WO2020192696A1 - Procédé exécuté par un équipement utilisateur et équipement utilisateur - Google Patents

Procédé exécuté par un équipement utilisateur et équipement utilisateur Download PDF

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Publication number
WO2020192696A1
WO2020192696A1 PCT/CN2020/081145 CN2020081145W WO2020192696A1 WO 2020192696 A1 WO2020192696 A1 WO 2020192696A1 CN 2020081145 W CN2020081145 W CN 2020081145W WO 2020192696 A1 WO2020192696 A1 WO 2020192696A1
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Prior art keywords
subframe
sidelink
pscch
time
information
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PCT/CN2020/081145
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English (en)
Chinese (zh)
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赵毅男
刘仁茂
罗超
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夏普株式会社
鸿颖创新有限公司
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Publication of WO2020192696A1 publication Critical patent/WO2020192696A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • 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
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present invention relates to the field of wireless communication technology, and in particular to methods executed by user equipment and corresponding user equipment.
  • D2D communication (Device-to-Device communication, device-to-device direct communication) refers to a direct communication method between two user devices without being forwarded by a base station or core network.
  • 3rd Generation Partnership Project 3rd Generation Partnership Project
  • the upper layer supports Unicast and Groupcast communication functions.
  • V2X stands for Vehicle to Everything. It hopes to realize the information interaction between vehicles and all entities that may affect vehicles. The purpose is to reduce accidents, alleviate traffic congestion, reduce environmental pollution and provide other information services.
  • the application scenarios of V2X mainly include 4 aspects:
  • V2V Vehicle to Vehicle, that is, vehicle-to-vehicle communication
  • V2P Vehicle to Pedestrian, that is, the vehicle sends a warning to pedestrians or non-motorized vehicles
  • V2N Vehicle to Network, that is, the vehicle connects to the mobile network
  • V2I Vehicle to Infrastructure, that is, communication between vehicles and road infrastructure.
  • V2X stage 1 introduced a new D2D communication interface called PC5 interface.
  • the PC5 interface is mainly used to solve the problem of cellular car networking communication in high-speed (up to 250 km/h) and high-node density environments. Vehicles can interact with information such as position, speed and direction through the PC5 interface, that is, vehicles can communicate directly through the PC5 interface.
  • the functions introduced by LTE Release 14 V2X mainly include:
  • the second phase of the V2X research topic belongs to the research category of LTE Release 15 (see Non-Patent Document 4).
  • the main features introduced include high-order 64QAM modulation, V2X carrier aggregation, short TTI transmission, and the feasibility study of transmit diversity.
  • the research plan of this subject includes the research goal of 5G NR cellular network controlling LTE sidelink sidelink communication, that is, using 5G NR air interface technology and signaling to control LTE sidelink sidelink communication UEs to perform sidelink sidelink communication on the LTE-PC5 interface.
  • 5G NR cellular network controlling LTE sidelink sidelink communication that is, using 5G NR air interface technology and signaling to control LTE sidelink sidelink communication UEs to perform sidelink sidelink communication on the LTE-PC5 interface.
  • 5G NR cellular network controlling LTE sidelink sidelink communication that is, using 5G NR air interface technology and signaling to control LTE sidelink sidelink communication UEs to perform sidelink sidelink communication on the LTE-PC5 interface.
  • the RRC message contains the content and timing information in the LTE sidelink transmission mode 3 scheduling grant (grant);
  • NR V2X research does not support NR air interface scheduling SPS-based LTE sidelink transmission mode 3 through DCI;
  • This feature depends on the capabilities of the UE. If and only if the LTE sidelink UE is a NR and LTE dual mode UE, the NR air interface is supported to schedule the LTE sidelink UE for LTE sidelink transmission.
  • the solution of the present invention mainly includes in the scenario of NR air interface control (or scheduling) LTE sidelink mode 3 (or other transmission mode based on base station scheduling), the LTE sidelink sidelink communication UE determines the transmission of the physical sidelink communication control channel PSCCH subframe The method and the method for the LTE sidelink UE to determine the duration of the uplink timing advance Timing Advance.
  • LTE sidelink mode 3 or other transmission mode based on base station scheduling
  • Non-Patent Document 1 RP-140518, Work item proposal on LTE Device to Device Proximity Services
  • Non-Patent Document 2 RP-142311, Work Item Proposal for Enhanced LTE Device to Device Proximity Services
  • Non-Patent Document 3 RP-152293, New WI proposal: Support for V2V services based on LTE sidelink
  • Non-Patent Document 4 RP-170798, New WID on 3GPP V2X Phase 2
  • Non-Patent Document 5 RP-181480, New SID Proposal: Study on NR V2X
  • Non-Patent Document 6 RAN1#96, Chairman notes, section 7.2.4.3
  • the present invention provides a method executed by user equipment and user equipment that can control (or schedule) LTE sidelink mode 3 (or other transmission modes based on base station scheduling) on the NR air interface. Next, determine the subframe in which the physical side-line communication control channel PSCCH is sent, and then determine the duration of the uplink timing advance Timing Advance.
  • a method executed by a user equipment UE including: receiving radio resource control RRC configuration information from a base station, the RRC configuration information including sidelink scheduling permission based on the base station scheduling transmission mode Information; and determine the subframe in which the physical side line communication control channel PSCCH is sent.
  • the RRC configuration information further includes timing information
  • the determining the subframe for transmitting the PSCCH includes: determining the start time T DL corresponding to the scheduling permission information according to the timing information; determining the uplink The time length T TA of the timing advance; according to the T DL and/or the T TA , determine the subframe for transmitting the PSCCH.
  • the timing information may be indication information of a subframe number or indication information of a time domain offset.
  • the determined value, the Tc is the smallest time granularity in the new wireless NR.
  • the determined value, the Ts is the smallest time granularity in the long-term evolution technology LTE.
  • the subframe for transmitting the PSCCH is determined as the subframe set Physical side line communication shared channel PSSCH subframe resource pool, or the first subframe in the PSCCH subframe resource pool not earlier than the first time, the first time is determined according to the T DL and/or the T TA time.
  • the RRC configuration information further includes timing information and/or uplink timing advance indication information
  • the determining the subframe for transmitting the PSCCH includes: determining the scheduling according to the timing information The starting time T DL corresponding to the permission information; and determining the subframe for transmitting the PSCCH according to the T DL and/or the indication information of the uplink timing advance.
  • the RRC configuration information further includes time domain indication information for the UE to send the PSCCH, and the UE determines the subframe for sending the PSCCH according to the time domain indication information for the PSCCH sending.
  • a method executed by a user equipment UE includes: receiving configuration information of a sidelink resource pool for side-line communication from a base station; determining a physical side-line communication control channel PSCCH or a physical side-line communication shared channel The total number of subframes in the PSSCH subframe resource pool; and the number of the PSCCH or PSSCH subframe resource pool is determined.
  • a user equipment which includes: a processor; and a memory storing instructions; wherein the instructions execute the above method when run by the processor.
  • the user equipment and the user equipment of the present invention it can be determined to send the physical side-line communication control channel PSCCH in the scenario of NR air interface control (or scheduling) LTE sidelink mode 3 (or other transmission mode based on base station scheduling) In the subframes, the duration of the uplink timing advance Timing Advance can also be determined.
  • Fig. 1 is a schematic diagram showing LTE V2X UE side-line communication.
  • Fig. 2 is a schematic diagram showing the resource allocation mode of LTE V2X when there is eNB network coverage.
  • Fig. 3 is a schematic diagram showing the basic process of the method executed by the user equipment of the present invention.
  • FIG. 4 is a schematic diagram showing the basic process of the method executed by the user equipment in the first embodiment of the present invention.
  • Fig. 5 is a schematic diagram showing the basic process of the method executed by the user equipment in the fifth embodiment of the present invention.
  • FIG. 6 is a schematic diagram showing the basic process of the method executed by the user equipment in the sixth embodiment of the present invention.
  • FIG. 7 is a schematic diagram showing the basic process of the method executed by the user equipment in the seventh embodiment of the present invention.
  • FIG. 8 is a schematic diagram showing the basic process of the method executed by the user equipment in the eighth embodiment of the present invention.
  • Fig. 9 is a block diagram showing a user equipment according to an embodiment of the present invention.
  • 3GPP 3rd Generation Partnership Project
  • the third generation partnership project the third generation partnership project
  • LTE Long Term Evolution, long-term evolution technology
  • PDCCH Physical Downlink Control Channel, physical downlink control channel
  • DCI Downlink Control Information, downlink control information
  • PDSCH Physical Downlink Shared Channel, physical downlink shared channel
  • UE User Equipment, user equipment
  • eNB evolved NodeB, evolved base station
  • gNB NR base station
  • TTI Transmission Time Interval, transmission time interval
  • OFDM Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing
  • C-RNTI Cell Radio Network Temporary Identifier, cell radio network temporary identifier
  • CSI-RS CSI-Reference Signal, channel state measurement reference signal
  • CRS Cell Reference Signal, cell specific reference signal
  • PUCCH Physical Uplink Control Channel, physical uplink control channel
  • PUSCH Physical Uplink Shared Channel, physical uplink shared channel
  • UL-SCH Uplink Shared Channel, uplink shared channel
  • SCI Sidelink Control Information, side-line communication control information
  • PSCCH Physical Sidelink Control Channel, physical side link control channel
  • MCS Modulation and Coding Scheme, modulation and coding scheme
  • CRB Common Resource Block, common resource block
  • CP Cyclic Prefix, cyclic prefix
  • PRB Physical Resource Block, physical resource block
  • PSSCH Physical Sidelink Shared Channel, physical sidelink shared channel
  • FDM Frequency Division Multiplexing, Frequency Division Multiplexing
  • RRC Radio Resource Control, radio resource control
  • RSRP Reference Signal Receiving Power, reference signal received power
  • SRS Sounding Reference Signal, sounding reference signal
  • DMRS Demodulation Reference Signal, demodulation reference signal
  • CRC Cyclic Redundancy Check, cyclic redundancy check
  • PSDCH Physical Sidelink Discovery Channel, physical side link discovery channel
  • PSBCH Physical Sidelink Broadcast Channel, physical side-line communication broadcast channel
  • TDD Time Division Duplexing, time division duplex
  • FDD Frequency Division Duplexing, Frequency Division Duplexing
  • SIB1 System Information Block Type 1, System Information Block Type 1
  • SLSS Sidelink synchronization Signal, side-line communication synchronization signal
  • PSSS Primary Sidelink Synchronization Signal, the main synchronization signal of side-line communication
  • SSSS Secondary Sidelink Synchronization Signal, secondary synchronization signal for side-line communication
  • PCI Physical Cell ID, physical cell ID
  • PSS Primary Synchronization Signal, the primary synchronization signal
  • SSS Secondary Synchronization Signal, secondary synchronization signal
  • BWP BandWidth Part, bandwidth segment/part
  • GNSS Global Navigation Satellite System, Global Navigation Satellite Positioning System
  • SFN System Frame Number, system (wireless) frame number
  • DFN Direct Frame Number, direct frame number
  • SSB Synchronization Signal Block, synchronization system information block
  • EN-DC EUTRA-NR Dual Connection, LTE-NR dual connection
  • MCG Master Cell Group, primary cell group
  • SCG Secondary Cell Group, secondary cell group
  • PCell Primary Cell, primary cell
  • SCell Secondary Cell, secondary cell
  • PSFCH Physical Sidelink Feedback Channel, physical sidelink communication feedback channel
  • SPS Semi-Persistant Scheduling, semi-static scheduling
  • V2X and sidelink mentioned in the specification of the present invention have the same meaning.
  • V2X in the text can also mean sidelink; similarly, sidelink in the text can also mean V2X, and no specific distinction and limitation will be made in the following text.
  • the resource allocation mode of V2X (sidelink) communication and the transmission mode of V2X (sidelink) communication in the specification of the present invention can be replaced equally.
  • the resource allocation method involved in the specification may indicate a transmission mode, and the involved transmission mode may indicate a resource allocation method.
  • All LTE sidelink (V2X) transmission mode 3 (mode 3, or resource allocation mode 3) involved in the specification of the present invention can also refer to other base station (eNB or gNB) scheduling (or resource allocation mode 3) in LTE sidelink (V2X) communication.
  • Called scheduling-based transmission mode such as transmission mode 5 and so on.
  • the parameter set of NR includes two aspects: subcarrier spacing and CP length.
  • Table 4.2-1 shows the parameter set supported by NR. The details are as follows.
  • ⁇ ⁇ f 2 ⁇ ⁇ 15[kHz] CP (cyclic prefix) 0 15 normal 1 30 normal 2 60 Normal, extended 3 120 normal 4 240 normal
  • each slot contains 14 OFDM symbols; for extended CP, each slot contains 12 OFDM symbols.
  • NR and LTE have the same definition of subframe, which means 1ms.
  • subframe means 1ms.
  • the slot number in 1 subframe (1ms) can be expressed as Range from 0 to
  • the slot number in a system frame (frame, 10ms) can be expressed as Range from 0 to among them, with The definition in the case of different subcarrier spacing ⁇ is shown in the following table.
  • Table 4.3.2-1 The number of symbols contained in each slot in normal CP, the number of slots contained in each system frame, and the number of slots contained in each subframe
  • Table 4.3.2-2 The number of symbols contained in each slot when CP is extended (60kHz), the number of slots contained in each system frame, and the number of slots contained in each subframe
  • No network coverage (Out-of-Coverage) side-line communication Two UEs performing sidelink communication have no network coverage (for example, the UE cannot detect anything that meets the "cell selection criteria" on the frequency where sidelink communication is required. Cell, which means that the UE has no network coverage).
  • Both UEs performing sidelink communication have network coverage (for example, the UE detects at least one cell that meets the "cell selection criteria" on the frequency that needs sidelink communication, Indicates that the UE has network coverage).
  • Partial-Coverage (Partial-Coverage) side-line communication One UE performing sidelink communication has no network coverage, and the other UE has network coverage.
  • the UE From the UE side, the UE has only two scenarios without network coverage and with network coverage. Part of the network coverage is described from the perspective of sidelink communication.
  • Fig. 1 is a schematic diagram showing LTE V2X UE side-line communication.
  • UE1 sends sideline communication control information (SCI format 1) to UE2, which is carried by the physical layer channel PSCCH.
  • SCI format 1 includes PSSCH scheduling information, such as PSSCH frequency domain resources.
  • UE1 sends sideline communication data to UE2, which is carried by the physical layer channel PSSCH.
  • the PSCCH and the corresponding PSSCH adopt a frequency division multiplexing mode, that is, the PSCCH and the corresponding PSSCH are located on the same subframe in the time domain and are located on different PRBs in the frequency domain.
  • the specific design methods of PSCCH and PSSCH are as follows:
  • PSCCH occupies one subframe in the time domain and two consecutive PRBs in the frequency domain.
  • the initialization of the scrambling sequence uses a predefined value 510.
  • PSCCH can carry SCI format 1, where SCI format 1 contains at least frequency domain resource information of PSSCH. For example, for the frequency domain resource indicator field, SCI format 1 indicates the starting sub-channel number and the number of consecutive sub-channels of the PSSCH corresponding to the PSCCH.
  • the PSSCH occupies a subframe in the time domain, and the corresponding PSCCH adopts frequency division multiplexing (FDM).
  • the PSSCH occupies one or more continuous sub-channels in the frequency domain.
  • the sub-channel represents n subCHsize consecutive PRBs in the frequency domain.
  • the n subCHsize is configured by the RRC parameter, and the number of starting sub-channels and consecutive sub-channels It is indicated by the frequency domain resource indicator field of SCI format 1.
  • Figure 2 shows the two resource allocation methods of LTE V2X when there is eNB network coverage on the frequency of sidelink communication, which are called resource allocation based on base station scheduling (Transmission Mode 3) and UE sensing (sensing). ) Resource allocation (Transmission Mode 4).
  • the base station can configure the UE's resource allocation mode through UE-level dedicated RRC signaling (dedicated RRC signaling) SL-V2X-ConfigDedicated, or called the UE's transmission mode ,
  • UE-level dedicated RRC signaling dedicated RRC signaling
  • SL-V2X-ConfigDedicated SL-V2X-ConfigDedicated
  • Resource allocation mode based on base station scheduling indicates that the frequency domain resources used for sidelink communication come from the scheduling of the base station.
  • Transmission mode 3 includes two scheduling methods, namely dynamic scheduling and semi-persistent scheduling (SPS).
  • SPS semi-persistent scheduling
  • UL grant DCI format 5A
  • PSSCH frequency domain resources of PSCCH and PSSCH
  • CRC of the PDCCH or EPDCCH carrying DCI format 5A is scrambled by SL-V-RNTI.
  • SPS semi-persistent scheduling the base station configures one or more (at most 8) configured scheduling grants through IE: SPS-ConfigSL-r14, and each configured scheduling grant contains a scheduling grant number (index) and scheduling Licensed resource period.
  • UL grant includes frequency domain resources of PSCCH and PSSCH, as well as indication information (3bits) of scheduling permission number and indication information of SPS activation (activate) or release (release).
  • indication information (3bits) of scheduling permission number and indication information of SPS activation (activate) or release (release).
  • the CRC of the PDCCH or EPDCCH carrying the DCI format 5A is scrambled by SL-SPS-V-RNTI.
  • the RRC signaling SL-V2X-ConfigDedicated when the RRC signaling SL-V2X-ConfigDedicated is set to scheduled-r14, it means that the UE is configured in a transmission mode based on base station scheduling.
  • the base station configures SL-V-RNTI or SL-SPS-V-RNTI through RRC signaling, and through PDCCH or EPDCCH (DCI format 5A, CRC uses SL-V-RNTI scrambling or SL-SPS-V-RNTI scrambling) ) Send an uplink scheduling permission UL grant to the UE.
  • the uplink scheduling grant UL grant includes at least the scheduling information of the PSSCH frequency domain resources in the sidelink communication.
  • the UE When the UE successfully monitors the PDCCH or EPDCCH scrambled by SL-V-RNTI or SL-SPS-V-RNTI, it uses the PSSCH frequency domain resource indicator field in the uplink scheduling grant UL grant (DCI format 5A) as the PSCCH (SCI format 1) indicates the frequency domain resources of the PSSCH, and sends PSCCH (SCI format 1) and the corresponding PSSCH.
  • DCI format 5A the PSSCH frequency domain resource indicator field in the uplink scheduling grant UL grant
  • the UE receives the SL-SPS-V-RNTI scrambled DCI format 5A on the downlink subframe n. If the indication information of SPS activation is included in DCI format 5A, the UE determines the frequency domain resources of PSCCH and PSSCH according to the indication information in DCI format 5A, and determines the time domain resources of PSCCH and PSSCH according to information such as subframe n (PSCCH and PSSCH Send subframe).
  • Resource allocation method based on UE sensing indicates that the resources used for sidelink communication are based on the UE's sensing process of the candidate available resource set.
  • RRC signaling SL-V2X-ConfigDedicated is set to ue-Selected-r14, it means that the UE is configured in the transmission mode based on UE sensing.
  • the base station configures the available transmission resource pool, and the UE determines the PSSCH sidelink transmission resource in the transmission resource pool (resource pool) according to certain rules (see the LTE V2X UE sensing process section for detailed process descriptions) , And send PSCCH (SCI format 1) and the corresponding PSSCH.
  • LTE V2X UE determines the subframe resource pool of PSSCH and PSCCH (subframe resource pool) Methods
  • the method for determining the subframe resource pool is based on all the subframes in the range of SFN#0-SFN#1023, a total of 10240 subframes.
  • the set of subframes that may belong to the PSSCH subframe resource pool sent by the V2X UE is expressed as Satisfy:
  • the aforementioned subframe set includes all subframes (subframes included in a, b, and c) after the following subframes are removed:
  • N SLSS The number of subframes where SLSS is configured is expressed as N SLSS ;
  • N dssf The number of downlink subframes and special subframes in the TDD cell is expressed as N dssf ;
  • the subframes in the subframe set are arranged in ascending order of subframe numbers.
  • the base station uses the side-line communication index field (SL index field) in DCI format 5A to ensure that the sidelink UE has enough processing time (processing time) to send data.
  • uplink timing advance TA is introduced.
  • the base station indicates a TA command (TA command) to the UE, and the UE determines the time to send uplink according to the TA indication.
  • TA command contains 11 bits, and the value range indicated by TA is 0-1282; in NR, TA command contains 12 bits, and the value range indicated by TA is 0-3846.
  • Fig. 3 is a schematic diagram showing the basic process of the method executed by the user equipment of the present invention, wherein the method executed by the user equipment UE includes a first step and a second step.
  • the UE receives RRC configuration information from the base station, and the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode.
  • the UE determines the subframe for transmitting the PSCCH. According to this method, it is possible to determine the subframe for transmitting the PSCCH in the scenario of NR air interface control (or scheduling) LTE sidelink mode 3 (or other transmission mode based on base station scheduling).
  • FIG. 4 is a schematic diagram showing the basic process of the method executed by the user equipment in the first embodiment of the present invention.
  • the steps performed by the user equipment include:
  • the base station sends RRC configuration information to the sidelink UE.
  • the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode, and/or timing information.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the timing information includes indication information n of the subframe number, or time-domain offset indication information T off .
  • T off is in units of subframes, or in units of slots, or in units of OFDM symbols.
  • the scheduling permission information includes the SL index indication field m.
  • step S102 the sidelink UE receives the RRC configuration information, and determines the start time corresponding to the scheduling permission information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE determines T DL according to the indication information n.
  • the indication information n of the subframe number indicates the first subframe #n in the time domain after the moment when the RRC configuration information is received.
  • the T DL represents the start time of the subframe n.
  • the sidelink UE determines T off according to the time when the RRC configuration information is received and the offset indication information T off DL .
  • the T DL is equal to (subframe/slot/OFDM symbol corresponding to the moment when the sidelink UE receives the RRC configuration information + T off ) the start moment of the subframe corresponding to mod10.
  • step S103 the sidelink UE determines the time length T TA of the uplink timing advance.
  • the uplink timing advance T TA N TA *Tc.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S104 according to the start time T DL corresponding to the scheduling permission information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe for transmitting the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set Is not earlier than the first subframe at time T DL -T TA /2+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is not earlier than in the PSSCH subframe pool (subframe pool).
  • the steps performed by the user equipment include:
  • the base station sends RRC configuration information to the sidelink UE.
  • the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode, and/or timing information.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the timing information includes indication information n of the subframe number, or time-domain offset indication information T off .
  • T off is in units of subframes, or in units of slots, or in units of OFDM symbols.
  • the scheduling permission information includes the SL index indication field m.
  • step S202 the sidelink UE receives the RRC configuration information, and determines the start time corresponding to the scheduling permission information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE determines T DL according to the indication information n.
  • the indication information n of the subframe number indicates the first subframe #n in the time domain after the moment when the RRC configuration information is received.
  • the T DL represents the start time of the subframe n.
  • the sidelink UE determines T off according to the time when the RRC configuration information is received and the offset indication information T off DL .
  • the T DL is equal to (subframe/slot/OFDM symbol corresponding to the moment when the sidelink UE receives the RRC configuration information + T off ) the start moment of the subframe corresponding to mod10.
  • step S203 the sidelink UE determines the time length T TA of the uplink timing advance.
  • the uplink timing advance T TA N TA /2*Tc.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S204 according to the start time T DL corresponding to the scheduling permission information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe for transmitting the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set DL -T TA +(4+m) ⁇ 10 -3 in the first subframe not earlier than time T DL -T TA +(4+m) ⁇ 10 -3 ; or, the subframe for sending PSCCH is not earlier than time T in the PSSCH subframe pool.
  • the steps performed by the user equipment include:
  • the base station sends RRC configuration information to the sidelink UE.
  • the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode, and/or timing information.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the timing information includes indication information n of the subframe number, or time-domain offset indication information T off .
  • T off is in units of subframes, or in units of slots, or in units of OFDM symbols.
  • the scheduling permission information includes the SL index indication field m.
  • step S302 the sidelink UE receives the RRC configuration information, and determines the start time corresponding to the scheduling permission information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE determines T DL according to the indication information n.
  • the indication information n of the subframe number indicates the first subframe #n in the time domain after the moment when the RRC configuration information is received.
  • the T DL represents the start time of subframe n.
  • the sidelink UE determines T off according to the time when the RRC configuration information is received and the offset indication information T off DL .
  • the T DL is equal to (subframe/slot/OFDM symbol corresponding to the moment when the sidelink UE receives the RRC configuration information + T off ) the start moment of the subframe corresponding to mod10.
  • step S303 the sidelink UE determines the time length T TA of the uplink timing advance.
  • the uplink timing advance T TA N TA *Ts.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S304 according to the start time T DL corresponding to the scheduling permission information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe for transmitting the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set The first subframe not earlier than time T DL -T TA /(2 ⁇ )+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is the PSSCH subframe resource pool (subffame pool) The first subframe not earlier than the time T DL -T TA /(2 ⁇ )+(4+m) ⁇ 10 -3 ; or, the PSCCH transmission subframe is the PSCCH subframe resource pool (subffame pool) In the first subframe no earlier than the time T DL -T TA /(2 ⁇ )+(4+m) ⁇ 10 -3 .
  • the steps performed by the user equipment include:
  • the base station sends RRC configuration information to the sidelink UE.
  • the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode, and/or timing information.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the timing information includes indication information n of the subframe number, or time-domain offset indication information T off .
  • T off is in units of subframes, or in units of slots, or in units of OFDM symbols.
  • the scheduling permission information includes the SL index indication field m.
  • step S402 the sidelink UE receives the RRC configuration information, and determines the start time corresponding to the scheduling permission information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE determines T DL according to the indication information n.
  • the indication information n of the subframe number indicates the first subframe #n in the time domain after the moment when the RRC configuration information is received.
  • the T DL represents the start time of subframe n.
  • the sidelink UE determines T off according to the time when the RRC configuration information is received and the offset indication information T off DL .
  • the T DL is equal to (subframe/slot/OFDM symbol corresponding to the moment when the sidelink UE receives the RRC configuration information + T off ) the start moment of the subframe corresponding to mod10.
  • step S403 the sidelink UE determines the time length T TA of the uplink timing advance.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S404 according to the start time T DL corresponding to the scheduling permission information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe for transmitting the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set Is not earlier than the first subframe at time T DL -T TA /2+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is not earlier than in the PSSCH subframe pool (subframe pool).
  • FIG. 5 is a schematic diagram showing the basic process of the method executed by the user equipment in the fifth embodiment of the present invention.
  • the steps performed by the user equipment include:
  • the base station sends RRC configuration information to the sidelink UE.
  • the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode, and/or timing information, and/or indication information of uplink timing advance.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the timing information includes indication information n of the subframe number, or time-domain offset indication information T off .
  • T off is in units of subframes, or in units of slots, or in units of OFDM symbols.
  • the scheduling permission information includes the SL index indication field m.
  • step S502 the sidelink UE receives the RRC configuration information, and determines the start time corresponding to the scheduling permission information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE determines T DL according to the indication information n.
  • the indication information n of the subframe number indicates the first subframe #n in the time domain after the moment when the RRC configuration information is received.
  • the T DL represents the start time of the subframe n.
  • the sidelink UE determines T off according to the time when the RRC configuration information is received and the offset indication information T off DL .
  • the T DL is equal to (subframe/slot/OFDM symbol corresponding to the moment when the sidelink UE receives the RRC configuration information + T off ) the start moment of the subframe corresponding to mod10.
  • step S503 according to the start time T DL corresponding to the scheduling permission information, and/or the indication information N of the uplink timing advance, the sidelink UE determines the subframe for transmitting the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set T DL -N/2 ⁇ Tc+(4+m) ⁇ 10 -3 , or T DL -N/2 ⁇ Ts+(4+m) ⁇ 10 -3 , or T DL -N ⁇ Tc+(4+m) ⁇ 10 -3 , or the first subframe of T DL -N ⁇ Ts+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is a PSSCH subframe resource pool (subframe pool) no earlier than time T DL -N/2 ⁇ Tc+(4+m) ⁇ 10 -3 , or T DL -N/2 ⁇ Ts+(4+m) ⁇ 10 -3 , or T DL- N ⁇ Tc+(4+m) ⁇ 10 -3 , or the first subframe of T DL -N ⁇ Ts+(4+m) ⁇ 10 -3 ; or, the PSCCH transmission subframe is the PSCCH subframe resource pool (sub
  • FIG. 6 is a schematic diagram showing the basic process of the method executed by the user equipment in the sixth embodiment of the present invention.
  • the steps performed by the user equipment include:
  • the base station sends RRC configuration information to the sidelink UE.
  • the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode, and/or timing information, and/or indication information of the length of the uplink timing advance.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the timing information includes indication information n of the subframe number, or time-domain offset indication information T off .
  • T off is in units of subframes, or in units of slots, or in units of OFDM symbols.
  • the scheduling permission information includes the SL index indication field m.
  • step S602 the sidelink UE receives the RRC configuration information, and determines the start time corresponding to the scheduling permission information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE determines T DL according to the indication information n.
  • the indication information n of the subframe number indicates the first subframe #n in the time domain after the moment when the RRC configuration information is received.
  • the T DL represents the start time of subframe n.
  • the sidelink UE determines T off according to the time when the RRC configuration information is received and the offset indication information T off DL .
  • the T DL is equal to (subframe/slot/OFDM symbol corresponding to the moment when the sidelink UE receives the RRC configuration information + T off ) the start moment of the subframe corresponding to mod10.
  • step S603 according to the start time T DL corresponding to the scheduling permission information, and/or the indication information N of the length of the uplink timing advance, the sidelink UE determines the subframe for transmitting the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set Not earlier than the time T DL -N/2+(4+m) ⁇ 10 -3 , or the first subframe of T DL -N+(4+m) ⁇ 10 -3 ; or, the subframe that sends the PSCCH
  • the frame is the first in the PSSCH subframe pool (subframe pool) no earlier than time T DL -N/2+(4+m) ⁇ 10 -3 , or T DL -N+(4+m) ⁇ 10 -3 Subframes; or, the subframe for transmitting PSCCH is not earlier than the time T DL -N/2+(4+m) ⁇ 10 -3 in the PSCCH subframe resource pool (subframe pool), or T DL -N+ The first subframe of (4+m) ⁇ 10 -3 .
  • Fig. 7 is a schematic diagram showing the basic process of the method executed by the user equipment in the seventh embodiment of the present invention.
  • the steps performed by the user equipment include:
  • the base station sends RRC configuration information to the sidelink UE.
  • the RRC configuration information includes sidelink scheduling permission information based on the base station scheduling transmission mode, and/or, the sidelink UE sends PSCCH time domain indication information.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the scheduling permission information includes the SL index indication field m.
  • the time domain indication information of the PSCCH sent by the sidelink UE is an offset of the time length.
  • the time domain indication information of the PSCCH sent by the sidelink UE is a subframe set Or the subframe number in the PSCCH subframe resource pool or the PSSCH subframe resource pool, or the offset value of the subframe number.
  • step S702 the sidelink UE receives the RRC configuration information, and determines the subframe for transmitting the PSCCH.
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE is based on the start time T when receiving the RRC configuration information and the time domain indication for sending the PSCCH Information to determine the subframe for transmitting PSCCH as the subframe set Not earlier than the time T+T off + (4+m) ⁇ 10 -3 , or the first subframe of T+T off ; or, the subframe for transmitting PSCCH is the PSSCH subframe resource pool (subframe pool) Not earlier than the time T+T off + (4+m) ⁇ 10 -3 , or the first subframe of T+T off ; or, the subframe for transmitting PSCCH is a PSCCH subframe resource pool (subframe pool) Is not earlier than the time T+T off +(4+m) ⁇ 10 -3 , or the first subframe of T+T off .
  • the time domain indication information for sending the PSCCH is a subframe set Or the subframe number k in the PSCCH subframe resource pool or the PSSCH subframe resource pool, or the offset value of the subframe number offset
  • the subframe for transmitting the PSCCH is the subframe set Or PSCCH subframe resource pool or PSSCH subframe resource pool corresponding to the subframe numbered k, or suppose it is in the subframe set Or the subframe number closest to receiving the RRC configuration information (optionally after the start time of receiving the RRC configuration information) in the PSCCH subframe resource pool or the PSSCH subframe resource pool in the time domain is initial, and the PSCCH is sent
  • the subframe is the subframe set Or a subframe with a corresponding number (initial+offset) in the PSCCH subframe resource pool or the PSSCH subframe resource pool.
  • FIG. 8 is a schematic diagram showing the basic process of the method executed by the user equipment in the eighth embodiment of the present invention.
  • the steps performed by the user equipment include:
  • step S801 the base station sends the sidelink resource pool configuration information to the sidelink UE.
  • the sidelink resource pool configuration information is a bitmap configuration.
  • bitmap is expressed as The length is L bitmap .
  • step S802 the sidelink UE determines the total number of subframes in the PSCCH or PSSCH subframe resource pool.
  • step S803 the sidelink UE determines that the number of the PSCCH or PSSCH subframe resource pool is
  • the steps performed by the user equipment include:
  • step S901 the base station sends to the sidelink UE the indication information containing the sidelink scheduling permission information based on the base station scheduling transmission mode.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the indication information includes the SL index indication field m.
  • the indication information is downlink control information DCI.
  • step S902 the sidelink UE receives the indication information, and determines the start time corresponding to the indication information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE receives the indication information in subframe n, and the T DL indicates the start time of subframe n.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • step S903 the sidelink UE determines the time length T TA of the uplink timing advance.
  • the uplink timing advance T TA N TA *Tc.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S904 according to the start time T DL corresponding to the indication information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe in which the PSCCH is sent.
  • the subframe for transmitting the PSCCH is a subframe set Is not earlier than the first subframe at time T DL -T TA /2+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is not earlier than in the PSSCH subframe pool (subframe pool).
  • the steps performed by the user equipment include:
  • step S1001 the base station sends to the sidelink UE the indication information containing the sidelink scheduling permission information based on the base station scheduling transmission mode.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the scheduling permission information includes the SL index indication field m.
  • the indication information is downlink control information DCI.
  • step S1002 the sidelink UE receives the indication information, and determines the start time corresponding to the indication information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE receives the indication information in subframe n, and the T DL indicates the start time of subframe n.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • step S1003 the sidelink UE determines the time length T TA of the uplink timing advance.
  • the uplink timing advance T TA N TA /2*Tc.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S1004 according to the start time T DL corresponding to the indication information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe for sending the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set DL -T TA +(4+m) ⁇ 10 -3 in the first subframe not earlier than time T DL -T TA +(4+m) ⁇ 10 -3 ; or, the subframe for sending PSCCH is not earlier than time T in the PSSCH subframe pool.
  • the steps performed by the user equipment include:
  • step S1101 the base station sends indication information including sidelink scheduling permission information based on the base station scheduling transmission mode to the sidelink UE.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the scheduling permission information includes the SL index indication field m.
  • the indication information is downlink control information DCI.
  • step S1102 the sidelink UE receives the indication information, and determines the start time corresponding to the indication information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE receives the indication information in subframe n, and the T DL indicates the start time of subframe n.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • step S1103 the sidelink UE determines the time length T TA of the uplink timing advance.
  • the uplink timing advance T TA N TA *Ts.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S1104 according to the start time T DL corresponding to the indication information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe in which the PSCCH is sent.
  • the subframe for transmitting the PSCCH is a subframe set The first subframe not earlier than time T DL -T TA /(2 ⁇ )+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is the PSSCH subframe resource pool (subframe pool) The first subframe not earlier than time T DL -T TA /(2 ⁇ )+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is a PSCCH subframe resource pool (subframe pool) In the first subframe not earlier than the time T DL -T TA /(2 ⁇ )+(4+m) ⁇ 10 -3 .
  • the steps performed by the user equipment include:
  • step S1201 the base station sends to the sidelink UE the indication information containing the sidelink scheduling permission information based on the base station scheduling transmission mode.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the scheduling permission information includes the SL index indication field m.
  • the indication information is downlink control information DCI.
  • step S1202 the sidelink UE receives the indication information, and determines the start time corresponding to the indication information, which is represented by T DL .
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE receives the indication information in subframe n, and the T DL indicates the start time of subframe n.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • the sidelink UE is in the time slot Receiving the indication information, the T DL represents a time slot The beginning of time.
  • step S1203 the sidelink UE determines the time length T TA of the uplink timing advance.
  • N TA T A ⁇ 16 ⁇ 64/2 ⁇ .
  • the specific implementation of the N TA includes, but is not limited to, the foregoing implementation.
  • step S1204 according to the start time T DL corresponding to the indication information, and/or the time length T TA of the uplink timing advance, the sidelink UE determines the subframe for transmitting the PSCCH.
  • the subframe for transmitting the PSCCH is a subframe set Is not earlier than the first subframe at time T DL -T TA /2+(4+m) ⁇ 10 -3 ; or, the subframe for transmitting PSCCH is not earlier than in the PSSCH subframe pool (subframe pool).
  • the steps performed by the user equipment include:
  • step S1301 the base station sends to the sidelink UE the indication information including the sidelink scheduling permission information based on the base station scheduling transmission mode, and/or, the sidelink UE sends the PSCCH time domain indication information.
  • the base station is an NR base station gNB.
  • the sidelink transmission mode based on base station scheduling is LTE sidelink transmission mode 3, or LTE sidelink transmission mode 5.
  • the scheduling permission information includes the SL index indication field m.
  • the time domain indication information of the PSCCH sent by the sidelink UE is an offset of the time length.
  • the time domain indication information of the PSCCH sent by the sidelink UE is a subframe set Or the subframe number in the PSCCH subframe resource pool or the PSSCH subframe resource pool, or the offset value of the subframe number.
  • step S1302 the sidelink UE receives the indication information, and determines the subframe for transmitting the PSCCH.
  • the sidelink UE is an LTE sidelink UE, or the sidelink UE works in LTE V2X or LTE sidelink mode.
  • the sidelink UE is based on the start time T of receiving the indication information, and the time domain indication information for sending the PSCCH , Determine the subframe for transmitting PSCCH as the subframe set Not earlier than the time T+T off + (4+m) ⁇ 10 -3 , or the first subframe of T+T off ; or, the subframe for transmitting PSCCH is the PSSCH subframe resource pool (subframe pool) Not earlier than time T+T off + (4+m) ⁇ 10 -3 , or the first subframe of T+T off ; or, the subframe for transmitting PSCCH is a PSCCH subframe resource pool (subframe pool) Is not earlier than the time T+T off +(4+m) ⁇ 10 -3 , or the first subframe of T+T off .
  • the time domain indication information for sending the PSCCH is a subframe set Or the subframe number k in the PSCCH subframe resource pool or the PSSCH subframe resource pool, or the offset value of the subframe number offset
  • the subframe for transmitting the PSCCH is the subframe set Or PSCCH subframe resource pool or PSSCH subframe resource pool corresponding to the subframe numbered k, or suppose it is in the subframe set Or the PSCCH subframe resource pool or PSSCH subframe resource pool has the closest subframe number in the time domain to receiving the indication information (optionally after the start time of receiving the indication information) is initial
  • the PSCCH sending Subframe is a collection of subframes Or a subframe with a corresponding number (initial+offset) in the PSCCH subframe resource pool or the PSSCH subframe resource pool.
  • Fig. 9 is a block diagram showing a user equipment UE related 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, volatile memory (such as random access memory RAM), hard disk drive (HDD), non-volatile memory (such as flash memory), or other memories.
  • the memory 902 stores program instructions. When the instruction is run by the processor 901, it can execute the foregoing 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 various embodiments described above can be combined with each other without conflict.
  • 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 modules that can be developed or developed in the future and can be used for base stations, MMEs, or UEs, and so on.
  • 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. Those skilled in the art can make many changes and modifications based on the teaching of the illustrated embodiment.
  • the foregoing embodiments of the present invention can be implemented by software, hardware, or a combination of both software and hardware.
  • the various components inside the base station and user equipment in the above embodiment can be implemented by a variety of devices, including but not limited to: analog circuit devices, digital circuit devices, digital signal processing (DSP) circuits, programmable processing Device, application specific integrated circuit (ASIC), field programmable gate array (FPGA), programmable logic device (CPLD), etc.
  • DSP digital signal processing
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD programmable logic device
  • base station may refer to a mobile communication data and control switching center with larger transmission power and wider coverage area, including functions such as resource allocation and scheduling, data reception and transmission.
  • User equipment may refer to a user's mobile terminal, such as mobile phones, notebooks, and other terminal devices that can communicate with base stations or micro base stations wirelessly.
  • the embodiments of the present invention disclosed herein can be implemented on a computer program product.
  • the computer program product is a product that has a computer-readable medium on which computer program logic is encoded, and when executed on a computing device, the computer program logic provides related operations to implement The above technical scheme of the present invention.
  • the computer program logic When executed on at least one processor of the computing system, the computer program logic causes the processor to perform the operations (methods) described in the embodiments of the present invention.
  • This arrangement of the present invention is typically provided as software, code and/or other data structures arranged or encoded on a computer-readable medium such as an optical medium (such as CD-ROM), a floppy disk or a hard disk, or as one or more Firmware or microcode on a ROM or RAM or PROM chip, or downloadable software images, shared databases, etc. in one or more modules.
  • Software or firmware or such a configuration may be installed on a 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 the terminal device used in each of the foregoing embodiments may be implemented or executed by a circuit, and the circuit is usually one or more integrated circuits.
  • Circuits designed to perform the functions described in this specification can include general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC) or general-purpose integrated circuits, field programmable gate arrays (FPGA), or other Programming logic devices, discrete gates or transistor logic, or discrete hardware components, or any combination of the above devices.
  • the general-purpose processor may be a microprocessor, or the processor may 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 integrated circuits obtained by using this advanced technology.

Abstract

La présente invention porte sur un procédé exécuté par un équipement utilisateur, et sur un équipement utilisateur. Le procédé consiste à : recevoir des informations de configuration de commande de ressources radio (RRC) en provenance d'une station de base, les informations de configuration RRC contenant des informations d'octroi de planification d'une liaison latérale sur la base d'un mode de transmission de planification de station de base; et déterminer une sous-trame pour transmettre un canal de commande de liaison latérale physique (PSCCH).
PCT/CN2020/081145 2019-03-27 2020-03-25 Procédé exécuté par un équipement utilisateur et équipement utilisateur WO2020192696A1 (fr)

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