步，获取其测量与反馈的能力与配置信息。如果该发送端UE-2启用了测量参考信号，则对该信号进行测量。
6.UE-1如果收到UE-2发送的单播PSSCH，则通过sidelink反馈PSSCH接收解调结果(例如，HARQ-ACK)
7.UE-1根据UE-2发送的测量与反馈的配置信息，反馈sidelink测量结果给UE-2。
8.同理，UE-2也通过sidelink反馈HARQ-ACK以及sidelink测量结果给UE-1。
例2：
1.UE-1跟UE-2移动到网络覆盖内，接入网络，上报sidelink能力。UE-1支持发送测量参考信号以及反馈能力，UE-2只支持反馈能力。网络侧通过RRC信令启用并配置UE-1跟UE-2的反馈配置，且启用并配置UE-1的sidelink测量参考信号配置。
2.UE-1根据网络侧配置，在sidelink上发送测量参考信号。
3.UE-2一旦收到UE-1发送的单播PSSCH，则通过sidelink反馈HARQ-ACK。
4.同理，UE-1也通过sidelink向UE-2反馈HARQ-ACK。
例3：
1.UE-1跟UE-2移动到网络覆盖内，接入网络，上报sidelink能力。UE-1支持发送测量参考信号以及反馈能力，UE-2不支持反馈能力。网络侧通过RRC信令启用并配置UE-1的反馈配置，且启用并配置UE-1的sidelink测量参考信号配置。
2.UE-1根据网络侧配置，在sidelink上发送测量参考信号。
3.UE-2通过sidelink广播通知周围接收UE其不启用也不支持sidelink反馈。
4.UE-1通过接收UE-2的广播信息，知道UE-2不启用sidelink反馈。如果UE-1需要往UE-2发送PSSCH，UE-1可以通过广播多份相同的数量(即盲重传)来发送PSSCH。
5.如果UE-2收到UE-1发送的PSSCH，则尝试解调或合并多份收到的PSSCH，但不通过sidelink反馈HARQ-ACK。
本公开实施例中，获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。从而可以提高Sidelink的传输性能。
请参见图3，图3是本公开实施例提供的一种终端的结构图，如图3所示，终端300包括：
获取模块301，用于获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；
执行模块302，用于根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。
可选的，所述反馈配置信息包括如下至少一项：
反馈的内容、反馈的类型、反馈的周期和反馈比特的映射方式。
可选的，所述反馈的内容包括：PSSCH的接收应答和CSI反馈中的至少一项；
所述反馈的类型包括：周期反馈、非周期反馈或者半持久性反馈；
所述反馈比特的映射方式包括如下至少一项：
为反馈比特分配的最大资源单元RE数、反馈比特映射的码率偏移Beta offset、同时反馈的最大比特数、丢弃部分反馈比特配置和绑定反馈比特配置。
可选的，所述测量配置信息包括如下至少一项：
测量参考信号配置、测量参考信号发送配置和测量参考信号测量配置；
其中，所述测量参考信号配置用于指示测量参考信号的类型、位置、带宽、周期和序列中的至少一项；
所述测量参考信号发送配置用于指示测量参考信号发送的生效或者失效；
所述测量参考信号测量配置用于指示对测量参考信号的测量的启动或者停止，以及指示启动或者停止发送所述测量参考信号的反馈信息。
可选的，如图4所示，所述终端300还包括：
启用模块303，用于启用或者停用测量机制和反馈机制中的至少一项；
所述执行模块302包括：
测量单元3021，用于在启用所述测量机制的情况下，根据所述测量配置信息进行测量操作；
反馈单元3022，用于在启用所述反馈机制的情况下，根据所述反馈配置信息进行反馈操作。
可选的，所述启用模块303用于根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项。
可选的，所述获取模块301用于通过预配置、网络侧发送的信令或者对端发送的信令，获取Sidelink配置信息。
可选的，所述网络侧发送的信令包括：
广播信令、高层信令、MAC CE或者下行控制信息DCI；
所述对端发送的信令包括：
Sidelink广播信道信令、Sidelink广播控制信道信令、Sidelink物理层控制信令或者Sidelink高层信令。
可选的，如图5所示，所述终端300还包括如下至少一项：
第一上报模块304，用于通过RRC信令向网络侧上报所述终端的能力信息；
第二上报模块305，用于通过所述Sidelink广播所述终端的能力信息；
其中，所述能力信息用于表示如下至少一项：
是否支持测量、是否支持反馈、支持测量的类型、支持测量的内容、支持反馈的类型和支持反馈的内容。
可选的，所述在Sidelink上进行反馈操作包括：
在Sidelink上通过SCI、SCI调度的PSSCH和MAC CE中的至少一项传输反馈比特和反馈指示信息。
可选的，所述反馈指示信息包括如下至少一项：
反馈的类型或者内容、反馈的接收对象和应答反馈的PSSCH传输进程号；
其中，所述反馈的类型或者内容包括：接收PSSCH的应答和CSI反馈中的至少一项；
所述反馈的接收对象包括：接收端的ID、所述接收端的组ID、网络为所述接收端分配的固定ID、网络为所述接收端分配的临时ID或者所述接收端的截断ID，所述接收端为进行反馈的终端。
可选的，所述在Sidelink上进行测量操作，包括如下至少一项：
在所述Sidelink上向对端发送测量参考信号；
对对端在所述Sidelink上发送的测量参考信号进行测量。
可选的，如图6所示，所述终端还包括：
发送模块306，用于根据对端的反馈机制的使用情况下，采用相应传输方式发送PSSCH数据；
其中，若所述使用情况为启用反馈机制，则在所述传输方式中，若接收到所述对端反馈的接收失败，则对接收失败的PSSCH数据进行重传；
若所述使用情况为停用反馈机制，则在所述传输方式中，对所述PSSCH数据进行盲重传，其中，所述盲重传是指传输多份相同的传输块，所述多份相同的传输块为同一份PSSCH数据的传输块，或者所述盲重传是指传输多份不同冗余版本的传输块，所述多份不同冗余版本的传输块为同一份PSSCH数据的传输块。
本公开实施例提供的终端能够实现图2的方法实施例中终端实现的各个过程，为避免重复，这里不再赘述，可以提高Sidelink的传输性能。
图7为实现本公开各个实施例的一种终端的硬件结构示意图，
该终端700包括但不限于：射频单元701、网络模块702、音频输出单元703、输入单元704、传感器705、显示单元706、用户输入单元707、接口单元708、存储器709、处理器710、以及电源711等部件。本领域技术人员可以理解，图7中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本公开实施例中，终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车 载终端、可穿戴设备、以及计步器等。
其中，在一个实施例中，在上述终端为本公开实施例定义的第一终端的情况下，
处理器710，用于获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；
射频单元701，用于根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。
可选的，所述反馈配置信息包括如下至少一项：
反馈的内容、反馈的类型、反馈的周期和反馈比特的映射方式。
可选的，所述反馈的内容包括：物理旁链路共享信道PSSCH的接收应答和信道状态信息CSI反馈中的至少一项；
所述反馈的类型包括：周期反馈、非周期反馈或者半持久性反馈；
所述反馈比特的映射方式包括如下至少一项：
为反馈比特分配的最大资源单元RE数、反馈比特映射的Beta-offset、同时反馈的最大比特数、丢弃部分反馈比特配置和绑定反馈比特配置。
可选的，所述测量配置信息包括如下至少一项：
测量参考信号配置、测量参考信号发送配置和测量参考信号测量配置；
其中，所述测量参考信号配置用于指示测量参考信号的类型、位置、带宽、周期和序列中的至少一项；
所述测量参考信号发送配置用于指示测量参考信号发送的生效或者失效；
所述测量参考信号测量配置用于指示对测量参考信号的测量的启动或者停止，以及指示启动或者停止发送所述测量参考信号的反馈信息。
可选的，所述根据所述Sidelink配置信息，在Sidelink上进行测量和反馈中的至少一项之前，处理器710还用于：
启用或者停用测量机制和反馈机制中的至少一项；
射频单元701执行的所述根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项，包括：
在启用所述测量机制的情况下，根据所述测量配置信息进行测量操作；
在启用所述反馈机制的情况下，根据所述反馈配置信息进行反馈操作。
可选的，处理器710执行的所述启用或者停用测量机制和反馈机制中的至少一项，包括：
根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项。
可选的，处理器710执行的所述获取Sidelink配置信息，包括：
通过预配置、网络侧发送的信令或者对端发送的信令，获取Sidelink配置信息。
可选的，所述网络侧发送的信令包括：
广播信令、高层信令、媒体接入控制的控制单元MAC CE或者下行控制信息DCI；
所述对端发送的信令包括：
Sidelink广播信道信令、Sidelink广播控制信道信令、Sidelink物理层控制信令或者Sidelink高层信令。
可选的，所述根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项之前，射频单元701还用于执行如下至少一项：
通过RRC信令向网络侧上报所述终端的能力信息；
通过所述Sidelink广播所述终端的能力信息；
其中，所述能力信息用于表示如下至少一项：
是否支持测量、是否支持反馈、支持测量的类型、支持测量的内容、支持反馈的类型和支持反馈的内容。
可选的，所述在Sidelink上进行反馈操作包括：
在Sidelink上通过旁链路控制信息SCI、SCI调度的PSSCH和MAC CE中的至少一项传输反馈比特和反馈指示信息。
可选的，所述反馈指示信息包括如下至少一项：
反馈的类型或者内容、反馈的接收对象和应答反馈的PSSCH传输进程号；
其中，所述反馈的类型或者内容包括：接收PSSCH的应答和CSI反馈中的至少一项；
所述反馈的接收对象包括：接收端的ID、所述接收端的组ID、网络为所 述接收端分配的固定ID、网络为所述接收端分配的临时ID或者所述接收端的截断ID，所述接收端为进行反馈的终端。
可选的，所述在Sidelink上进行测量操作，包括如下至少一项：
在所述Sidelink上向对端发送测量参考信号；
对对端在所述Sidelink上发送的测量参考信号进行测量。
可选的，所述获取Sidelink配置信息之后，射频单元701还用于：
根据对端的反馈机制的使用情况下，采用相应传输方式发送PSSCH数据；
其中，若所述使用情况为启用反馈机制，则在所述传输方式中，若接收到所述对端反馈的接收失败，则对接收失败的PSSCH数据进行重传；
若所述使用情况为停用反馈机制，则在所述传输方式中，对所述PSSCH数据进行盲重传，其中，所述盲重传是指传输多份相同的传输块，所述多份相同的传输块为同一份PSSCH数据的传输块，或者所述盲重传是指传输多份不同冗余版本的传输块，所述多份不同冗余版本的传输块为同一份PSSCH数据的传输块。
上述终端均可以提高Sidelink的传输性能。
应理解的是，本公开实施例中，射频单元701可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器710处理；另外，将上行的数据发送给基站。通常，射频单元701包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元701还可以通过无线通信系统与网络和其他设备通信。
终端通过网络模块702为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元703可以将射频单元701或网络模块702接收的或者在存储器709中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元703还可以提供与终端700执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元703包括扬声器、蜂鸣器以及受话器等。
输入单元704用于接收音频或视频信号。输入单元704可以包括图形处理器(Graphics Processing Unit，GPU)7041和麦克风7042，图形处理器7041 对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元706上。经图形处理器7041处理后的图像帧可以存储在存储器709(或其它存储介质)中或者经由射频单元701或网络模块702进行发送。麦克风7042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元701发送到移动通信基站的格式输出。
终端700还包括至少一种传感器705，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板7061的亮度，接近传感器可在终端700移动到耳边时，关闭显示面板7061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器705还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元706用于显示由用户输入的信息或提供给用户的信息。显示单元706可包括显示面板7061，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板7061。
用户输入单元707可用于接收输入的数字或字符信息，以及产生与终端的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元707包括触控面板7071以及其他输入设备7072。触控面板7071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板7071上或在触控面板7071附近的操作)。触控面板7071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器710，接收处理器710发来的命令并加以执行。此外，可以采用电 阻式、电容式、红外线以及表面声波等多种类型实现触控面板7071。除了触控面板7071，用户输入单元707还可以包括其他输入设备7072。具体地，其他输入设备7072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板7071可覆盖在显示面板7061上，当触控面板7071检测到在其上或附近的触摸操作后，传送给处理器710以确定触摸事件的类型，随后处理器710根据触摸事件的类型在显示面板7061上提供相应的视觉输出。虽然在图7中，触控面板7071与显示面板7061是作为两个独立的部件来实现终端的输入和输出功能，但是在某些实施例中，可以将触控面板7071与显示面板7061集成而实现终端的输入和输出功能，具体此处不做限定。
接口单元708为外部装置与终端700连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元708可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到终端700内的一个或多个元件或者可以用于在终端700和外部装置之间传输数据。
存储器709可用于存储软件程序以及各种数据。存储器709可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器709可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器710是终端的控制中心，利用各种接口和线路连接整个终端的各个部分，通过运行或执行存储在存储器709内的软件程序和/或模块，以及调用存储在存储器709内的数据，执行终端的各种功能和处理数据，从而对终端进行整体监控。处理器710可包括一个或多个处理单元；可选的，处理器710可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理 解的是，上述调制解调处理器也可以不集成到处理器710中。
终端700还可以包括给各个部件供电的电源711(比如电池)，可选的，电源711可以通过电源管理系统与处理器710逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，终端700包括一些未示出的功能模块，在此不再赘述。
可选的，本公开实施例还提供一种终端，包括处理器710，存储器709，存储在存储器709上并可在所述处理器710上运行的计算机程序，该计算机程序被处理器710执行时实现上述Sidelink的操作方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本公开实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现本公开实施例提供的Sidelink的操作方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，所述的计算机可读存储介质，如只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本公开各个实施例所述的方法。
上面结合附图对本公开的实施例进行了描述，但是本公开并不局限于上 述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本公开的启示下，在不脱离本公开宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本公开的保护之内。

Claims (28)

  1. 一种旁链路Sidelink的操作方法，应用于终端，包括：
    获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；
    根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。
  2. 如权利要求1所述的方法，其中，所述反馈配置信息包括如下至少一项：
    反馈的内容、反馈的类型、反馈的周期和反馈比特的映射方式。
  3. 如权利要求2所述的方法，其中，所述反馈的内容包括：物理旁链路共享信道PSSCH的接收应答和信道状态信息CSI反馈中的至少一项；
    所述反馈的类型包括：周期反馈、非周期反馈或者半持久性反馈；
    所述反馈比特的映射方式包括如下至少一项：
    为反馈比特分配的最大资源单元RE数、反馈比特映射的码率偏移Beta-offset、同时反馈的最大比特数、丢弃部分反馈比特配置和绑定反馈比特配置。
  4. 如权利要求1所述的方法，其中，所述测量配置信息包括如下至少一项：
    测量参考信号配置、测量参考信号发送配置和测量参考信号测量配置；
    其中，所述测量参考信号配置用于指示测量参考信号的类型、位置、带宽、周期和序列中的至少一项；
    所述测量参考信号发送配置用于指示测量参考信号发送的生效或者失效；
    所述测量参考信号测量配置用于指示对测量参考信号的测量的启动或者停止，以及指示启动或者停止发送所述测量参考信号的反馈信息。
  5. 如权利要求1所述的方法，所述根据所述Sidelink配置信息，在Sidelink上进行测量和反馈中的至少一项之前，所述方法还包括：
    启用或者停用测量机制和反馈机制中的至少一项；
    所述根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作 中的至少一项，包括：
    在启用所述测量机制的情况下，根据所述测量配置信息进行测量操作；
    在启用所述反馈机制的情况下，根据所述反馈配置信息进行反馈操作。
  6. 如权利要求5所述的方法，其中，所述启用或者停用测量机制和反馈机制中的至少一项，包括：
    根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项。
  7. 如权利要求1所述的方法，其中，所述获取Sidelink配置信息，包括：
    通过预配置、网络侧发送的信令或者对端发送的信令，获取Sidelink配置信息。
  8. 如权利要求6或7所述的方法，其中，所述网络侧发送的信令包括：
    广播信令、高层信令、媒体接入控制的控制单元MAC CE或者下行控制信息DCI；
    所述对端发送的信令包括：
    Sidelink广播信道信令、Sidelink广播控制信道信令、Sidelink物理层控制信令或者Sidelink高层信令。
  9. 如权利要求6所述的方法，所述根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项之前，所述方法还包括如下至少一项：
    通过无线资源控制RRC信令向网络侧上报所述终端的能力信息；
    通过所述Sidelink广播所述终端的能力信息；
    其中，所述能力信息用于表示如下至少一项：
    是否支持测量、是否支持反馈、支持测量的类型、支持测量的内容、支持反馈的类型和支持反馈的内容。
  10. 如权利要求1至7中任一项所述的方法，其中，所述在Sidelink上进行反馈操作包括：
    在Sidelink上通过旁链路控制信息SCI、SCI调度的PSSCH和MAC CE中的至少一项传输反馈比特和反馈指示信息。
  11. 如权利要求10所述的方法，其中，所述反馈指示信息包括如下至少 一项：
    反馈的类型或者内容、反馈的接收对象和应答反馈的PSSCH传输进程号；
    其中，所述反馈的类型或者内容包括：接收PSSCH的应答和CSI反馈中的至少一项；
    所述反馈的接收对象包括：接收端的ID、所述接收端的组ID、网络为所述接收端分配的固定ID、网络为所述接收端分配的临时ID或者所述接收端的截断ID，所述接收端为进行反馈的终端。
  12. 如权利要求1至7中任一项所述的方法，其中，所述在Sidelink上进行测量操作，包括如下至少一项：
    在所述Sidelink上向对端发送测量参考信号；
    对对端在所述Sidelink上发送的测量参考信号进行测量。
  13. 如权利要求1至7中任一项所述的方法，所述获取Sidelink配置信息之后，所述方法还包括：
    根据对端的反馈机制的使用情况下，采用相应传输方式发送PSSCH数据；
    其中，若所述使用情况为启用反馈机制，则在所述传输方式中，若接收到所述对端反馈的接收失败，则对接收失败的PSSCH数据进行重传；
    若所述使用情况为停用反馈机制，则在所述传输方式中，对所述PSSCH数据进行盲重传，其中，所述盲重传是指传输多份相同的传输块，所述多份相同的传输块为同一份PSSCH数据的传输块，或者所述盲重传是指传输多份不同冗余版本的传输块，所述多份不同冗余版本的传输块为同一份PSSCH数据的传输块。
  14. 一种终端，包括：
    获取模块，用于获取Sidelink配置信息，其中，所述Sidelink配置信息包括反馈配置信息和测量配置信息中的至少一项；
    执行模块，用于根据所述Sidelink配置信息，在Sidelink上进行测量操作和反馈操作中的至少一项。
  15. 如权利要求14所述的终端，其中，所述反馈配置信息包括如下至少一项：
    反馈的内容、反馈的类型、反馈的周期和反馈比特的映射方式。
  16. 如权利要求15所述的终端，其中，所述反馈的内容包括：PSSCH的接收应答和CSI反馈中的至少一项；
    所述反馈的类型包括：周期反馈、非周期反馈或者半持久性反馈；
    所述反馈比特的映射方式包括如下至少一项：
    为反馈比特分配的最大资源单元RE数、反馈比特映射的码率偏移Beta-offset、同时反馈的最大比特数、丢弃部分反馈比特配置和绑定反馈比特配置。
  17. 如权利要求14所述的终端，其中，所述测量配置信息包括如下至少一项：
    测量参考信号配置、测量参考信号发送配置和测量参考信号测量配置；
    其中，所述测量参考信号配置用于指示测量参考信号的类型、位置、带宽、周期和序列中的至少一项；
    所述测量参考信号发送配置用于指示测量参考信号发送的生效或者失效；
    所述测量参考信号测量配置用于指示对测量参考信号的测量的启动或者停止，以及指示启动或者停止发送所述测量参考信号的反馈信息。
  18. 如权利要求14所述的终端，还包括：
    启用模块，用于启用或者停用测量机制和反馈机制中的至少一项；
    所述执行模块包括：
    测量单元，用于在启用所述测量机制的情况下，根据所述测量配置信息进行测量操作；
    反馈单元，用于在启用所述反馈机制的情况下，根据所述反馈配置信息进行反馈操作。
  19. 如权利要求18所述的终端，其中，所述启用模块用于根据预配置、网络侧发送的信令或者对端发送的信令，启用或者停用测量机制和反馈机制中的至少一项。
  20. 如权利要求14所述的终端，其中，所述获取模块用于通过预配置、网络侧发送的信令或者对端发送的信令，获取Sidelink配置信息。
  21. 如权利要求19或20所述的终端，其中，所述网络侧发送的信令包括：
    广播信令、高层信令、媒体接入控制的控制单元MAC CE或者下行控制信息DCI；
    所述对端发送的信令包括：
    Sidelink广播信道信令、Sidelink广播控制信道信令、Sidelink物理层控制信令或者Sidelink高层信令。
  22. 如权利要求19所述的终端，还包括如下至少一项：
    第一上报模块，用于通过RRC信令向网络侧上报所述终端的能力信息；
    第二上报模块，用于通过所述Sidelink广播所述终端的能力信息；
    其中，所述能力信息用于表示如下至少一项：
    是否支持测量、是否支持反馈、支持测量的类型、支持测量的内容、支持反馈的类型和支持反馈的内容。
  23. 如权利要求14至20中任一项所述的终端，其中，所述在Sidelink上进行反馈操作包括：
    在Sidelink上通过SCI、SCI调度的PSSCH和MAC CE中的至少一项传输反馈比特和反馈指示信息。
  24. 如权利要求23所述的终端，其中，所述反馈指示信息包括如下至少一项：
    反馈的类型或者内容、反馈的接收对象和应答反馈的PSSCH传输进程号；
    其中，所述反馈的类型或者内容包括：接收PSSCH的应答和CSI反馈中的至少一项；
    所述反馈的接收对象包括：接收端的ID、所述接收端的组ID、网络为所述接收端分配的固定ID、网络为所述接收端分配的临时ID或者所述接收端的截断ID，所述接收端为进行反馈的终端。
  25. 如权利要求14至20中任一项所述的终端，其中，所述在Sidelink上进行测量操作，包括如下至少一项：
    在所述Sidelink上向对端发送测量参考信号；
    对对端在所述Sidelink上发送的测量参考信号进行测量。
  26. 如权利要求14至20中任一项所述的终端，还包括：
    发送模块，用于根据对端的反馈机制的使用情况下，采用相应传输方式 发送PSSCH数据；
    其中，若所述使用情况为启用反馈机制，则在所述传输方式中，若接收到所述对端反馈的接收失败，则对接收失败的PSSCH数据进行重传；
    若所述使用情况为停用反馈机制，则在所述传输方式中，对所述PSSCH数据进行盲重传，其中，所述盲重传是指传输多份相同的传输块，所述多份相同的传输块为同一份PSSCH数据的传输块，或者所述盲重传是指传输多份不同冗余版本的传输块，所述多份不同冗余版本的传输块为同一份PSSCH数据的传输块。
  27. 一种终端，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至13中任一项所述的Sidelink的操作方法中的步骤。
  28. 一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至13中任一项所述的Sidelink的操作方法的步骤。
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