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WO2018109985A1 - Répéteur, dispositif terminal, système de communication, procédé de communication et programme - Google Patents

Répéteur, dispositif terminal, système de communication, procédé de communication et programme Download PDF

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Publication number
WO2018109985A1
WO2018109985A1 PCT/JP2017/030312 JP2017030312W WO2018109985A1 WO 2018109985 A1 WO2018109985 A1 WO 2018109985A1 JP 2017030312 W JP2017030312 W JP 2017030312W WO 2018109985 A1 WO2018109985 A1 WO 2018109985A1
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WO
WIPO (PCT)
Prior art keywords
network
communication
unit
terminal device
communication unit
Prior art date
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Ceased
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PCT/JP2017/030312
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English (en)
Japanese (ja)
Inventor
英之 中西
秀一 竹花
勝利 石倉
山崎　敦史
佑介 高木
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Sharp Corp
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Sharp Corp
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Publication of WO2018109985A1 publication Critical patent/WO2018109985A1/fr
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Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • Tethering is a function in which a relay device relays communication with a communication destination connected to a network such as a public wireless communication network (PLMN) via a PAN (Personal Area Network).
  • PLMN public wireless communication network
  • PAN Personal Area Network
  • a terminal device used as a relay device may be called a tethering terminal.
  • the tethering terminal has a communication function with other terminal devices via the PAN. Communication via PAN is called PAN communication.
  • Another terminal device serving as a communication source is called a client terminal.
  • An unlicensed band means a frequency band that is not a dedicated frequency band based on a communication business license in each country.
  • the unlicensed band is a frequency band that can be freely set and used even by a person who is not licensed.
  • a dedicated frequency band based on a communication business license is called a license band. Therefore, communication using the unlicensed band is advantageous in terms of charge, but communication speed and stability may be inferior to communication using the license band.
  • a 5 GHz band radio wave is used as an unlicensed band. Since this band is higher than the 800 MHz and 2 GHz radio waves used as the license band, the resistance to interference is relatively weak.
  • the communication speed may decrease when the number of users increases suddenly, such as during congestion.
  • An event similar to communication using an unlicensed band may occur in a public wireless LAN (Local Area Network).
  • a spoofed access point or the like is generated in the public wireless LAN. Therefore, the reliability of public wireless LAN communication is not necessarily high.
  • the use of an unlicensed band or a public wireless LAN may not be desired.
  • communication speed is stable and reliable communication is desired, the user may think that it is better to reconnect to the license band and communicate even when using the unlicensed band.
  • Communication with a stable communication speed and high reliability is suitable for, for example, video streaming playback and online games. Furthermore, using the above-mentioned license band and unlicensed band in combination with the Carrier Aggregation (CA) technique is also under consideration. Even in this case, the user may think that it is better to stop only the communication of the unlicensed band with low reliability and switch to the communication of only the license band.
  • CA Carrier Aggregation
  • a router device such as a tethering terminal or mobile router determines whether to connect to an unlicensed band or a license band, or to connect both at the same time, depending on the user operation, radio wave environment, etc. May have a function to select. However, the selection is made by the base station or the router device, not the client terminal. For this reason, the client terminal that communicates with the communication destination through the router may use the unlicensed band even though it is not preferable to use the unlicensed band.
  • Some aspects of the present invention have been made in view of the above points, and a relay device, a terminal device, and a communication system that can select a network used for communication with a communication destination from a terminal device used as a client terminal , A communication method, and a program are provided.
  • One aspect of the present invention includes a first communication unit that can use at least one of a plurality of networks, a second communication unit that communicates with a terminal device, and a control unit, wherein the control unit includes the first communication unit. And the second communication unit relay data, and the first communication unit does not use at least one of the networks according to information received from the terminal device via the second communication unit It is a relay device to control to.
  • a network used for communication with a communication destination can be selected from a terminal device.
  • the router 10 is a relay device that relays various data transmitted between a device connected to the network and the terminal device 20.
  • the router 10 has a proxy function, and one address is assigned to the network. Even if there are a plurality of terminal devices 20, the communication destination device is notified of the one address as the address of the communication partner.
  • the router 10 is connected to networks NW11, NW12, and NW13, respectively.
  • the network NW11 is a wireless network in which data is conveyed using a license band in accordance with, for example, a normal LTE-A (Long Term Evolution-Advanced) system. In the following description, this network may be simply referred to as a license band.
  • the network NW 12 is a wireless network that conforms to, for example, the LAA (Licensed-Assisted Accessing LTE) system. In the following description, this network may be simply referred to as an unlicensed band.
  • the LAA method is a method in which an unlicensed band is used in the LTE method or the LTE-A method.
  • the network NW13 is, for example, a public wireless LAN that conforms to a method defined by IEEE 802.11. In the following description, this network may be referred to as a public wireless LAN.
  • the router 10 is wirelessly connected to the terminal devices 20-1 and 20-2.
  • a network NW 21 is configured by connecting the router 10 and the terminal devices 20-1 and 20-2.
  • the router 10 transmits / receives data to / from the terminal devices 20-1 and 20-2 by a method defined by, for example, IEEE802.15.1, IEEE802.11, Wireless USB (Universal Serial Bus) Specification 1.0, or the like. To do.
  • the router 10 may be, for example, a dedicated mobile router or various tethering devices.
  • the tethering device that functions as the router 10 may be a terminal device that is separate from the terminal device 20.
  • the terminal device 20 is an electronic device that can transmit and receive various types of data to and from a communication destination device, and is used as a client terminal.
  • the terminal device 20 is, for example, a multi-function mobile phone (including a so-called smartphone), a tablet terminal device, a PC (Personal Computer), or the like.
  • the terminal devices 20-1 and 20-2 can transmit and receive various types of data to and from a communication destination device via any of the networks NW11, NW12, and NW13 connected to the router 10, respectively. (Tethering).
  • the communication destination device means a device that is a communication partner. In the following description, the communication destination device may be simply referred to as a communication destination.
  • FIG. 2 is a schematic block diagram showing the configuration of the router 10 according to the present embodiment.
  • the router 10 includes a first communication unit 11, a second communication unit 12, and a control unit 13.
  • the first communication unit 11 can be connected to a plurality of communication scheme networks, and transmits / receives various data to / from a communication destination via any one of the networks.
  • the first communication unit 11 uses, for example, any of the networks NW11, NW12, and NW13 illustrated in FIG. 1 for communication between the terminal device 20 and a communication destination.
  • the first communication unit 11 discovers a base station device (not shown) constituting the network, and connects to a network having radio resources that can be used at that time.
  • the 2nd communication part 12 transmits / receives various data between the terminal devices 20 connected via network NW21.
  • the control unit 13 includes a network processing unit 131, a communication control unit 132, and a data relay unit 133.
  • the network processing unit 131 detects the network to which the first communication unit 11 is connected, and transmits connection network information indicating the detected network to the terminal device 20.
  • the communication control unit 132 controls communication executed between the terminal device 20 and a communication destination.
  • the communication control unit 132 receives network instruction information as a response to the connection network information transmitted by the network processing unit 131.
  • the network instruction information is information indicating whether or not the network indicated by the connection network information can be used.
  • the communication control unit 132 determines to continue communication using the network to which the first communication unit 11 is connected.
  • the communication control unit 132 determines to change the network to which the first communication unit 11 is connected to another network.
  • the communication control unit 132 may cause the second communication unit 12 to send a discovery signal for discovering its own device.
  • the communication control unit 132 establishes a connection between the terminal device 20 that is the transmission source of the communication start request and the second communication unit 12, and enables transmission and reception of various control signals. Further, the communication control unit 132 extracts a communication destination address from the communication start request received from the terminal device 20, and communicates with the communication destination specified by the address extracted via the network connected to the first communication unit 11. Establish a connection.
  • FIG. 3 is a schematic block diagram illustrating a configuration of the terminal device 20 according to the present embodiment.
  • the terminal device 20 includes a communication unit 21, a control unit 23, an operation input unit 241 and a display unit 242.
  • the communication unit 21 transmits and receives various data to and from the router 10 connected via the network NW21.
  • the control unit 23 includes a network setting unit 231 and a communication control unit 232.
  • the network setting unit 231 performs processing for determining a network used for communication between the router 10 and a communication destination. More specifically, when receiving connection network information from the router 10, the network setting unit 231 generates a network inquiry screen.
  • the network inquiry screen is an image for notifying the network indicated by the connection network information and inquiring whether the network can be used or image data indicating the image.
  • the network inquiry screen may include, for example, an available (YES) button and an unavailable (NO) button for the network.
  • the network setting unit 231 causes the display unit 242 to display the generated network inquiry screen.
  • the network for generating and displaying the network inquiry screen may be a preset network, for example, an unlicensed band or a public wireless LAN.
  • the network setting unit 231 generates network instruction information indicating the use when the use is instructed by the operation signal input from the operation input unit 241. On the other hand, the network setting unit 231 generates network instruction information indicating the unusable when the unusable is indicated by the operation signal input from the operation input unit 241. The network setting unit 231 outputs the generated network instruction information to the communication control unit 232. The network instruction information is transmitted to the router 10 via the communication control unit 232 as will be described later.
  • the communication control unit 232 performs control related to communication with the own device via the router 10. For example, the communication control unit 232 detects a discovery signal transmitted from the router 10 and causes the communication unit 21 to establish a connection with the router 10. The communication control unit 232 transmits a communication start request to the router 10 when an instruction to start communication is given by an operation signal or processing of an application program executed in the control unit 23. The trigger for transmitting the communication start request is, for example, when the address of the communication destination is input via the address display field on the screen of the browser being executed. The communication control unit 232 includes the address of the communication destination specified by the communication start instruction in the communication start request. In addition, the communication control unit 232 transmits network instruction information input from the network setting unit 231 to the router 10. Then, the communication control unit 132 of the router 10 determines whether to use a network connected to the first communication unit 11 based on the network instruction information received from the terminal device 20.
  • the operation input unit 241 receives a user operation and outputs an operation signal corresponding to the received operation to the control unit 23.
  • the operation input unit 241 may be a dedicated member such as a button or a knob, or may be a general-purpose member such as a touch panel or a mouse.
  • the display unit 242 displays an image based on the image data input from the control unit 23.
  • the display unit 242 is, for example, a liquid crystal display.
  • FIG. 4 is a diagram showing a display example of the network inquiry screen according to the present embodiment.
  • the network inquiry screen is displayed on the display unit 242 of the terminal device 20.
  • the display functioning as the display unit 242 is integrated with the touch sensor functioning as the operation input unit 241 and configured as a single touch sensor.
  • the network inquiry screen is configured as a pop-up screen including an address field AD01, a message field MS01, a YES button BT01, and a NO button BT02.
  • a character string “http://www.xxx.yyy.co.jp” is displayed as the address of the communication destination.
  • a message for inquiring whether or not “Unlicensed Band” that is a network connected to the first communication unit 11 of the router 10 can be used is displayed.
  • the displayed message includes a confirmation message to the user of the terminal device 20, “Currently connected with“ Unlicensed Band ”. Are you sure you want to connect as it is?”.
  • the displayed message further includes the words “Unlicensed Band” may indicate that the communication is unstable.
  • Step S101 Communication is started between the router 10 and the terminal device 20.
  • the communication control unit 232 of the terminal device 20 transmits a communication start request to the router 10.
  • the communication control unit 132 of the router 10 receives a communication start request from the terminal device 20. Thereafter, the process proceeds to step S102.
  • Step S ⁇ b> 102 The network processing unit 131 of the router 10 transmits connection network information indicating the network to which the first communication unit 11 is connected to the terminal device 20.
  • the network setting unit 231 of the terminal device 20 determines whether the network indicated by the connection network information received from the router 10 is a license band. Here, it is determined whether or not the first communication unit 11 of the router 10 uses a license band.
  • step S102 When it is determined that it is a license band (YES in step S102), the network setting unit 231 transmits network instruction information indicating that the network is usable to the router 10. Thereafter, the process proceeds to step S107. When it is determined that it is not a license band (NO in step S102), the process proceeds to step S103.
  • Step S103 The network setting unit 231 causes the display unit 242 to display a network inquiry screen for the connected network indicated by the connection network information. Thereafter, the process proceeds to step S104.
  • Step S104 The network setting unit 231 determines whether or not the operation signal input from the operation input unit 241 indicates that use is possible (YES) (NO). When it is determined that it can be used (YES in step S104), network instruction information indicating that the network is usable is transmitted to the router 10. Thereafter, the process proceeds to step S107. When it is determined that the network cannot be used (NO in step S104), network instruction information indicating that the network is unusable is transmitted to the router 10. Thereafter, the process proceeds to step S105.
  • Step S105 Since the network instruction information received from the terminal device 20 indicates that the network control information received from the terminal device 20 is unusable, the communication control unit 132 of the router 10 causes the first communication unit 11 to disconnect from the currently connected network. Thereafter, the process proceeds to step S106.
  • Step S106 The communication control unit 132 of the router 10 causes the first communication unit 11 to connect to the license band as a network other than the network that has been disconnected. Thereafter, the process proceeds to step S107.
  • Step S ⁇ b> 107 The communication control unit 132 of the router 10 causes communication between the terminal device 20 and the communication destination using the network connected to the first communication unit 11.
  • the communication control unit 132 causes the data relay unit 133 to execute data transmission / reception between the second communication unit 12 and the communication destination. Thereafter, the process shown in FIG.
  • the router 10 includes the first communication unit 11 connected to any one of the plurality of networks, the second communication unit 12 connected to the terminal device, the first communication unit 11, and the first communication unit 11.
  • a data relay unit 133 that relays data to and from the two communication units 12.
  • the router 10 includes a network processing unit 131 that notifies the terminal device 20 of connection network information indicating a network to which the first communication unit 11 is connected. Further, when the router 10 receives from the terminal device 20 network instruction information indicating that the network to which the first communication unit 11 is connected is not usable, the router 10 transfers the network to which the first communication unit 11 is connected to another network.
  • a communication control unit 132 to be changed is provided.
  • the network when network instruction information indicating that the network to which the first communication unit 11 is connected is received from the terminal device 20, the network is changed to another network and indicates that the network can be used.
  • the network instruction information is received, the network to which the first communication unit 11 is connected is changed to another network. Therefore, the network used for communication between the router 10 and the communication destination is selected by an instruction from the terminal device 20. Therefore, the user of the terminal device 20 can use a desired network according to the communication destination, and can avoid using an undesirable network.
  • a communication system 1a (not shown) according to the present embodiment includes a router 10a and a terminal device 20a.
  • FIG. 6 is a schematic block diagram showing the configuration of the router 10a according to this embodiment.
  • the router 10a includes a first communication unit 11, a second communication unit 12, a control unit 13a, and a list storage unit 14a.
  • the control unit 13a includes a network processing unit 131a, a communication control unit 132a, and a data relay unit 133.
  • the network processing unit 131a stores, as a list, information that associates the address of the communication destination with whether or not the network instruction information received from the terminal device 20 can be used or not. It memorize
  • Information stored by the network processing unit 131a is accumulated in the list storage unit 14a to form a network list.
  • the network list includes a black list and a white list of each network.
  • the black list is information indicating addresses of communication destinations that are not used for each network.
  • the white list is information indicating addresses of communication destinations that can be used for each network.
  • the router 10a includes an operation input unit (not shown) that outputs an operation signal corresponding to the user's operation to the control unit 13a, and a display unit that displays an image based on the image data input from the control unit 13a (see FIG. (Not shown).
  • the network processing unit 131a adds the address of the communication destination and information indicating availability for each network in association with each other as a network list update request instructed by an operation signal input from the operation input unit, and adds it to the network list. May be. Further, the network processing unit 131a may change or delete part of the information included in the network list as the network list update request.
  • the network processing unit 131a extracts the address of the communication destination from the communication start request received from the terminal device 20.
  • the network processing unit 131a detects the network to which the first communication unit 11 is connected. Then, connection network information indicating the detected network is transmitted to the terminal device 20a.
  • the network processing unit 131a of the router 10a stores a new address and information on a specific network in association with each other, and stores information on the network corresponding to the address. to erase.
  • the network processing unit 131a does not store the new address and the specific network information in association with each other, and maintains the network information corresponding to the address.
  • the communication control unit 132a performs processing similar to that performed by the communication control unit 132 (FIG. 2) and further performs processing described below.
  • the communication control unit 132a refers to the network list stored in the list storage unit 14a and determines whether or not the network to which the first communication unit 11 is connected can be used. When the address of the communication destination is included in the white list, the communication control unit 132a determines to continue communication using the network to which the first communication unit 11 is connected. When the address of the communication destination is included in the black list, the communication control unit 132a determines to change the network to another network without performing communication using the network to which the first communication unit 11 is connected. To do. At this time, the communication control unit 132a releases the connection with the currently connected network with respect to the first communication unit 11.
  • the network setting unit 231a performs processing similar to that of the network setting unit 231 (FIG. 3) and further performs processing described below.
  • the network setting unit 231a transmits a network list request to the router 10a.
  • the network setting unit 231a receives the network list from the router 10a as a response to the network list request.
  • the network setting unit 231a generates a network list display screen representing the network list. In addition to the black list and the white list for each network, an edit button may be displayed on the network list display screen.
  • the communication control unit 232 controls the communication executed through the own device and the router 10b. For example, the communication control unit 232 discovers the router 10b and causes the communication unit 21 to establish a connection with the discovered router 10b. The communication control unit 232 transmits a communication start request to the router 10 when communication start is instructed by processing of the application program executed in the control unit 23b.
  • the network processing unit 131b may be omitted.
  • the black list or white list is not edited based on the user operation.
  • the control unit 13b based on the network list update information acquired along with the updated software, the black list stored in the list storage unit 14a or The white list may be updated.
  • the router 10b includes the first communication unit 11 connected to any of the plurality of networks, the second communication unit 12 connected to the terminal device 20b, and the first communication unit 11.
  • a data relay unit 133 that relays data to and from the second communication unit 12 is provided.
  • the router 10b refers to the network list indicating whether or not the network can be used for each communication destination address, and determines that the network corresponding to the communication destination address notified from the terminal device 20b is an unusable network.
  • a communication control unit 132b that changes the network to which the first communication unit 11 is connected to another network. With this configuration, whether or not the network can be used is determined according to the notified communication destination address with reference to the network list.
  • the use of the unavailable network is avoided and the available network is used. Accordingly, by setting a network list in which a desired network is an available network and an undesired network is registered as an unusable network according to the address of the communication destination, the communication destination designated by the terminal device 20b is set. Accordingly, the desired network is used, and the use of an undesirable network can be avoided.
  • the first communication unit 11 of the routers 10, 10 a, and 10 b may be a target for determining whether or not another network, for example, a public wireless LAN can be used.
  • a public wireless LAN can be used.
  • a processing order may be determined in advance between a plurality of determination target networks.
  • the first processing order is defined as an unlicensed band and the second is defined as a public wireless LAN.
  • the determination target network may also include a license band.
  • the communication control units 132, 132a, and 132b cause the first communication unit 11 to connect to the network determined to be usable.
  • the communication control units 132, 132a, and 132b may connect the first communication unit 11 to a predetermined default network as another network, or determine that the connection has failed. May be.
  • the default network is, for example, a license band.
  • the number of communication paths used for communication between the routers 10, 10a, and 10b and the communication destination device is not limited to one and may be plural.
  • the above-described embodiments and modifications may be applied to CA.
  • the routers 10, 10a, and 10b can communicate with each other using a plurality of component carriers (CC: Component Carrier).
  • CC Component Carrier
  • the network control described above may be applied to all or some of the CCs.
  • the communication control units 132, 132a, and 132b can stop communication using an unlicensed band with low reliability and change to communication using only the license band.
  • the communication control units 132, 132a, and 132b stop communication using the license band and change to communication using only the unlicensed band. be able to. Further, when the communication capacity is given priority, the communication control units 132, 132a, and 132b can realize communication using a network in a frequency band that can be used at that time regardless of the type of network.
  • some members for example, antennas may be common between the first communication unit 11 and the second communication unit 12.
  • antennas may be common between the terminal devices 20 and 20a, either one or both of the operation input unit 241 and the display unit 242 may be separate from other parts.
  • a first communication unit that can use at least one of a plurality of networks, a second communication unit that communicates with a terminal device, and a control unit, wherein the control unit includes the first communication unit and the second communication unit.
  • Relay data to and from a communication unit, and control the first communication unit not to use at least one of the networks according to information received from the terminal device via the second communication unit; Relay device.
  • the control unit prevents the first communication unit from using the network when network instruction information indicating that the network cannot be used is received from the terminal device via the second communication unit.
  • the relay device of (1) to be controlled.
  • a storage unit that holds a network list in which address information and a network are associated with each other is further provided, and the control unit includes a communication destination address information received from the terminal device when the network list includes the communication destination address information.
  • a communication unit that communicates with a relay device that can use at least one of a plurality of networks, an input unit that receives a user input, and a control unit, wherein the control unit is configured based on the user input.
  • a terminal device that transmits network instruction information indicating that at least one of the networks cannot be used to the relay device via the communication unit.
  • a communication system including a terminal device and a relay device, wherein the relay device can use any one of a plurality of networks, a second communication unit that communicates with the terminal device, A network processing unit that relays data between the first communication unit and the second communication unit and notifies the terminal device of connection network information indicating a network used by the first communication unit; and address information And a storage unit that holds a network list in which the network is associated, and when the address information of the communication destination received from the terminal device is included in the network list, the network corresponding to the address information is A communication control unit that controls the first communication unit not to use.
  • a communication method in a relay device that relays data between a first communication unit that can use at least one of a plurality of networks and a second communication unit that communicates with a terminal device, the communication method comprising: The first communication unit determines at least one of the networks according to a network processing process for relaying data to and from the second communication unit and information received from the terminal device via the second communication unit. And a communication control process for controlling not to use.
  • the first communication unit and the second communication unit In the computer of the relay device that relays data between the first communication unit that can use at least one of a plurality of networks and the second communication unit that communicates with the terminal device, the first communication unit and the second communication unit The first communication unit does not use at least one of the networks according to a network processing procedure for relaying data to and from the communication unit and information received from the terminal device via the second communication unit.
  • the “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM or a CD-ROM, and a hard disk incorporated in a computer system. Furthermore, the “computer-readable recording medium” is a medium that dynamically holds a program for a short time, such as a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line, In such a case, a volatile memory inside a computer system serving as a server or a client may be included and a program that holds a program for a certain period of time.

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  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
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Abstract

La présente invention porte sur une première unité de communication capable d'utiliser au moins un réseau parmi une pluralité de réseaux, une seconde unité de communication communiquant avec un dispositif terminal, une unité de commande répétant des données entre la première unité de communication et la seconde unité de communication et exerçant une commande en fonction d'informations reçues en provenance du dispositif terminal par l'intermédiaire de la seconde unité de communication, de telle sorte que la première unité de communication n'utilise pas au moins l'un des réseaux. Plusieurs modes de réalisation de la présente invention peuvent également être mis en œuvre tels qu'un répéteur, un dispositif terminal, un système de communication, un procédé de communication ou un programme.
PCT/JP2017/030312 2016-12-15 2017-08-24 Répéteur, dispositif terminal, système de communication, procédé de communication et programme Ceased WO2018109985A1 (fr)

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