WO2022218369A1 - 旁链路反馈资源的确定方法、终端及网络侧设备 - Google Patents

旁链路反馈资源的确定方法、终端及网络侧设备 Download PDF

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Publication number
WO2022218369A1
WO2022218369A1 PCT/CN2022/086763 CN2022086763W WO2022218369A1 WO 2022218369 A1 WO2022218369 A1 WO 2022218369A1 CN 2022086763 W CN2022086763 W CN 2022086763W WO 2022218369 A1 WO2022218369 A1 WO 2022218369A1
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WIPO (PCT)
Prior art keywords
resource
terminal
feedback
pssch
resources
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PCT/CN2022/086763
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English (en)
French (fr)
Inventor
彭淑燕
纪子超
王欢
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维沃移动通信有限公司
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Priority to JP2023563258A priority Critical patent/JP2024516949A/ja
Priority to EP22787591.1A priority patent/EP4325762A1/en
Publication of WO2022218369A1 publication Critical patent/WO2022218369A1/zh
Priority to US18/379,859 priority patent/US20240040594A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/25Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/40Resource management for direct mode communication, e.g. D2D or sidelink
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0808Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a method for determining a sidelink feedback resource, a terminal and a network side device.
  • the transmission node can use the load based equipment (Load based equipment, LBE) method in the unlicensed frequency band.
  • LBE load based equipment
  • New Radio (NR, NR) Vehicle to Everything (V2X) supports a new SL channel, namely physical Sidelink Feedback Channel (Physical Sidelink Feedback Channel, PSFCH).
  • PSFCH Physical Sidelink Feedback Channel
  • the introduction of PSFCH can improve the reliability of the system and improve the resource utilization in the system.
  • the time-frequency domain resources of the PSFCH and the Physical Sidelink Control Channel (PSCCH) or the Physical Sidelink Shared Channel (PSSCH) satisfy a predefined mapping relationship, and the transmission flexibility is limited.
  • the resource location of the PSFCH determined according to the PSSCH and/or the PSCCH and the predefined rules may not be used for the transmission of the PSFCH.
  • the embodiments of the present application provide a method for determining link feedback resources, a terminal, and a network-side device, which can solve the problem of limited flexibility of SL feedback resources in an unlicensed frequency band and cannot be used for feedback information transmission.
  • a method for determining a sidelink feedback resource comprising:
  • the first terminal determines a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • a method for determining a sidelink feedback resource comprising:
  • the second terminal or the scheduling terminal performs feedback information detection on the first resource, where the first resource is one or more resources for the first terminal to perform the channel access procedure.
  • a method for determining a sidelink feedback resource comprising:
  • the network-side device performs feedback information detection on a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • an apparatus for determining a sidelink feedback resource including:
  • the first determining unit is configured to determine a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • an apparatus for determining a sidelink feedback resource including:
  • a third processing unit configured to perform feedback information detection on a first resource, where the first resource is one or more resources used by the first terminal to perform a channel access procedure.
  • an apparatus for determining a sidelink feedback resource including:
  • a sixth processing unit configured to perform feedback information detection on a first resource, where the first resource is one or more resources used by the first terminal to perform a channel access procedure.
  • a terminal in a seventh aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor. The steps of implementing the method of the first aspect or the second aspect.
  • a terminal including a processor and a communication interface, wherein the processor is configured to determine a first resource, wherein the first resource is one or one of a channel access procedure performed by the first terminal. multiple resources.
  • a network side device in a ninth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the third aspect when executed.
  • a network side device including a processor and a communication interface, wherein the processor is configured to perform feedback information detection on a first resource, wherein the first resource is a channel connection performed by a first terminal One or more resources entered into the process.
  • a readable storage medium where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the side-link feedback resource according to the first aspect is implemented.
  • the steps of the determination method are either the steps of implementing the method for determining sidelink feedback resources as described in the second aspect, or the steps of implementing the method for determining sidelink feedback resources as described in the third aspect.
  • a twelfth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the first aspect
  • the method for determining the sidelink feedback resource is implemented by implementing the method for determining the sidelink feedback resource as described in the second aspect, or implementing the method for determining the sidelink feedback resource as described in the third aspect.
  • a thirteenth aspect provides a computer program/program product, the computer program/program product being stored in a storage medium, the program/program product being executed by at least one processor to implement the first aspect
  • the steps of the method for determining sidelink feedback resources, or the steps for implementing the method for determining sidelink feedback resources as described in the second aspect, or the steps for implementing the method for determining sidelink feedback resources as described in the third aspect are performed by at least one processor to implement the first aspect.
  • the first terminal determines the first resource for performing the channel access procedure, the detection position is flexible and controllable, and the scheduling flexibility is high, and the first terminal only needs to perform channel access on the first resource, and it can be The energy consumption detected by the first terminal is saved.
  • FIG. 1 is a schematic diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG. 2 is one of the schematic flowcharts of a method for determining a sidelink feedback resource according to an embodiment of the present application
  • FIG. 3 is one of the schematic diagrams of semi-statically configuring one/more PSFCH candidate resources according to an embodiment of the present application
  • FIG. 4 is the second schematic diagram of semi-static configuration of one or more PSFCH candidate resources provided by an embodiment of the present application
  • FIG. 5 is a schematic diagram of sending a PSFCH by a first terminal sharing a COT of a second terminal according to an embodiment of the present application
  • FIG. 6 is a schematic diagram of sending the PSFCH of the first terminal and the PSSCH and/or PSCCH of the first terminal in the same time domain unit according to an embodiment of the present application;
  • FIG. 7 is a schematic diagram of all time domain resources provided in this embodiment of the present application being PSFCH candidate resources;
  • FIG. 8 is a schematic diagram of dynamically indicating one or more PSFCH candidate resources according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a PSCCH/PSSCH associated with a PSFCH resource provided by an embodiment of the present application.
  • FIG. 10 is a second schematic flowchart of a method for determining a sidelink feedback resource according to an embodiment of the present application.
  • FIG. 11 is a third schematic flowchart of a method for determining a sidelink feedback resource according to an embodiment of the present application.
  • FIG. 12 is one of schematic structural diagrams of an apparatus for determining a sidelink feedback resource provided by an embodiment of the present application.
  • FIG. 13 is a second schematic structural diagram of an apparatus for determining a sidelink feedback resource provided by an embodiment of the present application.
  • FIG. 14 is a third schematic structural diagram of an apparatus for determining a sidelink feedback resource provided by an embodiment of the present application.
  • FIG. 15 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • 16 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • FIG. 17 is a schematic structural diagram of a network side device according to an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques can also be applied to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
  • 6th generation 6th generation
  • 6G 6th generation
  • FIG. 1 shows a schematic diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a 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, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • unlicensed band can be used as a supplement to licensed band to help operators expand services.
  • unlicensed bands can operate in the 5GHz, 37GHz and 60GHz bands. Since the unlicensed frequency band is shared by a variety of radio access technologies (Radio Access Technology, RAT), such as WiFi, radar, Long Term Evolution Assisted Access (Long Term Evolution Assisted Access, LTE-LAA), etc., in some countries or regions , Unlicensed frequency bands must be compliant to ensure that all devices can use the resource fairly, such as listen before talk (LBT), maximum channel occupancy time (MCOT) and other rules.
  • LBT listen before talk
  • MCOT maximum channel occupancy time
  • the transmission node When the transmission node needs to send information and needs to do LBT first, it performs energy detection (ED) on the surrounding nodes. When the detected power is lower than a threshold, the channel is considered to be empty (idle), and the transmission node can to send. On the contrary, the channel is considered to be busy, and the transmission node cannot send.
  • the transmission node can be a base station, UE, WiFi AP, etc. After the transmission node starts transmission, the channel occupancy time (COT) cannot exceed MCOT.
  • Category1 LBT means that the sending node does not do LBT, that is, no LBT or immediate transmission.
  • Category 2 LBT is one-shot LBT, that is, the node performs an LBT before transmission, the channel is empty, and the transmission is performed, and the channel is busy, it is not transmitted.
  • Category 4 LBT is a channel listening mechanism based on back-off. When the transmitting node detects that the channel is busy, it will back off and continue to listen until it detects that the channel is empty.
  • Category 2LBT applies to no Discovery Reference Signal (DRS) without Physical Downlink Shared Channel (PDSCH)
  • Category 4 LBT applies to PDSCH/Physical Downlink Control Channel (PDCCH) )/extended physical downlink control channel (Extended PDCCH, ePDCCH).
  • category4 LBT corresponds to type1 UL channel access procedure
  • category2 LBT corresponds to type2 UL channel access procedure.
  • FBE Frame Based Equipment
  • the FBE node uses the LBT-based channel access mechanism to occupy the channel.
  • the node that initiates the transmission sequence including one or more consecutive transmissions is called the initiating node (Initiating Device), and the other nodes are called the responding node (Responding Device).
  • FBE nodes can be initiating nodes, responding nodes, or supporting both node functions at the same time.
  • the transmitting node can start LBT at any time until it detects that the channel is empty before transmitting. For the transmission node, there is no fixed listening time, and it does not need to skip when the channel is busy. It can continue to listen by backoff several Extended Clear Channel Assessments (eCCA). Until the counter counter of eCCA is zero.
  • eCCA Extended Clear Channel Assessment
  • NR V2X supports a new SL channel, namely PSFCH.
  • PSFCH has a fixed association relationship with PSCCH/PSSCH, and the transmission flexibility is limited.
  • FIG. 2 is one of the schematic flowcharts of a method for determining a sidelink feedback resource provided by an embodiment of the present application, including:
  • Step 200 The first terminal determines a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • the first terminal is a receiving end device of PSSCH and/or PSCCH, and a transmitting end device of feedback information.
  • the first terminal determines a first resource, where the first resource is a resource for the first terminal to perform a channel access procedure, that is, the first terminal performs a channel access procedure on the first resource.
  • the first resource is one or more resources.
  • the channel access process includes:
  • step 4) If the time of the additionally detected Td is idle, step 4) is performed, otherwise, step 5) is performed.
  • the first resource is pre-defined by protocol, network pre-configuration, terminal pre-configuration, network configuration, terminal configuration, media access control control element (Media Access Control Control Element, MAC CE), downlink control information (Downlink Control Information, At least one of a DCI) indication and a sidelink control information (Sidelink Control Information, SCI) indication is determined.
  • Media Access Control Control Element Media Access Control Control Element, MAC CE
  • Downlink Control Information Downlink Control Information
  • At least one of a DCI Downlink Control Information
  • SCI Sidelink Control Information
  • the first terminal determines a candidate feedback resource position according to the position of the PSSCH and/or PSCCH, performs a channel access process on the candidate feedback resource position, and sends feedback information if the access is successful, otherwise, at the next candidate feedback resource position access.
  • the first terminal determines the first resource for performing the channel access procedure, the detection position is flexible and controllable, and the scheduling flexibility is high, and the first terminal only needs to perform channel access on the first resource, and it can be The energy consumption detected by the first terminal is saved.
  • the first resource includes at least one of the following:
  • Channel State Information Channel State Information
  • Hybrid Automatic Repeat request (HARQ) resource HARQ
  • the embodiment of the present application provides a method for determining SL feedback resources in an unlicensed frequency band.
  • the candidate feedback resources or feedback resources are: PSFCH resources, CSI reported resources or HARQ resources.
  • the detection resource is a resource used by the first terminal to perform channel detection.
  • the first terminal determines the first resource, including at least one of the following:
  • the first terminal determines the first resource according to the first physical sidelink shared channel PSSCH and/or the physical sidelink control channel PSCCH and a first mapping rule, where the first mapping rule is used to represent the first PSSCH and/or the mapping relationship between PSCCH and the first resource;
  • the first terminal determines the first resource according to the data transmission of the network-side device and a second mapping rule, and the second mapping rule is used to represent the mapping relationship between the data transmission of the network-side device and the first resource;
  • the first terminal determines the first resource according to the second PSSCH and/or PSCCH and a third mapping rule, and the third mapping rule is used to indicate the mapping of the second PSSCH and/or PSCCH and the first resource relation;
  • the first terminal determines the first resource according to the location of the configuration information or the indication information and a fourth mapping rule, where the fourth mapping rule is used to indicate the mapping between the location of the configuration information or the indication information and the first resource relation;
  • the first terminal determines the first resource according to a channel parameter and a fifth mapping rule, where the fifth mapping rule is used to indicate a mapping relationship between the channel parameter and the first resource.
  • the first terminal determines the first resource according to the first physical sidelink shared channel PSSCH and/or the physical sidelink control channel PSCCH and a first mapping rule, and the first A mapping rule is used to indicate the mapping relationship between the first PSSCH and/or PSCCH and the first resource.
  • the first PSSCH and/or PSCCH is at least one of the following: PSSCH and/or PSCCH sent by the second terminal; PSSCH and/or PSCCH scheduled by the scheduling terminal; PSSCH and/or PSCCH carrying scheduling information of the scheduling terminal ; PSSCH and/or PSCCH scheduled by the network side device;
  • the second terminal is a transmitting end device of PSSCH or PSCCH, and a receiving end device that feeds back information.
  • the scheduling terminal may be a header UE, which is used to control data transmission and reception of a pair of UEs.
  • the scheduling terminal may be a device that sends PSSCH and/or PSCCH, or a device that controls the terminal/head terminal to send PSSCH and/or PSCCH, or a device that authorizes the terminal to send PSSCH and/or PSCCH.
  • the first PSSCH and/or PSCCH are determined according to at least one of the first-level SCI, the second-level SCI and the location of the transmitted data.
  • the first-level SCI is carried on the PSCCH
  • the second-level SCI and data are carried on the PSSCH.
  • the first mapping rule satisfies at least one of the following:
  • the first mapping rule is obtained by pre-defining or pre-configuring or configuring
  • M is a value predefined or pre-configured or configured by a protocol
  • the mapping relationship between the first PSSCH and/or PSCCH and the first resource is one-to-one, one-to-many, many-to-one or many-to-many;
  • the interval between the i-th first resource and the j-th first resource in the first mapping rule is greater than L, where i, j are positive integers greater than or equal to 1, and L is a predefined or preconfigured or configured or indicated value.
  • pre-definition refers to protocol pre-definition
  • pre-configuration refers to network-side equipment or the second terminal or scheduling terminal pre-configured through Radio Resource Control (RRC) signaling
  • configuration refers to network-side equipment or second terminal Or the scheduling terminal is configured through RRC signaling.
  • RRC Radio Resource Control
  • a first mapping rule is pre-defined or pre-configured or configured.
  • the first mapping rule is: The mapping rule of the PSFCH, where M is a value predefined or preconfigured or configured by the protocol.
  • the first mapping rule is one or more, that is, the mapping relationship between the first PSSCH and/or PSCCH and the first resource is one-to-one, one-to-many, many-to-one or many-to-many.
  • L is the maximum channel occupation time MCOT
  • the interval between the i-th first resource and the j-th first resource in the first mapping rule is greater than the maximum channel occupation time MCOT
  • i, j are positive values greater than or equal to 1. Integer.
  • the interval between the first PSFCH candidate feedback resource and the last PSFCH candidate feedback resource is greater than the MCOT of the PSSCH. In this way, it can be guaranteed that all PSFCH candidate feedback resources will not fail because all of them are located in one COT.
  • FIG. 3 is one of the schematic diagrams of semi-statically configuring one or more PSFCH candidate resources according to an embodiment of the present application.
  • FIG. 4 is the second schematic diagram of semi-statically configuring one or more PSFCH candidate resources according to an embodiment of the present application.
  • the first terminal performs a channel access procedure, and preempts resources to send the PSFCH.
  • For M PSFCH periods configure the mapping rules of the PSFCH. It may be that one PSSCH and/or PSCCH corresponds to M candidate PSFCH resources.
  • Defining multiple candidate PSFCH resources can provide more access opportunities for the first terminal.
  • mapping relationship between the first PSSCH and/or PSCCH and the first resource includes:
  • the first transmission interval Gap1 is a predefined or preconfigured or configured or indicated value.
  • the first resource is related to the first PSSCH and/or PSCCH.
  • the DCI corresponds to the PSSCH and/or PSCCH scheduled by the network side device; the SCI corresponds to the PSSCH and/or PSCCH scheduled by the terminal side device (second terminal or scheduling terminal).
  • the SCI here can be a first-level SCI or a second-level SCI.
  • the DCI or SCI indicates the first transmission interval Gap1 between the first resource and the first PSSCH and/or PSCCH. It can be understood that the first resource is located at a gap Gap1 after the first PSSCH and/or PSCCH transmission.
  • the first transmission interval Gap1 indicating the first resource and the first PSSCH and/or PSCCH through DCI or SCI is applicable to the case where the first terminal shares the COT of the second terminal.
  • the DCI or SCI carries at least one of the following information:
  • K is a positive integer greater than or equal to 1.
  • FIG. 5 is a schematic diagram of sending a PSFCH by a first terminal sharing a COT of a second terminal according to an embodiment of the present application.
  • the TX UE initiated COT that is, the resource obtained by the second terminal performing the channel access process
  • the second terminal sends SCI to indicate the COT information (for example: current COT/next COT) where the feedback information of the first terminal (RX UE in FIG. 4 ) is located, including the following situations :
  • the UE ID of the first terminal is carried in the SCI
  • the SCI implicitly indicates the COT information where the first terminal is located on the PSFCH.
  • the first terminal determines the first resource according to data transmission of the network-side device and a second mapping rule, and the second mapping rule is used to indicate the data transmission of the network-side device A mapping relationship with the first resource.
  • the first resource is related to data transmission of the network side device.
  • the second mapping rule is obtained through pre-definition or pre-configuration or configuration.
  • mapping relationship between the data transmission of the network side device and the first resource includes:
  • the second transmission interval Gap2 is a predefined or preconfigured or configured or indicated value.
  • the second transmission interval Gap2 between the first resource and the PUSCH/PDSCH may be dynamically indicated to the first terminal through DCI, but the value of Gap2 may be determined through pre-defined or pre-configured or configuration or instruction. This embodiment is applicable to the case where the first terminal shares the COT of the network-side device.
  • the position of the first resource at the interval Gap2_UL after the UL transmission of the gNB is dynamically indicated through DCI, or the position of the first resource at the interval Gap2_DL after the DL transmission of the gNB is dynamically indicated through DCI place.
  • Gap2_UL/Gap2_DL are predefined or preconfigured or configured or indicated values.
  • the first terminal determines the first resource according to the second PSSCH and/or PSCCH and a third mapping rule, and the third mapping rule is used to represent the second PSSCH and/or the mapping relationship between the PSCCH and the first resource.
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal. That is, the second PSSCH and/or PSCCH are the second PSSCH and/or PSCCH to be sent by the first terminal.
  • the first resource and the second PSSCH and/or PSCCH are sent in the same time domain unit.
  • the time domain unit may be a symbol, a time slot, or a millisecond.
  • the third mapping rule is obtained by pre-defining or pre-configuring or configuring.
  • FIG. 6 is a schematic diagram of sending the PSFCH of the first terminal and the PSSCH and/or PSCCH of the first terminal in the same time domain unit according to an embodiment of the present application.
  • the PSFCH of the first terminal that is, the RX UE corresponding to PSSCH and/or PSSCH 1 performs LBT with the PSSCH and/or PSCCH 2 to be sent. If the access of the first terminal is successful, the PSFCH and PSSCH and/or PSCCH 2 are sent in the same time domain unit.
  • the first terminal determines the first resource according to the location of the configuration information or the indication information and a fourth mapping rule, where the fourth mapping rule is used to represent the configuration information or Indicates the mapping relationship between the location of the information and the first resource.
  • the first resource is related to the location of configuration information or indication information. That is, the first resource is implicitly indicated through configuration information or indication information.
  • the first terminal determines the first resource according to the position of the DCI or the SCI and a fourth mapping rule, and the fourth mapping rule is used to indicate the mapping relationship between the position of the DCI or the SCI and the first resource.
  • the fourth mapping rule is obtained through predefinition or preconfiguration or configuration.
  • the first terminal determines the first resource according to a channel parameter and a fifth mapping rule, where the fifth mapping rule is used to indicate the mapping between the channel parameter and the first resource relation.
  • the first resource is related to a channel parameter.
  • the channel parameters include at least one of the following:
  • CBR Channel Busy Ratio
  • Reference Signal Receiving Power Reference Signal Receiving Power, RSRP
  • RSSI Received Signal Strength Indicator
  • SINR Signal to Interference plus Noise Ratio
  • MCS Modulation and Coding Scheme
  • the fifth mapping rule is obtained through predefinition or preconfiguration or configuration.
  • the relationship between the network pre-configured CR range/CBR range and the feedback resource interval is as follows:
  • CBR range 1 corresponds to (candidate) feedback resource interval N1;
  • CBR range 2 corresponds to (candidate) feedback resource interval N2;
  • the terminal/gNB sets/indicates the interval of the feedback resources according to the feedback resource interval N1.
  • the first resource is part or all of the time domain resources configured on the unlicensed frequency band, or the first resource is all or part of the resources in the resource pool or the channel occupation time COT.
  • Fig. 7 is a schematic diagram of all the time domain resources provided by this embodiment of the present application are PSFCH candidate resources.
  • the first terminal performs channel access and preempts resources to send the PSFCH.
  • the predefined first resource is part or all of the time domain resources configured on the unlicensed frequency band.
  • the first resource performs a channel access process on the part or all of the time domain resources. If the access is successful, the corresponding feedback resources may be occupied to send feedback information.
  • the interval between the first resource and the corresponding PSSCH and/or PSCCH resource is greater than the third transmission interval.
  • the third transmission interval is a predefined/preconfigured value.
  • all resources in the resource pool/COT can be used as the first resource.
  • the first resource may be some resources in the resource pool/COT.
  • the feedback information includes at least one of the following information:
  • the ID of the feedback information receiving end device (for example, the UE ID of the second terminal);
  • the ID of the sending end device of the feedback information (that is, the UE ID of the first terminal);
  • the feedback information receiving end device is the second terminal, the scheduling terminal or the network side device.
  • one PSFCH occasion may carry feedback information of multiple transport blocks (Transport Block, TB) of one UE, and the feedback information receiving end device receives the feedback information and needs to identify the Which TB of feedback.
  • Transport Block Transport Block
  • the first resource is preconfigured or configured through RRC, and/or the first resource is indicated through a medium access control control element MAC CE, DCI or SCI.
  • the first resource is pre-configured or configured through RRC.
  • the second terminal preconfigures or configures the first resource of the first terminal through RRC signaling
  • the scheduling terminal preconfigures or configures the first resource of the first terminal through RRC signaling
  • the network The side device preconfigures or configures the first resource of the first terminal through RRC signaling.
  • the first resource is indicated by a medium access control control element MAC CE, DCI or SCI.
  • the second terminal indicates the first resource of the first terminal through MAC CE or SCI, or the scheduling terminal indicates the first resource of the first terminal through MAC CE or SCI, and the network side device indicates through MAC CE or SCI.
  • the DCI indicates the first resource of the first terminal.
  • the first resource is pre-configured or configured through RRC, and indicated through the medium access control control element MAC CE, DCI or SCI.
  • the first terminal first receives the network preconfigured or configured first resource and the PSSCH or PSCCH transmission interval configuration table, and then receives the network's MAC CE signaling, indicating the specific value of the transmission interval.
  • FIG. 8 is a schematic diagram of dynamically indicating one or more PSFCH candidate resources according to an embodiment of the present application.
  • the second terminal sends an SCI to indicate the location of one/more PSFCH candidate resources.
  • the first terminal performs a channel access process before candidate feedback resources, and if the access is successful, it can occupy corresponding feedback resources to send feedback information.
  • the second terminal detects the PSFCH on candidate feedback resources (such as candidate PSFCH resource 1, candidate PSFCH resource 2 and/or candidate PSFCH resource 3 in FIG. 8 ).
  • the scheduling terminal (such as a Header UE) sends an SCI to indicate one or more PSFCH candidate positions to the first terminal and/or the second terminal.
  • the first terminal performs a channel access process before candidate feedback resources, and if the access is successful, it can occupy corresponding feedback resources to send feedback information.
  • the second terminal detects the PSFCH on the candidate feedback resource.
  • the network side device (eg gNB) sends DCI to indicate one or more PSFCH candidate positions to the first terminal and/or the second terminal.
  • the first terminal performs a channel access process before candidate feedback resources, and if the access is successful, it can occupy corresponding feedback resources to send feedback information.
  • the second terminal detects the PSFCH on the candidate feedback resource.
  • the first terminal determines the first resource, including:
  • the detection resource/LBT position is determined according to the candidate feedback resource or feedback resource and a sixth mapping rule, where the sixth mapping rule is used to indicate the mapping relationship between the detection resource/LBT position and the candidate feedback resource/feedback resource.
  • the first terminal determines the detection resource/LBT position according to the candidate feedback resource or feedback resource and the sixth mapping rule.
  • the sixth mapping rule includes at least one of the following:
  • mapping relationship between detection resources and candidate feedback resources The mapping relationship between detection resources and candidate feedback resources
  • mapping relationship between detection resources and feedback resources The mapping relationship between detection resources and feedback resources
  • the above mapping relationship can be one-to-one, one-to-many, many-to-one, or many-to-many.
  • the position of the LBT is the start position of the LBT and/or the end position of the LBT.
  • the first terminal determines the position of the candidate feedback resource according to the corresponding rule of the PSSCH and/or PSCCH predefined in the protocol.
  • the resource preemption starts to be detected X time-domain units before the feedback resources. If the preemption is successful, feedback information is sent in the corresponding COT. Doing so does not require continuous detection, which can save energy consumption for detection.
  • the detection resource/LBT position is at least one of the following offset by Y time domain units:
  • the starting position or ending position of the candidate feedback resource/feedback resource is the starting position or ending position of the candidate feedback resource/feedback resource
  • FFP Fixed frame period
  • the time domain unit may be microseconds, symbols, time slots, subframes, frames, or milliseconds.
  • the first terminal determining the first resource includes:
  • the first terminal determines the first resource according to the first preset rule
  • the first preset rule includes:
  • the N value is modulo taken according to the SL resource pool number index index, and when the obtained modulo value is A, it is determined that the resource corresponding to the SL resource pool number index index is the first resource;
  • the SL resource pool number index index is the number of the system frame number (System Frame Number, SFN), or the number of the direct frame number (Direct Frame Number, DFN) in the SL resource pool;
  • N and/or A satisfies at least one of the following:
  • the value of A configured for each terminal means that A is a parameter independently configured by the terminal. That is, different values can be configured between different terminals.
  • mapping relationship between CR and N and/or A For example, set the mapping relationship between CR and N and/or A, and obtain the corresponding value of N and/or A according to the measured CB; or, set the mapping relationship between CBR and N and/or A, according to the measured CBR to get the corresponding N and/or A values.
  • the adjustment value delta of N and/or A is set, that is, N/A is updated.
  • the first terminal determines the first resource, including:
  • the first terminal determines the first resource according to the second preset rule
  • the second preset rule includes:
  • the value of m satisfies at least one of the following:
  • m is a protocol predefined or preconfigured or configured parameter, and/or a value indicated by MAC CE/DCI/SCI;
  • M and/or B satisfies one of the following: a parameter predefined or preconfigured or configured for the protocol, and/or a value indicated by a MAC CE or DCI or SCI; a resource pool or CR or CBR or logical channel or logical channel group or priority or contention window CW or channel access priority CPAC parameter configuration value; B is a value configured for each terminal, or a value related to the terminal ID.
  • the value of B configured for each terminal means that B is a parameter independently configured by the terminal. That is, different values can be configured between different terminals.
  • positions offset by 4, 8, 12, . . . from the COT start position are candidate feedback resource positions.
  • the method further includes:
  • the first terminal occupies the first resource to send feedback information
  • the first terminal performs a channel access procedure at the location of the next one or more first resources.
  • the feedback information includes at least one of the following:
  • the identification ID of the receiving end device of the feedback information is the identification ID of the receiving end device of the feedback information
  • DTX Discontinuous Transmission
  • the method also includes at least one of the following:
  • the first terminal performs a channel access procedure at the position of the next one or more first resources;
  • the first terminal stops performing the channel access procedure at the position of the subsequent first resource
  • the first terminal determines, according to the instruction of the second terminal or the scheduling terminal or the network side device, whether to perform the channel access procedure at the subsequent position of the first resource.
  • the first terminal performs a channel access procedure, that is, channel detection, on some/all of the first resources, and performs at least one of the following according to the detection result:
  • the first terminal If the first terminal succeeds in accessing the first resource, it sends feedback information on the corresponding feedback resource. and meet at least one of the following:
  • the first terminal performs channel access on the next/multiple first resources
  • the first terminal stops channel access in the subsequent first resource
  • the first terminal determines whether to perform channel access on the subsequent first resource according to the instruction of the second terminal or the scheduling terminal or the network side device;
  • the first terminal fails to access the first resource, it performs channel access on the next/multiple first resources.
  • some/all of the first resources are semi-statically configured and/or dynamically indicated first resources.
  • the first terminal performs a channel access process before candidate feedback resources, and if the access is successful, it can occupy corresponding feedback resources to send feedback information. If the feedback information is ACK, the RX UE does not perform LBT detection before the subsequent candidate feedback resources, and if the feedback is NACK, the RX UE performs LBT detection on the subsequent candidate feedback resources.
  • the first terminal performs a channel access process on all time domain resources. If the access is successful, it can occupy the corresponding feedback resources to send feedback information, where the feedback information includes the ID of the device at the receiving end of the feedback information. At least one of terminal ID, HARQ process ID, and ACK/NACK information.
  • FIG. 9 is a schematic diagram of a PSFCH resource associated with a PSCCH/PSSCH provided by an embodiment of the present application.
  • the PSCCH/PSSCH of the initial transmission/retransmission of the TB is respectively associated with the corresponding PSFCH, and the first terminal (in FIG. 9 ) RX UE) needs to feed back HARQ-ACK on the associated PSFCH resource after PSCCH/PSSCH demodulation.
  • the first terminal may not be able to access the channel to feed back the PSFCH.
  • the first terminal may attempt channel access for multiple PSFCH resources, and the first terminal may at least attempt channel access on the corresponding PSFCH resources of the PSCCH/PSSCH (partial PSCCH/PSSCH) associated/reserved by the demodulated PSCCH/PSSCH (regardless of whether the reserved PSCCH/PSSCH has TB transmission), if successful, the HARQ-ACK information is fed back.
  • the reservation reserves resources for the TB transmission.
  • the second terminal After the second terminal (TX UE in FIG. 9 ) performs TB transmission, if the HARQ-ACK information is not demodulated on the PSFCH associated with PSCCH/PSSCH, the second terminal still needs to be in the position where the first terminal may send the PSFCH Perform PSFCH reception.
  • the first terminal determines the first resource for executing the channel access procedure according to protocol pre-definition, semi-static configuration, dynamic instruction or preset rule, and sends the first resource on the corresponding feedback resource after the access is successful Feedback information, flexible and controllable detection position, high scheduling flexibility, and the first terminal only needs to perform channel access on the first resource, which can save energy consumption for detection by the first terminal.
  • FIG. 10 is a second schematic flowchart of a method for determining a sidelink feedback resource provided by an embodiment of the present application. As shown in FIG. 10 , the method includes:
  • Step 1000 The second terminal or the scheduling terminal performs feedback information detection on a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • the execution subject of this embodiment of the present application may be a second terminal or a scheduling terminal. That is, the second terminal or the scheduling terminal serves as the feedback information receiving end.
  • the second terminal or the scheduling terminal may instruct the first terminal to determine the manner of the first resource. Then, the first resource of the first terminal is known to the second terminal or the scheduling terminal. Alternatively, the second terminal or the scheduling terminal may also determine the first resource of the first terminal according to a preset rule. For the preset rules, reference may be made to the descriptions in the foregoing method embodiments, and details are not repeated here.
  • the second terminal is a transmitting end device of PSSCH or PSCCH, and a receiving end device that feeds back information.
  • the scheduling terminal may be a header UE, which is used to control data transmission and reception of a pair of UEs.
  • the scheduling terminal may be a device that sends PSSCH and/or PSCCH, or a device that controls the terminal/head terminal to send PSSCH and/or PSCCH, or a device that authorizes the terminal to send PSSCH and/or PSCCH.
  • the first terminal performs a channel access procedure on the first resource, and if the access is successful, sends feedback information on the corresponding first resource.
  • the second terminal or the scheduling terminal performs feedback information detection on the first resource.
  • the second terminal or the scheduling terminal performs feedback information detection on the first resource, which can save the energy consumption of the second terminal or the scheduling terminal for receiving the feedback information.
  • the method also includes at least one of the following:
  • the second terminal or the scheduling terminal indicates the first resource of the first terminal through at least one of radio resource control RRC signaling, MAC CE and SCI;
  • the second terminal or the scheduling terminal indicates the first mapping rule of the first terminal through at least one of radio resource control RRC signaling, MAC CE and SCI;
  • the second terminal or the scheduling terminal indicates the third mapping rule of the first terminal through at least one of radio resource control RRC signaling, MAC CE and SCI;
  • the second terminal or the scheduling terminal indicates the fourth mapping rule of the first terminal through MAC CE or SCI;
  • the second terminal or the scheduling terminal indicates the fifth mapping rule of the first terminal through at least one of radio resource control RRC signaling, MAC CE and SCI.
  • the method further includes at least one of the following:
  • the second terminal or the scheduling terminal preconfigures or configures the first resource of the first terminal through radio resource control RRC signaling;
  • the second terminal or the scheduling terminal indicates the first resource of the first terminal through the medium access control control element MAC CE or the side link control information SCI;
  • the second terminal or the scheduling terminal indicates the first resource of the first terminal through RRC signaling and MAC CE or SCI;
  • the second terminal or the scheduling terminal preconfigures or configures the first mapping rule of the first terminal through RRC signaling
  • the second terminal or the scheduling terminal indicates the first mapping rule of the first terminal through MAC CE or SCI;
  • the second terminal or the scheduling terminal indicates the first mapping rule of the first terminal through RRC signaling and MAC CE or SCI;
  • the second terminal or the scheduling terminal preconfigures or configures the third mapping rule of the first terminal through RRC signaling;
  • the second terminal or the scheduling terminal indicates the third mapping rule of the first terminal through MAC CE or SCI;
  • the second terminal or the scheduling terminal indicates the third mapping rule of the first terminal through RRC signaling and MAC CE or SCI;
  • the second terminal or the scheduling terminal indicates the fourth mapping rule of the first terminal through MAC CE or SCI;
  • the second terminal or the scheduling terminal preconfigures or configures the fifth mapping rule of the first terminal through RRC signaling;
  • the second terminal or the scheduling terminal indicates the fifth mapping rule of the first terminal through MAC CE or SCI;
  • the second terminal or the scheduling terminal indicates the fifth mapping rule of the first terminal through RRC signaling and MAC CE or SCI;
  • the first mapping rule is used to represent the mapping relationship between the first PSSCH and/or PSCCH and the first resource
  • the third mapping rule is used to represent the mapping relationship between the second PSSCH and/or PSCCH of the first terminal and the first resource;
  • the fourth mapping rule is used to represent the mapping relationship between the location of the configuration information or the indication information and the first resource
  • the fifth mapping rule is used to represent the mapping relationship between the channel parameter and the first resource
  • the first PSSCH and/or PSCCH is at least one of the following: PSSCH and/or PSCCH sent by the second terminal; PSSCH and/or PSCCH scheduled by the scheduling terminal; PSSCH and/or PSCCH carrying scheduling information of the scheduling terminal ;
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal.
  • the method also includes at least one of the following:
  • the second terminal or the scheduling terminal performs feedback information detection on the next one or more first resource positions;
  • the second terminal or the scheduling terminal indicates the first resource to the first terminal;
  • the second terminal or the scheduling terminal discards the current data packet.
  • the second terminal or the scheduling terminal performs PSFCH detection in the candidate feedback resources
  • the feedback information is considered to be NACK or DTX.
  • the second terminal or the scheduling terminal indicates the first resource to the first terminal.
  • K is a preset threshold.
  • the second terminal or the scheduling terminal instructs the first terminal to determine the first resource, which realizes the flexible configuration of the feedback resources, can save the energy consumption of the first terminal to detect the feedback resources, and the second terminal or the scheduling terminal The terminal only needs to detect the feedback information on the first resource, which can save the energy consumption of the second terminal or the scheduling terminal to detect the feedback information.
  • FIG. 11 is a third schematic flowchart of a method for determining a sidelink feedback resource provided by an embodiment of the present application. As shown in FIG. 11 , the method includes:
  • Step 1100 The network-side device performs feedback information detection on a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • the execution subject of the embodiment of the present application is the network side device, that is, the network side device serves as the feedback information receiving end.
  • the first terminal performs a channel access procedure on the first resource, and if the access is successful, sends feedback information on the corresponding first resource.
  • the network side device performs feedback information detection on the first resource.
  • the network-side device may instruct the first terminal to determine the manner of the first resource. Then, the first resource of the first terminal is known to the network-side device. Alternatively, the network side device may also determine the first resource of the first terminal according to a preset rule. For the preset rules, reference may be made to the descriptions in the foregoing method embodiments, which are not repeated here.
  • the network-side device performs feedback information detection on the first resource, which can save energy consumption of the network-side device for receiving the feedback information.
  • the network-side device before the network-side device performs feedback information detection on the first resource, it further includes at least one of the following:
  • the network side device indicates the first resource of the first terminal through at least one of radio resource control RRC signaling, MAC CE and DCI;
  • the network side device indicates the first mapping rule of the first terminal through at least one of radio resource control RRC signaling, MAC CE and DCI;
  • the network side device indicates the second mapping rule of the first terminal through at least one of radio resource control RRC signaling, MAC CE and DCI;
  • the network side device indicates the third mapping rule of the first terminal through at least one of radio resource control RRC signaling, MAC CE and DCI;
  • the network side device indicates the fourth mapping rule of the first terminal through MAC CE or DCI;
  • the network side device indicates the fifth mapping rule of the first terminal through at least one of radio resource control RRC signaling, MAC CE and DCI.
  • the method further includes at least one of the following:
  • the network side device preconfigures or configures the first resource of the first terminal through radio resource control RRC signaling;
  • the network side device indicates the first resource of the first terminal through the medium access control control element MAC CE or downlink control information DCI;
  • the network side device indicates the first resource of the first terminal through RRC signaling and MAC CE or DCI;
  • the network side device preconfigures or configures the first mapping rule of the first terminal through RRC signaling
  • the network side device indicates the first mapping rule of the first terminal through MAC CE or DCI;
  • the network side device indicates the first mapping rule of the first terminal through RRC signaling and MAC CE or DCI;
  • the network side device preconfigures or configures the second mapping rule of the first terminal through RRC signaling
  • the network side device indicates the second mapping rule of the first terminal through MAC CE or DCI;
  • the network side device indicates the second mapping rule of the first terminal through RRC signaling and MAC CE or DCI;
  • the network side device preconfigures or configures the third mapping rule of the first terminal through RRC signaling
  • the network side device indicates the third mapping rule of the first terminal through MAC CE or DCI;
  • the network side device indicates the third mapping rule of the first terminal through RRC signaling and MAC CE or DCI;
  • the network side device indicates the fourth mapping rule of the first terminal through MAC CE or DCI;
  • the network side device preconfigures or configures the fifth mapping rule of the first terminal through RRC signaling
  • the network side device indicates the fifth mapping rule of the first terminal through MAC CE or DCI;
  • the network side device indicates the fifth mapping rule of the first terminal through RRC signaling and MAC CE or DCI;
  • the first mapping rule is used to represent the mapping relationship between the first PSSCH and/or PSCCH and the first resource
  • the second mapping rule is used to represent the mapping relationship between the data transmission of the network side device and the first resource
  • the third mapping rule is used to represent the mapping relationship between the second PSSCH and/or PSCCH and the first resource
  • the fourth mapping rule is used to represent the mapping relationship between the location of the configuration information or the indication information and the first resource
  • the fifth mapping rule is used to represent the mapping relationship between the channel parameter and the first resource
  • the first PSSCH and/or PSCCH is the PSSCH and/or PSCCH scheduled by the network side device;
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal.
  • it also includes at least one of the following:
  • the network side device performs feedback information detection on the next one or more first resource positions;
  • the network side device indicates the first resource to the first terminal;
  • the network-side device discards the current data packet.
  • the network side device instructs the first terminal to determine the first resource, which realizes flexible configuration of feedback resources, saves the energy consumption of the first terminal to detect the feedback resources, and the network side device only needs to The feedback information detection is performed on the resource, which can save the energy consumption of the network side device to detect the feedback information.
  • the execution subject may be an apparatus for determining sidelink feedback resources, or, in the apparatus for determining sidelink feedback resources, a method for performing a sidelink feedback resource determination is performed.
  • the device for determining sidelink feedback resources provided by the embodiments of the present application is described by taking the method for determining sidelink feedback resources performed by the device for determining sidelink feedback resources as an example.
  • FIG. 12 is a schematic structural diagram of an apparatus for determining a sidelink feedback resource provided by an embodiment of the present application, including:
  • the first determining unit 1210 is configured to determine a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • the first resource for performing the channel access procedure is determined, the detection position is flexible and controllable, the scheduling flexibility is high, and only the channel access needs to be performed on the first resource, which can save detection energy consumption.
  • the first resource includes at least one of the following:
  • Hybrid automatic repeat request HARQ resources Hybrid automatic repeat request HARQ resources.
  • the first determining unit 1210 is configured to perform at least one of the following:
  • the first resource is determined according to the first physical sidelink shared channel PSSCH and/or the physical sidelink control channel PSCCH and a first mapping rule, where the first mapping rule is used to indicate that the first PSSCH and/or the PSCCH are associated with The mapping relationship of the first resource;
  • the first resource determining the first resource according to the data transmission of the network-side device and a second mapping rule, where the second mapping rule is used to represent the mapping relationship between the data transmission of the network-side device and the first resource;
  • the fifth mapping rule is used to represent the mapping relationship between the channel parameter and the first resource
  • the first PSSCH and/or PSCCH is at least one of the following: PSSCH and/or PSCCH sent by the second terminal; PSSCH and/or PSCCH scheduled by the scheduling terminal; PSSCH and/or PSCCH carrying scheduling information of the scheduling terminal ; PSSCH and/or PSCCH scheduled by the network side device;
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal.
  • the first mapping rule satisfies at least one of the following:
  • the first mapping rule is obtained by pre-defining or pre-configuring or configuring
  • the first mapping rule is pre-defined or pre-configured or configured, where M is a value pre-defined or pre-configured or configured by a protocol;
  • the mapping relationship between the first PSSCH and/or PSCCH and the first resource is one-to-one, one-to-many, many-to-one or many-to-many;
  • the interval between the i-th first resource and the j-th first resource in the first mapping rule is greater than L, where i, j are positive integers greater than or equal to 1, and L is a predefined or preconfigured or configured or indicated value.
  • mapping relationship between the first PSSCH and/or PSCCH and the first resource includes:
  • the first transmission interval Gap1 is a predefined or preconfigured or configured or indicated value.
  • the DCI or SCI carries at least one of the following information:
  • K is a positive integer greater than or equal to 1.
  • mapping relationship between the data transmission of the network side device and the first resource includes:
  • the second transmission interval Gap2 is a predefined or preconfigured or configured or indicated value.
  • the channel parameters include at least one of the following:
  • Received signal strength indicates RSSI threshold
  • SINR threshold Signal-to-interference-plus-noise ratio
  • the first resource is part or all of the time domain resources configured on the unlicensed frequency band, or the first resource is all or part of the resources in the resource pool or the channel occupation time COT.
  • the first resource is preconfigured or configured through RRC, and/or the first resource is indicated through a medium access control control element MAC CE, DCI or SCI.
  • MAC CE medium access control control element
  • the first determining unit is configured to:
  • the detection resource/LBT position is determined according to the candidate feedback resource or feedback resource and a sixth mapping rule, where the sixth mapping rule is used to indicate the mapping relationship between the detection resource/LBT position and the candidate feedback resource/feedback resource.
  • the detection resource/LBT position is at least one of the following offset by Y time domain units:
  • the starting position or ending position of the candidate feedback resource/feedback resource is the starting position or ending position of the candidate feedback resource/feedback resource
  • the first determining unit is used for:
  • the first preset rule includes:
  • the N value is modulo taken according to the SL resource pool number index index, and when the obtained modulo value is A, it is determined that the resource corresponding to the SL resource pool number index index is the first resource;
  • the SL resource pool number index index is the number of the system frame number SFN, or the number of the DFN in the SL resource pool;
  • N and/or A satisfies at least one of the following:
  • the first determining unit is used for:
  • the second preset rule includes:
  • the value of m satisfies at least one of the following:
  • m is a protocol predefined or preconfigured or configured parameter, and/or a value indicated by MAC CE/DCI/SCI;
  • M and/or B satisfies one of the following: a parameter predefined or preconfigured or configured for the protocol, and/or a value indicated by a MAC CE or DCI or SCI; a resource pool or CR or CBR or logical channel or logical channel group or priority or contention window CW or channel access priority CPAC parameter configuration value; B is a value configured for each terminal, or a value related to the terminal ID.
  • the device further includes a first processing unit for:
  • the channel access procedure is performed at the location of the next one or more first resources.
  • the feedback information includes at least one of the following:
  • the identification ID of the device at the receiving end of the feedback information is the identification ID of the device at the receiving end of the feedback information
  • the apparatus further includes a second processing unit configured to execute at least one of the following:
  • the channel access procedure is performed at the position of the next one or more first resources;
  • the feedback information is ACK
  • the second terminal or the scheduling terminal or the network side device it is determined whether to perform the channel access procedure at the location of the subsequent first resource.
  • the first resource for performing the channel access procedure is determined according to protocol pre-definition, semi-static configuration, dynamic instruction or preset rule, and after the access is successful, feedback information is sent on the corresponding feedback resource,
  • the detection position is flexible and controllable, and the scheduling flexibility is high, and the device only needs to perform channel access on the first resource, which can save detection energy consumption.
  • the apparatus for determining the side link feedback resource in this embodiment of the present application may be an apparatus, an apparatus having an operating system or an electronic device, and may also be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the apparatus for determining a sidelink feedback resource provided in this embodiment of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 9 , and achieve the same technical effect, which is not repeated here to avoid repetition.
  • FIG. 13 is a second schematic structural diagram of an apparatus for determining sidelink feedback resources provided by an embodiment of the present application. As shown in FIG. 13 , the apparatus includes:
  • the third processing unit 1310 is configured to perform feedback information detection on a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • the device for determining the sidelink feedback resource performs feedback information detection on the first resource, which can save the energy consumption of the device for determining the sidelink feedback resource receiving the feedback information.
  • a fourth processing unit configured to execute at least one of the following:
  • the first mapping rule is used to represent the mapping relationship between the first PSSCH and/or PSCCH and the first resource
  • the third mapping rule is used to represent the mapping relationship between the second PSSCH and/or PSCCH of the first terminal and the first resource;
  • the fourth mapping rule is used to represent the mapping relationship between the location of the configuration information or the indication information and the first resource
  • the fifth mapping rule is used to represent the mapping relationship between the channel parameter and the first resource
  • the first PSSCH and/or PSCCH is at least one of the following: PSSCH and/or PSCCH sent by the second terminal; PSSCH and/or PSCCH scheduled by the scheduling terminal; PSSCH and/or PSCCH carrying scheduling information of the scheduling terminal ;
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal.
  • a fifth processing unit configured to execute at least one of the following:
  • the feedback information received on all the first resources is the acknowledgment information ACK, indicating the first resource to the first terminal;
  • the device for determining the side link feedback resource indicates the first resource determination method of the first terminal, which realizes flexible configuration of the feedback resource, saves the energy consumption of the first terminal for detecting the feedback resource, and reduces the side link
  • the device for determining the feedback resource only needs to perform feedback information detection on the first resource, which can save the energy consumption of the device for determining the sidelink feedback resource for detecting the feedback information.
  • the apparatus for determining the side link feedback resource in this embodiment of the present application may be an apparatus, an apparatus having an operating system or an electronic device, and may also be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the apparatus for determining a sidelink feedback resource provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 10 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 14 is a third schematic structural diagram of an apparatus for determining a sidelink feedback resource provided by an embodiment of the present application. As shown in FIG. 14 , the apparatus includes:
  • the sixth processing unit 1410 is configured to perform feedback information detection on a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • a seventh processing unit configured to execute at least one of the following:
  • the first mapping rule is used to represent the mapping relationship between the first PSSCH and/or PSCCH and the first resource
  • the second mapping rule is used to represent the mapping relationship between the data transmission of the network side device and the first resource
  • the third mapping rule is used to represent the mapping relationship between the second PSSCH and/or PSCCH and the first resource
  • the fourth mapping rule is used to represent the mapping relationship between the location of the configuration information or the indication information and the first resource
  • the fifth mapping rule is used to represent the mapping relationship between the channel parameter and the first resource
  • the first PSSCH and/or PSCCH is the PSSCH and/or PSCCH scheduled by the network side device;
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal.
  • an eighth processing unit configured to execute at least one of the following:
  • the feedback information received on all the first resources is the acknowledgment information ACK, indicating the first resource to the first terminal;
  • the device for determining the side link feedback resource indicates the first resource determination method of the first terminal, which realizes flexible configuration of the feedback resource, saves the energy consumption of the first terminal for detecting the feedback resource, and reduces the side link
  • the device for determining the feedback resource only needs to perform feedback information detection on the first resource, which can save the energy consumption of the device for determining the sidelink feedback resource for detecting the feedback information.
  • an embodiment of the present application further provides a communication device 1500, including a processor 1501, a memory 1502, a program or instruction stored in the memory 1502 and executable on the processor 1501,
  • a communication device 1500 including a processor 1501, a memory 1502, a program or instruction stored in the memory 1502 and executable on the processor 1501
  • the communication device 1500 is a terminal
  • the program or instruction is executed by the processor 1501
  • each process of the above-mentioned embodiments of the method for determining a sidelink feedback resource is implemented, and the same technical effect can be achieved.
  • the communication device 1500 is a network-side device
  • the program or instruction is executed by the processor 1501
  • each process of the above-mentioned embodiments of the method for determining a sidelink feedback resource can be achieved, and the same technical effect can be achieved. To avoid repetition, here No longer.
  • An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the processor is configured to determine a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure. Alternatively, the processor is configured to perform feedback information detection on a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 16 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1600 includes but is not limited to: a radio frequency unit 1601, a network module 1602, an audio output unit 1603, an input unit 1604, a sensor 1605, a display unit 1606, a user input unit 1607, an interface unit 1608, a memory 1609, and a processor 1610, etc. at least part of the components.
  • the terminal 1600 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1610 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 16 does not constitute a limitation on the terminal, and the terminal may include more or less components than those shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1604 may include a graphics processor (Graphics Processing Unit, GPU) 16041 and a microphone 16042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1606 may include a display panel 16061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1607 includes a touch panel 16071 and other input devices 16072 . Touch panel 16071, also called touch screen.
  • the touch panel 16071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 16072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 1601 receives the downlink data from the network side device, and then processes it to the processor 1610; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1601 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.
  • Memory 1609 may be used to store software programs or instructions as well as various data.
  • the memory 1609 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1609 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1610 may include one or more processing units; optionally, the processor 1610 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1610.
  • the processor 1610 is configured to determine a first resource, where the first resource is one or more resources for the first terminal to perform a channel access procedure.
  • the terminal determines the first resource for performing the channel access procedure, the detection position is flexible and controllable, and the scheduling flexibility is high, and the terminal only needs to perform channel access on the first resource, which can save the time required for terminal detection. energy consumption.
  • the first resource includes at least one of the following:
  • Hybrid automatic repeat request HARQ resources Hybrid automatic repeat request HARQ resources.
  • processor 1610 is further configured to execute at least one of the following:
  • the first resource is determined according to the first physical sidelink shared channel PSSCH and/or the physical sidelink control channel PSCCH and a first mapping rule, where the first mapping rule is used to indicate that the first PSSCH and/or the PSCCH are associated with The mapping relationship of the first resource;
  • the first resource determining the first resource according to the data transmission of the network-side device and a second mapping rule, where the second mapping rule is used to represent the mapping relationship between the data transmission of the network-side device and the first resource;
  • the fifth mapping rule is used to represent the mapping relationship between the channel parameter and the first resource
  • the first PSSCH and/or PSCCH is at least one of the following: PSSCH and/or PSCCH sent by the second terminal; PSSCH and/or PSCCH scheduled by the scheduling terminal; PSSCH and/or PSCCH carrying scheduling information of the scheduling terminal ; PSSCH and/or PSCCH scheduled by the network side device;
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal.
  • the processor 1610 is further configured to:
  • the detection resource/LBT position is determined according to the candidate feedback resource or feedback resource and a sixth mapping rule, where the sixth mapping rule is used to indicate the mapping relationship between the detection resource/LBT position and the candidate feedback resource/feedback resource.
  • processor 1610 is further configured to:
  • the first preset rule includes:
  • the N value is modulo taken according to the SL resource pool number index index, and when the obtained modulo value is A, it is determined that the resource corresponding to the SL resource pool number index index is the first resource;
  • the SL resource pool number index index is the number of the system frame number SFN, or the number of the DFN in the SL resource pool;
  • N and/or A satisfies at least one of the following:
  • processor 1610 is further configured to:
  • the second preset rule includes:
  • the value of m satisfies at least one of the following:
  • m is a protocol predefined or preconfigured or configured parameter, and/or a value indicated by MAC CE/DCI/SCI;
  • M and/or B satisfies one of the following: a parameter predefined or preconfigured or configured for the protocol, and/or a value indicated by a MAC CE or DCI or SCI; a resource pool or CR or CBR or logical channel or logical channel group or priority or contention window CW or channel access priority CPAC parameter configuration value; B is a value configured for each terminal, or a value related to the terminal ID.
  • processor 1610 is further configured to:
  • the channel access procedure is performed at the location of the next one or more first resources.
  • processor 1610 is further configured to execute at least one of the following:
  • the feedback information is NACK
  • the feedback information is ACK
  • the second terminal or the scheduling terminal or the network side device it is determined whether to perform the channel access procedure at the location of the subsequent first resource.
  • the terminal determines the first resource for executing the channel access procedure according to protocol pre-definition, semi-static configuration, dynamic instruction or preset rule, and after successful access, sends feedback information on the corresponding feedback resource , the detection position is flexible and controllable, the scheduling flexibility is high, and the terminal only needs to perform channel access on the first resource, which can save the energy consumption of terminal detection.
  • the processor 1610 is configured to:
  • the feedback information detection is performed on the first resource, where the first resource is one or more resources for the first terminal to perform the channel access procedure.
  • processor 1610 is further configured to execute at least one of the following:
  • the first mapping rule is used to represent the mapping relationship between the first PSSCH and/or PSCCH and the first resource
  • the third mapping rule is used to represent the mapping relationship between the second PSSCH and/or PSCCH of the first terminal and the first resource;
  • the fourth mapping rule is used to represent the mapping relationship between the location of the configuration information or the indication information and the first resource
  • the fifth mapping rule is used to represent the mapping relationship between the channel parameter and the first resource
  • the first PSSCH and/or PSCCH is at least one of the following: PSSCH and/or PSCCH sent by the second terminal; PSSCH and/or PSCCH scheduled by the scheduling terminal; PSSCH and/or PSCCH carrying scheduling information of the scheduling terminal ;
  • the second PSSCH and/or PSCCH are used to carry data to be sent by the first terminal.
  • processor 1610 is further configured to execute at least one of the following:
  • the feedback information received on all the first resources is the acknowledgment information ACK, indicating the first resource to the first terminal;
  • the first resource determination method of the first terminal is indicated, which realizes the flexible configuration of the feedback resources, saves the energy consumption of the first terminal to detect the feedback resources, and only needs to perform the feedback information detection on the first resource. , the energy consumption of detecting feedback information can be saved.
  • An embodiment of the present application further provides a network-side device, including a processor and a communication interface, where the processor is configured to perform feedback information detection on a first resource, where the first resource is one of the channel access procedures performed by the first terminal or multiple resources.
  • This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the network side device 1700 includes: an antenna 1701 , a radio frequency device 1702 , and a baseband device 1703 .
  • the antenna 1701 is connected to the radio frequency device 1702 .
  • the radio frequency device 1702 receives information through the antenna 1701, and sends the received information to the baseband device 1703 for processing.
  • the baseband device 1703 processes the information to be sent and sends it to the radio frequency device 1702
  • the radio frequency device 1702 processes the received information and sends it out through the antenna 1701 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1703 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1703 .
  • the baseband apparatus 1703 includes a processor 1704 and a memory 1705 .
  • the baseband device 1703 may include, for example, at least one baseband board on which a plurality of chips are arranged, as shown in FIG. 17 , one of the chips is, for example, the processor 1704 , which is connected to the memory 1705 to call a program in the memory 1705 to execute
  • the network devices shown in the above method embodiments operate.
  • the baseband device 1703 may further include a network interface 1706 for exchanging information with the radio frequency device 1702, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in this embodiment of the present invention further includes: instructions or programs that are stored in the memory 1705 and run on the processor 1704, and the processor 1704 invokes the instructions or programs in the memory 1705 to execute the modules shown in FIG. 14 .
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the method for determining a sidelink feedback resource is implemented , and can achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the above-mentioned side-link feedback resources.
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is configured to run a program or an instruction to implement the above-mentioned side-link feedback resources.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

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Abstract

本申请公开了一种旁链路反馈资源的确定方法、终端及网络侧设备,属于通信技术领域,本申请实施例的旁链路反馈资源的确定方法包括:第一终端确定第一资源,其中,所述第一资源为所述第一终端执行信道接入流程的一个或多个资源。

Description

旁链路反馈资源的确定方法、终端及网络侧设备
相关申请的交叉引用
本申请要求于2021年04月15日提交的申请号为2021104082034,发明名称为“旁链路反馈资源的确定方法、终端及网络侧设备”的中国专利申请的优先权,其通过引用方式全部并入本申请。
技术领域
本申请属于通信技术领域,具体涉及一种旁链路反馈资源的确定方法、终端及网络侧设备。
背景技术
在旁链路(Sidelink,SL,或译为副链路,侧链路,边链路等)上,传输节点可以采用非授权频段中的基于负载的设备(Load based equipment,LBE)的方式进行信道接入,进行信息的传输。
为了在SL承载确认(Acknowledgement,ACK)/否定确认(Non-Acknowledgement,NACK)反馈信息,新无线(New Radio,NR)车联网(Vehicle to Everything,V2X)支持一种新的SL信道,即物理旁链路反馈信道(Physical Sidelink Feedback Channel,PSFCH)。PSFCH的引入可以提高系统的可靠性,提高系统中的资源利用率。PSFCH信道在时域上周期为N(N=1/2/4),N可以理解为每N个(逻辑)时隙slot包含PSFCH。当N=0时,表示资源池中不配置PSFCH。PSFCH与物理旁链路控制信道(Physical Sidelink Control Channel,PSCCH)或物理旁链路共享信道(Physical Sidelink Shared Channel,PSSCH)的时频域资源满足预定义的映射关系,传输灵活性有限。在非授权频段上,由于存在其他系统抢占资源, 根据PSSCH和/或PSCCH以及预定义的规则确定的PSFCH的资源位置可能无法用于PSFCH的传输。
发明内容
本申请实施例提供一种链路反馈资源的确定方法、终端及网络侧设备,能够解决在非授权频段上SL反馈资源的灵活性有限、无法用于反馈信息传输的问题。
第一方面,提供了一种旁链路反馈资源的确定方法,该方法包括:
第一终端确定第一资源,其中,所述第一资源为所述第一终端执行信道接入流程的一个或多个资源。
第二方面,提供了一种旁链路反馈资源的确定方法,该方法包括:
第二终端或调度终端在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
第三方面,提供了一种旁链路反馈资源的确定方法,该方法包括:
网络侧设备在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
第四方面,提供了一种旁链路反馈资源的确定装置,包括:
第一确定单元,用于确定第一资源,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
第五方面,提供了一种旁链路反馈资源的确定装置,包括:
第三处理单元,用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
第六方面,提供了一种旁链路反馈资源的确定装置,包括:
第六处理单元,用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
第七方面,提供了一种终端,该终端包括处理器、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或指令,所述程序或指令被所 述处理器执行时实现如第一方面或第二方面所述的方法的步骤。
第八方面,提供了一种终端,包括处理器及通信接口,其中,所述处理器用于确定第一资源,其中,所述第一资源为所述第一终端执行信道接入流程的一个或多个资源。
第九方面,提供了一种网络侧设备,该网络侧设备包括处理器、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或指令,所述程序或指令被所述处理器执行时实现如第三方面所述的方法的步骤。
第十方面,提供了一种网络侧设备,包括处理器及通信接口,其中,所述处理器用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
第十一方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的旁链路反馈资源的确定方法的步骤,或者实现如第二方面所述的旁链路反馈资源的确定方法的步骤,或者实现如第三方面所述的旁链路反馈资源的确定方法的步骤。
第十二方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如第一方面所述的旁链路反馈资源的确定方法,或者实现如第二方面所述的旁链路反馈资源的确定方法,或者实现如第三方面所述的旁链路反馈资源的确定方法。
第十三方面,提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述程序/程序产品被至少一个处理器执行以实现如第一方面所述的旁链路反馈资源的确定方法的步骤,或者实现如第二方面所述的旁链路反馈资源的确定方法的步骤,或者实现如第三方面所述的旁链路反馈资源的确定方法的步骤。
在本申请实施例中,第一终端确定执行信道接入流程的第一资源,检测位置灵活可控,调度灵活性高,且该第一终端只需要在第一资源上进行 信道接入,可以节约第一终端检测的能量消耗。
附图说明
图1是本申请实施例可应用的一种无线通信系统的示意图;
图2为本申请实施例提供的旁链路反馈资源的确定方法的流程示意图之一;
图3为本申请实施例提供的半静态配置一个/多个PSFCH候选资源的示意图之一;
图4为本申请实施例提供的半静态配置一个/多个PSFCH候选资源的示意图之二;
图5为本申请实施例提供的第一终端共享第二终端的COT发送PSFCH的示意图;
图6为本申请实施例提供的第一终端的PSFCH与第一终端的PSSCH和/或PSCCH在相同的时域单元内发送的示意图;
图7为本申请实施例提供的所有时域资源均为PSFCH候选资源的示意图;
图8为本申请实施例提供的动态指示一个或多个PSFCH候选资源的示意图;
图9为本申请实施例提供的PSFCH资源关联PSCCH/PSSCH的示意图;
图10为本申请实施例提供的旁链路反馈资源的确定方法的流程示意图之二;
图11为本申请实施例提供的旁链路反馈资源的确定方法的流程示意图之三;
图12为本申请实施例提供的旁链路反馈资源的确定装置的结构示意图之一;
图13为本申请实施例提供的旁链路反馈资源的确定装置的结构示意图之二;
图14为本申请实施例提供的旁链路反馈资源的确定装置的结构示意图之三;
图15为本申请实施例提供的通信设备的结构示意图;
图16为实现本申请实施例的一种终端的硬件结构示意图;
图17为本申请实施例提供的网络侧设备的结构示意图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址 (Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,但是这些技术也可应用于NR系统应用以外的应用,如第6代(6 th Generation,6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的示意图。无线通信系统包括终端11和网络侧设备12。其中,终端11也可以称作终端设备或者用户终端(User Equipment,UE),终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载设备(VUE)、行人终端(PUE)等终端侧设备,可穿戴式设备包括:智能手表、手环、耳机、眼镜等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,其中,基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,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,在本申请实施例中仅以NR系统中的基站为例,但是并不限定基站的具体类型。
在未来通信系统中,共享频谱例如非授权频段(unlicensed band)可以作为授权频段(licensed band)的补充帮助运营商对服务进行扩容。为了与NR部署保持一致并尽可能的最大化基于NR的非授权接入,非授权 频段可以工作在5GHz,37GHz和60GHz频段。由于非授权频段由多种无线接入技术(Radio Access Technology,RAT)共用,例如WiFi,雷达,长期演进辅助接入(Long Term Evolution Assisted Access,LTE-LAA)等,因此在某些国家或者区域,非授权频段在使用时必须合规以保证所有设备可以公平的使用该资源,例如先听后说(listen before talk,LBT),最大信道占用时间(maximum channel occupancy time,MCOT)等规则。当传输节点需要发送信息是,需要先做LBT时,对周围的节点进行功率检测(energy detection,ED),当检测到的功率低于一个门限时,认为信道为空(idle),传输节点可以进行发送。反之,则认为信道为忙,传输节点不能进行发送。传输节点可以是基站,UE,WiFi AP等等。传输节点开始传输后,信道占用时间(channel occupancy time,COT)不能超过MCOT。
常用的LBT的类型(category)可以分为category 1,category 2和category4。Category1 LBT是发送节点不做LBT,即no LBT或者立即传输immediate transmission。Category 2 LBT是one-shot LBT,即节点在传输前做一次LBT,信道为空则进行传输,信道为忙则不传输。Category 4 LBT是基于回退(back-off)的信道侦听机制,当传输节点侦听到信道为忙时,进行回退,继续做侦听,直到侦听到信道为空。对于gNB,Category 2LBT应用于没有发现参考信号(Discovery Reference Signal,DRS)without物理下行共享信道(Physical downlink shared channel,PDSCH)、category 4 LBT应用于PDSCH/物理下行控制信道(Physical downlink control channel,PDCCH)/扩展物理下行控制信道(Extended PDCCH,ePDCCH)。对于UE,category4 LBT对应于type1 UL channel access procedure,category2 LBT对应于type2 UL channel access procedure。
基于帧的设备(Frame Based Equipment,FBE)指设备的发送/接收定时采用周期结构,其周期为固定帧周期(Fixed Frame Period,FFP)。
FBE节点采用基于LBT的信道接入机制占用信道。其中发起包含一次或多次连续传输的传输序列的节点称之为发起节点(Initiating Device), 其它节点称之为响应节点(Responding Device)。FBE节点可以是发起节点,响应节点,或者同时支持两种节点功能。
对于基于负载的设备(Load based equipment,LBE),传输节点可以从任意时刻开始进行LBT,直到侦听到信道为空方可进行传输。对传输节点来说,不存在固定的侦听时间,当侦听到信道为忙时也不需要跳过,可以通过backoff若干个扩展空闲信道评估(Extended Clear Channel Assessment,eCCA)继续进行侦听,直到eCCA的计数器counter为零。
在SL上,可以采用非授权频段中的LBE的方式进行信道接入,进行信息的传输。为了在SL承载ACK/NACK反馈信息,NR V2X支持一种新的SL信道,即PSFCH。PSFCH与PSCCH/PSSCH有固定的关联关系,传输灵活性有限。
下面结合附图,通过一些实施例及其应用场景对本申请实施例提供的旁链路反馈资源的确定方法进行详细地说明。
图2为本申请实施例提供的旁链路反馈资源的确定方法的流程示意图之一,包括:
步骤200、第一终端确定第一资源,其中,所述第一资源为所述第一终端执行信道接入流程的一个或多个资源。
其中,第一终端为PSSCH和/或PSCCH的接收端设备,反馈信息的发送端设备。
第一终端确定第一资源,所述第一资源为所述第一终端执行信道接入流程的资源,即所述第一终端在所述第一资源上执行信道接入流程。
可选的,所述第一资源为一个或多个资源。
可选的,信道接入流程包括:
1)设置计数值N,
2)若N>0,则终端执行N-1;
3)检测资源/信道是否为空闲,若信道为空闲,则执行第4)步;否则,执行第5)步;
4)若N=0,则停止;否则,执行第2)步;
5)额外检测Td时间,判断是否空闲;
6)如果额外检测的Td的时间为空闲,则执行第4)步,否则执行第5)步。
可选的,第一资源通过协议预定义、网络预配置、终端预配置、网络配置、终端配置、媒介访问控制控制元素(Media Access Control Control Element,MAC CE)、下行控制信息(Downlink Control Information,DCI)指示和旁链路控制信息(Sidelink Control Information,SCI)指示中的至少一项确定。
例如,第一终端根据PSSCH和/或PSCCH的位置确定候选反馈资源位置,在候选反馈资源位置上进行信道接入过程,若接入成功,则发送反馈信息,否则,在下一个候选反馈资源位置上进行接入。
在本申请实施例中,第一终端确定执行信道接入流程的第一资源,检测位置灵活可控,调度灵活性高,且该第一终端只需要在第一资源上进行信道接入,可以节约第一终端检测的能量消耗。
可选的,所述第一资源包括以下至少之一:
候选反馈资源;
反馈资源;
先听后说LBT位置;
检测资源;
物理旁链路反馈信道PSFCH资源;
信道状态信息(Channel State Information,CSI)报告的资源;
混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)资源。
本申请实施例给出了一种在非授权频段上SL反馈资源的确定方法。
可选的,所述候选反馈资源或反馈资源为:PSFCH资源,CSI报告的资源或HARQ资源。
可选的,所述检测资源为所述第一终端进行信道检测的资源。
可选的,所述第一终端确定第一资源,包括以下至少之一:
所述第一终端根据第一物理旁链路共享信道PSSCH和/或物理旁链路控制信道PSCCH以及第一映射规则,确定所述第一资源,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
所述第一终端根据网络侧设备的数据传输以及第二映射规则,确定所述第一资源,第二映射规则用于表示所述网络侧设备的数据传输与第一资源的映射关系;
所述第一终端根据第二PSSCH和/或PSCCH以及第三映射规则,确定所述第一资源,所述第三映射规则用于表示所述第二PSSCH和/或PSCCH与第一资源的映射关系;
所述第一终端根据配置信息或指示信息的位置以及第四映射规则,确定所述第一资源,所述第四映射规则用于表示所述配置信息或指示信息的位置与第一资源的映射关系;
所述第一终端根据信道参数以及第五映射规则,确定所述第一资源,所述第五映射规则用于表示所述信道参数与第一资源的映射关系。
在一些可选的实施方式中,所述第一终端根据第一物理旁链路共享信道PSSCH和/或物理旁链路控制信道PSCCH以及第一映射规则,确定所述第一资源,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系。
其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;网络侧设备调度的PSSCH和/或PSCCH;
可选的,第二终端为PSSCH或PSCCH的发送端设备,反馈信息的接收端设备。
可选的,第二终端可以是多个。
可选的,调度终端可以是头终端header UE,用于控制一对UE的数据 发送和接收。
可选的,调度终端可以是发送PSSCH和/或PSCCH的设备,或者是控制终端/头终端发送PSSCH和/或PSCCH的设备,或者授权终端发送PSSCH和/或PSCCH的设备。
可选的,第一PSSCH和/或PSCCH根据第一级SCI,第二级SCI和传输的数据的位置中的至少一项确定。在目前SL的定义中第一级SCI携带在PSCCH上,第二级SCI和数据携带在PSSCH上。
可选的,所述第一映射规则满足以下至少之一:
所述第一映射规则通过预定义或预配置或配置得到;
在M个物理旁链路反馈信道PSFCH周期内,预定义或预配置或配置所述第一映射规则,其中,M为协议预定义或预配置或配置的值;
所述第一PSSCH和/或PSCCH与第一资源的映射关系为一对一,一对多,多对一或多对多;
所述第一映射规则中第i个第一资源与第j个第一资源的间隔大于L,i,j为大于等于1的正整数,L为预定义或预配置或配置或指示的值。
其中,预定义是指协议预定义;预配置是指网络侧设备或第二终端或调度终端通过无线资源控制(Radio Resource Control,RRC)信令预配置;配置是指网络侧设备或第二终端或调度终端通过RRC信令配置。
可选的,若PSFCH周期为N(例如,取值为1,2,4),在M个周期内,预定义或预配置或配置第一映射规则,此处,所述第一映射规则为PSFCH的映射规则,其中,M为协议预定义或预配置或配置的值。
例如,PSFCH周期N=4,若M=3,RRC预配值PSSCH对应的3个候选PSFCH的资源。
可选的,所述第一映射规则为一个或多个,即所述第一PSSCH和/或PSCCH与第一资源的映射关系为一对一,一对多,多对一或多对多。
可选的,L为最大信道占用时间MCOT,所述第一映射规则中第i个第一资源与第j个第一资源的间隔大于最大信道占用时间MCOT,i,j为 大于等于1的正整数。例如:第一个PSFCH候选反馈资源与最后一个PSFCH候选反馈资源的间隔大于PSSCH的MCOT。如此,可以保证PSFCH候选反馈资源不会由于全部位于一次COT内而全部失败。
图3为本申请实施例提供的半静态配置一个/多个PSFCH候选资源的示意图之一。图4为本申请实施例提供的半静态配置一个/多个PSFCH候选资源的示意图之二。
第一终端执行信道接入流程,抢占资源发送PSFCH。预配置候选反馈资源与PSSCH和/或PSCCH之间为固定的一个/多个映射关系。对于M个PSFCH周期,配置PSFCH的映射规则。可以是一个PSSCH和/或PSCCH对应M个候选PSFCH资源。
定义多个候选PSFCH资源,可为第一终端提供更多的接入机会。
可选的,所述第一PSSCH和/或PSCCH与第一资源的映射关系,包括:
通过下行控制信息DCI或旁链路控制信息SCI指示的所述第一资源与所述第一PSSCH和/或PSCCH的第一传输间隔Gap1;
其中,所述第一传输间隔Gap1为预定义或预配置或配置或指示的值。
可以理解的是,所述第一资源与第一PSSCH和/或PSCCH相关。
DCI对应的网络侧设备调度的PSSCH和/或PSCCH;SCI对应的是终端侧设备(第二终端或调度终端)调度的PSSCH和/或PSCCH。
可选的,此处SCI可以是第一级SCI或第二级SCI。
DCI或SCI指示第一资源与第一PSSCH和/或PSCCH的第一传输间隔Gap1。可以理解为,第一资源在第一PSSCH和/或PSCCH传输后间隔Gap1的位置处。
通过DCI或SCI指示第一资源与第一PSSCH和/或PSCCH的第一传输间隔Gap1适用于第一终端共享第二终端的COT的情况。
可选的,所述DCI或SCI中携带以下信息中的至少一项:
指示反馈信息在当前信道占用时间COT或下K个COT内发送;
在当前COT内反馈的终端标识ID;
在下K个COT内反馈的终端ID;
其中,K为大于等于1的正整数。
图5为本申请实施例提供的第一终端共享第二终端的COT发送PSFCH的示意图。如图5所示,TX UE initiated COT(也就是第二终端执行信道接入过程抢占得到的资源),分享资源给第一终端发送PSFCH。
具体地,第二终端(图5中的TX UE)发送SCI指示第一终端(图4中的RX UE)反馈信息所在的COT信息(例如:当前COT/下一个COT),包括以下几种情形:
SCI中携带第一终端的UE ID;
SCI中显示a bit指示PSFCH所在的COT信息(a>=0),若a=1,则当取值为“0”,表示在当前COT内传输;当取值为“1”,表示在下一个COT内发送反馈信息;
SCI隐式指示第一终端在PSFCH所在的COT信息。
在另一些可选的实施方式中,所述第一终端根据网络侧设备的数据传输以及第二映射规则,确定所述第一资源,第二映射规则用于表示所述网络侧设备的数据传输与第一资源的映射关系。
可以理解的是,第一资源与网络侧设备的数据传输相关。
可选的,所述第二映射规则通过预定义或预配置或配置得到。
可选的,所述网络侧设备的数据传输与第一资源的映射关系,包括:
DCI指示的所述第一资源与物理上行传输信息或物理下行传输信息的第二传输间隔Gap2;
其中,所述第二传输间隔Gap2为预定义或预配置或配置或指示的值。
即可以通过DCI向第一终端动态指示第一资源与PUSCH/PDSCH的第二传输间隔Gap2,但是,Gap2这个值的确定是可以通过预定义或预配置或配置或指示获得。本实施方式适用于第一终端共享网络侧设备的COT的情况。
例如,对于第一终端共享gNB的COT的情况,通过DCI动态指示第一资源在gNB的UL传输后间隔Gap2_UL的位置,或者,通过DCI动态指示第一资源在gNB的DL传输后间隔Gap2_DL的位置处。其中,Gap2_UL/Gap2_DL为预定义或预配置或配置或指示的值。
在另一些可选的实施方式中,所述第一终端根据第二PSSCH和/或PSCCH以及第三映射规则,确定所述第一资源,所述第三映射规则用于表示所述第二PSSCH和/或PSCCH与第一资源的映射关系。
其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。即所述第二PSSCH和/或PSCCH为第一终端待发送的第二PSSCH和/或PSCCH。
可以理解的是,所述第一资源与第二PSSCH和/或PSCCH在相同的时域单元内发送。其中,所述时域单元可为符号或时隙或毫秒。
可选的,所述第三映射规则通过预定义或预配置或配置得到。
例如,图6为本申请实施例提供的第一终端的PSFCH与第一终端的PSSCH和/或PSCCH在相同的时域单元内发送的示意图。如图6所示,第一终端(也就是PSSCH和/或PSSCH 1对应的RX UE)的PSFCH与其待发送的PSSCH和/或PSCCH 2进行LBT。若第一终端接入成功,则PSFCH与PSSCH和/或PSCCH 2在相同的时域单元内发送。
在另一些可选的实施方式中,所述第一终端根据配置信息或指示信息的位置以及第四映射规则,确定所述第一资源,所述第四映射规则用于表示所述配置信息或指示信息的位置与第一资源的映射关系。
也就是说,所述第一资源与配置信息或指示信息的位置相关。即通过配置信息或指示信息隐式地指示第一资源。
例如,所述第一终端根据DCI或SCI的位置以及第四映射规则,确定所述第一资源,所述第四映射规则用于表示所述DCI或SCI的位置与第一资源的映射关系。
可选的,所述第四映射规则通过预定义或预配置或配置得到。
在另一些可选的实施方式中,所述第一终端根据信道参数以及第五映射规则,确定所述第一资源,所述第五映射规则用于表示所述信道参数与第一资源的映射关系。
可以理解的是,所述第一资源与信道参数相关。
可选的,所述信道参数包括以下至少之一:
信道占用率信道占用率(Channel Occupancy Ratio,CR);
信道忙率(Channel Busy Ratio,CBR);
参考信号接收功率(Reference Signal Receiving Power,RSRP)门限值;
接收信号强度指示(Received Signal Strength Indicator,RSSI)门限值;
信号与干扰加噪声比(Signal to Interference plus Noise Ratio,SINR)门限值;
调制与编码策略(Modulation and Coding Scheme,MCS)表;
PSSCH信道占用时间。
可选的,所述第五映射规则通过预定义或预配置或配置得到。
例如,网络预配置CR范围range/CBR range与反馈资源间隔的关系如下:
CBR range 1对应(候选)反馈资源间隔N1;
CBR range 2对应(候选)反馈资源间隔N2;
若终端测量系统内/资源池内的CBR值在CBR range 1,则终端/gNB根据反馈资源间隔N1设置/指示反馈资源的间隔。
需要说明的是,上述各种第一终端确定第一资源的方式可以组合使用。
在一些可选的实施例中,第一资源为非授权频段上配置的部分或全部时域资源,或者,所述第一资源为资源池内或信道占用时间COT内的全部或部分资源。
图7为本申请实施例提供的所有时域资源均为PSFCH候选资源的示 意图。如图7所示,第一终端执行信道接入,抢占资源发送PSFCH。预定义第一资源为非授权频段上配置的部分或全部时域资源。第一资源在该部分或全部时域资源上进行信道接入过程。若接入成功,则可以占用对应的反馈资源发送反馈信息。可选的,所述第一资源与对应的PSSCH和/或PSCCH资源的间隔大于第三传输间隔。其中,第三传输间隔为预定义/预配置的值。
可选的,资源池内/COT内所有资源均可作为第一资源。进一步地,第一资源可以是所述资源池内/COT内的部分资源。
在上述情形下,对于第一资源本身没有影响,为了节约反馈信息接收端设备识别PSFCH的开销,对于PSFCH传递的信息需要额外的设计,反馈信息包含以下至少一种信息:
反馈信息接收端设备的ID(例如,第二终端的UE ID);
反馈信息发送端设备的ID(即第一终端的UE ID);
HARQ进程ID;
ACK/NACK。
其中,反馈信息接收端设备是第二终端,调度终端或网络侧设备。
可以理解的是,若一个PSSCH对应多个PSFCH周期,一个PSFCH时机occasion上可能携带一个UE的多个传输块(Transport Block,TB)的反馈信息,反馈信息接收端设备接收反馈信息,需要标识是哪个TB的反馈。
在一些可选的实施例中,所述第一资源通过无线资源控制RRC预配置或配置,和/或,所述第一资源通过媒介访问控制控制元素MAC CE,DCI或SCI指示。
一种实施方式中,所述第一资源通过无线资源控制RRC预配置或配置。可选的,第二终端通过RRC信令预配置或配置所述第一终端的第一资源,或者,调度终端通过RRC信令预配置或配置所述第一终端的第一资源,或者,网络侧设备通过RRC信令预配置或配置所述第一终端的第 一资源。
一种实施方式中,所述第一资源通过媒介访问控制控制元素MAC CE,DCI或SCI指示。可选的,第二终端通过MAC CE或SCI指示所述第一终端的第一资源,或者,调度终端通过MAC CE或SCI指示所述第一终端的第一资源,网络侧设备通过MAC CE或DCI指示所述第一终端的第一资源。
一种实施方式中,所述第一资源通过无线资源控制RRC预配置或配置,并通过媒介访问控制控制元素MAC CE,DCI或SCI指示。
例如,第一终端先接收网络预配置或配置的第一资源与PSSCH或PSCCH的传输间隔配置的表格,然后接收网络的MAC CE信令,指示传输间隔的具体值。
图8为本申请实施例提供的动态指示一个或多个PSFCH候选资源的示意图。
一种实施方式中,第二终端发送SCI指示一个/多个PSFCH候选资源的位置。第一终端在候选反馈资源前进行信道接入过程,若接入成功,则可以占用对应的反馈资源发送反馈信息。第二终端在候选反馈资源(如图8中的候选PSFCH资源1,候选PSFCH资源2和/或候选PSFCH资源3)上检测PSFCH。
一种实施方式中,调度终端(如Header UE)发送SCI指示一个/多个PSFCH候选位置给第一终端和/或第二终端。第一终端在候选反馈资源前进行信道接入过程,若接入成功,则可以占用对应的反馈资源发送反馈信息。第二终端在候选反馈资源上检测PSFCH。
一种实施方式中,网络侧设备(如gNB)发送DCI指示一个/多个PSFCH候选位置给第一终端和/或第二终端。第一终端在候选反馈资源前进行信道接入过程,若接入成功,则可以占用对应的反馈资源发送反馈信息。第二终端在候选反馈资源上检测PSFCH。
在另一些可选的实施例中,在所述第一资源为检测资源/LBT位置的 情况下,所述第一终端确定第一资源,包括:
根据所述候选反馈资源或反馈资源以及第六映射规则确定所述检测资源/LBT位置,所述第六映射规则用于指示检测资源/LBT位置与候选反馈资源/反馈资源的映射关系。
可选的,第一终端在确定了候选反馈资源或反馈资源的基础上,根据所述候选反馈资源或反馈资源,以及第六映射规则,确定检测资源/LBT位置。
其中,第六映射规则包括以下至少一项:
检测资源与候选反馈资源的映射关系;
检测资源与反馈资源的映射关系;
LBT位置与候选反馈资源的映射关系;
LBT位置与反馈资源的映射关系。
上述映射关系均可为一对一,一对多,多对一,或多对多的关系。
所述LBT的位置为LBT的起始位置和/或LBT结束位置。
例如:第一终端根据协议预定义的PSSCH和/或PSCCH的对应规则,确定候选反馈资源的位置。在反馈资源前X个时域单位开始检测进行资源抢占,若抢占成功,则在对应的COT内发送反馈信息。这样做不需要持续的检测,可以节约检测的能耗。
可选的,所述检测资源/LBT位置为以下至少之一偏移Y个时域单位:
候选反馈资源/反馈资源的起始位置或结束位置;
时隙起始边界或时隙结束边界;
固定帧周期(Fixed Frame Period,FFP)起始位置;
其中,Y为正整数。
在本申请实施例中,所述时域单位可以为微秒,符号,时隙,子帧,帧,或者毫秒。
在另一些可选的实施例中,所述第一终端确定第一资源,包括:
所述第一终端根据第一预设规则确定第一资源;
其中,所述第一预设规则包括:
根据SL资源池编号索引index对N值进行取模,在所得模值为A的情况下,确定所述SL资源池编号索引index对应的资源为第一资源;
其中,所述SL资源池编号索引index为系统帧号(System Frame Number,SFN)的编号,或者为SL资源池内的直接帧号(Direct Frame Number,DFN)的编号;
其中,所述N和/或A的值满足以下至少之一:
为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;
为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口(contention window,CW)或信道接入优先级(Channel Access Priority,CPAC)参数配置的值;
A为每个终端配置的值,或者与终端ID相关的值。
其中,A为每个终端配置的值是指A是终端独立配置的参数。也就是说,不同终端之间可以配置不同的值。
例如,为每个资源池配置一个或多个N和/或A的值。
例如,设置CR与N和/或A的映射关系,根据测量所得的CB来获取对应的N和/或A的值;或者,设置CBR与N和/或A的映射关系,根据测量所得的CBR来获取对应的N和/或A的值。
可选的,根据资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或CW或CPAC参数,设置N和/或A的调整值delta,即更新N/A。
可选的,所述第一终端确定第一资源,包括:
所述第一终端根据第二预设规则确定第一资源;
其中,所述第二预设规则包括:
以信道占用时间COT的起始时域资源为参考,偏移m个时域单位,确定为第一资源;
其中,所述m的值满足以下至少之一:
m为协议预定义或预配置或配置的参数,和/或为MAC CE/DCI/SCI指示的值;
m mod M=B,其中,M和/或B的值满足以下之一:为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;B为每个终端配置的值,或者与终端ID相关的值。
其中,B为每个终端配置的值是指B是终端独立配置的参数。也就是说,不同终端之间可以配置不同的值。
其中,m为一个或多个位置。
例如:预定义M为4,若预定义m(mod M)=0,则为候选起始位置。在COT范围内,距离COT起始位置偏移4,8,12,…的位置为候选的反馈资源位置。
可选的,所述方法还包括:
所述第一终端在所述第一资源的位置上执行信道接入流程;
在接入成功的情况下,所述第一终端占用所述第一资源发送反馈信息;
在接入失败的情况下,所述第一终端在下一个或多个第一资源的位置上执行信道接入流程。
可选的,所述反馈信息包括以下至少之一:
反馈信息接收端设备的标识ID;
所述第一终端的ID;
混合自动重传请求进程标识HARQ process ID;
确认信息(ACKnowledgment,ACK)/否定确认信息(Non-ACKnowledgment,NACK);
非连续传输(Discontinuous Transmission,DTX)。其中,DTX表示接收反馈信息的终端/基站在期望接收反馈信息的位置,未接收到任何反馈信息,则认为反馈为DTX。
可选的,所述方法还包括以下至少之一:
在所述反馈信息为NACK的情况下,所述第一终端在下一个或多个第一资源的位置上执行信道接入流程;
在反馈信息为ACK的情况下,所述第一终端停止在后续第一资源的位置上执行信道接入流程;
第一终端根据第二终端或调度终端或网络侧设备的指示,确定是否在后续第一资源的位置上执行信道接入流程。
可以理解的是,第一终端在部分/全部第一资源上进行执行信道接入流程,也即信道检测,根据检测结果,执行以下至少之一:
1)若第一终端在第一资源接入成功,则在对应的反馈资源上发送反馈信息。且满足以下至少之一:
若反馈信息为NACK,则第一终端在下一个/多个第一资源进行信道接入;
若反馈信息为ACK,则第一终端停止在后续的第一资源进行信道接入;
第一终端根据第二终端或调度终端或网络侧设备的指示,确定是否在后续的第一资源上进行信道接入;
2)若第一终端在第一资源接入失败,则在下一个/多个第一资源上进行信道接入。
其中,所述部分/全部第一资源为半静态配置和/或动态指示的第一资源。
参考图3,第一终端在候选反馈资源前进行信道接入过程,若接入成功,则可以占用对应的反馈资源发送反馈信息。若反馈信息为ACK,则RX UE在后续的候选反馈资源前不进行LBT检测,若反馈为NACK,则RX UE在后续的候选反馈资源上进行LBT检测。
参考图7,第一终端在全部时域资源上进行信道接入过程,若接入成功,则可以占用对应的反馈资源发送反馈信息,所述反馈信息包括反馈信息接收端设备的ID,第一终端ID,HARQ process ID,ACK/NACK信息 中的至少一项。
图9为本申请实施例提供的PSFCH资源关联PSCCH/PSSCH的示意图,参考图9,可选的,TB初传/重传的PSCCH/PSSCH分别关联相应的PSFCH,第一终端(图9中的RX UE)在PSCCH/PSSCH解调后,需要在关联的PSFCH资源上反馈HARQ-ACK。对于非授权频段,第一终端可能无法接入信道来反馈PSFCH。第一终端可针对多个PSFCH资源尝试信道接入,第一终端至少可以在解调的PSCCH/PSSCH所关联/预留的PSCCH/PSSCH(部分PSCCH/PSSCH)相应的PSFCH资源上尝试信道接入(无论预留的PSCCH/PSSCH是否有TB传输),若成功,则反馈HARQ-ACK信息。可选的,所述预留为该TB传输预留资源。
第二终端(图9中的TX UE)进行TB传输后,如果在PSCCH/PSSCH关联的PSFCH上没有解调到HARQ-ACK信息,第二终端仍需在所述第一终端可能发送PSFCH的位置进行PSFCH接收。
在本申请实施例中,第一终端根据协议预定义、半静态配置、动态指示或预设规则确定执行信道接入流程的第一资源,并在接入成功后,在相应的反馈资源上发送反馈信息,检测位置灵活可控,调度灵活性高,且该第一终端只需要在第一资源上进行信道接入,可以节约第一终端检测的能量消耗。
图10为本申请实施例提供的旁链路反馈资源的确定方法的流程示意图之二,如图10所示,该方法包括:
步骤1000、第二终端或调度终端在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
需要说明的是,本申请实施例的执行主体可以是第二终端,或调度终端。即第二终端或调度终端作为反馈信息接收端。
第二终端或调度终端可以指示第一终端确定第一资源的方式,那么,第一终端的第一资源对第二终端或调度终端来说是已知的。或者,第二终端或调度终端也可以按照预设规则确定第一终端的第一资源。预设规则可 以参考前述方法实施例中的描述,在此不再赘述。
可选的,第二终端为PSSCH或PSCCH的发送端设备,反馈信息的接收端设备。
可选的,调度终端可以是头终端header UE,用于控制一对UE的数据发送和接收。
可选的,调度终端可以是发送PSSCH和/或PSCCH的设备,或者是控制终端/头终端发送PSSCH和/或PSCCH的设备,或者是授权终端发送PSSCH和/或PSCCH的设备。
可以理解的是,第一终端在第一资源上执行信道接入流程,若接入成功,则在相应的第一资源上发送反馈信息。相应地,第二终端或调度终端在第一资源上进行反馈信息检测。
在本申请实施例中,第二终端或调度终端在第一资源上进行反馈信息检测,可以节约第二终端或调度终端接收反馈信息的能量消耗。
可选的,所述方法还包括以下至少之一:
所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一资源;
所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一映射规则;
所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第三映射规则;
所述第二终端或调度终端通过MAC CE或SCI指示所述第一终端的第四映射规则;
所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第五映射规则。
可以理解的是,所述方法还包括以下至少之一:
所述第二终端或调度终端通过无线资源控制RRC信令预配置或配置所述第一终端的第一资源;
所述第二终端或调度终端通过媒介访问控制控制元素MAC CE或旁链路控制信息SCI指示所述第一终端的第一资源;
所述第二终端或调度终端通过RRC信令,以及MAC CE或SCI,指示所述第一终端的第一资源;
所述第二终端或调度终端通过RRC信令预配置或配置所述第一终端的第一映射规则;
所述第二终端或调度终端通过MAC CE或SCI指示所述第一终端的第一映射规则;
所述第二终端或调度终端通过RRC信令,以及MAC CE或SCI,指示所述第一终端的第一映射规则;
所述第二终端或调度终端通过RRC信令预配置或配置所述第一终端的第三映射规则;
所述第二终端或调度终端通过MAC CE或SCI指示所述第一终端的第三映射规则;
所述第二终端或调度终端通过RRC信令,以及MAC CE或SCI,指示所述第一终端的第三映射规则;
所述第二终端或调度终端通过MAC CE或SCI指示所述第一终端的第四映射规则;
所述第二终端或调度终端通过RRC信令预配置或配置所述第一终端的第五映射规则;
所述第二终端或调度终端通过MAC CE或SCI指示所述第一终端的第五映射规则;
所述第二终端或调度终端通过RRC信令,以及MAC CE或SCI,指示所述第一终端的第五映射规则;
其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
所述第三映射规则用于表示第一终端的第二PSSCH和/或PSCCH与 第一资源的映射关系;
所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
所述第五映射规则用于表示信道参数与第一资源的映射关系;
其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;
其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
可选的,所述方法还包括以下至少之一:
若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
若在所述第一资源上接收到的反馈信息为NACK,所述第二终端或调度终端在下一个或多个第一资源位置上进行反馈信息检测;
若在所有第一资源上接收到的反馈信息均为确认信息ACK,所述第二终端或调度终端向所述第一终端指示第一资源;
若在所有第一资源上均未接收到ACK,所述第二终端或调度终端丢弃当前数据包。
可参考图3和4,第二终端或调度终端在候选反馈资源中进行PSFCH检测,
a)若检测失败,则认为反馈信息为NACK或DTX。
b)若检测为NACK,则在后续的候选反馈资源位置检测反馈信息。(如图3)
c)若检测为ACK,则在后续的候选反馈资源位置不检测反馈信息。(如图4)
可选的,所述第二终端或调度终端向所述第一终端指示第一资源。
d)若M次PSFCH均失败,或者未检测到ACK,或者检测到K次NACK, 则第二终端丢弃该数据包。其中,K为预设门限。
在本申请实施例中,第二终端或调度终端指示第一终端的第一资源确定方式,实现了反馈资源的灵活配置,可以节约第一终端检测反馈资源的能量消耗,并且第二终端或调度终端只需要在第一资源上进行反馈信息检测,可以节约第二终端或调度终端检测反馈信息的能量消耗。
图11为本申请实施例提供的旁链路反馈资源的确定方法的流程示意图之三,如图11所示,该方法包括:
步骤1100、网络侧设备在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
本申请实施例的执行主体为网络侧设备,即网络侧设备作为反馈信息接收端。
可以理解的是,第一终端在第一资源上执行信道接入流程,若接入成功,则在相应的第一资源上发送反馈信息。相应地,网络侧设备在第一资源上进行反馈信息检测。
网络侧设备可以指示第一终端确定第一资源的方式,那么,第一终端的第一资源对网络侧设备来说是已知的。或者,网络侧设备也可以按照预设规则确定第一终端的第一资源。预设规则可以参考前述方法实施例中的描述,在此不再赘述。
在本申请实施例中,网络侧设备在第一资源上进行反馈信息检测,可以节约网络侧设备接收反馈信息的能量消耗。
可选的,所述网络侧设备在第一资源上进行反馈信息检测之前,还包括以下至少之一:
所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一资源;
所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一映射规则;
所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的 至少之一指示第一终端的第二映射规则;
所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第三映射规则;
所述网络侧设备通过MAC CE或DCI指示第一终端的第四映射规则;
所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第五映射规则。
可以理解的是,所述方法还包括以下至少之一:
所述网络侧设备通过无线资源控制RRC信令预配置或配置所述第一终端的第一资源;
所述网络侧设备通过媒介访问控制控制元素MAC CE或下行控制信息DCI指示所述第一终端的第一资源;
所述网络侧设备通过RRC信令,以及MAC CE或DCI,指示所述第一终端的第一资源;
所述网络侧设备通过RRC信令预配置或配置所述第一终端的第一映射规则;
所述网络侧设备通过MAC CE或DCI指示所述第一终端的第一映射规则;
所述网络侧设备通过RRC信令,以及MAC CE或DCI,指示所述第一终端的第一映射规则;
所述网络侧设备通过RRC信令预配置或配置所述第一终端的第二映射规则;
所述网络侧设备通过MAC CE或DCI指示所述第一终端的第二映射规则;
所述网络侧设备通过RRC信令,以及MAC CE或DCI,指示所述第一终端的第二映射规则;
所述网络侧设备通过RRC信令预配置或配置所述第一终端的第三映射规则;
所述网络侧设备通过MAC CE或DCI指示所述第一终端的第三映射规则;
所述网络侧设备通过RRC信令,以及MAC CE或DCI,指示所述第一终端的第三映射规则;
所述网络侧设备通过MAC CE或DCI指示所述第一终端的第四映射规则;
所述网络侧设备通过RRC信令预配置或配置所述第一终端的第五映射规则;
所述网络侧设备通过MAC CE或DCI指示所述第一终端的第五映射规则;
所述网络侧设备通过RRC信令,以及MAC CE或DCI,指示所述第一终端的第五映射规则;
其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
所述第二映射规则用于表示网络侧设备的数据传输与第一资源的映射关系;
所述第三映射规则用于表示第二PSSCH和/或PSCCH与第一资源的映射关系;
所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
所述第五映射规则用于表示信道参数与第一资源的映射关系;
其中,所述第一PSSCH和/或PSCCH为网络侧设备调度的PSSCH和/或PSCCH;
所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
可选的,还包括以下至少之一:
若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
若在所述第一资源上接收到的反馈信息为NACK,所述网络侧设备在下一个或多个第一资源位置上进行反馈信息检测;
若在所有第一资源上接收到的反馈信息均为确认信息ACK,所述网络侧设备向所述第一终端指示第一资源;
若在所有第一资源上均未接收到ACK,所述网络侧设备丢弃当前数据包。
在本申请实施例中,网络侧设备指示第一终端的第一资源确定方式,实现了反馈资源的灵活配置,可以节约第一终端检测反馈资源的能量消耗,并且网络侧设备只需要在第一资源上进行反馈信息检测,可以节约网络侧设备检测反馈信息的能量消耗。
需要说明的是,本申请实施例提供的旁链路反馈资源的确定方法,执行主体可以为旁链路反馈资源的确定装置,或者,该旁链路反馈资源的确定装置中的用于执行旁链路反馈资源的确定方法的控制模块。本申请实施例中以旁链路反馈资源的确定装置执行旁链路反馈资源的确定方法为例,说明本申请实施例提供的旁链路反馈资源的确定装置。
图12为本申请实施例提供的旁链路反馈资源的确定装置的结构示意图之一,包括:
第一确定单元1210,用于确定第一资源,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
在本申请实施例中,确定执行信道接入流程的第一资源,检测位置灵活可控,调度灵活性高,且只需要在第一资源上进行信道接入,可以节约检测能量消耗。
可选的,所述第一资源包括以下至少之一:
候选反馈资源;
反馈资源;
先听后说LBT位置;
检测资源;
物理旁链路反馈信道PSFCH资源;
信道状态信息CSI报告的资源;
混合自动重传请求HARQ资源。
可选的,所述第一确定单元1210用于执行以下至少之一:
根据第一物理旁链路共享信道PSSCH和/或物理旁链路控制信道PSCCH以及第一映射规则,确定所述第一资源,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
根据网络侧设备的数据传输以及第二映射规则,确定所述第一资源,第二映射规则用于表示所述网络侧设备的数据传输与第一资源的映射关系;
根据第二PSSCH和/或PSCCH以及第三映射规则,确定所述第一资源,所述第三映射规则用于表示所述第二PSSCH和/或PSCCH与第一资源的映射关系;
根据配置信息或指示信息的位置以及第四映射规则,确定所述第一资源,所述第四映射规则用于表示所述配置信息或指示信息的位置与第一资源的映射关系;
根据信道参数以及第五映射规则,确定所述第一资源,所述第五映射规则用于表示所述信道参数与第一资源的映射关系;
其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;网络侧设备调度的PSSCH和/或PSCCH;
其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
可选的,所述第一映射规则满足以下至少之一:
所述第一映射规则通过预定义或预配置或配置得到;
在M个物理旁链路反馈信道PSFCH周期内,预定义或预配置或配置 所述第一映射规则,其中,M为协议预定义或预配置或配置的值;
所述第一PSSCH和/或PSCCH与第一资源的映射关系为一对一,一对多,多对一或多对多;
所述第一映射规则中第i个第一资源与第j个第一资源的间隔大于L,i,j为大于等于1的正整数,L为预定义或预配置或配置或指示的值。
可选的,所述第一PSSCH和/或PSCCH与第一资源的映射关系,包括:
通过下行控制信息DCI或旁链路控制信息SCI指示的所述第一资源与所述第一PSSCH和/或PSCCH的第一传输间隔Gap1;
其中,所述第一传输间隔Gap1为预定义或预配置或配置或指示的值。
可选的,所述DCI或SCI中携带以下信息中的至少一项:
指示反馈信息在当前信道占用时间COT或下K个COT内发送;
在当前COT内反馈的终端标识ID;
在下K个COT内反馈的终端ID;
其中,K为大于等于1的正整数。
可选的,所述网络侧设备的数据传输与第一资源的映射关系,包括:
DCI指示的所述第一资源与物理上行传输信息或物理下行传输信息的第二传输间隔Gap2;
其中,所述第二传输间隔Gap2为预定义或预配置或配置或指示的值。
可选的,所述信道参数包括以下至少之一:
信道占用率CR;
信道忙率CBR;
参考信号接收功率RSRP门限值;
接收信号强度指示RSSI门限值;
信号与干扰加噪声比SINR门限值;
调制与编码策略表MCS table;
PSSCH信道占用时间。
可选的,所述第一资源为非授权频段上配置的部分或全部时域资源,或者,所述第一资源为资源池内或信道占用时间COT内的全部或部分资源。
可选的,所述第一资源通过无线资源控制RRC预配置或配置,和/或,所述第一资源通过媒介访问控制控制元素MAC CE,DCI或SCI指示。
可选的,在所述第一资源为检测资源/LBT位置的情况下,所述第一确定单元,用于:
根据所述候选反馈资源或反馈资源以及第六映射规则确定所述检测资源/LBT位置,所述第六映射规则用于指示检测资源/LBT位置与候选反馈资源/反馈资源的映射关系。
可选的,所述检测资源/LBT位置为以下至少之一偏移Y个时域单位:
候选反馈资源/反馈资源的起始位置或结束位置;
时隙起始边界或时隙结束边界;
固定帧周期FFP起始位置;
其中,Y为正整数。
可选的,所述第一确定单元,用于:
根据第一预设规则确定第一资源;
其中,所述第一预设规则包括:
根据SL资源池编号索引index对N值进行取模,在所得模值为A的情况下,确定所述SL资源池编号索引index对应的资源为第一资源;
其中,所述SL资源池编号索引index为系统帧号SFN的编号,或者为SL资源池内的DFN的编号;
其中,所述N和/或A的值满足以下至少之一:
为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;
为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;
A为每个终端配置的值,或者与终端ID相关的值。
可选的,所述第一确定单元,用于:
根据第二预设规则确定第一资源;
其中,所述第二预设规则包括:
以信道占用时间COT的起始时域资源为参考,偏移m个时域单位,确定为第一资源;
其中,所述m的值满足以下至少之一:
m为协议预定义或预配置或配置的参数,和/或为MAC CE/DCI/SCI指示的值;
m mod M=B,其中,M和/或B的值满足以下之一:为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;B为每个终端配置的值,或者与终端ID相关的值。
可选的,所述装置还包括第一处理单元,用于:
在所述第一资源的位置上执行信道接入流程;
在接入成功的情况下,占用所述第一资源发送反馈信息;
在接入失败的情况下,在下一个或多个第一资源的位置上执行信道接入流程。
可选的,所述反馈信息包括以下至少之一:
反馈信息接收端设备的标识ID;
所述第一终端的ID;
混合自动重传请求进程标识HARQ process ID;
确认信息ACK/否定确认信息NACK;
非连续传输DTX。
可选的,所述装置还包括第二处理单元,用于执行以下至少之一:
在所述反馈信息为NACK的情况下,所在下一个或多个第一资源的位 置上执行信道接入流程;
在反馈信息为ACK的情况下,停止在后续第一资源的位置上执行信道接入流程;
根据第二终端或调度终端或网络侧设备的指示,确定是否在后续第一资源的位置上执行信道接入流程。
在本申请实施例中,根据协议预定义、半静态配置、动态指示或预设规则确定执行信道接入流程的第一资源,并在接入成功后,在相应的反馈资源上发送反馈信息,检测位置灵活可控,调度灵活性高,且该装置只需要在第一资源上进行信道接入,可以节约检测能量消耗。
本申请实施例中的旁链路反馈资源的确定装置可以是装置,具有操作系统的装置或电子设备,也可以是终端中的部件、集成电路、或芯片。该装置或电子设备可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例提供的旁链路反馈资源的确定装置能够实现图2至图9的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
图13为本申请实施例提供的旁链路反馈资源的确定装置的结构示意图之二,如图13所示,该装置包括:
第三处理单元1310,用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
在本申请实施例中,旁链路反馈资源的确定装置在第一资源上进行反馈信息检测,可以节约旁链路反馈资源的确定装置接收反馈信息的能量消耗。
可选的,还包括第四处理单元,用于执行以下至少之一:
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一资源;
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一映射规则;
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第三映射规则;
通过MAC CE或SCI指示所述第一终端的第四映射规则;
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第五映射规则;
其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
所述第三映射规则用于表示第一终端的第二PSSCH和/或PSCCH与第一资源的映射关系;
所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
所述第五映射规则用于表示信道参数与第一资源的映射关系;
其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;
其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
可选的,还包括第五处理单元,用于执行以下至少之一:
若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
若在所述第一资源上接收到的反馈信息为NACK,在下一个或多个第一资源位置上进行反馈信息检测;
若在所有第一资源上接收到的反馈信息均为确认信息ACK,向所述第 一终端指示第一资源;
若在所有第一资源上均未接收到ACK,丢弃当前数据包。
在本申请实施例中,旁链路反馈资源的确定装置指示第一终端的第一资源确定方式,实现了反馈资源的灵活配置,可以节约第一终端检测反馈资源的能量消耗,并且旁链路反馈资源的确定装置只需要在第一资源上进行反馈信息检测,可以节约旁链路反馈资源的确定装置检测反馈信息的能量消耗。
本申请实施例中的旁链路反馈资源的确定装置可以是装置,具有操作系统的装置或电子设备,也可以是终端中的部件、集成电路、或芯片。该装置或电子设备可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。
本申请实施例提供的旁链路反馈资源的确定装置能够实现图10的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。
图14为本申请实施例提供的旁链路反馈资源的确定装置的结构示意图之三,如图14所示,该装置包括:
第六处理单元1410,用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
可选的,还包括第七处理单元,用于执行以下至少之一:
通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一资源;
通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一映射规则;
通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第 一终端的第二映射规则;
通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第三映射规则;
通过MAC CE或DCI指示第一终端的第四映射规则;
通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第五映射规则;
其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
所述第二映射规则用于表示网络侧设备的数据传输与第一资源的映射关系;
所述第三映射规则用于表示第二PSSCH和/或PSCCH与第一资源的映射关系;
所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
所述第五映射规则用于表示信道参数与第一资源的映射关系;
其中,所述第一PSSCH和/或PSCCH为网络侧设备调度的PSSCH和/或PSCCH;
所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
可选的,还包括第八处理单元,用于执行以下至少之一:
若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
若在所述第一资源上接收到的反馈信息为NACK,在下一个或多个第一资源位置上进行反馈信息检测;
若在所有第一资源上接收到的反馈信息均为确认信息ACK,向所述第一终端指示第一资源;
若在所有第一资源上均未接收到ACK,丢弃当前数据包。
在本申请实施例中,旁链路反馈资源的确定装置指示第一终端的第一 资源确定方式,实现了反馈资源的灵活配置,可以节约第一终端检测反馈资源的能量消耗,并且旁链路反馈资源的确定装置只需要在第一资源上进行反馈信息检测,可以节约旁链路反馈资源的确定装置检测反馈信息的能量消耗。
可选的,如图15所示,本申请实施例还提供一种通信设备1500,包括处理器1501,存储器1502,存储在存储器1502上并可在所述处理器1501上运行的程序或指令,例如,该通信设备1500为终端时,该程序或指令被处理器1501执行时实现上述旁链路反馈资源的确定方法实施例的各个过程,且能达到相同的技术效果。该通信设备1500为网络侧设备时,该程序或指令被处理器1501执行时实现上述旁链路反馈资源的确定方法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。
本申请实施例还提供一种终端,包括处理器和通信接口,处理器用于确定第一资源,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。或者,处理器用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。该终端实施例是与上述终端侧方法实施例对应的,上述方法实施例的各个实施过程和实现方式均可适用于该终端实施例中,且能达到相同的技术效果。具体地,图16为实现本申请实施例的一种终端的硬件结构示意图。
该终端1600包括但不限于:射频单元1601、网络模块1602、音频输出单元1603、输入单元1604、传感器1605、显示单元1606、用户输入单元1607、接口单元1608、存储器1609、以及处理器1610等中的至少部分部件。
本领域技术人员可以理解,终端1600还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器1610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。图16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,在此不再赘述。
应理解的是,本申请实施例中,输入单元1604可以包括图形处理器(Graphics Processing Unit,GPU)16041和麦克风16042,图形处理器16041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。显示单元1606可包括显示面板16061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板1061。用户输入单元1607包括触控面板16071以及其他输入设备16072。触控面板16071,也称为触摸屏。触控面板16071可包括触摸检测装置和触摸控制器两个部分。其他输入设备16072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。
本申请实施例中,射频单元1601将来自网络侧设备的下行数据接收后,给处理器1610处理;另外,将上行的数据发送给网络侧设备。通常,射频单元1601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。
存储器1609可用于存储软件程序或指令以及各种数据。存储器1609可主要包括存储程序或指令区和存储数据区,其中,存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器1609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,其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
处理器1610可包括一个或多个处理单元;可选的,处理器1610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或指令等,调制解调处理器主要处理无线通信,如基 带处理器。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1610中。
其中,处理器1610,用于确定第一资源,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
在本申请实施例中,终端确定执行信道接入流程的第一资源,检测位置灵活可控,调度灵活性高,且该终端只需要在第一资源上进行信道接入,可以节约终端检测的能量消耗。
可选的,所述第一资源包括以下至少之一:
候选反馈资源;
反馈资源;
先听后说LBT位置;
检测资源;
物理旁链路反馈信道PSFCH资源;
信道状态信息CSI报告的资源;
混合自动重传请求HARQ资源。
可选的,处理器1610,还用于执行以下至少之一:
根据第一物理旁链路共享信道PSSCH和/或物理旁链路控制信道PSCCH以及第一映射规则,确定所述第一资源,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
根据网络侧设备的数据传输以及第二映射规则,确定所述第一资源,第二映射规则用于表示所述网络侧设备的数据传输与第一资源的映射关系;
根据第二PSSCH和/或PSCCH以及第三映射规则,确定所述第一资源,所述第三映射规则用于表示所述第二PSSCH和/或PSCCH与第一资源的映射关系;
根据配置信息或指示信息的位置以及第四映射规则,确定所述第一资源,所述第四映射规则用于表示所述配置信息或指示信息的位置与第一资 源的映射关系;
根据信道参数以及第五映射规则,确定所述第一资源,所述第五映射规则用于表示所述信道参数与第一资源的映射关系;
其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;网络侧设备调度的PSSCH和/或PSCCH;
其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
可选的,在所述第一资源为检测资源/LBT位置的情况下,所述处理器1610,还用于:
根据所述候选反馈资源或反馈资源以及第六映射规则确定所述检测资源/LBT位置,所述第六映射规则用于指示检测资源/LBT位置与候选反馈资源/反馈资源的映射关系。
可选的,所述处理器1610,还用于:
根据第一预设规则确定第一资源;
其中,所述第一预设规则包括:
根据SL资源池编号索引index对N值进行取模,在所得模值为A的情况下,确定所述SL资源池编号索引index对应的资源为第一资源;
其中,所述SL资源池编号索引index为系统帧号SFN的编号,或者为SL资源池内的DFN的编号;
其中,所述N和/或A的值满足以下至少之一:
为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;
为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;
A为每个终端配置的值,或者与终端ID相关的值。
可选的,所述处理器1610,还用于:
根据第二预设规则确定第一资源;
其中,所述第二预设规则包括:
以信道占用时间COT的起始时域资源为参考,偏移m个时域单位,确定为第一资源;
其中,所述m的值满足以下至少之一:
m为协议预定义或预配置或配置的参数,和/或为MAC CE/DCI/SCI指示的值;
m mod M=B,其中,M和/或B的值满足以下之一:为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;B为每个终端配置的值,或者与终端ID相关的值。
可选的,所述处理器1610,还用于:
在所述第一资源的位置上执行信道接入流程;
在接入成功的情况下,占用所述第一资源发送反馈信息;
在接入失败的情况下,在下一个或多个第一资源的位置上执行信道接入流程。
可选的,所述处理器1610,还用于执行以下至少之一:
在所述反馈信息为NACK的情况下,所在下一个或多个第一资源的位置上执行信道接入流程;
在反馈信息为ACK的情况下,停止在后续第一资源的位置上执行信道接入流程;
根据第二终端或调度终端或网络侧设备的指示,确定是否在后续第一资源的位置上执行信道接入流程。
在本申请实施例中,终端根据协议预定义、半静态配置、动态指示或预设规则确定执行信道接入流程的第一资源,并在接入成功后,在相应的 反馈资源上发送反馈信息,检测位置灵活可控,调度灵活性高,且该终端只需要在第一资源上进行信道接入,可以节约终端检测的能量消耗。
在另一些可选的实施例中,所述处理器1610用于:
在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
可选的,所述处理器1610还用于执行以下至少之一:
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一资源;
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一映射规则;
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第三映射规则;
通过MAC CE或SCI指示所述第一终端的第四映射规则;
通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第五映射规则;
其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
所述第三映射规则用于表示第一终端的第二PSSCH和/或PSCCH与第一资源的映射关系;
所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
所述第五映射规则用于表示信道参数与第一资源的映射关系;
其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;
其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
可选的,所述处理器1610还用于执行以下至少之一:
若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
若在所述第一资源上接收到的反馈信息为NACK,在下一个或多个第一资源位置上进行反馈信息检测;
若在所有第一资源上接收到的反馈信息均为确认信息ACK,向所述第一终端指示第一资源;
若在所有第一资源上均未接收到ACK,丢弃当前数据包。
在本申请实施例中,指示第一终端的第一资源确定方式,实现了反馈资源的灵活配置,可以节约第一终端检测反馈资源的能量消耗,并且只需要在第一资源上进行反馈信息检测,可以节约检测反馈信息的能量消耗。
本申请实施例还提供一种网络侧设备,包括处理器和通信接口,处理器用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。该网络侧设备实施例是与上述网络侧设备方法实施例对应的,上述方法实施例的各个实施过程和实现方式均可适用于该网络侧设备实施例中,且能达到相同的技术效果。
具体地,本申请实施例还提供了一种网络侧设备。如图17所示,该网络侧设备1700包括:天线1701、射频装置1702、基带装置1703。天线1701与射频装置1702连接。在上行方向上,射频装置1702通过天线1701接收信息,将接收的信息发送给基带装置1703进行处理。在下行方向上,基带装置1703对要发送的信息进行处理,并发送给射频装置1702,射频装置1702对收到的信息进行处理后经过天线1701发送出去。
上述频带处理装置可以位于基带装置1703中,以上实施例中网络侧设备执行的方法可以在基带装置1703中实现,该基带装置1703包括处理器1704和存储器1705。
基带装置1703例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图17所示,其中一个芯片例如为处理器1704,与存储器1705 连接,以调用存储器1705中的程序,执行以上方法实施例中所示的网络设备操作。
该基带装置1703还可以包括网络接口1706,用于与射频装置1702交互信息,该接口例如为通用公共无线接口(common public radio interface,简称CPRI)。
具体地,本发明实施例的网络侧设备还包括:存储在存储器1705上并可在处理器1704上运行的指令或程序,处理器1704调用存储器1705中的指令或程序执行图14所示各模块执行的方法,并达到相同的技术效果,为避免重复,故不在此赘述。
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述旁链路反馈资源的确定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,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现上述旁链路反馈资源的确定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。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
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。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。
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,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机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)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述,但是本申请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申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。

Claims (42)

  1. 一种旁链路反馈资源的确定方法,包括:
    第一终端确定第一资源,其中,所述第一资源为所述第一终端执行信道接入流程的一个或多个资源。
  2. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,所述第一资源包括以下至少之一:
    候选反馈资源;
    反馈资源;
    先听后说LBT位置;
    检测资源;
    物理旁链路反馈信道PSFCH资源;
    信道状态信息CSI报告的资源;
    混合自动重传请求HARQ资源。
  3. 根据权利要求1或2所述的旁链路反馈资源的确定方法,其中,所述第一终端确定第一资源,包括以下至少之一:
    所述第一终端根据第一物理旁链路共享信道PSSCH和/或物理旁链路控制信道PSCCH以及第一映射规则,确定所述第一资源,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
    所述第一终端根据网络侧设备的数据传输以及第二映射规则,确定所述第一资源,第二映射规则用于表示所述网络侧设备的数据传输与第一资源的映射关系;
    所述第一终端根据第二PSSCH和/或PSCCH以及第三映射规则,确定所述第一资源,所述第三映射规则用于表示所述第二PSSCH和/或PSCCH与第一资源的映射关系;
    所述第一终端根据配置信息或指示信息的位置以及第四映射规则,确定所述第一资源,所述第四映射规则用于表示所述配置信息或指示信息的 位置与第一资源的映射关系;
    所述第一终端根据信道参数以及第五映射规则,确定所述第一资源,所述第五映射规则用于表示所述信道参数与第一资源的映射关系;
    其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;网络侧设备调度的PSSCH和/或PSCCH;
    其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
  4. 根据权利要求3所述的旁链路反馈资源的确定方法,其中,所述第一映射规则满足以下至少之一:
    所述第一映射规则通过预定义或预配置或配置得到;
    在M个物理旁链路反馈信道PSFCH周期内,预定义或预配置或配置所述第一映射规则,其中,M为协议预定义或预配置或配置的值;
    所述第一PSSCH和/或PSCCH与第一资源的映射关系为一对一,一对多,多对一或多对多;
    所述第一映射规则中第i个第一资源与第j个第一资源的间隔大于L,i,j为大于等于1的正整数,L为预定义或预配置或配置或指示的值。
  5. 根据权利要求3所述的旁链路反馈资源的确定方法,其中,所述第一PSSCH和/或PSCCH与第一资源的映射关系,包括:
    通过下行控制信息DCI或旁链路控制信息SCI指示的所述第一资源与所述第一PSSCH和/或PSCCH的第一传输间隔Gap1;
    其中,所述第一传输间隔Gap1为预定义或预配置或配置或指示的值。
  6. 根据权利要求5所述的旁链路反馈资源的确定方法,其中,所述DCI或SCI中携带以下信息中的至少一项:
    指示反馈信息在当前信道占用时间COT或下K个COT内发送;
    在当前COT内反馈的终端标识ID;
    在下K个COT内反馈的终端ID;
    其中,K为大于等于1的正整数。
  7. 根据权利要求3所述的旁链路反馈资源的确定方法,其中,所述网络侧设备的数据传输与第一资源的映射关系,包括:
    DCI指示的所述第一资源与上行传输信息或下行传输信息的第二传输间隔Gap2;
    其中,所述第二传输间隔Gap2为预定义或预配置或配置或指示的值。
  8. 根据权利要求3所述的旁链路反馈资源的确定方法,其中,所述信道参数包括以下至少之一:
    信道占用率CR;
    信道忙率CBR;
    参考信号接收功率RSRP门限值;
    接收信号强度指示RSSI门限值;
    信号与干扰加噪声比SINR门限值;
    调制与编码策略表MCS table;
    PSSCH信道占用时间。
  9. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,所述第一资源为非授权频段上配置的部分或全部时域资源,或者,所述第一资源为资源池内或信道占用时间COT内的全部或部分资源。
  10. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,所述第一资源通过无线资源控制RRC预配置或配置,和/或,所述第一资源通过媒介访问控制控制元素MAC CE,DCI或SCI指示。
  11. 根据权利要求2所述的旁链路反馈资源的确定方法,其中,在所述第一资源为检测资源/LBT位置的情况下,所述第一终端确定第一资源,包括:
    根据所述候选反馈资源或反馈资源以及第六映射规则确定所述检测资源/LBT位置,所述第六映射规则用于指示检测资源/LBT位置与候选反 馈资源/反馈资源的映射关系。
  12. 根据权利要求11所述的旁链路反馈资源的确定方法,其中,所述检测资源/LBT位置为以下至少之一偏移Y个时域单位:
    候选反馈资源/反馈资源的起始位置或结束位置;
    时隙起始边界或时隙结束边界;
    固定帧周期FFP起始位置;
    其中,Y为正整数。
  13. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,所述第一终端确定第一资源,包括:
    所述第一终端根据第一预设规则确定第一资源;
    其中,所述第一预设规则包括:
    根据SL资源池编号索引index对N值进行取模,在所得模值为A的情况下,确定所述SL资源池编号索引index对应的资源为第一资源;
    其中,所述SL资源池编号索引index为系统帧号SFN的编号,或者为SL资源池内的DFN的编号;
    其中,所述N和/或A的值满足以下至少之一:
    为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;
    为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;
    A为每个终端配置的值,或者与终端ID相关的值。
  14. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,所述第一终端确定第一资源,包括:
    所述第一终端根据第二预设规则确定第一资源;
    其中,所述第二预设规则包括:
    以信道占用时间COT的起始时域资源为参考,偏移m个时域单位,确定为第一资源;
    其中,所述m的值满足以下至少之一:
    m为协议预定义或预配置或配置的参数,和/或为MAC CE/DCI/SCI指示的值;
    m mod M=B,其中,M和/或B的值满足以下之一:为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;B为每个终端配置的值,或者与终端ID相关的值。
  15. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,所述方法还包括:
    所述第一终端在所述第一资源的位置上执行信道接入流程;
    在接入成功的情况下,所述第一终端占用所述第一资源发送反馈信息;
    在接入失败的情况下,所述第一终端在下一个或多个第一资源的位置上执行信道接入流程。
  16. 根据权利要求15所述的旁链路反馈资源的确定方法,其中,所述反馈信息包括以下至少之一:
    反馈信息接收端设备的标识ID;
    所述第一终端的ID;
    混合自动重传请求进程标识HARQ process ID;
    确认信息ACK/否定确认信息NACK;
    非连续传输DTX。
  17. 根据权利要求15所述的旁链路反馈资源的确定方法,其中,所述方法还包括以下至少之一:
    在所述反馈信息为NACK的情况下,所述第一终端在下一个或多个第一资源的位置上执行信道接入流程;
    在反馈信息为ACK的情况下,所述第一终端停止在后续第一资源的位置上执行信道接入流程;
    第一终端根据第二终端或调度终端或网络侧设备的指示,确定是否在后续第一资源的位置上执行信道接入流程。
  18. 一种旁链路反馈资源的确定方法,包括:
    第二终端或调度终端在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
  19. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,还包括以下至少之一:
    所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一资源;
    所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一映射规则;
    所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第三映射规则;
    所述第二终端或调度终端通过MAC CE或SCI指示所述第一终端的第四映射规则;
    所述第二终端或调度终端通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第五映射规则;
    其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
    所述第三映射规则用于表示第一终端的第二PSSCH和/或PSCCH与第一资源的映射关系;
    所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
    所述第五映射规则用于表示信道参数与第一资源的映射关系;
    其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载 调度终端的调度信息的PSSCH和/或PSCCH;
    其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
  20. 根据权利要求18或19所述的旁链路反馈资源的确定方法,其中,还包括以下至少之一:
    若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
    若在所述第一资源上接收到的反馈信息为NACK,所述第二终端或调度终端在下一个或多个第一资源位置上进行反馈信息检测;
    若在所有第一资源上接收到的反馈信息均为确认信息ACK,所述第二终端或调度终端向所述第一终端指示第一资源;
    若在所有第一资源上均未接收到ACK,所述第二终端或调度终端丢弃当前数据包。
  21. 一种旁链路反馈资源的确定方法,包括:
    网络侧设备在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
  22. 根据权利要求21所述的旁链路反馈资源的确定方法,其中,所述网络侧设备在第一资源上进行反馈信息检测之前,还包括以下至少之一:
    所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一资源;
    所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一映射规则;
    所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第二映射规则;
    所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第三映射规则;
    所述网络侧设备通过MAC CE或DCI指示第一终端的第四映射规则;
    所述网络侧设备通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第五映射规则;
    其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
    所述第二映射规则用于表示网络侧设备的数据传输与第一资源的映射关系;
    所述第三映射规则用于表示第二PSSCH和/或PSCCH与第一资源的映射关系;
    所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
    所述第五映射规则用于表示信道参数与第一资源的映射关系;
    其中,所述第一PSSCH和/或PSCCH为网络侧设备调度的PSSCH和/或PSCCH;
    所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
  23. 根据权利要求21或22所述的旁链路反馈资源的确定方法,其中,还包括以下至少之一:
    若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
    若在所述第一资源上接收到的反馈信息为NACK,所述网络侧设备在下一个或多个第一资源位置上进行反馈信息检测;
    若在所有第一资源上接收到的反馈信息均为确认信息ACK,所述网络侧设备向所述第一终端指示第一资源;
    若在所有第一资源上均未接收到ACK,所述网络侧设备丢弃当前数据包。
  24. 一种旁链路反馈资源的确定装置,包括:
    第一确定单元,用于确定第一资源,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
  25. 根据权利要求24所述的旁链路反馈资源的确定装置,其中,所述第一资源包括以下至少之一:
    候选反馈资源;
    反馈资源;
    先听后说LBT位置;
    检测资源;
    物理旁链路反馈信道PSFCH资源;
    信道状态信息CSI报告的资源;
    混合自动重传请求HARQ资源。
  26. 根据权利要求24或25所述的旁链路反馈资源的确定装置,其中,所述第一确定单元用于执行以下至少之一:
    根据第一物理旁链路共享信道PSSCH和/或物理旁链路控制信道PSCCH以及第一映射规则,确定所述第一资源,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
    根据网络侧设备的数据传输以及第二映射规则,确定所述第一资源,第二映射规则用于表示所述网络侧设备的数据传输与第一资源的映射关系;
    根据第二PSSCH和/或PSCCH以及第三映射规则,确定所述第一资源,所述第三映射规则用于表示所述第二PSSCH和/或PSCCH与第一资源的映射关系;
    根据配置信息或指示信息的位置以及第四映射规则,确定所述第一资源,所述第四映射规则用于表示所述配置信息或指示信息的位置与第一资源的映射关系;
    根据信道参数以及第五映射规则,确定所述第一资源,所述第五映射规则用于表示所述信道参数与第一资源的映射关系;
    其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;网络侧设备调度的PSSCH和/或PSCCH;
    其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
  27. 根据权利要求25所述的旁链路反馈资源的确定装置,其中,在所述第一资源为检测资源/LBT位置的情况下,所述第一确定单元,用于:
    根据所述候选反馈资源或反馈资源以及第六映射规则确定所述检测资源/LBT位置,所述第六映射规则用于指示检测资源/LBT位置与候选反馈资源/反馈资源的映射关系。
  28. 根据权利要求24所述的旁链路反馈资源的确定装置,其中,所述第一确定单元,用于:
    根据第一预设规则确定第一资源;
    其中,所述第一预设规则包括:
    根据SL资源池编号索引index对N值进行取模,在所得模值为A的情况下,确定所述SL资源池编号索引index对应的资源为第一资源;
    其中,所述SL资源池编号索引index为系统帧号SFN的编号,或者为SL资源池内的DFN的编号;
    其中,所述N和/或A的值满足以下至少之一:
    为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;
    为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;
    A为每个终端配置的值,或者与终端ID相关的值。
  29. 根据权利要求24所述的旁链路反馈资源的确定装置,其中,所述第一确定单元,用于:
    根据第二预设规则确定第一资源;
    其中,所述第二预设规则包括:
    以信道占用时间COT的起始时域资源为参考,偏移m个时域单位,确定为第一资源;
    其中,所述m的值满足以下至少之一:
    m为协议预定义或预配置或配置的参数,和/或为MAC CE/DCI/SCI指示的值;
    m mod M=B,其中,M和/或B的值满足以下之一:为协议预定义或预配置或配置的参数,和/或为MAC CE或DCI或SCI指示的值;为资源池或CR或CBR或逻辑信道或逻辑信道组或优先级或竞争窗口CW或信道接入优先级CPAC参数配置的值;B为每个终端配置的值,或者与终端ID相关的值。
  30. 根据权利要求24所述的旁链路反馈资源的确定装置,其中,所述装置还包括第一处理单元,用于:
    在所述第一资源的位置上执行信道接入流程;
    在接入成功的情况下,占用所述第一资源发送反馈信息;
    在接入失败的情况下,在下一个或多个第一资源的位置上执行信道接入流程。
  31. 根据权利要求30所述的旁链路反馈资源的确定装置,其中,所述装置还包括第二处理单元,用于执行以下至少之一:
    在所述反馈信息为NACK的情况下,所在下一个或多个第一资源的位置上执行信道接入流程;
    在反馈信息为ACK的情况下,停止在后续第一资源的位置上执行信道接入流程;
    根据第二终端或调度终端或网络侧设备的指示,确定是否在后续第一资源的位置上执行信道接入流程。
  32. 一种旁链路反馈资源的确定装置,包括:
    第三处理单元,用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
  33. 根据权利要求32所述的旁链路反馈资源的确定装置,其中,还包括第四处理单元,用于执行以下至少之一:
    通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一资源;
    通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第一映射规则;
    通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第三映射规则;
    通过MAC CE或SCI指示所述第一终端的第四映射规则;
    通过无线资源控制RRC信令、MAC CE和SCI中的至少之一指示第一终端的第五映射规则;
    其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
    所述第三映射规则用于表示第一终端的第二PSSCH和/或PSCCH与第一资源的映射关系;
    所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
    所述第五映射规则用于表示信道参数与第一资源的映射关系;
    其中,所述第一PSSCH和/或PSCCH为以下至少之一:第二终端发送的PSSCH和/或PSCCH;调度终端调度的PSSCH和/或PSCCH;承载调度终端的调度信息的PSSCH和/或PSCCH;
    其中,所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
  34. 根据权利要求32或33所述的旁链路反馈资源的确定装置,其中, 还包括第五处理单元,用于执行以下至少之一:
    若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
    若在所述第一资源上接收到的反馈信息为NACK,在下一个或多个第一资源位置上进行反馈信息检测;
    若在所有第一资源上接收到的反馈信息均为确认信息ACK,向所述第一终端指示第一资源;
    若在所有第一资源上均未接收到ACK,丢弃当前数据包。
  35. 一种旁链路反馈资源的确定装置,包括:
    第六处理单元,用于在第一资源上进行反馈信息检测,其中,所述第一资源为第一终端执行信道接入流程的一个或多个资源。
  36. 根据权利要求25所述的旁链路反馈资源的确定装置,其中,还包括第七处理单元,用于执行以下至少之一:
    通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一资源;
    通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第一映射规则;
    通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第二映射规则;
    通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第三映射规则;
    通过MAC CE或DCI指示第一终端的第四映射规则;
    通过无线资源控制RRC信令、MAC CE和DCI中的至少之一指示第一终端的第五映射规则;
    其中,所述第一映射规则用于表示第一PSSCH和/或PSCCH与第一资源的映射关系;
    所述第二映射规则用于表示网络侧设备的数据传输与第一资源的映射关系;
    所述第三映射规则用于表示第二PSSCH和/或PSCCH与第一资源的映射关系;
    所述第四映射规则用于表示配置信息或指示信息的位置与第一资源的映射关系;
    所述第五映射规则用于表示信道参数与第一资源的映射关系;
    其中,所述第一PSSCH和/或PSCCH为网络侧设备调度的PSSCH和/或PSCCH;
    所述第二PSSCH和/或PSCCH用于承载所述第一终端待发送的数据。
  37. 根据权利要求35或36所述的旁链路反馈资源的确定装置,其中,还包括第八处理单元,用于执行以下至少之一:
    若在所述第一资源上未接收到反馈信息,确定所述反馈信息为否定确认信息NACK/非连续传输DTX;
    若在所述第一资源上接收到的反馈信息为NACK,在下一个或多个第一资源位置上进行反馈信息检测;
    若在所有第一资源上接收到的反馈信息均为确定信息ACK,向所述第一终端指示第一资源;
    若在所有第一资源上均未接收到ACK,丢弃当前数据包。
  38. 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或指令,所述程序或指令被所述处理器执行时实现如权利要求1至17任一项所述的旁链路反馈资源的确定方法的步骤,或者,实现如权利要求18至20任一项所述的旁链路反馈资源的确定方法的步骤。
  39. 一种网络侧设备,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或指令,所述程序或指令被所述处理器执行时实现如权利要求21至23任一项所述的旁链路反馈资源的确定方法的步 骤。
  40. 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至17任一项所述的旁链路反馈资源的确定方法的步骤,或者,实现如权利要求18至20任一项所述的旁链路反馈资源的确定方法的步骤,或者,实现如权利要求21至23任一项所述的旁链路反馈资源的确定方法的步骤。
  41. 一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1至17任一项所述的旁链路反馈资源的确定方法的步骤,或者,实现如权利要求18至20任一项所述的旁链路反馈资源的确定方法的步骤,或者,实现如权利要求21至23任一项所述的旁链路反馈资源的确定方法的步骤。
  42. 一种计算机程序/程序产品,所述计算机程序/程序产品被存储在存储介质中,所述程序/程序产品被至少一个处理器执行以实现如权利要求1至17任一项所述的旁链路反馈资源的确定方法的步骤,或者,实现如权利要求18至20任一项所述的旁链路反馈资源的确定方法的步骤,或者,实现如权利要求21至23任一项所述的旁链路反馈资源的确定方法的步骤。
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