WO2022218368A1 - 旁链路反馈资源的确定方法、装置、终端及存储介质 - Google Patents

旁链路反馈资源的确定方法、装置、终端及存储介质 Download PDF

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Publication number
WO2022218368A1
WO2022218368A1 PCT/CN2022/086762 CN2022086762W WO2022218368A1 WO 2022218368 A1 WO2022218368 A1 WO 2022218368A1 CN 2022086762 W CN2022086762 W CN 2022086762W WO 2022218368 A1 WO2022218368 A1 WO 2022218368A1
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Prior art keywords
feedback
resource
frequency domain
resources
domain resource
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PCT/CN2022/086762
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English (en)
French (fr)
Inventor
彭淑燕
纪子超
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维沃移动通信有限公司
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Priority to JP2023563327A priority Critical patent/JP2024514904A/ja
Priority to EP22787590.3A priority patent/EP4325761A1/en
Publication of WO2022218368A1 publication Critical patent/WO2022218368A1/zh
Priority to US18/379,882 priority patent/US20240040595A1/en

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    • 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
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1861Physical mapping arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092Error control systems characterised by the topology of the transmission link
    • 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

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a method, apparatus, terminal and storage medium for determining a sidelink feedback resource.
  • the transmission node can use the load based equipment (Load based equipment, LBE) method in the unlicensed frequency band.
  • LBE load based equipment
  • the introduction of the Physical Sidelink Feedback Channel 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/PSCCH and predefined rules may not be used for PSFCH transmission due to resources preempted by other systems.
  • the receiving end can be enabled to feed back CSI information, and the transmitting end adjusts transmission parameters according to the CSI information.
  • the resources for feeding back CSI information also need to compete for resources with other systems coexisting in the frequency band, and preemptively obtain them.
  • the flexibility of SL feedback resources is limited and may not be used for feedback information transmission, resulting in low terminal channel access efficiency and unable to meet the bandwidth requirement of the channel on the unlicensed frequency band.
  • Embodiments of the present application provide a method, device, terminal, and storage medium for determining sidelink feedback resources, which can solve the problem of low channel access efficiency of SL terminals in unlicensed frequency bands.
  • a method for determining a sidelink feedback resource comprising:
  • the first terminal determines sidelink SL feedback resources, where the SL feedback resources are used for the first terminal to send feedback information.
  • a method for determining a sidelink feedback resource comprising:
  • the feedback information receiving end device detects or receives feedback information on a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • an apparatus for determining a sidelink feedback resource including:
  • a first determining unit configured to determine a sidelink SL feedback resource, where the SL feedback resource is used by the first terminal to send feedback information.
  • an apparatus for determining a sidelink feedback resource including:
  • a first processing unit configured to detect or receive feedback information on a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • a terminal in a fifth 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.
  • a terminal including a processor and a communication interface, wherein the processor is configured to determine a sidelink SL feedback resource, and the SL feedback resource is used for the first terminal to send feedback information; or, the The processor is configured to detect or receive feedback information on a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • a network side device in a seventh 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 for determining a sidelink feedback resource according to the second aspect when executed.
  • a network-side device including a processor and a communication interface, wherein the processor is configured to detect or receive feedback information on a sidelink SL feedback resource, wherein the SL feedback resource is used for the first A terminal sends feedback information.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the determination of the sidelink feedback resource according to the first aspect is realized.
  • a chip in a tenth aspect, 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 side-by-side as described in the first aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, the program/program product is executed by at least one processor to implement the first The steps of the method for determining a sidelink feedback resource described in the aspect, or implementing the steps of the method for determining a sidelink feedback resource described in the second aspect.
  • the SL feedback resource is used for the first terminal to send feedback information
  • the feedback resource is determined by the terminal, the flexibility of resource scheduling is improved, and the channel connection of the terminal can be improved. In this way, feedback information is sent on the unlicensed frequency band to improve system efficiency.
  • 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 a schematic diagram of a PSFCH provided by an embodiment of the present application as a centralized resource
  • FIG. 4 is a schematic diagram of a PSFCH provided by an embodiment of the present application as a distributed resource
  • FIG. 5 is one of the schematic diagrams of using the same frequency domain resources for the PSFCH and PSSCH provided by the embodiment of the present application;
  • FIG. 6 is the second schematic diagram of using the same frequency domain resources for the PSFCH and PSSCH provided by the embodiment of the present application;
  • FIG. 7 is a schematic diagram of a part/all of PSSCH/PSCCH resources provided in an embodiment of the present application that the available resources of the PSFCH are PSSCH/PSCCH resources;
  • FIG. 8 is one of schematic diagrams of frequency domain resource intervals of SL feedback resources provided by an embodiment of the present application.
  • FIG. 9 is the second schematic diagram of the frequency domain resource interval of the SL feedback resource provided by the embodiment of the present application.
  • FIG. 10 is a schematic diagram of a PSFCH structure based on RE definition provided by an embodiment of the present application.
  • FIG. 11 is a second schematic flowchart of a method for determining a sidelink feedback resource provided by 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 schematic structural diagram of a communication device provided by an embodiment of the present application.
  • 15 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of a network side device implementing 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), PDA, 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.
  • 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. As shown in FIG. 2 , the method includes the following steps:
  • Step 200 The first terminal determines a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • the first terminal is a receiving end device of PSSCH or PSCCH, and a transmitting end device of feedback information.
  • the first terminal determines sidelink SL feedback resources, where the SL feedback resources are used by the first terminal to send feedback information.
  • the sidelink SL feedback resource is determined by at least one of protocol pre-definition, pre-configuration, configuration and indication.
  • the pre-configuration refers to the pre-configuration of the network-side equipment through RRC signaling, or the terminal is pre-configured through RRC signaling;
  • the configuration refers to the network-side equipment to configure through RRC signaling, or the terminal to configure through RRC signaling;
  • the indication refers to at least one of MAC CE, DCI and SCI indication, wherein the network side device is indicated by MAC CE and/or DCI, and the terminal is indicated by MAC CE and/or SCI.
  • the SL feedback resource includes at least one of the following:
  • Channel State Information Channel State Information
  • Hybrid Automatic Repeat request (HARQ) resource HARQ
  • the SL feedback resource is used for the first terminal to send feedback information
  • the feedback resource is determined by the terminal, the flexibility of resource scheduling is improved, and the channel connection of the terminal can be improved. In this way, feedback information is sent on the unlicensed frequency band to improve system efficiency.
  • the sidelink SL feedback resource satisfies at least one of the following:
  • the SL feedback resources are distributed resources
  • the SL feedback resource is a centralized resource
  • the SL feedback resource is determined according to resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH.
  • the SL feedback resources are distributed resources can be understood as the SL feedback resources are transmitted based on a distributed structure, or are non-continuously allocated resources in the frequency domain.
  • the centralized resources can be understood as resources continuously allocated in the frequency domain.
  • the determining of the sidelink SL feedback resources includes at least one of the following:
  • At least one item of frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource is determined.
  • the bandwidth occupied by the SL feedback resource includes at least one of the following:
  • the frequency domain aggregation range of one or more resource block RB sets is not limited.
  • the bandwidth of the PSCCH or the bandwidth of the PSSCH refers to the bandwidth of the PSCCH or the PSSCH corresponding to the feedback information, and refers to the available frequency domain range within the resource with the smallest number and the resource with the largest number.
  • the bandwidth occupied by the SL feedback resources is a PSCCH frequency domain subset or a PSSCH frequency domain subset.
  • a resource block (Resource Block, RB) set refers to a listen before talk (Listen before talk, LBT) bandwidth.
  • Multiple RB sets refer to multiple LBT bandwidths, which can be wideband operation.
  • RB set is the minimum detection granularity defined in the unlicensed frequency band.
  • the granularity of frequency domain resources occupied by the SL feedback resources includes at least one of the following:
  • a Physical Resource Block (PRB);
  • M physical resource blocks PRBs, where M is a protocol predefined or preconfigured or configured parameter
  • a resource element (Resource Element, RE) or multiple REs.
  • a physical resource block (Physical Resource Block, PRB) can be understood as an interlace structure.
  • each interlace occupies one PRB; under the predefined 30kHz, there are 5 interlaces, and each interlace occupies one PRB.
  • a total of 2 PRBs are used for transmission, at the position of the starting RB and the ending RB of the bandwidth.
  • the RBG satisfies at least one of the following:
  • the size of the RBG is a parameter predefined or preconfigured or configured by the protocol
  • the number of RBGs is a pre-defined or pre-configured or configured parameter of the protocol
  • the number of RBGs is obtained according to the number of BWPs or RB sets;
  • the number of RBGs is obtained according to the carrier bandwidth of the BWP or RB set.
  • the one resource element RE or multiple REs satisfy at least one of the following:
  • the density of REs is related to the subcarrier space (SCS);
  • the interval between REs is related to SCS
  • the number of REs in one or more resource blocks is one or more, and the number of RE(s) in the one or more resource blocks is a value predefined or preconfigured or configured by a protocol.
  • the frequency domain resource interval of the SL feedback resource satisfies at least one of the following:
  • the unit of frequency domain resource interval is PRB or M PRBs or the size of subchannel or RBG or one RE or multiple REs.
  • the frequency domain resource position or frequency domain resource size or interlace index or interlace number of the SL feedback resource satisfies at least one of the following:
  • At least one of the frequency domain resource location, frequency domain resource size, interlace index and interlace number of the SL feedback resource including:
  • At least one of the frequency domain resource location, frequency domain resource size, interlace index and interlace number of the SL feedback resource is a value that is predefined or determined or preconfigured or configured through a preset rule, and/or is a medium A parameter indicated by at least one of the access control control unit MAC CE, downlink control information DCI and side link control information SCI;
  • At least one of the frequency-domain resource position, frequency-domain resource size, interlace index and interlace number of the SL feedback resource is a parameter randomly selected within a preconfigured range.
  • the gNB configures multiple available interlace indexes to the RX UE through RRC, and optionally, further instructs the RX UE to use the interlace index to transmit the PSFCH through DCI.
  • the time slot number/number of time slots satisfies:
  • S_num is the time slot number/slot number
  • A is a pre-configured value or a value obtained according to the UE ID
  • I_num is a value predefined or preconfigured or configured by the protocol, or I_num is related to the number of interlaces.
  • I_num interlace number
  • the interlace number is an integer multiple of I_num
  • I_num is an integer multiple of the interlace number.
  • PSFCHs corresponding to multiple interlaces may be sent in one candidate time slot.
  • the UE ID is at least one of the following:
  • the ID of the device at the receiving end of the feedback information is the ID of the device at the receiving end of the feedback information
  • the determining of the sidelink SL feedback resource includes at least one of the following:
  • the frequency domain resource position includes the frequency domain resource start position and/or the frequency domain resource end position.
  • the determining the frequency domain resource position and/or the frequency domain resource size of the SL feedback resource includes:
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resources are parameters that are predefined or determined or preconfigured or configured through preset rules, and/or at least one of MAC CE, DCI, and SCI indicates parameter;
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource are parameters that are randomly selected within a preconfigured range.
  • the frequency domain resource location of the SL feedback resource is a parameter randomly selected within a preconfigured range, including at least one of the following:
  • the starting position of the frequency domain resource is randomly selected within the preconfigured range
  • the length occupied by the frequency domain resources is randomly selected within the pre-configured range
  • the end position of the frequency domain resource is randomly selected within a preconfigured range.
  • the time slot number/number of time slots satisfies:
  • S_num is the time slot number/slot number
  • A is a pre-configured value or a value obtained according to the UE ID
  • I_num is a value predefined or preconfigured or configured by the protocol, or I_num is related to the number of interlaces.
  • the UE ID is at least one of the following:
  • the ID of the device at the receiving end of the feedback information is the ID of the device at the receiving end of the feedback information
  • the SL feedback resource is determined according to resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH, including at least one of the following:
  • the resource allocation method of the SL feedback resource is the same as that of the PSCCH and/or PSSCH;
  • the resource structure of the SL feedback resource is the same as that of PSCCH and/or PSSCH;
  • the SL feedback resources are centralized resources or distributed resources, wherein the SL feedback resources are centralized resources or distributed resources through pre-configuration or configuration or indicate OK.
  • the SL feedback resource adopts distributed resource allocation.
  • the resources used by the PSCCH/PSSCH are distributed resources, the SL feedback resources use distributed resources.
  • the SL feedback resource adopts the centralized resource allocation.
  • the resources used by the PSCCH/PSSCH are centralized resources, the SL feedback resources use the centralized resources.
  • the SL feedback resource has the same frequency domain range as the PSSCH/PSCCH.
  • the SL feedback resource is the same as the frequency domain range of the PSSCH/PSCCH.
  • the SL feedback resource is within the frequency domain range of PSSCH/PSCCH.
  • the SL feedback resources may be centralized resources or distributed resources.
  • whether the SL feedback resource is a centralized resource or a distributed resource is determined by pre-configuration or configuration or indication.
  • the indication may be MAC CE indication, and/or DCI indication, and/or SCI indication.
  • the SL feedback resource is used for the first terminal to send feedback information, and the feedback resource is determined by the terminal, which may be a distributed resource, a centralized resource, or
  • the allocation of feedback resources is determined according to the resource allocation mode of PSCCH and/or PSSCH, which can improve the probability of terminal channel access, thereby sending feedback information on unlicensed frequency bands and improving system efficiency.
  • the sequence of the feedback information satisfies at least one of the following:
  • the feedback information is transmitted in a sequence with a sequence length of N;
  • the feedback information receiving end device detects the feedback information according to a predefined or preconfigured sequence length
  • N satisfies one of the following:
  • the resources of feedback information are embodied by the sequence of feedback information.
  • the feedback information is transmitted by using a sequence with a sequence length of N, where the value of N is related to the configuration of the SCS, for example, 15 kHz corresponds to N1, and 30 kHz corresponds to N2.
  • the PSFCH information defined by N1 or N2 can cover part (10 PRBs/5 PRBs) frequency domain resources, which can expand the capacity of PSFCH information.
  • the feedback information is transmitted using a sequence with a sequence length of N, and the length of N is related to available resources.
  • the feedback information receiving end device detects the feedback information according to a predefined or preconfigured sequence length. For example, if the length of the feedback information sequence is 11*m, the predefined detection sequence length is 10*m, and the feedback information receiving end detects the sequence based on 10*m. In this method, the sequence generation of the sender and the sequence of the sequence detection of the receiver are respectively defined.
  • the SL feedback resources are used for the first terminal to send feedback information, and the SL feedback resources are determined by the sequence of feedback information, which can improve terminal channel access. , so that feedback information is sent on the unlicensed frequency band to improve system efficiency.
  • the resource mapping of the feedback information satisfies at least one of the following:
  • the feedback information sequence is mapped from the lowest PRB of the frequency domain resource
  • the feedback information sequence is mapped from the highest PRB of the frequency domain resource
  • the feedback information sequence is the repetition of the feedback information sequence on each PRB;
  • the feedback information sequence is mapped from the lowest PRB of the frequency domain resource.
  • the feedback information sequence is the repetition of the feedback information sequence on each PRB.
  • the resource mapping of the feedback information is related to the interleaving index. For example: at 15kHz, interlace 0-5 corresponds to 11 PRBs, and interlace 6-9 corresponds to 10 PRBs. For interlace 0-5, the predefined PSFCH length N1 is mapped, and the last PRB is the repeated mapping of the 10th PRB.
  • the probability of terminal channel access can be improved, so that feedback information is sent on the unlicensed frequency band, and the system efficiency is improved.
  • the following uses some examples to further illustrate the method for determining the sidelink feedback resource provided by the embodiments of the present application.
  • FIG. 3 is a schematic diagram of a PSFCH being a centralized resource provided by an embodiment of the present application.
  • the PSFCH is a continuous resource allocation, and Figure 3 is 20MHz.
  • the PSFCH starts from the 4th PRBs and occupies 45 PRRs.
  • FIG. 4 is a schematic diagram of a PSFCH as a distributed resource provided by an embodiment of the present application. As shown in Figure 4, PSFCH is interlaced based resource allocation, Figure 4 is 20MHz, at 30kHz, PSFCH uses interlace 0 to transmit information.
  • FIG. 5 is one of the schematic diagrams of using the same frequency domain resources for the PSFCH and the PSSCH according to an embodiment of the present application. As shown in FIG. 5 , if the PSSCH/PSCCH is a continuous resource allocation, the frequency domain range of the PSFCH and the PSSCH/PSCCH is the same.
  • FIG. 6 is the second schematic diagram of using the same frequency domain resources for the PSFCH and the PSSCH provided by the embodiment of the present application. As shown in Figure 6, if PSSCH/PSCCH is an interlaced based resource allocation, PSFCH and PSSCH/PSCCH have the same frequency domain range.
  • FIG. 7 is a schematic diagram of a part/all of PSSCH/PSCCH resources provided in an embodiment of the present application that the available resources of the PSFCH are PSSCH/PSCCH resources. If the PSSCH is allocated based on interlaced resources, the available frequency domain resources for the PSFCH are within the range of the PSSCH frequency domain resources. As shown in Figure 7, PSSCH/PSCCH occupies interlace 0 and interlace 1, and PSFCH occupies interlace 0 for transmission.
  • FIG. 8 is one of schematic diagrams of frequency domain resource intervals of SL feedback resources provided by an embodiment of the present application.
  • the frequency domain resource interval is the GAP between two adjacent frequency domain resource granularities
  • the frequency domain resource interval is defined as 3 PRBs and the scheduling granularity is 2 PRBs
  • the resource occupation of the PSFCH in the frequency domain is shown in Figure 8 Show.
  • the frequency domain resource interval is the interval between two adjacent frequency domain resource granularities
  • the frequency domain resource interval is defined as 5 PRBs and the scheduling granularity is 2 PRBs
  • the resource occupation of the PSFCH in the frequency domain is shown in Figure 8 Show.
  • FIG. 9 is the second schematic diagram of the frequency domain resource interval of the SL feedback resource provided by the embodiment of the present application.
  • the frequency domain resource interval is the GAP between two adjacent frequency domain resource granularities
  • the frequency domain resource interval is defined as 49 PRBs and 2 PRBs are scheduled
  • the resource occupation of the PSFCH in the frequency domain is shown in Figure 9.
  • the frequency domain resource interval is the interval between two adjacent frequency domain resource granularities, when the frequency domain resource interval is defined as 50 PRBs and 2 PRBs are scheduled, the resource occupation of the PSFCH in the frequency domain is shown in FIG. 9 .
  • FIG. 10 is a schematic diagram of a PSFCH structure based on RE definition provided by an embodiment of the present application.
  • the PSFCH adopts the structure of RE based interlace, wherein the PSFCH occupies one or more RE(s) in one PRB, and the REs can be contiguous or non-contiguous resource allocation. If one RE is occupied in one PRB, the resources of one kind of PSFCH are shown in FIG. 10 .
  • FIG. 11 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. 11 , the method for determining a sidelink feedback resource includes:
  • Step 1100 The feedback information receiving end device detects or receives feedback information on a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • the feedback information receiving end device may be a second terminal, a scheduling terminal or a 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 feedback information receiving end device determines the sidelink SL feedback resource through at least one of protocol pre-definition, pre-configuration, configuration and indication.
  • the pre-configuration refers to the pre-configuration of the network-side equipment through RRC signaling, or the terminal is pre-configured through RRC signaling;
  • the configuration refers to the network-side equipment to configure through RRC signaling, or the terminal to configure through RRC signaling;
  • the indication refers to at least one of MAC CE, DCI and SCI indication, wherein the network side device is indicated by MAC CE and/or DCI, and the terminal is indicated by MAC CE and/or SCI.
  • the feedback information receiving end device detects or receives feedback information on the sidelink SL feedback resource, the flexibility of resource scheduling is improved, the probability of terminal channel access can be improved, and feedback is sent on the unlicensed frequency band information to improve system efficiency.
  • the sidelink SL feedback resource satisfies at least one of the following:
  • the SL feedback resources are distributed resources
  • the SL feedback resource is a centralized resource
  • the SL feedback resource is determined according to resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH.
  • the sidelink SL feedback resources include at least one of the following:
  • the frequency domain resource position at least one of the frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource.
  • the sidelink SL feedback resources include at least one of the following:
  • the frequency domain resource position and/or the frequency domain resource size of the SL feedback resource are referred to.
  • the bandwidth occupied by the SL feedback resource includes at least one of the following:
  • the frequency domain aggregation range of one or more resource block RB sets is not limited.
  • the granularity of frequency domain resources occupied by the SL feedback resources includes at least one of the following:
  • a physical resource block PRB PRB
  • M physical resource blocks PRBs, where M is a protocol predefined or preconfigured or configured parameter
  • the frequency domain resource interval of the SL feedback resource satisfies at least one of the following:
  • the unit of frequency domain resource interval is PRB or M PRBs or the size of subchannel or RBG or one RE or multiple REs.
  • At least one of the frequency-domain resource location, frequency-domain resource size, interlace index and interlace number of the SL feedback resource satisfies at least one of the following:
  • At least one of the frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource is a value that is predefined or determined or preconfigured or configured through a preset rule, and/or is a medium A parameter indicated by at least one of the access control control unit MAC CE, downlink control information DCI and side link control information SCI;
  • At least one of the frequency-domain resource position, frequency-domain resource size, interlace index and interlace number of the SL feedback resource is a parameter randomly selected within a preconfigured range.
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource satisfies at least one of the following:
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resources are parameters that are predefined or determined or preconfigured or configured through preset rules, and/or at least one of MAC CE, DCI, and SCI indicates parameter;
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource are parameters that are randomly selected within a preconfigured range.
  • the RBG satisfies at least one of the following:
  • the size of an RBG is a parameter predefined or preconfigured or configured or indicated by the protocol
  • the number of RBGs is a pre-defined or pre-configured or configured parameter of the protocol
  • the number of RBGs is obtained according to the number of BWPs or RB sets;
  • the number of RBGs is obtained according to the carrier bandwidth of the BWP or RB set.
  • the one resource element RE or multiple REs satisfy at least one of the following:
  • the density of REs is related to the subcarrier spacing SCS;
  • the interval between REs is related to SCS
  • the number of REs in one or more resource blocks is one or more, and the number of REs in the one or more resource blocks is a value predefined or preconfigured or configured by a protocol.
  • the time slot number/number of time slots satisfies:
  • S_num is the time slot number/slot number
  • A is a pre-configured value or a value obtained according to the UE ID
  • I_num is a value predefined or preconfigured or configured by the protocol, or I_num is related to the number of interlaces.
  • the UE ID is at least one of the following:
  • the ID of the device at the receiving end of the feedback information is the ID of the device at the receiving end of the feedback information
  • the SL feedback resource is determined according to the resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH, and satisfies at least one of the following:
  • the resource allocation method of the SL feedback resource is the same as that of the PSCCH and/or PSSCH;
  • the resource structure of the SL feedback resource is the same as that of PSCCH and/or PSSCH;
  • the SL feedback resources are centralized resources or distributed resources, wherein the SL feedback resources are centralized resources or distributed resources through predefined or pre-defined Configure or configure or indicate OK.
  • the feedback information receiving end device detects or receives feedback information on a sidelink SL feedback resource, where the SL feedback resource is used by the first terminal to send feedback information, and the SL feedback resource may be a distributed resource , or centralized resources, or determined according to resource allocation or resource structure of PSCCH and/or PSSCH, the probability of terminal channel access can be improved, so that feedback information can be sent on unlicensed frequency bands to improve system efficiency.
  • the sequence of the feedback information satisfies at least one of the following:
  • the feedback information is transmitted in a sequence with a sequence length of N;
  • the feedback information receiving end device detects the feedback information according to a predefined or preconfigured sequence length
  • N satisfies one of the following:
  • the resource mapping of the feedback information satisfies at least one of the following:
  • the feedback information sequence is mapped from the lowest PRB of the frequency domain resource
  • the feedback information sequence is mapped from the highest PRB of the frequency domain resource
  • the feedback information sequence is the repetition of the feedback information sequence on each PRB;
  • the structure of the SL feedback resource in the embodiment of the present application is the same for the feedback information receiving end and the first terminal. Therefore, reference may be made to the relevant descriptions in the foregoing embodiments, which are not repeated here.
  • 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 method for determining the sidelink feedback resource performed by the device for determining the link feedback resource is taken as an example to describe the device for determining the sidelink feedback resource provided by the embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of an apparatus for determining a sidelink feedback resource according to an embodiment of the present application. As shown in Figure 12, the device includes:
  • the first determining unit 1210 is configured to determine a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • the SL feedback resource is used for the first terminal to send feedback information
  • the feedback resource is determined by the terminal, the flexibility of resource scheduling is improved, and the channel connection of the terminal can be improved. In this way, feedback information is sent on the unlicensed frequency band to improve system efficiency.
  • the sidelink SL feedback resource satisfies at least one of the following:
  • the SL feedback resources are distributed resources
  • the SL feedback resource is a centralized resource
  • the SL feedback resource is determined according to resource allocation of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH.
  • the first determining unit is configured to perform at least one of the following:
  • At least one item of frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource is determined.
  • the first determining unit is configured to perform at least one of the following:
  • the bandwidth occupied by the SL feedback resource includes at least one of the following:
  • the frequency domain aggregation range of one or more resource block RB sets is not limited.
  • the granularity of frequency domain resources occupied by the SL feedback resources includes at least one of the following:
  • a physical resource block PRB PRB
  • M physical resource blocks PRBs, where M is a protocol predefined or preconfigured or configured parameter
  • the frequency domain resource interval of the SL feedback resource satisfies at least one of the following:
  • the unit of frequency domain resource interval is PRB or M PRBs or the size of subchannel or RBG or one RE or multiple REs.
  • At least one of the frequency-domain resource location, frequency-domain resource size, interlace index, and number of interlaces of the SL feedback resource satisfies at least one of the following:
  • At least one of the frequency domain resource location, frequency domain resource size, interlace index and interlace number of the SL feedback resource is a value that is predefined or determined or preconfigured or configured through a preset rule, and/or is a medium The value indicated by the access control control unit MAC CE or the downlink control information DCI or the side link control information SCI;
  • At least one of the frequency-domain resource position, frequency-domain resource size, interlace index and interlace number of the SL feedback resource is a parameter randomly selected within a preconfigured range.
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource satisfies at least one of the following:
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resources are predefined or determined or preconfigured or configured through preset rules, and/or, at least one of MAC CE, DCI and SCI indicates parameter;
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource are parameters that are randomly selected within a preconfigured range.
  • the RBG satisfies at least one of the following:
  • the size of an RBG is a parameter predefined or preconfigured or configured by the protocol
  • the number of RBGs is a pre-defined or pre-configured or configured parameter of the protocol
  • the number of RBGs is obtained according to the number of BWPs or RB sets;
  • the number of RBGs is obtained according to the carrier bandwidth of the BWP or RB set.
  • the one resource element RE or multiple REs satisfy at least one of the following:
  • the density of REs is related to the subcarrier spacing SCS;
  • the interval between REs is related to SCS
  • the number of REs in one or more resource blocks is one or more, and the number of REs in the one or more resource blocks is a value predefined or preconfigured or configured by a protocol.
  • the time slot number/number of time slots satisfies:
  • S_num is the time slot number/slot number
  • A is a preconfigured value or a value obtained according to the UE ID
  • I_num is a value predefined or preconfigured or configured by the protocol, or I_num is related to the number of interlaces.
  • the UE ID is at least one of the following:
  • the ID of the device at the receiving end of the feedback information is the ID of the device at the receiving end of the feedback information
  • the SL feedback resource is determined according to resource allocation of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH, and satisfies at least one of the following:
  • the resource allocation method of the SL feedback resource is the same as that of the PSCCH and/or PSSCH;
  • the SL feedback resources are centralized resources or distributed resources, wherein the SL feedback resources are centralized resources or distributed resources through pre-configuration or configuration or indicate OK.
  • the sequence of the feedback information satisfies at least one of the following:
  • the feedback information is transmitted in a sequence with a sequence length of N;
  • the feedback information receiving end device detects the feedback information according to a predefined or preconfigured sequence length
  • N satisfies one of the following:
  • the resource mapping of the feedback information satisfies at least one of the following:
  • the feedback information sequence is mapped from the lowest PRB of the frequency domain resource
  • the feedback information sequence is mapped from the highest PRB of the frequency domain resource
  • the feedback information sequence is the repetition of the feedback information sequence on each PRB;
  • the SL feedback resource is used for the first terminal to send feedback information, and the feedback resource is determined by the terminal, which may be a distributed resource, a centralized resource, or
  • the allocation of feedback resources is determined according to the resource allocation mode of PSCCH and/or PSSCH, which can improve the probability of terminal channel access, thereby sending feedback information on unlicensed frequency bands and improving system efficiency.
  • 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, or may 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. 10 , 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 a sidelink feedback resource provided by an embodiment of the present application. As shown in Figure 13, the device includes:
  • the first processing unit 1310 is configured to detect or receive feedback information on a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • the sidelink SL feedback resource satisfies at least one of the following:
  • the SL feedback resources are distributed resources
  • the SL feedback resource is a centralized resource
  • the SL feedback resource is determined according to resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH.
  • the sidelink SL feedback resources include at least one of the following:
  • the frequency domain resource position at least one of the frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource.
  • the sidelink SL feedback resources include at least one of the following:
  • the frequency domain resource position and/or the frequency domain resource size of the SL feedback resource are referred to.
  • the bandwidth occupied by the SL feedback resource includes at least one of the following:
  • the frequency domain aggregation range of one or more resource block RB sets is not limited.
  • the granularity of frequency domain resources occupied by the SL feedback resources includes at least one of the following:
  • a physical resource block PRB PRB
  • M physical resource blocks PRBs, where M is a protocol predefined or preconfigured or configured parameter
  • the frequency domain resource interval of the SL feedback resource satisfies at least one of the following:
  • the unit of frequency domain resource interval is PRB or M PRBs or the size of subchannel or RBG or one RE or multiple REs.
  • At least one of the frequency-domain resource location, frequency-domain resource size, interlace index, and number of interlaces of the SL feedback resource satisfies at least one of the following:
  • At least one of the frequency domain resource location, frequency domain resource size, interlace index and interlace number of the SL feedback resource is a value that is predefined or determined or preconfigured or configured through a preset rule, and/or is a medium A parameter indicated by at least one of the access control control unit MAC CE, downlink control information DCI and side link control information SCI;
  • At least one of the frequency-domain resource position, frequency-domain resource size, interlace index and interlace number of the SL feedback resource is a parameter randomly selected within a preconfigured range.
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource satisfies at least one of the following:
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resources are parameters that are predefined or determined or preconfigured or configured through preset rules, and/or at least one of MAC CE, DCI, and SCI indicates parameter;
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource are parameters that are randomly selected within a preconfigured range.
  • the RBG satisfies at least one of the following:
  • the size of an RBG is a parameter predefined or preconfigured or configured or indicated by the protocol
  • the number of RBGs is a pre-defined or pre-configured or configured parameter of the protocol
  • the number of RBGs is obtained according to the number of BWPs or RB sets;
  • the number of RBGs is obtained according to the carrier bandwidth of the BWP or RB set.
  • the one resource element RE or multiple REs satisfy at least one of the following:
  • the density of REs is related to the subcarrier spacing SCS;
  • the interval between REs is related to SCS
  • the number of REs in one or more resource blocks is one or more, and the number of REs in the one or more resource blocks is a value predefined or preconfigured or configured by a protocol.
  • the time slot number/number of time slots satisfies:
  • S_num is the time slot number/slot number
  • A is a pre-configured value or a value obtained according to the UE ID
  • I_num is a value predefined or preconfigured or configured by the protocol, or I_num is related to the number of interlaces.
  • the UE ID is at least one of the following:
  • the ID of the device at the receiving end of the feedback information is the ID of the device at the receiving end of the feedback information
  • the SL feedback resource is determined according to the resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH, and satisfies at least one of the following:
  • the resource allocation method of the SL feedback resource is the same as that of the PSCCH and/or PSSCH;
  • the resource structure of the SL feedback resource is the same as that of PSCCH and/or PSSCH;
  • the SL feedback resources are centralized resources or distributed resources, wherein the SL feedback resources are centralized resources or distributed resources through predefined or pre-defined Configure or configure or indicate OK.
  • the sequence of the feedback information satisfies at least one of the following:
  • the feedback information is transmitted in a sequence with a sequence length of N;
  • the feedback information receiving end device detects the feedback information according to a predefined or preconfigured sequence length
  • N satisfies one of the following:
  • the resource mapping of the feedback information satisfies at least one of the following:
  • the feedback information sequence is mapped from the lowest PRB of the frequency domain resource
  • the feedback information sequence is mapped from the highest PRB of the frequency domain resource
  • the feedback information sequence is the repetition of the feedback information sequence on each PRB;
  • feedback information is detected or received on the sidelink SL feedback resource, and the SL feedback resource is used for the first terminal to send feedback information, the flexibility of resource scheduling is improved, and the channel access of the terminal can be improved. probability and improve system efficiency.
  • an embodiment of the present application further provides a communication device 1400, including a processor 1401, a memory 1402, a program or instruction stored in the memory 1402 and executable on the processor 1401,
  • a communication device 1400 including a processor 1401, a memory 1402, a program or instruction stored in the memory 1402 and executable on the processor 1401,
  • the communication device 1400 is a terminal
  • the program or instruction is executed by the processor 1401
  • each process of the above-mentioned embodiments of the method for determining sidelink feedback resources can be implemented, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.
  • 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 sidelink SL feedback resource, where the SL feedback resource is used by the first terminal to send feedback information.
  • 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. 15 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1500 includes but is not limited to: a radio frequency unit 1501, a network module 1502, an audio output unit 1503, an input unit 1504, a sensor 1505, a display unit 1506, a user input unit 1507, an interface unit 1508, a memory 1509, and a processor 1510, etc. at least part of the components.
  • the terminal 1500 may further include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1510 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 supply such as a battery
  • the terminal structure shown in FIG. 15 does not constitute a limitation on the terminal, and the terminal may include more or less components than the one shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1504 may include a graphics processor (Graphics Processing Unit, GPU) 15041 and a microphone 15042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1506 may include a display panel 15061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1507 includes a touch panel 15071 and other input devices 15072 .
  • the touch panel 15071 is also called a touch screen.
  • the touch panel 15071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 15072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1501 receives the downlink data from the network side device, and then processes it to the processor 1510; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1501 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 1509 may be used to store software programs or instructions as well as various data.
  • the memory 1509 may mainly include a stored 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 1509 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 1510 may include one or more processing units; optionally, the processor 1510 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 1510.
  • the processor 1510 is configured to determine a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • the SL feedback resource is used for the first terminal to send feedback information
  • the feedback resource is determined by the terminal, the flexibility of resource scheduling is improved, and the channel connection of the terminal can be improved. In this way, feedback information is sent on the unlicensed frequency band to improve system efficiency.
  • the sidelink SL feedback resource satisfies at least one of the following:
  • the SL feedback resources are distributed resources
  • the SL feedback resource is a centralized resource
  • the SL feedback resource is determined according to resource allocation of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH.
  • processor 1510 is further configured to execute at least one of the following:
  • At least one item of frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource is determined.
  • processor 1510 is further configured to execute at least one of the following:
  • the bandwidth occupied by the SL feedback resource includes at least one of the following:
  • the frequency domain aggregation range of one or more resource block RB sets is not limited.
  • the granularity of frequency domain resources occupied by the SL feedback resources includes at least one of the following:
  • a physical resource block PRB PRB
  • M physical resource blocks PRBs, where M is a protocol predefined or preconfigured or configured parameter
  • the frequency domain resource interval of the SL feedback resource satisfies at least one of the following:
  • the unit of frequency domain resource interval is PRB or M PRBs or the size of subchannel or RBG or one RE or multiple REs.
  • At least one of the frequency-domain resource location, frequency-domain resource size, interlace index and interlace number of the SL feedback resource satisfies at least one of the following:
  • At least one of the frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource is a value that is predefined or determined or preconfigured or configured through a preset rule, and/or is a medium The value indicated by the access control control unit MAC CE or the downlink control information DCI or the side link control information SCI;
  • At least one of the frequency-domain resource position, frequency-domain resource size, interlace index and interlace number of the SL feedback resource is a parameter randomly selected within a preconfigured range.
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource satisfies at least one of the following:
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resources are predefined or determined or preconfigured or configured through preset rules, and/or, at least one of MAC CE, DCI, and SCI indicates parameter;
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource are parameters that are randomly selected within a preconfigured range.
  • the RBG satisfies at least one of the following:
  • the size of an RBG is a parameter predefined or preconfigured or configured by the protocol
  • the number of RBGs is a pre-defined or pre-configured or configured parameter of the protocol
  • the number of RBGs is obtained according to the number of BWPs or RB sets;
  • the number of RBGs is obtained according to the carrier bandwidth of the BWP or RB set.
  • the one resource element RE or multiple REs satisfy at least one of the following:
  • the density of REs is related to the subcarrier spacing SCS;
  • the interval between REs is related to SCS
  • the number of REs in one or more resource blocks is one or more, and the number of REs in the one or more resource blocks is a value predefined or preconfigured or configured by a protocol.
  • the time slot number/number of time slots satisfies:
  • S_num is the time slot number/slot number
  • A is a pre-configured value or a value obtained according to the UE ID
  • I_num is a value predefined or preconfigured or configured by the protocol, or I_num is related to the number of interlaces.
  • the UE ID is at least one of the following:
  • the ID of the device at the receiving end of the feedback information is the ID of the device at the receiving end of the feedback information
  • the SL feedback resource is determined according to resource allocation of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH, and satisfies at least one of the following:
  • the resource allocation method of the SL feedback resource is the same as that of the PSCCH and/or PSSCH;
  • the SL feedback resources are centralized resources or distributed resources, wherein the SL feedback resources are centralized resources or distributed resources through pre-configuration or configuration or indicate OK.
  • the sequence of the feedback information satisfies at least one of the following:
  • the feedback information is transmitted in a sequence with a sequence length of N;
  • the feedback information receiving end device detects the feedback information according to a predefined or preconfigured sequence length
  • N satisfies one of the following:
  • the resource mapping of the feedback information satisfies at least one of the following:
  • the feedback information sequence is mapped from the lowest PRB of the frequency domain resource
  • the feedback information sequence is mapped from the highest PRB of the frequency domain resource
  • the feedback information sequence is the repetition of the feedback information sequence on each PRB;
  • the SL feedback resource is used for the first terminal to send feedback information, and the feedback resource is determined by the terminal, which may be a distributed resource, a centralized resource, or
  • the allocation of feedback resources is determined according to the resource allocation mode of PSCCH and/or PSSCH, which can improve the probability of terminal channel access, thereby sending feedback information on unlicensed frequency bands and improving system efficiency.
  • the processor 1510 is configured to detect or receive feedback information on a sidelink SL feedback resource, where the SL feedback resource is used for the first terminal to send feedback information.
  • the sidelink SL feedback resource satisfies at least one of the following:
  • the SL feedback resources are distributed resources
  • the SL feedback resource is a centralized resource
  • the SL feedback resource is determined according to resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH.
  • the sidelink SL feedback resources include at least one of the following:
  • the frequency domain resource position at least one of the frequency domain resource position, frequency domain resource size, interlace index and interlace number of the SL feedback resource.
  • the sidelink SL feedback resources include at least one of the following:
  • the frequency domain resource position and/or the frequency domain resource size of the SL feedback resource are referred to.
  • the bandwidth occupied by the SL feedback resource includes at least one of the following:
  • the frequency domain aggregation range of one or more resource block RB sets is not limited.
  • the granularity of frequency domain resources occupied by the SL feedback resources includes at least one of the following:
  • a physical resource block PRB PRB
  • M physical resource blocks PRBs, where M is a protocol predefined or preconfigured or configured parameter
  • the frequency domain resource interval of the SL feedback resource satisfies at least one of the following:
  • the unit of frequency domain resource interval is PRB or M PRBs or the size of subchannel or RBG or one RE or multiple REs.
  • At least one of the frequency-domain resource location, frequency-domain resource size, interlace index, and number of interlaces of the SL feedback resource satisfies at least one of the following:
  • At least one of the frequency domain resource location, frequency domain resource size, interlace index and interlace number of the SL feedback resource is a value that is predefined or determined or preconfigured or configured through a preset rule, and/or is a medium A parameter indicated by at least one of the access control control unit MAC CE, downlink control information DCI and side link control information SCI;
  • At least one of the frequency-domain resource position, frequency-domain resource size, interlace index and interlace number of the SL feedback resource is a parameter randomly selected within a preconfigured range.
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource satisfies at least one of the following:
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resources are parameters that are predefined or determined or preconfigured or configured through preset rules, and/or at least one of MAC CE, DCI, and SCI indicates parameter;
  • the frequency-domain resource location and/or frequency-domain resource size of the SL feedback resource are parameters that are randomly selected within a preconfigured range.
  • the RBG satisfies at least one of the following:
  • the size of an RBG is a parameter predefined or preconfigured or configured or indicated by the protocol
  • the number of RBGs is a pre-defined or pre-configured or configured parameter of the protocol
  • the number of RBGs is obtained according to the number of BWPs or RB sets;
  • the number of RBGs is obtained according to the carrier bandwidth of the BWP or RB set.
  • the one resource element RE or multiple REs satisfy at least one of the following:
  • the density of REs is related to the subcarrier spacing SCS;
  • the interval between REs is related to SCS
  • the number of REs in one or more resource blocks is one or more, and the number of REs in the one or more resource blocks is a value predefined or preconfigured or configured by a protocol.
  • the time slot number/number of time slots satisfies:
  • S_num is the time slot number/slot number
  • A is a pre-configured value or a value obtained according to the UE ID
  • I_num is a value predefined or preconfigured or configured by the protocol, or I_num is related to the number of interlaces.
  • the UE ID is at least one of the following:
  • the ID of the device at the receiving end of the feedback information is the ID of the device at the receiving end of the feedback information
  • the SL feedback resource is determined according to the resource allocation or resource structure of the physical sidelink control channel PSCCH and/or the physical sidelink shared channel PSSCH, and satisfies at least one of the following:
  • the resource allocation method of the SL feedback resource is the same as that of the PSCCH and/or PSSCH;
  • the resource structure of the SL feedback resource is the same as that of PSCCH and/or PSSCH;
  • the SL feedback resources are centralized resources or distributed resources, wherein the SL feedback resources are centralized resources or distributed resources through predefined or pre-defined Configure or configure or indicate OK.
  • the sequence of the feedback information satisfies at least one of the following:
  • the feedback information is transmitted in a sequence with a sequence length of N;
  • the feedback information receiving end device detects the feedback information according to a predefined or preconfigured sequence length
  • N satisfies one of the following:
  • the resource mapping of the feedback information satisfies at least one of the following:
  • the feedback information sequence is mapped from the lowest PRB of the frequency domain resource
  • the feedback information sequence is mapped from the highest PRB of the frequency domain resource
  • the feedback information sequence is the repetition of the feedback information sequence on each PRB;
  • feedback information is detected or received on the sidelink SL feedback resource, and the SL feedback resource is used for the first terminal to send feedback information, the flexibility of resource scheduling is improved, and the channel access of the terminal can be improved. probability and improve system efficiency.
  • 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 1600 includes: an antenna 1601 , a radio frequency device 1602 , and a baseband device 1603 .
  • the antenna 1601 is connected to the radio frequency device 1602 .
  • the radio frequency device 1602 receives information through the antenna 1601, and sends the received information to the baseband device 1603 for processing.
  • the baseband device 1603 processes the information to be sent and sends it to the radio frequency device 1602
  • the radio frequency device 1602 processes the received information and sends it out through the antenna 1601 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1603 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1603 .
  • the baseband apparatus 1603 includes a processor 1604 and a memory 1605 .
  • the baseband device 1603 may include, for example, at least one baseband board on which multiple chips are arranged, as shown in FIG. 16 , one of the chips is, for example, the processor 1604, which is connected to the memory 1605 to call the program in the memory 1605 to execute The network devices shown in the above method embodiments operate.
  • the baseband device 1603 may further include a network interface 1606 for exchanging information with the radio frequency device 1602, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present invention further includes: instructions or programs stored in the memory 1605 and executable on the processor 1604, and the processor 1604 invokes the instructions or programs in the memory 1605 to execute the modules shown in FIG. 13 .
  • 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、装置、终端及存储介质,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:第一终端确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息。或者,本申请实施例的旁链路反馈资源的确定方法包括:反馈信息接收端设备在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。

Description

旁链路反馈资源的确定方法、装置、终端及存储介质
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2021104082000,发明名称为“旁链路反馈资源的确定方法、装置、终端及存储介质”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、装置、终端及存储介质。
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。
在R16中,物理旁链路反馈信道(Physical Sidelink Feedback Channel,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/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。
当SL上传输单播信息时,可以使能接收端反馈CSI信息,发送端根据CSI信息来调整传输参数。在非授权频段上,反馈CSI信息的资源也需要与共存于该频段上的其他系统进行资源竞争,抢占获得。
在非授权频段上,SL反馈资源的灵活性有限,可能无法用于反馈信 息传输,从而导致终端信道接入效率较低,无法满足非授权频段上信道占用带宽需求的问题。
发明内容
本申请实施例提供一种旁链路反馈资源的确定方法、装置、终端及存储介质,能够解决在非授权频段上SL终端信道接入效率较低的问题。
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:
第一终端确定旁链路SL反馈资源,所述SL反馈资源用于第一终端发送反馈信息。
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:
反馈信息接收端设备在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
第三方面,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,用于确定旁链路SL反馈资源,所述SL反馈资源用于第一终端发送反馈信息。
第四方面,提供了一种旁链路反馈资源的确定装置,包括:
第一处理单元,用于在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
第五方面,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所述的旁链路反馈资源的确定方法的步骤,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。
第六方面,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旁链路SL反馈资源,所述SL反馈资源用于第一终端发送反馈信息;或者,所述所述处理器用于在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
第七方面,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二方面所述的旁链路反馈资源的确定方法的步骤。
第八方面,提供了一种网络侧设备,包括处理器及通信接口,其中,所述处理器用于在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
第九方面,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。
第十方面,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的步骤。
第十一方面,提供了一种计算机程序/程序产品,所述计算机程序/程序产品被存储在非瞬态的存储介质中,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。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,反馈资源由终端确定,资源调度灵活性得到提升,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
附图说明
图1为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PSFCH为集中式资源的示意图;
图4为本申请实施例提供的PSFCH为分布式资源的示意图;
图5为本申请实施例提供的PSFCH与PSSCH采用相同频域资源的示意图之一;
图6为本申请实施例提供的PSFCH与PSSCH采用相同频域资源的示意图之二;
图7为本申请实施例提供的PSFCH可用资源为PSSCH/PSCCH资源的部分/全部的示意图;
图8为本申请实施例提供的SL反馈资源的频域资源间隔的示意图之一;
图9为本申请实施例提供的SL反馈资源的频域资源间隔的示意图之二;
图10为本申请实施例提供的基于RE定义的PSFCH结构的示意图;
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二;
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通信设备的结构示意图;
图15为实现本申请实施例的一种终端的硬件结构示意图;
图16为实现本申请实施例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。
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、装置、终端及存储介质进行详细地说明。
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,如图2所示,该方法包括以下步骤:
步骤200、第一终端确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息。
可选的,第一终端为PSSCH或PSCCH的接收端设备,反馈信息的发送端设备。
第一终端确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息。
可选的,所述旁链路SL反馈资源通过协议预定义、预配置、配置和指示中的至少一项确定。
需要说明的是,预配置是指网络侧设备通过RRC信令预配置,或者,终端通过RRC信令预配置;配置是指网络侧设备通过RRC信令配置,或者,终端通过RRC信令配置;指示是指通过MAC CE,DCI和SCI中的至少一项指示,其中,网络侧设备是通过MAC CE和/或DCI指示,终端 通过MAC CE和/或SCI指示。
可选的,所述SL反馈资源包括以下至少一项:
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。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,反馈资源由终端确定,资源调度灵活性得到提升,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
可选的,所述旁链路SL反馈资源,满足以下至少之一:
所述SL反馈资源为分布式资源;
所述SL反馈资源为集中式资源;
所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
其中,所述SL反馈资源为分布式资源可以理解为SL反馈资源基于分布式的结构进行传输,或者说是频域非连续分配的资源。
其中,集中式资源可以理解为频域连续分配的资源。
在一些可选的实施例中,在所述SL反馈资源为分布式资源的情况下,所述确定旁链路SL反馈资源,包括以下至少之一:
确定所述SL反馈资源占用的带宽;
确定所述SL反馈资源占用的频域资源粒度;
确定所述SL反馈资源的频域资源间隔;
确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
可选的,所述SL反馈资源占用的带宽,包括以下至少之一:
部分带宽BWP;
一个或多个载波带宽;
PSCCH的带宽;
PSSCH的带宽;
PSCCH频域子集;
PSSCH频域子集;
一个或多个资源块RB集合的频域合集范围。
其中,PSCCH的带宽或PSSCH的带宽是指该反馈信息对应的PSCCH或PSSCH的带宽,指编号最小的资源与编号最大的资源之内的频域范围可用。
考虑到PSSCH/PSCCH接入成功的位置,反馈信息接入成功的概率也会高一些,一种实施方式中,所述SL反馈资源占用的带宽为PSCCH频域子集或PSSCH频域子集。
一个资源块(Resource Block,RB)集合set是指一个先听后说(Listen before talk,LBT)带宽。多个RB sets是指多个LBT带宽,可以是宽频段操作wideband operation。
其中,RB set是在非授权频段定义的最小检测粒度。
可选的,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
一个物理资源块(Physical Resource Block,PRB);
M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
子信道的大小;
资源块组(Resource Block Group,RBG);
一个资源元素(Resource Element,RE)或多个REs。
其中,一个物理资源块(Physical Resource Block,PRB)可以理解为交织interlace的结构。
例如,预定义15kHz下,存在10个interlaces,每个interlace内,占用一个PRB;预定义30kHz下,存在5个interlaces,每个interlace内,占用一个PRB。
或者,总共采用2个PRBs传输,在带宽的起始RB和结束RB的位 置。
M个PRB(s),M为协议预定义或预配置或配置的参数,例如,M=6RBs。
可选的,所述RBG满足以下至少之一:
RBG的大小为协议预定义或预配置或配置的参数;
RBG的数目为协议预定义或预配置或配置的参数;
RBG的数目根据BWP或RB集合的数目获取;
RBG的数目根据BWP或RB集合的载波带宽获取。
可选的,所述一个资源元素RE或多个REs满足以下至少之一:
RE的密度与子载波间隔(subcarrier space,SCS)相关;
RE之间的间隔与SCS相关;
用于协议预定义或预配置或配置interlace的数目;
例如,当SCS=15kHz时,存在10*12个interlace,每个interlace的最小调度单位为一个RE。
一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE(s)的数目为协议预定义或预配置或配置的值。
可选的,所述SL反馈资源的频域资源间隔,满足以下至少之一:
为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
为协议预定义或预配置或配置或指示的参数;
频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
可选的,所述SL反馈资源的频域资源位置或频域资源大小或交织interlace索引或interlace数目满足以下至少之一:
为协议预定义或预配置或配置的值,和/或,为MAC CE、DCI和SCI中的至少一项指示的参数;
与SCS相关的值。
可选的,所述SL反馈资源的频域资源位置、频域资源大小、交织 interlace索引和interlace数目中的至少一项,包括:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE、下行控制信息DCI和旁链路控制信息SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
例如,gNB通过RRC配置多个可用的交织索引interlace index给RX UE,可选的,再通过DCI进一步指示RX UE使用的interlace index用于传输PSFCH。
可选的,所述时隙编号/时隙数目满足:
S_num mod(I_num)=A;
其中,S_num为时隙编号/时隙数目;
其中,A为预配置的值或根据UE ID获取的值;
其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
例如,I_num=interlace number,或者,interlace number为I_num的整数倍,或者,I_num为interlace number的整数倍。对于第二种关系,多个interlace对应的PSFCH可以对应在一个候选时隙slot内发送。
可选的,所述UE ID为以下至少之一:
所述第一终端的ID;
反馈信息接收端设备的ID;
反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
调度终端的ID。
在一些可选的实施例中,在所述SL反馈资源为集中式资源的情况下,所述确定旁链路SL反馈资源,包括以下至少之一:
确定所述SL反馈资源占用的带宽;
确定所述SL反馈资源占用的频域资源粒度;
确定所述SL反馈资源的频域资源位置和/或频域资源大小。
其中,所述频域资源位置包括频域资源起始和/或频域资源结束位置。
其中,对于所述SL反馈资源占用的带宽和所述SL反馈资源占用的频域资源粒度的理解,可以参考前述实施例,在此不再赘述。
可选的,所述确定所述SL反馈资源的频域资源位置和/或频域资源大小,包括:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的参数,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
其中,所述SL反馈资源的频域资源位置为在预配置的范围内随机选择的参数,包括以下至少一项:
频域资源起始位置在预配置的范围内随机选择;
频域资源占用的长度在预配置的范围内随机选择;
频域资源结束位置在预配置的范围内随机选择。
可选的,所述时隙编号/时隙数目满足:
S_num mod(I_num)=A;
其中,S_num为时隙编号/时隙数目;
其中,A为预配置的值或根据UE ID获取的值;
其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
可选的,所述UE ID为以下至少之一:
所述第一终端的ID;
反馈信息接收端设备的ID;
反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
调度终端的ID。
在另一些可选的实施例中,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定,包括以下至少之一:
所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
所述SL反馈资源的资源结构与PSCCH和/或PSSCH的资源结构相同;
在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预配置或配置或指示确定。
一种实施方式中,在PSCCH/PSSCH采用的资源分配方式为分布式资源分配的情况下,所述SL反馈资源采用分布式资源分配。或者说,在PSCCH/PSSCH采用的资源为分布式资源情况下,所述SL反馈资源采用分布式资源。
一种实施方式中,在PSCCH/PSSCH采用的资源分配方式为集中式资源分配的情况下,所述SL反馈资源采用集中式资源分配。或者说,在PSCCH/PSSCH采用的资源为集中式资源的情况下,所述SL反馈资源采用集中式资源。
可选的,若PSSCH/PSCCH为连续资源分配,即集中式资源分配所述SL反馈资源与PSSCH/PSCCH频域范围相同。
可选的,若PSSCH/PSCCH为interlaced based资源分配,即分布式资源分配,所述SL反馈资源与PSSCH/PSCCH的频域范围相同。
可选的,若PSSCH/PSCCH为interlaced based资源分配,所述SL反馈资源在PSSCH/PSCCH的频域范围内。
一种实施方式中,在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源可以为集中式资源或分布式资源。可选的,所述SL反馈资源为集中式资源还是分布式资源通过预配置或配置或指示确定。其中,所述指示可以是MAC CE指示,和/或DCI指示,和/或SCI指示。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,反馈资源由终端确定,可以是分布式资源,或集中式资源,或根据PSCCH和/或PSSCH的资源分配方式确定反馈资源的分配,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
在一些可选的实施例中,所述反馈信息的序列满足以下至少之一:
反馈信息采用序列长度为N的序列传输;
反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
其中,N的值满足以下之一:
为预定义或预配置的值;
与SCS的配置相关;
与可用资源相关。
反馈信息的资源通过反馈信息的序列体现。
一种实施方式中,反馈信息采用序列长度为N的序列传输,N的值与SCS的配置相关,例如,15kHz对应N1,30kHz对应N2。在interlaced based资源分配下,N1或N2定义的PSFCH信息可以覆盖部分(10个PRBs/5个PRBs)的频域资源,可以扩展PSFCH信息的容量。
一种实施方式中,反馈信息采用序列长度为N的序列传输,N的长度 与可用资源相关。这种情况下,序列长度首先去匹配可能变化的频域资源来生成序列。例如:对于interlace为10个PRBs的资源,其序列长度为长度N1=10*m,对于interlace为11个PRBs的资源,构建长度N2=11*m。其中,序列10*m~(11*m-1)与9*m~(10*m-1)的重复。
一种实施方式中,反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息。例如,若反馈信息序列长度为11*m,预定义检测序列长度为10*m,反馈信息接收端基于10*m来检测序列。这种方法下分别要定义发送端的序列生成,以及接收端序列检测的序列。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,所述SL反馈资源通过反馈信息的序列确定,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
在一些可选的实施例中,所述反馈信息的资源映射满足以下至少之一:
反馈信息序列从频域资源的最低PRB开始映射;
反馈信息序列从频域资源的最高PRB开始映射;
反馈信息序列在每个PRB上为反馈信息序列的重复;
与交织索引interlace index相关。
一种实施方式中,反馈信息序列从频域资源的最低PRB开始映射。可选的,若序列映射在PRB 1到PRB n中。且频域资源剩余N个PRBs,则剩余频域资源内的序列为前n个PRB的序列的重复。其中,N可以大于,等于或小于n。若N>n,则为前n个PRB序列的多次重复,可以是完全重复或者是部分重复。若N<n,则为前n个PRB的序列的部分重复。若N=n,则为前n个PRB的序列的重复。
一种实施方式中,基于PSFCH占用一个PRB,剩余PRB为重复的情况,反馈信息序列在每个PRB上为反馈信息序列的重复。
一种实施方式中,反馈信息的资源映射与交织索引相关。例如:15kHz下,interlace 0-5对应11个PRBs,interlace 6-9对应10个PRBs,对于interlace  0-5,映射预定义的PSFCH长度N1,最后一个PRB为第10个PRB的重复映射。
在本申请实施例中,通过确定旁链路SL反馈资源,确定反馈信息序列的映射,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
下面通过一些例子来进一步地说明本申请实施例提供的旁链路反馈资源的确定方法。
图3为本申请实施例提供的PSFCH为集中式资源的示意图。如图3所示,PSFCH为连续资源分配,图3为20MHz,30kHz下,PSFCH从第4个PRBs开始,占用45个PRRs。
图4为本申请实施例提供的PSFCH为分布式资源的示意图。如图4所示,PSFCH为interlaced based资源分配,图4为20MHz,30kHz下,PSFCH采用interlace 0传输信息。
图5为本申请实施例提供的PSFCH与PSSCH采用相同频域资源的示意图之一。如图5所示,若PSSCH/PSCCH为连续资源分配,PSFCH与PSSCH/PSCCH频域范围相同。
图6为本申请实施例提供的PSFCH与PSSCH采用相同频域资源的示意图之二。如图6所示,若PSSCH/PSCCH为interlaced based资源分配,PSFCH与PSSCH/PSCCH频域范围相同。
图7为本申请实施例提供的PSFCH可用资源为PSSCH/PSCCH资源的部分/全部的示意图。若PSSCH为interlaced based资源分配,PSFCH可用的频域资源为PSSCH的频域资源范围内。如图7所示,PSSCH/PSCCH占用interlace 0和interlace 1,PSFCH占用interlace 0发送。
图8为本申请实施例提供的SL反馈资源的频域资源间隔的示意图之一。
若频域资源间隔为相邻两个频域资源粒度之间的GAP,当定义频域资源间隔为3个PRBs,调度粒度为2个PRBs时PSFCH在频域上的资源占 用情况如图8所示。
若频域资源间隔为相邻的两个频域资源粒度的间隔,当定义频域资源间隔为5个PRBs,调度粒度为2个PRBs时,PSFCH在频域上的资源占用情况如图8所示。
定义频域之间的GAP,有利于控制/降低IBE。
图9为本申请实施例提供的SL反馈资源的频域资源间隔的示意图之二。
若频域资源间隔为相邻两个频域资源粒度之间的GAP,当定义频域资源间隔为49个PRBs,调度2个PRBs时PSFCH在频域上的资源占用情况如图9所示。
若频域资源间隔为相邻的两个频域资源粒度的间隔,当定义频域资源间隔为50个PRBs,调度2个PRBs时PSFCH在频域上的资源占用情况如图9所示。
图10为本申请实施例提供的基于RE定义的PSFCH结构的示意图。
PSFCH采用RE based interlace的结构,其中,PSFCH在一个PRB内占用1个或多个RE(s),RE可以为连续或者非连续的资源分配。若在一个PRB中占用1个RE,一种PSFCH的资源如图10所示。
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二,如图11所示,该旁链路反馈资源的确定方法包括:
步骤1100、反馈信息接收端设备在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
可选的,反馈信息接收端设备可以是第二终端,调度终端或网络侧设备。
其中,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,或者授权终端发送PSSCH和/或PSCCH的设备。
可选的,反馈信息接收端设备通过协议预定义、预配置、配置和指示中的至少一项确定旁链路SL反馈资源。
需要说明的是,预配置是指网络侧设备通过RRC信令预配置,或者,终端通过RRC信令预配置;配置是指网络侧设备通过RRC信令配置,或者,终端通过RRC信令配置;指示是指通过MAC CE,DCI和SCI中的至少一项指示,其中,网络侧设备是通过MAC CE和/或DCI指示,终端通过MAC CE和/或SCI指示。
在本申请实施例中,反馈信息接收端设备在旁链路SL反馈资源上检测或接收反馈信息,资源调度灵活性得到提升,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
可选的,所述旁链路SL反馈资源,满足以下至少之一:
所述SL反馈资源为分布式资源;
所述SL反馈资源为集中式资源;
所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
可选的,在所述SL反馈资源为分布式资源的情况下,所述旁链路SL反馈资源包括以下至少之一:
所述SL反馈资源占用的带宽;
所述SL反馈资源占用的频域资源粒度;
所述SL反馈资源的频域资源间隔;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
可选的,在所述SL反馈资源为集中式资源的情况下,所述旁链路SL反馈资源,包括以下至少之一:
所述SL反馈资源占用的带宽;
所述SL反馈资源占用的频域资源粒度;
所述SL反馈资源的频域资源位置和/或频域资源大小。
可选的,所述SL反馈资源占用的带宽,包括以下至少之一:
部分带宽BWP;
一个或多个载波带宽;
PSCCH的带宽;
PSSCH的带宽;
PSCCH频域子集;
PSSCH频域子集;
一个或多个资源块RB集合的频域合集范围。
可选的,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
一个物理资源块PRB;
M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
子信道的大小;
资源块组RBG;
一个资源元素RE或多个REs。
可选的,所述SL反馈资源的频域资源间隔,满足以下至少之一:
为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
为协议预定义或预配置或配置或指示的参数;
频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
可选的,所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE、下行控制信息DCI和旁链路控制信息SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
可选的,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的参数,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
可选的,所述RBG满足以下至少之一:
一个RBG的大小为协议预定义或预配置或配置或指示的参数;
RBG的数目为协议预定义或预配置或配置的参数;
RBG的数目根据BWP或RB集合的数目获取;
RBG的数目根据BWP或RB集合的载波带宽获取。
可选的,所述一个资源元素RE或多个REs满足以下至少之一:
RE的密度与子载波间隔SCS相关;
RE之间的间隔与SCS相关;
用于协议预定义或预配置或配置interlace的数目;
一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE的数目为协议预定义或预配置或配置的值。
可选的,所述时隙编号/时隙数目满足:
S_num mod(I_num)=A;
其中,S_num为时隙编号/时隙数目;
其中,A为预配置的值或根据UE ID获取的值;
其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
可选的,所述UE ID为以下至少之一:
所述第一终端的ID;
反馈信息接收端设备的ID;
反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
调度终端的ID。
可选的,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定,满足以下至少之一:
所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
所述SL反馈资源的资源结构与PSCCH和/或PSSCH的资源结构相同;
在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预定义或预配置或配置或指示确定。
在本申请实施例中,反馈信息接收端设备在旁链路SL反馈资源上检测或接收反馈信息,所述SL反馈资源用于所述第一终端发送反馈信息,SL反馈资源可以是分布式资源,或集中式资源,或根据PSCCH和/或PSSCH的资源分配或资源结构确定,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
可选的,所述反馈信息的序列满足以下至少之一:
反馈信息采用序列长度为N的序列传输;
反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
其中,N的值满足以下之一:
为预定义或预配置的值;
与SCS的配置相关;
与可用资源相关。
可选的,所述反馈信息的资源映射满足以下至少之一:
反馈信息序列从频域资源的最低PRB开始映射;
反馈信息序列从频域资源的最高PRB开始映射;
反馈信息序列在每个PRB上为反馈信息序列的重复;
与交织索引相关。
本申请实施例中的SL反馈资源的结构对于反馈信息接收端和第一终端是相同的。因此,可以参考前述实施例中的相关描述,在此不再赘述。
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。如图12所示,该装置包括:
第一确定单元1210,用于确定旁链路SL反馈资源,所述SL反馈资源用于第一终端发送反馈信息。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,反馈资源由终端确定,资源调度灵活性得到提升,可以提高终端信道接入的概率,从而在非授权频段上发送反馈 信息,提高系统效率。
可选的,所述旁链路SL反馈资源,满足以下至少之一:
所述SL反馈资源为分布式资源;
所述SL反馈资源为集中式资源;
所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配确定。
可选的,在所述SL反馈资源为分布式资源的情况下,所述第一确定单元,用于执行以下至少之一:
确定所述SL反馈资源占用的带宽;
确定所述SL反馈资源占用的频域资源粒度;
确定所述SL反馈资源的频域资源间隔;
确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
可选的,在所述SL反馈资源为集中式资源的情况下,所述第一确定单元,用于执行以下至少之一:
确定所述SL反馈资源占用的带宽;
确定所述SL反馈资源占用的频域资源粒度;
确定所述SL反馈资源的频域资源位置和/或频域资源大小。
可选的,所述SL反馈资源占用的带宽,包括以下至少之一:
部分带宽BWP;
一个或多个载波带宽;
PSCCH的带宽;
PSSCH的带宽;
PSCCH频域子集;
PSSCH频域子集;
一个或多个资源块RB集合的频域合集范围。
可选的,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
一个物理资源块PRB;
M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
子信道的大小;
资源块组RBG;
一个资源元素RE或多个REs。
可选的,所述SL反馈资源的频域资源间隔,满足以下至少之一:
为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
为协议预定义或预配置或配置或指示的参数;
频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
可选的,所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE或下行控制信息DCI或旁链路控制信息SCI指示的值;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
可选的,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的值,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
可选的,所述RBG满足以下至少之一:
一个RBG的大小为协议预定义或预配置或配置的参数;
RBG的数目为协议预定义或预配置或配置的参数;
RBG的数目根据BWP或RB集合的数目获取;
RBG的数目根据BWP或RB集合的载波带宽获取。
可选的,所述一个资源元素RE或多个REs满足以下至少之一:
RE的密度与子载波间隔SCS相关;
RE之间的间隔与SCS相关;
用于协议预定义或预配置或配置interlace的数目;
一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE的数目为协议预定义或预配置或配置的值。
可选的,所述时隙编号/时隙数目满足:
S_num mod(I_num)=A;
其中,S_num为时隙编号/时隙数目;
其中,A为预配置的值或根据UE ID获取的值;
其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
可选的,所述UE ID为以下至少之一:
所述第一终端的ID;
反馈信息接收端设备的ID;
反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
调度终端的ID。
可选的,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配确定,满足以下至少之一:
所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预配置或配置或指示确定。
可选的,所述反馈信息的序列满足以下至少之一:
反馈信息采用序列长度为N的序列传输;
反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
其中,N的值满足以下之一:
为预定义或预配置的值;
与SCS的配置相关;
与可用资源相关。
可选的,所述反馈信息的资源映射满足以下至少之一:
反馈信息序列从频域资源的最低PRB开始映射;
反馈信息序列从频域资源的最高PRB开始映射;
反馈信息序列在每个PRB上为反馈信息序列的重复;
与交织索引相关。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,反馈资源由终端确定,可以是分布式资源,或集中式资源,或根据PSCCH和/或PSSCH的资源分配方式确定反馈资源的分配,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
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:
第一处理单元1310,用于在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
可选的,所述旁链路SL反馈资源,满足以下至少之一:
所述SL反馈资源为分布式资源;
所述SL反馈资源为集中式资源;
所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
可选的,在所述SL反馈资源为分布式资源的情况下,所述旁链路SL反馈资源包括以下至少之一:
所述SL反馈资源占用的带宽;
所述SL反馈资源占用的频域资源粒度;
所述SL反馈资源的频域资源间隔;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
可选的,在所述SL反馈资源为集中式资源的情况下,所述旁链路SL反馈资源,包括以下至少之一:
所述SL反馈资源占用的带宽;
所述SL反馈资源占用的频域资源粒度;
所述SL反馈资源的频域资源位置和/或频域资源大小。
可选的,所述SL反馈资源占用的带宽,包括以下至少之一:
部分带宽BWP;
一个或多个载波带宽;
PSCCH的带宽;
PSSCH的带宽;
PSCCH频域子集;
PSSCH频域子集;
一个或多个资源块RB集合的频域合集范围。
可选的,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
一个物理资源块PRB;
M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
子信道的大小;
资源块组RBG;
一个资源元素RE或多个REs。
可选的,所述SL反馈资源的频域资源间隔,满足以下至少之一:
为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
为协议预定义或预配置或配置或指示的参数;
频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
可选的,所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE、下行控制信息DCI和旁链路控制信息SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
可选的,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的参数,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
可选的,所述RBG满足以下至少之一:
一个RBG的大小为协议预定义或预配置或配置或指示的参数;
RBG的数目为协议预定义或预配置或配置的参数;
RBG的数目根据BWP或RB集合的数目获取;
RBG的数目根据BWP或RB集合的载波带宽获取。
可选的,所述一个资源元素RE或多个REs满足以下至少之一:
RE的密度与子载波间隔SCS相关;
RE之间的间隔与SCS相关;
用于协议预定义或预配置或配置interlace的数目;
一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE的数目为协议预定义或预配置或配置的值。
可选的,所述时隙编号/时隙数目满足:
S_num mod(I_num)=A;
其中,S_num为时隙编号/时隙数目;
其中,A为预配置的值或根据UE ID获取的值;
其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
可选的,所述UE ID为以下至少之一:
所述第一终端的ID;
反馈信息接收端设备的ID;
反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
调度终端的ID。
可选的,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定,满足以下至少之一:
所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
所述SL反馈资源的资源结构与PSCCH和/或PSSCH的资源结构相同;
在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预定义或预配置或配置或指示确定。
可选的,所述反馈信息的序列满足以下至少之一:
反馈信息采用序列长度为N的序列传输;
反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
其中,N的值满足以下之一:
为预定义或预配置的值;
与SCS的配置相关;
与可用资源相关。
可选的,所述反馈信息的资源映射满足以下至少之一:
反馈信息序列从频域资源的最低PRB开始映射;
反馈信息序列从频域资源的最高PRB开始映射;
反馈信息序列在每个PRB上为反馈信息序列的重复;
与交织索引相关。
在本申请实施例中,在旁链路SL反馈资源上检测或接收反馈信息,所述SL反馈资源用于所述第一终端发送反馈信息,资源调度灵活性得到提升,可以提高终端信道接入的概率,提高系统效率。
可选的,如图14所示,本申请实施例还提供一种通信设备1400,包括处理器1401,存储器1402,存储在存储器1402上并可在所述处理器1401上运行的程序或指令,例如,该通信设备1400为终端时,该程序或指令被处理器1401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。
本申请实施例还提供一种终端,包括处理器和通信接口,处理器用于确定旁链路SL反馈资源,所述SL反馈资源用于第一终端发送反馈信息。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15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1500包括但不限于:射频单元1501、网络模块1502、音频输出单元1503、输入单元1504、传感器1505、显示单元1506、用户输入单元1507、接口单元1508、存储器1509、以及处理器1510等中的至少部分部件。
本领域技术人员可以理解,终端1500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1510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15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1504可以包括图形处理器(Graphics Processing Unit,GPU)15041和麦克风15042,图形处理器15041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1506可包括显示面板15061,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15061。用户输入单元1507包括触控面板15071以及其他输入设备15072。触控面板15071,也称为触摸屏。触控面板15071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15072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1501将来自网络侧设备的下行数据接收后,给处理器1510处理;另外,将上行的数据发送给网络侧设备。通常,射频单元1501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1509可用于存储软件程序或指令以及各种数据。存储器1509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1509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1510可包括一个或多个处理单元;可选的,处理器1510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1510中。
其中,处理器1510,用于确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,反馈资源由终端确定,资源调度灵活性得到提升,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
可选的,所述旁链路SL反馈资源,满足以下至少之一:
所述SL反馈资源为分布式资源;
所述SL反馈资源为集中式资源;
所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配确定。
可选的,处理器1510,还用于执行以下至少之一:
确定所述SL反馈资源占用的带宽;
确定所述SL反馈资源占用的频域资源粒度;
确定所述SL反馈资源的频域资源间隔;
确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
可选的,处理器1510,还用于执行以下至少之一:
确定所述SL反馈资源占用的带宽;
确定所述SL反馈资源占用的频域资源粒度;
确定所述SL反馈资源的频域资源位置和/或频域资源大小。
可选的,所述SL反馈资源占用的带宽,包括以下至少之一:
部分带宽BWP;
一个或多个载波带宽;
PSCCH的带宽;
PSSCH的带宽;
PSCCH频域子集;
PSSCH频域子集;
一个或多个资源块RB集合的频域合集范围。
可选的,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
一个物理资源块PRB;
M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
子信道的大小;
资源块组RBG;
一个资源元素RE或多个REs。
可选的,所述SL反馈资源的频域资源间隔,满足以下至少之一:
为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
为协议预定义或预配置或配置或指示的参数;
频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
可选的,所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE或下行控制信息DCI 或旁链路控制信息SCI指示的值;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
可选的,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的值,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
可选的,所述RBG满足以下至少之一:
一个RBG的大小为协议预定义或预配置或配置的参数;
RBG的数目为协议预定义或预配置或配置的参数;
RBG的数目根据BWP或RB集合的数目获取;
RBG的数目根据BWP或RB集合的载波带宽获取。
可选的,所述一个资源元素RE或多个REs满足以下至少之一:
RE的密度与子载波间隔SCS相关;
RE之间的间隔与SCS相关;
用于协议预定义或预配置或配置interlace的数目;
一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE的数目为协议预定义或预配置或配置的值。
可选的,所述时隙编号/时隙数目满足:
S_num mod(I_num)=A;
其中,S_num为时隙编号/时隙数目;
其中,A为预配置的值或根据UE ID获取的值;
其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
可选的,所述UE ID为以下至少之一:
所述第一终端的ID;
反馈信息接收端设备的ID;
反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
调度终端的ID。
可选的,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配确定,满足以下至少之一:
所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预配置或配置或指示确定。
可选的,所述反馈信息的序列满足以下至少之一:
反馈信息采用序列长度为N的序列传输;
反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
其中,N的值满足以下之一:
为预定义或预配置的值;
与SCS的配置相关;
与可用资源相关。
可选的,所述反馈信息的资源映射满足以下至少之一:
反馈信息序列从频域资源的最低PRB开始映射;
反馈信息序列从频域资源的最高PRB开始映射;
反馈信息序列在每个PRB上为反馈信息序列的重复;
与交织索引相关。
在本申请实施例中,通过确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息,反馈资源由终端确定,可以是分布式资源,或集中式资源,或根据PSCCH和/或PSSCH的资源分配方式确定反馈资源的分配,可以提高终端信道接入的概率,从而在非授权频段上发送反馈信息,提高系统效率。
在另一个可选的实施例中,处理器1510,用于在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
可选的,所述旁链路SL反馈资源,满足以下至少之一:
所述SL反馈资源为分布式资源;
所述SL反馈资源为集中式资源;
所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
可选的,在所述SL反馈资源为分布式资源的情况下,所述旁链路SL反馈资源包括以下至少之一:
所述SL反馈资源占用的带宽;
所述SL反馈资源占用的频域资源粒度;
所述SL反馈资源的频域资源间隔;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
可选的,在所述SL反馈资源为集中式资源的情况下,所述旁链路SL反馈资源,包括以下至少之一:
所述SL反馈资源占用的带宽;
所述SL反馈资源占用的频域资源粒度;
所述SL反馈资源的频域资源位置和/或频域资源大小。
可选的,所述SL反馈资源占用的带宽,包括以下至少之一:
部分带宽BWP;
一个或多个载波带宽;
PSCCH的带宽;
PSSCH的带宽;
PSCCH频域子集;
PSSCH频域子集;
一个或多个资源块RB集合的频域合集范围。
可选的,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
一个物理资源块PRB;
M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
子信道的大小;
资源块组RBG;
一个资源元素RE或多个REs。
可选的,所述SL反馈资源的频域资源间隔,满足以下至少之一:
为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
为协议预定义或预配置或配置或指示的参数;
频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
可选的,所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或 配置的值,和/或,为媒介访问控制控制单元MAC CE、下行控制信息DCI和旁链路控制信息SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
可选的,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的参数,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
可选的,所述RBG满足以下至少之一:
一个RBG的大小为协议预定义或预配置或配置或指示的参数;
RBG的数目为协议预定义或预配置或配置的参数;
RBG的数目根据BWP或RB集合的数目获取;
RBG的数目根据BWP或RB集合的载波带宽获取。
可选的,所述一个资源元素RE或多个REs满足以下至少之一:
RE的密度与子载波间隔SCS相关;
RE之间的间隔与SCS相关;
用于协议预定义或预配置或配置interlace的数目;
一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE的数目为协议预定义或预配置或配置的值。
可选的,所述时隙编号/时隙数目满足:
S_num mod(I_num)=A;
其中,S_num为时隙编号/时隙数目;
其中,A为预配置的值或根据UE ID获取的值;
其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
可选的,所述UE ID为以下至少之一:
所述第一终端的ID;
反馈信息接收端设备的ID;
反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
调度终端的ID。
可选的,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定,满足以下至少之一:
所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
所述SL反馈资源的资源结构与PSCCH和/或PSSCH的资源结构相同;
在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预定义或预配置或配置或指示确定。
可选的,所述反馈信息的序列满足以下至少之一:
反馈信息采用序列长度为N的序列传输;
反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
其中,N的值满足以下之一:
为预定义或预配置的值;
与SCS的配置相关;
与可用资源相关。
可选的,所述反馈信息的资源映射满足以下至少之一:
反馈信息序列从频域资源的最低PRB开始映射;
反馈信息序列从频域资源的最高PRB开始映射;
反馈信息序列在每个PRB上为反馈信息序列的重复;
与交织索引相关。
在本申请实施例中,在旁链路SL反馈资源上检测或接收反馈信息,所述SL反馈资源用于所述第一终端发送反馈信息,资源调度灵活性得到提升,可以提高终端信道接入的概率,提高系统效率。
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16所示,该网络侧设备1600包括:天线1601、射频装置1602、基带装置1603。天线1601与射频装置1602连接。在上行方向上,射频装置1602通过天线1601接收信息,将接收的信息发送给基带装置1603进行处理。在下行方向上,基带装置1603对要发送的信息进行处理,并发送给射频装置1602,射频装置1602对收到的信息进行处理后经过天线1601发送出去。
上述频带处理装置可以位于基带装置1603中,以上实施例中网络侧设备执行的方法可以在基带装置1603中实现,该基带装置1603包括处理器1604和存储器1605。
基带装置1603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16所示,其中一个芯片例如为处理器1604,与存储器1605连接,以调用存储器1605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1603还可以包括网络接口1606,用于与射频装置1602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1605上并可在处理器1604上运行的指令或程序,处理器1604调用存储器1605中的指令或程序执行图13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 (50)

  1. 一种旁链路反馈资源的确定方法,包括:
    第一终端确定旁链路SL反馈资源,所述SL反馈资源用于所述第一终端发送反馈信息。
  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,所述旁链路SL反馈资源,满足以下至少之一:
    所述SL反馈资源为分布式资源;
    所述SL反馈资源为集中式资源;
    所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
  3. 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SL反馈资源为分布式资源的情况下,所述确定旁链路SL反馈资源,包括以下至少之一:
    确定所述SL反馈资源占用的带宽;
    确定所述SL反馈资源占用的频域资源粒度;
    确定所述SL反馈资源的频域资源间隔;
    确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
  4. 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SL反馈资源为集中式资源的情况下,所述确定旁链路SL反馈资源,包括以下至少之一:
    确定所述SL反馈资源占用的带宽;
    确定所述SL反馈资源占用的频域资源粒度;
    确定所述SL反馈资源的频域资源位置和/或频域资源大小。
  5. 根据权利要求3或4所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源占用的带宽,包括以下至少之一:
    部分带宽BWP;
    一个或多个载波带宽;
    PSCCH的带宽;
    PSSCH的带宽;
    PSCCH频域子集;
    PSSCH频域子集;
    一个或多个资源块RB集合的频域合集范围。
  6. 根据权利要求3或4所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
    一个物理资源块PRB;
    M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
    子信道的大小;
    资源块组RBG;
    一个资源元素RE或多个REs。
  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SL反馈资源的频域资源间隔,满足以下至少之一:
    为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
    为协议预定义或预配置或配置或指示的参数;
    频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
  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SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
    根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
    根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资 源大小、交织interlace索引和interlace数目中的至少一项;
    所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE、下行控制信息DCI和旁链路控制信息SCI中的至少一项指示的参数;
    所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
  9. 根据权利要求4所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
    根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
    根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
    所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的参数,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
    所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
  10. 根据权利要求6所述的旁链路反馈资源的确定方法,其中,所述RBG满足以下至少之一:
    一个RBG的大小为协议预定义或预配置或配置或指示的参数;
    RBG的数目为协议预定义或预配置或配置的参数;
    RBG的数目根据BWP或RB集合的数目获取;
    RBG的数目根据BWP或RB集合的载波带宽获取。
  11. 根据权利要求6所述的旁链路反馈资源的确定方法,其中,所述一个资源元素RE或多个REs满足以下至少之一:
    RE的密度与子载波间隔SCS相关;
    RE之间的间隔与SCS相关;
    用于协议预定义或预配置或配置interlace的数目;
    一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE的数目为协议预定义或预配置或配置的值。
  12. 根据权利要求8或9所述的旁链路反馈资源的确定方法,其中,所述时隙编号/时隙数目满足:
    S_num mod(I_num)=A;
    其中,S_num为时隙编号/时隙数目;
    其中,A为预配置的值或根据UE ID获取的值;
    其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
  13. 根据权利要求8或9所述的旁链路反馈资源的确定方法,其中,所述UE ID为以下至少之一:
    所述第一终端的ID;
    反馈信息接收端设备的ID;
    反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
    调度终端的ID。
  14. 根据权利要求2所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定,满足以下至少之一:
    所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
    所述SL反馈资源的资源结构与PSCCH和/或PSSCH的资源结构相同;
    在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预定义或预配置或配置或指示确定。
  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,所述反馈信息的序列满足以下至少之一:
    反馈信息采用序列长度为N的序列传输;
    反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
    其中,N的值满足以下之一:
    为预定义或预配置的值;
    与SCS的配置相关;
    与可用资源相关。
  16. 根据权利要求1所述的旁链路反馈资源的确定方法,其中,所述反馈信息的资源映射满足以下至少之一:
    反馈信息序列从频域资源的最低PRB开始映射;
    反馈信息序列从频域资源的最高PRB开始映射;
    反馈信息序列在每个PRB上为反馈信息序列的重复;
    与交织索引相关。
  17. 一种旁链路反馈资源的确定方法,包括:
    反馈信息接收端设备在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
  18. 根据权利要求17所述的旁链路反馈资源的确定方法,其中,所述旁链路SL反馈资源,满足以下至少之一:
    所述SL反馈资源为分布式资源;
    所述SL反馈资源为集中式资源;
    所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
  19. 根据权利要求18所述的旁链路反馈资源的确定方法,其中,在所述SL反馈资源为分布式资源的情况下,所述旁链路SL反馈资源包括以下至少之一:
    所述SL反馈资源占用的带宽;
    所述SL反馈资源占用的频域资源粒度;
    所述SL反馈资源的频域资源间隔;
    所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
  20. 根据权利要求18所述的旁链路反馈资源的确定方法,其中,在所述SL反馈资源为集中式资源的情况下,所述旁链路SL反馈资源,包括以下至少之一:
    所述SL反馈资源占用的带宽;
    所述SL反馈资源占用的频域资源粒度;
    所述SL反馈资源的频域资源位置和/或频域资源大小。
  21. 根据权利要求19或20所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源占用的带宽,包括以下至少之一:
    部分带宽BWP;
    一个或多个载波带宽;
    PSCCH的带宽;
    PSSCH的带宽;
    PSCCH频域子集;
    PSSCH频域子集;
    一个或多个资源块RB集合的频域合集范围。
  22. 根据权利要求19或20所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源占用的频域资源粒度,包括以下至少之一:
    一个物理资源块PRB;
    M个物理资源块PRBs,M为协议预定义或预配置或配置的参数;
    子信道的大小;
    资源块组RBG;
    一个资源元素RE或多个REs。
  23. 根据权利要求19所述的旁链路反馈资源的确定方法,其中,所述 SL反馈资源的频域资源间隔,满足以下至少之一:
    为相邻的两个频域资源粒度的间隔或相邻两个频域资源粒度之间的间隔GAP;
    为协议预定义或预配置或配置或指示的参数;
    频域资源间隔的单位为PRB或M个PRBs或子信道的大小或RBG或一个RE或多个REs。
  24. 根据权利要求19所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
    根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
    根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
    所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE、下行控制信息DCI和旁链路控制信息SCI中的至少一项指示的参数;
    所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
  25. 根据权利要求20所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
    根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
    根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
    所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的参数,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
    所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
  26. 根据权利要求22所述的旁链路反馈资源的确定方法,其中,所述RBG满足以下至少之一:
    一个RBG的大小为协议预定义或预配置或配置或指示的参数;
    RBG的数目为协议预定义或预配置或配置的参数;
    RBG的数目根据BWP或RB集合的数目获取;
    RBG的数目根据BWP或RB集合的载波带宽获取。
  27. 根据权利要求22所述的旁链路反馈资源的确定方法,其中,所述一个资源元素RE或多个REs满足以下至少之一:
    RE的密度与子载波间隔SCS相关;
    RE之间的间隔与SCS相关;
    用于协议预定义或预配置或配置interlace的数目;
    一个或多个资源块内RE的数目为一个或多个,所述一个或多个资源块内RE的数目为协议预定义或预配置或配置的值。
  28. 根据权利要求24或25所述的旁链路反馈资源的确定方法,其中,所述时隙编号/时隙数目满足:
    S_num mod(I_num)=A;
    其中,S_num为时隙编号/时隙数目;
    其中,A为预配置的值或根据UE ID获取的值;
    其中,I_num为协议预定义或预配置或配置的值,或者,I_num与interlace的数目相关。
  29. 根据权利要求24或25所述的旁链路反馈资源的确定方法,其中,所述UE ID为以下至少之一:
    所述第一终端的ID;
    反馈信息接收端设备的ID;
    反馈信息对应的PSCCH和/或PSSCH的发送终端的ID;
    调度终端的ID。
  30. 根据权利要求18所述的旁链路反馈资源的确定方法,其中,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定,满足以下至少之一:
    所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
    所述SL反馈资源的资源结构与PSCCH和/或PSSCH的资源结构相同;
    在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源或分布式资源通过预定义或预配置或配置或指示确定。
  31. 根据权利要求17所述的旁链路反馈资源的确定方法,其中,所述反馈信息的序列满足以下至少之一:
    反馈信息采用序列长度为N的序列传输;
    反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
    其中,N的值满足以下之一:
    为预定义或预配置的值;
    与SCS的配置相关;
    与可用资源相关。
  32. 根据权利要求17所述的旁链路反馈资源的确定方法,其中,所述反馈信息的资源映射满足以下至少之一:
    反馈信息序列从频域资源的最低PRB开始映射;
    反馈信息序列从频域资源的最高PRB开始映射;
    反馈信息序列在每个PRB上为反馈信息序列的重复;
    与交织索引相关。
  33. 一种旁链路反馈资源的确定装置,包括:
    第一确定单元,用于确定旁链路SL反馈资源,所述SL反馈资源用于第一终端发送反馈信息。
  34. 根据权利要求33所述的旁链路反馈资源的确定装置,其中,所述旁链路SL反馈资源,满足以下至少之一:
    所述SL反馈资源为分布式资源;
    所述SL反馈资源为集中式资源;
    所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
  35. 根据权利要求34所述的旁链路反馈资源的确定装置,其中,在所述SL反馈资源为分布式资源的情况下,所述第一确定单元,用于执行以下至少之一:
    确定所述SL反馈资源占用的带宽;
    确定所述SL反馈资源占用的频域资源粒度;
    确定所述SL反馈资源的频域资源间隔;
    确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项。
  36. 根据权利要求34所述的旁链路反馈资源的确定装置,其中,在所述SL反馈资源为集中式资源的情况下,所述第一确定单元,用于执行以下至少之一:
    确定所述SL反馈资源占用的带宽;
    确定所述SL反馈资源占用的频域资源粒度;
    确定所述SL反馈资源的频域资源位置和/或频域资源大小。
  37. 根据权利要求35所述的旁链路反馈资源的确定装置,其中,所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项,满足以下至少之一:
    根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置、频域 资源大小、交织interlace索引和interlace数目中的至少一项;
    根据终端标识UE ID确定所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项;
    所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为预定义或通过预设规则确定或预配置或配置的值,和/或,为媒介访问控制控制单元MAC CE、下行控制信息DCI和旁链路控制信息SCI中的至少一项指示的参数;
    所述SL反馈资源的频域资源位置、频域资源大小、交织interlace索引和interlace数目中的至少一项为在预配置的范围内随机选择的参数。
  38. 根据权利要求36所述的旁链路反馈资源的确定装置,其中,所述SL反馈资源的频域资源位置和/或频域资源大小,满足以下至少之一:
    根据时隙编号/时隙数目确定所述SL反馈资源的频域资源位置和/或频域资源大小;
    根据UE ID确定所述SL反馈资源的频域资源位置和/或频域资源大小;
    所述SL反馈资源的频域资源位置和/或频域资源大小为预定义或通过预设规则确定或预配置或配置的值,和/或,MAC CE、DCI和SCI中的至少一项指示的参数;
    所述SL反馈资源的频域资源位置和/或频域资源大小为在预配置的范围内随机选择的参数。
  39. 根据权利要求34所述的旁链路反馈资源的确定装置,其中,所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定,满足以下至少之一:
    所述SL反馈资源的资源分配方式与PSCCH和/或PSSCH的资源分配方式相同;
    所述SL反馈资源的资源结构与PSCCH和/或PSSCH的资源结构相同;
    在PSCCH和/或PSSCH的资源为集中式资源的情况下,所述SL反馈资源为集中式资源或分布式资源,其中,所述SL反馈资源为集中式资源 或分布式资源通过预定义或预配置或配置或指示确定。
  40. 根据权利要求33所述的旁链路反馈资源的确定装置,其中,所述反馈信息的序列满足以下至少之一:
    反馈信息采用序列长度为N的序列传输;
    反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
    其中,N的值满足以下之一:
    为预定义或预配置的值;
    与SCS的配置相关;
    与可用资源相关。
  41. 根据权利要求33所述的旁链路反馈资源的确定装置,其中,所述反馈信息的资源映射满足以下至少之一:
    反馈信息序列从频域资源的最低PRB开始映射;
    反馈信息序列从频域资源的最高PRB开始映射;
    反馈信息序列在每个PRB上为反馈信息序列的重复;
    与交织索引相关。
  42. 一种旁链路反馈资源的确定装置,包括:
    第一处理单元,用于在旁链路SL反馈资源上检测或接收反馈信息,其中,所述SL反馈资源用于第一终端发送反馈信息。
  43. 根据权利要求42所述的旁链路反馈资源的确定装置,其中,所述旁链路SL反馈资源,满足以下至少之一:
    所述SL反馈资源为分布式资源;
    所述SL反馈资源为集中式资源;
    所述SL反馈资源根据物理旁链路控制信道PSCCH和/或物理旁链路共享信道PSSCH的资源分配或资源结构确定。
  44. 根据权利要求42所述的旁链路反馈资源的确定装置,其中,所述反馈信息的序列满足以下至少之一:
    反馈信息采用序列长度为N的序列传输;
    反馈信息接收端设备根据预定义或预配置的序列长度检测所述反馈信息;
    其中,N的值满足以下之一:
    为预定义或预配置的值;
    与SCS的配置相关;
    与可用资源相关。
  45. 根据权利要求42所述的旁链路反馈资源的确定装置,其中,所述反馈信息的资源映射满足以下至少之一:
    反馈信息序列从频域资源的最低PRB开始映射;
    反馈信息序列从频域资源的最高PRB开始映射;
    反馈信息序列在每个PRB上为反馈信息序列的重复;
    与交织索引相关。
  46. 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16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17至32任一项所述的旁链路反馈资源的确定方法的步骤。
  47. 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17至32任一项所述的旁链路反馈资源的确定方法的步骤。
  48. 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16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17至32任一项所述的旁链路反馈资源的确定方法的步骤。
  49. 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16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17至32任一项所述的旁链路反馈资源的确定方法的步骤。
  50. 一种计算机程序/程序产品,所述计算机程序/程序产品被存储在非易失的存储介质中,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16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17至32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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