WO2023131229A1 - 由用户设备执行的方法以及用户设备 - Google Patents

由用户设备执行的方法以及用户设备 Download PDF

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Publication number
WO2023131229A1
WO2023131229A1 PCT/CN2023/070653 CN2023070653W WO2023131229A1 WO 2023131229 A1 WO2023131229 A1 WO 2023131229A1 CN 2023070653 W CN2023070653 W CN 2023070653W WO 2023131229 A1 WO2023131229 A1 WO 2023131229A1
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resource
optionally
cooperation
information
another example
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PCT/CN2023/070653
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English (en)
French (fr)
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罗超
赵毅男
刘仁茂
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夏普株式会社
罗超
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Publication of WO2023131229A1 publication Critical patent/WO2023131229A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/26—Resource reservation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present invention relates to a method performed by user equipment and user equipment.
  • SL (sidelink, sidelink, or simply sidelink) communication (for example, when configured as SL resource allocation mode 2) can support UE (User Equipment, user equipment) inter-cooperation function, for example, two or more Coordination on resource allocation among multiple UEs.
  • the inter-UE cooperation function needs to solve a series of problems, for example, how to determine two or more UEs related to the inter-UE cooperation; another example, how to determine one or more messages related to the inter-UE cooperation and their respective use Definition, configuration, mapping, transmission and reception of resources.
  • Non-Patent Document 1 RP-152293, New WI proposal: Support for V2V services based on LTE sidelink
  • Non-Patent Document 2 RP-170798, New WID on 3GPP V2X Phase 2
  • Non-Patent Document 3 RP-170855, New WID on New Radio Access Technology
  • Non-Patent Document 4 RP-190766, New WID on 5G V2X with NR sidelink
  • Non-Patent Document 5 RP-201385, WID revision: NR sidelink enhancement
  • the present invention provides a method performed by user equipment and the user equipment, by determining resource indications of different lengths for different resource pool size ranges and combining the corresponding MAC CE field types, effectively The overhead of indicating a set of coordinated resources in the MAC CE is reduced, so that the transmission of the coordinated information between UEs can be efficiently completed.
  • a method performed by user equipment is proposed, which is characterized by comprising: receiving a cooperation information MAC CE in the resource pool u; and determining a cooperation information MAC CE on the resource pool u according to the cooperation information MAC CE A collection of collaborative resources R.
  • the cooperative resource set corresponds to one or more resource indication combinations indicated in the cooperation information MAC CE, wherein each indicated resource indication combination includes a time resource indicator value, a frequency resource indicator value, and a The resource reservation period value, and the type of the MAC CE field corresponding to each resource indication combination is determined by the number of channels in the resource pool u.
  • a user equipment including: a processor; and a memory storing instructions, wherein the instructions execute the above method when executed by the processor.
  • the present invention provides a method, by determining the types of MAC CE fields corresponding to resource indication combinations of different lengths for different resource pool size ranges, effectively reducing the overhead of indicating a coordinated resource set indication in the MAC CE, The transmission of cooperation information between UEs can be efficiently completed.
  • Fig. 1 shows that according to TRIV (Time Resource Indicator Value, or Time RIV, time resource indicator value) determines the number (N) of indicated resources, the time slot where the second resource is located relative to the time slot where the first resource is located The offset (t 1 ) of the slot and the offset (t 2 ) of the time slot where the third resource is located relative to the time slot where the first resource is located.
  • TRIV Time Resource Indicator Value, or Time RIV, time resource indicator value
  • Fig. 2 shows that according to FRIV (Frequency Resource Indicator Value, or Frequency RIV, frequency resource indicator value) determines the starting subchannel of the second resource The starting subchannel of the third resource And the method of the number of consecutive sub-channels (L subCH ) corresponding to each resource.
  • FRIV Frequency Resource Indicator Value, or Frequency RIV, frequency resource indicator value
  • Fig. 3 shows a flowchart corresponding to a method executed by a user equipment according to Embodiment 1 of the present invention.
  • FIG. 4 shows an example of a first RIC (Resource Indication Combination, resource indication combination, or called Resource Combination, resource combination) control element type.
  • Figure 5 shows an example of a second RIC control element type.
  • Figure 6 shows an example of a third RIC control element type.
  • Figure 7 shows an example of a fourth RIC control element type.
  • Fig. 8 shows an example of a fifth RIC control element type.
  • Fig. 9 shows a block diagram of a user equipment UE involved in the present invention.
  • 5G or called NR ("New Radio"), or called 5G NR
  • 5G NR New Radio
  • 5G Advanced evolution version
  • the present invention is not limited to the following embodiments, but is applicable to more other wireless communication systems, such as communication systems after 5G and 4G mobile communication systems before 5G.
  • the term that the present invention provides may adopt different nomenclatures in LTE (Long Term Evolution, long-term evolution), LTE-Advanced, LTE-Advanced Pro, NR and subsequent communication systems, but adopts unified term in the present invention, in When applied to a specific system, it can be replaced by the term used in the corresponding system.
  • eNB may refer to a 4G base station.
  • eNB can provide UE with the termination of E-UTRA (Evolved UMTS Terrestrial Radio Access) user plane and control plane protocols; another example, eNB can connect to EPC (Evolved Packet Core) through S1 interface.
  • E-UTRA Evolved UMTS Terrestrial Radio Access
  • EPC Evolved Packet Core
  • ng-eNB may refer to enhanced 4G base station.
  • ng-eNB can provide UE with the termination of E-UTRA user plane and control plane protocol; another example, ng-eNB can connect to 5GC (5G Core Network, 5G core network) through NG interface.
  • 5GC 5G Core Network, 5G core network
  • gNB may refer to a 5G base station.
  • the gNB can provide the termination of the NR user plane and control plane protocols to the UE; for another example, the gNB can connect to the 5GC through the NG interface.
  • ⁇ represents a subcarrier spacing configuration (subcarrier spacing configuration, or SCS configuration), such as a subcarrier spacing configuration configured in a resource grid, or a subcarrier spacing configuration configured in a carrier Interval configuration
  • another example is a BWP (Bandwidth Part, bandwidth segment; for example, UL (uplink, uplink) BWP, another example is DL (downlink, downlink) BWP, and another example is the subcarrier spacing configuration configured in SL BWP)
  • Another example is the subcarrier spacing configuration corresponding to a link (for example, UL, or DL, or SL).
  • ⁇ a 1 ,..., a N ⁇ can represent an ordered set arranged in increasing order of the value of the elements in the set or the index of the elements in the set; where, if a N ⁇ a 1 , then " ⁇ a 1 ,...,a N ⁇ " can represent an empty set
  • ⁇ 1,...,3 ⁇ can represent ⁇ 1,2,3 ⁇
  • ⁇ 1,...,1 ⁇ can represent ⁇ 1 ⁇
  • ⁇ 1,...,0 ⁇ can represent
  • symbol may refer to an OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbol.
  • length and size can be interchanged.
  • the "size" of a field in a DCI (Downlink control information, downlink control information) format may be referred to as the "length" of the field.
  • starting and lowest can be interchanged.
  • the “lowest subcarrier” of a carrier may be referred to as the “starting subcarrier” of that carrier.
  • starting and first can be interchanged.
  • start symbol the “first symbol” of a slot
  • start symbol the “start symbol” of the slot.
  • sending and “highest” can be interchanged.
  • the "highest subcarrier” of a carrier may be referred to as the "end subcarrier” of that carrier.
  • ending and “last” can be interchanged.
  • the "last symbol” of a slot may be referred to as the "end symbol” of the slot.
  • Number and “Index” can be interchanged.
  • the 12 subcarriers in a resource block can be respectively numbered (or indexed) as subcarrier 0, subcarrier 1, ..., subcarrier 11 in order of frequency from low to high; correspondingly, the numbers of these subcarriers ( or index) are 0, 1, ..., 11, respectively.
  • a “resource” can correspond to one or more of the following:
  • the starting symbol of the resource For example, the starting symbol of the resource; another example, the starting time slot of the resource; another example, the number of symbols occupied by the resource; and another example, the number of time slots occupied by the resource.
  • the starting subchannel of the resource For example, the starting subchannel of the resource; another example, the starting resource block of the resource; another example, the starting subcarrier of the resource; another example, the number of subchannels occupied by the resource; , the number of resource blocks occupied by the resource; as another example, the number of subcarriers occupied by the resource.
  • One or more parameters on the code field For example, the cyclic shift (cyclic shift) or the corresponding cyclic shift index corresponding to the resource; another example, the cyclic shift pair (cyclic shift pair) or the corresponding cyclic shift pair index corresponding to the resource.
  • the MIMO Multiple Input Multiple Output
  • the MIMO Multiple Input Multiple Output layer corresponding to the resource.
  • any two of "in X", “in X” and “on X” are interchangeable; where X can be one or more carriers, or one or more BWPs, or One or more resource pools, or one or more links (such as UL, or DL, or SL), or one or more channels, or one or more sub-channels, or one or more RBG (Resource Block Group, resource block group), or one or more RB (Resource Block, resource block), or one or more "occasion” (occasion, such as PDCCH (Physical Downlink Control Channel, physical downlink control channel) monitoring Timing, such as PSSCH (Physical Sidelink Shared Channel, physical sidelink shared channel) transmission timing, and PSSCH receiving timing, and PSFCH (Physical Sidelink Feedback Channel, physical sidelink feedback channel) monitoring timing, and PSFCH transmission timing, Another example is the receiving timing of PSFCH, and the monitoring timing of PSCCH (Physical Sidelink Control Channel, physical sidelink control channel), and the timing of PSCCH transmission, and the
  • “higher layer(s), or upper layer(s)” may refer to one or more layers above a reference protocol layer (or reference protocol sublayer) in a protocol stack. Multiple protocol layers or protocol sublayers.
  • the "high layer” may refer to the MAC (Medium Access Control, Media Access Control) layer, or the RLC (Radio Link Control, Radio Link Control Protocol) layer, or the PDCP ( Packet Data Convergence Protocol, packet data convergence protocol) layer, or RRC (Radio Resource Control, radio resource control) layer, or PCS-S layer, or PC5 RRC layer, or V2X (Vehicle-to-everything, vehicle to everything) layer , or the application layer, or the V2X application layer, and so on.
  • the reference protocol layer (or reference protocol sublayer) may refer to a physical layer.
  • lower layer(s) may refer to one or more protocol layers or protocol sublayers below a reference protocol layer (or reference protocol sublayer) in a protocol stack.
  • the reference protocol layer is the MAC layer
  • the "lower layer” may refer to the physical layer.
  • the reference protocol layer (or reference protocol sublayer) may refer to the RRC layer, or the PC5 RRC layer, or the MAC layer.
  • pre-configure may indicate that pre-configuration is performed in a high layer (eg RRC layer) protocol.
  • a high layer eg RRC layer
  • preset for example, preset according to the specification of the high-level protocol
  • preset for example, preset according to the specification of the high-level protocol
  • preset for example, preset according to the specification of the high-level protocol
  • configure may indicate that configuration is performed through signaling in a high-level protocol. For example, it is configured for UE through RRC signaling transmitted from the base station to UE, and for UE-2 through PC5 RRC signaling transmitted from UE-1 to UE-2.
  • any two of “configure”, “indicate” and “provide” can be interchanged, “configured by", “configured by... Any two of “(indicated by%) and “provided by" are interchangeable.
  • ⁇ (x 1 , x 2 ) represents the offset between x 1 and x 2 (offset between x 1 and x 2 ), or called the offset of x 2 relative to x 1 (offset of x 2 with respect to x 1 , or offset of x 2 relative to x 1 ), or called offset from x 1 to x 2 (offset from x 1 to x 2 ), wherein, the x 1 and the x 2 can be two comparable parameters, or two values of a parameter (such as two time slots, or two subframes, or two half frames, or two frames, or two subcarriers, Another example is two resource blocks, another example is two resource block groups, another example is two subchannels, etc.), for example, in the set in, remember Then ⁇ (x 1 , x 2 ) can be defined as ji, or as Optionally, if ⁇ (x 1 , x 2 )>0, then the x 1 is smaller (or lower, or earlier) than the
  • the x 1 is greater than (or higher than, or later than) the x 2 .
  • the x 1 is equal to the x 2 .
  • time-domain resources may be referred to as time resources, and vice versa.
  • the numbering of time-domain resources may start from 0, or start from 1.
  • the set of slots in a subframe can be denoted as ⁇ 0, 1 ⁇ by the corresponding set of slot numbers, or as ⁇ 1, 2 ⁇ .
  • a frame may be a system frame (system frame), and the corresponding frame number may be called a system frame number (system frame number, SFN).
  • System frames corresponding to the same SFN may appear periodically, for example, at a period of 1024 frames.
  • the SFNs within one system frame period may be 0, 1, . . . , 1023, respectively.
  • the duration of one system frame may be 10 milliseconds, and correspondingly, the duration of one system frame period may be 10240 milliseconds.
  • a frame can be a direct frame, and the corresponding frame number can be called a direct frame number (DFN).
  • Direct frames corresponding to the same DFN may appear periodically, for example, at a period of 1024 frames.
  • DFNs within a direct frame period may be 0, 1, . . . , 1023, respectively.
  • the duration of a direct frame may be 10 milliseconds, and correspondingly, the duration of a direct frame period may be 10240 milliseconds.
  • the number of a time slot may be the number of the time slot in the corresponding subframe.
  • the set of corresponding slot numbers is in is the number of slots in a subframe.
  • the number of a time slot may be the number of said time slot in the corresponding field frame.
  • the set of corresponding slot numbers is in is the number of slots in a field. can be related to ⁇ , e.g.
  • the number of a time slot may be the number of the time slot in a corresponding frame (such as a system frame, or a direct frame).
  • the set of corresponding slot numbers is in is the number of slots in a frame.
  • the number of a time slot may be the number of the time slot in the corresponding frame period (eg, system frame period, or direct frame period).
  • the set of corresponding slot numbers is in is the number of time slots in a frame period.
  • a collection of all slots within a predefined or configured or preconfigured period of time (eg, one subframe; another example, one half-frame; another example, one frame; another example, one frame period) It may be called a "physical time slot set”, wherein each time slot may be called a "physical time slot”, and the corresponding time slot number may be called a "physical time slot number”.
  • a frame period the set of physical time slots can be recorded as For example,
  • frequency-domain (frequency-domain) resources may also be called frequency (frequency) resources.
  • the resource block can refer to VRB (virtual resource block, virtual resource block), or PRB (physical resource block, physical resource block), or CRB (common resource block, public resource block), or defined in other ways resource blocks.
  • VRB virtual resource block, virtual resource block
  • PRB physical resource block, physical resource block
  • CRB common resource block, public resource block
  • the numbering of frequency domain resources may start from 0, or start from 1.
  • the set of subchannels in the resource pool can be expressed as a set of corresponding subchannel numbers as or expressed as
  • a set of subcarriers in a resource block may be expressed as ⁇ 0, 1, ..., 11 ⁇ , or as ⁇ 1, 2, ..., 12 ⁇ by a set of corresponding subcarrier numbers.
  • the offset between two subcarriers may refer to the offset between the center frequencies of the two subcarriers, for example expressed by the number of subcarriers, or by the number of resource blocks.
  • the offset between two resource blocks may refer to the offset between the center frequencies of the lowest-numbered subcarriers of the two resource blocks, for example expressed in the number of resource blocks, or in subcarriers Number representation.
  • SCI Segment Control Information, sideline control information
  • SCI transmission or an SCI reception
  • SCI transmission corresponds to an SCI format (such as a A first-stage SCI format, such as a second-stage SCI format), or a combination of SCI formats (for example, a first-stage SCI format and a corresponding second-stage SCI format).
  • SCI format such as a A first-stage SCI format, such as a second-stage SCI format
  • a combination of SCI formats for example, a first-stage SCI format and a corresponding second-stage SCI format
  • an "SL transmission" may include one or more of the following:
  • S-SS/PSBCH Sidelink-Synchronization Signal/Physical Sidelink Broadcast Channel, Sidelink-Synchronization Signal/Physical Sidelink Broadcast Channel, or S-SSB transmission.
  • an "SL resource” is a resource that can be used for SL transmission and/or SL reception.
  • resource pool can be replaced with "SL resource pool”.
  • SL time slot set A collection of time slots in a pool is called an "SL time slot set", each element in which may correspond to an "SL time slot”, and the corresponding index may be called an "SL time slot index".
  • T max is the SL slot set The number of elements in .
  • the set of SL time slots Two adjacent SL slots within (eg slot and slots ) respectively corresponding physical time slots may be adjacent or non-adjacent.
  • the set can be a collection of physical slots in the The set of remaining time slots after excluding the time slots in each of the following sets:
  • one S-SSB time slot may be a time slot configured with S-SSB.
  • a non-SL slot can be a slave symbol start of continuation A slot in which at least one of the symbols is not configured as a UL symbol, where Indicates the start symbol (for example, configured by the parameter sl-StartSymbol) for SL in a time slot (for example, a non-S-SSB time slot), Indicates the number of symbols used for SL in a time slot (for example, a non-S-SSB time slot) (for example, configured by the parameter sl-LengthSymbols).
  • a non-SL slot is always a slot with no S-SSB configured.
  • N reserved (10240 ⁇ 2 ⁇ -N S_SSB -N nonSL ) mod L bitmap , wherein L bitmap can be a high-level The length of a bitmap configured).
  • the resources in the resource pool u may be called a "logical time slot set", wherein each time slot may be called a "logical time slot", and the corresponding time slot number may be called a "logical time slot number".
  • a frame period such as a system frame period, such as a direct frame period
  • the set of logical time slots can be recorded as in is the set of logical slots The number of elements in .
  • the set of logical time slots Two adjacent logical time slots within (eg time slot and slots ) respectively corresponding SL time slots (or physical time slots) may be adjacent or non-adjacent.
  • ⁇ (t 1 , t 2 ) may refer to the offset between the physical time slots corresponding to the time slot t 1 and the time slot t 2 respectively (for example, indicating the number of milliseconds in the corresponding time interval, or the number of physical time slots), or the offset between the SL time slots corresponding to the time slot t1 and the time slot t2 respectively, or the The offset between the logical time slots corresponding to the time slot t1 and the time slot t2 respectively.
  • time slot t 1 PREV(t 2 , D).
  • a time window (or "time interval”, for example denoted as W)
  • LEN (W) LEN (W)
  • Resource allocation methods related to SL operations may include:
  • Mode 1 (Mode 1, or resource allocation mode 1, Resource Allocation Mode 1, or sidelink resource allocation mode 1, Sidelink Resource Allocation Mode 1): the base station schedules resources for SL transmission.
  • UE determines resources for SL transmission (that is, the base station does not participate in SL transmission resource scheduling). For example, a UE performing an SL transmission operation autonomously determines resources for SL transmission.
  • a high-level parameter eg sl-MaxNumPerReserve
  • the N resources can be respectively referred to as "the first resource", ..., "the Nth resource” in chronological order, wherein, the time slot where the first resource is located (for example, denoted as ) may be the time slot where the PSCCH is transmitted (or called “the time slot where the SCI is located", or "the time slot where the SCI is received"), and the time slot where each other resource is located may be Expressed as its relative to the time slot
  • the time slot offset of for example, the time slot where the second resource is located (for example, denoted as )It can be expressed as
  • the N resources correspond to the same number of subchannels (for example, denoted as LsubCH, for example, representing LsubCH consecutively allocated subchannels).
  • the initial subchannel of the first resource (that is, the initial subchannel of the corresponding SL transmission, for example, is denoted as ) is the subchannel where the starting resource block of the PSCCH transmission is located, and the starting subchannels of other resources (for example, the starting subchannels of the second resource and the third resource are respectively denoted as and ) and L subCH may be determined according to the FRIV indicated by the "frequency resource allocation" field in the SCI, for example, as shown in FIG. 2 . If N ⁇ N MAX , the subchannels corresponding to the last N MAX -N resources indicated by FRIV will not be used.
  • SL resource reservation process The above process of determining the time domain and frequency domain parameters of the N resources may be referred to as "SL resource reservation process”.
  • inter-UE coordination inter-UE coordination, or simply "cooperation"
  • inter-UE coordination for example, between two or more UEs in resource allocation and/or or reservation and/or indication and/or use to improve the efficiency of resource allocation and/or reservation and/or indication and/or use, and/or to reduce resource allocation and/or reservation and/or indication and/or usage conflicts, and/or mitigation and/or elimination of interference, etc.
  • a UE may send a message to one or more other UEs (for example, if there is only one other UE, it may be called UE-B; for another example, if there are more than one other UE , which can be referred to as UE-B1, UE-B2, ...) respectively transmit "inter-UE coordination information" (inter-UE coordination information, or “coordination information", coordination information), where the coordination information can be explicitly or implicitly indicates (or corresponds to, or associates with) one or more collections of resources (for example, calling each such collection of resources a "collection of collaborative resources", and correspondingly, calling each collection of resources in a collection of resource is a "Collaboration Resource").
  • inter-UE coordination information inter-UE coordination information, or “coordination information", coordination information
  • a UE may support one or more coordination schemes.
  • Different collaboration schemes may correspond to different ways of determining collaboration information, and/or content of collaboration information (such as content of a corresponding collaboration resource set), and/or conditions and/or methods for triggering transmission of collaboration information, and/or transmission How to collaborate on information, and so on.
  • the resources in a collaborative resource set may be "preferred resources", and accordingly, the collaborative resource set may be called “a set of preferred resources”.
  • resources the coordination information including a "preferred resource set” may be called “preferred co-ordination information” (preferred co-ordination information, or "preferred inter-UE co-ordination information", preferred inter-UE co-ordination information).
  • a priority resource indicated by UE-A to UE-B may be a resource that UE-A wants UE-B to use (or preferentially use), for example, when the execution destination is SL of UE-A while transmitting.
  • the UE-B may perform resource selection or resource reselection based on one or more resource sets, where the one or more resource sets may include the coordinated resource set (for example, called collection ), and/or the resource set identified by the UE-B based on its own sensing results (for example, called the set S SNS ); specifically, for example, if the set The number of resources in the intersection with the set S SNS is greater than (or greater than or equal to) a certain threshold, then the UE-B is based on the set The intersection with said set S SNS performs resource selection or resource reselection.
  • the one or more resource sets may include the coordinated resource set (for example, called collection ), and/or the resource set identified by the UE-B based on its own sensing results (for example, called the set S SNS ); specifically, for example, if the set The number of resources in the intersection with the set S SNS is greater than (or greater than or equal to) a certain threshold, then the UE-B is based on the set
  • the resources in a cooperative resource set may be “non-preferred resources", and accordingly, the cooperative resource set may be called a "non-preferred resource set”.
  • the cooperation information containing a "non-preferred resource set” can be called “non-preferred co-ordination information” (non-preferred co-ordination information, or “non-preferred inter-UE cooperation information ", non-preferred inter-UE co-ordination information).
  • a non-priority resource indicated by UE-A to UE-B may be a resource that UE-A wishes UE-B not to use (or preferably not to use, or preferentially excluded), for example, when executing the target UE (destination UE) is the SL transmission time of the UE-A.
  • the UE-B may perform resource selection or resource reselection based on one or more resource sets, where the one or more resource sets may include the non-preferred resource set ( collection ), and/or the resource set S SNS identified by the UE-B based on its own sensing results; specifically, for example, the UE-B is performing resource selection or resource reselection (for example, when based on the set When SNS performs resource selection or resource reselection), it can exclude the set Resources that overlap resources in .
  • the transmission of the cooperation information may be triggered by the UE transmitting the cooperation information according to one or more predefined or configured or preconfigured conditions.
  • the condition for UE-A to transmit the cooperation information to UE-B may include that UE-A performs resource selection (or reselection) for a transport block, where the target UE of the transport block is UE-B.
  • the coordination information may be a response to a "coordination request” (coordination request, or “explicit coordination request”, explicit coordination request, or “explicit request”, explicit request), or by the The "Collaboration Request” trigger described above.
  • UE-B transmits a cooperation request to UE-A, which is used to request a set of cooperative resources (for example, requesting a set of priority resources; another example, requesting a set of non-priority resources); as a response to the cooperation request,
  • the UE-A may determine a corresponding set of coordinated resources, and indicate the set of coordinated resources in the coordinated information transmitted to the UE-B.
  • part or all of the collaboration information may be included in the SL control information.
  • the SL control information may be physical layer control information, or high layer control information.
  • part or all of the collaboration information may be included in the first-stage SCI.
  • part or all of the collaboration information may be included in the second-stage SCI.
  • part or all of the collaboration information may be included in SFCI (sidelink feedback control information, sidelink feedback control information).
  • part or all of the coordination information may be included in other SL control information (for example, SCCI, sidelink coordination control information, sidelink coordination control information).
  • part or all of the cooperation information may be included in high-layer (such as MAC layer, or RRC layer) signaling.
  • part or all of the cooperation information may be included in a MAC CE (MAC Control Element, MAC Control Element).
  • part or all of the coordination information may be included in one RRC message.
  • part or all of the information in the cooperation request may be included in the SL control information.
  • the SL control information may be physical layer control information, or high layer control information.
  • part or all of the information in the cooperation request may be included in the first-stage SCI.
  • part or all of the information in the cooperation request may be included in the second-stage SCI.
  • part or all of the information in the collaboration request may be included in the SFCI.
  • part or all of the information in the cooperation request may be included in other SL control information (such as SCCI).
  • part or all of the information in the cooperation request may be included in a higher layer (such as MAC layer, or RRC layer) signaling.
  • a higher layer such as MAC layer, or RRC layer
  • part or all of the information in the collaboration request can be included in one MAC CE.
  • part or all of the information in the cooperation request may be included in one RRC message.
  • the first cooperation scheme may be configured or preconfigured or indicated as enabled or disabled.
  • each resource pool may be configured or preconfigured or indicated whether to enable (or disable) the first cooperation scheme.
  • the manner of enabling (or disabling) the first cooperation scheme may include a semi-static manner (for example, configured or pre-configured through a high-level protocol), and/or a dynamic manner (for example, indicated in the SCI) .
  • enabling the first cooperation scheme means enabling transmission and/or reception of a cooperation request, and/or transmission and/or reception of cooperation information.
  • Embodiment 1 of the present invention The method performed by the user equipment according to Embodiment 1 of the present invention will be described below with reference to FIG. 1 .
  • Fig. 1 shows a flowchart corresponding to a method executed by a user equipment according to Embodiment 1 of the present invention.
  • steps performed by a user equipment UE include: step S101 and step S103.
  • a first cooperation request is transmitted.
  • the first cooperation request is transmitted on the resource pool u CR .
  • the first cooperation request is used to request cooperation information (for example, a set of cooperation resources, and/or other cooperation information) from another UE (for example, UE-A).
  • cooperation information for example, a set of cooperation resources, and/or other cooperation information
  • part of the information included in the first collaboration request is called the first part of the first collaboration request, and the rest of the information is called the second part of the first collaboration request.
  • the first collaboration request corresponds to a source layer 2 identifier (for example, called “first source layer 2 identifier”) and a destination layer 2 identifier (for example, called “first destination layer 2 identifier”) ”), wherein the first source layer 2 identifier may be used to identify the UE-B, and the first destination layer 2 identifier may be used to identify the UE-A.
  • first source layer 2 identifier for example, called “first source layer 2 identifier”
  • first destination layer 2 identifier for example, called “first destination layer 2 identifier”
  • SL transmission may be referred to as the "initial transmission” (initial transmission) of the first cooperation request, SL transmission if any) may be referred to as a "re-transmission" of the first collaboration request.
  • SL transmits The first collaboration request and SL transmission carried in
  • the information in the first cooperation request carried in may be completely the same, or partly the same. For example, if a future time slot is included in the first cooperation request Indicated as an offset relative to the time slot where the SL transmission carrying the SL request is located, then the SL transmission The first collaboration request and the SL transmission carried in The first cooperation request carried in respectively indicates and and
  • SL transmission Associate the same broadcast mode (cast type), such as unicast (unicast).
  • broadcast mode such as unicast (unicast).
  • SL transmission Associated with the same first-stage SCI format (for example, referred to as the first SCI format).
  • SL transmits and SL transmission
  • the same first stage SCI format may be associated, or different first stage SCI formats may be associated.
  • SL transmission Associated with the same second-stage SCI format (for example, referred to as the second SCI format).
  • SL transmits and SL transmission
  • the same second stage SCI format may be associated, or a different second stage SCI format may be associated.
  • the SL transfer does not contain any information in the first cooperation request.
  • SL transmits
  • the associated first-stage SCI format contains part or all of the information in the first cooperation request (for example, the first part of the first cooperation request, or the second part of the first cooperation request, or the The first part of the first collaboration request and the second part of the first collaboration request).
  • SL transmits
  • the associated second-stage SCI format does not contain any information in the first collaboration request.
  • the associated second stage SCI format contains part or all of the information in the first cooperation request (for example, the first part of the first cooperation request, or the second part of the first cooperation request, or the The first part of the first collaboration request and the second part of the first collaboration request).
  • SL transmits
  • the source identifier indicated in the associated second stage SCI format is the source layer 1 identifier to which said first source layer 2 identifier corresponds (e.g., the 8 least significant bits of said first source layer 2 identifier) .
  • SL transmits
  • the destination identifier indicated in the associated second stage SCI format is the destination layer 1 identifier to which said first destination layer 2 identifier corresponds (e.g., the 16 least significant bits of said first destination layer 2 identifier ).
  • SL transmission The associated second-stage SCI format indicates the same "HARQ feedback enabled/disabled indicator" (HARQ feedback enabled/disabled indicator) value, such as “enabled” (enabled), and “disabled” ( disabled).
  • HARQ feedback enabled/disabled indicator HARQ feedback enabled/disabled indicator
  • SL transmits and SL transmission
  • the "HARQ feedback enable/disable indicator" values indicated in the associated second-stage SCI formats may be the same or different.
  • SL transmits A "cooperation request MAC CE" may be included in the transport block carried.
  • the cooperation request MAC CE contains part or all of the information in the first cooperation request (for example, the first part of the first cooperation request, or the second part of the first cooperation request, or the first part of the first collaboration request and the second part of the first collaboration request).
  • a collaboration request identifier (for example, referred to as "the first collaboration request identifier") is indicated in the first collaboration request.
  • the first cooperation request identifier may be an integer randomly generated by the UE-B.
  • the first cooperation request corresponds to a "cooperation response window" (for example, denoted as The corresponding starting time slot is End slot is size is ).
  • the cooperation response window may be used to indicate a time range for performing a receiving operation on a response to the first cooperation request. For example, if in the time slot (or or If the response is not received after the end of ), then the response is no longer received.
  • the time slot and and one or more of the N CRs can be equal to or or
  • the time slot with the slot can be equal to or or
  • the cooperation response timer may be maintained by the UE-B MAC layer entity; the value of the cooperation response timer (or called "initial value”) may be equal to
  • the first cooperation request corresponds to a "cooperation resource window" (or called a “cooperation resource selection window”, for example, denoted as The corresponding starting time slot is End slot is size is ).
  • the cooperative resource window may be used to indicate the range of time slots where the cooperative resources in the requested cooperative resource set are located. For example, the time slot where any one of the coordination resources is located is no earlier than (or or ). As another example, the time slot where any one of the collaboration resources is located is no later than (or or ).
  • one or more parameters of the collaboration resource window is indicated by the first collaboration request.
  • the first collaboration request For example, for one or more of i ⁇ ⁇ 1,...,N CR ⁇ , at slot
  • One or more of the following is indicated in the first collaboration request transmitted in :
  • the time slot with the slot can be equal to or or
  • the time slot with the slot related.
  • It may be a predefined or configured or preconfigured value, or determined by one or more predefined or configured or preconfigured parameters, or indicated by the first cooperation request.
  • a collaborative resource set type (for example, called “the first collaborative resource set type") is indicated in the first collaboration request.
  • the first collaborative resource set type may indicate the type of the requested collaborative resource set, such as "priority resource set", or "non-priority resource set”.
  • information related to the data to be transmitted by the UE-B is indicated in the first cooperation request, such as transmission priority, and the corresponding resource of each resource
  • the number of sub-channels is another example of the resource reservation period.
  • the first part of the first collaboration request includes part or all of time-related information in the first collaboration request, for example and one or more of the .
  • first cooperation information is obtained.
  • the first cooperation information may be a response of the UE-A to the first cooperation request. For example, receiving (for example, receiving in the resource pool u CI ) one or more SL transmissions, and determining the SL transmission for carrying the first cooperation information (for example, using the determined SL transmission for carrying the first cooperation information)
  • the time slots where the SL transmission of information is located are recorded in chronological order as The corresponding SL transmissions are denoted as where N CI ⁇ 1.
  • N CI 0 may correspond to a situation in which no SL transmission for carrying the first cooperation information is received).
  • the SL transmission It may be part or all of all SL transmissions actually transmitted by the UE-A and used to carry the first coordination information.
  • the first cooperation condition may include one or more of the following (arbitrarily combined in the manner of "and” or "or"):
  • the source identifier indicated in the second stage SCI format associated with the SL transmission is equal to the 8 least significant bits of the first destination layer 2 identifier.
  • the destination identifier indicated in the second stage SCI format of the SL transport association is equal to the 16 least significant bits of the first source layer 2 identifier.
  • the transmission block corresponding to the SL process associated with the SL transmission contains a cooperation information MAC CE.
  • ⁇ The value indicated by the DST field in the MAC PDU subheader in the transport block corresponding to the SL process associated with the SL transmission is equal to the 8 most significant bits of the first source layer 2 identifier.
  • the value indicated by the SRC field in the MAC PDU subheader in the transport block corresponding to the SL process associated with the SL transmission is equal to the 16 most significant bits of the first destination layer 2 identifier.
  • the SCI format of the first stage associated with the SL transmission includes part or all of the first cooperation information.
  • the second stage SCI format associated with the SL transmission includes part or all of the first cooperation information.
  • the cooperation information contained in the SL transmission indicates a cooperation request identifier, and the cooperation request identifier is equal to the first cooperation request identifier.
  • the cooperation information included in the SL transmission indicates a type of a coordination resource set, and the type of the coordination resource set is equal to the first type of the coordination resource set.
  • the first collaboration information is related to the first source layer 2 identifier (or the first source layer 1 identifier) and/or the first destination layer 2 identifier (or the first Collaboration information associated with a destination layer 1 identifier).
  • the cooperation information received from a UE different from UE-A does not belong to the first cooperation information.
  • part of the information in the first cooperation information is called the first part of the first cooperation information, and the rest of the information is called the second part of the first cooperation information.
  • SL transmission Associated with the same first-stage SCI format (for example, called the third SCI format).
  • SL transmits and SL transmission
  • the same first stage SCI format may be associated, or different first stage SCI formats may be associated.
  • SL transmission Associated with the same second stage SCI format (for example called the fourth SCI format).
  • SL transmits and SL transmission
  • the same second stage SCI format may be associated, or different second stage SCI formats may be associated.
  • SL transmits
  • the associated first-stage SCI format does not contain any information in the first collaboration information.
  • the associated first-stage SCI format may contain part or all of the first cooperation information (for example, the first part of the first cooperation information, or the second part of the first cooperation information, or the first a first part of the collaboration information and a second part of the first collaboration information).
  • SL transmits
  • the associated second-stage SCI format does not contain any information in the first cooperation information.
  • the associated second-stage SCI format may contain part or all of the first cooperation information (for example, the first part of the first cooperation information, or the second part of the first cooperation information, or the first a first part of the collaboration information and a second part of the first collaboration information).
  • SL transmission The associated second-stage SCI format indicates the same "HARQ feedback enable/disable indicator" value, for example, "enable”, or "disable".
  • SL transmits and SL transmission
  • the "HARQ feedback enable/disable indicator" value indicated in the associated first-stage SCI format or second-stage SCI format may be the same or different.
  • SL transmits A "cooperation information MAC CE" may be included in the transport block carried.
  • the cooperation information MAC CE includes part or all of the first cooperation information (such as the first part of the first cooperation information, or the second part of the first cooperation information, or the first a first part of the collaboration information and a second part of the first collaboration information).
  • the first collaboration information includes M RIC (Resource Indication Combination, resource indication combination, or Resource Combination, resource combination) information, where the value range of M can be determined by one or more predetermined Defined or configured or preconfigured parameters are determined, for example M ⁇ M min , or M ⁇ M max .
  • M max (or M max +1, or M max -1) may be a predefined or configured or preconfigured value, or be determined by one or more predefined or configured or preconfigured parameters, or Determined by the UE-B itself, or determined in other ways.
  • M RICs may be recorded as RIC 1 , . . . , RIC M .
  • the M RICs are used to indicate a collaborative resource set (for example, marked as In addition, remember that the collaborative resource collection The resource pool in which the resource is located is ).
  • RIC m may contain one or more of TRIV m , FRIV m and P rsvp,m , where TRIV m is a TRIV(Time Resource Indicator Value , time resource indicator value), FRIV m is a FRIV (Frequency Resource Indicator Value, frequency resource indicator value), P rsvp, m is a RRP (Resource Reservation Period, resource reservation period), wherein, P rsvp, m It may represent the number of milliseconds in the resource reservation period, or the number of physical time slots, or the number of SL time slots, or the number of logical time slots.
  • RIC m can be defined as one of the following:
  • the definition and/or determination method of RIC m may be integrated with the collaboration resource related to the type.
  • the collaboration resource set is a priority resource set
  • RIC m (TRIV m , FRIV m ).
  • the collaborative resource set is a priority resource set
  • ignore P rsvp, m (TRIV m , FRIV m )
  • RIC m (TRIV m , FRIV m )
  • TRIV m and FRIV m indicate the collaborative resource set middle resources, where
  • the range of values for can be determined by one or more predefined or configured or preconfigured parameters, for example another example
  • (or or ) may be a predefined or configured or preconfigured value, or determined by one or more predefined or configured or preconfigured parameters, or determined by the UE-B itself, or determined in other ways, for example another example
  • (or or ) can be a predefined or configured or preconfigured value (for example, the value of the high layer parameter sl-MaxNumPerReserve), or determined by one or more predefined or configured or preconfigured parameters (for example, determined by the high layer parameter sl-MaxNumPerReserve determined), or determined by the UE-B itself, or determined in other ways, for example another example another example another example another example
  • the resource can be respectively referred to as the "second RIC resource", ..., "the second RIC resource” corresponding to RIC m RIC resources”; for example, if the resource and They may be respectively referred to as the second RIC resource and the third RIC resource corresponding to the RIC m (or TRIV m ).
  • m 1 ⁇ 1,...,M ⁇ , m 2 ⁇ 1,...,M ⁇ , and m 1 ⁇ m 2 can be equal, or not equal.
  • the first cooperation information indicates M "first RIC resource positions", where each "first RIC resource position” may correspond to one "first RIC resource” (for example, the M “first RIC resource positions” RIC resources” are recorded as the resource
  • the time slots in which they are located are denoted as
  • the initial subchannels are denoted as For m ⁇ ⁇ 1,...,M ⁇ , the resource
  • the number of corresponding subchannels can be equal to
  • the resource can be associated with RIC m , for example, for RIC m , resource may correspond to the "first resource” in the SL resource reservation process, resource may respectively correspond to the "second resource", ..., "second resource” in the SL resource reservation process resource”.
  • the "first RIC resource location” may refer to a time-domain location, or a frequency-domain location, or a time-domain location and a frequency-domain location of the corresponding "first RIC resource”.
  • the resource does not belong to the collection of collaboration resources (For example, the resource can be considered is a "virtual resource" used to provide a reference location for other resources).
  • ⁇ or or in Can be a predefined or configured or pre-configured value (eg another example another example ), or determined by one or more predefined or configured or preconfigured parameters, or indicated by the first cooperation request, or indicated by the first cooperation information, or with related.
  • a predefined or configured or pre-configured value eg another example another example
  • determined by one or more predefined or configured or preconfigured parameters or indicated by the first cooperation request, or indicated by the first cooperation information, or with related.
  • ⁇ for m ⁇ ⁇ 1,...,M ⁇ , or or in can be equal to in and Either of the can be a predefined or configured or preconfigured value (e.g. another example another example another example another example another example another example another example another example another example another example another example another example another example another example another example another example another example another example another example ), or determined by one or more predefined or configured or preconfigured parameters, or indicated by the first cooperation request, or indicated by the first cooperation information, or with related.
  • RIC m can be defined as one of the following:
  • TRIV m can indicate and slot offset FRIV m can indicate resources corresponding starting sub-channels respectively (for example, denoted as and resources The number of subchannels corresponding to each resource in Specifically, for example, the definitions of TRIV and FRIV in the SL resource reservation process may be appropriately modified to explain TRIV m and FRIV m respectively, where the modifications may include one or more of the following:
  • the time slot offset of the second resource is in Can be a predefined or configured or pre-configured value (eg another example another example ), or determined by one or more predefined or configured or preconfigured parameters, or indicated by the first cooperation request, or indicated by the first cooperation information, or with related.
  • the time slot offset of the third resource is in Can be a predefined or configured or pre-configured value (eg another example another example ), or determined by one or more predefined or configured or preconfigured parameters, or indicated by the first cooperation request, or indicated by the first cooperation information, or with related.
  • N could represent a resource as well as corresponding to the total number of resources).
  • sl-MaxNumPerReserveRIC sl-MaxNumPerReserve
  • the value of sl-MaxNumPerReserveRIC can be a predefined or configured or preconfigured value, or by one or more predefined or configured or The preconfigured parameters are determined, or indicated by the first cooperation request, or indicated by the first cooperation information.
  • P rsvp,m may indicate the collaborative resource set middle resources, where Can be an integer greater than or equal to 0, or an integer greater than or equal to 1. when when the The time slots where resources are located can be recorded as The corresponding resources can be denoted as Optionally, in the frequency domain, the resource Each of these is associated with the resource Corresponding to the same set of sub-channels (i.e. with for the initial subchannel consecutive subchannels).
  • P rsvp, m the number of milliseconds in the corresponding resource reservation period
  • P rsvp, m the number of logical time slots in the corresponding resource reservation period
  • P rsvp,m P rsvp,m )
  • said resource The corresponding periodically reserved resources.
  • m ⁇ ⁇ 1,...,M ⁇ equal and one of the.
  • m ⁇ ⁇ 1,...,M ⁇ in, is a predefined or configured or preconfigured value, or determined by one or more predefined or configured or preconfigured parameters, or indicated by the first cooperation request, or indicated by the first cooperation information.
  • a predefined or configured or preconfigured value or determined by one or more predefined or configured or preconfigured parameters, or indicated by the first cooperation request, or indicated by the first cooperation information.
  • one or more parameters of the collaborative resource window (such as another example another example ) and/or P rsvp, m and/or related. For example, is to make the time slot The maximum value of j that falls within the collaborative resource window.
  • the first resource reservation period condition is met, then As another example, if the first resource reservation period condition is not met, then (or, or, ). As another example, if the second resource reservation period condition is satisfied, then (or, or, ). As another example, if the second resource reservation period condition is not met, then
  • the first resource reservation period condition may include one or more of the following (arbitrarily combined in the manner of "and” or "or"):
  • the second resource reservation period condition may include one or more of the following (arbitrarily combined in the manner of "and” or "or"):
  • the first part of the first collaboration information includes one or more of the following:
  • the M RICs (for example, RIC 1 , . . . , RIC M in sequence).
  • the second part of the first collaboration information includes one or more of the following:
  • the M RICs (for example, RIC 1 , . . . , RIC M in sequence).
  • the cooperation information MAC CE includes a "cooperation information control element" field.
  • the content of the cooperation information control element field includes one or more of the following parameters (for example, arranged in the order shown below, or arranged in any other order; for example, starting from the most significant bit, and e.g. starting with the least significant digit):
  • the M RICs (for example, RIC 1 , . . . , RIC M in sequence).
  • the length and/or type of the collaboration information control element field may be related to one or more of the following:
  • the sum of the lengths of all parameters corresponding to the cooperation information control element field is not a multiple of 8 (for example, an integer multiple)
  • the parameters corresponding to the cooperation information control element field are And for m ⁇ ⁇ 1,...,M ⁇ , RIC m and The length of and but Correspondingly, add at the end of the content of the collaboration information control element field bits '0'.
  • RIC m corresponds to a "RIC m Control Element" field in the cooperation information MAC CE.
  • the type of the "RIC m control element" field may be one of multiple predefined types.
  • the type of the "RIC m control element" field may be related to one or more of the following:
  • RIC m (TRIV m , FRIV m )
  • the type of the "RIC m control element" field is "first RIC control element type".
  • Fig. 4 shows an example of the first RIC control element type.
  • the type of the "RIC m control element" field is "second RIC control element type".
  • Figure 5 shows an example of the second RIC control element type.
  • RIC m (TRIV m , FRIV m , P rsvp, m )
  • the type of the "RIC m control element" field is "the third RIC control element type".
  • Fig. 6 shows an example of the third RIC control element type.
  • the type of the "RIC m control element" field is "the fourth RIC control element type".
  • Fig. 7 shows an example of the fourth RIC control element type.
  • the type of the "RIC m control element" field is "fifth RIC control element type".
  • Fig. 8 shows an example of the fifth RIC control element type.
  • the second cooperation condition may include one or more of the following (arbitrarily combined in the manner of "and” or "or"):
  • the first cooperation scheme is not enabled.
  • the SCI format of the first stage associated with the SL transmission contains part or all of the cooperation information.
  • the second stage SCI format associated with the SL transmission contains part or all of the cooperation information (for example, the second stage SCI format is SCI format 2-C; another example, the second stage SCI format is SCI format 2 -D).
  • the UE-B is not capable of receiving and/or processing the first-stage SCI format including the cooperation information.
  • the UE-B is incapable of receiving and/or processing the second-stage SCI format (for example, SCI format 2-C; another example, SCI format 2-D) containing cooperation information.
  • SCI format 2-C for example, SCI format 2-C
  • SCI format 2-D another example, SCI format 2-D
  • the UE-B is not capable of receiving and/or processing the cooperation information contained in the first stage SCI format associated with the SL transmission.
  • the UE-B is not capable of receiving and/or processing the cooperation information contained in the second stage SCI format associated with the SL transmission.
  • the source identifier indicated in the second stage SCI format associated with the SL transmission is not equal to the first destination layer 1 identifier.
  • the destination identifier indicated in the second stage SCI format associated with the SL transport is not equal to the first source layer 1 identifier.
  • the cooperation request identifier indicated in the first stage SCI format associated with the SL transmission is not equal to the first cooperation request identifier.
  • the cooperation request identifier indicated in the second stage SCI format associated with the SL transmission is not equal to the first cooperation request identifier.
  • the coordinated resource set type indicated in the first stage SCI format associated with the SL transmission is not equal to the first coordinated resource set type.
  • the coordinated resource set type indicated in the second stage SCI format associated with the SL transmission is not equal to the first coordinated resource set type.
  • the second cooperative operation may include one or more of the following:
  • the MAC layer entity of the UE-B instructs the physical layer entity of the UE-B to generate the negative acknowledgment.
  • a transmission block satisfies the third cooperation condition, perform a third cooperation operation on the transmission block.
  • the third collaborative information processing condition may include one or more of the following (arbitrarily combined in the manner of "and” or "or"):
  • the first cooperation scheme is not enabled.
  • the transmission block contains a MAC CE of cooperation information.
  • the first-stage SCI format carrying one or more SL transmission associations of the transport block contains part or all of the coordination information.
  • the second-stage SCI format carrying one or more SL transmission associations of the transport block contains part or all of the cooperation information (for example, the second-stage SCI format is SCI format 2-C; another example, the first-stage The two-stage SCI format is SCI format 2-D).
  • the UE-B is capable of receiving and/or processing the first-stage SCI format including cooperation information.
  • the UE-B is capable of receiving and/or processing a second-stage SCI format (for example, SCI format 2-C; another example, SCI format 2-D) including cooperation information.
  • a second-stage SCI format for example, SCI format 2-C; another example, SCI format 2-D
  • the UE-B has processed the cooperation information contained in the first stage SCI format carrying one or more SL transmission associations of the transport block.
  • the UE-B has processed the cooperation information contained in the second stage SCI format carrying one or more SL transmission associations of the transport block.
  • the third cooperation operation may include: discarding (or ignoring) the cooperation information MAC CE in the transport block.
  • a transmission block satisfies the fourth cooperation condition, perform a fourth cooperation operation on the transmission block.
  • the fourth cooperation condition may include one or more of the following (arbitrarily combined in the manner of "and” or "or"):
  • the first cooperation scheme is not enabled.
  • the transmission block contains a MAC CE of cooperation information.
  • the UE-B has not processed the first-stage SCI format containing cooperation information corresponding to any SL transmission carrying the transport block.
  • the UE-B has not processed the second-stage SCI format (for example, SCI format 2-C; another example, SCI format 2-D) corresponding to any SL transmission carrying the transport block and containing cooperation information.
  • SCI format 2-C for example, SCI format 2-C; another example, SCI format 2-D
  • the UE-B has not processed the cooperation information in the first stage SCI format corresponding to any SL transmission carrying the transport block.
  • the UE-B has not processed the cooperation information in the second stage SCI format corresponding to any SL transmission carrying the transport block.
  • the fourth cooperation operation may include: processing the cooperation information MAC CE (for example, determining a corresponding cooperation resource set time and frequency domain location of each resource in the resource, perform resource selection/reselection, etc.).
  • Embodiment 1 of the present invention can be the time slot or the slot or the slot or the slot or the slot or the slot
  • Embodiment 1 of the present invention “included in the MAC CE” may be replaced with "transmitted by the MAC CE”.
  • “resource reservation period” may be replaced with “resource reservation interval” (Resource Reservation Interval).
  • each item in RIC m can be arranged in any way, for example, (TRIV m , FRIV m ) can be replaced by ( FRIV m , TRIV m ), and for example can be replaced with
  • the resource pools u CR , u CI and are the same resource pool.
  • the number of subchannels in a resource pool u It may be configured or preconfigured by the high layer parameter sl-NumSubchannel of the resource pool u.
  • the number of resource reservation periods of a resource pool u It may be equal to the number of resource reservation periods configured or preconfigured by the high layer parameter sl-ResourceReservePeriodList of the resource pool u.
  • the first SCI format and the third SCI format may be the same SCI format (for example, referred to as "the first coordinated SCI format").
  • the first cooperative SCI format includes an "SCI format identifier" field (for example, the SCI format identifier field may be the first field in the first cooperative SCI format), wherein, If the SCI format identifier field indicates that the first cooperative SCI format is used for a cooperation request, then the remaining fields of the first cooperative SCI format are used to indicate the first cooperation request; if the SCI format identifier field Indicating that the first collaborative SCI format is used for collaborative information, then the remaining fields of the first collaborative SCI format are used to indicate the first collaborative information.
  • one or more of the following padding operations are performed:
  • the size of the information bits (or payload, payload) of the first cooperative SCI format used for the cooperation request and the first cooperative SCI format used for the cooperation information Can be a predefined or configured or preconfigured value, or determined by the value of one or more predefined or configured or preconfigured parameters.
  • the second SCI format and the fourth SCI format may be the same SCI format (for example, referred to as "second cooperative SCI format"; specifically, for example, SCI Format 2-C).
  • the second cooperative SCI format includes an "SCI format identifier" field (for example, the SCI format identifier field may be the first field in the second cooperative SCI format), wherein, If the SCI format identifier field indicates that the second cooperative SCI format is used for a cooperation request, then the remaining fields of the second cooperative SCI format are used to indicate the first cooperation request; if the SCI format identifier field Indicating that the second collaborative SCI format is used for collaborative information, then the remaining fields of the second collaborative SCI format are used to indicate the first collaborative information.
  • one or more of the following padding operations are performed:
  • Embodiment 1 of the present invention Can be a predefined or configured or preconfigured value, or determined by one or more predefined or configured or preconfigured parameters.
  • Embodiment 1 of the present invention Can be a predefined or configured or preconfigured value, or determined by one or more predefined or configured or preconfigured parameters.
  • Embodiment 1 of the present invention Can be a predefined or configured or preconfigured value, or determined by one or more predefined or configured or preconfigured parameters.
  • Embodiment 1 of the present invention and Any of can be equal to any of the following:
  • T proc,0 may be a predefined or configured or preconfigured value, or be determined by one or more predefined or configured or preconfigured parameters.
  • T proc,1 may be a predefined or configured or preconfigured value, or determined by one or more predefined or configured or preconfigured parameters.
  • the present invention provides a method, by determining the types of MAC CE fields corresponding to resource indication combinations of different lengths for different resource pool size ranges, effectively reducing the number of indications in the MAC CE.
  • the overhead indicated by the set of cooperative resources enables the transmission of cooperative information between UEs to be efficiently completed; in addition, by flexibly indicating the value of the "first resource location", a resource indication combination can efficiently indicate the corresponding coordinated resource window resources in any time slot.
  • inter-UE cooperation and other related terms (such as “cooperation information”, “cooperation request”, “priority resource”, “non-priority resource”, “sidelink coordination control information”, “physical sidelink Coordination Information Channel/Signal”, “Physical Sidelink Coordination Request Channel/Signal”, “Coordination Resource Set” fields, etc.) may be defined by their functions in the system and/or corresponding procedures and/or corresponding signaling. These terms can be replaced by other names when applied to a specific system.
  • FIG. 9 is used to illustrate a user equipment as a modified example that can execute the method performed by the user equipment described in detail above in the present invention.
  • FIG. 9 is a block diagram showing a user equipment UE according to the present invention.
  • the user equipment UE90 includes a processor 901 and a memory 902 .
  • the processor 901 may include, for example, a microprocessor, a microcontroller, an embedded processor, and the like.
  • the memory 902 may include, for example, a volatile memory (such as a random access memory RAM), a hard disk drive (HDD), a nonvolatile memory (such as a flash memory), or other memories.
  • Memory 902 has program instructions stored thereon. When the instruction is executed by the processor 901, it can execute the above-mentioned method executed by the user equipment described in detail in the present invention.
  • the method and related equipment of the present invention have been described above in conjunction with preferred embodiments. Those skilled in the art can understand that the methods shown above are only exemplary, and the embodiments described above can be combined with each other without conflicts.
  • the method of the present invention is not limited to the steps and sequence shown above.
  • the network nodes and user equipment shown above may include more modules, for example, may also include base stations, AMF (Access and Mobility Management Function, access and mobility management function), UPF ( User Plane Function, user plane function), MME (Mobility Management Entity, mobile management entity), S-GW (Serving Gateway, serving gateway) or UE modules, etc.
  • AMF Access and Mobility Management Function, access and mobility management function
  • UPF User Plane Function, user plane function
  • MME Mobility Management Entity
  • S-GW Serving Gateway, serving gateway
  • the various identifiers shown above are only exemplary rather than restrictive, and the present invention is not limited to specific information elements as examples of these identifiers.
  • various components inside the base station and user equipment in the above embodiments can be realized by various devices, including but not limited to: analog circuit devices, digital circuit devices, digital signal processing (DSP) circuits, programmable processing Devices, Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs), Programmable Logic Devices (CPLDs), etc.
  • DSP digital signal processing
  • ASICs Application Specific Integrated Circuits
  • FPGAs Field Programmable Gate Arrays
  • CPLDs Programmable Logic Devices
  • base station may refer to a mobile communication data and/or control switching center with a certain transmission power and a certain coverage area, for example including functions such as resource allocation and scheduling, data reception and transmission.
  • User equipment may refer to a user's mobile terminal, including, for example, a mobile phone, a notebook, and other terminal equipment capable of wirelessly communicating with a base station or a micro base station.
  • embodiments of the present invention disclosed herein may be implemented on a computer program product.
  • the computer program product is a product having a computer-readable medium encoded with computer program logic that, when executed on a computing device, provides associated operations to implement Above-mentioned technical scheme of the present invention.
  • the computer program logic When executed on at least one processor of a computing system, the computer program logic causes the processor to execute the operations (methods) described in the embodiments of the present invention.
  • Such arrangements of the invention are typically provided as software, code and/or other data structures arranged or encoded on a computer-readable medium such as an optical medium (e.g., CD-ROM), floppy disk, or hard disk, or as one or more other media of firmware or microcode on a ROM or RAM or PROM chip, or a downloadable software image in one or more modules, a shared database, etc.
  • Software or firmware or such configurations can be installed on the computing device, so that one or more processors in the computing device execute the technical solutions described in the embodiments of the present invention.
  • each functional module or each feature of the base station device and terminal device used in each of the above embodiments may be implemented or executed by a circuit, and the circuit is generally one or more integrated circuits.
  • Circuits designed to perform the various functions described in this specification may include general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs) or general-purpose integrated circuits, field-programmable gate arrays (FPGAs), or other possible Program logic devices, discrete gate or transistor logic, or discrete hardware components, or any combination of the above.
  • a general-purpose processor can be a microprocessor, or the processor can be an existing processor, controller, microcontroller, or state machine.
  • the general-purpose processor or each circuit described above may be configured by a digital circuit, or may be configured by a logic circuit.
  • the present invention can also use an integrated circuit obtained by using the advanced technology.

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Abstract

本发明提出了一种由用户设备执行的方法以及用户设备。由用户设备执行的方法包括：在资源池u接收一个协作信息MAC CE；以及，根据所述协作信息MAC CE确定在所述资源池u上的一个协作资源集合R。其中，所述协作资源集合对应所述协作信息MAC CE中指示的一个或多个资源指示组合，其中，每个所示资源指示组合包括一个时间资源指示器值，一个频率资源指示器值以及一个资源预留周期值，并且，每个资源指示组合对应的MAC CE字段的类型由所述资源池u中的信道个数确定。

Description

由用户设备执行的方法以及用户设备 技术领域
本发明涉及一种由用户设备执行的方法以及用户设备。
背景技术
在SL(sidelink，侧行链路，或简称侧行)通信中(例如，当配置为SL资源分配模式2时)可以支持UE(User Equipment，用户设备)间协作功能，例如，两个或更多个UE之间在资源分配上的协作。UE间协作功能需要解决一系列的问题，例如，如何确定与UE间协作有关的两个或更多个UE；又如，如何确定与UE间协作有关的一个或多个消息及其分别所使用的资源的定义、配置、映射、传输和接收等。
在先技术文献
非专利文献
非专利文献1：RP-152293，New WI proposal：Support for V2V services based on LTE sidelink
非专利文献2：RP-170798，New WID on 3GPP V2X Phase 2
非专利文献3：RP-170855，New WID on New Radio Access Technology
非专利文献4：RP-190766，New WID on 5G V2X with NR sidelink
非专利文献5：RP-201385，WID revision：NR sidelink enhancement
发明内容
为了解决上述问题中的至少一部分，本发明提供了一种由用户设备执行的方法以及用户设备，通过为不同的资源池大小范围确定不同长度的资源指示组合对应的MAC CE字段的类型，有效地降低了在MAC CE中指示一个协作资源集合指示的开销，使得UE间协作信息的传输得以高效地完成。
根据本发明，提出了一种由用户设备执行的方法，其特征在于包括：在资源池u接收一个协作信息MAC CE；以及，根据所述协作信息MAC CE确定在所述资源池u上的一个协作资源集合R。其中，所述协作资源集合对应所述协作信息MAC CE中指示的一个或多个资源指示组合，其中，每个所示资源指示组合包括一个时间资源指示器值，一个频率资源指示器值以及一个资源预留周期值，并且，每个资源指示组合对应的MAC CE字段的类型由所述资源池u中的信道个数确定。
此外，根据本发明，提出了一种用户设备，包括：处理器；以及存储器，存储有指令，其中，所述指令在由所述处理器运行时执行上述的方法。
因此，本发明提供了一种方法，通过为不同的资源池大小范围确定不同长度的资源指示组合对应的MAC CE字段的类型，有效地降低了在MAC CE中指示一个协作资源集合指示的开销，使得UE间协作信息的传输得以高效地完成。
附图说明
通过下文结合附图的详细描述，本发明的上述和其他特征将会变得更加明显，其中：
图1示出了根据TRIV(Time Resource Indicator Value，或者Time RIV，时间资源指示器值)确定所指示的资源的个数(N)、第二资源所在的时隙相对于第一资源所在的时隙的偏移(t 1)以及第三资源所在的时隙相对于第一资源所在的时隙的偏移(t 2)的方法。
图2示出了根据FRIV(Frequency Resource Indicator Value，或者Frequency RIV，频率资源指示器值)确定第二资源的起始子信道
Figure PCTCN2023070653-appb-000001
第三资源的起始子信道
Figure PCTCN2023070653-appb-000002
以及每个资源对应的连续的子信道个数(L subCH)的方法。
图3示出了根据本发明的实施例一的由用户设备执行的方法对应的流程图。
图4示出了一个第一RIC(Resource Indication Combination，资源指示组合，或者称为Resource Combination，资源组合)控制元素类型的例子。
图5示出了一个第二RIC控制元素类型的例子。
图6示出了一个第三RIC控制元素类型的例子。
图7示出了一个第四RIC控制元素类型的例子。
图8示出了一个第五RIC控制元素类型的例子。
图9示出了本发明所涉及的用户设备UE的框图。
具体实施方式
下面结合附图和具体实施方式对本发明进行详细阐述。应当注意，本发明不应局限于下文所述的具体实施方式。另外，为了简便起见，省略了对与本发明没有直接关联的公知技术的详细描述，以防止对本发明的理解造成混淆。
下文以5G(或者称为NR(“New Radio”)，或者称为5G NR)移动通信系统及其后续的演进版本(例如，5G Advanced)作为示例应用环境，具体描述了根据本发明的多个实施方式。然而，需要指出的是，本发明不限于以下实施方式，而是可适用于更多其他的无线通信系统，例如5G之后的通信系统以及5G之前的4G移动通信系统等。
本发明给出的术语在LTE(Long Term Evolution，长期演进)、LTE-Advanced、LTE-Advanced Pro、NR以及之后的通信系统中可能采用不同的命名方式，但本发明中采用统一的术语，在应用到具体的系统中时，可以替换为相应系统中采用的术语。
在本发明的所有实施例和实施方式中，在适用的情况下，如未特别说明：
●可选地，eNB可以指4G基站。例如，eNB可以向UE提供E-UTRA(Evolved UMTS Terrestrial Radio Access)用户面和控制面协议的终结；又如，eNB可以通过S1接口连接到EPC(Evolved Packet Core，演进分组核心)。
●可选地，ng-eNB可以指增强的4G基站。例如，ng-eNB可以向UE提供E-UTRA用户面和控制面协议的终结；又如，ng-eNB可以通过NG接口连接到5GC(5G Core Network，5G核心网)。
●可选地，gNB可以指5G基站。例如，gNB可以向UE提供NR用户面和控制面协议的终结；又如，gNB可以通过NG接口连接到5GC。
●可选地，μ表示子载波间隔配置(subcarrier spacing configuration，或者SCS configuration)，例如一个资源栅格(resource grid)中配置的子载波间隔配置，又如一个载波(carrier)中配置的子载波间隔配置，又如一个BWP(Bandwidth Part，带宽片段；例如UL(uplink，上行链路)BWP，又如DL(downlink，下行链路)BWP，又如SL BWP)中配置的子载波间隔配置，又如一个链路(例如UL，又如DL，又如SL)对应的子载波间隔配置。μ对应的子载波间隔(SCS)可以记为Δf，例如，Δf＝2 μ·15kHz。
●可选地，“{a 1，...，a N}”可以表示一个按集合中的元素的值或者集合中的元素的索引递增的方式排列的有序的集合；其中，若a N＜a 1，则“{a 1，...，a N}”可以表示一个空集
Figure PCTCN2023070653-appb-000003
例如{1，...，3}可以表示{1，2，3}，又如{1，...，1}可以表示{1}，又如{1，...，0}可以表示
Figure PCTCN2023070653-appb-000004
●可选地，“符号”(symbol)可以指OFDM(Orthogonal Frequency Division Multiplexing，正交频分复用)符号。
●可选地，“长度”(length)和“大小”(size)可以互换。例如，一个DCI(Downlink control information，下行控制信息)格式中的一个字段的“大小”可以称为所述字段的“长度”。
●可选地，“起始”(starting)和“最低”(lowest)可以互换。例如，一个载波的“最低子载波”可以称为该载波的“起始子载 波”。
●可选地，“起始”(starting)和“第一个”(first)可以互换。例如，一个时隙的“第一个符号”可以称为该时隙的“起始符号”。
●可选地，“结束”(ending)和“最高”(highest)可以互换。例如，一个载波的“最高子载波”可以称为该载波的“结束子载波”。
●可选地，“结束”(ending)和“最后一个”(last)可以互换。例如，一个时隙的“最后一个符号”可以称为该时隙的“结束符号”。
●可选地，“编号”和“索引”可以互换。例如，一个资源块中的12个子载波可以按频率从低到高的顺序分别编号(或者索引)为子载波0，子载波1，……，子载波11；相应地，这些子载波的编号(或者索引)分别为0，1，……，11。
●可选地，一个“资源”可以对应下面中的一项或多项：
◆时域上的一个或多个参数。例如，所述资源的起始符号；又如，所述资源的起始时隙；又如，所述资源占用的符号个数；又如，所述资源占用的时隙个数。
◆频域上的一个或多个参数。例如，所述资源的起始子信道；又如，所述资源的起始资源块；又如，所述资源的起始子载波；又如，所述资源占用的子信道个数；又如，所述资源占用的资源块个数；又如，所述资源占用的子载波个数。
◆码域上的一个或多个参数。例如，所述资源对应的循环移位 (cyclic shift)或相应的循环移位索引；又如，所述资源对应的循环移位对(cyclic shift pair)或相应的循环移位对索引。
◆空域上的一个或多个参数。例如，所述资源对应的MIMO(Multiple Input Multiple Output)层。
●可选地，一个时域(或频域，或码域，或空域)资源的记号可以用于表示所述资源在时域(或频域，或码域，或空域)上的索引。例如，若将一个时隙记为t 1，则t 1＝0可以表示所述时隙的索引(例如，所述时隙在相应的子帧内的索引)为0。又如，若将一个子信道记为f 1，则f 1＝0可以表示所述子信道的索引(例如，所述子信道在相应的资源池内的索引)为0。
●可选地，“在X内”、“在X中”和“在X上”中的任意两个可以互换；其中，X可以是一个或多个载波，或者一个或多个BWP，或者一个或多个资源池(resource pool)，或者一个或多个链路(例如UL，又如DL，又如SL)，或者一个或多个信道，或者一个或多个子信道，或者一个或多个RBG(Resource Block Group，资源块组)，或者一个或多个RB(Resource Block，资源块)，或者一个或多个“时机”(occasion，例如PDCCH(Physical Downlink Control Channel，物理下行控制信道)监听时机，又如PSSCH(Physical Sidelink Shared Channel，物理侧行共享信道)传输时机，又如PSSCH接收时机，又如PSFCH(Physical Sidelink Feedback Channel，物理侧行反馈信道)监听时机，又如PSFCH传输时机，又如PSFCH接收时机，又如PSCCH(Physical Sidelink  Control Channel，物理侧行控制信道)监听时机，又如PSCCH传输时机，又如PSCCH接收时机，等等)，或者一个或多个符号，或者一个或多个时隙，或者一个或多个子帧，或者一个或多个半帧，或者一个或多个帧，或者一个或多个其他时域和/或频域和/或码域和/或空域资源，等等。
●可选地，“高层”(higher layer(s)，或者upper layer(s))可以指在一个协议栈(protocol stack)中，一个参考协议层(或参考协议子层)之上的一个或多个协议层或协议子层。例如，若所述参考协议层为物理层，则所述“高层”可以指MAC(Medium Access Control，介质访问控制)层，或者RLC(Radio Link Control，无线链路控制协议)层，或者PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)层，或者RRC(Radio Resource Control，无线资源控制)层，或者PCS-S层，或者PC5 RRC层，或者V2X(Vehicle-to-everything，车辆到万物)层，或者应用层，或者V2X应用层，等等。可选地，如未特别说明，所述参考协议层(或参考协议子层)可以指物理层。
●可选地，“低层”(lower layer(s))可以指在一个协议栈中，一个参考协议层(或参考协议子层)之下的一个或多个协议层或协议子层。例如，若所述参考协议层为MAC层，则所述“低层”可以指物理层。可选地，如未特别说明，所述参考协议层(或参考协议子层)可以指RRC层，或PC5RRC层，或MAC层。
●可选地，一个“预定义”的值可以是一个与子载波间隔有关的值， 例如，不同的子载波间隔分别对应一个预定义的常数。具体地，例如，对μ＝0，1，2，3，所述预定义的值分别是3，5，9，17。
●可选地，“预配置”(pre-configure)可以表示在高层(例如RRC层)协议中进行预配置。例如预置(例如按高层协议的规范预置)在UE中特定的存储位置，又如预置(例如按高层协议的规范预置)在UE可以存取的特定的存储位置。
●可选地，“配置”(configure)可以表示在高层协议中通过信令进行配置。例如通过从基站向UE传输的RRC信令为UE配置，又如通过从UE-1向UE-2传输的PC5 RRC信令为UE-2配置。
●可选地，“配置”、“指示”(indicate)和“提供”(provide)中的任意两个可以互换，“由……配置”(configured by...)、“由……配置”(indicated by...)和“由……提供”(provided by...)中的任意两个可以互换。
●可选地，“配置”和“通过信令指示”(signal)可以互换。
●可选地，Δ(x 1，x 2)表示x 1和x 2之间的偏移(offset between x 1 and x 2)，或者称为x 2相对于x 1的偏移(offset of x 2 with respect to x 1，或者offset of x 2 relative to x 1)，或者称为从x 1到x 2的偏移(offset from x 1 to x 2)，其中，所述x 1和所述x 2可以是两个可以比较的参数，或者一个参数的两个取值(例如两个时隙，又如两个子帧，又如两个半帧，又如两个帧，又如两个子载波，又如两个资源块，又如两个资源块组，又如两个子信道，等等)，例如，在集合
Figure PCTCN2023070653-appb-000005
中，记
Figure PCTCN2023070653-appb-000006
Figure PCTCN2023070653-appb-000007
则Δ(x 1，x 2)可以定义为j-i，或者定义为
Figure PCTCN2023070653-appb-000008
可选地，若Δ(x 1，x 2)＞0，则所述x 1小于(或者低于，或者早于)所述x 2。可选地，若Δ(x 1，x 2)＜0，则所述x 1大于(或者高于，或者晚于)所述x 2。可选地，若Δ(x 1，x 2)＝0，则所述x 1等于所述x 2。
●可选地，时域(time-domain)资源可以称为时间(time)资源，反之亦然。
●可选地，时域资源的编号(例如按时间先后顺序)可以从0开始，或者从1开始。例如，对于30kHz SCS，一个子帧中的时隙的集合可以用相应的时隙编号的集合表示为{0，1}，或者表示为{1，2}。
●可选地，一个帧(frame)可以是一个系统帧(system frame)，相应的帧号可以称为系统帧号(system frame number，SFN)。对应同一个SFN的系统帧可以周期性地出现，例如以1024帧为周期出现，相应地，一个系统帧周期内的SFN可以分别为0，1，……，1023。一个系统帧的持续时间可以是10毫秒，相应地，一个系统帧周期的持续时间可以是10240毫秒。
●可选地，一个帧可以是一个直接帧(direct frame)，相应的帧号可以称为直接帧号(direct frame number，DFN)。对应同一个DFN的直接帧可以周期性地出现，例如以1024帧为周期出现，相应地，一个直接帧周期内的DFN可以分别为0，1，……，1023。一个直接帧的持续时间可以是10毫秒，相应地，一个直接帧周期的持续时间可以是10240毫秒。
●可选地，一个时隙的编号可以是所述时隙在相应的子帧内的编号。例如，相应的时隙编号的集合为
Figure PCTCN2023070653-appb-000009
其中
Figure PCTCN2023070653-appb-000010
是一个子帧内的时隙的个数。
Figure PCTCN2023070653-appb-000011
可以与μ有关，例如
Figure PCTCN2023070653-appb-000012
●可选地，一个时隙的编号可以是所述时隙在相应的半帧内的编号。例如，相应的时隙编号的集合为
Figure PCTCN2023070653-appb-000013
其中
Figure PCTCN2023070653-appb-000014
是一个半帧内的时隙的个数。
Figure PCTCN2023070653-appb-000015
可以与μ有关，例如
Figure PCTCN2023070653-appb-000016
●可选地，一个时隙的编号可以是所述时隙在相应的帧(例如系统帧，又如直接帧)内的编号。例如，相应的时隙编号的集合为
Figure PCTCN2023070653-appb-000017
Figure PCTCN2023070653-appb-000018
其中
Figure PCTCN2023070653-appb-000019
是一个帧内的时隙的个数。
Figure PCTCN2023070653-appb-000020
可以与μ有关，例如
Figure PCTCN2023070653-appb-000021
●可选地，一个时隙的编号可以是所述时隙在相应的帧周期(例如系统帧周期，又如直接帧周期)内的编号。例如，相应的时隙编号的集合为
Figure PCTCN2023070653-appb-000022
其中
Figure PCTCN2023070653-appb-000023
是一个帧周期内的时隙的个数。
Figure PCTCN2023070653-appb-000024
可以与μ有关，例如
Figure PCTCN2023070653-appb-000025
●可选地，在一段预定义或配置或预配置的时间(例如，一个子帧；又如，一个半帧；又如，一个帧；又如，一个帧周期)内的所有时隙的集合可以称为一个“物理时隙集合”，其中每一个时隙可以称为一个“物理时隙”，相应的时隙编号可以称为“物理时隙编号”。例如，在一个帧周期内，所述物理时隙集合可以记为
Figure PCTCN2023070653-appb-000026
例如，
Figure PCTCN2023070653-appb-000027
Figure PCTCN2023070653-appb-000028
●可选地，频域(frequency-domain)资源又可以称为频率(frequency)资源。
●可选地，资源块可以指VRB(virtual resource block，虚拟资源块)，或者PRB(physical resource block，物理资源块)，或者CRB(common resource block，公共资源块)，或者按其他方式定义的资源块。
●可选地，频域资源的编号(例如按频率从低到高的顺序)可以从0开始，或者从l开始。例如，若资源池u中配置的子信道(subchannel，或者sub-channel)的个数为
Figure PCTCN2023070653-appb-000029
则所述资源池中子信道的集合可以用相应的子信道编号的集合表示为
Figure PCTCN2023070653-appb-000030
Figure PCTCN2023070653-appb-000031
或者表示为
Figure PCTCN2023070653-appb-000032
又如，一个资源块中子载波的集合可以用相应的子载波编号的集合表示为{0，1，...，11}，或者表示为{1，2，...，12}。
●可选地，两个子载波之间的偏移可以指所述两个子载波的中心频率之间的偏移，例如以子载波个数表示，又如以资源块个数表示。
●可选地，两个资源块之间的偏移可以指所述两个资源块的最低编号的子载波的中心频率之间的偏移，例如以资源块个数表示，又如以子载波个数表示。
●可选地，“SCI”(Sidelink Control Information，侧行控制信息)可以指一个SCI传输(或者一个SCI接收)，其中，所述SCI传 输(或者所述SCI接收)对应一个SCI格式(例如一个第一阶段SCI格式，又如一个第二阶段SCI格式)，或者一个SCI格式组合(例如一个第一阶段SCI格式以及相应的第二阶段SCI格式)。
●可选地，一个“SL传输”可以包括下面中的一项或多项：
◆一个PSSCH传输。
◆一个PSCCH及其相应的(或关联的)PSSCH传输。
◆一个PSCCH或其相应的(或关联的)PSSCH传输。
◆一个PSFCH传输。
◆一个S-SS/PSBCH(Sidelink-Synchronization Signal/Physical Sidelink Broadcast Channel，侧行-同步信号/物理侧行广播信道，或者称为S-SSB)传输。
●可选地，一个“SL资源”是一个可以用于SL传输和/或SL接收的资源。
●可选地，“资源池”可以替换为“SL资源池”。
●可选地，在一段预定义或配置或预配置的时间(例如，一个子帧；又如，一个半帧；又如，一个帧；又如，一个帧周期)内，所有可以属于一个资源池的时隙组成的集合称为一个“SL时隙集合”，其中的每一个元素可以对应一个“SL时隙”，相应的索引可以称为“SL时隙索引”。例如，在一个帧周期(例如系统帧周期，又如直接帧周期)内，所述SL时隙集合可以记为
Figure PCTCN2023070653-appb-000033
其中T max是所述SL时隙集合
Figure PCTCN2023070653-appb-000034
中的元素的个数。可选地，所述SL时隙集合
Figure PCTCN2023070653-appb-000035
内的两个相邻的SL 时隙(例如时隙
Figure PCTCN2023070653-appb-000036
和时隙
Figure PCTCN2023070653-appb-000037
)分别对应的物理时隙可以相邻，或者不相邻。可选地，所述集合
Figure PCTCN2023070653-appb-000038
可以是在所述物理时隙集合
Figure PCTCN2023070653-appb-000039
中排除下面各个集合中的时隙后剩余的时隙的集合：
◆S-SSB时隙组成的集合(例如记所述集合中的时隙个数为N S_SSB)。其中，一个S-SSB时隙可以是一个配置了S-SSB的时隙。
◆非SL时隙组成的集合(例如记所述集合中的时隙个数为N nonSL)。其中，一个非SL时隙可以是一个从符号
Figure PCTCN2023070653-appb-000040
开始的连续
Figure PCTCN2023070653-appb-000041
个符号中至少有一个符号未配置为UL符号的时隙，其中
Figure PCTCN2023070653-appb-000042
表示一个时隙(例如非S-SSB时隙)内用于SL的起始符号(例如由参数sl-StartSymbol配置)，
Figure PCTCN2023070653-appb-000043
表示一个时隙(例如非S-SSB时隙)内用于SL的符号的个数(例如由参数sl-LengthSymbols配置)。可选地，一个非SL时隙总是一个未配置S-SSB的时隙。
◆保留时隙组成的集合(例如记所述集合中的时隙个数为N reserved；其中，N reserved＝(10240×2 μ-N S_SSB-N nonSL)mod L bitmap，其中L bitmap可以是高层配置的一个位图的长度)。其中，若记从所述物理时隙集合
Figure PCTCN2023070653-appb-000044
中排除所述S-SSB时隙集合中的时隙以及所述非SL时隙集合中的时隙后，剩余的时隙按时隙索引递增的顺序分别为
Figure PCTCN2023070653-appb-000045
则对于0≤r＜10240×2 μ-N S_SSB-N nonSL，若r满足
Figure PCTCN2023070653-appb-000046
则时隙l r属于所述保留时隙集合。
●可选地，在一段预定义或配置或预配置的时间(例如，一个子帧；又如，一个半帧；又如，一个帧；又如，一个帧周期)内，资源池u中的所有时隙的集合可以称为一个“逻辑时隙集合”，其中每一个时隙可以称为一个“逻辑时隙”，相应的时隙编号可以称为“逻辑时隙编号”。例如，在一个帧周期(例如系统帧周期，又如直接帧周期)内，所述逻辑时隙集合可以记为
Figure PCTCN2023070653-appb-000047
Figure PCTCN2023070653-appb-000048
其中
Figure PCTCN2023070653-appb-000049
是所述逻辑时隙集合
Figure PCTCN2023070653-appb-000050
中的元素的个数。可选地，所述逻辑时隙集合
Figure PCTCN2023070653-appb-000051
内的两个相邻的逻辑时隙(例如时隙
Figure PCTCN2023070653-appb-000052
和时隙
Figure PCTCN2023070653-appb-000053
)分别对应的SL时隙(或物理时隙)可以相邻，或者不相邻。
●可选地，对时隙t 1和时隙t 2，Δ(t 1，t 2)可以指所述时隙t 1和所述时隙t 2分别对应的物理时隙之间的偏移(例如表示相应的时间区间内毫秒的个数，或者物理时隙的个数)，或者所述时隙t 1和所述时隙t 2分别对应的SL时隙之间的偏移，或者所述时隙t 1和所述时隙t 2分别对应的逻辑时隙之间的偏移。
●可选地，对时隙t 1和时隙t 2，若Δ(t 1，t 2)＝D，则可以将所述时隙t 2记为t 2＝NEXT(t 1，D)。
●可选地，对时隙t 1和时隙t 2，若Δ(t 1，t 2)＝D，则可以将所述时隙t 1记为t 1＝PREV(t 2，D)。
●可选地，一个时间窗口(或者称为“时间间隔”，例如记为W)
对应一个起始时隙(例如记为
Figure PCTCN2023070653-appb-000054
)，一个结束时隙(例如记为
Figure PCTCN2023070653-appb-000055
)，以及一个大小(或者称为长度，例如记为LEN(W))。其中，所述LEN(W)可以等于
Figure PCTCN2023070653-appb-000056
或者等于
Figure PCTCN2023070653-appb-000057
或者等于
Figure PCTCN2023070653-appb-000058
或者等于
Figure PCTCN2023070653-appb-000059
或者等于
Figure PCTCN2023070653-appb-000060
或者等于
Figure PCTCN2023070653-appb-000061
或者等于
Figure PCTCN2023070653-appb-000062
或者等于
Figure PCTCN2023070653-appb-000063
或者等于
Figure PCTCN2023070653-appb-000064
与SL操作有关的资源分配方式可以包括：
●模式1(Mode 1，或者资源分配模式1，Resource Allocation Mode 1，或者侧行资源分配模式1，Sidelink Resource Allocation Mode 1)：基站调度用于SL传输的资源。
●模式2(Mode 2，或者资源分配模式2，Resource Allocation Mode 2，或者侧行资源分配模式2，Sidelink Resource Allocation Mode 2)：UE确定用于SL传输的资源(即基站不参与用于SL传输的资源的调度)。例如，执行SL传输操作的UE自主确定用于SL传输的资源。
一个PSCCH传输及其包含的SCI(例如SCI格式1-A)中的“时间资源分配”(Time resource assignment)字段以及“频率资源分配” (Frequency resource assignment)字段可以用于确定所述SCI关联的N个可以用于SL传输(例如PSCCH和/或PSSCH传输)的资源，其中，N的取值范围可以由一个或多个预定义或配置或预配置的参数确定(例如，N≥1；又如，N≤N MAX，其中N MAX可以由一个高层参数(例如sl-MaxNumPerReserve)配置或预配置；具体地，例如，若N MAX＝2，则N∈{1，2}，又如，若N MAX＝3，则N∈{1，2，3})。所述N个资源按时间先后顺序可以分别称为“第一资源”，……，“第N资源”，其中，第一资源所在的时隙(例如记为
Figure PCTCN2023070653-appb-000065
)可以是所述PSCCH传输所在的时隙(或者称为“所述SCI所在的时隙”，或者称为“接收到所述SCI的时隙”)，其他的每一个资源所在的时隙可以表示为其相对于所述时隙
Figure PCTCN2023070653-appb-000066
的时隙偏移，例如，第二资源所在的时隙(例如记为
Figure PCTCN2023070653-appb-000067
)可以表示为
Figure PCTCN2023070653-appb-000068
第三资源所在的时隙(例如记为
Figure PCTCN2023070653-appb-000069
)可以表示为
Figure PCTCN2023070653-appb-000070
N、t 1(例如，当N＝2或N＝3时)和t 2(例如，当N＝3时)可以根据所述SCI中的“时间资源分配”字段指示的TRIV确定，例如按图1所示的方式确定。
在频域，所述N个资源对应相同的子信道个数(例如记为LsubCH，例如表示LsubCH个连续分配的子信道)。在所述N个资源中，第一资源的起始子信道(即相应的SL传输的起始子信道，例如记为
Figure PCTCN2023070653-appb-000071
)是所述PSCCH传输的起始资源块所在的子信道，其他资源的起始子信道(例如将第二资源和第三资源的起始子信道分别记为
Figure PCTCN2023070653-appb-000072
和
Figure PCTCN2023070653-appb-000073
)以及L subCH可以根据所述SCI中的“频率资源分配”字段指示的FRIV确定，例如按图2所示的方式确定。若N＜N MAX，则FRIV指示的最后N MAX-N 个资源对应的子信道不会被使用。
上述确定所述N个资源的时域和频域参数的过程可以称为“SL资源预留过程”。
在SL通信中(例如在SL资源分配模式2下)可以支持UE间协作(inter-UE coordination，或者简称为“协作”)功能，例如，两个或更多个UE之间在资源分配和/或预留和/或指示和/或使用上进行协作，以提高资源分配和/或预留和/或指示和/或使用的效率，和/或减少资源分配和/或预留和/或指示和/或使用的冲突，和/或缓解和/或消除干扰等等。具体地，例如，一个UE(例如，称为UE-A)可以向一个或多个其他UE(例如，若只有一个其他UE，可以称为UE-B；又如，若有多于一个其他UE，可以分别称为UE-B1，UE-B2，……)分别传输“UE间协作信息”(inter-UE coordination information，或者称为“协作信息”，coordination information)，其中，所述协作信息可以显式或隐式地指示(或对应，或关联)一个或多个资源集合(例如称每一个这样的资源集合为一个“协作资源集合”，以及相应地，称一个协作资源集合中的每一个资源为一个“协作资源”)。
可选地，一个UE可以支持一个或多个协作方案(coordination scheme)。不同的协作方案可以对应不同的确定协作信息的方式，和/或协作信息的内容(例如相应的协作资源集合的内容)，和/或触发协作信息传输的条件和/或方式，和/或传输协作信息的方式，等等。
可选地，在第一协作方案中，一个协作资源集合中的资源可以是“优先资源”(preferred resources)，相应地，所述协作资源集合可以称为“优先资源集合”(a set of preferred resources)，包含一个“优先资源集合” 的协作信息可以称为“优先协作信息”(preferred co-ordination information，或者称为“优先UE间协作信息”，preferred inter-UE co-ordination information)。其中，一个由UE-A向UE-B指示的优先资源可以是所述UE-A希望所述UE-B使用(或优先使用)的资源，例如当执行目的地为所述UE-A的SL传输时。所述UE-B在接收到所述优先资源集合后，可以基于一个或多个资源集合执行资源选择或资源重选，其中，所述一个或多个资源集合可以包括所述协作资源集合(例如称为集合
Figure PCTCN2023070653-appb-000074
)，和/或所述UE-B基于自身的感测结果识别出来的资源集合(例如称为集合S SNS)；具体地，例如，若所述集合
Figure PCTCN2023070653-appb-000075
和所述集合S SNS的交集中的资源的个数大于(或者，大于或等于)某个阈值，则所述UE-B基于所述集合
Figure PCTCN2023070653-appb-000076
和所述集合S SNS的交集执行资源选择或资源重选。
可选地，在所述第一协作方案中，一个协作资源集合中的资源可以是“非优先资源”(non-preferred resources)，相应地，所述协作资源集合可以称为“非优先资源集合”(a set of non-preferred resources)，包含一个“非优先资源集合”的协作信息可以称为“非优先协作信息”(non-preferred co-ordination information，或者称为“非优先UE间协作信息”，non-preferred inter-UE co-ordination information)。其中，一个由UE-A向UE-B指示的非优先资源可以是所述UE-A希望所述UE-B不要使用(或最好不要使用，或优先排除)的资源，例如当执行目标UE(destination UE)为所述UE-A的SL传输时。所述UE-B在接收到所述协作资源集合后，可以基于一个或多个资源集合执行资源选择或资源重选，其中，所述一个或多个资源集合可以包括所述非优先资源集合(例如称为 集合
Figure PCTCN2023070653-appb-000077
)，和/或所述UE-B基于自身的感测结果识别出来的资源集合S SNS；具体地，例如，所述UE-B在执行资源选择或资源重选(例如，当基于所述集合S SNS执行资源选择或资源重选)时，可以排除与所述集合
Figure PCTCN2023070653-appb-000078
中的资源重叠的资源。
可选地，协作信息的传输可以由传输所述协作信息的UE根据一个或多个预定义或配置或预配置的条件触发。例如，UE-A向UE-B传输协作信息的条件可以包括，UE-A对一个传输块执行了资源选择(或重选)，其中所述传输块的目标UE是UE-B。
可选地，协作信息可以是对“协作请求”(coordination request，或者称为“显式协作请求”，explicit coordination request，或者称为“显式请求”，explicit request)的响应，或者说由所述“协作请求”触发。例如，UE-B向UE-A传输一个协作请求，用于请求一个协作资源集合(例如，请求一个优先资源集合；又如，请求一个非优先资源集合)；作为对所述协作请求的响应，所述UE-A可以确定一个相应的协作资源集合，并在向所述UE-B传输的协作信息中指示所述协作资源集合。
可选地，协作信息的部分或全部可以包含在SL控制信息中。其中，所述SL控制信息可以是物理层控制信息，或者高层控制信息。例如，协作信息的部分或全部可以包含在第一阶段SCI中。又如，协作信息的部分或全部可以包含在第二阶段SCI中。又如，协作信息的部分或全部可以包含在SFCI(sidelink feedback control information，侧行反馈控制信息)中。又如，协作信息的部分或全部可以包含在其他SL控制信息(例如称为SCCI，sidelink coordination control information，侧行协作控制信息)中。
可选地，协作信息的部分或全部可以包含在高层(例如MAC层，又如RRC层)信令中。例如，协作信息的部分或全部可以包含在一个MAC CE(MAC Control Element，MAC控制元素)中。又如，协作信息的部分或全部可以包含在一个RRC消息中。
可选地，协作请求中的部分或全部信息可以包含在SL控制信息中。其中，所述SL控制信息可以是物理层控制信息，或者高层控制信息。例如，协作请求中的部分或全部信息可以包含在第一阶段SCI中。又如，协作请求中的部分或全部信息可以包含在第二阶段SCI中。又如，协作请求中的部分或全部信息可以包含在SFCI中。又如，协作请求中的部分或全部信息可以包含在其他SL控制信息(例如SCCI)中。
可选地，协作请求中的部分或全部信息可以包含在一个高层(例如MAC层，又如RRC层)信令中。例如，协作请求中的部分或全部信息可以包含在一个MAC CE中。又如，协作请求中的部分或全部信息可以包含在一个RRC消息中。
可选地，所述第一协作方案可以配置或预配置或指示为使能或去使能。可选地，可以对每一个资源池分别配置或预配置或指示是否使能(或去使能)所述第一协作方案。可选地，使能(或去使能)所述第一协作方案的方式可以包括半静态的方式(例如通过高层协议配置或预配置)，和/或动态的方式(例如在SCI中指示)。可选地，使能所述第一协作方案表示使能协作请求的传输和/或接收，和/或协作信息的传输和/或接收。
[实施例一]
下面结合图1来说明本发明的实施例一的由用户设备执行的方法。
图1示出了根据本发明的实施例一的由用户设备执行的方法对应的流程图。
如图1所示，在本发明的实施例一中，用户设备UE(例如，称为UE-B)执行的步骤包括：步骤S101和步骤S103。
具体地，可选地，在步骤S101，传输第一协作请求。例如，在资源池u CR上传输所述第一协作请求。
可选地，所述第一协作请求用于向另一个UE(例如记为UE-A)请求协作信息(例如，一个协作资源集合，和/或其他协作信息)。
可选地，所述第一协作请求中包含的一部分信息称为所述第一协作请求的第一部分，其余信息称为所述第一协作请求的第二部分。
可选地，所述第一协作请求对应一个源层2标识符(例如称为“第一源层2标识符”)和一个目的地层2标识符(例如称为“第一目的地层2标识符”)，其中所述第一源层2标识符可以用于标识所述UE-B，所述第一目的地层2标识符可以用于标识所述UE-A。
可选地，在一个或多个时隙(例如，按时间先后顺序分别记为
Figure PCTCN2023070653-appb-000079
Figure PCTCN2023070653-appb-000080
)上的SL传输(例如对i∈{1，...，N CR}，记所述SL传输为
Figure PCTCN2023070653-appb-000081
)中携带所述第一协作请求。其中，SL传输
Figure PCTCN2023070653-appb-000082
可以称为所述第一协作请求的“初传”(initial transmission)，SL传输
Figure PCTCN2023070653-appb-000083
如果有的话)可以称为所述第一协作请求的“重传”(re-transmission)。其中，N CR可以是一个预定义或配置或预配置的值(例如N CR＝1)，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述UE-B自行确定，或者按其 他方式确定。
可选地，对i∈{1，...，N CR}，j∈{1，...，N CR}，且i≠j，SL传输
Figure PCTCN2023070653-appb-000084
中携带的所述第一协作请求和SL传输
Figure PCTCN2023070653-appb-000085
中携带的所述第一协作请求中的信息可以完全相同，或者部分相同。例如，若在所述第一协作请求中将一个未来的时隙
Figure PCTCN2023070653-appb-000086
指示为相对于携带所述SL请求的SL传输所在的时隙的偏移，则所述SL传输
Figure PCTCN2023070653-appb-000087
中携带的所述第一协作请求和所述SL传输
Figure PCTCN2023070653-appb-000088
中携带的所述第一协作请求分别指示
Figure PCTCN2023070653-appb-000089
和
Figure PCTCN2023070653-appb-000090
且
Figure PCTCN2023070653-appb-000091
可选地，SL传输
Figure PCTCN2023070653-appb-000092
关联同一种传播方式(cast type)，例如单播(unicast)。
可选地，SL传输
Figure PCTCN2023070653-appb-000093
关联同一个第一阶段SCI格式(例如称为第一SCI格式)。
可选地，对i∈{1，...，N CR}，j∈{1，...，N CR}，且i≠j，SL传输
Figure PCTCN2023070653-appb-000094
和SL传输
Figure PCTCN2023070653-appb-000095
可以关联相同的第一阶段SCI格式，或者关联不同的第一阶段SCI格式。
可选地，SL传输
Figure PCTCN2023070653-appb-000096
关联同一个第二阶段SCI格式(例如称为第二SCI格式)。
可选地，对i∈{1，...，N CR}，j∈{1，...，N CR}，且i≠j，SL传输
Figure PCTCN2023070653-appb-000097
和SL传输
Figure PCTCN2023070653-appb-000098
可以关联相同的第二阶段SCI格式，或者关联不同的第二阶段SCI格式。
可选地，对i∈{1，...，N CR}，SL传输
Figure PCTCN2023070653-appb-000099
关联的第一阶段SCI格式中不包含所述第一协作请求中的任何信息。
可选地，对i∈{1，...，N CR}，SL传输
Figure PCTCN2023070653-appb-000100
关联的第一阶段SCI格式中包含所述第一协作请求中的部分或全部信息(例如所述第一协作请求的第一部分，又如所述第一协作请求的第二部分，又如所述第一协作请求的第一部分和所述第一协作请求的第二部分)。
可选地，对i∈{1，...，N CR}，SL传输
Figure PCTCN2023070653-appb-000101
关联的第二阶段SCI格式中不包含所述第一协作请求中的任何信息。
可选地，对i∈{1，...，N CR}，SL传输
Figure PCTCN2023070653-appb-000102
关联的第二阶段SCI格式中包含所述第一协作请求中的部分或全部信息(例如所述第一协作请求的第一部分，又如所述第一协作请求的第二部分，又如所述第一协作请求的第一部分和所述第一协作请求的第二部分)。
可选地，对i∈{1，...，N CR}，SL传输
Figure PCTCN2023070653-appb-000103
关联的第二阶段SCI格式中指示的源标识符是所述第一源层2标识符所对应的源层1标识符(例如，所述第一源层2标识符的8个最低有效位)。
可选地，对i∈{1，...，N CR}，SL传输
Figure PCTCN2023070653-appb-000104
关联的第二阶段SCI格式中指示的目的地标识符是所述第一目的地层2标识符所对应的目的地层1标识符(例如，所述第一目的地层2标识符的16个最低有效位)。
可选地，SL传输
Figure PCTCN2023070653-appb-000105
关联的第二阶段SCI格式中指示相同的“HARQ反馈使能/去使能指示器”(HARQ feedback enabled/disabled indicator)值，例如“使能”(enabled)，又如“去使能”(disabled)。
可选地，对i∈{1，...，N CR}，j∈{1，...，N CR}，且i≠j，SL传输
Figure PCTCN2023070653-appb-000106
和SL传输
Figure PCTCN2023070653-appb-000107
关联的第二阶段SCI格式中指示的“HARQ反馈使能/去使能指示器”值可以相同，或者不同。
可选地，对i∈{1，...，N CR}，SL传输
Figure PCTCN2023070653-appb-000108
携带的传输块中可以包含一个“协作请求MAC CE”。其中，所述协作请求MAC CE中包含所述第一协作请求中的部分或全部信息(例如所述第一协作请求的第一部分，又如所述第一协作请求的第二部分，又如所述第一协作请求的第一部分和所述第一协作请求的第二部分)。
可选地，在所述第一协作请求中指示一个协作请求标识符(例如称为“第一协作请求标识符”)。其中，所述第一协作请求标识符可以是所述UE-B随机生成的一个整数。
可选地，对i∈{1，...，N CR}，在时隙
Figure PCTCN2023070653-appb-000109
中传输的所述第一协作请求中指示
Figure PCTCN2023070653-appb-000110
例如，将
Figure PCTCN2023070653-appb-000111
指示为
Figure PCTCN2023070653-appb-000112
可选地，所述第一协作请求对应一个“协作响应窗口”(例如记为
Figure PCTCN2023070653-appb-000113
相应的起始时隙为
Figure PCTCN2023070653-appb-000114
结束时隙为
Figure PCTCN2023070653-appb-000115
大小为
Figure PCTCN2023070653-appb-000116
)。所述协作响应窗口可以用于指示对所述第一协作请求的响应执行接收操作的时间范围。例如，若在所述时隙
Figure PCTCN2023070653-appb-000117
(或者
Figure PCTCN2023070653-appb-000118
或者
Figure PCTCN2023070653-appb-000119
)结束后仍未接收到所述响应，则不再接收所述响应。
可选地，所述时隙
Figure PCTCN2023070653-appb-000120
与
Figure PCTCN2023070653-appb-000121
以及N CR中的一个或多个有关。例如，
Figure PCTCN2023070653-appb-000122
又如，
Figure PCTCN2023070653-appb-000123
Figure PCTCN2023070653-appb-000124
又如，
Figure PCTCN2023070653-appb-000125
又如，
Figure PCTCN2023070653-appb-000126
Figure PCTCN2023070653-appb-000127
又如，
Figure PCTCN2023070653-appb-000128
又如，
Figure PCTCN2023070653-appb-000129
Figure PCTCN2023070653-appb-000130
又如，
Figure PCTCN2023070653-appb-000131
又如，
Figure PCTCN2023070653-appb-000132
Figure PCTCN2023070653-appb-000133
又如，
Figure PCTCN2023070653-appb-000134
又如，
Figure PCTCN2023070653-appb-000135
Figure PCTCN2023070653-appb-000136
其中，
Figure PCTCN2023070653-appb-000137
可以等于
Figure PCTCN2023070653-appb-000138
或者
Figure PCTCN2023070653-appb-000139
或者
Figure PCTCN2023070653-appb-000140
可选地，所述时隙
Figure PCTCN2023070653-appb-000141
与所述时隙
Figure PCTCN2023070653-appb-000142
有关。例如，
Figure PCTCN2023070653-appb-000143
又如，
Figure PCTCN2023070653-appb-000144
又如，
Figure PCTCN2023070653-appb-000145
又如，
Figure PCTCN2023070653-appb-000146
又如，
Figure PCTCN2023070653-appb-000147
其中，
Figure PCTCN2023070653-appb-000148
可以等于
Figure PCTCN2023070653-appb-000149
或者
Figure PCTCN2023070653-appb-000150
或者
Figure PCTCN2023070653-appb-000151
可选地，
Figure PCTCN2023070653-appb-000152
与
Figure PCTCN2023070653-appb-000153
有关。例如，
Figure PCTCN2023070653-appb-000154
Figure PCTCN2023070653-appb-000155
又如，
Figure PCTCN2023070653-appb-000156
又如，
Figure PCTCN2023070653-appb-000157
Figure PCTCN2023070653-appb-000158
又如，
Figure PCTCN2023070653-appb-000159
又如，
Figure PCTCN2023070653-appb-000160
Figure PCTCN2023070653-appb-000161
其中，
Figure PCTCN2023070653-appb-000162
可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定。
可选地，在所述时隙
Figure PCTCN2023070653-appb-000163
启动一个协作响应定时器。其中，所述协作响应定时器可以由所述UE-B的MAC层实体维护；所述协作响应定时器的值(或者称为“初值”)可以等于
Figure PCTCN2023070653-appb-000164
可选地，所述第一协作请求对应一个“协作资源窗口”(或者称为“协作资源选择窗口”，例如记为
Figure PCTCN2023070653-appb-000165
相应的起始时隙为
Figure PCTCN2023070653-appb-000166
结束时隙为
Figure PCTCN2023070653-appb-000167
大小为
Figure PCTCN2023070653-appb-000168
)。所述协作资源窗口可以用于指示所请求的协作资源集合中的协作资源所在的时隙的范围。例如，任何一个所述协作资源所在的时隙不早于
Figure PCTCN2023070653-appb-000169
(或者
Figure PCTCN2023070653-appb-000170
或者
Figure PCTCN2023070653-appb-000171
)。又如，任何一个所述协作资源所在的时隙不晚于
Figure PCTCN2023070653-appb-000172
(或者
Figure PCTCN2023070653-appb-000173
或者
Figure PCTCN2023070653-appb-000174
)。
可选地，所述协作资源窗口的一个或多个参数(例如
Figure PCTCN2023070653-appb-000175
又如
Figure PCTCN2023070653-appb-000176
又如
Figure PCTCN2023070653-appb-000177
)由所述第一协作请求指示。例如，对i∈{1，...，N CR}中的一个或多个，在时隙
Figure PCTCN2023070653-appb-000178
中传输的所述第一协作请求中指示下面中的一项或多项：
●
Figure PCTCN2023070653-appb-000179
●
Figure PCTCN2023070653-appb-000180
●
Figure PCTCN2023070653-appb-000181
●
Figure PCTCN2023070653-appb-000182
●
Figure PCTCN2023070653-appb-000183
●
Figure PCTCN2023070653-appb-000184
●
Figure PCTCN2023070653-appb-000185
●
Figure PCTCN2023070653-appb-000186
●
Figure PCTCN2023070653-appb-000187
可选地，所述时隙
Figure PCTCN2023070653-appb-000188
与所述时隙
Figure PCTCN2023070653-appb-000189
有关。例如，
Figure PCTCN2023070653-appb-000190
又如，
Figure PCTCN2023070653-appb-000191
Figure PCTCN2023070653-appb-000192
又如，
Figure PCTCN2023070653-appb-000193
又如，
Figure PCTCN2023070653-appb-000194
又如，
Figure PCTCN2023070653-appb-000195
Figure PCTCN2023070653-appb-000196
其中，
Figure PCTCN2023070653-appb-000197
可以等于
Figure PCTCN2023070653-appb-000198
或者
Figure PCTCN2023070653-appb-000199
或者
Figure PCTCN2023070653-appb-000200
可选地，所述时隙
Figure PCTCN2023070653-appb-000201
与所述时隙
Figure PCTCN2023070653-appb-000202
有关。例如，
Figure PCTCN2023070653-appb-000203
又如，
Figure PCTCN2023070653-appb-000204
又如，
Figure PCTCN2023070653-appb-000205
又如，
Figure PCTCN2023070653-appb-000206
又如，
Figure PCTCN2023070653-appb-000207
其中，
Figure PCTCN2023070653-appb-000208
可以是一个预定义或配置或预配 置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示。
可选地，
Figure PCTCN2023070653-appb-000209
与
Figure PCTCN2023070653-appb-000210
有关。例如，
Figure PCTCN2023070653-appb-000211
Figure PCTCN2023070653-appb-000212
又如，
Figure PCTCN2023070653-appb-000213
又如，
Figure PCTCN2023070653-appb-000214
Figure PCTCN2023070653-appb-000215
又如，
Figure PCTCN2023070653-appb-000216
又如，
Figure PCTCN2023070653-appb-000217
Figure PCTCN2023070653-appb-000218
其中，
Figure PCTCN2023070653-appb-000219
可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示。
可选地，在所述第一协作请求中指示一个协作资源集合类型(例如称为“第一协作资源集合类型”)。例如，所述第一协作资源集合类型可以指示所请求的协作资源集合的类型，例如“优先资源集合”，又如“非优先资源集合”。
可选地，在所述第一协作请求中指示与所述UE-B将要传输(例如，向所述UE-A传输)的数据有关的信息，例如传输优先级，又如每个资源对应的子信道个数，又如资源预留周期。
可选地，所述第一协作请求的第一部分包括所述第一协作请求中的部分或全部与时间有关的信息，例如
Figure PCTCN2023070653-appb-000220
Figure PCTCN2023070653-appb-000221
Figure PCTCN2023070653-appb-000222
和
Figure PCTCN2023070653-appb-000223
中的一个或多个。
此外，在步骤S103，获取第一协作信息。其中，所述第一协作信息可以是所述UE-A对所述第一协作请求的响应。例如，接收(例如在资源 池u CI中接收)一个或多个SL传输，并从中确定用于携带所述第一协作信息的SL传输(例如，将所确定的用于携带所述第一协作信息的SL传输所在的时隙按时间先后顺序分别记为
Figure PCTCN2023070653-appb-000224
相应的SL传输分别记为
Figure PCTCN2023070653-appb-000225
其中N CI≥1。另外，N CI＝0可以对应未接收到任何用于携带所述第一协作信息的SL传输的情况)。所述SL传输
Figure PCTCN2023070653-appb-000226
可以是所述UE-A实际传输的用于携带所述第一协作信息的所有SL传输中的部分或全部。
可选地，若一个SL传输满足第一协作条件，则将所述SL传输确定为
Figure PCTCN2023070653-appb-000227
中的一个。其中，所述第一协作条件可以包括下面中的一项或多项(按“与”或者“或”的方式任意组合)：
●所述SL传输关联的第二阶段SCI格式中指示的源标识符等于所述第一目的地层2标识符的8个最低有效位。
●所述SL传输关联的第二阶段SCI格式中指示的目的地标识符等于所述第一源层2标识符的16个最低有效位。
●已成功解码(例如，第一次成功解码)所述SL传输关联的SL进程所对应的传输块的数据。
●所述SL传输关联的SL进程所对应的传输块中包含一个协作信息MAC CE。
●所述SL传输关联的SL进程所对应的传输块中的MAC PDU子头中的DST字段指示的值等于所述第一源层2标识符的8个最高有效位。
●所述SL传输关联的SL进程所对应的传输块中的MAC PDU子头 中的SRC字段指示的值等于所述第一目的地层2标识符的16个最高有效位。
●所述SL传输关联的第一阶段SCI格式中包含所述第一协作信息的部分或全部。
●所述SL传输关联的第二阶段SCI格式中包含所述第一协作信息的部分或全部。
●所述SL传输中包含的协作信息中指示一个协作请求标识符，且所述协作请求标识符等于所述第一协作请求标识符。
●所述SL传输中包含的协作信息中指示一个协作资源集合类型，且所述协作资源集合类型等于所述第一协作资源集合类型。
可选地，所述第一协作信息是和所述第一源层2标识符(或所述第一源层1标识符)和/或所述第一目的地层2标识符(或所述第一目的地层1标识符)关联的协作信息。例如，从一个不同于UE-A的其他UE(例如UE-C)接收到的协作信息不属于所述第一协作信息。
可选地，在接收到所述第一协作信息后，停止所述协作响应定时器。
可选地，若所述协作响应定时器超时，则取消对所述第一协作信息的接收。
可选地，所述第一协作信息中的一部分信息称为所述第一协作信息的第一部分，其余信息称为所述第一协作信息的第二部分。
可选地，SL传输
Figure PCTCN2023070653-appb-000228
关联同一个第一阶段SCI格式(例如称为第三SCI格式)。
可选地，对i∈{1，...，N CI}，j∈{1，...，N CI}，且i≠j，SL传输
Figure PCTCN2023070653-appb-000229
和 SL传输
Figure PCTCN2023070653-appb-000230
可以关联相同的第一阶段SCI格式，或者关联不同的第一阶段SCI格式。
可选地，SL传输
Figure PCTCN2023070653-appb-000231
关联同一个第二阶段SCI格式(例如称为第四SCI格式)。
可选地，对i∈{1，...，N CI}，j∈{1，...，N CI}，且i≠j，SL传输
Figure PCTCN2023070653-appb-000232
和SL传输
Figure PCTCN2023070653-appb-000233
可以关联相同的第二阶段SCI格式，或者关联不同的第二阶段SCI格式。
可选地，对i∈{1，...，N CI}，SL传输
Figure PCTCN2023070653-appb-000234
关联的第一阶段SCI格式中不包含所述第一协作信息中的任何信息。
可选地，对i∈{1，...，N CI}，SL传输
Figure PCTCN2023070653-appb-000235
关联的第一阶段SCI格式中可以包含所述第一协作信息的部分或全部(例如所述第一协作信息的第一部分，又如所述第一协作信息的第二部分，又如所述第一协作信息的第一部分和所述第一协作信息的第二部分)。
可选地，对i∈{1，...，N CI}，SL传输
Figure PCTCN2023070653-appb-000236
关联的第二阶段SCI格式中不包含所述第一协作信息中的任何信息。
可选地，对i∈{1，...，N CI}，SL传输
Figure PCTCN2023070653-appb-000237
关联的第二阶段SCI格式中可以包含所述第一协作信息的部分或全部(例如所述第一协作信息的第一部分，又如所述第一协作信息的第二部分，又如所述第一协作信息的第一部分和所述第一协作信息的第二部分)。
可选地，SL传输
Figure PCTCN2023070653-appb-000238
关联的第二阶段SCI格式中指示相同的“HARQ反馈使能/去使能指示器”值，例如“使能”，又如“去使能”。
对i∈{1，...，N CI}，j∈{1，...，N CI}，且i≠j，SL传输
Figure PCTCN2023070653-appb-000239
和SL传输
Figure PCTCN2023070653-appb-000240
关联的第一阶段SCI格式或第二阶段SCI格式中指示的“HARQ反馈使能/去使能指示器”值可以相同，或者不同。
可选地，对i∈{1，...，N CI}，SL传输
Figure PCTCN2023070653-appb-000241
携带的传输块中可以包含一个“协作信息MAC CE”。其中，所述协作信息MAC CE中包含所述第一协作信息的部分或全部(例如所述第一协作信息的第一部分，又如所述第一协作信息的第二部分，又如所述第一协作信息的第一部分和所述第一协作信息的第二部分)。
可选地，所述第一协作信息中包含M个RIC(Resource Indication Combination，资源指示组合，或者称为Resource Combination，资源组合)的信息，其中，M的取值范围可以由一个或多个预定义或配置或预配置的参数确定，例如M≥M min，又如M≤M max。可选地，M min(或者M min+1，或者M min-1)可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述UE-B自行确定，或者按其他方式确定，例如M min＝1，又如M min＝0。可选地，M max(或者M max+1，或者M max-1)可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述UE-B自行确定，或者按其他方式确定。可选地，当M≥1时，可以将所述M个RIC分别记为RIC 1，……，RIC M。
可选地，所述M个RIC用于指示一个协作资源集合(例如记为
Figure PCTCN2023070653-appb-000242
另外，记所述协作资源集合
Figure PCTCN2023070653-appb-000243
中的资源所在的资源池为
Figure PCTCN2023070653-appb-000244
)。
可选地，对m∈{1，...，M}，RIC m可以包含TRIV m、FRIV m和P rsvp，m中 的一个或多个，其中，TRIV m是一个TRIV(Time Resource Indicator Value，时间资源指示器值)，FRIV m是一个FRIV(Frequency Resource Indicator Value，频率资源指示器值)，P rsvp，m是一个RRP(Resource Reservation Period，资源预留周期)，其中，P rsvp，m可以表示所述资源预留周期内的毫秒的个数，或者物理时隙的个数，或者SL时隙的个数，或者逻辑时隙的个数。例如，RIC m可以定义为下面中的一项：
●(TRIV m，FRIV m)。
●(TRIV m，FRIV m，P rsvp，m)。
可选地，RIC m的定义和/或确定方式可以与所述协作资源集合
Figure PCTCN2023070653-appb-000245
的类型有关。例如，若所述协作资源集合
Figure PCTCN2023070653-appb-000246
是一个优先资源集合，则RIC m＝(TRIV m，FRIV m)。又如，若所述协作资源集合
Figure PCTCN2023070653-appb-000247
是一个优先资源集合，则忽略P rsvp，m(例如，在传输RIC m时，忽略P rsvp，m，即RIC m＝(TRIV m，FRIV m)；又如，在接收RIC m＝(TRIV m，FRIV m，P rsvp，m)时，忽略接收到的RIC m中的P rsvp，m)。又如，若所述协作资源集合
Figure PCTCN2023070653-appb-000248
是一个非优先资源集合，则RIC m＝(TRIV m，FRIV m，P rsvp，m)。
可选地，对m∈{1，...，M}，TRIV m和FRIV m指示所述协作资源集合
Figure PCTCN2023070653-appb-000249
中的
Figure PCTCN2023070653-appb-000250
个资源，其中，
Figure PCTCN2023070653-appb-000251
的取值范围可以由一个或多个预定义或配置或预配置的参数确定，例如
Figure PCTCN2023070653-appb-000252
又如
Figure PCTCN2023070653-appb-000253
Figure PCTCN2023070653-appb-000254
可选地，
Figure PCTCN2023070653-appb-000255
(或者
Figure PCTCN2023070653-appb-000256
或者
Figure PCTCN2023070653-appb-000257
)可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述UE-B自行确定，或者按其他方式确定，例如
Figure PCTCN2023070653-appb-000258
又如
Figure PCTCN2023070653-appb-000259
可选地，
Figure PCTCN2023070653-appb-000260
(或者
Figure PCTCN2023070653-appb-000261
或者
Figure PCTCN2023070653-appb-000262
)可以是一个预定义或配置或预配置的值(例如，高层参数sl-MaxNumPerReserve的值)，或者由一个或多个预定义或配置或预配置的参数确定(例如，由高层参数sl-MaxNumPerReserve确定)，或者由所述UE-B自行确定，或者按其他方式确定，例如
Figure PCTCN2023070653-appb-000263
又如
Figure PCTCN2023070653-appb-000264
又如
Figure PCTCN2023070653-appb-000265
又如
Figure PCTCN2023070653-appb-000266
可选地，当
Figure PCTCN2023070653-appb-000267
时，可以将所述
Figure PCTCN2023070653-appb-000268
个资源所在的时隙按时间先后顺序分别记为
Figure PCTCN2023070653-appb-000269
相应的所述
Figure PCTCN2023070653-appb-000270
个资源分别记为
Figure PCTCN2023070653-appb-000271
可选地，时隙
Figure PCTCN2023070653-appb-000272
各不相同。可选地，资源
Figure PCTCN2023070653-appb-000273
所对应的子信道个数相同，例如记为
Figure PCTCN2023070653-appb-000274
(例如表示
Figure PCTCN2023070653-appb-000275
个连续的子信道)。可选地，资源
Figure PCTCN2023070653-appb-000276
Figure PCTCN2023070653-appb-000277
可以分别称为RIC m对应的“第二RIC资源”，……，“第
Figure PCTCN2023070653-appb-000278
RIC资源”；例如，若
Figure PCTCN2023070653-appb-000279
则资源
Figure PCTCN2023070653-appb-000280
和
Figure PCTCN2023070653-appb-000281
可以分别称为RIC m(或者TRIV m)对应的第二RIC资源和第三RIC资源。
可选地，
Figure PCTCN2023070653-appb-000282
其中，可选地，
Figure PCTCN2023070653-appb-000283
是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示，或者按其他方式确定。例如，
Figure PCTCN2023070653-appb-000284
又如，
Figure PCTCN2023070653-appb-000285
又如，
Figure PCTCN2023070653-appb-000286
Figure PCTCN2023070653-appb-000287
又如，
Figure PCTCN2023070653-appb-000288
又如，
Figure PCTCN2023070653-appb-000289
可选地，对m 1∈{1，...，M}，m 2∈{1，...，M}，且m 1≠m 2，
Figure PCTCN2023070653-appb-000290
和
Figure PCTCN2023070653-appb-000291
可以相等，或者不等。
可选地，所述第一协作信息指示M个“第一RIC资源位置”，其中每个“第一RIC资源位置”可以对应一个“第一RIC资源”(例如将所 述M个“第一RIC资源”依次记为
Figure PCTCN2023070653-appb-000292
所述资源
Figure PCTCN2023070653-appb-000293
Figure PCTCN2023070653-appb-000294
所在的时隙分别记为
Figure PCTCN2023070653-appb-000295
起始子信道分别记为
Figure PCTCN2023070653-appb-000296
对m∈{1，...，M}，资源
Figure PCTCN2023070653-appb-000297
对应的子信道个数可以等于
Figure PCTCN2023070653-appb-000298
可选地，对m∈{1，...，M}，资源
Figure PCTCN2023070653-appb-000299
可以和RIC m关联，例如，对RIC m，资源
Figure PCTCN2023070653-appb-000300
可以对应所述SL资源预留过程中的“第一资源”，资源
Figure PCTCN2023070653-appb-000301
可以分别对应所述SL资源预留过程中的“第二资源”，……，“第
Figure PCTCN2023070653-appb-000302
资源”。
可选地，所述“第一RIC资源位置”可以指相应的“第一RIC资源”的时域位置，或者频域位置，或者时域位置及频域位置。
可选地，所述资源
Figure PCTCN2023070653-appb-000303
属于所述协作资源集合
Figure PCTCN2023070653-appb-000304
可选地，所述资源
Figure PCTCN2023070653-appb-000305
不属于所述协作资源集合
Figure PCTCN2023070653-appb-000306
(例如，可以认为所述资源
Figure PCTCN2023070653-appb-000307
Figure PCTCN2023070653-appb-000308
是用于给其他资源提供参考位置的“虚拟资源”)。
可选地，所述时隙
Figure PCTCN2023070653-appb-000309
可以按下面中的一种或多种方式指示：
●对m∈{1，...，M}，将时隙
Figure PCTCN2023070653-appb-000310
指示为
Figure PCTCN2023070653-appb-000311
或者
Figure PCTCN2023070653-appb-000312
●对m∈{1，...，M}，将时隙
Figure PCTCN2023070653-appb-000313
指示为
Figure PCTCN2023070653-appb-000314
或者
Figure PCTCN2023070653-appb-000315
●将时隙
Figure PCTCN2023070653-appb-000316
指示为
Figure PCTCN2023070653-appb-000317
或者
Figure PCTCN2023070653-appb-000318
●对m∈{2，...，M}，将时隙
Figure PCTCN2023070653-appb-000319
指示为
Figure PCTCN2023070653-appb-000320
或者
Figure PCTCN2023070653-appb-000321
其中，
●可选地，
Figure PCTCN2023070653-appb-000322
或者
Figure PCTCN2023070653-appb-000323
或者
Figure PCTCN2023070653-appb-000324
其中
Figure PCTCN2023070653-appb-000325
可以是一个预定义或配置或预配置的值(例如
Figure PCTCN2023070653-appb-000326
又如
Figure PCTCN2023070653-appb-000327
又如
Figure PCTCN2023070653-appb-000328
)，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示，或者与
Figure PCTCN2023070653-appb-000329
有关。
●可选地，对m∈{1，...，M}，
Figure PCTCN2023070653-appb-000330
或者
Figure PCTCN2023070653-appb-000331
Figure PCTCN2023070653-appb-000332
或者
Figure PCTCN2023070653-appb-000333
其中
Figure PCTCN2023070653-appb-000334
可以等于
Figure PCTCN2023070653-appb-000335
其中
Figure PCTCN2023070653-appb-000336
和
Figure PCTCN2023070653-appb-000337
中的任意一个可以是一个预定义或配置或预配置的值(例如
Figure PCTCN2023070653-appb-000338
又如
Figure PCTCN2023070653-appb-000339
又如
Figure PCTCN2023070653-appb-000340
又如
Figure PCTCN2023070653-appb-000341
又如
Figure PCTCN2023070653-appb-000342
又如
Figure PCTCN2023070653-appb-000343
又如
Figure PCTCN2023070653-appb-000344
又如
Figure PCTCN2023070653-appb-000345
又如
Figure PCTCN2023070653-appb-000346
又如
Figure PCTCN2023070653-appb-000347
又如
Figure PCTCN2023070653-appb-000348
又如
Figure PCTCN2023070653-appb-000349
又如
Figure PCTCN2023070653-appb-000350
又如
Figure PCTCN2023070653-appb-000351
)，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示，或者与
Figure PCTCN2023070653-appb-000352
有关。
可选地，对m∈{1，...，M}，可以认为
Figure PCTCN2023070653-appb-000353
和/或
Figure PCTCN2023070653-appb-000354
是RIC m的一部分，相应地，对
Figure PCTCN2023070653-appb-000355
和/或
Figure PCTCN2023070653-appb-000356
的指示可以包含在对RIC m的指示中(即不单独指示所述M个“第一RIC资源位置”)。例如，RIC m可以定义为下面中的一项：
●
Figure PCTCN2023070653-appb-000357
●
Figure PCTCN2023070653-appb-000358
●
Figure PCTCN2023070653-appb-000359
●
Figure PCTCN2023070653-appb-000360
●
Figure PCTCN2023070653-appb-000361
●
Figure PCTCN2023070653-appb-000362
可选地，对m∈{1，...，M}，TRIV m可以指示
Figure PCTCN2023070653-appb-000363
以及时隙偏移
Figure PCTCN2023070653-appb-000364
FRIV m可以指示资源
Figure PCTCN2023070653-appb-000365
分别对应的起始子信道(例如分别记为
Figure PCTCN2023070653-appb-000366
以及资源
Figure PCTCN2023070653-appb-000367
中每个资源对应的子信道个数
Figure PCTCN2023070653-appb-000368
具体地，例如，所述SL资源预留过程中TRIV和FRIV的定义经适当修改后可以用于分别解释TRIV m和FRIV m，其中，所述修改可以包括下面中的一项或多项：
●将所述TRIV替换为所述TRIV m。
●将所述FRIV替换为所述FRIV m。
●将所述第一资源替换为所述第一RIC资源。
●将所述第二资源替换为所述第二RIC资源。
●将所述第三资源替换为所述第三RIC资源。
●不使用(或者忽略，或者丢弃)所述“第一资源”。
●不使用(或者忽略，或者丢弃)所述“第一RIC资源”。
●将所述时隙
Figure PCTCN2023070653-appb-000369
(或者“接收到所述SCI的时隙”)替换为所述时隙
Figure PCTCN2023070653-appb-000370
(即所述TRIV m对应的“第一RIC资源位置”)。
●所述第二资源的时隙偏移为
Figure PCTCN2023070653-appb-000371
其中
Figure PCTCN2023070653-appb-000372
可以是一个预定义或配置或预配置的值(例如
Figure PCTCN2023070653-appb-000373
又如
Figure PCTCN2023070653-appb-000374
又如
Figure PCTCN2023070653-appb-000375
)，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示，或者与
Figure PCTCN2023070653-appb-000376
有关。
●所述第三资源的时隙偏移为
Figure PCTCN2023070653-appb-000377
其中
Figure PCTCN2023070653-appb-000378
可以是一个预定义或配置或预配置的值(例如
Figure PCTCN2023070653-appb-000379
又如
Figure PCTCN2023070653-appb-000380
又如
Figure PCTCN2023070653-appb-000381
)，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示，或者与
Figure PCTCN2023070653-appb-000382
有关。
●将所述时隙偏移t 1替换为所述时隙偏移
Figure PCTCN2023070653-appb-000383
●将所述时隙偏移t 2替换为所述时隙偏移
Figure PCTCN2023070653-appb-000384
●将所述起始子信道
Figure PCTCN2023070653-appb-000385
替换为所述起始子信道
Figure PCTCN2023070653-appb-000386
●将所述起始子信道
Figure PCTCN2023070653-appb-000387
替换为所述起始子信道
Figure PCTCN2023070653-appb-000388
●将所述SCI(或者“接收到的SCI”)替换为(TRIV m，FRIV m)。
●将所述N替换为
Figure PCTCN2023070653-appb-000389
(例如，N可以表示资源
Figure PCTCN2023070653-appb-000390
以及
Figure PCTCN2023070653-appb-000391
对应的总的资源个数)。
●将所述
Figure PCTCN2023070653-appb-000392
替换为所述资源池
Figure PCTCN2023070653-appb-000393
的子信道个数
Figure PCTCN2023070653-appb-000394
●将sl-MaxNumPerReserve的值设置为一个固定的值(例如2，又如3)。
●将sl-MaxNumPerReserve替换为另一个参数(例如记为sl-MaxNumPerReserveRIC)，其中sl-MaxNumPerReserveRIC的取 值可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示。
可选地，对m∈{1，...，M}，
Figure PCTCN2023070653-appb-000395
P rsvp，m(或者，RIC m)可以指示所述协作资源集合
Figure PCTCN2023070653-appb-000396
中的
Figure PCTCN2023070653-appb-000397
个资源，其中，
Figure PCTCN2023070653-appb-000398
可以是一个大于或等于0的整数，或者是一个大于或等于1的整数。当
Figure PCTCN2023070653-appb-000399
时，所述
Figure PCTCN2023070653-appb-000400
个资源所在的时隙按时间先后顺序可以分别记为
Figure PCTCN2023070653-appb-000401
相应的资源可以分别记为
Figure PCTCN2023070653-appb-000402
Figure PCTCN2023070653-appb-000403
可选地，在频域，资源
Figure PCTCN2023070653-appb-000404
中的每一个都与资源
Figure PCTCN2023070653-appb-000405
对应相同的子信道集合(即以
Figure PCTCN2023070653-appb-000406
为起始子信道的
Figure PCTCN2023070653-appb-000407
个连续的子信道)。可选地，在时域，对
Figure PCTCN2023070653-appb-000408
Figure PCTCN2023070653-appb-000409
其中，
Figure PCTCN2023070653-appb-000410
可以是P rsvp，m所对应的逻辑时隙的个数(例如，P rsvp，m表示相应的资源预留周期内的毫秒的个数，
Figure PCTCN2023070653-appb-000411
又如，P rsvp，m表示相应的资源预留周期内的逻辑时隙的个数，P rsvp，m＝P rsvp，m)，或者等于P rsvp，m。所述
Figure PCTCN2023070653-appb-000412
个资源可以称为资源
Figure PCTCN2023070653-appb-000413
所对应的周期性预留的资源。
可选地，若RIC m中不包含P rsvp，m(或者P rsvp，m已被忽略，或者P rsvp，m＝P rsvp，0，其中，P rsvp，0是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示，例如P rsvp，0＝0)，则
Figure PCTCN2023070653-appb-000414
可选地，对m∈{1，...，M}，
Figure PCTCN2023070653-appb-000415
Figure PCTCN2023070653-appb-000416
等于
Figure PCTCN2023070653-appb-000417
Figure PCTCN2023070653-appb-000418
和
Figure PCTCN2023070653-appb-000419
中的一个。其中，可选地，
Figure PCTCN2023070653-appb-000420
是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示。
可选地，对m∈{1，...，M}，
Figure PCTCN2023070653-appb-000421
其中，
Figure PCTCN2023070653-appb-000422
是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示。
可选地，
Figure PCTCN2023070653-appb-000423
其中，
Figure PCTCN2023070653-appb-000424
是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定，或者由所述第一协作请求指示，或者由所述第一协作信息指示。
可选地，对m∈{1，...，M}，
Figure PCTCN2023070653-appb-000425
Figure PCTCN2023070653-appb-000426
与所述协作资源窗口的一个或多个参数(例如
Figure PCTCN2023070653-appb-000427
又如
Figure PCTCN2023070653-appb-000428
又如
Figure PCTCN2023070653-appb-000429
)和/或P rsvp，m和/或
Figure PCTCN2023070653-appb-000430
有关。例如，
Figure PCTCN2023070653-appb-000431
是使时隙
Figure PCTCN2023070653-appb-000432
落在所述协作资源窗口内的j的最大值。又如，若满足第一资源预留周期条件，则
Figure PCTCN2023070653-appb-000433
又如，若不满足所述第一资源预留周期条件，则
Figure PCTCN2023070653-appb-000434
(或者，
Figure PCTCN2023070653-appb-000435
或者，
Figure PCTCN2023070653-appb-000436
)。又如，若满足第二资源预留周期条件，则
Figure PCTCN2023070653-appb-000437
(或者，
Figure PCTCN2023070653-appb-000438
或者，
Figure PCTCN2023070653-appb-000439
)。又如，若不满足所述第二资源预留周期条件，则
Figure PCTCN2023070653-appb-000440
可选地，所述
Figure PCTCN2023070653-appb-000441
可以与
Figure PCTCN2023070653-appb-000442
和
Figure PCTCN2023070653-appb-000443
中的一个或多个有关，例如
Figure PCTCN2023070653-appb-000444
又如
Figure PCTCN2023070653-appb-000445
又如
Figure PCTCN2023070653-appb-000446
又如
Figure PCTCN2023070653-appb-000447
又如
Figure PCTCN2023070653-appb-000448
又如
Figure PCTCN2023070653-appb-000449
又如
Figure PCTCN2023070653-appb-000450
Figure PCTCN2023070653-appb-000451
又如
Figure PCTCN2023070653-appb-000452
又如
Figure PCTCN2023070653-appb-000453
Figure PCTCN2023070653-appb-000454
可选地，所述第一资源预留周期条件可以包括下面中的一项或多项(按“与”或者“或”的方式任意组合)：
●
Figure PCTCN2023070653-appb-000455
●
Figure PCTCN2023070653-appb-000456
可选地，所述第二资源预留周期条件可以包括下面中的一项或多项(按“与”或者“或”的方式任意组合)：
●
Figure PCTCN2023070653-appb-000457
●
Figure PCTCN2023070653-appb-000458
可选地，所述第一协作信息的第一部分包括下面中的一项或多项：
●所述M。
●所述M个RIC(例如依次为RIC 1，……，RIC M)。
●所述M个“第一RIC资源位置”(例如依次为
Figure PCTCN2023070653-appb-000459
)。
●所述第二协作资源集合类型。
●所述第二协作请求标识符。
可选地，所述第一协作信息的第二部分包括下面中的一项或多项：
●所述M。
●所述M个RIC(例如依次为RIC 1，……，RIC M)。
●所述M个“第一RIC资源位置”(例如依次为
Figure PCTCN2023070653-appb-000460
)。
●所述第二协作资源集合类型。
●所述第二协作请求标识符。
可选地，所述协作信息MAC CE中包含一个“协作信息控制元素”字段。其中，可选地，所述协作信息控制元素字段的内容包括下面中的一项或多项参数(例如按如下所示顺序排列，又如按任意其他顺序排列；例如从最高有效位开始，又如从最低有效位开始)：
●所述M。
●所述M个RIC(例如依次为RIC 1，……，RIC M)。
●所述M个第一RIC资源位置(例如依次为
Figure PCTCN2023070653-appb-000461
)。
●所述第二协作资源集合类型。
●所述第二协作请求标识符。
可选地，所述协作信息控制元素字段的长度和/或类型可以与下面中的一项或多项有关：
●所述资源池
Figure PCTCN2023070653-appb-000462
的子信道的个数
Figure PCTCN2023070653-appb-000463
●所述资源池
Figure PCTCN2023070653-appb-000464
的资源预留周期的个数
Figure PCTCN2023070653-appb-000465
可选地，若所述协作信息控制元素字段对应的所有参数的长度之和(例如记为
Figure PCTCN2023070653-appb-000466
例如表示
Figure PCTCN2023070653-appb-000467
比特)不是8的倍数(例如整数倍)，则在所述协作信息控制元素字段的内容的最后添加比特‘0’以使得所述协作信息控制元素字段的长度(例如记为
Figure PCTCN2023070653-appb-000468
例如表示
Figure PCTCN2023070653-appb-000469
比特)是8的倍数(例如整数倍)。具体地，例如，若所述协作信息控制元素字段对应的参数依次是
Figure PCTCN2023070653-appb-000470
且对m∈{1，...，M}，RIC m和
Figure PCTCN2023070653-appb-000471
的长度分别为
Figure PCTCN2023070653-appb-000472
和
Figure PCTCN2023070653-appb-000473
则
Figure PCTCN2023070653-appb-000474
相应地，在所述协作信息控制元素字段的内容的最后添加
Figure PCTCN2023070653-appb-000475
个比特‘0’。
可选地，对m∈{1，...，M}，RIC m对应所述协作信息MAC CE中的一个“RIC m控制元素”字段。其中，所述“RIC m控制元素”字段的类型可以是多个预定义的类型中的一个。
可选地，所述“RIC m控制元素”字段的类型可以与下面中的一项或多项有关：
●所述资源池
Figure PCTCN2023070653-appb-000476
的子信道的个数
Figure PCTCN2023070653-appb-000477
●所述资源池
Figure PCTCN2023070653-appb-000478
的资源预留周期的个数
Figure PCTCN2023070653-appb-000479
例如，对RIC m＝(TRIV m，FRIV m)，按下面中的一种或多种方式确定所述“RIC m控制元素”字段的类型：
●若
Figure PCTCN2023070653-appb-000480
则所述“RIC m控制元素”字段的类型是“第一RIC控制元素类型”。具体地，例如，
Figure PCTCN2023070653-appb-000481
Figure PCTCN2023070653-appb-000482
图4示出了所述第一RIC控制元素类型的一个例子。
●若
Figure PCTCN2023070653-appb-000483
则所述“RIC m控制元素”字段的类型是“第二RIC控制元素类型”。具体地，例如，
Figure PCTCN2023070653-appb-000484
Figure PCTCN2023070653-appb-000485
图5示出了所述第二RIC控制元素类型的一个例子。
又如，对RIC m＝(TRIV m，FRIV m，P rsvp，m)，按下面中的一种或多种方式确定所述“RIC m控制元素”字段的类型：
●若
Figure PCTCN2023070653-appb-000486
则所述“RIC m控制元素”字 段的类型是“第三RIC控制元素类型”。具体地，例如，
Figure PCTCN2023070653-appb-000487
Figure PCTCN2023070653-appb-000488
图6示出了所述第三RIC控制元素类型的一个例子。
●若
Figure PCTCN2023070653-appb-000489
则所述“RIC m控制元素”字段的类型是“第四RIC控制元素类型”。具体地，例如，
Figure PCTCN2023070653-appb-000490
Figure PCTCN2023070653-appb-000491
图7示出了所述第四RIC控制元素类型的一个例子。
●若
Figure PCTCN2023070653-appb-000492
则所述“RIC m控制元素”字段的类型是“第五RIC控制元素类型”。具体地，例如，
Figure PCTCN2023070653-appb-000493
图8示出了所述第五RIC控制元素类型的一个例子。
可选地，若一个SL传输满足第二协作条件，则对所述SL传输执行第二协作操作。
可选地，所述第二协作条件可以包括下面中的一项或多项(按“与”或者“或”的方式任意组合)：
●未使能UE间协作功能。
●未使能所述第一协作方案。
●已使能UE间协作功能。
●已使能所述第一协作方案。
●所述SL传输关联的第一阶段SCI格式中包含部分或全部协作信息。
●所述SL传输关联的第二阶段SCI格式中包含部分或全部协作信息(例如，所述第二阶段SCI格式是SCI格式2-C；又如，所述 第二阶段SCI格式是SCI格式2-D)。
●所述UE-B没有能力接收和/或处理包含协作信息的第一阶段SCI格式。
●所述UE-B没有能力接收和/或处理包含协作信息的第二阶段SCI格式(例如，SCI格式2-C；又如，SCI格式2-D)。
●所述UE-B没有能力接收和/或处理所述SL传输关联的第一阶段SCI格式中包含的协作信息。
●所述UE-B没有能力接收和/或处理所述SL传输关联的第二阶段SCI格式中包含的协作信息。
●所述SL传输关联的第二阶段SCI格式中指示的源标识符不等于所述第一目的地层1标识符。
●所述SL传输关联的第二阶段SCI格式中指示的目的地标识符不等于所述第一源层1标识符。
●所述SL传输关联的第一阶段SCI格式中指示的协作请求标识符不等于所述第一协作请求标识符。
●所述SL传输关联的第二阶段SCI格式中指示的协作请求标识符不等于所述第一协作请求标识符。
●所述SL传输关联的第一阶段SCI格式中指示的协作资源集合类型不等于所述第一协作资源集合类型。
●所述SL传输关联的第二阶段SCI格式中指示的协作资源集合类型不等于所述第一协作资源集合类型。
●所述SL传输关联的第二阶段SCI格式中指示的“HARQ反馈使 能/去使能指示器”的值为“使能”。
●所述SL传输关联的第二阶段SCI格式中指示的“HARQ反馈使能/去使能指示器”的值为“去使能”。
可选地，所述第二协作操作可以包括下面中的一项或多项：
●丢弃(或忽略)所述SL传输关联的第一阶段SCI格式。
●丢弃(或忽略)所述SL传输关联的第二阶段SCI格式。
●丢弃(或忽略)所述SL传输关联的第一阶段SCI格式中指示的协作信息。
●丢弃(或忽略)所述SL传输关联的第二阶段SCI格式中指示的协作信息。
●丢弃(或忽略)所述SL传输关联的第一阶段SCI格式中指示的协作资源集合。
●丢弃(或忽略)所述SL传输关联的第二阶段SCI格式中指示的协作资源集合。
●丢弃(或忽略)所述SL传输中携带的传输块。
●生成一个对所述SL传输中携带的传输块(或者，所述传输块中的数据)的否定应答(negative acknowledgement)。例如，由所述UE-B的MAC层实体指示所述UE-B的物理层实体生成所述否定应答。
可选地，若一个传输块满足第三协作条件，则对所述传输块执行第三协作操作。
可选地，所述第三协作信息处理条件可以包括下面中的一项或多项 (按“与”或者“或”的方式任意组合)：
●未使能UE间协作功能。
●未使能所述第一协作方案。
●已使能UE间协作功能。
●已使能所述第一协作方案。
●已成功解码(例如，第一次成功解码)所述传输块的数据。
●所述传输块中包含一个协作信息MAC CE。
●携带所述传输块的一个或多个SL传输关联的第一阶段SCI格式中包含部分或全部协作信息。
●携带所述传输块的一个或多个SL传输关联的第二阶段SCI格式中包含部分或全部协作信息(例如，所述第二阶段SCI格式是SCI格式2-C；又如，所述第二阶段SCI格式是SCI格式2-D)。
●所述UE-B有能力接收和/或处理包含协作信息的第一阶段SCI格式。
●所述UE-B有能力接收和/或处理包含协作信息的第二阶段SCI格式(例如，SCI格式2-C；又如，SCI格式2-D)。
●所述UE-B已处理携带所述传输块的一个或多个SL传输关联的第一阶段SCI格式中包含的协作信息。
●所述UE-B已处理携带所述传输块的一个或多个SL传输关联的第二阶段SCI格式中包含的协作信息。
可选地，所述第三协作操作可以包括：丢弃(或忽略)所述传输块中的协作信息MAC CE。
可选地，若一个传输块满足第四协作条件，则对所述传输块执行第四协作操作。
可选地，所述第四协作条件可以包括下面中的一项或多项(按“与”或者“或”的方式任意组合)：
●未使能UE间协作功能。
●未使能所述第一协作方案。
●已使能UE间协作功能。
●已使能所述第一协作方案。
●已成功解码(例如，第一次成功解码)所述传输块的数据。
●所述传输块中包含一个协作信息MAC CE。
●所述UE-B未处理携带所述传输块的任何SL传输对应的、包含协作信息的第一阶段SCI格式。
●所述UE-B未处理携带所述传输块的任何SL传输对应的、包含协作信息的第二阶段SCI格式(例如，SCI格式2-C；又如，SCI格式2-D)。
●所述UE-B未处理携带所述传输块的任何SL传输对应的第一阶段SCI格式中的协作信息。
●所述UE-B未处理携带所述传输块的任何SL传输对应的第二阶段SCI格式中的协作信息。
可选地，所述第四协作操作可以包括：处理所述协作信息MAC CE(例如，确定相应的协作资源集合
Figure PCTCN2023070653-appb-000494
中每个资源的时域和频域位置，执行资源选择/重选，等等)。
可选地，在本发明的实施例一中，
Figure PCTCN2023070653-appb-000495
可以是所述时隙
Figure PCTCN2023070653-appb-000496
或者所述时隙
Figure PCTCN2023070653-appb-000497
或者所述时隙
Figure PCTCN2023070653-appb-000498
或者所述时隙
Figure PCTCN2023070653-appb-000499
或者所述时隙
Figure PCTCN2023070653-appb-000500
可选地，在本发明的实施例一中，“包含在MAC CE中”可以替换为“用MAC CE传输”。
可选地，在本发明的实施例一中，“包含在SCI中”可以替换为“用SCI传输”。
可选地，在本发明的实施例一中，“资源预留周期”可以替换为“资源预留间隔”(Resource Reservation Interval)。
可选地，在本发明的实施例一中，对m∈{1，...，M}，RIC m中的各个项可以以任意方式排列，例如(TRIV m，FRIV m)可以替换为(FRIV m，TRIV m)，又如
Figure PCTCN2023070653-appb-000501
可以替换为
Figure PCTCN2023070653-appb-000502
可选地，在本发明的实施例一中，所述资源池u CR、u CI和
Figure PCTCN2023070653-appb-000503
是同一个资源池。
可选地，在本发明的实施例一中，一个资源池u的子信道的个数
Figure PCTCN2023070653-appb-000504
可以由所述资源池u的高层参数sl-NumSubchannel配置或预配置。
可选地，在本发明的实施例一中，一个资源池u的资源预留周期的个数
Figure PCTCN2023070653-appb-000505
可以等于所述资源池u的高层参数sl-ResourceReservePeriodList配置或预配置的资源预留周期的个数。
可选地，在本发明的实施例一中，在适用的情况下，“协作信息”可以替换为“协作资源集合”。
可选地，在本发明的实施例一中，所述第一SCI格式和所述第三SCI格式可以是同一个SCI格式(例如称为“第一协作SCI格式”)。可选地，所述第一协作SCI格式中包含一个“SCI格式标识符”字段(例如，所述SCI格式标识符字段可以是所述第一协作SCI格式中的第一个字段)，其中，若所述SCI格式标识符字段指示所述第一协作SCI格式用于协作请求，则所述第一协作SCI格式的其余字段用于指示所述第一协作请求；若所述SCI格式标识符字段指示所述第一协作SCI格式用于协作信息，则所述第一协作SCI格式的其余字段用于指示所述第一协作信息。
可选地，在本发明的实施例一中，为确定所述第一协作SCI格式的大小，执行下面中的一项或多项填充操作：
●若
Figure PCTCN2023070653-appb-000506
则对用于协作请求的所述第一协作SCI格式填充比特‘0’直至用于协作请求的所述第一协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000507
●若
Figure PCTCN2023070653-appb-000508
则对用于协作信息的所述第一协作SCI格式填充比特‘0’直至用于协作信息的所述第一协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000509
●若
Figure PCTCN2023070653-appb-000510
则对用于协作请求的所述第一协作SCI格式填充比特‘0’直至用于协作请求的所述第一协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000511
●若
Figure PCTCN2023070653-appb-000512
则对用于协作信息的所述第一协作SCI格式填充比特‘0’直至用于协作信息的所述第一协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000513
其中，
Figure PCTCN2023070653-appb-000514
和
Figure PCTCN2023070653-appb-000515
分别是用于协作请求的所述第一协作SCI格式和用于协作信息的所述第一协作SCI格式的信息比特(或有效负荷，payload)的大小，
Figure PCTCN2023070653-appb-000516
可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数的值确定。
可选地，在本发明的实施例一中，所述第二SCI格式和所述第四SCI格式可以是同一个SCI格式(例如称为“第二协作SCI格式”；具体地，例如，SCI格式2-C)。可选地，所述第二协作SCI格式中包含一个“SCI格式标识符”字段(例如，所述SCI格式标识符字段可以是所述第二协作SCI格式中的第一个字段)，其中，若所述SCI格式标识符字段指示所述第二协作SCI格式用于协作请求，则所述第二协作SCI格式的其余字段用于指示所述第一协作请求；若所述SCI格式标识符字段指示所述第二协作SCI格式用于协作信息，则所述第二协作SCI格式的其余字段用于指示所述第一协作信息。
可选地，在本发明的实施例一中，为确定所述第二协作SCI格式的大小，执行下面中的一项或多项填充操作：
●若
Figure PCTCN2023070653-appb-000517
则对用于协作请求的所述第二协作SCI格式填充比特‘0’直至用于协作请求的所述第二协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000518
●若
Figure PCTCN2023070653-appb-000519
则对用于协作信息的所述第二协作SCI格式填充比特‘0’直至用于协作信息的所述第二协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000520
●若
Figure PCTCN2023070653-appb-000521
则对用于协作请求的所述第二协作SCI 格式填充比特‘0’直至用于协作请求的所述第二协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000522
●若
Figure PCTCN2023070653-appb-000523
则对用于协作信息的所述第二协作SCI格式填充比特‘0’直至用于协作信息的所述第二协作SCI格式的有效负荷的大小等于
Figure PCTCN2023070653-appb-000524
其中，
Figure PCTCN2023070653-appb-000525
和
Figure PCTCN2023070653-appb-000526
分别是用于协作请求的所述第二协作SCI格式和用于协作信息的所述第二协作SCI格式的信息比特(或有效负荷)的大小，
Figure PCTCN2023070653-appb-000527
可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数的值确定。
可选地，在本发明的实施例一中，
Figure PCTCN2023070653-appb-000528
可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定。
可选地，在本发明的实施例一中，
Figure PCTCN2023070653-appb-000529
可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定。
可选地，在本发明的实施例一中，
Figure PCTCN2023070653-appb-000530
可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定。
可选地，在本发明的实施例一中，
Figure PCTCN2023070653-appb-000531
和
Figure PCTCN2023070653-appb-000532
中的任意一个可以等于下面中的任意一项：
●0。
●
Figure PCTCN2023070653-appb-000533
●
Figure PCTCN2023070653-appb-000534
●
Figure PCTCN2023070653-appb-000535
●
Figure PCTCN2023070653-appb-000536
●
Figure PCTCN2023070653-appb-000537
●
Figure PCTCN2023070653-appb-000538
●
Figure PCTCN2023070653-appb-000539
●
Figure PCTCN2023070653-appb-000540
●
Figure PCTCN2023070653-appb-000541
●
Figure PCTCN2023070653-appb-000542
●
Figure PCTCN2023070653-appb-000543
●
Figure PCTCN2023070653-appb-000544
●
Figure PCTCN2023070653-appb-000545
●
Figure PCTCN2023070653-appb-000546
●
Figure PCTCN2023070653-appb-000547
其中，
●T proc，0可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定。T proc，0可以与μ有关。例如，若μ＝0，则T proc， 0＝1；又如，若μ＝1，则T proc，0＝1；又如，若μ＝2，则T proc，0＝2；又如，若μ＝3，则T proc，0＝4。
●T proc，1可以是一个预定义或配置或预配置的值，或者由一个或多个预定义或配置或预配置的参数确定。T proc，1可以与μ有关。例如，若μ＝0，则T proc，1＝3；又如，若μ＝1，则T proc，1＝5；又如，若μ＝2，则T proc，1＝9；又如，若μ＝3，则T proc，1＝17。
这样，根据实施例一所述，本发明提供了一种方法，通过为不同的资 源池大小范围确定不同长度的资源指示组合对应的MAC CE字段的类型，有效地降低了在MAC CE中指示一个协作资源集合指示的开销，使得UE间协作信息的传输得以高效地完成；另外，通过灵活地指示“第一资源位置”的值，使得在一个资源指示组合可以高效地指示相应的协作资源窗口内任意时隙中的资源。
在本发明中，“UE间协作”以及其他相关的术语(例如“协作信息”、“协作请求”、“优先资源”、“非优先资源”、“侧行协作控制信息”、“物理侧行协作信息信道/信号”、“物理侧行协作请求信道/信号”、“协作资源集合”字段等)可以由其在系统中的功能和/或相应的流程和/或相应的信令进行定义。这些术语在应用到具体的系统中时，可以替换为其他的名称。
[变形例]
下面，利用图9来说明作为一种变形例的可执行本发明上面所详细描述的用户设备执行的方法的用户设备。
图9是表示本发明所涉及的用户设备UE的框图。
如图9所示，该用户设备UE90包括处理器901和存储器902。处理器901例如可以包括微处理器、微控制器、嵌入式处理器等。存储器902例如可以包括易失性存储器(如随机存取存储器RAM)、硬盘驱动器(HDD)、非易失性存储器(如闪速存储器)、或其他存储器等。存储器902上存储有程序指令。该指令在由处理器901运行时，可以执行本发 明详细描述的由用户设备执行的上述方法。
上文已经结合优选实施例对本发明的方法和涉及的设备进行了描述。本领域技术人员可以理解，上面示出的方法仅是示例性的，而且以上说明的各实施例在不发生矛盾的情况下能够相互组合。本发明的方法并不局限于上面示出的步骤和顺序。上面示出的网络节点和用户设备可以包括更多的模块，例如还可以包括可以开发的或者将来开发的可用于基站、AMF(Access and Mobility Management Function，接入和移动性管理功能)、UPF(User Plane Function，用户面功能)、MME(Mobility Management Entity，移动管理实体)、S-GW(Serving Gateway，服务网关)或UE的模块等等。上文中示出的各种标识仅是示例性的而不是限制性的，本发明并不局限于作为这些标识的示例的具体信元。本领域技术人员根据所示实施例的教导可以进行许多变化和修改。本领域技术人员应该理解，数学表达式或数学等式或数学不等式的部分或全部可以进行一定程度的简化或者变换或者重写，例如合并常数项，又如交换两个加法项，又如交换两个乘法项，又如将一个项改变正负号后从等式或不等式的左边移动到右边，又如将一个项改变正负号后从等式或不等式的右边移动到左边，等等；简化或者变换或者重写前后的数学表达式或数学等式或数学不等式可以认为是等同的。
应该理解，本发明的上述实施例可以通过软件、硬件或者软件和硬件两者的结合来实现。例如，上述实施例中的基站和用户设备内部的各种组件可以通过多种器件来实现，这些器件包括但不限于：模拟电路器件、数 字电路器件、数字信号处理(DSP)电路、可编程处理器、专用集成电路(ASIC)、现场可编程门阵列(FPGA)、可编程逻辑器件(CPLD)，等等。
在本发明中，“基站”可以指具有一定发射功率和一定覆盖面积的移动通信数据和/或控制交换中心，例如包括资源分配调度、数据接收和传输等功能。“用户设备”可以指用户移动终端，例如包括移动电话、笔记本等可以与基站或者微基站进行无线通信的终端设备。
此外，这里所公开的本发明的实施例可以在计算机程序产品上实现。更具体地，该计算机程序产品是如下的一种产品：具有计算机可读介质，计算机可读介质上编码有计算机程序逻辑，当在计算设备上执行时，该计算机程序逻辑提供相关的操作以实现本发明的上述技术方案。当在计算系统的至少一个处理器上执行时，计算机程序逻辑使得处理器执行本发明实施例所述的操作(方法)。本发明的这种设置典型地提供为设置或编码在例如光介质(例如CD-ROM)、软盘或硬盘等的计算机可读介质上的软件、代码和/或其他数据结构、或者诸如一个或多个ROM或RAM或PROM芯片上的固件或微代码的其他介质、或一个或多个模块中的可下载的软件图像、共享数据库等。软件或固件或这种配置可安装在计算设备上，以使得计算设备中的一个或多个处理器执行本发明实施例所描述的技术方案。
此外，上述每个实施例中所使用的基站设备和终端设备的每个功能模块或各个特征可以由电路实现或执行，所述电路通常为一个或多个集成电路。设计用于执行本说明书中所描述的各个功能的电路可以包括通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)或通用集成电路、 现场可编程门阵列(FPGA)或其他可编程逻辑器件、分立的门或晶体管逻辑、或分立的硬件组件、或以上器件的任意组合。通用处理器可以是微处理器，或者所述处理器可以是现有的处理器、控制器、微控制器或状态机。上述通用处理器或每个电路可以由数字电路配置，或者可以由逻辑电路配置。此外，当由于半导体技术的进步，出现了能够替代目前的集成电路的先进技术时，本发明也可以使用利用该先进技术得到的集成电路。
尽管以上已经结合本发明的优选实施例示出了本发明，但是本领域的技术人员将会理解，在不脱离本发明的精神和范围的情况下，可以对本发明进行各种修改、替换和改变。因此，本发明不应由上述实施例来限定，而应由所附权利要求及其等价物来限定。

Claims (2)

  1. 一种由用户设备UE执行的方法，其特征在于包括：
    在资源池u接收一个协作信息MAC CE；以及，
    根据所述协作信息MAC CE确定在所述资源池u上的一个协作资源集合R，其中，
    所述协作资源集合对应所述协作信息MAC CE中指示的一个或多个资源指示组合，其中，
    每个所示资源指示组合包括一个时间资源指示器值，一个频率资源指示器值以及一个资源预留周期值，并且，
    每个资源指示组合对应的MAC CE字段的类型由所述资源池u中的信道个数确定。
  2. 一种用户设备，包括：
    处理器；以及
    存储器，存储有指令，
    其中，所述指令在由所述处理器运行时执行根据权利要求1中所述的方法。
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CN113114438A (zh) * 2020-01-10 2021-07-13 夏普株式会社 由用户设备执行的方法以及用户设备
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