WO2026028362A1 - Nœud de réseau et procédé de commande - Google Patents

Nœud de réseau et procédé de commande

Info

Publication number
WO2026028362A1
WO2026028362A1 PCT/JP2024/027442 JP2024027442W WO2026028362A1 WO 2026028362 A1 WO2026028362 A1 WO 2026028362A1 JP 2024027442 W JP2024027442 W JP 2024027442W WO 2026028362 A1 WO2026028362 A1 WO 2026028362A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
power supply
network node
information
wireless power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/JP2024/027442
Other languages
English (en)
Japanese (ja)
Inventor
僚士 田村
史登 黒岩
バハドール バクシ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to PCT/JP2024/027442 priority Critical patent/WO2026028362A1/fr
Publication of WO2026028362A1 publication Critical patent/WO2026028362A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/024—Guidance services

Definitions

  • the present invention relates to a network node and a control method in a communication system.
  • 5G Fifth Generation Partnership Project
  • 5G New Radio
  • NR New Radio
  • NR is considering network architectures including 5GC (5G Core Network), which corresponds to EPC (Evolved Packet Core), the core network in the LTE (Long Term Evolution) network architecture, and NG-RAN (Next Generation Radio Access Network), which corresponds to E-UTRAN (Evolved Universal Terrestrial Radio Access Network), the RAN (Radio Access Network) in the LTE network architecture (for example, Non-Patent Document 1 and Non-Patent Document 2).
  • 5GC 5G Core Network
  • EPC Evolved Packet Core
  • LTE Long Term Evolution
  • NG-RAN Next Generation Radio Access Network
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • the RAN Radio Access Network
  • Non-Patent Document 1 and Non-Patent Document 2 Non-Patent Document 2
  • wireless power transmission systems are being considered that use wireless technology to supply power to a remote receiving unit from a power transmitting unit without the need for a power cord.
  • a space-transmission wireless power transmission system transmits power as radio waves by placing antennas facing each other between the transmitting and receiving units. This system makes it possible to supply power to remote devices. For example, it is possible to transmit power to devices up to 10 meters away from the power transmitting unit.
  • This technology is also useful as a method of supplying power to each sensor in a system made up of multiple sensors using IoT (Internet of Things) technology.
  • IoT Internet of Things
  • the present invention was made in consideration of the above points, and aims to make it easier to implement wireless power supply.
  • the disclosed technology provides a network node having a receiving unit that receives information related to remaining battery power from a terminal, a control unit that determines whether to wirelessly power the terminal based on the remaining battery power, and a transmitting unit that, if it is determined that wireless power should be supplied to the terminal, sends an instruction to the terminal to move to a wireless power supply spot.
  • the disclosed technology makes it easy to implement wireless power supply.
  • FIG. 1 is a diagram illustrating an example of a communication system.
  • FIG. 1 is a diagram illustrating an example of a communication system in a roaming environment.
  • FIG. 1 is a diagram for explaining an example (1) of a wireless power supply system.
  • FIG. 10 is a diagram for explaining an example (2) of a wireless power supply system.
  • 1 is a diagram illustrating an example of a wireless power supply system according to an embodiment of the present invention.
  • FIG. 1 is a sequence diagram for explaining an example (1) of wireless power supply according to an embodiment of the present invention.
  • FIG. 10 is a sequence diagram for explaining an example (2) of wireless power supply according to the embodiment of the present invention.
  • 10 is a flowchart illustrating an example of determining whether charging is necessary in the embodiment of the present invention.
  • FIG. 10 is a flowchart illustrating an example of determining a power supply location according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an example of a functional configuration of a base station 10 according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an example of a functional configuration of a terminal 20 according to an embodiment of the present invention.
  • 2 is a diagram illustrating an example of a hardware configuration of a base station 10 and a terminal 20 according to an embodiment of the present invention.
  • FIG. FIG. 2 is a diagram showing an example of the configuration of a vehicle 2001 according to an embodiment of the present invention.
  • LTE Long Term Evolution
  • NR Universal Terrestrial Radio Access
  • LAN Local Area Network
  • "configuring" radio parameters etc. may mean that predetermined values are pre-configured, or that radio parameters notified from the network node 30 or terminal 20 are configured.
  • Figure 1 is a diagram illustrating an example of a communication system.
  • the communication system is composed of a UE, which is a terminal 20, and multiple network nodes 30.
  • a UE which is a terminal 20
  • multiple network nodes 30 it is assumed that one network node 30 corresponds to each function, but multiple functions may be realized by one network node 30, or multiple network nodes 30 may realize one function.
  • the "connection" described below may be a logical connection or a physical connection.
  • the RAN Radio Access Network
  • the RAN is a network node 30 with radio access functionality, which may include a base station 10, and is connected to a UE, an AMF (Access and Mobility Management Function), and a UPF (User plane function).
  • the AMF is a network node 30 with functions such as RAN interface termination, NAS (Non-Access Stratum) termination, registration management, connection management, reachability management, and mobility management.
  • the UPF is a network node 30 with functions such as a PDU (Protocol Data Unit) session point to the outside that interconnects with the DN (Data Network), packet routing and forwarding, and user plane QoS (Quality of Service) handling.
  • the UPF and DN constitute a network slice. In a wireless communication network in an embodiment of the present invention, multiple network slices may be constructed.
  • the AMF is connected to the UE, RAN, SMF (Session Management function), NSSF (Network Slice Selection Function), NEF (Network Exposure Function), NRF (Network Repository Function), UDM (Unified Data Management), AUSF (Authentication Server Function), PCF (Policy Control Function), and AF (Application Function).
  • the AMF, SMF, NSSF, NEF, NRF, UDM, AUSF, PCF, and AF are network nodes 30 that are interconnected via their respective service-based interfaces: Namf, Nsmf, Nnssf, Nnef, Nnrf, Nudm, Nausf, Npcf, and Naf.
  • the SMF is a network node 30 that has functions such as session management, UE IP (Internet Protocol) address allocation and management, DHCP (Dynamic Host Configuration Protocol) function, ARP (Address Resolution Protocol) proxy, and roaming function.
  • the NEF is a network node 30 that has the function of notifying other NFs (Network Functions) of capabilities and events.
  • the NSSF is a network node 30 that has functions such as selecting the network slice to which the UE connects, determining the allowed NSSAI (Network Slice Selection Assistance Information), determining the NSSAI to be set, and determining the AMF set to which the UE connects.
  • the PCF is a network node 30 that has the function of controlling network policies.
  • the AF is a network node 30 that has the function of controlling application servers.
  • the NRF is a network node 30 that has the function of discovering NF instances that provide services.
  • the UDM is a network node 30 that manages subscriber data and authentication data. The UDM is connected to the UDR (User Data Repository) that holds this data.
  • Figure 2 is a diagram illustrating an example of a communication system in a roaming environment.
  • the network is composed of a terminal 20 (UE) and multiple network nodes 30.
  • UE terminal 20
  • network nodes 30 it is assumed that one network node 30 corresponds to each function, but multiple functions may be realized by one network node 30, or multiple network nodes 30 may realize one function.
  • connection described below may be a logical connection or a physical connection.
  • the RAN is a network node 30 with radio access functionality, and is connected to the UE, AMF, and UPF.
  • the AMF is a network node 30 with functions such as RAN interface termination, NAS termination, registration management, connection management, reachability management, and mobility management.
  • the UPF is a network node 30 with functions such as a PDU session point to the outside that interconnects with the DN, packet routing and forwarding, and user plane QoS handling.
  • the UPF and DN constitute a network slice. In the wireless communication network of an embodiment of the present invention, multiple network slices are constructed.
  • the AMF is connected to the UE, RAN, SMF, NSSF, NEF, NRF, UDM, AUSF, PCF, AF, and SEPP (Security Edge Protection Proxy).
  • the AMF, SMF, NSSF, NEF, NRF, UDM, AUSF, PCF, and AF are network nodes 30 that are interconnected via their respective service-based interfaces: Namf, Nsmf, Nnssf, Nnef, Nnrf, Nudm, Nausf, Npcf, and Naf.
  • the SMF is a network node 30 that has functions such as session management, UE IP address allocation and management, DHCP function, ARP proxy, and roaming function.
  • the NEF is a network node 30 that has the function of notifying other NFs of capabilities and events.
  • the NSSF is a network node 30 that has functions such as selecting the network slice to which the UE connects, determining the allowed NSSAI, determining the configured NSSAI, and determining the AMF set to which the UE connects.
  • the PCF is a network node 30 that has the function of controlling network policies.
  • the AF is a network node 30 that has the function of controlling application servers.
  • the NRF is a network node 30 that has the function of discovering NF instances that provide services.
  • the SEPP is a non-transparent proxy that filters control plane messages between PLMNs (Public Land Mobile Networks).
  • the vSEPP shown in Figure 2 is a SEPP in the visited network
  • the hSEPP is
  • the UE is in a roaming environment connected to the RAN and AMF in the VPLMN (Visited PLMN).
  • the VPLMN and HPLMN (Home PLMN) are connected via vSEPP and hSEPP.
  • the UE can communicate with the UDM of the HPLMN, for example, via the AMF of the VPLMN.
  • wireless power transmission systems are being considered that use wireless technology to supply power from a power transmitting unit to a remote power receiving unit without the need for a power cord.
  • a space-transmission type wireless power transmission system transmits power as radio waves by opposing antennas between the transmitting and receiving units. This system makes it possible to supply power to remote devices. For example, it is possible to transmit power to devices up to 10m away from the power transmitting unit.
  • This technology is also useful as a method of supplying power to each sensor in a system made up of multiple sensors using IoT (Internet of Things) technology.
  • IoT Internet of Things
  • Figure 3 is a diagram illustrating an example of a wireless power supply system (1). As shown in Figure 3, no power cable is required, and power can be supplied to multiple devices simultaneously by irradiating a wide area.
  • Figure 4 is a diagram illustrating an example (2) of a wireless power supply system. As shown in Figure 4, by concentrating power, it is possible to supply power to devices located further away.
  • FIG. 5 is a diagram illustrating an example of a wireless power supply system according to an embodiment of the present invention.
  • the wireless power transmission system or wireless power supply system may include a power supply management system, a mobile network, a terminal, and a wireless power supply spot.
  • the power supply spot may be replaced with a wireless power supply spot.
  • the terminal may be moved to the most suitable position where power can be supplied, taking into consideration the available power supply range, power supply capacity (e.g., power supply standards, amount of power, etc.), power supply spot usage status, available power supply capacity, contract information, terminal power receiving capacity, remaining battery level, current location, movement capacity, movement route, movement time, power consumed during movement, etc., thereby realizing optimal power supply to the terminal.
  • the terminal may be moved by a human, or by an autonomously moving robot.
  • the management system may be included within the mobile network or may be external.
  • a management system within the core network may make the charging decision.
  • a third-party system may make the charging decision.
  • the management system takes into account the terminal information and the power supply spot information to calculate the optimal power supply position and send a movement command to the terminal. For example, the following steps 1 to 6 may be executed.
  • Step 1 The terminal transmits information about its own device (location information, remaining battery power, remaining battery usable time, mobility of the device, etc.) to the power supply management system via the mobile network. This transmission may be performed periodically, when the remaining battery power is low, or simultaneously with the location registration signal.
  • location information information about its own device
  • remaining battery power remaining battery usable time, mobility of the device, etc.
  • Step 3 The power supply management system sends a movement command to the terminal.
  • the movement command may be substituted for a movement instruction.
  • Step 4 The terminal may be moved into the power supply range by a human, or an autonomously moving robot may move the terminal into the power supply range.
  • Step 5 The terminal receives power from the power supply spot and begins power supplying.
  • Step 6 The terminal may perform fine-tuning of the power supply location in cooperation with the power supply spot or autonomously.
  • FIG. 6 is a sequence diagram for explaining an example (1) of wireless power supply in an embodiment of the present invention.
  • the core network may include a UDM/UDR, a BCMF (Battery Charging Management Function), an LMF (Location Management Function)/GMLC (Gateway Mobile Location Centre)/NEF, and may further include an OAM (Operations Administration and Maintenance).
  • the BCMF may be a new function unit that manages power supply. Note that "/" may be replaced with "and/or”. Furthermore, transmission and reception in the sequence may be performed via messages.
  • step S101 the terminal triggers step S102 when the timer expires, when the battery level is below the threshold, or when a location registration signal is transmitted.
  • step S102 the terminal transmits its own device's capability and status information to the BCMF.
  • the capability and status information of the terminal may include location information, remaining battery level, remaining battery usable time, and the device's mobility capability.
  • the terminal may also transmit its own device's identifier, location information, etc.
  • step S103 the BCMF sends a request for contract information for the terminal to the UDM/UDR.
  • step S104 the UDM/UDR sends the contract information for the terminal to the BCMF.
  • the contract information may include, for example, some or all of the following: whether or not there is a wireless power supply contract, remaining chargeable capacity (e.g., 10 kWh), remaining chargeable time (e.g., 10 hours), power supply contract area (e.g., Tokyo), power supply method or standard (e.g., laser or radio wave), etc.
  • step S105 the BCMF sends a location information request for the terminal to the LMF/GMLC/NEF.
  • step S106 the LMF/GMLC/NEF sends the location information for the terminal to the BCMF. Note that, for example, if location information has already been obtained from the terminal, steps S105 and S106 do not need to be executed.
  • step S107 the BCMF determines whether charging is necessary. If it is determined that charging is necessary, the process proceeds to step S108; if it is determined that charging is not necessary, the sequence may be interrupted. Details of step S107 will be described later using Figure 8.
  • step S108 the BCMF calculates and reserves the optimal power supply location. Details of step S107 will be described later using Figure 9.
  • step S109 the BCMF calculates a travel route from the terminal to the target power supply spot. Execution of step S109 may be optional.
  • the BCMF sends a movement command to the terminal.
  • the movement command may include, for example, a location (e.g., latitude 35.673067 and longitude 139.740756), an altitude (e.g., 100 m), an address (e.g., E floor, Building D, B-C, Nagatacho A-chome, Chiyoda-ku, Tokyo), and part or all of the movement route.
  • the BCMF may notify the terminal that the target power supply spot has been reserved.
  • step S112a the terminal sends a power supply request to the BCMF.
  • step S113a the BCMF determines whether power supply is possible. For example, if the power supply request is sent from a terminal that has already sent a movement command, the BCMF may determine that power supply is possible. For example, if the BCMF determines that power supply is not possible, it may interrupt the sequence and send information to the terminal indicating that power supply is not possible.
  • step S114a the BCMF sends a power supply request to the power supply spot. After executing step S114a, proceed to step S115.
  • step S112b the terminal sends a power supply request to the power supply spot.
  • the power supply spot sends a contract information request for the terminal to the UDM/UDR.
  • step S114b the UDM/UDR sends the contract information for the terminal to the power supply spot.
  • the power supply spot may decide whether to supply power to the terminal based on the contract information for the terminal. After executing step S114b, proceed to step S115.
  • step S115 the power supply spot supplies power to the terminal.
  • step S116 the terminal may fine-tune the power supply location in cooperation with the power supply spot or autonomously.
  • Figure 7 is a sequence diagram for explaining an example (2) of wireless power supply in an embodiment of the present invention.
  • the core network may include UDM/UDR, BCMF, LMF/GMLC/NEF, and may also include OAM.
  • BCMF may be a new function unit that manages power supply. Note that "/" may be replaced with "and/or.”
  • the terminal power supply management system may be configured within the core network, within the OAM, or outside the core network.
  • step S201 the terminal triggers step S202 when the timer expires, when the battery remaining capacity is below the threshold, or when a location registration signal is transmitted.
  • step S202 the terminal transmits its own capability and status information to the terminal power supply management system.
  • the capability and status information of the terminal may include location information, remaining battery capacity, remaining battery usable time, and the mobility capability of the terminal.
  • the terminal may also transmit its own device identifier, location information, etc.
  • step S205 the terminal power supply management system determines whether charging is necessary. If it is determined that charging is necessary, the system proceeds to step S206; if it is determined that charging is not necessary, the sequence may be interrupted. Details of step S205 will be described later using Figure 8.
  • step S206 the terminal power supply management system calculates and reserves the optimal power supply location. Details of step S206 will be described later using Figure 9.
  • step S207 the terminal power supply management system transmits a request for power supply authorization and power supply reservation for the terminal to the BCMF.
  • the power supply reservation may be a power supply reservation for the power supply spot determined in step S206.
  • step S208 the BCMF sends a request for contract information for the terminal to the UDM/UDR.
  • step S209 the UDM/UDR sends the contract information for the terminal to the BCMF.
  • the contract information may include, for example, some or all of the following: whether or not there is a wireless power supply contract, remaining chargeable capacity (e.g., 10 kWh), remaining chargeable time (e.g., 10 hours), power supply contract area (e.g., Tokyo), power supply method or standard (e.g., laser or radio wave), etc.
  • step S210 the BCMF transmits the power supply authorization and reservation results for the terminal to the terminal power supply management system. If power can be supplied to the terminal based on the contract information, the BCMF may authorize the power supply and notify the terminal that the reservation was successful, or may notify the terminal that the target power supply spot has been reserved.
  • step S211 the BCMF calculates a travel route from the terminal to the target power supply spot. Execution of step S211 may be optional.
  • the terminal power supply management system sends a movement command to the terminal.
  • the movement command may include, for example, a location (e.g., latitude 35.673067 and longitude 139.740756), an altitude (e.g., 100 m), an address (e.g., E floor, Building D, B-C, Nagatacho A-chome, Chiyoda-ku, Tokyo), and part or all of a movement route.
  • step S213 the terminal may be manually moved to the power supply spot based on the movement command by displaying the destination and the movement instruction on the user interface. Furthermore, if the terminal is an autonomously mobile device, it may be moved to the power supply spot based on the movement command. After executing step S213, proceed to step S214a or step S214b.
  • step S214a the terminal sends a power supply request to the BCMF.
  • step S215a the BCMF sends the power supply request to the power supply spot. After executing step S215a, proceed to step S217.
  • step S214b the terminal sends a power supply request to the power supply spot.
  • step S215b the power supply spot sends a contract information request for the terminal to the UDM/UDR.
  • step S216b the UDM/UDR sends the contract information for the terminal to the power supply spot.
  • the power supply spot may decide whether to supply power to the terminal based on the contract information for the terminal. After executing step S216b, proceed to step S217.
  • step S217 the power supply spot supplies power to the terminal.
  • the terminal may fine-tune the power supply location in cooperation with the power supply spot or autonomously.
  • FIG. 8 is a flowchart illustrating an example of determining the need for charging in an embodiment of the present invention.
  • the flowchart shown in FIG. 8 may be executed by the BCMF in step S107 of FIG. 6, or by the terminal power supply management system in step S205 of FIG. 7.
  • the BCMF or the terminal power supply management system will be referred to as a network node.
  • step S301 the network node acquires contract information for a certain terminal.
  • step S302 the network node determines whether the contract information is contract information that allows for power supply. If the contract information is contract information that allows for power supply (YES in S302), the process proceeds to step S303. If the contract information is not contract information that allows for power supply (NO in S302), the process proceeds to step S309. Note that steps S301 and S302 do not have to be executed by the terminal power supply management system.
  • the network node acquires information about power supply spots around the terminal.
  • the network node may acquire information about power supply spots that satisfy a filter condition.
  • the filter condition may include that the power supply spot conforms to the terminal's power receiving capacity or specifications, that the use of the power supply spot is included in the contents of the terminal's contract, and/or that the power supply spot has spare power supply capacity.
  • step S304 the network node determines whether a power supply spot exists. If a power supply spot exists (YES in S304), the process proceeds to step S305; if a power supply spot does not exist (NO in S304), the process proceeds to step S309.
  • the network node calculates the power that the terminal will consume while moving from its current location to the target power supply spot.
  • the target power supply spot may be one of multiple candidates that could potentially be used for power supply.
  • the network node may calculate the power based on the remaining battery level, current location, mobility, the travel route and/or travel time to the closest location within the power supply range of the power supply spot, etc.
  • the power may be calculated based on the predicted time required for travel, or the travel distance.
  • step S306 it is determined whether the value obtained by subtracting the [estimated power consumption during travel] from the [current remaining battery power] is equal to or less than the threshold value for the [remaining battery power requiring charging]. If it is equal to or less than the threshold value (YES in S306), proceed to step S307; if it is not equal to or less than the threshold value (NO in S306), proceed to step S308.
  • the [estimated power consumption during travel] may be any of multiple candidates that may be used for power supply, or if any of the multiple candidates that may be used for power supply satisfies the determination in step S306, proceed to step S307.
  • step S307 the network node determines that the terminal requires power supply.
  • step S308 the network node determines that the terminal does not require power supply.
  • step S309 the network node determines that the terminal cannot be powered.
  • FIG. 9 is a flowchart illustrating an example of determining a power supply location in an embodiment of the present invention.
  • the flowchart shown in FIG. 9 may be executed by the BCMF in step S107 of FIG. 6, or by the terminal power supply management system in step S205 of FIG. 7.
  • the BCMF or the terminal power supply management system will be referred to as a network node.
  • the network node acquires information about power supply spots around the terminal.
  • the acquired power supply spot information may correspond to multiple power supply spots.
  • the network node may acquire information about power supply spots that satisfy a filter condition.
  • the filter condition may include that the power supply spot conforms to the power receiving capacity or specifications of the terminal, that use of the power supply spot is included in the contents of the terminal's contract, and/or that the power supply spot has spare power supply capacity.
  • the network node calculates the power required when the terminal moves from its current location to each power supply spot. For example, the network node may calculate the power based on the remaining battery level, the current location, mobility, the travel route and/or travel time to the closest location within the power supply range of the power supply spot, etc. Furthermore, for example, the power may be calculated based on the predicted time required for travel, or the travel distance.
  • step S403 the network node sorts the power supply spots in descending order of the amount of power required for the terminal to travel to the power supply spot.
  • the power supply spots may also be sorted in ascending order of the estimated travel time or travel distance.
  • step S404 the network node determines whether the top-ranked power supply spot among the sorted power supply spots can be reserved.
  • the network node may determine that the top-ranked power supply spot can be reserved if the power supply capacity is not exceeded at the time obtained by adding the time required for the terminal to travel to the current time, and may determine that the top-ranked power supply spot cannot be reserved if the power supply capacity is exceeded. If the top-ranked power supply spot can be reserved (YES in S404), it determines the top-ranked power supply spot as the power supply location, and if the top-ranked power supply spot cannot be reserved (NO in S404), it proceeds to step S405.
  • the network node may also notify that wireless power supply is scheduled to be performed at the power supply spot determined as the power supply location.
  • step S405 the network node deletes the top-ranked power supply spot from the sorted power supply spots and proceeds to step S404. If all power supply spots have been deleted, it may decide that power supply is not possible and stop the flow.
  • the above-described embodiment enables optimal power supply according to the status of the terminal and the status of the power supply spot. Usability is improved as users can receive power according to the system's information without having to worry about the remaining battery level. In the case of autonomously moving objects such as drones, the system makes autonomous decisions and supplies power, reducing the amount of manpower required.
  • the base station 10, network node 30, and terminal 20 include functions for performing the above-described embodiments. However, the base station 10, network node 30, and terminal 20 may each include only a part of the functions of the embodiments.
  • FIG. 10 is a diagram showing an example of the functional configuration of the base station 10.
  • the base station 10 has a transmitting unit 110, a receiving unit 120, a setting unit 130, and a control unit 140.
  • the functional configuration shown in FIG. 10 is merely an example. As long as the operations according to the embodiment of the present invention can be performed, the names of the functional divisions and functional units may be any.
  • the network node 30 may have the same functional configuration as the base station 10.
  • a network node 30 having multiple different functions in the system architecture may be composed of multiple network nodes 30 separated by function.
  • the transmitter 110 has the function of generating signals to be transmitted to the terminal 20 or other network nodes 30, and transmitting the signals via wired or wireless communication.
  • the receiver 120 has the function of receiving various signals transmitted from the terminal 20 or other network nodes 30, and obtaining, for example, information at higher layers from the received signals.
  • the setting unit 130 stores pre-set setting information and various setting information to be sent to the terminal 20 in a storage device, and reads it from the storage device as needed.
  • the contents of the setting information include, for example, settings related to the operations described in the embodiments.
  • the control unit 140 performs processing related to the operations described in the embodiments, as explained in the embodiments.
  • the control unit 140 also performs processing related to communication with the terminal 20.
  • the functional unit related to signal transmission in the control unit 140 may be included in the transmitting unit 110, and the functional unit related to signal reception in the control unit 140 may be included in the receiving unit 120.
  • Fig. 11 is a diagram showing an example of the functional configuration of the terminal 20. As shown in Fig. 11, the terminal 20 has a transmitting unit 210, a receiving unit 220, a setting unit 230, and a control unit 240.
  • the functional configuration shown in Fig. 11 is merely an example.
  • the names of the functional divisions and functional units may be any names as long as they can perform the operations according to the embodiment of the present invention.
  • the transmitter 210 creates a transmission signal from the transmission data and transmits the transmission signal wirelessly.
  • the receiver 220 receives various signals wirelessly and obtains higher layer signals from the received physical layer signals.
  • the receiver 220 also has the function of receiving NR-PSS, NR-SSS, NR-PBCH, DL/UL control signals, reference signals, etc. transmitted from the network node 30.
  • the setting unit 230 stores various setting information received from the network node 30 by the receiving unit 220 in a storage device and reads it from the storage device as needed.
  • the setting unit 230 also stores setting information that is set in advance.
  • the content of the setting information includes, for example, settings related to the operations described in the embodiments.
  • the control unit 240 performs processing related to the operations described in the embodiments, as explained in the embodiments.
  • the control unit 240 also performs processing related to the capacity-enhanced cell.
  • the functional unit related to signal transmission in the control unit 240 may be included in the transmitting unit 210, and the functional unit related to signal reception in the control unit 240 may be included in the receiving unit 220.
  • each functional block may be realized using a single device that is physically or logically coupled, or may be realized using two or more physically or logically separated devices that are directly or indirectly connected (e.g., using wires, wirelessly, etc.) and these multiple devices.
  • the functional block may also be realized by combining software with the single device or multiple devices.
  • Functions include, but are not limited to, judgment, determination, assessment, calculation, computation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, election, establishment, comparison, assumption, expectation, regard, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, and assignment.
  • a functional block (component) that performs transmission functions is called a transmitting unit or transmitter.
  • transmitting unit or transmitter As mentioned above, there are no particular limitations on how these functions are implemented.
  • the network node 30, terminal 20, etc. in one embodiment of the present disclosure may function as a computer that performs processing of the wireless communication method of the present disclosure.
  • Figure 12 is a diagram showing an example of the hardware configuration of a base station 10 and terminal 20 in one embodiment of the present disclosure.
  • the network node 30 may have the same hardware configuration as the base station 10.
  • the above-mentioned base station 10 and terminal 20 may be physically configured as a computer device including a processor 1001, a storage device 1002, an auxiliary storage device 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, etc.
  • the term "apparatus" can be interpreted as a circuit, device, unit, etc.
  • the hardware configuration of the base station 10 and terminal 20 may be configured to include one or more of the devices shown in the figure, or may be configured to exclude some of the devices.
  • the functions of the base station 10 and terminal 20 are realized by loading specific software (programs) onto hardware such as the processor 1001 and storage device 1002, causing the processor 1001 to perform calculations, control communications via the communication device 1004, and control at least one of the reading and writing of data from and to the storage device 1002 and auxiliary storage device 1003.
  • the processor 1001 for example, runs an operating system to control the entire computer.
  • the processor 1001 may be configured as a central processing unit (CPU) that includes an interface with peripheral devices, a control unit, an arithmetic unit, registers, etc.
  • CPU central processing unit
  • control unit 140, control unit 240, etc. may be realized by the processor 1001.
  • the processor 1001 also loads programs (program code), software modules, data, etc. from at least one of the auxiliary storage device 1003 and the communication device 1004 into the storage device 1002, and executes various processes in accordance with these.
  • the programs used are those that cause a computer to execute at least some of the operations described in the above-described embodiments.
  • the control unit 140 of the base station 10 shown in FIG. 10 may be implemented by a control program stored in the storage device 1002 and running on the processor 1001.
  • the control unit 240 of the terminal 20 shown in FIG. 11 may be implemented by a control program stored in the storage device 1002 and running on the processor 1001.
  • While the various processes described above have been described as being executed by a single processor 1001, they may also be executed simultaneously or sequentially by two or more processors 1001.
  • the processor 1001 may be implemented on one or more chips.
  • the programs may also be transmitted from a network via a telecommunications line.
  • the storage device 1002 is a computer-readable recording medium and may be composed of, for example, at least one of a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electrically Erasable Programmable ROM), a RAM (Random Access Memory), etc.
  • the storage device 1002 may also be called a register, a cache, a main memory, etc.
  • the storage device 1002 can store executable programs (program code), software modules, etc. for implementing a communication method according to one embodiment of the present disclosure.
  • Auxiliary storage device 1003 is a computer-readable recording medium, and may be composed of at least one of, for example, an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (e.g., a compact disk, a digital versatile disk, a Blu-ray (registered trademark) disk), a smart card, flash memory (e.g., a card, a stick, a key drive), a floppy (registered trademark) disk, a magnetic strip, etc.
  • the above-mentioned storage medium may be, for example, a database, a server, or other suitable medium that includes at least one of storage device 1002 and auxiliary storage device 1003.
  • the communication device 1004 is hardware (transmitting/receiving device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as a network device, network controller, network card, or communication module, for example.
  • the communication device 1004 may be configured to include high-frequency switches, duplexers, filters, frequency synthesizers, etc. to implement at least one of frequency division duplex (FDD) and time division duplex (TDD).
  • FDD frequency division duplex
  • TDD time division duplex
  • the transmitting/receiving antenna, amplifier unit, transmitting/receiving unit, transmission path interface, etc. may be implemented by the communication device 1004.
  • the transmitting/receiving unit may be implemented as a physically or logically separated transmitting unit and receiving unit.
  • the input device 1005 is an input device (e.g., a keyboard, mouse, microphone, switch, button, sensor, etc.) that accepts input from the outside.
  • the output device 1006 is an output device (e.g., a display, speaker, LED lamp, etc.) that outputs to the outside. Note that the input device 1005 and the output device 1006 may be integrated into one device (e.g., a touch panel).
  • each device such as the processor 1001 and the storage device 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 between each device.
  • the base station 10 and the terminal 20 may be configured to include hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), or a field programmable gate array (FPGA), and some or all of the functional blocks may be realized by this hardware.
  • the processor 1001 may be implemented using at least one of these pieces of hardware.
  • FIG. 13 shows an example configuration of vehicle 2001.
  • vehicle 2001 includes a drive unit 2002, a steering unit 2003, an accelerator pedal 2004, a brake pedal 2005, a shift lever 2006, front wheels 2007, rear wheels 2008, an axle 2009, an electronic control unit 2010, various sensors 2021-2029, an information service unit 2012, and a communication module 2013.
  • a communication device mounted on vehicle 2001 and may be applied to communication module 2013, for example.
  • the drive unit 2002 is composed of, 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 called a handle) and is configured to steer at least one of the front wheels and rear wheels based on the operation of the steering wheel operated by the user.
  • the electronic control unit 2010 is composed of a microprocessor 2031, memory (ROM, RAM) 2032, and a communication port (IO port) 2033. Signals are input to the electronic control unit 2010 from various sensors 2021 to 2029 provided on the vehicle 2001.
  • the electronic control unit 2010 may also be called an ECU (Electronic Control Unit).
  • Signals from the various sensors 2021-2029 include a current signal from a current sensor 2021 that senses the motor current, a front and rear wheel rotation speed signal obtained by a rotation speed sensor 2022, a front and rear wheel air pressure signal obtained by an air pressure sensor 2023, a vehicle speed signal obtained by a vehicle speed sensor 2024, an acceleration signal obtained by an acceleration sensor 2025, an accelerator pedal depression amount signal obtained by an accelerator pedal sensor 2029, a brake pedal depression amount signal obtained by a brake pedal sensor 2026, a shift lever operation signal obtained by a shift lever sensor 2027, and a detection signal for detecting obstacles, vehicles, pedestrians, etc. obtained by an object detection sensor 2028.
  • the information service unit 2012 is composed of various devices, such as a car navigation system, audio system, speakers, television, and radio, that provide various types of information such as driving information, traffic information, and entertainment information, as well as one or more ECUs that control these devices.
  • the information service unit 2012 uses information obtained from external devices via the communication module 2013, etc., to provide various types of multimedia information and multimedia services to the occupants of the vehicle 2001.
  • the driving assistance system unit 2030 is composed of various devices that provide functions to prevent accidents and reduce the driver's driving burden, such as 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, as well as one or more ECUs that control these devices.
  • the driving assistance system unit 2030 also transmits and receives various information via the communication module 2013 to realize driving assistance functions or autonomous driving functions.
  • the communication module 2013 can communicate with the microprocessor 2031 and components of the vehicle 2001 via the communication port.
  • the communication module 2013 transmits and receives data via the communication port 2033 between the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, front wheels 2007, rear wheels 2008, axle 2009, microprocessor 2031 and memory (ROM, RAM) 2032 in the electronic control unit 2010, and sensors 2021-29, all of which are provided on the vehicle 2001.
  • 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, it sends and receives various information to and from external devices via wireless communication.
  • the communication module 2013 may be located either inside or outside the electronic control unit 2010.
  • the external device may be, for example, a base station, a mobile station, etc.
  • the communication module 2013 transmits current signals from the current sensors input to the electronic control unit 2010 to external devices via wireless communication.
  • the communication module 2013 also transmits to external devices via wireless communication the following signals input to the electronic control unit 2010: front and rear wheel rotation speed signals acquired by rotation speed sensor 2022, front and rear wheel air pressure signals acquired by air pressure sensor 2023, vehicle speed signals acquired by vehicle speed sensor 2024, acceleration signals acquired by acceleration sensor 2025, accelerator pedal depression amount signals acquired by accelerator pedal sensor 2029, brake pedal depression amount signals acquired by brake pedal sensor 2026, shift lever operation signals acquired by shift lever sensor 2027, and detection signals for detecting obstacles, vehicles, pedestrians, etc. acquired by object detection sensor 2028.
  • the communication module 2013 receives various information (traffic information, traffic signal information, vehicle distance information, etc.) transmitted from external devices and displays it on the information service unit 2012 provided in the vehicle 2001.
  • the communication module 2013 also stores the various information received from external devices in memory 2032 that can be used by the microprocessor 2031. Based on the information stored in memory 2032, the microprocessor 2031 may control the drive unit 2002, steering unit 2003, accelerator pedal 2004, brake pedal 2005, shift lever 2006, front wheels 2007, rear wheels 2008, axles 2009, sensors 2021-2029, etc. provided in the vehicle 2001.
  • a network node having a receiving unit that receives information related to a remaining battery level from a terminal, a control unit that decides whether or not to perform wireless power feeding to the terminal based on the remaining battery level, and a transmitting unit that, when it is decided to perform wireless power feeding to the terminal, transmits an instruction to the terminal to move to a wireless power feeding spot.
  • the above configuration enables optimal power supply according to the status of the device and the status of the power supply spot. Usability is improved as users can receive power according to the system's information without having to worry about the remaining battery level.
  • the system makes autonomous decisions and supplies power, reducing the amount of manpower required. In other words, wireless power supply can be easily implemented.
  • the receiving unit may receive contract information for the terminal from another network node, and the control unit may decide whether to wirelessly supply power to the terminal based on the contract information and the remaining battery level.
  • This configuration enables optimal power supply according to the status of the terminal and the status of the power supply spot. Usability is improved as users can simply receive power according to system information without having to worry about the remaining battery level.
  • the system makes autonomous decisions and supplies power, which reduces manpower.
  • the control unit may decide whether to wirelessly power the terminal based on the power consumed by the terminal while it moves from its current location to the wireless power supply spot. This configuration enables optimal power supply according to the status of the terminal and the status of the power supply spot. Usability is improved as the user does not need to worry about the remaining battery level, as they can simply receive power according to the system information. In the case of autonomously moving objects such as drones, the system makes autonomous decisions and supplies power, which reduces manpower.
  • the control unit may determine a wireless power supply spot from among multiple candidate wireless power supply spots based on the current location of the terminal. This configuration enables optimal power supply according to the status of the terminal and the status of the power supply spot. Usability is improved as the user can simply receive power according to system information without having to worry about the remaining battery level. In the case of autonomously moving objects such as drones, the system makes autonomous decisions and supplies power, which reduces manpower.
  • the control unit may determine a wireless power supply spot from among multiple candidate wireless power supply spots based on the power consumed by the terminal while moving to the wireless power supply spot. This configuration enables optimal power supply according to the status of the terminal and the status of the power supply spot. Usability is improved as the user can simply receive power according to system information without having to worry about the remaining battery level. In the case of autonomously moving objects such as drones, the system makes autonomous decisions and supplies power, which reduces manpower.
  • a control method in which a network node executes the following steps: receiving information related to the remaining battery capacity from a terminal; determining whether or not to wirelessly power the terminal based on the remaining battery capacity; and, if it is determined that wireless power should be supplied to the terminal, transmitting an instruction to the terminal to move to a wireless power supply spot.
  • the above configuration enables optimal power supply according to the status of the device and the status of the power supply spot. Usability is improved as users can receive power according to the system's information without having to worry about the remaining battery level.
  • the system makes autonomous decisions and supplies power, reducing the amount of manpower required. In other words, wireless power supply can be easily implemented.
  • the operations of multiple functional units may be performed by a single physical component, or the operations of a single functional unit may be performed by multiple physical components.
  • the order of processing steps described in the embodiments may be reversed as long as there is no contradiction.
  • the network node 30 and the terminal 20 have been described using functional block diagrams, but such devices may be realized by hardware, software, or a combination thereof.
  • the software operated by the processor of the network node 30 in accordance with an embodiment of the present invention and the software operated by the processor of the terminal 20 in accordance with an embodiment of the present invention may each be stored in any suitable storage medium, such as random access memory (RAM), flash memory, read-only memory (ROM), EPROM, EEPROM, registers, hard disk (HDD), removable disk, CD-ROM, database, server, or the like.
  • RAM random access memory
  • ROM read-only memory
  • EPROM EPROM
  • EEPROM electrically erasable programmable read-only memory
  • registers such as hard disk (HDD), removable disk, CD-ROM, database, server, or the like.
  • the notification of information is not limited to the aspects/embodiments described in the present disclosure, and may be performed using other methods.
  • the notification of information may be performed by physical layer signaling (e.g., DCI (Downlink Control Information), UCI (Uplink Control Information)), higher layer signaling (e.g., RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling), broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination of these.
  • RRC signaling may be referred to as an RRC message, and may be, for example, an RRC Connection Setup message, an RRC Connection Reconfiguration message, etc.
  • Each aspect/embodiment described in this disclosure may be applied to at least one of systems utilizing LTE (Long Term Evolution), LTE-Advanced (LTE-A), SUPER 3G, IMT-Advanced, 4G (4th generation mobile communication system), 5G (5th generation mobile communication system), FRA (Future Radio Access), NR (New Radio), W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, UWB (Ultra-WideBand), Bluetooth (registered trademark), or other suitable systems, and next generation systems enhanced based on these. Additionally, multiple systems may be combined (for example, a combination of at least one of LTE and LTE-A with 5G).
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • SUPER 3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • 6G 6th generation mobile communication system
  • xG xG (x is, for example, an integer or decimal number)
  • FRA Full Radio Access Network
  • the present invention may be applied to at least one of systems using IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20 (Ultra-Wideband), Bluetooth (registered trademark), CDMA2000, NR (new Radio Access), NR (new Radio), New radio access (NX), Future generation radio access (FX), W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi (registere
  • network node 30 may in some cases be performed by its upper node.
  • various operations performed for communication with terminal 20 may be performed by at least one of network node 30 and another network node other than network node 30 (such as, but not limited to, an MME or S-GW). While the above example illustrates a case where there is one other network node other than network node 30, the other network node may also be a combination of multiple other network nodes (for example, an MME and an S-GW).
  • the information, signals, etc. described in this disclosure may be output from a higher layer (or lower layer) to a lower layer (or higher layer). They may also be input/output via multiple network nodes.
  • Input and output information may be stored in a specific location (for example, memory) or may be managed using a management table. Input and output information may be overwritten, updated, or added to. Output information may be deleted. Input information may be sent to another device.
  • the determination may be made based on a value represented by one bit (0 or 1), a Boolean value (true or false), or a numerical comparison (e.g., comparison with a predetermined value).
  • Software shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, threads of execution, procedures, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.
  • software, instructions, information, etc. may be transmitted and received via a transmission medium.
  • a transmission medium such as coaxial cable, fiber optic cable, twisted pair, or Digital Subscriber Line (DSL)
  • wired technology such as coaxial cable, fiber optic cable, twisted pair, or Digital Subscriber Line (DSL)
  • wireless technology such as infrared or microwave
  • the information, signals, etc. described in this disclosure may be represented using any of a variety of different technologies.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description may be represented by voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any combination thereof.
  • a channel and a symbol may be a signal (signaling).
  • a signal may be a message.
  • a component carrier CC may be called a carrier frequency, a cell, a frequency carrier, etc.
  • system and “network” are used interchangeably.
  • radio resources may be indicated by an index.
  • the names used for the parameters described above are not intended to be limiting in any way. Furthermore, the mathematical formulas using these parameters may differ from those explicitly disclosed in this disclosure.
  • the various channels (e.g., PUCCH, PDCCH, etc.) and information elements may be identified by any suitable names, and therefore the various names assigned to these various channels and information elements are not intended to be limiting in any way.
  • Base station BS
  • radio base station base station
  • base station device fixed station
  • NodeB nodeB
  • eNodeB eNodeB
  • gNodeB gNodeB
  • base stations may also be referred to by terms such as macrocell, small cell, femtocell, and picocell.
  • a base station can accommodate one or more (e.g., three) cells.
  • a base station accommodates multiple cells, the entire coverage area of the base station can be divided into multiple smaller areas, and each smaller area can also be provided with communication services by a base station subsystem (e.g., a small indoor base station (RRH: Remote Radio Head)).
  • RRH Remote Radio Head
  • the terms "cell” or “sector” refer to part or all of the coverage area of at least one of the base station and base station subsystem that provides communication services within this coverage area.
  • MS Mobile Station
  • UE User Equipment
  • a mobile station may also be referred to by those 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 terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable terminology.
  • At least one of the base station and the mobile station may be called a transmitting device, a receiving device, a communication device, etc.
  • At least one of the base station and the mobile station may be a device mounted on a moving object, or the moving object itself.
  • the moving object may be a vehicle (e.g., a car, an airplane, etc.), an unmanned moving object (e.g., a drone, an autonomous vehicle, etc.), or a robot (manned or unmanned).
  • At least one of the base station and the mobile station may also include devices that do not necessarily move during communication operations.
  • at least one of the base station and the mobile station may be an IoT (Internet of Things) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be read as a user terminal.
  • the aspects/embodiments of the present disclosure may be applied to a configuration in which communication between a base station and a user terminal is replaced with communication between multiple terminals 20 (which may be called, for example, D2D (Device-to-Device) or V2X (Vehicle-to-Everything)).
  • the terminal 20 may be configured to have the functions of the network node 30 described above.
  • terms such as "uplink” and “downlink” may be read as terms corresponding to terminal-to-terminal communication (for example, "side”).
  • terms such as uplink channel and downlink channel may be read as side channel.
  • the user terminal in this disclosure may be interpreted as a base station.
  • the base station may be configured to have the functions possessed by the user terminal described above.
  • determining may encompass a wide variety of actions.
  • Determining and “determining” may include, for example, judging, calculating, computing, processing, deriving, investigating, looking up, searching, inquiring (e.g., searching a table, database, or other data structure), and ascertaining something that is considered to be a “determination.”
  • Determining and “determining” may also include receiving (e.g., receiving information), transmitting (e.g., sending information), input, output, accessing (e.g., accessing data in memory), and so on.
  • judgment and “decision” can include regarding actions such as resolving, selecting, choosing, establishing, and comparing as having been “judgment” or “decision.” In other words, “judgment” and “decision” can include regarding some action as having been “judgment” or “decision.” Furthermore, “judgment (decision)” can be interpreted as “assuming,” “expecting,” “considering,” etc.
  • connection refers to any direct or indirect connection or coupling between two or more elements, and may include the presence of one or more intermediate elements between two elements that are “connected” or “coupled” to each other.
  • the coupling or connection between elements may be physical, logical, or a combination thereof.
  • “connected” may be read as "access.”
  • two elements may be considered to be “connected” or “coupled” to each other using at least one of one or more wires, cables, and printed electrical connections, as well as electromagnetic energy having wavelengths in the radio frequency range, microwave range, and optical (both visible and invisible) range, as some non-limiting and non-exhaustive examples.
  • the reference signal may also be abbreviated as RS (Reference Signal) or may be called a pilot depending on the applicable standard.
  • the phrase “based on” does not mean “based only on,” unless expressly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • a and B are different may mean “A and B are different from each other.” Note that this term may also mean “A and B are each different from C.” Terms such as “separate” and “combined” may also be interpreted in the same way as “different.”
  • notification of specified information is not limited to being done explicitly, but may also be done implicitly (e.g., not notifying the specified information).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Ce nœud de réseau comprend : une unité de réception qui reçoit, en provenance d'un terminal, des informations concernant la charge restante dans une batterie ; une unité de commande qui, sur la base de la charge de batterie restante, détermine si de l'énergie doit être fournie sans fil au terminal ; et une unité de transmission qui, lorsqu'il a été déterminé que de l'énergie doit être fournie sans fil au terminal, transmet une instruction au terminal pour se déplacer vers le point d'alimentation électrique sans fil.
PCT/JP2024/027442 2024-07-31 2024-07-31 Nœud de réseau et procédé de commande Pending WO2026028362A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2024/027442 WO2026028362A1 (fr) 2024-07-31 2024-07-31 Nœud de réseau et procédé de commande

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2024/027442 WO2026028362A1 (fr) 2024-07-31 2024-07-31 Nœud de réseau et procédé de commande

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018081336A (ja) * 2016-11-14 2018-05-24 株式会社Ihi 物資管理システム
WO2020100229A1 (fr) * 2018-11-14 2020-05-22 三菱電機株式会社 Dispositif de gestion de groupe pour ascenseurs
JP2024053750A (ja) * 2022-10-04 2024-04-16 トヨタホーム株式会社 充電場所提案システム、充電場所提案方法及びプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018081336A (ja) * 2016-11-14 2018-05-24 株式会社Ihi 物資管理システム
WO2020100229A1 (fr) * 2018-11-14 2020-05-22 三菱電機株式会社 Dispositif de gestion de groupe pour ascenseurs
JP2024053750A (ja) * 2022-10-04 2024-04-16 トヨタホーム株式会社 充電場所提案システム、充電場所提案方法及びプログラム

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