WO2023199415A1 - Terminal et procédé de communication sans fil - Google Patents

Terminal et procédé de communication sans fil Download PDF

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Publication number
WO2023199415A1
WO2023199415A1 PCT/JP2022/017638 JP2022017638W WO2023199415A1 WO 2023199415 A1 WO2023199415 A1 WO 2023199415A1 JP 2022017638 W JP2022017638 W JP 2022017638W WO 2023199415 A1 WO2023199415 A1 WO 2023199415A1
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WIPO (PCT)
Prior art keywords
high priority
information
priority
unit
random access
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PCT/JP2022/017638
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English (en)
Japanese (ja)
Inventor
天楊 閔
眞人 谷口
慶 西村
伸一郎 北澤
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NTT Docomo Inc
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NTT Docomo Inc
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Priority to JP2024515222A priority Critical patent/JPWO2023199415A1/ja
Priority to PCT/JP2022/017638 priority patent/WO2023199415A1/fr
Publication of WO2023199415A1 publication Critical patent/WO2023199415A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the present disclosure relates to a terminal and a wireless communication method that support communication in a mobile communication system for transportation such as FRMCS.
  • LTE Long Term Evolution
  • 5G 5th generation mobile communication system
  • NR New Radio
  • NG Next Generation
  • 6G next generation specifications
  • FRMCS future railway mobile communication system
  • ATP automatic train protection
  • ATO automatic train operating equipment
  • FRMCS terminal User Equipment, UE
  • the following disclosure has been made in view of this situation, and when providing a mobile communication system for transportation such as FRMCS using PLMN, important communication of the mobile communication system for transportation
  • the purpose is to provide a terminal and a wireless communication method that can reliably support the following.
  • One aspect of the present disclosure includes a receiving unit (user management unit 43) that receives a message including subscriber information regarding a subscriber of a terminal for a transportation system from a network;
  • the network device includes a control unit (control unit 47) that gives priority to processing related to the terminal in the plane over other terminals.
  • One aspect of the present disclosure includes a receiving unit (connection processing unit 120) that receives a message including access information regarding access of a terminal for a transportation mobile communication system from the terminal;
  • the wireless base station (gNB 100) includes a control unit (control unit 140) that prioritizes processing related to the terminal over other terminals.
  • control unit 240 that controls transmission of a request message for a random access channel or a radio resource control layer, and that communication for a mobile communication system for transportation is the reason for the request message.
  • the terminal (UE 200) includes a transmitting unit (connection processing unit 220) that transmits the request message including the reason indicating the reason to the wireless base station.
  • control unit 240 that controls transmission of a random access channel, and a resource for the random access channel that is reserved for a mobile communication system for transportation facilities to transmit the random access channel.
  • the terminal (UE 200) includes a transmitting unit (connection processing unit 220) that transmits data.
  • One aspect of the present disclosure includes controlling transmission of a random access channel or radio resource control layer request message, and a cause indication indicating that communication for a transportation mobile communication system is the reason for the request message. and transmitting the request message to a wireless base station.
  • One aspect of the present disclosure includes controlling transmission of a random access channel, and transmitting the random access channel using resources for the random access channel reserved for a mobile communication system for transportation. It is a wireless communication method.
  • FIG. 1 is an overall schematic configuration diagram of a wireless communication system 10.
  • FIG. 2 is a functional block configuration diagram of the network device 40.
  • FIG. 3 is a functional block diagram of the gNB 100.
  • FIG. 4 is a functional block diagram of the UE 200.
  • FIG. 5 is a diagram illustrating a sequence example of a Registration procedure according to Operation Example 1.
  • FIG. 6 is a diagram showing an example of Nudm_SDM specific Data Types.
  • FIG. 7 is a diagram illustrating a sequence example of a Registration procedure (RA procedure) according to Operation Example 1.
  • FIG. 8 is a diagram illustrating a sequence example of a Registration procedure (RA procedure) according to Operation Example 2.
  • FIG. 9 is a diagram illustrating a sequence example of a TAU procedure according to operation example 2.
  • FIG. 1 is an overall schematic configuration diagram of a wireless communication system 10.
  • FIG. 2 is a functional block configuration diagram of the network device 40.
  • FIG. 3 is a functional block diagram of the
  • FIG. 10 is a diagram illustrating a sequence example of the RRC Resume procedure according to Operation Example 2.
  • FIG. 11 is a diagram illustrating a sequence example of a handover procedure according to operation example 3.
  • FIG. 12 is a diagram showing an example of the hardware configuration of the network device 40, gNB 100, and UE 200.
  • FIG. 13 is a diagram showing an example of the configuration of vehicle 2001.
  • FIG. 1 is an overall schematic configuration diagram of a wireless communication system 10 according to the present embodiment.
  • the radio communication system 10 is a radio communication system according to 5G New Radio (NR), and includes a Next Generation-Radio Access Network 20 (hereinafter referred to as NG-RAN 20) and a terminal 200 (User Equipment 200, hereinafter referred to as UE 200).
  • NR 5G New Radio
  • NG-RAN 20 Next Generation-Radio Access Network 20
  • UE 200 User Equipment 200
  • the wireless communication system 10 may be a wireless communication system that follows a method called Beyond 5G, 5G Evolution, or 6G, or may include a wireless communication system that follows a method called Long Term Evolution (LTE) or 4G. good.
  • the wireless communication system 10 may support functions related to Industrial Internet of Things (IIoT) and URLLC (Ultra-Reliable and Low Latency Communications).
  • IIoT Industrial Internet of Things
  • URLLC Ultra-Reliable and Low Latency Communications
  • the wireless communication system 10 can provide a public land mobile communication network (PLMN).
  • PLMN public land mobile communication network
  • a wireless communication system 10 (PLMN) may support communications for a transportation mobile communication system.
  • the wireless communication system 10 supports a railway mobile communication system (FRMCS: Future Railway Mobile Communication System).
  • FRMCS is described in 3GPP TR 22.889 and may include critical communications such as emergency communications for railways, automatic train protection (ATP), and automatic train operations (ATO).
  • ATP automatic train protection
  • ATO automatic train operations
  • the UE 200 may include a mixture of UE 200 for FRMCS and general UE 200 other than FRMCS.
  • FRMCS may be used for railways, but is not necessarily limited to railways.
  • transportation such as buses and trams may be targeted.
  • the vehicle 50 is a railway vehicle that a user who owns the UE 200 can get on and off. Furthermore, the vehicle 50 may be equipped with a UE 200 for FRMCS.
  • NG-RAN 20 includes a radio base station 100 (hereinafter referred to as gNB 100).
  • gNB 100 radio base station 100
  • NG-RAN20 actually includes multiple NG-RAN Nodes, specifically gNB (or ng-eNB), and is connected to a 5G-compliant core network (5GC, not shown).
  • 5GC may introduce the concept of CUPS (Control and User Plane Separation), which clearly separates the functions of the user plane and control plane.
  • Access and Mobility Management Function which is included in the 5G system architecture and provides access and mobility management functions for UE200
  • Session Management Function which provides session management functions
  • NG-RAN20 is connected to NG-RAN20.
  • a UDM/UDR Unified Data Management/User Data Repository
  • UDC User Data Convergence
  • network devices 40 may be called network devices 40.
  • NG-RAN20 and 5GC may be simply expressed as "networks”.
  • gNB100 is a radio base station that complies with NR, and performs radio communication with UE200 that complies with NR.
  • the gNB 100 may be configured with a CU (Central Unit) and a DU (Distributed Unit), and the DU may be separated from the CU and installed in a geographically different location.
  • the gNBs 100 gNB-CUs
  • gNB100 and UE200 utilize Massive MIMO, which generates a highly directional beam by controlling radio signals transmitted from multiple antenna elements, Carrier Aggregation (CA), which uses multiple component carriers (CC) in a bundle, It is also possible to support dual connectivity (DC), which allows simultaneous communication between the UE and multiple NG-RAN nodes.
  • Massive MIMO which generates a highly directional beam by controlling radio signals transmitted from multiple antenna elements
  • Carrier Aggregation which uses multiple component carriers (CC) in a bundle
  • DC dual connectivity
  • gNB 100 and UE 200 can perform handover between cells.
  • gNB100 and UE200 can perform handover between cell C1 and cell C2.
  • the UE 200 on the vehicle 50 may perform handover between the cell C1 and the cell C2 as the vehicle 50 travels (the UE 200 moves).
  • the UE 200 on the vehicle 50 may update the tracking area (TA) as the vehicle 50 travels (the UE 200 moves).
  • a TA may be composed of one or more cells, and may be interpreted as a cell unit indicating the location of the UE 200 managed on the network. Note that TA may also be referred to as RAN based notification area.
  • communication for FRMCS may be prioritized over communication of UE 200 (general or normal UE) other than FRMCS.
  • UE 200 signaling for FRMCS may be given priority over signaling for general communication.
  • the UE 200's signaling for FRMCS may be given priority over the signaling for general communication.
  • control plane signaling may include transmitting and receiving Radio Resource Control Layer (RRC) messages and/or transmitting and receiving Random Access Procedure (RA procedure) messages.
  • RRC Radio Resource Control Layer
  • RA procedure Random Access Procedure
  • FIG. 2 is a functional block configuration diagram of the network device 40.
  • FIG. 3 is a functional block diagram of the gNB 100.
  • FIG. 4 is a functional block diagram of the UE 200. Note that in FIGS. 2 to 4, only main functional blocks related to the description of the embodiments are shown, and that the gNB 100 and the UE 200 have other functional blocks (eg, a power supply unit, etc.). Further, FIGS. 2 to 4 show functional block configurations of the network device 40, gNB 100, and UE 200, and please refer to FIG. 12 for the hardware configuration.
  • the network device 40 includes a network IF section 41, a user management section 43, a location information processing section 45, and a control section 47.
  • AMF constitutes the network device 40
  • other network devices SMF, UDM/UDR, etc. may have similar functions.
  • the network IF section 41 provides a network interface (IF) necessary for communication with devices within the 5GC and NG-RAN 20.
  • the network IF may include interfaces (for example, N1, N2, N3 N6, N11, N15) according to 3GPP specifications.
  • the user management unit 43 provides access and mobility management functions for the UE 200. Further, in this embodiment, the user management unit 43 can manage the contract details of the user (subscriber) of the UE 200. Specifically, the user management unit 43 can acquire information regarding subscribers of the UE 200 (hereinafter referred to as subscriber information) from the network.
  • subscriber information information regarding subscribers of the UE 200
  • the user management unit 43 can acquire subscriber information indicating whether the subscriber has a contract for a terminal (UE) for the transportation system mobile communication system (FRMCS).
  • the user management unit 43 includes more specific contract details related to FRMCS, such as subscriber information, type of communication such as railway emergency communication, ATP, and ATO as described above, or access identification information of UE. ), access category, etc. may be included.
  • the user management unit 43 can receive a message containing subscriber information regarding the subscriber of the UE 200 for FRMCS from the network.
  • the user management section 43 may constitute a receiving section that receives messages including subscriber information from the network.
  • the user management unit 43 determines that the UE is a high-priority UE for the FRMCS as data (Railway subscription Data) regarding the subscriber of the UE 200 for the FRMCS.
  • Nudm_SDM_Get response including subscriber information (Railway high priority UE) indicating UE may be received from the UDM.
  • the user management unit 43 may transmit a message including the subscriber information (Railway high priority UE) to other network devices (RAN nodes) that configure the NG-RAN 20.
  • the user management unit 43 AMF may transmit a registration accept including Railway high priority UE to the gNB 100.
  • the location information processing unit 45 executes processing related to the location information of the UE 200. Specifically, the location information processing unit 45 may perform processing related to registration and updating of the tracking area (TA) of the UE 200. Note that, as described above, TA may be referred to as RAN-based notification area.
  • the location information processing unit 45 can register and update the TA based on the cell (which may be a TA) where the UE 200 is located.
  • the location information processing unit 45 may perform TA registration and update of the UE 200 with priority over other UE 200 based on subscriber information (Railway high priority UE).
  • the control unit 47 controls each functional block configuring the network device 40 (AMF).
  • the control unit 47 may prioritize processing regarding the UE 200 in the control plane over other UE 200 based on subscriber information (Railway high priority UE).
  • control unit 47 may prioritize all or part of the processing related to the UE 200 that is designated as a Railway high priority UE by subscriber information over the UE 200 that is not designated as a Railway high priority UE. For example, as described above, the control unit 47 can prioritize the TA registration and update processing of the UE 200. Furthermore, in addition to TA registration and update processing, priority may be given to processing related to access and mobility of the UE 200.
  • the gNB 100 includes a wireless communication section 110, a connection processing section 120, a handover processing section 130, and a control section 140.
  • the wireless communication unit 110 transmits a downlink signal (DL signal) according to NR. Furthermore, the wireless communication unit 110 receives an uplink signal (UL signal) according to NR.
  • DL signal downlink signal
  • UL signal uplink signal
  • the connection processing unit 120 executes processing related to the connection of the UE 200 to the network. Specifically, the connection processing unit 120 can execute processing related to a random access procedure (RA procedure) of the UE 200 and processing related to connection in the RRC layer.
  • RA procedure random access procedure
  • the RA procedure may be simply read as the Random Access Channel (RACH).
  • the RA procedure may include a 2-step RACH and a 4-step RACH.
  • the RA procedure may include 2-step RACH and 4-step RACH.
  • messages MSG
  • MSGs 1 to 4 Random Access Preamble, Random Access Response, Scheduled Transmission, Contention Resolution
  • RRC layer connections may include sending and receiving messages related to RRC setup (RRC Setup Request, RRC Setup Complete), and sending and receiving messages related to RRC resume (RRC Resume Request, RRC Resume, RRC Resume Complete).
  • connection processing unit 120 can receive the message from the UE 200, which includes access information regarding the access of the UE 200 to the network for the transportation system mobile communication system (FRMCS).
  • the connection processing unit 120 may constitute a receiving unit that receives a message including access information. Accessing the network by UE 200 may be interpreted as communication (message transmission and reception, etc.) with network devices (including gNB 100) that constitute NG-RAN 20 or 5GC.
  • connection processing unit 120 may receive a message including the access identification information (Access identity) and/or the access category (Access category) of the UE 200.
  • the access information may include an element (Railway high priority UE) indicating that the UE is a high priority UE for FRMCS.
  • an element Rudway high priority UE
  • the connection processing unit 120 may transmit priority information indicating the priority of the random access procedure (RA procedure) with the high priority UE to the high priority UE.
  • the connection processing section 120 may constitute a transmitting section that transmits priority information.
  • connection processing unit 120 may transmit priority information indicating the priority of the RA procedure between the network slice, Access identity (1, 2), and Railway high priority UE to the UE 200.
  • network slicing may be interpreted as an architecture that divides and optimizes the core network in service units such as use cases or business models.
  • the handover processing unit 130 executes processing related to handover of the UE 200. Specifically, handover processing unit 130 executes handover from the serving cell of UE 200 to another nearby cell.
  • the serving cell may simply be interpreted as the cell to which the UE 200 is connected, but more precisely, in the case of an RRC_CONNECTED UE for which carrier aggregation (CA) is not set, there is only one serving cell that constitutes the primary cell. Only one.
  • CA carrier aggregation
  • the serving cell may be interpreted to refer to a set of one or more cells including the primary cell and all secondary cells.
  • the handover may include a conditional handover (CHO) or a dual active protocol stack (DAPS) handover.
  • CHO conditional handover
  • DAPS dual active protocol stack
  • the control unit 140 controls each functional block that configures the gNB 100.
  • the control unit 140 can prioritize processing regarding a specific UE 200 in the control plane over other UE 200 based on the access information.
  • the control unit 140 performs other processing regarding the UE 200 in the control plane. It may be given priority over UE200. Note that the priority processing may include not only control plane processing but also user plane processing.
  • control unit 140 may prioritize processing related to such a signaling radio bearer (SRB) for a high priority UE over a signaling radio bearer for other UEs 200. Specifically, the control unit 140 can prioritize processing related to setting and/or changing the SRB.
  • SRB includes SRB0 to SRB3, and may be defined as follows.
  • ⁇ SRB0 A radio bearer for RRC messages that uses the CCCH (Common Control Channel) logical channel.
  • CCCH Common Control Channel
  • Radio bearer for RRC messages (which may include piggybacked Non-Access Stratum (NAS) messages) and NAS messages before the establishment of SRB2, which uses a DCCH (Dedicated Control Channel) logical channel. use.
  • RRC messages which may include piggybacked Non-Access Stratum (NAS) messages
  • DCCH Dedicated Control Channel
  • ⁇ SRB2 Radio bearer for NAS messages that uses all DCCH logical channels.
  • SRB2 has a lower priority than SRB1 and is always configured by the network after security is activated.
  • UE200 is a radio bearer for specific RRC messages in Multi-RAT Dual Connectivity (MR-DC) state and uses the DCCH logical channel.
  • MR-DC Multi-RAT Dual Connectivity
  • the control unit 140 may restrict access to the network by UEs 200 (other terminals) other than high-priority UEs based on access information (Access identity or Access category). Specifically, when the cell (which may be a serving cell) to which a high priority UE is waiting or connected is congested (which may also be read as congestion), the control unit 140 controls the UE 200 other than the high priority UE to access baring may be applied to
  • control unit 140 may restrict (deny) the access of the UE 200 when the Access category is other than "0" (MT access), "2" (emergency), or railway priority access. Further, the control unit 140 may restrict (deny) the access of the UE 200 when the Access identity is other than mps-PriorityAccess or mcs-PriorityAccess. Note that mps may mean multimedia priority service, and mcs may mean mission critical service.
  • the control unit 140 may prioritize the random access procedure (RA procedure) with the high priority UE over the UE 200 other than the high priority UE. Specifically, the control unit 140 executes the RA procedure with the high priority UE by applying power ramping (powerRampingStepHighPriority) and/or scaling factor (scalingFactorBI) dedicated to the high priority UE in the RA procedure. good.
  • powerRampingStepHighPriority power ramping
  • scaling factor scaling factor dedicated to the high priority UE in the RA procedure. good.
  • control unit 140 may prioritize processing related to handover with a high priority UE. Specifically, the control unit 140 can send a handover request to the high-priority UE to the handover destination gNB 100 (target RAN node), giving priority to the UE 200 other than the high-priority UE.
  • control unit 140 may interrupt and execute the handover of the high priority UE even if the handover of the UE 200 other than the high priority UE is in progress.
  • the UE 200 includes a wireless communication section 210, a connection processing section 220, a handover execution section 230, and a control section 240.
  • the UE 200 may be a high priority UE for FRMCS (high priority UE).
  • the wireless communication unit 210 transmits an uplink signal (UL signal) according to NR. Furthermore, the wireless communication unit 210 receives an uplink signal (DL signal) according to NR.
  • UL signal uplink signal
  • DL signal uplink signal
  • the connection processing unit 220 executes processing related to connection with the NG-RAN 20 and/or 5GC. Specifically, the connection processing unit 220 can execute processing related to a random access procedure (RA procedure) of the UE 200 and processing related to connection in the RRC layer.
  • RA procedure random access procedure
  • the connection processing unit 220 uses the reason included in the radio resource control layer (RRC) message, specifically, as an establishment cause or a resume cause for transportation-oriented transportation. It may be set to be communication for the communication system (FRMCS) (Railway high priority UE).
  • RRC radio resource control layer
  • FMCS communication system
  • connection processing unit 220 sends a request message (RRC Setup Request, RRC Resume Request) can be sent to gNB100.
  • the connection processing unit 220 may constitute a transmitting unit that transmits a request message including a reason indication.
  • the connection processing unit 220 sends a request message including the reason, specifically, a RACH Setup Request to the gNB 100. It's okay.
  • the reason may be highPriorityAccess, mps-PriorityAccess, mcs-PriorityAccess or railway priority access.
  • the connection processing unit 220 may transmit a request message (for example, RRC Setup Request) that includes the reason indication (for example, railway priority access).
  • a request message for example, RRC Setup Request
  • the reason indication for example, railway priority access
  • connection processing unit 220 may transmit a random access channel using a random access channel (RACH) resource reserved for FRMCS.
  • RACH random access channel
  • the RACH resource reserved for FRMCS may be some common RACH resource, such as a RACH preamble.
  • the handover execution unit 230 executes handover of the UE 200. Specifically, the handover execution unit 230 measures the quality of the serving cell of the UE 200 and neighboring cells, and executes the handover from the serving cell of the UE 200 to another neighboring cell based on instructions from the gNB 100.
  • the handover execution unit 230 can execute the handover with priority over other UEs 200 based on instructions from the gNB 100.
  • the control unit 240 controls each functional block that configures the UE 200.
  • the control unit 240 can control the transmission and reception of various messages by the UE 200.
  • the control unit 240 can control transmission on a random access channel (RACH).
  • RACH random access channel
  • the request message may include RACH Setup Request, RRC Setup Request, RRC Resume Request, and the like.
  • FRMCS signals e.g., railway emergency communication, automatic train protection system (ATP), automatic train operating system (ATO)
  • ATP automatic train protection system
  • ATO automatic train operating system
  • a high logical channel priority (LCP) should be set for DRBs with a high QoS Class Identifier (QCI), and a heavy scheduling factor should be set.
  • Priority control is realized by In this operational example, priority control between signaling radio bearers (SRBs) may be implemented.
  • the high priority UE (Railway high priority UE) may be identified by the contract information (subscriber information) of the UE 200.
  • railway high priority UE may be defined as the subscription information.
  • the network device 40 may send a message including the information element (Railway high priority UE) to another network device 40 (for example, AMF) in the registration procedure of the UE 200 to the network. good.
  • FIG. 5 shows a sequence example of the Registration procedure according to Operation Example 1.
  • the Registration procedure sequence shown in Figure 5 is specified in 3GPP TS23.502 Chapter 4.2.2.2.2.
  • the contract information (Railway high priority UE) of the UE 200 may be transmitted from the UDM/UDR to the AMF.
  • FIG. 6 is a diagram showing an example of Nudm_SDM specific Data Types.
  • Railway subscription Data (tentative name) may be included as a type of Nudm_SDM specific Data Types (see 3GPP TS29.503).
  • Railway subscription Data may be used to indicate the above-mentioned Railway high priority UE.
  • the AMF may transmit a message including the railway high priority UE to the RAN node, specifically, the gNB 100.
  • FIG. 7 shows a sequence example of the Registration procedure (RA procedure) according to Operation Example 1.
  • the AMF may transmit registration accept including the Railway high priority UE to the gNB 100.
  • gNB100 source RAN node
  • gNB100 target RAN node
  • UE200 high priority UE
  • the network device 40 may identify whether it is a high priority UE based on the Access identity and/or Access category of the UE 200. Specifically, an Access identity of "1" or “2" (MPS or MCS), or unique identification information may be assigned to a high priority UE. Alternatively, an Access category or Access identity (railway priority access) for high priority UE may be assigned.
  • the network device 40 determines the establishment cause included in the RRC Setup Request, or A high priority UE may be identified based on the resume cause included in the RRC Resume Request.
  • the establishment cause and resume cause of the high priority UE may be set to either mps-PriorityAccess, mcs-PriorityAccess, or railway priority access.
  • the network device 40 may identify the high priority UE based on the network slice identification information (slice ID) transmitted from the AMF or the source RAN node. For example, high priority UEs may be identified based on S-NSSAI (Single-Network Slice Selection Assistance Information) included in PDU SESSION RESOURCE SETUP REQUEST.
  • S-NSSAI Single-Network Slice Selection Assistance Information
  • the network device 40 may prioritize scheduling of SRBs 1 and 3 with high priority UEs over scheduling of SRBs 1 and 3 of UEs other than high priority UEs.
  • SRBs 1 and 3 exchange messages regarding RRC layer reconfiguration and measurement reports. Furthermore, the following messages may be sent and received in SRBs 1 and 3.
  • ⁇ DL Network to UE ⁇ RRCReestablishment ⁇ RRCRelease ⁇ RRCResume ⁇ RRCSetup ⁇ SecurityModeCommand ⁇ UECapabilityEnquiry ⁇ UEInformationRequest ⁇ CounterCheck ⁇ UL: UE to Network ⁇ RRCReestablishmentComplete ⁇ RRCReconfigurationComplete ⁇ RRCResumeComplete ⁇ RRCSetupComplete ⁇ SCGFailureInformation ⁇ SCGFailureInformationEUTRA ⁇ Failure Information ⁇ SecurityModeComplete ⁇ SecurityModeFailure ⁇ UEAssistance Information ⁇ UECapability Information ⁇ UEInformationResponse ⁇ CounterCheckResponse Specifically, the priority in the logical channel configuration of SRBs 1 and 3 with high priority UEs may be set higher than that of UEs other than high priority UEs. Alternatively, priority control may be realized by the scheduler in the NG
  • RLC-BearConfig>logical channel config>priority included in the information element cellGroupConfig may be set higher than for other UEs.
  • SRBtoAddMod>logical channel config>priority included in the information element RadioResourceConfigDedicated may be set higher than other UEs.
  • the above-mentioned Railway high priority UE information element may be included in the next message on the NG-AP (Application) interface.
  • the UE 200 (high priority UE) may set the establishment cause of the RRC Setup Request to any of the following.
  • a high priority UE may transmit an RRC Setup Request including such an establishment cause at a time of TAU or cell congestion.
  • FIG. 8 shows a sequence example of the Registration procedure (RA procedure) according to Operation Example 2.
  • FIG. 9 shows a sequence example of the TAU procedure according to operation example 2.
  • the UE 200 may transmit an RRC Setup Request including any of the establishment causes described above to the gNB 100.
  • the gNB 100 (and the network device 40) may preferentially transmit the RRC setup message to the high priority UE based on the establishment cause. Then, setting or changing the RRC layer of the high priority UE may be performed preferentially.
  • the UE 200 (high priority UE) may set the resume cause of the RRC Resume Request to any of the following.
  • FIG. 10 shows a sequence example of the RRC Resume procedure according to operation example 2.
  • the UE 200 (high priority UE) may transmit an RRC Resume Request including any of the above resume causes to the gNB 100.
  • the gNB 100 (and the network device 40) may preferentially execute the restoration process of the RRC layer of the high priority UE based on the resume cause.
  • the network device 40 may impose barring on a specific UE 200 when the cell (serving cell of a high priority UE) is congested. Specifically, if the Access category is other than "0" (MT access), "2" (emergency), or railway priority access (also referred to as railway high priority access), the access attempt of the UE200 is ) may be regulated (denied).
  • RACH preamble some common RACH resources (eg, RACH preamble) may be reserved for high priority UEs.
  • RACH may be prioritized for high priority UEs.
  • powerRampingStepHighPriority and/or scalingFactorBI dedicated to high priority UEs may be applied.
  • the gNB 100 may indicate to the UE 200 the priority of RACH prioritization between network slicing, access identity 1, 2 (mps or mcs), and high priority UE (Railway high priority UE).
  • the priority may be notified to the UE 200 by a message in the RA procedure, or may be notified to the UE 200 using SIB1.
  • RACH priorityization may be set such that Access identity 1 and 2 are high, Railway high priority UE, and Slicing are low in that order.
  • SIB1 may indicate the priority of 3GPP Release-17 feature RedCap (Reduced Capability), Coverage enhancement, and Small Data Transmission (SDT) with respect to RACH.
  • FIG. 11 shows a sequence example of a handover procedure according to operation example 3.
  • the gNB100 source RAN node
  • the handover destination gNB100 target RAN node
  • the gNB 100 may interrupt and execute the handover of the high priority UE even if the handover of the UE 200 other than the high priority UE is in progress. Specifically, canceling the HO procedure of UE200 other than high priority UEs or low priority UEs (sending a handover cancel command from the source RAN node to the target RAN node), giving priority to high priority UEs. You may perform the HO procedure.
  • resources dedicated to high priority UE may be reserved.
  • the target RAN node may use the reserved high priority UE dedicated resources based on the railway high priority UE information element (IE) included in the Handover request.
  • IE Railway high priority UE information element
  • FRMCS signals for example, railway It is possible to prevent situations in which emergency communications, automatic train protection systems (ATP), and automatic train operating systems (ATO) go down. This can contribute to the safe operation of transportation systems such as railways.
  • FRMCS was explained as an example, but as long as it is a mobile communication system for transportation, it is not limited to railways like FRMCS, as described above. Moreover, it is not limited to land transportation, but may also include water or maritime transportation.
  • the words configure, activate, update, indicate, enable, specify, and select may be used interchangeably. good.
  • link, associate, correspond, and map may be used interchangeably; allocate, assign, and monitor.
  • map may also be read interchangeably.
  • each functional block may be realized using one physically or logically coupled device, or may be realized using two or more physically or logically separated devices directly or indirectly (e.g. , wired, wireless, etc.) and may be realized using a plurality of these devices.
  • the functional block may be realized by combining software with the one device or the plurality of devices.
  • Functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, exploration, confirmation, reception, transmission, output, access, resolution, selection, selection, establishment, comparison, assumption, expectation, consideration, These include, but are not limited to, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, and assigning. I can't do it.
  • a functional block (configuration unit) that performs transmission is called a transmitting unit or a transmitter. In either case, as described above, the implementation method is not particularly limited.
  • FIG. 12 is a diagram showing an example of the hardware configuration of the device. As shown in FIG. 12, the device may be configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like.
  • the word “apparatus” can be read as a circuit, a device, a unit, etc.
  • the hardware configuration of the device may include one or more of the devices shown in the figure, or may not include some of the devices.
  • Each functional block of the device (see FIGS. 2 to 4) is realized by any hardware element of the computer device or a combination of hardware elements.
  • each function in the device is performed by loading predetermined software (programs) onto hardware such as the processor 1001 and memory 1002, so that the processor 1001 performs calculations, controls communication by the communication device 1004, and controls the memory This is realized by controlling at least one of data reading and writing in the storage 1002 and the storage 1003.
  • predetermined software programs
  • the processor 1001 for example, operates an operating system to control the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU) that includes interfaces with peripheral devices, a control device, an arithmetic device, registers, and the like.
  • CPU central processing unit
  • the processor 1001 reads programs (program codes), software modules, data, etc. from at least one of the storage 1003 and the communication device 1004 to the memory 1002, and executes various processes according to these.
  • programs program codes
  • software modules software modules
  • data etc.
  • the various processes described above may be executed by one processor 1001, or may be executed by two or more processors 1001 simultaneously or sequentially.
  • Processor 1001 may be implemented by one or more chips. Note that the program may be transmitted from a network via a telecommunications line.
  • the memory 1002 is a computer-readable recording medium, and includes at least one of Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), Random Access Memory (RAM), etc. may be done.
  • Memory 1002 may be called a register, cache, main memory, or the like.
  • the memory 1002 can store programs (program codes), software modules, etc. that can execute a method according to an embodiment of the present disclosure.
  • the storage 1003 is a computer-readable recording medium, such as an optical disk such as a Compact Disc ROM (CD-ROM), a hard disk drive, a flexible disk, a magneto-optical disk (such as a compact disk, a digital versatile disk, or a Blu-ray disk). (registered trademark disk), smart card, flash memory (eg, card, stick, key drive), floppy disk, magnetic strip, etc.
  • Storage 1003 may also be called auxiliary storage.
  • the above-mentioned recording medium may be, for example, a database including at least one of memory 1002 and storage 1003, a server, or other suitable medium.
  • the communication device 1004 is hardware (transmission/reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as, for example, a network device, network controller, network card, communication module, etc.
  • the communication device 1004 includes, for example, a high frequency switch, a duplexer, a filter, a frequency synthesizer, etc. to realize at least one of frequency division duplex (FDD) and time division duplex (TDD). It may be composed of.
  • FDD frequency division duplex
  • TDD time division duplex
  • the input device 1005 is an input device (eg, keyboard, mouse, microphone, switch, button, sensor, etc.) that accepts input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that performs output to the outside. Note that the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
  • each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured using a single bus, or may be configured using different buses for each device.
  • the device includes hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), and a field programmable gate array (FPGA).
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • processor 1001 may be implemented using at least one of these hardwares.
  • information notification is not limited to the aspects/embodiments described in this disclosure, and may be performed using other methods.
  • information notification can be performed using physical layer signaling (e.g., Downlink Control Information (DCI), Uplink Control Information (UCI)), upper layer signaling (e.g., RRC signaling, Medium Access Control (MAC) signaling, broadcast information (Master Information Block (MIB), System Information Block (SIB)), other signals, or a combination thereof.
  • RRC signaling may also be referred to as RRC messages, such as RRC Connection Setup (RRC Connection Setup). ) message, RRC Connection Reconfiguration message, etc.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • SUPER 3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • Future Radio Access FAA
  • New Radio NR
  • W-CDMA registered trademark
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access 2000
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark), and other appropriate systems and next-generation systems enhanced based on these.
  • a combination of multiple systems for example, a combination of at least one of LTE and LTE-A with 5G
  • 5G 5th generation mobile communication system
  • FPA Future Radio Access
  • NR New Radio
  • W-CDMA registered trademark
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access 2000
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi
  • the specific operations performed by the base station in this disclosure may be performed by its upper node.
  • various operations performed for communication with a terminal are performed by the base station and other network nodes other than the base station (e.g., MME or It is clear that this can be done by at least one of the following: (conceivable, but not limited to) S-GW, etc.).
  • MME mobile phone
  • S-GW network node
  • Information, signals can be output from an upper layer (or lower layer) to a lower layer (or upper layer). It may be input/output via multiple network nodes.
  • the input/output information may be stored in a specific location (for example, memory) or may be managed using a management table. Information that is input and output may be overwritten, updated, or additionally written. The output information may be deleted. The input information may be sent to other devices.
  • Judgment may be made using a value expressed by 1 bit (0 or 1), a truth value (Boolean: true or false), or a comparison of numerical values (for example, a predetermined value). (comparison with a value).
  • notification of prescribed information is not limited to being done explicitly, but may also be done implicitly (for example, not notifying the prescribed information). Good too.
  • Software includes instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, whether referred to as software, firmware, middleware, microcode, hardware description language, or by any other name. , should be broadly construed to mean an application, software application, software package, routine, subroutine, object, executable, thread of execution, procedure, function, etc.
  • software, instructions, information, etc. may be sent and received via a transmission medium.
  • a transmission medium For example, if the software uses wired technology (coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.) and/or wireless technology (infrared, microwave, etc.) to When transmitted from a server or other remote source, these wired and/or wireless technologies are included within the definition of transmission medium.
  • wired technology coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wireless technology infrared, microwave, etc.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. may refer to voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of the foregoing. It may also be represented by a combination of
  • At least one of the channel and the symbol may be a signal.
  • the signal may be a message.
  • a component carrier may also be called a carrier frequency, cell, frequency carrier, etc.
  • system and “network” are used interchangeably.
  • radio resources may be indicated by an index.
  • base station BS
  • wireless base station fixed station
  • NodeB NodeB
  • eNodeB eNodeB
  • gNodeB gNodeB
  • a base station is sometimes referred to by terms such as macrocell, small cell, femtocell, and picocell.
  • a base station can accommodate one or more (eg, three) cells (also called sectors). If a base station accommodates multiple cells, the overall coverage area of the base station can be partitioned into multiple smaller areas, and each smaller area is divided into multiple subsystems (e.g., small indoor base stations (Remote Radio Communication services can also be provided by Head: RRH).
  • RRH Remote Radio Communication services
  • cell refers to part or all of the coverage area of a base station and/or base station subsystem that provides communication services in this coverage.
  • MS Mobile Station
  • UE User Equipment
  • a mobile station is defined by a person skilled in the art as a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless It may also be referred to as a terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable terminology.
  • At least one of a base station and a mobile station may be called a transmitting device, a receiving device, a communication device, etc.
  • the base station and the mobile station may be a device mounted on a mobile body, the mobile body itself, or the like.
  • the moving object may be a vehicle (for example, a car, an airplane, etc.), an unmanned moving object (for example, a drone, a self-driving car, etc.), or a robot (manned or unmanned). ).
  • at least one of the base station and the mobile station includes devices that do not necessarily move during communication operations.
  • at least one of the base station and the mobile station may be an Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be read as a mobile station (user terminal, hereinafter the same).
  • communication between a base station and a mobile station is replaced with communication between multiple mobile stations (for example, it may be called Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.).
  • D2D Device-to-Device
  • V2X Vehicle-to-Everything
  • each aspect/embodiment of the present disclosure may be applied.
  • the mobile station may have the functions that the base station has.
  • words such as "up” and “down” may be replaced with words corresponding to inter-terminal communication (for example, "side”).
  • uplink channels, downlink channels, etc. may be replaced with side channels.
  • the mobile station in the present disclosure may be read as a base station.
  • the base station may have the functions that the mobile station has.
  • a radio frame may be composed of one or more frames in the time domain. Each frame or frames in the time domain may be called a subframe.
  • a subframe may further be composed of one or more slots in the time domain.
  • a subframe may have a fixed time length (eg, 1 ms) that does not depend on numerology.
  • the numerology may be a communication parameter applied to at least one of transmission and reception of a certain signal or channel.
  • Numerology includes, for example, subcarrier spacing (SCS), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI), number of symbols per TTI, radio frame configuration, transmission and reception. It may also indicate at least one of a specific filtering process performed by the device in the frequency domain, a specific windowing process performed by the transceiver in the time domain, etc.
  • a slot may be composed of one or more symbols (Orthogonal Frequency Division Multiplexing (OFDM) symbols, Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols, etc.) in the time domain.
  • OFDM Orthogonal Frequency Division Multiplexing
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • a slot may be a unit of time based on numerology.
  • a slot may include multiple mini-slots. Each minislot may be made up of one or more symbols in the time domain. Furthermore, a mini-slot may also be called a sub-slot. A minislot may be made up of fewer symbols than a slot.
  • PDSCH (or PUSCH) transmitted in time units larger than minislots may be referred to as PDSCH (or PUSCH) mapping type A.
  • PDSCH (or PUSCH) transmitted using minislots may be referred to as PDSCH (or PUSCH) mapping type B.
  • Radio frames, subframes, slots, minislots, and symbols all represent time units when transmitting signals. Other names may be used for the radio frame, subframe, slot, minislot, and symbol.
  • one subframe may be called a transmission time interval (TTI)
  • TTI transmission time interval
  • multiple consecutive subframes may be called a TTI
  • one slot or minislot may be called a TTI.
  • at least one of the subframe and TTI may be a subframe (1ms) in existing LTE, a period shorter than 1ms (for example, 1-13 symbols), or a period longer than 1ms. It may be.
  • the unit representing TTI may be called a slot, minislot, etc. instead of a subframe.
  • TTI refers to, for example, the minimum time unit for scheduling in wireless communication.
  • a base station performs scheduling to allocate radio resources (frequency bandwidth, transmission power, etc. that can be used by each user terminal) to each user terminal on a TTI basis.
  • radio resources frequency bandwidth, transmission power, etc. that can be used by each user terminal
  • TTI is not limited to this.
  • the TTI may be a unit of transmission time such as a channel-coded data packet (transport block), a code block, or a codeword, or may be a unit of processing such as scheduling or link adaptation. Note that when a TTI is given, the time interval (for example, the number of symbols) to which transport blocks, code blocks, code words, etc. are actually mapped may be shorter than the TTI.
  • one slot or one minislot is called a TTI
  • one or more TTIs may be the minimum time unit for scheduling.
  • the number of slots (minislot number) that constitutes the minimum time unit of the scheduling may be controlled.
  • a TTI with a time length of 1 ms may be called a normal TTI (TTI in LTE Rel. 8-12), normal TTI, long TTI, normal subframe, normal subframe, long subframe, slot, etc.
  • TTI that is shorter than the normal TTI may be referred to as a shortened TTI, short TTI, partial or fractional TTI, shortened subframe, short subframe, minislot, subslot, slot, etc.
  • long TTI e.g., normal TTI, subframe, etc.
  • short TTI e.g., shortened TTI, etc.
  • TTI with a time length of less than the long TTI and 1ms. It may also be read as a TTI having a TTI length of the above length.
  • a resource block is a resource allocation unit in the time domain and frequency domain, and may include one or more continuous subcarriers in the frequency domain.
  • the number of subcarriers included in an RB may be the same regardless of the new merology, and may be 12, for example.
  • the number of subcarriers included in an RB may be determined based on newerology.
  • the time domain of an RB may include one or more symbols and may be one slot, one minislot, one subframe, or one TTI in length.
  • One TTI, one subframe, etc. may each be composed of one or more resource blocks.
  • one or more RBs are classified into physical resource blocks (Physical RBs: PRBs), sub-carrier groups (Sub-Carrier Groups: SCGs), resource element groups (Resource Element Groups: REGs), PRB pairs, RB pairs, etc. May be called.
  • a resource block may be configured by one or more resource elements (RE).
  • RE resource elements
  • 1 RE may be a radio resource region of 1 subcarrier and 1 symbol.
  • Bandwidth Part (also called partial bandwidth, etc.) refers to a subset of contiguous common resource blocks for a certain numerology in a certain carrier. good.
  • the common RB may be specified by an RB index based on a common reference point of the carrier.
  • PRBs may be defined in a BWP and numbered within that BWP.
  • BWP may include BWP for UL (UL BWP) and BWP for DL (DL BWP).
  • BWP may include BWP for UL (UL BWP) and BWP for DL (DL BWP).
  • One or more BWPs may be configured within one carrier for the UE.
  • At least one of the configured BWPs may be active, and the UE may not expect to transmit or receive a given signal/channel outside the active BWP.
  • “cell”, “carrier”, etc. in the present disclosure may be replaced with "BWP”.
  • radio frames, subframes, slots, minislots, symbols, etc. described above are merely examples.
  • the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, the number of symbols included in an RB The number of subcarriers, the number of symbols within a TTI, the symbol length, the cyclic prefix (CP) length, and other configurations can be changed in various ways.
  • connection refers to any connection or coupling, direct or indirect, between two or more elements and to each other. It can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled.”
  • the bonds or connections between elements may be physical, logical, or a combination thereof. For example, "connection” may be replaced with "access.”
  • two elements may include one or more electrical wires, cables, and/or printed electrical connections, as well as in the radio frequency domain, as some non-limiting and non-inclusive examples. , electromagnetic energy having wavelengths in the microwave and optical (both visible and non-visible) ranges, and the like.
  • the reference signal can also be abbreviated as Reference Signal (RS), and may be called a pilot depending on the applied standard.
  • RS Reference Signal
  • the phrase “based on” does not mean “based solely on” unless explicitly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • any reference to elements using the designations "first,” “second,” etc. does not generally limit the amount or order of those elements. These designations may be used in this disclosure as a convenient way to distinguish between two or more elements. Thus, reference to a first and second element does not imply that only two elements may be employed therein or that the first element must precede the second element in any way.
  • determining may encompass a wide variety of operations.
  • “Judgment” and “decision” include, for example, judging, calculating, computing, processing, deriving, investigating, looking up, search, and inquiry. (e.g., searching in a table, database, or other data structure), and regarding an ascertaining as a “judgment” or “decision.”
  • judgment and “decision” refer to receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, and access.
  • (accessing) may include considering something as a “judgment” or “decision.”
  • judgment and “decision” refer to resolving, selecting, choosing, establishing, comparing, etc. as “judgment” and “decision”. may be included.
  • judgment and “decision” may include regarding some action as having been “judged” or “determined.”
  • judgment (decision) may be read as “assuming", “expecting", “considering”, etc.
  • a and B are different may mean “A and B are different from each other.” Note that the term may also mean that "A and B are each different from C”. Terms such as “separate” and “coupled” may also be interpreted similarly to “different.”
  • FIG. 13 shows an example of the configuration of the vehicle 2001.
  • the vehicle 2001 includes a drive unit 2002, a steering unit 2003, an accelerator pedal 2004, a brake pedal 2005, a shift lever 2006, left and right front wheels 2007, left and right rear wheels 2008, an axle 2009, an electronic control unit 2010, Equipped with various sensors 2021 to 2029, an information service section 2012, and a communication module 2013.
  • the drive unit 2002 includes, for example, an engine, a motor, or a hybrid of an engine and a motor.
  • the steering unit 2003 includes at least a steering wheel (also referred to as a steering wheel), and is configured to steer at least one of the front wheels and the rear wheels based on the operation of the steering wheel operated by the user.
  • the electronic control unit 2010 includes a microprocessor 2031, memory (ROM, RAM) 2032, and communication port (IO port) 2033. Signals from various sensors 2021 to 2027 provided in the vehicle are input to the electronic control unit 2010.
  • the electronic control unit 2010 may also be called an ECU (Electronic Control Unit).
  • Signals from various sensors 2021 to 2028 include current signals from current sensor 2021 that senses motor current, front and rear wheel rotation speed signals obtained by rotation speed sensor 2022, and front wheel rotation speed signals obtained by air pressure sensor 2023. and rear wheel air pressure signal, vehicle speed signal acquired by vehicle speed sensor 2024, acceleration signal acquired by acceleration sensor 2025, accelerator pedal depression amount signal acquired by accelerator pedal sensor 2029, and brake pedal sensor 2026. These include a brake pedal depression amount signal, a shift lever operation signal acquired by the shift lever sensor 2027, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. acquired by the object detection sensor 2028.
  • the Information Services Department 2012 provides various devices such as car navigation systems, audio systems, speakers, televisions, and radios that provide various information such as driving information, traffic information, and entertainment information, as well as one or more devices that control these devices. It consists of an ECU.
  • the information service unit 2012 provides various multimedia information and multimedia services to the occupants of the vehicle 1 using information acquired from an external device via the communication module 2013 and the like.
  • the driving support system unit 2030 includes millimeter wave radar, LiDAR (Light Detection and Ranging), cameras, positioning locators (e.g. GNSS, etc.), map information (e.g. high definition (HD) maps, autonomous vehicle (AV) maps, etc.) ), gyro systems (e.g., IMU (Inertial Measurement Unit), INS (Inertial Navigation System), etc.), AI (Artificial Intelligence) chips, and AI processors that prevent accidents and reduce the driver's driving burden. It consists of various devices that provide functions for the purpose and one or more ECUs that control these devices. Further, the driving support system unit 2030 transmits and receives various information via the communication module 2013, and realizes a driving support function or an automatic driving function.
  • GPS Light Detection and Ranging
  • map information e.g. high definition (HD) maps, autonomous vehicle (AV) maps, etc.
  • gyro systems e.g., IMU (Inertial Measurement Unit), INS (Iner
  • the communication module 2013 can communicate with the microprocessor 2031 and the components of the vehicle 1 via the communication port.
  • the communication module 2013 communicates with the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, left and right front wheels 2007, left and right rear wheels 2008, which are included in the vehicle 2001, through the communication port 2033.
  • Data is transmitted and received between the axle 2009, the microprocessor 2031 and memory (ROM, RAM) 2032 in the electronic control unit 2010, and the sensors 2021 to 2028.
  • the communication module 2013 is a communication device that can be controlled by the microprocessor 2031 of the electronic control unit 2010 and can communicate with external devices. For example, various information is transmitted and received with an external device via wireless communication.
  • Communication module 2013 may be located either inside or outside electronic control unit 2010.
  • the external device may be, for example, a base station, a mobile station, or the like.
  • the communication module 2013 transmits the current signal from the current sensor input to the electronic control unit 2010 to an external device via wireless communication.
  • the communication module 2013 also receives the front wheel and rear wheel rotational speed signals acquired by the rotational speed sensor 2022, the front wheel and rear wheel air pressure signals acquired by the air pressure sensor 2023, and the vehicle speed sensor, which are input to the electronic control unit 2010.
  • the shift lever operation signal acquired by the sensor 2027, the detection signal for detecting obstacles, vehicles, pedestrians, etc. acquired by the object detection sensor 2028 are also transmitted to the external device via wireless communication.
  • the communication module 2013 receives various information (traffic information, signal information, inter-vehicle information, etc.) transmitted from external devices, and displays it on the information service section 2012 provided in the vehicle. Communication module 2013 also stores various information received from external devices into memory 2032 that can be used by microprocessor 2031. Based on the information stored in the memory 2032, the microprocessor 2031 controls the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, left and right front wheels 2007, and left and right rear wheels provided in the vehicle 2001. 2008, axle 2009, sensors 2021 to 2028, etc. may be controlled.
  • various information traffic information, signal information, inter-vehicle information, etc.
  • Wireless communication system 20 NG-RAN 40 Network device 41 Network IF section 43 User management section 45 Location information processing section 47 Control section 50 Vehicle 100 gNB 110 Wireless communication unit 120 Connection processing unit 130 Handover processing unit 140 Control unit 200 UE 210 Wireless communication unit 220 Connection processing unit 230 Handover execution unit 240 Control unit 1001 Processor 1002 Memory 1003 Storage 1004 Communication device 1005 Input device 1006 Output device 1007 Bus 2001 Vehicle 2002 Drive unit 2003 Steering unit 2004 Accelerator pedal 2005 Brake pedal 2006 shift lever 2007 Left and right front wheels 2008 Left and right rear wheels 2009 Axle 2010 Electronic control unit 2012 Information service department 2013 Communication module 2021 Current sensor 2022 Rotation speed sensor 2023 Air pressure sensor 2024 Vehicle speed sensor 2025 Acceleration sensor 2026 Brake pedal sensor 2027 Shift lever sensor 2028 Object detection sensor 2029 Accelerator pedal sensor 2030 Driving support system section 2031 Microprocessor 2032 Memory (ROM, RAM) 2033 communication port

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Abstract

Ce terminal transmet un message de demande pour un canal d'accès aléatoire ou une couche de commande de ressource sans fil et transmet, à une station de base sans fil, le message de demande comprenant un affichage de raison indiquant que la communication pour un système de communication mobile pour le transport est la raison du message de demande.
PCT/JP2022/017638 2022-04-12 2022-04-12 Terminal et procédé de communication sans fil Ceased WO2023199415A1 (fr)

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JP2019533393A (ja) * 2016-11-03 2019-11-14 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおけるｎｇｓからｅｐｓへの移動方法及びそのための装置
JP2020502954A (ja) * 2016-12-23 2020-01-23 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおけるｖ２ｘ通信を行う方法及びこのための装置

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WO2025234458A1 (fr) * 2024-05-08 2025-11-13 Toyota Jidosha Kabushiki Kaisha Terminal, procédé, station de base et système de communication

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