WO2019180844A1 - Système de communication sans fil, dispositif terminal et procédé de connexion sans fil - Google Patents

Système de communication sans fil, dispositif terminal et procédé de connexion sans fil Download PDF

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Publication number
WO2019180844A1
WO2019180844A1 PCT/JP2018/011163 JP2018011163W WO2019180844A1 WO 2019180844 A1 WO2019180844 A1 WO 2019180844A1 JP 2018011163 W JP2018011163 W JP 2018011163W WO 2019180844 A1 WO2019180844 A1 WO 2019180844A1
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WO
WIPO (PCT)
Prior art keywords
terminal
connection
wireless communication
pairing
information
Prior art date
Application number
PCT/JP2018/011163
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English (en)
Japanese (ja)
Inventor
武紫 本多
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2020507190A priority Critical patent/JPWO2019180844A1/ja
Priority to PCT/JP2018/011163 priority patent/WO2019180844A1/fr
Publication of WO2019180844A1 publication Critical patent/WO2019180844A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/08—Interfaces between hierarchically different network devices between user and terminal device

Definitions

  • the present invention relates to a wireless communication system, a terminal device, and a wireless connection method in which terminals perform pairing and perform wireless communication.
  • terminals that perform wireless communication using Bluetooth perform pairing to establish a connection and perform wireless communication.
  • Bluetooth registered trademark
  • the terminals exchange information such as connection information by communication using an NFC (Near Field Communication) tag, and perform pairing using the exchanged information.
  • NFC Near Field Communication
  • the present invention has been made in view of the above, and an object of the present invention is to provide a wireless communication system that can reduce user operations during wireless communication pairing without increasing the circuit scale.
  • a wireless communication system includes a first terminal and a second terminal.
  • the first terminal has identification information that can identify the first terminal, request information that indicates a connection request to the first terminal for the second terminal, and the second terminal
  • An advertisement packet including connection information used for pairing with the first terminal is transmitted.
  • the second terminal receives the advertisement packet, it starts pairing with the first terminal and establishes a connection with the first terminal.
  • the wireless communication system according to the present invention has an effect that it is possible to reduce a user's operation at the time of pairing of wireless communication without increasing the circuit scale.
  • wireless communications system Flow chart showing operation of wireless communication system
  • the block diagram which shows the structural example of a 1st terminal and a 2nd terminal The flowchart which shows the operation
  • wireless communications system to the hot-water supply system The figure which shows the example which applied the radio
  • the block diagram which shows the other structural example of a 1st terminal and a 2nd terminal The figure which shows the example of the hardware constitutions of a 1st terminal
  • FIG. 1 is a diagram showing a configuration example of a radio communication system 4 according to an embodiment of the present invention.
  • the wireless communication system 4 includes a first terminal 1 and second terminals 2a to 2c.
  • the wireless communication system 4 is a system that performs wireless communication using Bluetooth.
  • the first terminal 1 and the second terminals 2a to 2c are terminal devices that perform wireless communication by performing pairing by Bluetooth.
  • the first terminal 1 is a terminal device that operates as a peripheral in Bluetooth.
  • the second terminals 2a to 2c are terminal devices that operate as a central in Bluetooth. In the example of FIG. 1, it is assumed that the second terminals 2a to 2c are within a range in which wireless communication with the first terminal 1 by Bluetooth is possible.
  • each of the second terminals 2a to 2c may be referred to as a second terminal 2.
  • the number of the second terminals 2 is not limited to three and may be one or more.
  • the number of the second terminals 2 is three, and the second terminals 2a to 2c may be referred to as a second terminal group 3.
  • the first terminal 1 is, for example, a remote controller that receives an operation on the air conditioner and controls the air conditioner.
  • the air conditioning system 7 includes an indoor unit 5, an outdoor unit 6, and a wireless communication system 4.
  • the indoor unit 5 and the outdoor unit 6 are collectively used as an air conditioner.
  • the first terminal 1 may be a remote controller of a type installed on a wall surface in a room, or may be a portable remote controller.
  • the second terminal 2 is, for example, a mobile terminal such as a smartphone possessed by the user.
  • the air conditioning system 7 is a system in which the user operates the air conditioner from the second terminal 2 through the first terminal 1.
  • FIG. 2 is a flowchart showing the operation of the wireless communication system 4 according to the present embodiment.
  • the first terminal 1 sends identification information that can identify the first terminal 1 and a connection request to the first terminal 1 for the second terminal 2.
  • An advertisement packet including the request information shown and the connection information used by the second terminal 2 for pairing with the first terminal 1 is transmitted (step S1).
  • the second terminal 2 starts pairing with the first terminal 1 and establishes a connection with the first terminal 1 (step S2).
  • FIG. 3 is a block diagram showing a configuration example of the first terminal 1 and the second terminal 2 according to the present embodiment. First, the configuration and operation of the first terminal 1 will be described.
  • the first terminal 1 includes a first communication unit 11 and a connection management unit 12.
  • the first communication unit 11 is a communication unit that establishes a connection between the first terminal 1 and the second terminal 2 by performing pairing with the second terminal 2.
  • the first communication unit 11 includes an advertising communication unit 111 and a pairing communication unit 112.
  • the advertising communication unit 111 generates an advertising packet including the aforementioned identification information, request information, and connection information, and transmits the generated advertising packet to the second terminal 2.
  • the pairing communication unit 112 establishes connection between the first terminal 1 and the second terminal 2 by performing pairing with the second terminal 2.
  • the connection management unit 12 includes a connection request to the first terminal 1 for the second terminal 2 and connection information in the advertising packet transmitted to the second terminal 2.
  • the connection management unit 12 includes a connection request management unit 121 and a connection information management unit 122.
  • the connection request management unit 121 checks whether or not a predetermined event has occurred in the first terminal 1 in order to start a connection request.
  • the predefined event is, for example, power-on of the first terminal 1 and is a predefined operation by the user on the first terminal 1.
  • the operation specified by the user for the first terminal 1 is, for example, an operation on a button instructing start of pairing (not shown) in the first terminal 1.
  • the connection request management unit 121 instructs the advertising communication unit 111 to generate an advertising packet including a connection request, that is, issues a transmission request for an advertising packet including a connection request.
  • the connection information management unit 122 stores connection information used when the second terminal 2 establishes a connection by pairing with the first terminal 1.
  • the connection information includes information uniquely determined by the manufacturer of the first terminal 1, for example, a PIN (Personal Identification Number) code.
  • the PIN code is used in the second terminal 2 to recognize that the system matches the function of the second terminal 2 if a system similar to the wireless communication system 4 exists.
  • the connection information includes information on a data notification format such as a connection format and an observer format.
  • the connection information includes information on the type of user who is permitted to connect to the first terminal 1.
  • the user who permits the connection with the first terminal 1 is, for example, a user who operates the air conditioning system 7 using the second terminal 2.
  • the first terminal 1 is connected to a plurality of second terminals 2 by pairing, and the first terminal 1 and the second terminal 2 are easy to connect. Is assumed to be connected. Since the plurality of second terminals 2 are easily connected, the first terminal 1 restricts operations that can be accepted from the second terminal 2 and only the operations of the air conditioning system 7 with respect to the second terminal 2. Communicate for the target. For example, the first terminal 1 is different from the terminal handled by a service person who performs failure diagnosis of the air conditioning system 7 by a method different from the present embodiment, specifically, by inputting specific connection information. Connecting.
  • FIG. 4 is a flowchart showing an operation in which the first terminal 1 according to the present embodiment transmits an advertising packet including a connection request.
  • the flowchart shown in FIG. 4 shows details of the operation in step S1 of the flowchart of FIG.
  • the connection request management unit 121 checks whether or not a predetermined event has occurred as an event for starting a connection request (step S11). As previously described, the events defined in advance are, for example, turning on the power of the first terminal 1, and operations specified by the user for the first terminal 1. If the predefined event has not occurred (step S11: No), the connection request management unit 121 continues the confirmation until the predefined event occurs. When a predetermined event occurs (step S11: Yes), the connection request management unit 121 issues an advertisement packet transmission request including a connection request to the advertising communication unit 111 (step S12).
  • the advertising communication unit 111 confirms whether or not the advertisement packet can be transmitted (step S13).
  • the state in which the advertisement packet can be transmitted is a state in which the first terminal 1 is a broadcaster. For example, when the period for transmitting the advertisement packet is set, the first terminal 1 becomes a broadcaster according to the set period and transmits the advertisement packet. If the advertising communication unit 111 is not in a state where an advertising packet can be transmitted (step S13: No), the advertising communication unit 111 waits until the advertising packet can be transmitted.
  • the advertising communication unit 111 When the advertising communication unit 111 is in a state in which an advertisement packet can be transmitted (step S13: Yes), the advertising communication unit 111 acquires connection request information from the connection request management unit 121 of the connection management unit 12, and the connection information management unit of the connection management unit 12 Connection information is acquired from 122 (step S14).
  • the advertising communication unit 111 generates an advertisement packet including identification information that can identify the first terminal 1, request information for the acquired connection request, and the acquired connection information (step S15).
  • the information that can identify the first terminal 1 is, for example, an address that indicates the first terminal 1, and is information that is also used in communication other than the above-described advertisement packet.
  • the advertising communication unit 111 transmits the generated advertising packet to the periphery of the first terminal 1 in accordance with the advertising setting in which the advertising packet transmission period or the like is set (step S16).
  • the second terminal 2 includes a second communication unit 21, an advertisement packet analysis unit 22, and a connection management unit 23.
  • the second communication unit 21 is a communication unit that establishes a connection between the second terminal 2 and the first terminal 1 by performing pairing with the first terminal 1.
  • the second communication unit 21 includes an advertisement scan unit 211 and a pairing communication unit 212.
  • the advertisement scanning unit 211 confirms whether the first terminal 1 that is transmitting the advertisement packet exists in the vicinity of the second terminal 2, in accordance with a preset scan setting, the second terminal Scan around 2.
  • the preset scan settings are, for example, a period in which the advertisement scan unit 211 scans the periphery of the second terminal 2, a period in which scanning is performed in each period, and the like.
  • the pairing communication unit 212 performs pairing with the first terminal 1 to establish a connection between the second terminal 2 and the first terminal 1.
  • the advertisement packet analysis unit 22 outputs a connection request and connection information included in the advertisement packet to the connection management unit 23 when the connection request is included in the advertisement packet.
  • the connection management unit 23 causes the pairing communication unit 212 to perform pairing with the first terminal 1 based on the connection information and the connection request information, and the second terminal 2 and the first A connection with the terminal 1 is established.
  • FIG. 5 is a flowchart showing an operation in which the second terminal 2 according to the present embodiment performs pairing with the first terminal 1.
  • the flowchart shown in FIG. 5 shows details of the operation in step S2 of the flowchart of FIG.
  • the advertisement scanning unit 211 scans advertisement packets around the second terminal 2 in accordance with a preset scan setting (step S21) and waits for reception of the advertisement packet (step S22). ).
  • the advertisement scanning unit 211 scans the advertisement packet (step S21) while not receiving the advertisement packet (step S23: No), and waits for the reception of the advertisement packet (step S22).
  • the advertisement scan unit 211 receives an advertisement packet (step S23: Yes)
  • the advertisement scan unit 211 notifies the advertisement packet analysis unit 22 of the received advertisement packet (step S24).
  • An effective advertisement packet is an advertisement packet that has been successfully received by the advertisement scanning unit 211.
  • the advertisement scanning unit 211 discards advertisement packets that could not be received correctly.
  • the advertisement packet analysis unit 22 ends the process.
  • the advertisement packet analysis unit 22 notifies the connection management unit 23 of the connection request and connection information included in the advertisement packet (Ste S26).
  • the connection management unit 23 causes the pairing communication unit 212 to perform pairing with the first terminal 1 based on the connection request and the connection information, and the second terminal 2 and the first terminal 1. Is established (step S27).
  • the connection between the first terminal 1 and the second terminal 2 is completed, and the first terminal 1 and the second terminal 2 can perform wireless communication.
  • the communication method of Bluetooth wireless communication performed by the first terminal 1 and the second terminal 2 after establishing the connection is the same as the conventional method.
  • the wireless communication system 4 can be applied to a system that operates the air conditioning system 7.
  • the user uses the first terminal 2 which is a remote controller as the second terminal 2 carried by the user. It can be easily connected to the terminal 1.
  • the user can use the second terminal 2 to operate the air conditioning system 7 installed in the room where the user is present.
  • the first terminal 1 can also perform wireless communication by pairing with a plurality of second terminals 2.
  • the first terminal 1 can accept operations on the air conditioning system 7 from a plurality of users via the plurality of second terminals 2.
  • FIG. 6 is a diagram illustrating an example in which the wireless communication system 4 according to the present embodiment is applied to a hot water supply system 31.
  • the hot water supply system 31 includes a hot water heater 30 and the wireless communication system 4.
  • the first terminal 1 may be a remote controller that accepts an operation on the water heater 30 and controls the hot water supply system 31, and the second terminal 2 may be a portable terminal possessed by the user.
  • the hot water supply system 31 is a system in which a user operates the hot water heater 30 from the second terminal 2 through the first terminal 1.
  • the illumination system 33 includes the illumination device 32 and the wireless communication system 4.
  • the first terminal 1 can be a remote controller that receives an operation to the lighting device 32 and controls the lighting system 33
  • the second terminal 2 can be a portable terminal that the user possesses.
  • the lighting system 33 is a system in which a user operates the lighting device 32 from the second terminal 2 via the first terminal 1.
  • FIG. 8 is a block diagram showing another configuration example of the first terminal 1 and the second terminal 2 according to the present embodiment.
  • the first terminal 1 shown in FIG. 8 is the same as the first terminal 1 shown in FIG.
  • the second terminal 2 shown in FIG. 8 is obtained by adding a sensor 24 to the second terminal 2 shown in FIG.
  • the second terminal 2 transmits the measurement result by the sensor 24 to the first terminal 1 by normal wireless communication by Bluetooth.
  • the second terminal 2 uses the sensor 24 to measure the temperature around the second terminal 2.
  • the result is transmitted to the first terminal 1.
  • the first terminal 1 can provide finer control to the user by using the measurement result of the temperature around the second terminal 2.
  • the second terminal 2 measures the temperature around the second terminal 2 by the sensor 24.
  • the result is transmitted to the first terminal 1.
  • the first terminal 1 can provide finer control to the user by using the measurement result of the temperature around the second terminal 2.
  • the second terminal 2 when the second terminal 2 includes the sensor 24 that can measure the illuminance in the room, the second terminal 2 measures the illuminance around the second terminal 2 using the sensor 24. The result is transmitted to the first terminal 1.
  • the first terminal 1 can provide finer control to the user by using the measurement result of the illuminance around the second terminal 2.
  • FIG. 9 is a diagram illustrating an example of a hardware configuration of the first terminal 1 according to the present embodiment.
  • the first communication unit 11 is a communication device 91 that performs wireless communication using Bluetooth.
  • the connection management unit 12 is realized by a processing circuit.
  • the processing circuit is, for example, a processor 92 that executes a program stored in the memory 93 and the memory 93.
  • each function of the processing circuit is realized by software, firmware, or a combination of software and firmware.
  • Software or firmware is described as a program and stored in the memory 93.
  • each function is realized by the processor 92 reading and executing the program stored in the memory 93.
  • These programs can also be said to cause a computer to execute the procedure and method of the connection management unit 12.
  • the processor 92 may be a CPU (Central Processing Unit), a processing device, an arithmetic device, a microprocessor, a microcomputer, a DSP (Digital Signal Processor), or the like.
  • the memory 93 is nonvolatile or volatile, such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable ROM), EEPROM (registered trademark) (Electrically EPROM), etc.
  • RAM Random Access Memory
  • ROM Read Only Memory
  • flash memory such as EPROM (Erasable Programmable ROM), EEPROM (registered trademark) (Electrically EPROM), etc.
  • semiconductor memory magnetic disk, flexible disk, optical disk, compact disk, mini disk, DVD (Digital Versatile Disc), and the like are applicable.
  • the processing circuit may be dedicated hardware.
  • the processing circuit may be, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), or an FPGA (Field Programmable Gate). Array) or a combination thereof.
  • Each function of the connection management unit 12 may be realized by a processing circuit for each function, or each function may be realized by a processing circuit.
  • connection management unit 12 may be realized by dedicated hardware, and a part may be realized by software or firmware.
  • the processing circuit can realize the above-described functions by dedicated hardware, software, firmware, or a combination thereof.
  • the second communication unit 21 is a communication device 91 that performs wireless communication by Bluetooth.
  • the advertisement packet analysis unit 22 and the connection management unit 23 are realized by a processing circuit.
  • the processing circuit may be a processor and a memory that execute a program stored in the memory, or may be dedicated hardware.
  • the functions of the advertisement packet analysis unit 22 and the connection management unit 23 may be realized by downloading an application distributed by the manufacturer of the first terminal 1. Thereby, the user who possesses portable terminals, such as a smart phone, can acquire the function of the 2nd terminal 2 easily.
  • the first terminal 1 is the first terminal. Identification information that can identify 1, request information indicating a connection request to the first terminal 1 for the second terminal 2, and connection information that the second terminal 2 uses for pairing with the first terminal 1
  • the second terminal 2 receives the advertisement packet, it starts pairing with the first terminal 1 and establishes a connection with the first terminal 1.
  • the connection terminal search, the terminal designation, the password input, etc. that have been manually performed by the user are performed. This eliminates the need for work and reduces user operations when pairing with Bluetooth.
  • the pairing operation according to the present embodiment is not limited to Bluetooth wireless communication, and can be applied to wireless communication other than Bluetooth wireless communication as long as wireless communication requires pairing.
  • the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La présente invention concerne un système de communication sans fil comprenant un premier terminal (1) et des seconds terminaux (2a à 2c). Lorsqu'un événement prescrit se produit, le premier terminal (1) transmet un paquet publicitaire comprenant des informations d'identification qui permettent d'identifier le premier terminal (1), des informations de demande qui invitent les seconds terminaux (2a à 2c) à se connecter au premier terminal (1), et des informations de connexion utilisées pour apparier les seconds terminaux (2a à 2c) avec le premier terminal (1). Suite à la réception du paquet publicitaire, les seconds terminaux (2a à 2c) lancent l'appariement avec le premier terminal (1) et établissent une connexion avec le premier terminal (1).
PCT/JP2018/011163 2018-03-20 2018-03-20 Système de communication sans fil, dispositif terminal et procédé de connexion sans fil WO2019180844A1 (fr)

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JP2020507190A JPWO2019180844A1 (ja) 2018-03-20 2018-03-20 無線通信システム、端末装置および無線接続方法
PCT/JP2018/011163 WO2019180844A1 (fr) 2018-03-20 2018-03-20 Système de communication sans fil, dispositif terminal et procédé de connexion sans fil

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PCT/JP2018/011163 WO2019180844A1 (fr) 2018-03-20 2018-03-20 Système de communication sans fil, dispositif terminal et procédé de connexion sans fil

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022009343A1 (fr) * 2020-07-08 2022-01-13 三菱電機株式会社 Système de climatisation et dispositif de détection

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Publication number Priority date Publication date Assignee Title
JP2008503151A (ja) * 2004-08-05 2008-01-31 エルジー エレクトロニクス インコーポレイティド 周波数層収束方式の利用の一時停止方法
JP2015100048A (ja) * 2013-11-19 2015-05-28 株式会社イーアールアイ 無線通信システム、無線通信装置及びプログラム
JP2016167750A (ja) * 2015-03-10 2016-09-15 株式会社Ｊｖｃケンウッド 通信端末装置、通信システム、及び通信方法
JP2016178581A (ja) * 2015-03-23 2016-10-06 カシオ計算機株式会社 無線通信装置、無線通信方法、及びプログラム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008503151A (ja) * 2004-08-05 2008-01-31 エルジー エレクトロニクス インコーポレイティド 周波数層収束方式の利用の一時停止方法
JP2015100048A (ja) * 2013-11-19 2015-05-28 株式会社イーアールアイ 無線通信システム、無線通信装置及びプログラム
JP2016167750A (ja) * 2015-03-10 2016-09-15 株式会社Ｊｖｃケンウッド 通信端末装置、通信システム、及び通信方法
JP2016178581A (ja) * 2015-03-23 2016-10-06 カシオ計算機株式会社 無線通信装置、無線通信方法、及びプログラム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022009343A1 (fr) * 2020-07-08 2022-01-13 三菱電機株式会社 Système de climatisation et dispositif de détection
JPWO2022009343A1 (fr) * 2020-07-08 2022-01-13
JP7403655B2 (ja) 2020-07-08 2023-12-22 三菱電機株式会社 空気調和システムおよび検知方法

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