WO2021160112A1 - 确定直通链路进程的方法及设备 - Google Patents
确定直通链路进程的方法及设备 Download PDFInfo
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- WO2021160112A1 WO2021160112A1 PCT/CN2021/076190 CN2021076190W WO2021160112A1 WO 2021160112 A1 WO2021160112 A1 WO 2021160112A1 CN 2021076190 W CN2021076190 W CN 2021076190W WO 2021160112 A1 WO2021160112 A1 WO 2021160112A1
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
Definitions
- the present disclosure relates to the field of mobile communication technology, and in particular to a method and device for determining the process of a direct link.
- the New Radio (NR, New Radio) V2X system supports two resource allocation methods: resource allocation mode 1 (Mode-1) and resource allocation mode 2 (Mode-2). in,
- Resource allocation Mode-1 The resource allocation mode controlled by the base station, that is, the base station configures radio resource control (Radio Resource Control, RRC) and/or DCI schedules direct link (SL, sidelink) resources, and the V2X sender schedules resources at the base station
- RRC Radio Resource Control
- DCI schedules direct link (SL, sidelink) resources
- V2X sender schedules resources at the base station
- Data packets are sent on the Internet, including direct link control information (SCI, Sidelink Control information) and data.
- SCI is used in the physical direct link control channel (PSCCH, Physical Sidelink Control Channel) and the physical direct link shared channel (PSSCH, Physical Sidelink Shared Channel). Channel), data is carried on PSSCH;
- Resource allocation Mode-2 UE's autonomous resource allocation mode, that is, when the V2X sender has a data packet to be sent, the resource selection is made through its own sensing (sensing), and the data packet is sent on the selected sidelink resource, including SCI and data, SCI is carried on PSCCH and PSSCH, and data is carried on PSSCH.
- For resource allocation Mode-1 it supports dynamic grant (dynamic grant) and configured grant (configured grant, specifically including type 1 type-1 and type-2). There are three scheduling methods, among which dynamic grant scheduling can only schedule one transmission block at a time. (Transport Block, TB), configured grant (type-1, type-2) periodically allocates a series of resources to the terminal for the base station, and the terminal determines which TB is transmitted on this series of resources.
- configured grant Configured grant
- configured sidelink grant Configured sidelink grant
- the downlink control information (DCI, Downlink Control Information) issued by the base station includes the hybrid automatic repeat request (HARQ, Hybrid Automatic Repeat reQuest) identifier, that is, the HARQ ID, and the new data indicator (NDI, New Data Indicator) , And the available sidelink time domain and frequency domain resources are indicated in the DCI;
- HARQ Hybrid Automatic Repeat reQuest
- NDI New Data Indicator
- the base station indicates periodically available sidelink time domain and frequency domain resources through radio resource control (RRC) signaling;
- RRC radio resource control
- the base station For configured grant type-2, the base station indicates periodically available sidelink time domain and frequency domain resources through RRC signaling and activation/deactivation of DCI.
- the receiving terminal supports the sending terminal (transmitter) to feedback SL HARQ-ACK (Sidelink Feedback Control Information (SFCI, Sidelink Feedback Control Information)), in the physical through link feedback channel ( PSFCH, Physical Sidelink Feedback Channel), and for V2X resource allocation Mode-1, support the transmitter to send the received SL HARQ-ACK to the base station, and assist the base station to perform retransmission scheduling.
- SL HARQ-ACK Sidelink Feedback Control Information
- PSFCH Physical Sidelink Feedback Channel
- V2X resource allocation Mode-1 support the transmitter to send the received SL HARQ-ACK to the base station, and assist the base station to perform retransmission scheduling.
- SFCI Sidelink Feedback Control Information
- PSFCH Physical Sidelink Feedback Channel
- V2X resource allocation Mode-1 support the transmitter to send the received SL HARQ-ACK to the base station, and assist the base station to perform retransmission scheduling.
- type-1, type-2 if the base station receives SL NACK, it can dynamically grant SL re
- the cyclic redundancy check (CRC, Cyclic Redundancy Check) of the dynamic grant used for scheduling retransmission uses the radio network temporary identity (Radio Network Temporary Identity, RNTI) of the DCI used for dynamic SL authorization )(SL RNTI introduced for DCI for a dynamic grant) for scrambling;
- RNTI Radio Network Temporary Identity
- the CRC of the dynamic grant used for scheduling retransmission is scrambled with the RNTI (SL RNTI introduced for DCI for a configured grant type-2) used for the configured SL authorized DCI;
- one PUCCH is supported to transmit 1-bit HARQ-ACK.
- At least one embodiment of the present disclosure provides a method and device for determining a through link process, which can determine a through link process associated with a retransmission authorization, so as to guide the retransmission of the through link.
- At least one embodiment provides a method for determining the process of a through link, which is applied to a terminal, and includes:
- At least one SL process associated with the first SL authorization is determined.
- determining at least one SL process associated with the first SL authorization includes:
- the first SL authorization is an SL authorization for the first RNTI of a Media Access Control (MAC) entity, and the new data included in the first SL authorization indicates NDI, compared to the previous SL authorization If the NDI contained in the HARQ information for the first HARQ process number received last time has not been overturned, the first SL resource or the SL process corresponding to the initial transmission of the SL is taken as the at least one SL process, or, Use the SL process corresponding to the first HARQ process number as the at least one SL process;
- MAC Media Access Control
- the first SL authorization is the SL authorization for the second RNTI of the MAC entity, and the PDCCH content indicates the retransmission of the activated configured sidelink grant
- the second SL resource or the SL process corresponding to the initial SL transmission One or more are used as the at least one SL process, or one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization are used as the at least one SL process.
- the first SL resource is any one of the following resources:
- the resource indicated by the SL grant/PDCCH that contains the first HARQ process number last received before the first SL grant, or, PSCCH duration(s) during PSCCH and PSSCH duration(s) during PSSCH;
- the second SL resource is any one of the following resources:
- one or more of the SL processes corresponding to the second SL resource is used as the at least one SL process in at least one of the following ways:
- Manner 1 Determine one or more of the SL processes corresponding to the second SL resource as the at least one SL process by means of autonomous determination by the terminal;
- Manner 2 According to the received at least one physical direct link feedback channel PSFCH, determine one or more of the SL processes corresponding to the second SL resource as the at least one SL process;
- Manner 3 According to the priority of the physical direct link shared channel PSSCH, one or more of the SL processes corresponding to the second SL resource is determined as the at least one SL process.
- the first number of SL processes is determined according to the second method; and, according to the first method, the first number of SL processes is determined Determine the second number of SL processes independently;
- one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization is used as the at least one SL process :
- Manner 4 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization as the at least one SL process by means of autonomous determination by the terminal;
- Manner 5 According to the received at least one physical direct link feedback channel PSFCH, determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process ;
- Manner 6 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process according to the priority of the physical through link shared channel PSSCH.
- the tenth number of SL processes is determined according to the fifth method; and, according to the fourth method, the tenth number of SL processes is determined
- the eleventh number of SL processes are determined independently in China;
- method five and method six determine the sixteenth number of SL processes according to the fifth method; and, according to the sixth method, determine the sixteenth number of SL processes from the sixteenth method.
- the seventeenth number of SL processes; and, according to the fourth method, the eighteenth number of SL processes are autonomously determined from the seventeenth number of SL processes.
- the method before the step of determining at least one SL process associated with the first SL authorization, the method further includes:
- the received first SL authorization is used to determine the retransmission resource of the MAC protocol data unit (Protocol Data Unit, PDU) corresponding to the at least one SL process.
- PDU MAC protocol data unit
- the received first SL authorization is used to determine the retransmission resource of the MAC PDU corresponding to the at least one SL process:
- the first SL authorization is an SL authorization for the first wireless network temporary identity RNTI of the media access control MAC entity, and the first new data included in the first SL authorization indicates NDI, compared to the first SL authorization
- the second NDI contained in the HARQ information for the first HARQ process number received last time has not been overturned;
- the first SL authorization is the SL authorization for the second RNTI of the MAC entity, and the first SL authorization indication is the activated configured SL authorization to retransmit the configured sidelink grant.
- At least one embodiment provides a terminal, including:
- the receiving module is used to receive the first direct link SL grant sent by the network on the physical layer downlink control channel PDCCH;
- the determining module is configured to determine at least one SL process associated with the authorization of the first SL if the first SL authorization indicates retransmission.
- the determining module is further configured to:
- the first SL authorization is the SL authorization for the first RNTI of the MAC entity, and the new data contained in the first SL authorization indicates the NDI, compared to the last received before the first SL authorization for the first RNTI If the NDI contained in the HARQ information of the HARQ process number is not overturned, the first SL resource or the SL process corresponding to the initial SL transmission is used as the at least one SL process, or the SL process corresponding to the first HARQ process number As the at least one SL process;
- the second SL resource or the SL process corresponding to the initial SL transmission One or more are used as the at least one SL process, or one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization are used as the at least one SL process.
- the first SL resource is any one of the following resources:
- the second SL resource is any one of the following resources:
- the determining module is further configured to:
- one or more of the SL processes corresponding to the second SL resource is used as the at least one SL process:
- Manner 1 Determine one or more of the SL processes corresponding to the second SL resource as the at least one SL process by means of autonomous determination by the terminal;
- Manner 2 According to the received at least one physical direct link feedback channel PSFCH, determine one or more of the SL processes corresponding to the second SL resource as the at least one SL process;
- Manner 3 According to the priority of the physical direct link shared channel PSSCH, one or more of the SL processes corresponding to the second SL resource is determined as the at least one SL process.
- the determining module is further configured to:
- the first and second methods determine the first number of SL processes according to the second method; and, according to the first method, determine the second number of SL processes autonomously from the first number of SL processes process;
- the determining module is further configured to:
- one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization is used as the at least one SL process:
- Manner 4 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization as the at least one SL process by means of autonomous determination by the terminal;
- Manner 5 According to the received at least one physical direct link feedback channel PSFCH, determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process ;
- Manner 6 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process according to the priority of the physical through link shared channel PSSCH.
- the determining module is further configured to:
- method five and method six determine the sixteenth number of SL processes according to the fifth method; and, according to the sixth method, determine the sixteenth number of SL processes from the sixteenth method.
- the seventeenth number of SL processes; and, according to the fourth method, the eighteenth number of SL processes are autonomously determined from the seventeenth number of SL processes.
- the terminal further includes:
- the resource determination module is configured to use the received first SL authorization to determine the MAC PDU retransmission resource corresponding to the at least one SL process before determining the at least one SL process associated with the first SL authorization.
- the resource determining module is further configured to use the received first SL authorization to determine the retransmission resource of the MAC PDU corresponding to the at least one SL process when any of the following conditions is met:
- the first SL authorization is an SL authorization for the first wireless network temporary identity RNTI of the media access control MAC entity, and the first new data included in the first SL authorization indicates NDI, compared to the first SL authorization
- the second NDI contained in the HARQ information for the first HARQ process number received last time has not been overturned;
- the first SL authorization is the SL authorization for the second RNTI of the MAC entity, and the first SL authorization indication is the activated configured SL authorization to retransmit the configured sidelink grant.
- At least one embodiment provides a terminal including a transceiver and a processor, wherein:
- the transceiver is configured to receive the first direct link SL grant sent by the network on the physical layer downlink control channel PDCCH;
- the processor is configured to determine at least one SL process associated with the authorization of the first SL if the first SL authorization indicates retransmission.
- At least one embodiment provides a terminal including a processor, a memory, and a program stored on the memory and capable of running on the processor, and the program is used by the processor.
- the steps of the method for determining the through link process as described above are realized.
- At least one embodiment provides a computer-readable storage medium with a program stored on the computer-readable storage medium, and when the program is executed by a processor, the above-mentioned method is implemented. step.
- the method and device for determining the process of the through link can determine the process of the through link associated with the retransmission authorization, so as to guide the retransmission of the through link.
- some embodiments of the present disclosure may also determine the first SL authorization based on the mapping relationship between HARQ ID and SL transmission resources/transmission opportunities included in the first SL authorization, and the priority of the PSFCH and/or PSSCH received by the terminal.
- the SL process ID corresponding to the HARQ ID provides support for SL retransmission.
- FIG. 1 is a schematic diagram of application scenarios of some embodiments of the present disclosure
- FIG. 2 is a flowchart of a method for determining a through link process provided by some embodiments of the present disclosure
- FIG. 3 is a schematic structural diagram of a terminal provided by some embodiments of the present disclosure.
- FIG. 4 is a schematic diagram of another structure of a terminal provided by some embodiments of the present disclosure.
- the technology described in this article is not limited to NR systems and Long Time Evolution (LTE)/LTE-Advanced (LTE-A) systems, and can also be used in various wireless communication systems, such as code division multiple access.
- Code Division Multiple Access CDMA
- Time Division Multiple Access TDMA
- Frequency Division Multiple Access FDMA
- Orthogonal Frequency Division Multiple Access OFDMA
- Single-carrier Frequency-Division Multiple Access SC-FDMA
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- the terms “system” and “network” are often used interchangeably.
- the CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA).
- UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
- the TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM).
- GSM Global System for Mobile Communication
- the OFDMA system can implement radios such as UltraMobile Broadband (UMB), Evolved UTRA (Evolution-UTRA, E-UTRA), IEEE802.21 (Wi-Fi), IEEE802.16 (WiMAX), IEEE802.20, Flash-OFDM, etc. technology.
- UMB UltraMobile Broadband
- Evolved UTRA Evolved UTRA
- E-UTRA Evolved UTRA
- IEEE802.21 Wi-Fi
- WiMAX IEEE802.16
- IEEE802.20 Flash-OFDM
- Flash-OFDM Flash-OFDM
- UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3GPP).
- CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2" (3GPP2).
- the techniques described in this article can be used for the systems and radio technologies mentioned above, as well as other systems and radio technologies.
- the following description describes the NR system for exemplary purposes, and NR terminology is used in most of the following description, although these techniques can also be applied to applications other than NR system applications.
- the wireless communication system includes a terminal 11 and a network device 12.
- the terminal 11 may also be called a user terminal or a user equipment (UE, User Equipment), and the terminal 11 may be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), or a personal digital assistant (Personal Digital Assistant).
- PDA mobile Internet device
- MID mobile Internet Device
- Wearable Device wearable device
- vehicle-mounted equipment it should be noted that in some embodiments of the present disclosure, the terminal 11 is not limited Specific type.
- the network device 12 may be a base station and/or a core network element, where the above-mentioned base station may be a base station of 5G and later versions (for example: gNB, 5G NR NB, etc.), or a base station in other communication systems (for example: eNB, WLAN Access point, or other access points, etc.), where the base station can be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node or
- the base station is not limited to a specific technical vocabulary. It should be noted that in some embodiments of the present disclosure, only the base station in the NR system is taken as an example. However, the base station in the NR system is taken as an example. However, the
- the base station may communicate with the terminal 11 under the control of the base station controller.
- the base station controller may be a part of a core network or some base stations. Some base stations can communicate control information or user data with the core network through the backhaul. In some examples, some of these base stations may directly or indirectly communicate with each other through a backhaul link, which may be a wired or wireless communication link.
- the wireless communication system can support operations on multiple carriers (waveform signals of different frequencies). Multi-carrier transmitters can simultaneously transmit modulated signals on these multiple carriers. For example, each communication link may be a multi-carrier signal modulated according to various radio technologies. Each modulated signal can be sent on a different carrier and can carry control information (for example, reference signals, control channels, etc.), overhead information, data, and so on.
- the base station may perform wireless communication with the terminal 11 via one or more access point antennas. Each base station can provide communication coverage for its corresponding coverage area. The coverage area of an access point can be divided into sectors that constitute only a part of the coverage area.
- the wireless communication system may include different types of base stations (for example, a macro base station, a micro base station, or a pico base station).
- the base station can also utilize different radio technologies, such as cellular or WLAN radio access technologies.
- the base stations can be associated with the same or different access networks or operator deployments.
- the coverage areas of different base stations may overlap.
- the communication link in the wireless communication system may include an uplink for carrying uplink (UL) transmission (for example, from the terminal 11 to the network device 12), or for carrying a downlink (DL) Transmission (e.g., from the network device 12 to the terminal 11) downlink.
- UL transmission may also be referred to as reverse link transmission
- DL transmission may also be referred to as forward link transmission.
- Downlink transmission can use licensed frequency bands, unlicensed frequency bands, or both.
- uplink transmission can be performed using licensed frequency bands, unlicensed frequency bands, or both.
- the HARQ ID contained in the DCI issued by the base station is a different concept from the SL process ID (SL process ID) in the SL HARQ entity.
- the HARQ ID in the DCI only indicates some resources or some SL transmissions. Therefore, when the terminal receives the DCI dispatched by the base station to schedule a HARQ ID retransmission, it needs to identify which SL process ID corresponds to the sidelink;
- the base station For the configured grant (type-1, type-2), the base station periodically allocates a set of transmission resources/transmission opportunities, but whether these transmission resources/transmission opportunities are transmitted from the same TB or different TBs to the same The receiving end or to a different receiving end is determined by the sending terminal itself. For the configured grant, after a group of resources appear periodically, only 1-bit HARQ-ACK is sent. If the base station receives a NACK, it cannot distinguish which TB transmitted by the V2X sender is wrong, and the V2X sender is receiving it. After the retransmission authorization sent by the base station, it is also impossible to know which TB is to be retransmitted on the scheduling resource.
- some embodiments of the present disclosure provide a method for determining the through link process, which can identify the through link process associated with the retransmission authorization, and is used to guide the through link retransmission.
- the method for determining the process of a through link provided by some embodiments of the present disclosure, which is applied to a terminal, includes:
- Step 21 Receive the first SL authorization sent by the network on the PDCCH.
- Step 22 If the first SL authorizes the instruction to retransmit, determine at least one SL process associated with the first SL authorization.
- the terminal will identify at least one SL process associated with the first SL authorization after receiving the SL authorization (for ease of description, referred to herein as the first SL authorization) indicating retransmission, so that it can be used To provide relevant information for SL retransmission.
- the first SL authorization for ease of description, referred to herein as the first SL authorization
- the terminal may use the received first SL authorization to determine the MAC PDU retransmission resource corresponding to the at least one SL process.
- the terminal before step 22, after receiving the first SL authorization, the terminal can determine whether the first SL authorization is an SL authorization indicating retransmission in the following manner:
- the first SL authorization is the SL authorization for the first RNTI of the MAC entity, and the first NDI included in the first SL authorization is compared with the first NDI received before the first SL authorization for the first time If the second NDI contained in the HARQ information of a HARQ process number is not overturned, it means that the first SL authorization is an SL authorization indicating retransmission. At this time, the received first SL authorization is used to determine that the at least one SL process corresponds MAC PDU retransmission resources.
- the first HARQ process number is the HARQ process number included in the first SL grant.
- the retransmission resource of the MAC PDU corresponding to the at least one SL process may specifically be a PSCCH period (PSCCH duration(s)) and a PSSCH period (PSSCH duration(s)).
- the first RNTI is sometimes referred to as the RNTI (SL RNTI introduced for DCI for a dynamic grant) of the DCI used for dynamic SL authorization.
- the first SL authorization is an SL authorization for the second RNTI of the MAC entity, and the PDCCH content indicates the retransmission of an activated configured sidelink grant (configured sidelink grant), it means that the first SL authorization is an instruction retransmission.
- the received first SL authorization is used to determine the retransmission resource of the MAC PDU corresponding to the at least one SL process.
- the retransmission resources of the MAC PDU corresponding to the at least one SL process may be PSCCH duration(s) and PSSCH duration(s).
- the second RNTI is sometimes also referred to as the RNTI (SL RNTI introduced for DCI for a configured grant type-2) of the DCI used for the configured SL authorization.
- identifying at least one SL process associated with the first SL authorization in step 21 it may specifically include:
- the first SL authorization is an SL authorization for the first RNTI of the MAC entity, and the new data contained in the first SL authorization indicates NDI, compared to the last received before the first SL authorization for the If the NDI contained in the HARQ information of the HARQ process number is not overturned, the first SL resource or the SL process corresponding to the initial SL transmission is used as the at least one SL process, or the SL process corresponding to the first HARQ process number As the at least one SL process.
- the SL process corresponding to the first SL resource or the SL process corresponding to the initial transmission of the SL, or the SL process corresponding to the first HARQ process number is taken as the at least one SL process.
- the first SL resource may specifically be any one of the following resources:
- PSCCH duration(s) and PSSCH duration(s) The resources occupied by the initial transmission of the SL or the occupied PSCCH period and PSSCH period.
- the SL process corresponding to the first HARQ process number is used as the at least one SL process
- a mapping relationship between the HARQ process number and the first information may be established in advance, and the first information may specifically include the SL process number ( SL process ID), resource identification (source ID) and (destination ID). Among them, the destination ID can be represented by the receiving end ID. Furthermore, according to the mapping relationship, the SL process corresponding to the first HARQ process number is determined.
- the second SL resource or SL process corresponding to the initial transmission of the SL One or more of the SL processes are used as the at least one SL process, or one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization are used as the at least one SL process.
- the second SL resource may specifically be any one of the following resources:
- PSCCH duration(s) and PSSCH duration(s) The resources occupied by the initial transmission of the SL or the occupied PSCCH period and PSSCH period.
- the SL resource corresponding to the first HARQ process number, or, the PSCCH period and the PSSCH period That is, the SL resource corresponding to the first HARQ process number, or the PSCCH duration(s) and PSSCH duration(s) corresponding to the first HARQ process number.
- some embodiments of the present disclosure also provide multiple identification methods. To identify at least one SL process associated with the first SL authorization, multiple methods are provided below. Some embodiments of the present disclosure may use one or more of the following three methods for identification, which will be described separately below.
- the terminal may use one or more of the SL processes corresponding to the second SL resource as the at least one SL process according to at least one of the following methods:
- Manner 1 Determine one or more of the SL processes corresponding to the second SL resource as the at least one SL process through an autonomous determination method of the terminal.
- the first method is determined by the terminal autonomously.
- the terminal can arbitrarily select one or more of the SL processes corresponding to the second SL resource as the at least one SL process.
- Manner 2 According to the received at least one physical direct link feedback channel PSFCH, one or more of the SL processes corresponding to the second SL resource is determined as the at least one SL process.
- the PSFCH in the second method when determining according to the PSFCH in the second method, it can be: according to the feedback information on the PSFCH (such as SL HARQ-ACK), select the resource that failed to be sent in the second SL resource, and put the selected resource in the SL process corresponding to the selected resource.
- the feedback information on the PSFCH such as SL HARQ-ACK
- select the resource that failed to be sent in the second SL resource select the resource that failed to be sent in the second SL resource, and put the selected resource in the SL process corresponding to the selected resource.
- One or more of them are used as the at least one SL process.
- the PSFCH corresponding to the transmission opportunity is carried on the ACK, and the terminal determines the sidelink process(s) associated with the first SL authorization as the sidelink process corresponding to the i-th SL transmission resource/SL transmission opportunity according to the received PSFCH(s);
- Manner 3 According to the priority of the physical direct link shared channel PSSCH, one or more of the SL processes corresponding to the second SL resource is determined as the at least one SL process.
- the third method when determining according to the priority of the PSSCH, it can be: according to the priority order of the PSSCH, one or more resources with the highest priority are selected from the second SL resources, and the selected resources are selected.
- the corresponding SL process serves as the at least one SL process.
- the base station periodically allocates N SL transmission resources/SL transmission opportunities through the configured grant, the sender transmits a total of M TB/MAC PDUs on the N SL transmission resources/SL transmission opportunities, and the terminal receives the retransmission
- the first SL authorization is transmitted, and the sidelink process(s) associated with the first SL authorization is determined to be the highest X (X is less than or equal to M) SL logical channels according to the highest SL logical channel priority contained in the M MAC PDUs
- the sidelink process(s) corresponding to the MAC PDU corresponding to the priority X is less than or equal to M
- the following provides a number of examples of using one or more of the SL processes corresponding to the second SL resource as the at least one SL process by adopting multiple ways from one to three of the foregoing manners:
- the first and second methods determine the first number of SL processes according to the second method; and, according to the first method, determine the second number autonomously from the first number of SL processes SL process.
- the first number is greater than or equal to the second number.
- method 2 and method 3 determine the seventh number of SL processes according to the second method; and, according to the third method, determine the seventh number of SL processes from the seventh number of SL processes.
- the seventh number is greater than or equal to the eighth number
- the eighth number is greater than or equal to the ninth number.
- the terminal may use one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization as the at least one SL process according to at least one of the following methods:
- Manner 4 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization as the at least one SL process by means of autonomous determination by the terminal;
- Manner 5 According to the received at least one physical direct link feedback channel PSFCH, determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process ;
- Manner 6 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process according to the priority of the physical through link shared channel PSSCH.
- the following provides multiple ways of using the above-mentioned ways four to six, and taking one or more of the SL processes corresponding to the first HARQ process number contained in the first SL authorization as several examples of the at least one SL process :
- method five and method six determine the sixteenth number of SL processes according to the method five; and, according to the sixth method, determine from the sixteenth number of SL processes The seventeenth number of SL processes; and, according to method four, autonomously determine the eighteenth number of SL processes from the seventeenth number of SL processes.
- the sixteenth number is greater than or equal to the seventeenth number
- the seventeenth number is greater than or equal to the eighteenth number.
- the first information may specifically include an SL process number (SL process ID), a resource identifier (source ID), and (destination ID).
- SL process ID an SL process number
- source ID a resource identifier
- destination ID can be represented by the receiving end ID.
- the mapping relationship the SL process corresponding to the first HARQ process number is determined.
- the method for determining the through link process in some embodiments of the present disclosure can be based on the mapping relationship between HARQ ID and SL transmission resources/transmission opportunities included in the first SL authorization, and the terminal received
- the priority of the PSFCH and/or PSSCH determines the SL process ID corresponding to the HARQ ID authorized by the first SL, thereby providing support for SL retransmission.
- the method for determining the through link process of some embodiments of the present disclosure when executed on the terminal side, may specifically include the following steps:
- the terminal receives the first SL authorization, assuming that the first SL authorization contains the first HARQ process number;
- the first SL grant is used to schedule the SL Retransmitted
- the CRC authorized by the first SL is scrambled by the SL RNTI (that is, the first RNTI in the foregoing), it means that the initial transmission corresponding to the retransmission scheduled by the first SL is dynamic scheduling, and the first SL
- the sidelink process corresponding to the authorization is the sidelink process corresponding to the PSCCH duration(s) and PSSCH duration(s) occupied by the SL initial transmission.
- the sidelink process corresponding to the first SL authorization is the sidelink process corresponding to the initial transmission of the SL;
- the CRC authorized by the first SL is scrambled by the SL cs-RNTI (that is, the second RNTI in the foregoing), it means that the initial transmission corresponding to the retransmission scheduled by the first SL is configured grant scheduling, and the first SL is authorized
- the corresponding sidelink process is one or more of the sidelink process(s) corresponding to the PSCCH duration(s) and PSSCH duration(s) occupied by the first SL transmission; or the sidelink process corresponding to the first SL authorization corresponds to the first SL transmission
- One or more of the sidelink processes specifically, can be determined in any one or more of the following three ways:
- the terminal can determine the sidelink process associated with the first SL authorization to be one or more of the PSCCH duration(s) and PSSCH duration(s) corresponding to the first SL transmission. Or, the terminal determines that the sidelink process authorized by the first SL is one or more of the sidelink processes corresponding to the initial SL transmission.
- the terminal can determine whether one or more of the PSCCH duration(s) and PSSCH duration(s) corresponding to the first PSCCH duration(s) and PSSCH duration(s) occupied by the first transmission is the same as the first SL authorization association; or, according to the received PSFCH(s), the terminal determines that the sidelink process of the first SL authorization association is one or more of the sidelink processes corresponding to the initial SL transmission.
- the terminal can determine the sidelink process associated with the first SL authorization to be the PSCCH duration(s) and PSSCH duration(s) corresponding to the PSSCH duration(s) occupied by the first SL transmission according to the priority of different PSSCH(s) ); or, according to the priority of different PSSCH(s), the terminal may determine the sidelink process associated with the first SL authorization to be one or more of the sidelink processes corresponding to the initial SL transmission;
- identifying at least one SL process associated with the first SL authorization are provided below:
- the NDI included in the first SL authorization is not reversed compared with the NDI included in the SL authorization corresponding to the same HARQ ID before, and the CRC of the first SL authorization is scrambled by the SL RNTI (first RNTI), it means that The initial transmission corresponding to the retransmission scheduled by the first SL authorization is dynamic scheduling.
- the sidelink process associated with the first SL authorization is the PSCCH duration(s) and PSSCH duration(s) occupied by the first SL transmission.
- sidelink process; or the sidelink process associated with the first SL authorization is the sidelink process corresponding to the initial transmission of the SL;
- the NDI included in the first SL authorization is not reversed compared with the NDI included in the SL authorization corresponding to the same HARQ ID before, and the CRC of the first SL authorization is scrambled by SL cs-RNTI (second RNTI), then Indicates that the initial transmission corresponding to the retransmission scheduled by the first SL authorization is configured grant scheduling, and the sidelink process(s) associated with the first SL authorization corresponds to the PSCCH duration(s) and PSSCH duration(s) occupied by the first SL transmission
- One or more of the sidelink process(s) of the first SL; or the sidelink process(s) associated with the first SL authorization is one or more of the sidelink process(s) corresponding to the initial transmission of the SL.
- the receiving module 31 is configured to receive the first direct link SL grant sent by the network on the physical layer downlink control channel PDCCH;
- the determining module 32 is configured to determine at least one SL process associated with the authorization of the first SL if the first SL authorization indicates retransmission.
- the determining module is further used for:
- the first SL authorization is the SL authorization for the first RNTI of the MAC entity, and the new data contained in the first SL authorization indicates the NDI, compared to the last received before the first SL authorization for the first RNTI If the NDI contained in the HARQ information of the HARQ process number is not overturned, the first SL resource or the SL process corresponding to the initial SL transmission is used as the at least one SL process, or the SL process corresponding to the first HARQ process number As the at least one SL process;
- the second SL resource or the SL process corresponding to the initial SL transmission One or more are used as the at least one SL process, or one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization are used as the at least one SL process.
- the first SL resource is any one of the following resources:
- the second SL resource is any one of the following resources:
- the determining module is further used for:
- one or more of the SL processes corresponding to the second SL resource is used as the at least one SL process:
- Manner 1 Determine one or more of the SL processes corresponding to the second SL resource as the at least one SL process by means of autonomous determination by the terminal;
- Manner 2 According to the received at least one physical direct link feedback channel PSFCH, determine one or more of the SL processes corresponding to the second SL resource as the at least one SL process;
- Manner 3 According to the priority of the physical direct link shared channel PSSCH, one or more of the SL processes corresponding to the second SL resource is determined as the at least one SL process.
- the determining module is further used for:
- the first and second methods determine the first number of SL processes according to the second method; and, according to the first method, determine the second number of SL processes autonomously from the first number of SL processes process;
- the determining module is further used for:
- one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization is used as the at least one SL process:
- Manner 4 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL authorization as the at least one SL process by means of autonomous determination by the terminal;
- Manner 5 According to the received at least one physical direct link feedback channel PSFCH, determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process ;
- Manner 6 Determine one or more of the SL processes corresponding to the first HARQ process number included in the first SL grant as the at least one SL process according to the priority of the physical through link shared channel PSSCH.
- the determining module is further used for:
- method five and method six determine the sixteenth number of SL processes according to the fifth method; and, according to the sixth method, determine the sixteenth number of SL processes from the sixteenth method.
- the seventeenth number of SL processes; and, according to the fourth method, the eighteenth number of SL processes are autonomously determined from the seventeenth number of SL processes.
- the terminal further includes:
- the resource determination module is configured to use the received first SL authorization to determine the MAC PDU retransmission resource corresponding to the at least one SL process before identifying the at least one SL process associated with the first SL authorization.
- the resource determination module is further configured to use the received first SL authorization to determine the MAC PDU retransmission resource corresponding to the at least one SL process when any of the following conditions is met:
- the first SL authorization is an SL authorization for the first wireless network temporary identity RNTI of the media access control MAC entity, and the first new data included in the first SL authorization indicates NDI, compared to the first SL authorization
- the second NDI contained in the HARQ information for the first HARQ process number received last time has not been overturned;
- the first SL authorization is the SL authorization for the second RNTI of the MAC entity, and the first SL authorization indication is the activated configured SL authorization to retransmit the configured sidelink grant.
- the terminal embodiment is a device corresponding to the foregoing method embodiment, and all implementation manners in the foregoing method embodiment are applicable to the terminal embodiment, and the same or similar technical effects can also be achieved.
- FIG. 4 is a schematic structural diagram of a terminal provided by some embodiments of the present disclosure.
- the terminal 400 includes a processor 401, a transceiver 402, a memory 403, a user interface 404, and a bus interface.
- the terminal 400 further includes a program that is stored in the memory 403 and can be run on the processor 401.
- the processor 401 implements the following steps when executing the program:
- At least one SL process associated with the first SL authorization is determined.
- each process of the method for determining a through link process embodiment shown in FIG. 2 can be realized, and the same technical effect can be achieved. To avoid repetition, I won’t repeat it here.
- the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 401 and various circuits of the memory represented by the memory 403 are linked together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
- the bus interface provides the interface.
- the transceiver 402 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
- the user interface 404 may also be an interface capable of connecting externally and internally with the required equipment.
- the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 401 is responsible for managing the bus architecture and general processing, and the memory 403 can store data used by the processor 401 when performing operations.
- a computer-readable storage medium on which a program is stored, and the program is executed by a processor to implement the following steps:
- At least one SL process associated with the first SL authorization is determined.
- the disclosed device and method may be implemented in other ways.
- the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments of the present disclosure.
- the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solution of the present disclosure essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present disclosure.
- the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
- modules, units, sub-modules, sub-units, etc. can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (Digital Signal Processing, DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, Other electronic units or combinations thereof that perform the functions described in the present disclosure.
- ASICs application specific integrated circuits
- DSP Digital Signal Processing
- DSP Device digital signal processing equipment
- PLD Programmable Logic Device
- Field-Programmable Gate Array Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
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Abstract
Description
Claims (21)
- 一种确定直通链路进程的方法,应用于终端,包括:接收网络在物理层下行控制信道PDCCH上发送的第一直通链路SL授权;若第一SL授权指示重传,则确定所述第一SL授权关联的至少一个SL进程。
- 如权利要求1所述的方法,其中,确定所述第一SL授权关联的至少一个SL进程,包括:若所述第一SL授权为针对介质访问控制层MAC实体的第一无线网络临时标识RNTI的SL授权,且第一SL授权中包含的新数据指示NDI,相比于第一SL授权之前最近一次接收到的针对所述第一混合自动重传请求HARQ进程号的HARQ信息种包含的NDI,未发生翻转,则将第一SL资源或SL初传所对应的SL进程作为所述至少一个SL进程,或者,将第一HARQ进程号对应的SL进程作为所述至少一个SL进程;或者,若所述第一SL授权为针对MAC实体的第二RNTI的SL授权,且PDCCH内容指示为激活的配置的直通链路授权(configured sidelink grant)的重传,则将第二SL资源或SL初传所对应的SL进程中的一个或多个作为所述至少一个SL进程,或者,将所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个作为所述至少一个SL进程。
- 如权利要求2所述的方法,其中,所述第一SL资源为以下资源中的任一种:SL初传所占用的资源或所占用的物理直通链路控制信道PSCCH期间PSCCH duration(s)和物理直通链路共享信道PSSCH期间PSSCH duration(s);第一SL授权之前最近一次接收到的包含第一HARQ进程号的SL授权/PDCCH指示的资源,或,PSCCH期间PSCCH duration(s)和PSSCH期间PSSCH duration(s);所述第二SL资源为以下资源中的任一种:SL初传所占用的资源或所占用的PSCCH期间PSCCH duration(s)和PSSCH期间PSSCH duration(s);第一HARQ进程号所对应的SL资源,或,PSCCH期间PSCCH duration(s)和PSSCH期间PSSCH duration(s)。
- 如权利要求3所述的方法,其中,按照以下方式中的至少一种,将第二SL资源所对应的SL进程中的一个或多个作为所述至少一个SL进程:方式一:通过终端自主确定的方式,确定第二SL资源所对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式二:根据接收到的至少一个物理直通链路反馈信道PSFCH,确定第二SL资源所对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式三:根据物理直通链路共享信道PSSCH的优先级,确定第二SL资源所对应的SL进程中的一个或多个,作为所述至少一个SL进程。
- 如权利要求4所述的方法,其中,当采用方式一和方式二时,按照所述方式二,确定出第一数量的SL进程;以及,按照所述方式一,从所述第一数量的SL进程中自主确定出第二数量的SL进程;当采用方式一和方式三时,按照所述方式三,确定出第三数量的SL进程;以及,按照所述方式一,从所述第三数量的SL进程中自主确定出第四数量的SL进程;当采用方式二和方式三时,按照所述方式二,确定出第五数量的SL进程;以及,按照所述方式三,从所述第五数量的SL进程中确定出第六数量的SL进程;当采用方式一、方式二和方式三时,按照所述方式二,确定出第七数量的SL进程;以及,按照所述方式三,从所述第七数量的SL进程中确定出第八数量的SL进程;以及,按照方式一,从所述第八数量的SL进程中自主确定出第九数量的SL进程。
- 如权利要求3所述的方法,其中,按照以下方式中的至少一种,将所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个作为所述至少一个SL进程:方式四:通过终端自主确定的方式,确定所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式五:根据接收到的至少一个物理直通链路反馈信道PSFCH,确定所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式六:根据物理直通链路共享信道PSSCH的优先级,确定所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个,作为所述至少一个SL进程。
- 如权利要求6所述的方法,其中,当采用方式四和方式五时,按照所述方式五,确定出第十数量的SL进程;以及,按照所述方式四,从所述第十数量的SL进程中自主确定出第十一数量的SL进程;当采用方式四和方式六时,按照所述方式六,确定出第十二数量的SL进程;以及,按照所述方式四,从所述第十二数量的SL进程中自主确定出第十三数量的SL进程;当采用方式五和方式六时,按照所述方式五,确定出第十四数量的SL进程;以及,按照所述方式六,从所述第十四数量的SL进程中确定出第十五数量的SL进程;当采用方式四、方式五和方式六时,按照所述方式五,确定出第十六数量的SL进程;以及,按照所述方式六,从所述第十六数量的SL进程中确定出第十七数量的SL进程;以及,按照方式四,从所述第十七数量的SL进程中自主确定出第十八数量的SL进程。
- 如权利要求1所述的方法,其中,在确定所述第一SL授权关联的至少一个SL进程的步骤之前,所述方法还包括:使用接收到的第一SL授权确定所述至少一个SL进程对应的介质访问控制层协议数据单元MAC PDU的重传资源。
- 如权利要求8所述的方法,其中,在满足以下任一条件时,使用接收到的第一SL授权确定所述至少一个SL进程对应的MAC PDU的重传资源:所述第一SL授权为针对媒体接入控制MAC实体的第一无线网络临时标 识RNTI的SL授权,且所述第一SL授权中包含的第一新数据指示NDI,相比于第一SL授权之前最近一次接收到的针对第一HARQ进程号的HARQ信息中包含的第二NDI,未发生翻转;或者,所述第一SL授权为针对MAC实体的第二RNTI的SL授权,且第一SL授权指示为激活的配置的SL授权configured sidelink grant的重传。
- 一种终端,包括:接收模块,用于接收网络在物理层下行控制信道PDCCH上发送的第一直通链路SL授权;确定模块,用于若第一SL授权指示重传,则确定所述第一SL授权关联的至少一个SL进程。
- 如权利要求10所述的终端,其中,所述确定模块,还用于:若所述第一SL授权为针对MAC实体的第一RNTI的SL授权,且第一SL授权中包含的新数据指示NDI,相比于第一SL授权之前最近一次接收到的针对所述第一HARQ进程号的HARQ信息种包含的NDI,未发生翻转,则将第一SL资源或SL初传所对应的SL进程作为所述至少一个SL进程,或者,将第一HARQ进程号对应的SL进程作为所述至少一个SL进程;或者,若所述第一SL授权为针对MAC实体的第二RNTI的SL授权,且PDCCH内容指示为激活的configured sidelink grant的重传,则将第二SL资源或SL初传所对应的SL进程中的一个或多个作为所述至少一个SL进程,或者,将所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个作为所述至少一个SL进程。
- 如权利要求11所述的终端,其中,所述第一SL资源为以下资源中的任一种:SL初传所占用的资源或所占用的PSCCH期间和PSSCH期间;第一SL授权之前最近一次接收到的的包含第一HARQ进程号的SL授权/PDCCH指示的资源,或,PSCCH期间和PSSCH期间;所述第二SL资源为以下资源中的任一种:SL初传所占用的资源或所占用的PSCCH期间和PSSCH期间;第一HARQ进程号所对应的SL资源,或,PSCCH期间和PSSCH期间。
- 如权利要求12所述的终端,其中,所述确定模块,还用于:按照以下方式中的至少一种,将第二SL资源所对应的SL进程中的一个或多个作为所述至少一个SL进程:方式一:通过终端自主确定的方式,确定第二SL资源所对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式二:根据接收到的至少一个物理直通链路反馈信道PSFCH,确定第二SL资源所对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式三:根据物理直通链路共享信道PSSCH的优先级,确定第二SL资源所对应的SL进程中的一个或多个,作为所述至少一个SL进程。
- 如权利要求13所述的终端,其中,所述确定模块,还用于:当采用方式一和方式二时,按照所述方式二,确定出第一数量的SL进程;以及,按照所述方式一,从所述第一数量的SL进程中自主确定出第二数量的SL进程;当采用方式一和方式三时,按照所述方式三,确定出第三数量的SL进程;以及,按照所述方式一,从所述第三数量的SL进程中自主确定出第四数量的SL进程;当采用方式二和方式三时,按照所述方式二,确定出第五数量的SL进程;以及,按照所述方式三,从所述第五数量的SL进程中确定出第六数量的SL进程;当采用方式一、方式二和方式三时,按照所述方式二,确定出第七数量的SL进程;以及,按照所述方式三,从所述第七数量的SL进程中确定出第八数量的SL进程;以及,按照方式一,从所述第八数量的SL进程中自主确定出第九数量的SL进程。
- 如权利要求12所述的终端,其中,所述确定模块,还用于:按照以下方式中的至少一种,将所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个作为所述至少一个SL进程:方式四:通过终端自主确定的方式,确定所述第一SL授权中包含的第一 HARQ进程号对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式五:根据接收到的至少一个物理直通链路反馈信道PSFCH,确定所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个,作为所述至少一个SL进程;方式六:根据物理直通链路共享信道PSSCH的优先级,确定所述第一SL授权中包含的第一HARQ进程号对应的SL进程中的一个或多个,作为所述至少一个SL进程。
- 如权利要求15所述的终端,其中,所述确定模块,还用于:当采用方式四和方式五时,按照所述方式五,确定出第十数量的SL进程;以及,按照所述方式四,从所述第十数量的SL进程中自主确定出第十一数量的SL进程;当采用方式四和方式六时,按照所述方式六,确定出第十二数量的SL进程;以及,按照所述方式四,从所述第十二数量的SL进程中自主确定出第十三数量的SL进程;当采用方式五和方式六时,按照所述方式五,确定出第十四数量的SL进程;以及,按照所述方式六,从所述第十四数量的SL进程中确定出第十五数量的SL进程;当采用方式四、方式五和方式六时,按照所述方式五,确定出第十六数量的SL进程;以及,按照所述方式六,从所述第十六数量的SL进程中确定出第十七数量的SL进程;以及,按照方式四,从所述第十七数量的SL进程中自主确定出第十八数量的SL进程。
- 如权利要求10所述的终端,还包括:资源确定模块,用于在确定所述第一SL授权关联的至少一个SL进程之前,使用接收到的第一SL授权确定所述至少一个SL进程对应的MAC PDU的重传资源。
- 如权利要求17所述的终端,其中,所述资源确定模块,还用于在满足以下任一条件时,使用接收到的第一SL授权确定所述至少一个SL进程对应的MAC PDU的重传资源:所述第一SL授权为针对媒体接入控制MAC实体的第一无线网络临时标 识RNTI的SL授权,且所述第一SL授权中包含的第一新数据指示NDI,相比于第一SL授权之前最近一次接收到的针对第一HARQ进程号的HARQ信息中包含的第二NDI,未发生翻转;或者,所述第一SL授权为针对MAC实体的第二RNTI的SL授权,且第一SL授权指示为激活的配置的SL授权configured sidelink grant的重传。
- 一种终端,包括收发机和处理器,其中,所述收发机,用于接收网络在物理层下行控制信道PDCCH上发送的第一直通链路SL授权;所述处理器,用于若第一SL授权指示重传,则确定所述第一SL授权关联的至少一个SL进程。
- 一种终端,包括:处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至9任一项所述的确定直通链路进程的方法的步骤。
- 一种计算机可读存储介质,其中,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如权利要求1至9任一项所述的确定直通链路进程的方法的步骤。
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