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 PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/40—Resource management for direct mode communication, e.g. D2D or sidelink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control 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
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Claims (50)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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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