WO2023027025A1 - 装置及び方法 - Google Patents
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- WO2023027025A1 WO2023027025A1 PCT/JP2022/031563 JP2022031563W WO2023027025A1 WO 2023027025 A1 WO2023027025 A1 WO 2023027025A1 JP 2022031563 W JP2022031563 W JP 2022031563W WO 2023027025 A1 WO2023027025 A1 WO 2023027025A1
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- 238000000034 method Methods 0.000 title claims description 29
- 238000004891 communication Methods 0.000 claims abstract description 48
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- 238000010586 diagram Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
Definitions
- the present disclosure relates to devices and methods.
- Non-Patent Document 1 In Release 15 of 3GPP (3rd Generation Partnership Project) (registered trademark), some functions for UAV (Unmanned Aerial Vehicle) as user equipment (UE) are provided as LTE (Long Term Evolution) work items. It is discussed and specified (Non-Patent Document 1).
- Flight Path function the UAV's flight path is reported from the UAV to the network in response to a request from the network. This is expected to be useful for control of handover, beamforming, etc. based on the UAV movement plan on the network side (Non-Patent Document 2).
- 3GPP TS 36.331 V15.14.0 (2021-06), "3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); protocol specification (Release 15)" 3GPP TSG-RAN WG2 Meeting #101bis Sanya, China, 16 - 20 Apr 2018, R2-1805125, Huawei, Hi Silicon, CMCC, Fraunhofer, Nokia, Nokia Shanghai Bell, Lenovo, Motorola Mobility, InterDigital, KDDI, "Discussion on flight path information" 3GPP TSG RAN - RAN-Rel-18 Workshop, Online, 2021-06-28 - 2021-07-02, RWS-210190, Ericsson, "Motivation for Rel-18 UAV" 3GPP TSG RAN Rel-18 workshop, Electronic Meeting, June 28 - July 2, 2021, RWS-210254, Lenovo, Motorola Mobility, "Discussion on UAV Swarm Support in NR RAN for Rel-18" 3GPP TSG RAN
- Non-Patent Documents 1 and 2 does not consider changes and additions of route information. For example, assuming that the above mechanism is applied to the change or addition of route information, the route information is reported using signaling each time the route information is changed or added. At this time, the entire route information is reported rather than the changed or added portion of the route information. As a result, redundantly reported route information may reduce the efficiency of signaling.
- An object of the present disclosure is to provide a device and method capable of suppressing deterioration in signaling efficiency even if route information reported using signaling is partially changed or added.
- a device (200) includes an information acquisition unit (231) that acquires route information indicating at least a movement route of the device, and a base station ( 100), wherein the route information includes one or more point-related information about points on the travel route, the point-related information identifying the point-related information. contains identification information for
- a device (100) includes a communication processing unit (145) that receives an RRC (Radio Resource Control) message including route information indicating at least a movement route of a user device (200) from the user device; an information acquisition unit (141) for acquiring the route information included in the RRC message, wherein the route information includes one or more point-related information regarding points on the movement route, and the point-related information is , including identification information for identifying the location-related information.
- RRC Radio Resource Control
- a method performed by a device (200) includes acquiring route information indicating at least a movement route of the device, and transmitting an RRC (Radio Resource Control) message including the route information to a base station (100). ), wherein the route information includes one or more point-related information about points on the travel route, the point-related information including identification information for identifying the point-related information include.
- RRC Radio Resource Control
- a method performed by a device (100) includes receiving a Radio Resource Control (RRC) message from the user equipment (200) including route information indicating at least a travel route of the user equipment (200); obtaining the route information included in an RRC message, the route information including one or more point-related information about points on the travel route, the point-related information comprising the point-related information.
- RRC Radio Resource Control
- the present disclosure it is possible to suppress deterioration in signaling efficiency even if the route information reported using signaling is partially changed or added. It should be noted that the present disclosure may provide other effects instead of or in addition to the above effects.
- FIG. 1 is an explanatory diagram showing an example of a schematic configuration of a system according to an embodiment of the present disclosure
- FIG. FIG. 4 is an explanatory diagram for explaining an example of communication control based on the moving route of the user equipment according to the embodiment of the present disclosure
- 2 is a block diagram showing an example of a schematic functional configuration of a base station according to an embodiment of the present disclosure
- FIG. 2 is a block diagram showing an example of a schematic hardware configuration of a base station according to an embodiment of the present disclosure
- FIG. 2 is a block diagram showing an example of a schematic functional configuration of a user device according to an embodiment of the present disclosure
- FIG. 2 is a block diagram showing an example of a schematic hardware configuration of a user device according to an embodiment of the present disclosure
- FIG. 4 is a diagram for explaining an example of route information according to an embodiment of the present disclosure
- FIG. 4 is a sequence diagram for explaining an example of a schematic flow of processing according to an embodiment of the present disclosure
- FIG. 11 is a sequence diagram for explaining an example of a schematic flow of processing according to the first modification of the embodiment of the present disclosure
- system 1 includes base station 100 and user equipment (UE) 200 .
- UE user equipment
- System 1 is a system that complies with the 3GPP Technical Specification (TS). More specifically, for example, the system 1 is a system conforming to 5G or NR (New Radio) TS. Naturally, the system 1 is not limited to this example.
- the system 1 may be a system conforming to LTE, LTE-A (LTE Advanced), or 4G TS.
- Base station 100 The base station 100 is a node of a radio access network (RAN) and communicates with UEs (eg, UE 200) located within the coverage area 10 of the base station 100.
- RAN radio access network
- the base station 100 communicates with the UE (for example, the UE 200) using the RAN protocol stack.
- the protocol stack includes RRC (Radio Resource Control), SDAP (Service Data Adaptation Protocol), PDCP (Packet Data Convergence Protocol), RLC (Radio Link Control), MAC (Medium Access Control), and Physical: PHY) layer protocol.
- the protocol stack may not include all of these protocols, but some of these protocols.
- the base station 100 is a gNB.
- a gNB is a node that provides NR user plane and control plane protocol terminations towards the UE and is connected to the 5GC (5G Core Network) via the NG interface.
- base station 100 may be an en-gNB.
- An en-gNB is a node that provides NR user plane and control plane protocol termination for UEs and acts as a secondary node in EN-DC (E-UTRA-NR Dual Connectivity).
- the base station 100 may include multiple nodes.
- the plurality of nodes may include a first node that hosts a higher layer included in the protocol stack and a second node that hosts a lower layer included in the protocol stack. good.
- the upper layers may include RRC, SDAP and PDCP, and the lower layers may include RLC, MAC and PHY layers.
- the first node may be a CU (central unit), and the second node may be a DU (Distributed Unit).
- the plurality of nodes may include a third node that performs lower-level processing of the PHY layer, and the second node may perform higher-level processing of the PHY layer.
- the third node may be an RU (Radio Unit).
- the base station 100 may be one of the plurality of nodes, or may be connected to another unit among the plurality of nodes.
- the base station 100 may be an IAB (Integrated Access and Backhaul) donor or an IAB node.
- IAB Integrated Access and Backhaul
- UE200 UE 200 communicates with a base station.
- UE 200 communicates with base station 100 when located within coverage area 10 of base station 100 .
- UE 200 communicates with a base station (eg, base station 100) using the above protocol stack.
- a base station eg, base station 100
- the UE 200 is mounted on a mobile object.
- the mobile object may be an aircraft such as a UAV, or a vehicle such as an autonomous vehicle or a manually operated vehicle with navigation capabilities.
- a moving path may be set in advance for the moving object.
- the UE 200 can benefit from communication control based on the movement route by reporting the movement route to the network (that is, the base station 100).
- the movement route reporting may be supported by, for example, the Flight Path mechanism, or may be supported by another movement route reporting mechanism.
- UE 200 reports the set moving route to base station 100 .
- base station 100 Based on the future position of UE 200 estimated from the reported moving path, base station 100 performs processing for handover or beamforming in advance, for example. This makes it possible to perform communication control suitable for the position at the timing when the UE 200 reaches the estimated position.
- the base station 100 includes a wireless communication unit 110, a network communication unit 120, a storage unit 130 and a processing unit 140.
- FIG. 1 An example of the functional configuration of the base station 100 according to the embodiment of the present disclosure will be described with reference to FIG. Referring to FIG. 3, the base station 100 includes a wireless communication unit 110, a network communication unit 120, a storage unit 130 and a processing unit 140.
- FIG. 1 An example of the functional configuration of the base station 100 according to the embodiment of the present disclosure will be described with reference to FIG.
- the base station 100 includes a wireless communication unit 110, a network communication unit 120, a storage unit 130 and a processing unit 140.
- the wireless communication unit 110 wirelessly transmits and receives signals.
- the radio communication unit 110 receives signals from UEs and transmits signals to the UEs.
- the network communication unit 120 receives signals from the network and transmits signals to the network.
- the storage unit 130 stores various information for the base station 100.
- the processing unit 140 provides various functions of the base station 100.
- the processing unit 140 includes an information acquisition unit 141 , a control unit 143 and a communication processing unit 145 .
- the processing unit 140 may further include components other than these components. That is, the processing unit 140 can perform operations other than those of these components. Specific operations of the information acquisition unit 141, the control unit 143, and the communication processing unit 145 will be described in detail later.
- the processing unit 140 communicates with the UE (for example, the UE 200) via the wireless communication unit 110.
- the processing unit 140 (communication processing unit 145) communicates with other nodes (for example, network nodes in the core network or other base stations) via the network communication unit 120.
- base station 100 comprises antenna 181 , radio frequency (RF) circuitry 183 , network interface 185 , processor 187 , memory 189 and storage 191 .
- RF radio frequency
- Antenna 181 converts a signal into radio waves and radiates the radio waves into space. Also, the antenna 181 receives radio waves in space and converts the radio waves into signals.
- Antenna 181 may include a transmit antenna and a receive antenna, or may be a single antenna for transmission and reception.
- Antenna 181 may be a directional antenna and may include multiple antenna elements.
- the RF circuit 183 performs analog processing of signals transmitted and received via the antenna 181 .
- RF circuitry 183 may include high frequency filters, amplifiers, modulators, low pass filters, and the like.
- the network interface 185 is, for example, a network adapter, which transmits signals to and receives signals from the network.
- the processor 187 performs digital processing of signals transmitted and received via the antenna 181 and the RF circuit 183.
- the digital processing includes processing of the protocol stack of the RAN.
- Processor 187 also processes signals sent and received via network interface 185 .
- Processor 187 may include multiple processors or may be a single processor.
- the multiple processors may include a baseband processor that performs the digital processing and one or more processors that perform other processing.
- the memory 189 stores programs executed by the processor 187, parameters related to the programs, and various other information.
- the memory 189 may include at least one of ROM (Read Only Memory), EPROM (Erasable Programmable Read Only Memory), EEPROM (Electrically Erasable Programmable Read Only Memory), RAM (Random Access Memory), and flash memory. All or part of memory 189 may be included within processor 187 .
- the storage 191 stores various information.
- the storage 191 may include at least one of SSD (Solid State Drive) and HDD (Hard Disc Drive).
- the wireless communication unit 110 may be implemented by an antenna 181 and an RF circuit 183.
- Network communication unit 120 may be implemented by network interface 185 .
- Storage unit 130 may be implemented by storage 191 .
- Processing unit 140 may be implemented by processor 187 and memory 189 .
- Part or all of the processing unit 140 may be virtualized. In other words, part or all of the processing unit 140 may be implemented as a virtual machine. In this case, part or all of the processing unit 140 may operate as a virtual machine on a physical machine (that is, hardware) including a processor, memory, etc. and a hypervisor.
- the base station 100 may include a memory (ie, memory 189) for storing programs and one or more processors (ie, processor 187) capable of executing the programs.
- the one or more processors may execute the program to perform the operation of the processing unit 140 .
- the program may be a program for causing the processor to execute the operation of the processing unit 140 .
- FIG. 5 An example configuration of the UE 200 according to the embodiment of the present disclosure will be described with reference to FIGS. 5 and 6.
- FIG. 5 An example configuration of the UE 200 according to the embodiment of the present disclosure will be described with reference to FIGS. 5 and 6.
- FIG. 5 An example configuration of the UE 200 according to the embodiment of the present disclosure will be described with reference to FIGS. 5 and 6.
- FIG. 5 An example configuration of the UE 200 according to the embodiment of the present disclosure will be described with reference to FIGS. 5 and 6.
- the UE 200 includes a wireless communication section 210, a storage section 220 and a processing section 230.
- FIG. 5 An example of the functional configuration of the UE 200 according to the embodiment of the present disclosure will be described with reference to FIG. Referring to FIG. 5, the UE 200 includes a wireless communication section 210, a storage section 220 and a processing section 230.
- FIG. 5 An example of the functional configuration of the UE 200 according to the embodiment of the present disclosure will be described with reference to FIG. Referring to FIG. 5, the UE 200 includes a wireless communication section 210, a storage section 220 and a processing section 230.
- the wireless communication unit 210 wirelessly transmits and receives signals.
- the wireless communication unit 210 receives signals from base stations and transmits signals to the base stations.
- the radio communication unit 210 receives signals from other UEs and transmits signals to other UEs.
- the storage unit 220 stores various information for the UE200.
- the processing unit 230 provides various functions of the UE 200.
- the processing unit 230 includes an information acquisition unit 231 , a control unit 233 and a communication processing unit 235 .
- the processing unit 230 may further include other components other than these components. That is, the processing unit 230 can perform operations other than those of these components. Specific operations of the information acquisition unit 231, control unit 233, and communication processing unit 235 will be described in detail later.
- the processing unit 230 communicates with the base station (eg, base station 100) or another UE via the wireless communication unit 210.
- the base station eg, base station 100
- another UE via the wireless communication unit 210.
- UE 200 comprises antenna 281 , RF circuitry 283 , processor 285 , memory 287 and storage 289 .
- the antenna 281 converts the signal into radio waves and radiates the radio waves into space. Also, the antenna 281 receives radio waves in space and converts the radio waves into signals.
- Antenna 281 may include a transmit antenna and a receive antenna, or may be a single antenna for transmission and reception. Antenna 281 may be a directional antenna and may include multiple antenna elements.
- the RF circuit 283 performs analog processing of signals transmitted and received via the antenna 281 .
- RF circuitry 283 may include high frequency filters, amplifiers, modulators, low pass filters, and the like.
- the processor 285 performs digital processing of signals transmitted and received via the antenna 281 and the RF circuit 283.
- the digital processing includes processing of the protocol stack of the RAN.
- Processor 285 may include multiple processors or may be a single processor.
- the multiple processors may include a baseband processor that performs the digital processing and one or more processors that perform other processing.
- the memory 287 stores programs executed by the processor 285, parameters related to the programs, and various other information.
- Memory 287 may include at least one of ROM, EPROM, EEPROM, RAM, and flash memory. All or part of memory 287 may be included within processor 285 .
- the storage 289 stores various information.
- Storage 289 may include at least one of SSD and HDD.
- the wireless communication unit 210 may be implemented by an antenna 281 and an RF circuit 283.
- Storage unit 220 may be implemented by storage 289 .
- Processing unit 230 may be implemented by processor 285 and memory 287 .
- the processing unit 230 may be implemented by an SoC (System on Chip) including a processor 285 and a memory 287.
- SoC System on Chip
- the SoC may include RF circuitry 283 and the wireless communication unit 210 may also be implemented by the SoC.
- the UE 200 may include a memory that stores a program (ie, memory 287) and one or more processors that can execute the program (ie, processor 285).
- One or more processors may execute the programs described above to perform the operations of the processing unit 230 .
- the program may be a program for causing the processor to execute the operation of the processing unit 230 .
- UE 200 reports route information to base station 100 . After that, when the route information is changed, the UE 200 reports the changed portion of the route information to the base station 100.
- FIG. The operation of the UE 200 and related information will be described in detail below.
- UE 200 reports route information to base station 100 .
- UE 200 (information acquisition unit 231) acquires route information indicating at least the movement route of UE 200.
- FIG. UE 200 (communication processing unit 235 ) transmits an RRC message including the acquired route information to base station 100 .
- UE 200 transmits to base station 100 RRC message A including information indicating the availability of route information.
- RRC message B containing the route request information from the base station 100
- the UE 200 transmits the RRC message C containing the route information to the base station 100 .
- the series of processes described above is also referred to as a route information reporting procedure on the UE 200 side.
- RRC message A is RRC SetupComp, ReestablishmentComp, ResumeComp, ReconfigurationComp, and the like.
- RRC message B is UEInformationRequest and RRC message C is UEInformationResponse.
- the information indicating the availability of route information is flightPathInfoAvailable or equivalent information
- the route request information is flightPathInfoReq or equivalent information
- the route information is flightPathInfoReport or equivalent. Information.
- the route information is point-related information relating to a waypoint on a moving route, and includes one or more point-related information. Also, the point-related information includes identification information for identifying the point-related information.
- route information includes a sequence of point-related information.
- the identification information included in the location-related information is the index of the sequence.
- the route information may be a FlightPathInfoReport as shown in information 21 of FIG. 7 and may include a sequence of WayPointLocations that are point-related information.
- the identification information may be an index included in WayPointLocation. In this way, since the identification information is an index, the point-related information can be identified without defining and managing information for identifying the point-related information in a new system.
- the location-related information includes multiple pieces of other information in addition to the identification information.
- the plurality of other information includes at least point information indicating a point on the movement route and time information indicating a time related to the point.
- point information indicating a point on the movement route
- time information indicating a time related to the point.
- WayPointLocation which is point information
- wayPointLocation indicates the position of the point
- timeStamp indicating the arrival time to the point.
- the UE 200 reports the changed portion of the route information to the base station 100 .
- the UE 200 (communication processing unit 235) transmits a first RRC message including the first route information, and after transmitting the first RRC message, a second message including the second route information. Send an RRC message.
- the second route information includes one or more pieces of identification information that are the same as the identification information included in any of the part of the point-related information among the one or more pieces of point-related information included in the first route information. Contains point-related information.
- the UE 200 transmits the RRC message including the changed part of the routing information.
- the changed portion of the route information is at least one point-related information in the sequence of point-related information included in the reported route information that has been changed. It should be noted that transmission of the changed part of the route information may be performed using the above-described route information reporting procedure on the UE 200 side.
- the UE 200 replaces WayPointLocation[2]-[4],[7] with the changed part of the route information (that is, the 2 route information) to the base station 100 .
- the change in the route information may be a change in all of the information included in the point-related information, or may be a change in part of the information included in the point-related information.
- part of the plurality of other information included in each of the one or more point-related information included in the changed portion of the route information may be empty.
- the fields of other information (here, point information) except the index may be blank.
- the base station 100 registers and manages route information reported from the UE 200 . After that, when the changed portion of the route information is reported from the UE 200, the base station 100 updates the registered route information based on the changed portion of the route information.
- the operation of the base station 100 and related information will be described in detail below. In addition, the detailed description of the contents that are substantially the same as the description of the operation of the UE 200 will be omitted.
- the base station 100 registers route information received from the UE 200 . Specifically, the base station 100 (communication processing unit 145) receives an RRC message including route information from the UE200. The base station 100 (information acquisition unit 141) acquires route information included in the received RRC message. The base station 100 (control unit 143) registers the acquired route information.
- the base station 100 receives from the UE 200 the above-described RRC message A including information indicating the availability of route information.
- Base station 100 transmits above-mentioned RRC message B containing route request information to UE200.
- the base station 100 receives from the UE 200 the above-mentioned RRC message C including route information.
- the series of processes described above will also be referred to as a routing information reporting procedure on the base station 100 side.
- the received route information may be registered and managed as RRC-related information.
- the base station 100 updates the route information. Specifically, the base station 100 (communication processing unit 145) receives a first RRC message including first route information, and after receiving the first RRC message, receives a second RRC message including second route information. 2 RRC message is received. The base station 100 (control unit 143) selects the location-related information included in the first route information that includes the same identification information as the identification information included in any of the one or more location-related information included in the second route information. Information is updated based on point-related information included in the second route information.
- the base station 100 receives the RRC message containing the changed portion of the route information after receiving the RRC message containing the route information as described in (2-1) above.
- the changed portion of the route information is at least one point-related information in the sequence of point-related information included in the registered route information that has been changed. It should be noted that the changed portion of the route information may be received using the above-described route information reporting procedure on the base station 100 side.
- a registered FlightPathInfoReport contains a sequence WayPointLocation[0]-[9] consisting of 10 WayPointLocations.
- WayPointLocation[2]-[4],[7] are received as the modified part of the route information (that is, the second route information)
- the base station 100 replaces the registered sequence WayPointLocation[0]-[9] with [2]-[4],[7] of them are updated based on the received WayPointLocation[2]-[4],[7]. That is, it can be said that [2]-[4] and [7] of the registered sequence WayPointLocation[0]-[9] are replaced.
- the base station 100 when part of the plurality of other information included in the point-related information included in the changed part of the route information (that is, the second route information) is empty, the base station 100 (control unit 143) A part of the plurality of other information is not updated, and the registered route information is updated with respect to the non-empty other information. For example, when a value is stored only in the field of time information included in the location-related information, and the fields of information (here, location information) other than the index are blank, the base station 100 stores the location-related information in Update time information only.
- the UE 200 transmits an RRC message including route information to the base station 100 (S310). For example, the UE 200 transmits an RRC message including route information including point-related information (sequence [0]-[9]) to the base station 100 using the route information reporting procedure described above. The base station 100 receives the RRC message using the routing information reporting procedure described above. The base station 100 registers the received point-related information.
- the UE 200 transmits an RRC message including the changed part of the route information to the base station 100 (S320). For example, the UE 200 identifies changed location-related information (sequences [2]-[4], [7]) in the sequence of location-related information included in the route information. UE 200 includes the specified point-related information (sequence [2]-[4], [7]), other point-related information (sequence [0]-[1], [5]-[6], [8]-[9]) is sent to the base station 100 using the route information reporting procedure described above. The base station 100 updates the registered route information with respect to the point-related information (sequence [2]-[4], [7]) whose index matches the point-related information included in the received route information.
- an RRC message including route information or a changed part of the route information may be transmitted from the UE 200 to the base station 100 at any timing.
- an RRC message containing route information of the UE 200 is sent to the base station, the route information includes one or more of the point-related information, and the point-related information is a point Contains identification information for identifying related information. Accordingly, only the changed point-related information among the one or more point-related information included in the route information can be reported to the base station 100 . Therefore, even if the route information reported using signaling is partially changed, it is possible to suppress the deterioration of signaling efficiency. As a result, waste of radio resources and power consumption for communication are suppressed.
- Additional route information may be transmitted to the base station 100 as a first modification of the embodiment of the present disclosure.
- the UE 200 (communication processing unit 235) transmits a first RRC message including the first route information, and after transmitting the first RRC message, a second message including the second route information. Send an RRC message.
- the second route information includes one or more point-related information including identification information different from identification information contained in any of the one or more point-related information included in the first route information.
- UE 200 transmits an RRC message containing the additional route information when the route information is added after transmitting the RRC message containing the route information as in (1-1) above.
- the additional route information includes point-related information that differs from any of the point-related information in the sequence of point-related information included in the reported route information.
- the transmission of the additional route information may be performed using the route information reporting procedure on the UE 200 side described above.
- a reported FlightPathInfoReport contains a sequence WayPointLocation[0]-[9] consisting of 10 WayPointLocations.
- WayPointLocation[10]-[12] as additional route information (that is, second route information). Transmit to base station 100 .
- the base station 100 receives the first RRC message including the first route information, and after receiving the first RRC message, transmits the second RRC message including the second route information. Receive messages.
- the base station 100 controls one or more points included in the second route information including identification information different from identification information included in any of the one or more point-related information included in the first route information. The point-related information is added to the first route information.
- the base station 100 receives an RRC message containing additional route information after receiving the RRC message containing route information as in (2-1) above.
- the additional route information includes point-related information that differs from any of the point-related information in the sequence of point-related information included in the registered route information.
- the additional route information may be received using the route information reporting procedure on the base station 100 side described above.
- a registered FlightPathInfoReport contains a sequence WayPointLocation[0]-[9] consisting of 10 WayPointLocations.
- WayPointLocation[10]-[12] is received as additional route information (that is, second route information)
- the base station 100 adds WayPointLocation[10]- Add [12].
- the resulting registered sequence is WayPointLocation[0]-[12].
- the UE 200 transmits an RRC message including route information to the base station 100 (S410). For example, an RRC message containing route information containing point-related information (sequence [0]-[9]) is sent to the base station 100 .
- the UE 200 transmits an RRC message including the additional route information to the base station 100 (S420).
- RRC message including the additional route information to the base station 100 (S420).
- UE200 when new point-related information is added in the sequence of point-related information included in the route information, including the added point-related information (sequence [10]-[12]), reported
- An RRC message containing route information without point-related information is sent to the base station 100 using the route information reporting procedure described above.
- the base station 100 adds the point-related information contained in the received route information to the point-related information sequence of the registered route information.
- the second route information is A second RRC message is sent containing:
- the second route information includes one or more point-related information including identification information different from identification information contained in any of the one or more point-related information included in the first route information.
- the base station 100 adds one or more point-related information included in the second route information to the first route information.
- the entire route information for unreachable routes is reported. Therefore, among the reported route information, the route information about the unreached route is reported redundantly. Duplicate reported route information can reduce signaling efficiency.
- the UE reports additional route information when the UE reaches the end of the route indicated by the already reported route information.
- the network ie base station
- reporting of additional path information may be delayed. Thereby, a situation may arise in which the base station has no additional route information.
- the system 1 is a 5G or NR TS compliant system.
- the system 1 according to the embodiment of the present disclosure is not limited to this example.
- the system 1 may be a system compliant with other 3GPP TSs.
- the system 1 may be a system conforming to LTE, LTE-A or 4G TS, and the base station 100 may be an eNB (evolved Node B).
- base station 100 may be an ng-eNB.
- system 1 may be a 3G TS-compliant system and base station 100 may be a NodeB.
- the system 1 may be a next generation (eg, 6G) TS compliant system.
- system 1 may be a system conforming to the TS of another standardization body for mobile communications.
- steps in the processes described in this specification do not necessarily have to be executed in chronological order according to the order described in the flowcharts or sequence diagrams.
- steps in a process may be performed in an order different from that depicted in a flowchart or sequence diagram, or in parallel.
- some of the steps in the process may be deleted and additional steps may be added to the process.
- a method may be provided that includes the operation of one or more components of the apparatus described herein, and a program may be provided for causing a computer to perform the operation of the components. Further, a computer-readable non-transitional tangible recording medium recording the program may be provided.
- a method may be provided that includes the operation of one or more components of the apparatus described herein, and a program may be provided for causing a computer to perform the operation of the components.
- a computer-readable non-transitional tangible recording medium recording the program may be provided.
- such methods, programs, and computer-readable non-transitory tangible computer-readable storage mediums are also included in the present disclosure.
- user equipment refers to a mobile station, mobile terminal, mobile device, mobile unit, subscriber station, subscriber terminal, subscriber equipment, subscriber unit, wireless It may also be called a station, a wireless terminal, a wireless device, a wireless unit, a remote station, a remote terminal, a remote device, a remote unit, or the like.
- transmit may mean performing at least one layer of processing within the protocol stack used for transmission, or physically transmitting a signal wirelessly or by wire. It may mean sending to Alternatively, “transmitting” may mean a combination of performing the at least one layer of processing and physically transmitting the signal wirelessly or by wire.
- recipient may mean processing at least one layer in the protocol stack used for reception, or physically receiving a signal wirelessly or by wire. may mean that Alternatively, “receiving” may mean a combination of performing the at least one layer of processing and physically receiving the signal wirelessly or by wire.
- the at least one layer may also be translated as at least one protocol.
- “obtain/acquire” may mean obtaining information among stored information, obtaining information among information received from other nodes. or to obtain the information by generating the information.
- the terms “include” and “comprise” do not mean to include only the recited items, but may include only the recited items, or may include only the recited items. It means that further items may be included in addition to the
- a user equipment 200
- an information acquisition unit 231) that acquires route information indicating at least a movement route of the user device
- a communication processing unit 235
- the route information includes one or more point-related information about points on the movement route, A user equipment, wherein the point-related information includes identification information for identifying the point-related information.
- the point-related information includes a plurality of other information in addition to the identification information, The user equipment of feature 1, wherein some of the plurality of other information respectively included in one or more of the point-related information included in the route information are empty.
- the communication processing unit transmits a first RRC message containing first route information, and after transmitting the first RRC message, transmits a second RRC message containing second route information,
- the second route information is the same identification information as the identification information included in any of the part of the point-related information among the one or more of the point-related information included in the first route information.
- the communication processing unit transmits a first RRC message containing first route information, and after transmitting the first RRC message, transmits a second RRC message containing second route information,
- the second route information includes one or more of the location-related information including the identification information different from the identification information included in any of the one or more of the location-related information included in the first route information.
- one or more of the point-related information is a sequence of the point-related information;
- said identification information is an index of said sequence.
- a communication processing unit (145) that receives an RRC (Radio Resource Control) message including route information indicating at least a moving route of the user device (200) from the user device; an information acquisition unit (141) for acquiring the route information included in the RRC message; with The route information includes one or more point-related information about points on the movement route, A base station (100), wherein the point-related information includes identification information for identifying the point-related information.
- RRC Radio Resource Control
- the communication processing unit receives a first RRC message including first route information, receives a second RRC message including second route information after receiving the first RRC message, The location-related information included in the first route information including the same identification information as the identification information included in any of the one or more location-related information included in the second route information,
- the communication processing unit receives a first RRC message including first route information, receives a second RRC message including second route information after receiving the first RRC message, one or more of the location-related information included in the second route information including the identification information different from the identification information included in any of the one or more of the location-related information included in the first route information; , and a control unit (143) for adding to the first route information.
- the route information includes one or more point-related information about points on the movement route,
- the point-related information includes identification information for identifying the point-related information.
- RRC Radio Resource Control
- Feature 12 obtaining route information indicating at least a travel route of the user equipment (200); transmitting an RRC (Radio Resource Control) message including the route information to the base station (100);
- RRC Radio Resource Control
- the route information includes one or more point-related information about points on the movement route,
- the location-related information includes identification information for identifying the location-related information.
- Feature 14 obtaining route information indicating at least a travel route of the user equipment (200); transmitting an RRC (Radio Resource Control) message including the route information to the base station (100);
- RRC Radio Resource Control
- a computer-readable non-transitional tangible recording medium recording a program that causes a computer to execute
- the route information includes one or more point-related information about points on the movement route,
- the location-related information includes identification information for identifying the location-related information.
- RRC Radio Resource Control
- a computer-readable non-transitional tangible recording medium recording a program that causes a computer to execute
- the route information includes one or more point-related information about points on the movement route,
- the location-related information includes identification information for identifying the location-related information.
- a non-transitional substantive recording medium
Abstract
Description
1.システムの構成
2.基地局の構成
3.ユーザ機器の構成
4.動作例
5.変形例
図1を参照して、本開示の実施形態に係るシステム1の構成の例を説明する。図1を参照すると、システム1は、基地局100及びユーザ機器(UE)200を含む。
基地局100は、無線アクセスネットワーク(Radio Access Network:RAN)のノードであり、基地局100のカバレッジエリア10内に位置するUE(例えば、UE200)と通信する。
UE200は、基地局と通信する。例えば、UE200は、基地局100のカバレッジエリア10内に位置する場合に、基地局100と通信する。
図3及び図4を参照して、本開示の実施形態に係る基地局100の構成の例を説明する。
まず、図3を参照して、本開示の実施形態に係る基地局100の機能構成の例を説明する。図3を参照すると、基地局100は、無線通信部110、ネットワーク通信部120、記憶部130及び処理部140を備える。
次に、図4を参照して、本開示の実施形態に係る基地局100のハードウェア構成の例を説明する。図4を参照すると、基地局100は、アンテナ181、RF(radio frequency)回路183、ネットワークインターフェース185、プロセッサ187、メモリ189及びストレージ191を備える。
図5及び図6を参照して、本開示の実施形態に係るUE200の構成の例を説明する。
まず、図5を参照して、本開示の実施形態に係るUE200の機能構成の例を説明する。図5を参照すると、UE200は、無線通信部210、記憶部220及び処理部230を備える。
次に、図6を参照して、本開示の実施形態に係るUE200のハードウェア構成の例を説明する。図6を参照すると、UE200は、アンテナ281、RF回路283、プロセッサ285、メモリ287及びストレージ289を備える。
図7及び図8を参照して、本開示の実施形態に係る基地局100及びUE200の動作の例を説明する。
UE200は、経路情報を基地局100へ報告する。その後、経路情報が変更されると、UE200は、経路情報の変更部分を基地局100へ報告する。以下、UE200の動作及び関係する情報について詳細に説明する。
UE200は、経路情報を基地局100へ報告する。具体的には、UE200(情報取得部231)は、UE200の移動経路を少なくとも示す経路情報を取得する。UE200(通信処理部235)は、取得した経路情報を含むRRCメッセージを基地局100へ送信する。
UE200は、経路情報が変更されると、経路情報の変更部分を基地局100へ報告する。具体的には、UE200(通信処理部235)は、第1の経路情報を含む第1のRRCメッセージを送信し、当該第1のRRCメッセージの送信後に、第2の経路情報を含む第2のRRCメッセージを送信する。第2の経路情報は、第1の経路情報に含まれる1つ以上の地点関連情報のうちの一部の地点関連情報のいずれかに含まれる識別情報と同一の識別情報を含む1つ以上の地点関連情報を含む。
基地局100は、UE200から報告された経路情報を登録し、管理する。その後、経路情報の変更部分がUE200から報告されると、基地局100は、経路情報の変更部分に基づき登録済みの経路情報を更新する。以下、基地局100の動作及び関係する情報について詳細に説明する。なお、UE200の動作における説明と実質的に同一である内容については詳細な説明を省略する。
基地局100は、UE200から受信された経路情報を登録する。具体的には、基地局100(通信処理部145)は、経路情報を含むRRCメッセージをUE200から受信する。基地局100(情報取得部141)は、受信したRRCメッセージに含まれる経路情報を取得する。基地局100(制御部143)は、取得した経路情報を登録する。
基地局100は、経路情報の変更部分がUE200から報告されると、経路情報を更新する。具体的には、基地局100(通信処理部145)は、第1の経路情報を含む第1のRRCメッセージを受信し、当該第1のRRCメッセージの受信後に、第2の経路情報を含む第2のRRCメッセージを受信する。基地局100(制御部143)は、第2の経路情報に含まれる1つ以上の地点関連情報のいずれかに含まれる識別情報と同一の識別情報を含む第1の経路情報に含まれる地点関連情報を、第2の経路情報に含まれる地点関連情報に基づいて更新する。
図8を参照して、本開示の実施形態に係る処理の例を説明する。
本開示の実施形態に係る第1~第2の変形例を説明する。なお、これらの変形例のうちの2つ以上が組み合わせられてもよい。
上述した本開示の実施形態では、経路情報の変更部分が送信される。しかし、本開示の実施形態に係る経路情報の部分的な送信は、この例に限定されない。
本開示の実施形態の上述した例では、システム1は、5G又はNRのTSに準拠したシステムである。しかし、本開示の実施形態に係るシステム1は、この例に限定されない。
ユーザ機器(200)であって、
前記ユーザ機器の移動経路を少なくとも示す経路情報を取得する情報取得部(231)と、
前記経路情報を含むRRC(Radio Resource Control)メッセージを基地局(100)へ送信する通信処理部(235)と、
を備え、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
ユーザ機器。
前記地点関連情報は、前記識別情報に加えて複数の他の情報を含み、
前記経路情報に含まれる1つ以上の前記地点関連情報にそれぞれ含まれる前記複数の他の情報のうちの一部は空である
特徴1に記載のユーザ機器。
前記複数の他の情報は、前記移動経路上の地点を示す地点情報、及び前記地点に関する時間を示す時間情報を少なくとも含む
特徴2に記載のユーザ機器。
前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを送信し、前記第1のRRCメッセージの送信後に、第2の経路情報を含む第2のRRCメッセージを送信し、
前記第2の経路情報は、前記第1の経路情報に含まれる1つ以上の前記地点関連情報のうちの一部の前記地点関連情報のいずれかに含まれる前記識別情報と同一の前記識別情報を含む1つ以上の前記地点関連情報を含む
特徴1~3のいずれか1項に記載のユーザ機器。
前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを送信し、前記第1のRRCメッセージの送信後に、第2の経路情報を含む第2のRRCメッセージを送信し、
前記第2の経路情報は、前記第1の経路情報に含まれる1つ以上の前記地点関連情報のいずれに含まれる前記識別情報とも異なる前記識別情報を含む1つ以上の前記地点関連情報を含む
特徴1~4のいずれか1項に記載のユーザ機器。
1つ以上の前記地点関連情報は、前記地点関連情報のシーケンスであり、
前記識別情報は、前記シーケンスのインデックスである
特徴1~5のいずれか1項に記載のユーザ機器。
ユーザ機器(200)の移動経路を少なくとも示す経路情報を含むRRC(Radio Resource Control)メッセージを前記ユーザ機器から受信する通信処理部(145)と、
前記RRCメッセージに含まれる前記経路情報を取得する情報取得部(141)と、
を備え、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
基地局(100)。
前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを受信し、前記第1のRRCメッセージの受信後に、第2の経路情報を含む第2のRRCメッセージを受信し、
前記第2の経路情報に含まれる1つ以上の前記地点関連情報のいずれかに含まれる前記識別情報と同一の前記識別情報を含む前記第1の経路情報に含まれる前記地点関連情報を、前記第2の経路情報に含まれる前記地点関連情報に基づいて更新する制御部(143)をさらに備える
特徴7に記載の基地局。
前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを受信し、前記第1のRRCメッセージの受信後に、第2の経路情報を含む第2のRRCメッセージを受信し、
前記第1の経路情報に含まれる1つ以上の前記地点関連情報のいずれに含まれる前記識別情報とも異なる前記識別情報を含む前記第2の経路情報に含まれる1つ以上の前記地点関連情報を、前記第1の経路情報に追加する制御部(143)をさらに備える
特徴7又は8に記載の基地局。
ユーザ機器(200)により行われる方法であって、
前記ユーザ機器の移動経路を少なくとも示す経路情報を取得することと、
前記経路情報を含むRRC(Radio Resource Control)メッセージを基地局(100)へ送信することと、
を含み、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
方法。
基地局(100)により行われる方法であって、
ユーザ機器(200)の移動経路を少なくとも示す経路情報を含むRRC(Radio Resource Control)メッセージを前記ユーザ機器から受信することと、
前記RRCメッセージに含まれる前記経路情報を取得することと、
を含み、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
方法。
ユーザ機器(200)の移動経路を少なくとも示す経路情報を取得することと、
前記経路情報を含むRRC(Radio Resource Control)メッセージを基地局(100)へ送信することと、
をコンピュータに実行させるプログラムであって、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
プログラム。
ユーザ機器(200)の移動経路を少なくとも示す経路情報を含むRRC(Radio Resource Control)メッセージを前記ユーザ機器から受信することと、
前記RRCメッセージに含まれる前記経路情報を取得することと、
をコンピュータに実行させるプログラムであって、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
プログラム。
ユーザ機器(200)の移動経路を少なくとも示す経路情報を取得することと、
前記経路情報を含むRRC(Radio Resource Control)メッセージを基地局(100)へ送信することと、
をコンピュータに実行させるプログラムを記録したコンピュータに読み取り可能な非遷移的実体的記録媒体であって、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
非遷移的実体的記録媒体。
ユーザ機器(200)の移動経路を少なくとも示す経路情報を含むRRC(Radio Resource Control)メッセージを前記ユーザ機器から受信することと、
前記RRCメッセージに含まれる前記経路情報を取得することと、
をコンピュータに実行させるプログラムを記録したコンピュータに読み取り可能な非遷移的実体的記録媒体であって、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
非遷移的実体的記録媒体。
Claims (11)
- 装置(200)であって、
前記装置の移動経路を少なくとも示す経路情報を取得する情報取得部(231)と、
前記経路情報を含むRRC(Radio Resource Control)メッセージを基地局(100)へ送信する通信処理部(235)と、
を備え、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
装置。 - 前記地点関連情報は、前記識別情報に加えて複数の他の情報を含み、
前記経路情報に含まれる1つ以上の前記地点関連情報にそれぞれ含まれる前記複数の他の情報のうちの一部は空である
請求項1に記載の装置。 - 前記複数の他の情報は、前記移動経路上の地点を示す地点情報、及び前記地点に関する時間を示す時間情報を少なくとも含む
請求項2に記載の装置。 - 前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを送信し、前記第1のRRCメッセージの送信後に、第2の経路情報を含む第2のRRCメッセージを送信し、
前記第2の経路情報は、前記第1の経路情報に含まれる1つ以上の前記地点関連情報のうちの一部の前記地点関連情報のいずれかに含まれる前記識別情報と同一の前記識別情報を含む1つ以上の前記地点関連情報を含む
請求項1~3のいずれか1項に記載の装置。 - 前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを送信し、前記第1のRRCメッセージの送信後に、第2の経路情報を含む第2のRRCメッセージを送信し、
前記第2の経路情報は、前記第1の経路情報に含まれる1つ以上の前記地点関連情報のいずれに含まれる前記識別情報とも異なる前記識別情報を含む1つ以上の前記地点関連情報を含む
請求項1~4のいずれか1項に記載の装置。 - 1つ以上の前記地点関連情報は、前記地点関連情報のシーケンスであり、
前記識別情報は、前記シーケンスのインデックスである
請求項1~5のいずれか1項に記載の装置。 - ユーザ機器(200)の移動経路を少なくとも示す経路情報を含むRRC(Radio Resource Control)メッセージを前記ユーザ機器から受信する通信処理部(145)と、
前記RRCメッセージに含まれる前記経路情報を取得する情報取得部(141)と、
を備え、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
装置(100)。 - 前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを受信し、前記第1のRRCメッセージの受信後に、第2の経路情報を含む第2のRRCメッセージを受信し、
前記第2の経路情報に含まれる1つ以上の前記地点関連情報のいずれかに含まれる前記識別情報と同一の前記識別情報を含む前記第1の経路情報に含まれる前記地点関連情報を、前記第2の経路情報に含まれる前記地点関連情報に基づいて更新する制御部(143)をさらに備える
請求項7に記載の装置。 - 前記通信処理部は、第1の経路情報を含む第1のRRCメッセージを受信し、前記第1のRRCメッセージの受信後に、第2の経路情報を含む第2のRRCメッセージを受信し、
前記第1の経路情報に含まれる1つ以上の前記地点関連情報のいずれに含まれる前記識別情報とも異なる前記識別情報を含む前記第2の経路情報に含まれる1つ以上の前記地点関連情報を、前記第1の経路情報に追加する制御部(143)をさらに備える
請求項7又は8に記載の装置。 - 装置(200)により行われる方法であって、
前記装置の移動経路を少なくとも示す経路情報を取得することと、
前記経路情報を含むRRC(Radio Resource Control)メッセージを基地局(100)へ送信することと、
を含み、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
方法。 - 装置(100)により行われる方法であって、
ユーザ機器(200)の移動経路を少なくとも示す経路情報を含むRRC(Radio Resource Control)メッセージを前記ユーザ機器から受信することと、
前記RRCメッセージに含まれる前記経路情報を取得することと、
を含み、
前記経路情報は、前記移動経路上の地点に関する1つ以上の地点関連情報を含み、
前記地点関連情報は、前記地点関連情報を識別するための識別情報を含む
方法。
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