WO2019026986A1 - Dispositif station de base, système de communication sans fil, et procédé de communication - Google Patents

Dispositif station de base, système de communication sans fil, et procédé de communication Download PDF

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Publication number
WO2019026986A1
WO2019026986A1 PCT/JP2018/028976 JP2018028976W WO2019026986A1 WO 2019026986 A1 WO2019026986 A1 WO 2019026986A1 JP 2018028976 W JP2018028976 W JP 2018028976W WO 2019026986 A1 WO2019026986 A1 WO 2019026986A1
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Prior art keywords
unit
communication
base station
wireless communication
terminal
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PCT/JP2018/028976
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English (en)
Japanese (ja)
Inventor
深田　雅一
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株式会社デンソー
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Publication of WO2019026986A1 publication Critical patent/WO2019026986A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present disclosure relates to a base station apparatus, a communication system, and a communication method, and more particularly, to an autonomously movable base station apparatus, a communication system, and a communication method.
  • a plurality of devices are directly connected by wireless communication (ad hoc, ad hoc) and communicated (hereinafter referred to as “ad hoc communication”) without passing through an access point or the like, and between these nodes
  • ad hoc communication wireless communication
  • ad hoc network or mesh network that performs data routing (path setting) (hereinafter, simply referred to as “mesh”).
  • VANET car ad hoc network
  • Patent Document 1 As a conventional ad hoc network for automobiles, it is a method of establishing a transmission path in which necessary computational capacity is suppressed as much as possible, and establishing a transmission path without performing communication with a wireless base station. Discloses a communication device capable of
  • the communication device mounted on the data request vehicle of Patent Document 1 specifies a target zone and transmits a data request message to an adjacent vehicle.
  • Data Request A communication device mounted on a vehicle adjacent to the vehicle further forwards the data request message upon receiving it.
  • the data response message is created in the communication device mounted on each vehicle. The data response message is then transferred to the data request vehicle in the same manner as the data request message.
  • a car ad hoc network as described in Patent Document 1 fails as a node when the engine of the car serving as the node is stopped and the power of the car is turned off. For this reason, the stability of communication was low.
  • the present disclosure aims to provide a base station apparatus, a communication system, and a communication method.
  • a base station apparatus comprises a unit.
  • the said unit is an ad hoc with another base station apparatus by the secondary battery of the capacity more than a specific capacity, the power conversion part which converts the electric power supplied from the said secondary battery, and the electric power converted by the said power conversion part.
  • the communication unit includes a communication unit that performs communication, a drive unit for autonomously moving the base station apparatus based on the power converted by the power conversion unit, and a housing.
  • the secondary battery, the power conversion unit, the communication unit, and the drive unit are integrally housed in a housing.
  • the secondary battery having a capacity equal to or more than the specific capacity, the power conversion unit, the communication unit, and the drive unit for autonomously moving the own apparatus are accommodated in a housing.
  • the above unit it is possible to provide a base station apparatus capable of realizing an ad hoc network with high stability.
  • a communication system includes a plurality of base station devices and a terminal that communicates via the base station device.
  • Each of the plurality of base station apparatuses includes a unit.
  • the unit includes the terminal and the plurality of bases based on a secondary battery having a capacity equal to or greater than a specific capacity, a power conversion unit that converts power supplied from the secondary battery, and power converted by the power conversion unit.
  • the secondary battery, the power conversion unit, the communication unit, and the drive unit are integrally housed in a housing.
  • the terminal includes a communication unit that communicates with at least one of the plurality of base station apparatuses within a predetermined range.
  • the secondary battery having a capacity equal to or greater than the specific capacity, the power conversion unit, the communication unit, and the drive unit for autonomously moving the own device are accommodated in the housing.
  • the unit can provide a base station apparatus capable of realizing an ad hoc network with high stability.
  • a communication method implemented by a communication system including a plurality of base station devices and a terminal communicating via the base station device, wherein each of the plurality of base station devices is Includes a secondary battery having a capacity equal to or greater than a specific capacity, and a power conversion unit that converts power supplied from the secondary battery, and each base station apparatus and the terminal are converted by the power converted by the power conversion unit. And performing ad hoc communication with any of the plurality of base station apparatuses, autonomously moving each base station apparatus by the power converted by the power conversion unit, the terminal, and a predetermined range. Communicating with at least one of the plurality of base station devices.
  • an integrated secondary battery in which the secondary battery having a capacity equal to or greater than the specific capacity, the power conversion unit, the communication unit, and the drive unit for autonomously moving the device are accommodated in the housing
  • the unit can provide a base station apparatus capable of realizing an ad hoc network with high stability.
  • FIG. 1 is a system configuration diagram of a communication system according to an embodiment of the present disclosure, It is the (a) front view and the (b) top view which show the outline external appearance structure of the electric vehicle shown in FIG. Fig. 3 is a schematic cross-sectional view of the unit shown in Fig. 2; 3 is a block diagram showing control configuration and functional configuration of a unit shown in FIG. 2 and a terminal shown in FIG. 5 is a flowchart of autonomous mobile base station processing according to an embodiment of the present disclosure; FIG. 6 is a conceptual view of autonomous mobile base station processing shown in FIG. 5; It is a conceptual diagram of an autonomous mobile base station process shown in FIG.
  • the communication system X includes, for example, a plurality of electric vehicles 1, a terminal 2, and a fixed base station 3.
  • the electric vehicle 1 constructs a mesh as indicated by an alternate long and short dash line, and mediates, for example, wireless connection from various terminals 2 to the fixed base station 3. For this reason, in the communication system X, mesh communication can be stabilized by autonomously moving a large number of traveling electric vehicles 1 so as to form a group.
  • the electric vehicle 1 can be used as a base station device for autonomously movable wireless communication that can replace the fixed base station 3.
  • the communication system X can provide a high-speed, robust communication network at low cost, and can realize a society resistant to disasters.
  • the electric vehicle 1 includes, for example, a large-capacity secondary battery 11 (FIG. 3), and is autonomous mobility that can autonomously move by automatic driving.
  • the electric vehicle 1 is equipped with the unit 10 (FIG. 2, FIG. 3) which is a base station apparatus (mobile base station) mentioned later in this embodiment.
  • the base station apparatus can function as a small base station such as a so-called microcell, picocell, femtocell or the like of a cellular phone network, a dedicated communication network, or a WAN such as the Internet.
  • the terminal 2 is a smartphone (Smart Phone), a mobile phone, a PDA (Personal Data Assistant), a PC (Personal Computer), a car navigation terminal, a drive recorder, an HMD (Head Mount Display) mounted terminal, a glasses type terminal, an arm mounted terminal, Various IoTs including various wearable terminals such as ear-mounted terminals and pendant-type terminals, stationary voice assistant terminals, robot-type terminals, home appliances, button-order-type terminals, network surveillance cameras, traffic lights, signs and telemetry terminals (Internet of Things) devices, such as various mobility devices including cars.
  • the terminal 2 may be installed and fixed in a building or the like. In this case, it is also possible to use, as the terminal 2, a fixed wireless router installed in a general household or a building of a company, or a network device such as an access point or a hub.
  • the terminal 2 can also be installed and executed such as application software (Application Software, hereinafter, simply referred to as “application”) capable of calling the electric vehicle 1.
  • application software Application Software, hereinafter, simply referred to as “application”
  • an operation panel or the like may be connected to the electric vehicle 1 or a unit 10 (FIGS. 2 and 3) mounted on the electric vehicle 1 and used as the terminal 2.
  • a unit 10 described later installed in a building or the like in the same manner as the terminal 2.
  • the fixed base station 3 is a gateway of a wide area network (WAN) including a fixed base station such as a mobile phone network.
  • the fixed base station 3 may be connectable to, for example, a dedicated line such as a core network for realizing a mobile phone network or the Internet.
  • the electric vehicle 1 may include, for example, a slide door on the side of a vehicle body 40, a seat inside, and can carry seated or standing personnel.
  • the personnel may be a user of the electric vehicle 1, a pilot (driver), a service person, a cargo delivery manager, or the like.
  • the electric vehicle 1 may be capable of functioning as an automatic taxi that, for example, patrols dense residential areas, etc., calls from a terminal 2 such as a smartphone and moves it to an arbitrary place.
  • the electric vehicle 1 is controlled by movement control of the control unit 100 (FIG. 4) mounted on the control board 13 (FIG. 3) of the built-in unit 10 or by movement control information of an external movement control server or the like. It is possible to move autonomously.
  • the electric vehicle 1 can also move autonomously to a road, a charging station, or the like provided with overhead wires, an electromagnetic induction coil, and the like for charging. For this reason, the electric vehicle 1 may not be equipped with a mechanism such as a steering wheel, an accelerator, or a brake for the driver to steer, or may be detachable for maintenance or the like.
  • the electric vehicle 1 may be capable of automatically transporting the cargo stored in the cargo compartment 50 and using it for home delivery and the like. In this case, the user may receive the package for home delivery or make a receipt notification via the terminal 2. In addition, the structure which equips the electric vehicle 1 with a robot arm etc. for such delivery is also possible.
  • the electric vehicle 1 functions as a mobile base station by the unit 10 which is a base station apparatus provided with a communication function capable of a plurality of types of wireless communication, as will be described in detail later.
  • the electric vehicle 1 of the present embodiment includes the unit 10, the transmitting and receiving unit 20, the non-contact power feeding unit 30 and the like described above.
  • the unit 10 is configured, for example, to further include a communication function in an apparatus in which the secondary battery 11 and the drive unit 14 described in Patent Document 2 are integrally configured.
  • the electric vehicle 1 according to this embodiment includes two units 10 to transport, for example, up to a dozen or so personnel, or several tons of cargo. It may be possible. That is, by mounting two units 10 in the electric vehicle 1 of this embodiment, for example, it is possible to obtain sufficient power performance for urban traveling as unmanned mobility capable of carrying many people and carrying cargo. There is.
  • the unit 10 implements the function of the base station apparatus of the present embodiment, and has a communication function capable of communicating with another base station apparatus with a plurality of wireless communication apparatuses. Details of this communication function will be described later.
  • the number of units 10 per electric vehicle 1 may be variable according to the mass to be transported and the purpose of transportation. For example, by mounting one unit 10, it is possible to obtain sufficient power performance in a light vehicle class vehicle having a weight of less than about 1 ton. Further, if two units 10 are mounted, ordinary passenger cars, small trucks, etc. can be driven sufficiently. If three to six units 10 are mounted, a large passenger car, a van, a micro bus, a sightseeing bus, a medium to heavy truck, etc. can be sufficiently driven.
  • the unit 10 may be easily removable. In this case, it is also possible to replace the useful life of the unit 10 for each used unit 10, for example, in units of 5 to 10 years.
  • the transmitting / receiving unit 20 includes, for example, an antenna for a mobile phone, an antenna capable of beam forming, an infrared or laser transceiver, LIDAR (Light Detection and Ranging, Laser Imaging Detection and Ranging), millimeter wave radar (Extremely High Frequency Radar) , An antenna for performing V2X (Vehicle to X, Vehicle to Everything) communication, an antenna of GNSS (Global Navigation Satellite System, Global Positioning System, hereinafter, simply referred to as "GPS" or the like), or the like.
  • the transmitting and receiving unit 20 may be an antenna provided with greater directivity in the front-rear direction of the vehicle. This is because it is easy to communicate with other vehicles on the road.
  • wireless refers to communication devices that do not directly connect cables, such as visible light communication and infrared light communication by LEDs and lasers such as headlights and tail lamps, and in-vehicle cameras, besides RF (Radio Frequency). Including.
  • the non-contact power supply unit 30 includes a resonant circuit including an electromagnetic induction coil for charging, a capacitor for resonance, and the like.
  • the non-contact power feeding unit 30 can charge the secondary battery 11 (FIG. 3) in the unit 10.
  • the unit 10 includes a secondary battery 11, a power conversion unit 12, a control board 13, a drive unit 14, and a housing 15.
  • FIG. 3A shows a unit 10-1 which is a configuration example of the unit 10 including the single secondary battery 11. Further, FIG. 3 (b) shows a unit 10-2 which is a configuration example of the unit 10 in which a plurality of the secondary batteries 11a and the secondary batteries 11b make it redundant.
  • the secondary battery 11 has a capacity equal to or greater than a specific capacity which is a large capacity as compared with a general engine-driven automobile, a hybrid vehicle or the like.
  • the secondary battery 11 may be, for example, a lithium ion battery, a sodium sulfur battery, a silicon sulfur battery, a metal-air battery such as lithium, aluminum, magnesium, zinc or the like.
  • the lithium ion battery may be a lithium ion battery of a flame retardant solvent, an all solid lithium ion battery or the like.
  • a plurality of cells C are connected in series or in parallel, and the DC voltage of the output battery is adjusted.
  • the DC voltage may be a safe voltage less than 60 volts, for example 42 volts or 48 volts.
  • the specific capacity of the secondary battery 11 is preferably at least 12 kWh or more.
  • the specific capacity may be 12 kWh or more by a set of secondary batteries.
  • a plurality of secondary batteries 11 may be made redundant, and the total specific capacity may be 12 kWh.
  • a configuration in which redundancy is achieved by three or more types of secondary batteries is also possible.
  • the secondary battery 11 has a capacity of 12 kWh or more, it is possible to make the function as a base station compatible while performing practical autonomous movement with the electric vehicle 1.
  • a car with a battery capacity of less than 12 kWh in total may, for example, fall into excessive discharge if the base station function is constantly executed, and it may not reach the charging facility etc. by autonomous movement. Unfavorable.
  • the secondary battery is made redundant in two or more types as in the unit 10-2, it is possible to prevent a situation in which a failure occurs in the battery part of only one set and the whole becomes inoperable.
  • each redundant battery may be replaceable.
  • the secondary battery 11a and the secondary battery 11b may be separately replaceable.
  • the secondary battery 11 When a metal-air battery, for example, is used as the secondary battery 11, it is used in a primary battery configuration such that the cell is taken out after discharging from the housing 15 and replaced with a charged (refined) cell. May be In addition, this replacement may be configured to be detached and replaced in units of 10 units including the secondary battery 11. Also, the removed metal oxide after discharge may be regenerated by refining.
  • the power converter 12 converts the power supplied from the secondary battery 11.
  • the power conversion unit 12 may be configured by a multiphase multiplex inverter or the like that can perform step-up / down and DC / AC conversion when charging / discharging the secondary battery 11. Further, the power conversion unit 12 can also output the DC power when the secondary battery 11 is discharged to the other units without boosting and lowering the pressure.
  • the power conversion unit 12 may be operation controlled by the control board 13.
  • the power conversion unit 12 and the secondary battery 11 may be provided with heat pipes, heat lanes, and other liquid flow paths, and may be capable of transferring heat.
  • the control board 13 controls each unit of the unit 10 to perform communication for operating the unit 10 as a base station apparatus. For this reason, the control board 13 is provided with each circuit of the communication part 200 (FIG. 4), the control part 100, etc. so that it may mention later. The control configuration and functional configuration of each part of the control board 13 will be described later.
  • control board 13 may be provided with a fan, a pump for moving the refrigerant, and the like. Thereby, the heat of the secondary battery 11, the power conversion unit 12, the control board 13 and the like may be dissipated to the outside through the housing 15.
  • control board 13 may include one or more antennas for the communication unit 200 described later.
  • the antenna may be a planar antenna, a rod antenna or the like.
  • control board 13 may be connectable to the transmission / reception unit 20 and the non-contact power feeding unit 30 via the terminal portion of the housing 15 and the connected conductive wire.
  • the control board 13 may be configured not to be a single board but to be connected with a plurality of boards, members and the like by various conductive wires (cords, cables) including flexible cables, flat cables and the like.
  • the "conductive wire” also includes a cord, a cable and the like that perform optical transmission such as an optical fiber.
  • the driving unit 14 is a three-phase alternating current motor, an alternating current motor using a permanent magnet, a direct current motor, or the like.
  • a three-phase AC motor with a maximum output of about 10 to 15 kW (maximum torque of about 50 to 75 Nm) may be used as the drive unit 14.
  • the drive part 14 may be equipped with two or more motors so that a different drive may be performed by the wheel on either side.
  • two units 10 may be mounted, and the front and rear wheels may be separately driven by the drive unit 14. This makes it possible to easily change the steering, the speed, and the traveling direction.
  • the drive part 14 of this embodiment may also be able to be used as a generator.
  • the drive unit 14 can act as a regenerative brake of the electric vehicle 1. That is, it is possible to charge the secondary battery 11 through the power conversion unit 12 by the electric power generated by driving the drive unit 14 by regeneration and generating the electric power.
  • the drive accommodating portion 10 b including the drive portion 14 is configured to be removable. Therefore, a configuration in which the drive unit 14 does not exist in the unit 10 is also possible. In such a configuration, the unit 10 can be installed in a home, a small-scale facility, or the like to function as a storage device for renewable energy such as solar power generation or wind power generation.
  • the unit 10 is installed in a building with the drive unit 14 and can be used as a small turbine or a generator such as small-scale hydroelectric power generation or binary power generation.
  • the drive unit 14 may include a generator having a configuration more suitable for power generation, an accompanying mechanism, and the like.
  • the housing 15 is a case or a housing of metal such as aluminum, iron, stainless steel, or magnesium, various resins, fiber reinforced plastic, carbon or the like.
  • the housing 15 stores the secondary battery 11, the power conversion unit 12, the control board 13, and the drive unit 14 inside.
  • the housing 15 may be capable of transmitting radio waves when the internal communication unit 200 (FIG. 4) is provided with an antenna.
  • the casing 15 may be provided with a radiator, fins or the like to facilitate heat conduction.
  • the housing 15 may be configured such that the drive accommodating portion 10b that accommodates the driving portion 14 is detachable. In this case, it may be connected to the battery storage unit 10 a in which the secondary battery 11, the power conversion unit 12, and the control substrate 13 are stored via the terminal and the conductive wire.
  • the battery storage unit 10 a in which the secondary battery 11, the power conversion unit 12, and the control substrate 13 are stored via the terminal and the conductive wire.
  • the control board 13, the secondary battery 11, and the drive unit 14 are connected via the power conversion unit 12.
  • the power conversion unit 12 may be connected to the non-contact power supply unit 30.
  • the control board 13 includes a control unit 100, a communication unit 200, a sensor group 300, and a storage unit 400.
  • the control unit 100 is an information processing apparatus including an MPU (Micro Processing Unit, microcontroller), a CPU (Central Processing Unit, central processing unit), other ASICs (Application Specific Processor, application specific processor), and the like. Further, the control unit 100 is a graphics processing unit (GPU), a vector computing unit, a TPU (Tensor Processing Unit), and a DSP that can execute AI (Artificial Intelligence) processing such as artificial neural network at high speed for image processing of an on-vehicle camera. (Digital Signal Processor) may be provided.
  • MPU Micro Processing Unit, microcontroller
  • CPU Central Processing Unit, central processing unit
  • ASICs Application Specific Processor, application specific processor
  • GPU graphics processing unit
  • TPU Torsor Processing Unit
  • DSP Digital Signal Processor
  • the control unit 100 reads out the control program stored in the auxiliary storage unit of the storage unit 400, expands the control program in the main storage unit, and executes the program to operate as each functional block (functional unit) described later. It is done.
  • the control unit 100 may control the entire electric vehicle 1 in conjunction with the ECU of the electric vehicle 1 and the other units 10.
  • the storage unit 400 is a non-transitory tangible storage media.
  • the storage unit 400 is a main storage unit such as a random access memory (RAM), a read only memory (ROM), a solid state disk (SSD), an auxiliary storage unit such as a magnetic recording medium, and an external unit such as a flash memory card or an optical recording medium.
  • a storage unit may be included.
  • the auxiliary storage unit of the storage unit 400 stores a control program for performing operation control of the unit 10, the electric vehicle 1, and the like.
  • the control program may include an OS (Operating System), firmware, and the like.
  • the storage unit 400 also stores various other data.
  • the sensor group 300 includes various sensors that measure and detect the environment around the own device.
  • the sensor group 300 may include, for example, a gyro, a three-dimensional acceleration sensor (hereinafter simply referred to as “acceleration sensor”), an altitude sensor, an air pressure sensor, a humidity sensor, a magnetic sensor, and the like.
  • control board 13 for example, signals from various sensors (hereinafter referred to as “external sensors”) provided inside and outside the electric vehicle 1 other than the unit 10 are acquired through the terminals of the housing 15, It is also possible to use the same as the signal from the sensor group 300.
  • Information on the condition inside the vehicle including the passenger, the condition of the cargo in the cargo compartment 50, the external weather, air pollutants, and other surrounding conditions can also be obtained as sensor information using such external sensor signals. It may be
  • the communication unit 200 performs ad hoc communication with any one of the terminal 2 and the plurality of base station apparatuses using the power converted by the power conversion unit 12. Therefore, the communication unit 200 is, for example, a circuit for wireless communication that can be connected to the terminal 2, the fixed base station 3, another vehicle, another unit 10, and the like.
  • the communication unit 200 may include circuits of various logic layers and physical layers.
  • the communication unit 200 also includes a plurality of types of wireless communication units.
  • the short distance wireless communication unit 210 and the long distance wireless communication unit 220 are included as the plurality of types of communication units 200.
  • the short distance wireless communication unit 210 is a wireless communication circuit that can communicate in a short distance mainly between the terminal 2 and / or the electric vehicle 1.
  • the short-range wireless communication unit 210 performs radio wave communication capable of high-speed and / or short-distance communication such as WiFi, 2.4 GHz band 5 GHz, 60 GHz, millimeter wave radar 77 GHz, terahertz wave, etc. . That is, for example, the short distance wireless communication unit 210 may mainly perform short wave wireless communication.
  • the communication band of this short wave system is relatively free, it is difficult to reach only a short distance, linearly, and the communicable distance is short.
  • the short distance wireless communication unit 210 may be able to communicate over a relatively short distance of, for example, several hundred meters to several kilometers.
  • the short distance wireless communication unit 210 may also perform visible light communication, infrared communication, or the like that can communicate in a straight line or short distance.
  • the short distance wireless communication unit 210 can dynamically change the communication target by performing ad hoc communication.
  • the short distance wireless communication unit 210 relays packets from the terminal 2, the fixed base station 3, and / or other vehicles.
  • the short-distance wireless communication unit 210 may construct a mesh by performing WiFi direct communication or the like, for example, when connecting to a communication target by WiFi or the like.
  • the short distance wireless communication unit 210 may perform inter-base station communication corresponding to the mesh. Communication between base stations corresponding to this mesh may use a protocol or the like different from that defined in a cellular phone network or the like.
  • the short-distance wireless communication unit 210 may perform unstable wireless communication. Therefore, the short-range wireless communication unit 210 may perform buffering to store the acquired packet as temporary data 410, as described later. Further, the short distance wireless communication unit 210 may transmit the buffered packet in a state in which the connection with the communication target is stable.
  • the short-range wireless communication unit 210 may also be capable of performing radio wave communication for low-speed wireless communication for various IoT devices and the like.
  • the long distance wireless communication unit 220 is a wireless communication circuit capable of communicating over a longer distance than the short distance wireless communication unit 210 between the own device and the electric vehicle 1 and the fixed station device.
  • the long distance wireless communication unit 220 is, for example, a so-called “platinum band", a mobile phone network (mobile phone such as 3G, 4G (LTE), 5G, data communication network, WiMAX (registered trademark), etc. at 700Mz to 900MHz.
  • Communication network (hereinafter referred to simply as "mobile telephone network”) performs communication in a frequency band. That is, the long distance wireless communication unit 220 mainly performs long wave wireless communication, for example. Although long bandwidths such as platinum bands are often congested, they can be communicated over long distances. Specifically, for example, the long distance wireless communication unit 220 may be able to communicate at a distance of several kilometers to several tens of kilometers.
  • the long distance wireless communication unit 220 may perform inter-base station communication corresponding to the regulations of each mobile phone carrier in accordance with the regulations of the mobile phone network.
  • the long distance wireless communication unit 220 can also mediate packets from the terminal 2, another device, and / or another vehicle by a protocol other than inter-base station communication.
  • protocols other than this inter-base station communication protocols such as the above-mentioned mesh communication or inter-base station communication corresponding to the mesh may be used.
  • the long distance wireless communication unit 220 may also perform radio wave communication dedicated to automobiles, such as 700 MHz.
  • the long distance wireless communication unit 220 can maintain the communication state with the fixed station apparatus up to the specific range. Therefore, the long distance wireless communication unit 220 can perform stable wireless communication.
  • Communication unit 200 transmits / receives communication by short distance wireless communication unit 210 and communication by long distance wireless communication unit 220 at transmitting / receiving unit 20 using a technology such as frequency band time division multiplex communication. It is also good.
  • the communication unit 200 may separately transmit and receive these communications using separate antennas.
  • the communication unit 200 may perform wired communication with the communication unit 200 of another unit 10 in the vehicle via a terminal and a conductive wire using a vehicle-mounted network or the like.
  • control unit 100 includes a distribution unit 110, a route construction unit 120, and a movement control unit 130.
  • the communication unit 200 also includes a short distance wireless communication unit 210 and a long distance wireless communication unit 220.
  • the storage unit 400 stores temporary data 410, map data 420, and charging data 430.
  • the distribution unit 110 distributes to any one of a plurality of types of wireless communication units in accordance with the purpose of communication.
  • the distribution unit 110 estimates the purpose based on, for example, the added value, urgency, and importance of information to be communicated, and either the short-range wireless communication unit 210 or the long-distance wireless communication unit 220. Distribute.
  • the distribution unit 110 can preferentially distribute to the long distance wireless communication unit 220 for important communications that require real-time capability.
  • the distribution unit 110 can distribute to the short distance wireless communication unit 210 for communication that does not require real-time performance, communication for comfort system, and the like.
  • the purpose of the communication that the distribution unit 110 distributes to the short distance wireless communication unit 210 is that buffering can allow a slight delay, and even relatively unstable communication.
  • Such communication includes, as specific examples, communication of various status information of the electric vehicle 1, telemetry communication, communication for web ordering by pressing a button, communication by various assistant services, non-real time communication of various IoT devices, terminal 2 Communication of the call of the electric vehicle 1 by communication, communication for reading WWW (World Wide Web) page, transmission and reception of electronic mail by POP / SMTP etc., transmission and reception of messages by various SNS (Social Network Service) and messenger, SMS (Short Message) Service), push-type information distribution, transmission and reception of files by FTP (File Transfer Protocol), image data of still and moving images that can be buffered, upload and download to various cloud storages, and the like.
  • SNS Social Network Service
  • SMS Short Message
  • the distribution unit 110 may distribute the short-distance wireless communication unit 210 also for the communication which may be unstable in the above-mentioned comfort system as the purpose of communication.
  • such communication may be streaming transmission / reception of moving images, transmission / reception of battle data of a game, file transfer by PtP (Peer to Peer), or the like.
  • the distribution unit 110 may also distribute the short-distance wireless communication unit 210 for the communication of the automobile network such as the V2X communication. Further, the distribution unit 110 may also distribute the communication of the information of the various sensors of the sensor group 300, the information of the on-vehicle camera, etc. to the short distance wireless communication unit 210. The distribution unit 110 also distributes to the short-range wireless communication unit 210 the communication of image data for monitoring when the terminal 2 is a network surveillance camera, information on monitoring status of road conditions by traffic lights and signs, etc. May be
  • the image data of the on-vehicle camera of each electric vehicle 1 and the image data of the network surveillance camera, etc. captured at different points in different directions and different times are shared. It becomes possible to use it also for the usage method which shares crime prevention information like "360 degree camera".
  • the communication may require stable connection and real time performance, and may require stable wireless communication.
  • the communication requiring the stable wireless communication may be, for example, communication of real-time movement control information of the electric vehicle 1, real-time communication by VoIP (Voice over IP) call, or the like.
  • the distribution unit 110 may determine the purpose of the communication for performing distribution as described above, for example, from the type of protocol of various communication, the port number, the target IP address, and the like. In addition, the distribution unit 110 may determine the purpose of communication using information contained in a packet such as TTL of an IP packet, fragmentation, and a header of an encapsulated IP packet. In addition, the distribution unit 110 may set different SSIDs and the like in units of the terminal 2 and the unit 10, and determine the purpose of communication based on which SSID or the like is connected. In this case, even if the control unit 100 of the terminal 2 determines by which SSID etc. to connect, the type of application software (hereinafter, referred to as “application software”, hereinafter “application” will be omitted), etc. Good.
  • application software hereinafter “application” will be omitted
  • the distribution unit 110 estimates the purpose of communication by communication with the fixed base station 3 involved in control of communication such as channel assignment in a wireless section, and control of routing such as a handover control function, etc. It may be determined to assign to any of the wireless communication units of
  • the distribution unit 110 may change the distribution to the plurality of types of wireless communication units according to the information of the sensors of the sensor group 300.
  • the distribution unit 110 may distribute the short distance wireless communication unit 210 to the long distance wireless communication unit 220, for example, when the acceleration of the acceleration sensor and / or the change in acceleration is larger than the specific threshold.
  • the specific threshold value of the acceleration and / or the change of the acceleration is set corresponding to the case where the electric vehicle 1 is in the middle of being subjected to the movement control described later, or the situation of the surrounding traffic is not stable. It is also good.
  • the distribution unit 110 may distribute the short distance wireless communication unit 210 to the long distance wireless communication unit 220 based on, for example, information of an altitude sensor or an air pressure sensor.
  • the distributing unit 110 may perform such distribution, for example, when the altitude with the surrounding other cars is different even in the vicinity of the surrounding other cars and communication is difficult.
  • the sorting unit 110 may sort the information from the long distance wireless communication unit 220 to the short distance wireless communication unit 210 based on, for example, information of an altitude sensor or an air pressure sensor.
  • the distribution unit 110 may perform such distribution, for example, when the own vehicle is at a higher position than the surrounding other vehicles, and the communication by the short distance wireless communication unit 210 can be easily made.
  • the distribution unit 110 distributes the long distance wireless communication unit 220 to the short distance wireless communication unit 210 or the short distance wireless communication unit 210 to the long distance wireless communication unit 220 according to the status of the external sensor. It is also good.
  • distribution section 110 is short distance wireless communication even in the case of the above relatively important communication. It may be distributed to the communication unit 210.
  • Such a situation can be realized by grouping the plurality of electric vehicles 1 by the movement control of the autonomous movement by the movement control unit 130 described below and the route construction by the route construction unit 120. May be
  • the distribution unit 110 has difficulty in communication with the short-distance wireless communication unit 210 or if the communication is not stable because there are few electric vehicles 1 around, the long-distance wireless communication unit 220 It may be distributed.
  • the distribution unit 110 can also perform communication settlement and billing.
  • the distribution unit 110 may perform authentication with the terminal 2 in this settlement and billing. In addition, the distribution unit 110 may calculate, for example, the charge for data to the terminal 2 by measuring the number of packets, the amount of data, and the like using communication for each of the terminals 2.
  • the distribution unit 110 may calculate, from the amount of communication in the communication unit 200, the usage fee for a mobile phone company or the like for using the unit 10 as a base station apparatus.
  • an ID Identity
  • these usage fees may include the amount paid by the user of the terminal 2 and the amount paid or paid to the mobile phone company or the like.
  • a plurality of owners may be set for each unit 10, and the usage fee may be calculated for each owner. Further, the fee for use of communication in the unit 10 may be invested based on the number of units 10 and the like, and settlement may be performed using a block chain. In this case, the usage fee related to the virtual communication amount of each owner may be calculated from the total amount of communication via the unit 10 by a method of calculating the communication amount using virtual currency.
  • the path construction unit 120 constructs a path for ad hoc communication corresponding to the purpose of communication. Specifically, for both the short distance wireless communication unit 210 and the long distance wireless communication unit 220, the route establishing unit 120 performs routing to dynamically construct a communication route to form a mesh. It is possible.
  • the route construction unit 120 may calculate an optimal route based on the GPS information of the other terminals 2 and units 10, for the route of the short distance wireless communication unit 210 and the like. Further, the route construction unit 120 can also share information of the calculated route as the routing information among the unit 10 of another vehicle, the electric vehicle 1, the base station apparatus, and the terminal 2.
  • the movement control unit 130 controls the movement of the unit 10 in accordance with the population density and / or the communication usage rate.
  • the movement control unit 130 may perform movement control such as selecting and moving the movement destination of the own vehicle in cooperation with other units 10 in the own vehicle, the ECU of the own vehicle, and the like. Specifically, for example, when the electric vehicle 1 which is the own vehicle is unmanned mobility, the movement control unit 130 can construct a mesh in consideration of the call destination by the user and the destination by the movement. Move your car. At this time, the movement control unit 130 moves the vehicle to such a position that the mesh can be easily formed. In addition, the movement control unit 130 may automatically control the inter-vehicle distance and the like so that the distance between the host vehicle and the other vehicle becomes appropriate at the time of movement.
  • the movement control unit 130 may move the vehicle such that the mesh density is high at a location where the communication utilization rate is high, as in the case of the population density.
  • the movement control unit 130 can calculate the delivery route in consideration of the density of the mesh, and control to move the vehicle.
  • Temporary data 410 includes data of a buffer buffered by communication unit 200 and the like.
  • the data of this buffer may be, for example, data of a packet distributed to the short distance wireless communication unit 210 or the like.
  • the temporary data 410 may be image data, audio data, PtP data, or the like of a specific length or capacity.
  • Map data 420 is data of an electronic map.
  • the electric vehicle 1 may be autonomously movable based on the map data 420 and information such as GPS.
  • the charging data 430 is data for communication settlement and charging.
  • the charging data 430 may include, for example, the ID and password of the owner of the own unit 10, a hash function, a public key, and the like.
  • the billing data 430 may be used to calculate the authentication with the terminal 2 and the usage fee.
  • the billing data 430 may also include data such as a "wallet" for the blockchain virtual currency.
  • the terminal 2 also includes a communication unit 201.
  • the communication unit 201 performs wireless communication corresponding to various communication schemes of the short distance wireless communication unit 210 and the long distance wireless communication unit 220 of the unit 10. Therefore, the communication unit 201 is connectable to the mesh configured by the unit 10 and the fixed base station 3.
  • the control unit 100 of the terminal 2 executes a dedicated connection application and connects to either the short distance wireless communication unit 210 or the long distance wireless communication unit 220 of the unit 10 of the electric vehicle 1 for the purpose of communication. Or may be selectable.
  • the communication unit 201 of the terminal 2 may not perform inter-base station communication.
  • the terminal 2 may include an input unit such as a touch panel, a pointing device such as a mouse, a button, a keyboard, an acceleration sensor, a gaze sensor, and a biometric authentication sensor.
  • the terminal 2 may include a display unit such as a liquid crystal display (LCD), an organic EL display, or a light emitting diode (LED).
  • a display unit such as a liquid crystal display (LCD), an organic EL display, or a light emitting diode (LED).
  • the electric vehicle 1, the terminal 2, and the fixed base station 3 may include other components in addition to the above-described units, and the units may include a plurality of control units.
  • any one of the parts and any combination may be integrally configured. Further, each of the control unit 100 and the storage unit 400 may be integrally formed.
  • control unit 100 of the unit 10 executes a control program on an OS (Operating System) stored in the storage unit 400, whereby the control unit 100, the distribution unit 110, the path construction unit 120, and the movement control unit It is made to function as 130 mag.
  • OS Operating System
  • each unit of the above-mentioned unit 10 and the terminal 2 becomes a hardware resource which performs the method of this indication.
  • control unit 100 may be configured as hardware by one or more ICs, DSPs, programmable logic circuits, and the like.
  • control unit 100 may be configured as hardware by one or more ICs, DSPs, programmable logic circuits, and the like.
  • the unit 10 mounted on the electric vehicle 1 mainly receives from the terminal 2 by the power converted by the power conversion unit 12, and the unit 10 of the other vehicle is And functions as a mobile base station that relays to the fixed base station 3. At this time, the unit 10 performs ad hoc communication with the terminal 2 and a plurality of base station apparatuses. In addition, the electric vehicle 1 is autonomously moved by the power converted by the power conversion unit 12.
  • control unit 100 of the unit 10 mainly executes the program stored in the storage unit 400 in cooperation with each unit using hardware resources.
  • Step S101 First, the distribution unit 110 performs sensor information acquisition processing.
  • the distribution unit 110 acquires information of each sensor from the sensor group 300.
  • the distribution unit 110 receives information such as GPS from the transmitting and receiving unit 20 of the own vehicle, collates the information with the map data 420, and calculates the position of the own vehicle. Then, the distribution unit 110 measures and detects the environment around the own device from the information of each sensor and the position of the own vehicle.
  • the distribution unit 110 may calculate the relationship among the position, speed, acceleration, and the like of the terminal 2, another vehicle, another unit 10, and the fixed base station 3, and may use this at the time of distribution described later. (Step S102) Next, the distribution unit 110 performs communication establishment processing.
  • the communication unit 200 of the unit 10 which is the own apparatus, communicates with the communicable terminal 2 and the units 10 of other vehicles and the fixed base station 3.
  • the communication unit 200 of the transmission source which is the terminal 2 capable of communication, the unit 10 of another vehicle, or the fixed base station 3 and the communication unit 200 of the unit 10 of the own vehicle are connected to start communication.
  • the control unit 100 of the terminal 2 may execute a dedicated connection application and add the connection purpose of the connected application to the encapsulated packet.
  • the distribution unit 110 may perform authentication or the like with the terminal 2 when establishing a connection.
  • the communication unit 200 of the unit 10 of the own vehicle does not communicate with the communication unit 200 of the transmission source whose altitude and the like do not match even in the vicinity due to the information of each sensor.
  • each electric vehicle 1 traveling on the road R on the map and moving or stopping is communicated by the long distance wireless communication unit 220 and / or the short distance wireless communication unit 210, It shows that the mesh can be formed.
  • the communicable states of the short distance wireless communication unit 210 and the long distance wireless communication unit 220 are indicated by an alternate long and short dashed line, and the states in which the long distance wireless communication unit 220 can communicate are indicated by a dotted line.
  • the terminal 2, the unit 10 of each electric vehicle 1, and the fixed base station 3 function as a communication node.
  • the distribution unit 110 performs communication reception processing.
  • the distribution unit 110 communicates by radio connection with a communicable terminal 2, a unit 10 of another vehicle, or a transmission source that is the fixed base station 3 by the communication unit 200 of the own unit 10.
  • This connection may be the short distance wireless communication unit 210 or the long distance wireless communication unit 220.
  • the communication unit 200 of the unit 10 receives data of wireless communication from the communication unit 200 of the transmission source, for example, in units of packets.
  • the communication unit 200 may store the received data as temporary data 410 in the storage unit 400.
  • the distribution unit 110 determines whether the long distance wireless communication unit 220 should communicate.
  • the distribution unit 110 determines, for example, whether or not to transfer the received data to the unit 10 of the other vehicle or the fixed base station 3 via the long distance wireless communication unit 220. More specifically, the distribution unit 110 estimates the purpose of communication from the received data. In addition, in the case of communication requiring stable wireless communication as the purpose of communication, the distribution unit 110 determines “Yes” in order to distribute to the long distance wireless communication unit 220. In addition, in the case of communication that may be unstable as the purpose of communication, the distribution unit 110 determines “No” to distribute to the short distance wireless communication unit 210.
  • the distribution unit 110 may change the distribution. Judge, Yes. Further, for example, even when there is no unit 10 of another vehicle connectable by the short distance wireless communication unit 210 in the first place, the distribution unit 110 may determine Yes, for example.
  • the distribution unit 110 proceeds with the process to step S105.
  • the distribution unit 110 proceeds with the process to step S107.
  • Step S105 When communication is to be performed by the long distance wireless communication unit 220, the route establishing unit 120 performs long distance route establishment processing.
  • the path construction unit 120 constructs a path for ad hoc communication for communication in the long distance wireless communication section 220.
  • the route constructing unit 120 fixes the route constructing unit 120 of the unit 10 of another vehicle and fixes it.
  • the routing is determined in conjunction with the base station 3.
  • the route establishing unit 120 constructs a route U1 of communication by the long distance wireless communication unit 220 such as a thick line. Packets can be transmitted from the communication unit 201 of the terminal 2 to the fixed base station 3 through this path U1.
  • the route construction unit 120 may perform routing such as selecting the long distance wireless communication unit 220 of the unit 10 of the other vehicle to be delivered instead of creating the route U1 of FIG. 6B at one time. Further, the route construction unit 120 may construct a route of the shortest distance by using the Dijkstra method or the like based on the distance based on the time or the ease of connection between the nodes as a score. (Step S106) Next, the distribution unit 110 performs long distance system distribution processing.
  • the distribution unit 110 distributes packets from the transmission source to the long-distance wireless communication unit 220 of the terminal 2 in the vicinity or the unit 10 of another vehicle or the fixed base station 3 as the transmission destination, corresponding to the constructed route. Send.
  • Step S107 when communication is to be performed by the short distance wireless communication unit 210, the route construction unit 120 performs short distance system route construction processing.
  • the route establishing unit 120 constructs a route for ad hoc communication for communication by the short distance wireless communication unit 210.
  • the route construction unit 120 A communication route U2 by such a short distance wireless communication unit 210 is constructed. Through this path U2, packets can be transmitted from the communication unit 201 of the terminal 2 to the fixed base station 3 while buffering is performed by the short-distance wireless communication unit 210 of the unit 10 of each electric vehicle 1. (Step S108) Next, the distribution unit 110 performs short distance system distribution processing.
  • the distribution unit 110 mainly distributes packets from the transmission source to the short-distance wireless communication unit 210 of the unit 10 of the nearby other vehicle as a transmission destination, corresponding to the constructed route.
  • the sorting unit 110 distributes to the long distance wireless communication unit 220 or a route
  • the construction unit 120 may reconstruct a route for communication in the short distance wireless communication unit 210.
  • the distribution unit 110 can be connected as it is stored in the temporary data 410 You may wait until In this case, when the storage capacity of the temporary data 410 is larger than the specific capacity, or the time after storing, the number of routings of packets, and the like become more than the specific amount, the distribution unit 110 performs long distance wireless communication It may be distributed to the part 220. (Step S109) Here, the distribution unit 110 performs payment processing.
  • the distribution unit 110 After transmitting the packet to the transmission destination, the distribution unit 110 refers to the charging data 430 and calculates the usage fee and the like of the terminal 2 and the mobile telephone network by communication. The usage fee and the like may be shared among the units 10 in a block chain. In addition, the distribution unit 110 may set the settlement result of the virtual currency or the like of this block chain in the wallet of the charging data 430 or the like. (Step S110) Next, the movement control unit 130 performs movement control processing.
  • the movement control unit 130 controls the movement of the vehicle according to the population density and / or the communication usage rate.
  • the movement control unit 130 cooperates with other vehicles.
  • the movement control is performed so that the electric vehicles 1 are gathered at a position where the density of population is high and the mesh can be easily constructed.
  • the position at which the electric vehicles 1 are gathered may be set by the frequency of use by the user, the use rate of communication, or the like.
  • the range of this mesh may be, for example, a range of 1 to 10 km in radius. That is, for example, the range in which the respective electric vehicles 1 are gathered in a range of a radius of 1 to 10 km may be in a state in which the respective electric vehicles 1 can easily construct a mesh by a cluster.
  • the electric vehicle 1 is equipped with the unit 10 operable as a base station device of a small base station. Further, since each unit 10 incorporates a large capacity secondary battery 11, it functions as an uninterruptible base station device. For this reason, a mesh is automatically constructed
  • the unit 10 has a function of power generation, storage, communication, physical distribution, and movement, and autonomously configures a mesh by a mobile unit incorporating a large capacity battery.
  • the unit 10 may be distributed to the 800 MHz band of “platinum band” of the mobile phone network and the 2.4 GHz band of Wi-Fi or the like.
  • the electric vehicle 1 equipped with the unit 10 as described above can be used for unmanned mobility, transportation of cargo, and the like.
  • each unit 10 may be managed by a block chain. As a result, the ownership of the unit 10 can be shared, and the burden of maintaining the communication system X and the like can be facilitated.
  • the communication system X includes a plurality of units 10 that are base station apparatuses and the terminal 2 that communicates via the units 10. Further, each of the plurality of units 10 includes a secondary battery 11 having a capacity equal to or greater than a specific capacity, a power conversion unit 12 that converts power supplied from the secondary battery 11, and power converted by the power conversion unit 12 In order to move the electric vehicle 1 including the unit 10 which is its own device autonomously by the communication unit 200 performing ad hoc communication with the terminal 2 and any one of the plurality of units 10 and the power converted by the power conversion unit 12 And an integral unit 10 in which the drive unit 14 is accommodated in the housing 15.
  • the terminal 2 also includes a communication unit 201 capable of communicating with any of the plurality of units 10 nearby.
  • the unit 10 mass-produced and mounted on the electric vehicle 1 or the like as a base station apparatus, the cost of installing a large number of dedicated fixed base stations 3 can be reduced. As a result, it is possible to provide a fast and robust wireless communication network inexpensively.
  • the conventional fixed base station 3 needs to have an expensive antenna and a large uninterruptible power supply facility, the installation location is limited, and it is difficult to perform necessary and sufficient load distribution. For this reason, the fixed base station 3 has become a bottleneck such as a communication band and stability in long-distance wireless communication such as in a conventional cellular phone network.
  • the number of IoT devices wirelessly connected is on the rise, and the wireless fixed base station 3 has become a communication bottleneck.
  • the base station apparatus is characterized in that the specific capacity is 12 kWh or more in total and a plurality of redundancy may be provided.
  • the specific capacity may be, for example, two 6 kWh ⁇ 2 systems or the like.
  • the communication system X can eliminate a communication bottleneck or the like due to an increase in IoT devices by increasing the number of base station devices not fixed.
  • the communication unit 200 includes the short distance wireless communication unit 210 and the long distance wireless communication unit 220 which are a plurality of types of wireless communication units.
  • a distribution unit 110 which distributes to either the short distance wireless communication unit 210 or the long distance wireless communication unit 220.
  • the unit 10 it becomes possible to perform automatic redistribution of the communication frequency band according to the importance of communication and the like. Thereby, it is possible to distribute the communication in which the stability is important to the long distance wireless communication unit 220 such as a platinum band to the communication in which the stability is not so important to the short distance wireless communication unit 210 such as the WiFi. As a result, even if there are a large number of base station apparatuses, it is possible to prevent compression of the long wave system band where band shortage is conventionally pointed out.
  • the 700 MHz band allocated to the conventional wireless communication for vehicles can be released to contribute to efficient redistribution of the wireless communication frequency band.
  • radio resources can be bundled and rearranged with the same effect as "in order to put water, gas and water in a joint ditch".
  • the base station apparatus is characterized by further including a path construction unit 120 which constructs an ad hoc communication path corresponding to the purpose of communication.
  • the base station apparatus is characterized by further including a movement control unit 130 that controls movement of the own apparatus according to the population density and / or the communication usage rate.
  • the base station apparatus further includes a sensor group 300 that measures the environment around the own apparatus, and the sorting unit 110 performs long distance wireless communication based on the information of the sensors included in the sensor group 300. It is characterized in that the distribution to one of the communication unit 220 and the short distance wireless communication unit 210 is changed.
  • control board 13 of the unit 10 may have a WWW or other server function.
  • control board 13 of the unit 10 may have a fog function for performing an intermediate process for performing the process of the server on the cloud.
  • the unit 10 can be used as an information processing apparatus capable of performing distributed processing, not just a base station apparatus.
  • IoT devices For example, in recent years, the number of IoT devices deployed has increased. Such IoT devices are increasingly connected by wireless communication in addition to those connected by wire to optical fiber networks and the like. By processing such a large number of data transactions for IoT devices in the unit 10, the load on the server on the cloud can be eliminated.
  • control board 13 of the unit 10 can easily perform other distributed processing as the information processing apparatus as described above.
  • distributed processing for example, statistical processing with various sensor information, image analysis by AI, character and voice recognition, map making processing, data distribution of PtP, big data analysis processing, various backup processing, scientific and technological calculations etc. It is also possible.
  • the condition of traffic including pedestrians and vehicles etc., the condition of roads, the condition of pollution such as noises and air pollutants, buildings, construction, street trees etc. in each electric vehicle 1 The surrounding conditions of the above, inundation due to heavy rain, and the like may be counted on the map data 420 by image recognition, shared among the units 10, and made accessible.
  • each unit 10 may excavate "coins" by executing settlement processing of virtual currency.
  • two units 10 were mounted in the electric vehicle 1, and it described about the example which each cooperates and functions as a base station apparatus.
  • only one unit 10 per electric vehicle 1 may be configured to function as a base station apparatus.
  • another unit which is not the base station apparatus may be connected to the unit of the base station apparatus in a wired or wireless manner to perform the above-described calculation and the like.
  • the processing load of the base station apparatus can be dispersed for each unit 10, and the processing of the fog function and the server function can be further enhanced.
  • the communication unit 200 includes the short distance wireless communication unit 210 and the long distance wireless communication unit 220, and the example in which the communication unit 200 is divided into these has been described.
  • the communication unit 200 may include other types of wireless communication units as a plurality of types of wireless communication units.
  • the plurality of types of wireless communication units may be, for example, communication using electromagnetic induction for charging or contact charging, satellite communication, voice communication using driving noise, tire vibrations, and the like.
  • the distribution unit 110 may distribute the wireless communication of the terminal 2 of the passenger in the car and the external wireless communication.
  • the features of the communication system X have been described focusing on the main configuration.
  • the combination of the configurations of the functional units in the embodiment is arbitrary. That is, any configuration, any combination of configurations, or a configuration provided with all functional units may be used. Moreover, you may further provide the function part which is not described in the above-mentioned embodiment.
  • the configuration of the communication system X can be realized flexibly.
  • each section is expressed as S101, for example.
  • each section can be divided into multiple subsections, while multiple sections can be combined into one section.
  • each section configured in this way can be referred to as a device, a module, or a means.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Computer Security & Cryptography (AREA)
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Abstract

L'invention concerne un dispositif station de base comprenant une unité (10). L'unité comprend une cellule secondaire (11) dont la capacité est supérieure ou égale à une capacité spécifique, une partie de conversion d'énergie électrique (12) pour convertir l'énergie électrique fournie par la cellule secondaire (11), une partie de communication (200) pour exécuter une communication ad-hoc avec d'autres dispositifs station de base à l'aide de la puissance électrique convertie par la partie de conversion d'énergie électrique (12), une partie d'entraînement (14) pour entraîner de manière autonome le dispositif station de base hôte à l'aide de la puissance électrique convertie par la partie de conversion d'énergie électrique (12), et un boîtier (15). La cellule secondaire, la partie de conversion d'énergie électrique, la partie de communication, et la partie d'entraînement sont logées intégralement dans le boîtier.
PCT/JP2018/028976 2017-08-04 2018-08-02 Dispositif station de base, système de communication sans fil, et procédé de communication WO2019026986A1 (fr)

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