WO2020059387A1 - Système et dispositif de communication sans fil - Google Patents

Système et dispositif de communication sans fil Download PDF

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Publication number
WO2020059387A1
WO2020059387A1 PCT/JP2019/032452 JP2019032452W WO2020059387A1 WO 2020059387 A1 WO2020059387 A1 WO 2020059387A1 JP 2019032452 W JP2019032452 W JP 2019032452W WO 2020059387 A1 WO2020059387 A1 WO 2020059387A1
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WO
WIPO (PCT)
Prior art keywords
wireless communication
communication device
communication system
signal
control signal
Prior art date
Application number
PCT/JP2019/032452
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English (en)
Japanese (ja)
Inventor
尚哉 奥脇
Original Assignee
株式会社日立国際電気
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 株式会社日立国際電気 filed Critical 株式会社日立国際電気
Priority to JP2020548157A priority Critical patent/JP7108700B2/ja
Publication of WO2020059387A1 publication Critical patent/WO2020059387A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • 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
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present disclosure relates to a wireless communication system and a wireless communication device.
  • a base station that operates by switching between a first system and a second system having different signal formats, and a wireless terminal that operates by switching between the first system and the second system, And the base station transmits communication information designating the first system and the second system, and the wireless terminal switches a system that operates based on the communication information (Japanese Patent Application Laid-Open No. 2016-2016). No. 76875).
  • Sending out wireless communication signals is usually licensed under the control of the state.
  • a wireless communication device having a plurality of wireless communication systems can transmit a wireless communication signal by switching a wireless communication system by a user operation depending on a place where use is permitted, a time limit, or the like.
  • the wireless communication device described above has a risk of transmitting a wireless communication signal by an unauthorized wireless method regardless of malicious or bad intentions by a user's operation.
  • An object of the present invention is to provide a technology capable of controlling a wireless communication system of a wireless communication device to be managed by wireless communication regardless of a user operation.
  • the wireless communication system includes a first wireless communication device and a second wireless communication device.
  • the first wireless communication device has a function of performing wireless communication using a plurality of wireless communication methods and a function of receiving a wireless communication signal of any of the plurality of wireless communication methods.
  • the first wireless communication device receives a control signal from the second wireless communication device, wireless communication according to a wireless communication method specified by the control signal among the plurality of wireless communication methods is permitted.
  • FIG. 1 is a diagram illustrating a configuration example of a wireless communication system according to an embodiment.
  • FIG. 6 is a diagram illustrating a wireless communication device according to a comparative example.
  • FIG. 4 is a diagram illustrating an example of a control method of the wireless communication system according to the embodiment.
  • FIG. 6 is a diagram illustrating another example of the control method of the wireless communication system according to the embodiment.
  • FIG. 9 is a diagram illustrating another configuration example of the wireless communication system according to the embodiment.
  • FIG. 11 is a diagram illustrating still another configuration example of the wireless communication system according to the embodiment.
  • FIG. 2 is a diagram illustrating a configuration example of a wireless communication device according to a comparative example.
  • the wireless communication device 201 is a wireless communication unit of two or more wireless communication systems (hereinafter, simply referred to as a wireless communication system), for example, three wireless communication units 202-1, 202-2, and 202-3 in the example of FIG. This is a wireless communication device capable of performing wireless communication by switching the method.
  • the wireless communication system to be used is selected by the switch 203, and a wireless communication signal is transmitted from an antenna 204 such as an antenna.
  • the wireless communication systems 202-1, 202-2, 202-3 and the switching device 203 are shown as conceptual diagrams in FIG. 2, and can be implemented by either hardware or software.
  • the user of the wireless communication device 201 has switched the wireless communication system by operating the switch 203, and in order to wirelessly communicate with another wireless communication device, the same wireless communication system as the other wireless communication device is used. Otherwise, communication is not possible. Therefore, it is necessary to operate the wireless communication device 201 so as to use the same wireless communication method as that of another wireless communication device that intends to perform wireless communication. However, it is usually invisible to the user which wireless communication system is used to transmit wireless information by another wireless communication device with which communication is to be performed. Therefore, there is a problem that the wireless communication system of the wireless communication device 201 to be used must be confirmed in advance by a communication unit other than the wireless communication device 201 to be used.
  • a wireless communication apparatus 201 having a plurality of wireless communication schemes, wherein a wireless communication scheme can be switched by a user's operation and a wireless communication signal can be transmitted according to a place where use is permitted or a time limit.
  • the wireless communication device 201 may transmit a wireless communication signal by an unauthorized wireless method regardless of malicious or bad intentions by a user's operation. For example, there is a case where an analog wireless system conforming to an old standard has to stop the wave when the expiration date comes. However, there is a possibility that the user may use an analog wireless system that conforms to an old standard without knowing that the expiration date has passed.
  • the wireless communication method is set by the wireless communication under the control of the wireless communication device (first wireless communication device) regardless of the operation of the user.
  • the wireless communication device switches a wireless communication method and can receive a wireless communication signal. Therefore, an instruction is issued by information transmission by wireless communication from another wireless communication device (second wireless communication device) that manages the wireless communication system, and the instruction is received by the wireless communication device. This allows the wireless communication device to set transmission permission or prohibition for each wireless communication method.
  • wireless communication devices not all wireless communication devices (first wireless communication devices) are in a communication area where wireless communication is possible with another wireless communication device that manages a wireless communication method. Further, it is basically impossible to receive a wireless communication signal when the power of the wireless communication device (first wireless communication device) is turned off.
  • the (third wireless communication device) enables the wireless communication device itself to transmit a transmission permission signal.
  • the wireless communication device permitted to transmit the wireless communication method can spread and transmit the communication permission information by the specific wireless method to the plurality of wireless communication devices (first wireless communication devices).
  • the wireless communication device that has obtained the transmission permission from the wireless communication device further spreads the transmission permission signal by sequentially transmitting the transmission permission signal. In this way, there is an advantage of the present invention in that information is securely transmitted without any special operation while the user normally performs wireless communication.
  • FIG. 1 is a diagram illustrating a configuration example of a wireless communication system according to the embodiment.
  • the wireless communication system 100 includes a wireless communication device (first wireless communication device) 101 and a wireless communication device (second wireless communication device) 108.
  • the wireless communication apparatus 101 includes wireless communication units of two or more different wireless communication schemes (hereinafter, simply referred to as wireless communication schemes), for example, 102-1, 102-2, and 102-3.
  • the communication method can be switched.
  • the wireless communication device 101 has an antenna 104 for performing wireless communication, and receives a wireless communication signal (control signal, wireless communication system permission signal) 106 transmitted from an antenna 107 such as an antenna of the wireless communication device 108.
  • the switching device 103 switches to a wireless communication method that matches the wireless communication signal 106 received automatically without user operation.
  • the wireless communication device 101 automatically transmits, for example, a wireless signal of the switched wireless communication system 102-1. Therefore, the user of the wireless communication device 101 can use the wireless communication device 101 without being conscious of the wireless communication method.
  • the wireless communication device 108 is, of course, a wireless communication device that exclusively performs wireless communication based on a wireless system for which a wireless license has been acquired, for example, the wireless communication system 102-1 described above.
  • FIG. 3 is a diagram illustrating an example of a control method of the wireless communication system according to the embodiment.
  • FIG. 4 is a diagram illustrating another example of the control method of the wireless communication system according to the embodiment.
  • the wireless communication apparatus 101 includes wireless communication units of two or more wireless communication schemes (hereinafter, simply referred to as wireless communication schemes), for example, scheme A301, scheme B302, and scheme C303,
  • the communication system has a control state of a transmission enabled state 304 and a reception enabled state 305.
  • the wireless communication schemes in the receivable state 305 are all of scheme A301, scheme B302, and scheme C303, which is a feature of the present invention in that there is no restriction. This is performed in consideration of the fact that the receiver of the wireless communication device 101 does not need a special license in wireless communication.
  • the wireless communication apparatus 101 attempts to change when the wireless communication apparatus 101 moves to a wireless communication area having a different wireless communication scheme or when a wireless communication scheme is changed to a different wireless communication scheme due to expiration of a wireless license expiration date.
  • the wireless communication system can be received. This is also a device for fully enjoying the effects of the present invention.
  • the wireless communication apparatus 101 is controlled to be able to transmit only by the wireless communication scheme shown in scheme A301, so that the user of the wireless communication apparatus 101 does not have a wireless license. It is possible to prevent transmission of a wireless communication signal by a wireless communication method. This is also a feature of the present invention.
  • the wireless communication method before the change for example, the wireless communication according to the method A301 is performed while the wireless communication according to the method A301 is being performed.
  • the wireless communication apparatus 101 is controlled so as to prohibit the transmission of the radio signal by the scheme A301 and the scheme B302 and then permit the transmission of the radio signal by the scheme C303.
  • the wireless communication method of the wireless communication apparatus 101 can be automatically switched in accordance with the expiration of the wireless license period. This is also a feature of the present invention.
  • the wireless communication device 101 in which the wireless communication method is automatically set by wireless communication even in the wireless communication device 101 in which the wireless communication method is automatically set by wireless communication, the power of the wireless communication device 101 itself is not connected or the wireless communication device 101 is out of the service area of the radio wave of the wireless communication. , Transmission permission or prohibition may not be controlled by wireless communication. In addition, even if the wireless communication device 101 is illegally taken out due to theft or the like, it is necessary to minimize the spread of damage.
  • the function of measuring the elapsed time is used in the wireless communication apparatus 101, and even when transmission is permitted, after the elapse of a predetermined time by the measurement of the elapsed time function, The wireless communication apparatus 101 is controlled so that transmission is prohibited.
  • the transmission permission signal is not obtained by the above-described wireless communication in the time elapse 2 (402), the transmission is automatically performed.
  • the wireless communication apparatus 101 is controlled so that the transmission is prohibited.
  • the communication permission of the method A404 is possible. Indicates the basics of the operation of the present invention.
  • the wireless communication transmission permission is continuously obtained even in the time elapse 3 (403), so that the transmission is possible in the time elapse 3 (403) continuously from the time elapse 2 (402).
  • the wireless communication transmission permission is continuously obtained even in the time elapse 3 (403), so that the transmission is possible in the time elapse 3 (403) continuously from the time elapse 2 (402).
  • the wireless communication device 101 for example, by setting a certain time lapse longer than the assumed operation frequency to the period of time lapse, in the case of being stolen and in the case of being outside the range of the wireless communication of the authorized user, After a certain period of time, the wireless communication device 101 cannot transmit a wireless signal, and can prohibit the transmission of wireless communication regardless of the intended use of the authorized user. It goes without saying that wireless communication that does not depend on the intended use of regular users hinders public welfare and is illegal.
  • wireless communication is automatically enabled continuously by the permitted wireless communication method, so that operation of wireless communication is not hindered.
  • FIG. 5 is a diagram showing another configuration example of the wireless communication system according to the embodiment.
  • FIG. 5 is a diagram further illustrating the features of the present invention.
  • the wireless communication system 500 includes a wireless communication device (first wireless communication device) 501, a wireless communication device (second wireless communication device) 508, and a wireless communication device (third wireless communication device) 509.
  • the wireless communication apparatus 501 includes wireless communication units of two or more different wireless communication schemes (hereinafter, simply referred to as wireless communication schemes), for example, 502-1 and 502-2.
  • the wireless communication system can be switched by the switch 503 with the wireless communication system 502-3.
  • the wireless communication device 501 has an antenna 504 such as an antenna for wireless communication and receives a wireless communication signal (control signal, wireless communication system permission signal) 506 transmitted from an antenna 507 of the wireless communication device 508. By doing so, the switching device 503 switches to a wireless communication system that matches the wireless communication signal 506 automatically received without user operation.
  • a wireless communication signal control signal, wireless communication system permission signal
  • the wireless communication device 501 automatically sends out the switched wireless communication method, for example, 502-1 when the operation device 505 is operated by the user. Since the wireless communication device 501 transmits the wireless communication system 502-1, the wireless communication device 501 sends the above-described permission signal of the wireless communication system to the wireless communication device 509.
  • the wireless communication device 509 includes wireless communication systems 510-1, 510-2, and 510-3, and has two or more wireless communication systems in which the wireless communication system can be switched by the switch 511.
  • the wireless communication device 509 receives the wireless communication signal (permission signal of the wireless communication system) 514 transmitted from the antenna 504 of the wireless communication device 501 via the antenna 512 so that the switching device 511 can automatically operate without user operation.
  • the wireless communication method is switched to a wireless communication method that matches the wireless communication signal 514 that is received.
  • the wireless communication device 501 transmits a permission signal of the wireless communication method to transmit the permission signal from the wireless communication device 501 to the wireless communication device 509, and further, the wireless communication device 501 and the wireless communication device 509 communicate with each other. It is possible to transmit the transmission permission information to another wireless communication device. As described above, when the user of the wireless communication apparatus normally uses the communication, the transmission permission information is dynamically and automatically propagated irrespective of the wireless communication apparatus 508 alone. .
  • FIG. 6 is a diagram showing still another configuration example of the wireless communication system according to the embodiment.
  • FIG. 6 is a diagram further illustrating the features of the present invention.
  • the wireless communication system 600 includes a wireless communication device 601, a wireless communication device 608, and a wireless communication device 611.
  • the wireless communication device 601 includes wireless communication units (hereinafter simply referred to as wireless communication systems) of two or more different wireless communication systems, for example, 602-1, 602-2, and 602-3. Can be switched.
  • the wireless communication device 601 has an antenna 604 for performing wireless communication, and receives a wireless communication signal (control signal, wireless communication system permission signal) 606 transmitted from an antenna 607 such as an antenna of the wireless communication device 608.
  • a wireless communication signal control signal, wireless communication system permission signal
  • the switching device 603 switches to a wireless communication method that matches the wireless communication signal 606 automatically received without user operation.
  • the wireless communication 606 according to the wireless communication method 602-1 is performed, so that the wireless communication according to the wireless communication method 602-1 is performed from the antenna 607 of the wireless communication device 608.
  • 601 is automatically selected and executed.
  • the wireless communication device 601 can communicate with the wireless communication device 611.
  • the wireless communication device 601 automatically receives the wireless communication method 602-3 by receiving the wireless communication 609 transmitted from the antenna 610 of the wireless communication device 611 using the wireless communication method 602-3. To choose.
  • the wireless communication device 601 can receive data in all wireless communication systems 602-1, 602-2, and 602-3 as described with reference to FIG.
  • the wireless communication device 601 can automatically change the wireless communication method without the user's operation even when the user moves to the range where the user can move the wireless communication. This is a feature of the present invention.
  • the wireless communication device 601 normally operated by the wireless communication system (first wireless communication system) 602-1 is replaced with the wireless communication system 602-1.
  • the wireless communication apparatus 601 automatically moves to the wireless communication area of the wireless communication apparatus 611 normally operated by a different wireless communication scheme (second wireless communication scheme) 602-3 for reasons such as support work
  • the wireless communication apparatus 601 automatically performs wireless communication. Can be operated by switching the system. For this reason, there is no need to separately prepare a wireless communication device that conforms to the different wireless communication method 602-3, and the user does not need to pay special attention to the wireless communication device normally operated within the wireless communication range of the wireless communication device 608. It is an advantage of the present invention that the device 601 can be used.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Le but de la présente invention est de fournir une technologie capable de réaliser une commande de telle sorte qu'un système de communication sans fil pour un dispositif de communication sans fil soit géré par une communication sans fil sans intervention d'un utilisateur. Le système de communication sans fil comprend un premier dispositif de communication sans fil et un second dispositif de communication sans fil. Le premier dispositif de communication sans fil a une fonction de réalisation d'une communication sans fil par une pluralité de systèmes de communication sans fil et une fonction de réception de signaux de communication sans fil dans tous les systèmes de communication sans fil de la pluralité de systèmes de communication sans fil. Lorsque le premier dispositif de communication sans fil reçoit un signal de commande provenant du second dispositif de communication sans fil, le premier dispositif de communication sans fil est autorisé à réaliser une communication sans fil par un système de communication sans fil spécifié par le signal de commande parmi la pluralité de systèmes de communication sans fil.
PCT/JP2019/032452 2018-09-19 2019-08-20 Système et dispositif de communication sans fil WO2020059387A1 (fr)

Priority Applications (1)

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JP2020548157A JP7108700B2 (ja) 2018-09-19 2019-08-20 無線通信システム

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JP2018174827 2018-09-19
JP2018-174827 2018-09-19

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WO2020059387A1 true WO2020059387A1 (fr) 2020-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210304528A1 (en) * 2020-03-31 2021-09-30 Mazda Motor Corporation Information communication device for vehicle and method for communicating vehicle information

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013141126A (ja) * 2012-01-04 2013-07-18 Yazaki Energy System Corp 車載データ通信装置および無線通信システム
JP2016158102A (ja) * 2015-02-24 2016-09-01 株式会社リコー 通信装置、通信方法、および通信システム
WO2017026163A1 (fr) * 2015-08-11 2017-02-16 Kddi株式会社 Dispositif station de base, dispositif de communication, procédé de commande, et programme

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014236444A (ja) * 2013-06-04 2014-12-15 株式会社Ｎｔｔドコモ 複数の無線ベアラにアクセスする方法及び装置
JP6457017B2 (ja) * 2017-05-25 2019-01-23 富士通コネクテッドテクノロジーズ株式会社 移動局、及び、通信方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013141126A (ja) * 2012-01-04 2013-07-18 Yazaki Energy System Corp 車載データ通信装置および無線通信システム
JP2016158102A (ja) * 2015-02-24 2016-09-01 株式会社リコー 通信装置、通信方法、および通信システム
WO2017026163A1 (fr) * 2015-08-11 2017-02-16 Kddi株式会社 Dispositif station de base, dispositif de communication, procédé de commande, et programme

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210304528A1 (en) * 2020-03-31 2021-09-30 Mazda Motor Corporation Information communication device for vehicle and method for communicating vehicle information

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JP7108700B2 (ja) 2022-07-28

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