JP2017017377A - Radio communication terminal, radio communication system, radio communication method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To construct a network in which radio communication terminals can communicate with each other by using a communication method commonly used by a plurality of radio communication terminals included in a network in terminal-to-terminal communication.SOLUTION: A processor in a radio communication terminal shares a list of a plurality of radio communication terminals included in a radio communication network with a plurality of other radio communication terminals included in the radio communication network. In addition, the processor determines a communication method commonly used by the plurality of radio communication terminals included in the shared list of the plurality of radio communication terminals from a plurality of communication systems. A communication module in the radio communication terminal communicates with the plurality of other radio communication terminals included in the radio communication network by using the determined communication method.SELECTED DRAWING: Figure 12

Description

  The present disclosure relates to a wireless communication terminal, a wireless communication method, a wireless communication system, and a program.

  In the event that a communication service from a base station cannot be provided due to a disaster or the like, an inter-terminal communication technology that constructs a network using communication between wireless communication terminals without going through the base station has attracted attention.

  In recent years, various communication systems such as Wi-Fi (registered trademark), Bluetooth (registered trademark), and infrared communication have been implemented in wireless communication terminals. Also, the supported communication method varies depending on the model of the wireless communication terminal. For this reason, in order to realize mutual communication between each wireless communication terminal, it is desirable to select a communication method supported by all wireless communication terminals participating in the network and perform data communication.

  For example, in Patent Document 1, a communication terminal having a plurality of communication interfaces has a use priority table in which the use priority of the communication interface is stored for each application. In this communication terminal, when a communication request is detected, a use priority table is referred to, and a communication interface with the highest use priority is selected from one or more communication interfaces capable of communication.

  In Patent Document 2, information on supported wireless protocols is exchanged between two client apparatuses, and data communication is performed using a common wireless protocol.

  In Patent Document 3, the communication device communicates with another communication device via a mobile phone line, and communicates with the navigation device via short-range wireless communication.

  In Patent Literature 4, a wireless base station uses a wireless terminal communication method (modulation method, error correction code) corresponding to each CID (ID for identifying a wireless terminal MS) for which a bandwidth is requested. Obtained from the method management table.

  In Patent Document 5, the home location register compares the information on the wireless communication system of the vehicle with the information on the wireless communication system of the mobile device transmitted from the core network, and there is a common wireless communication method between the vehicle and the mobile device. Determine if there is. When it is determined that there is a common wireless communication method between the vehicle and the mobile device, a connection switching request for the mobile device to the common wireless method is transmitted to the core network.

  In Patent Literature 6, when a communication partner terminal device is specified from the mobile terminal device, the negotiation unit provided in the server device is specified based on the list of terminal devices and virtual machines acquired by the owner access unit. The virtual machine corresponding to the terminal device is specified. The negotiation unit negotiates with the user agent of the identified virtual machine, and determines a communication method based on information on usable communication methods held by each other.

  In Patent Document 7, the terminal profile management server stores in advance a terminal-to-terminal direct communication method for each model of mobile terminal. The terminal profile management server searches for a direct communication method according to the model name received from the mobile terminal, and notifies the out-of-service location management server of the search result. The out-of-service location management server analyzes the out-of-service area and analyzes the relay area based on the terminal location information of other mobile terminals obtained from the mobile terminal. The terminal profile management server sends the request information including the analysis result and the direct communication method between terminals installed in the mobile terminal in the out-of-service area obtained from the terminal profile management server to the mobile terminal existing in the service area. To send.

  In Patent Literature 8, a mobile phone terminal performs short-range wireless transmission with other terminal devices stored in advance as counterpart terminals, and performs broadcast transmission for transmitting the same data.

WO12 / 053049 JP 2004-135258 A WO2010 / 032618 WO2008 / 044318 WO2006 / 100714 JP 2014-056333 A JP2009-027277 JP 2002-280955 A

  However, the technique described in Patent Document 1 is used for communication between a wireless communication terminal and a base station. Similarly, the techniques described in Patent Documents 4 to 7 are used for communication with a device different from a wireless communication terminal such as a server. That is, the technologies described in Patent Documents 1, 4 to 7 are completely different from the terminal communication.

  Patent Document 2 does not consider the case where three or more wireless communication terminals participate in the same network, and selects a communication method that is commonly supported by three or more wireless communication terminals. I can't. For example, when a wireless communication terminal joins and / or leaves a network, the communication method supported by all the wireless communication terminals may change, but the technique described in Patent Document 2 supports this. I can't.

  Note that Patent Documents 3 and 8 merely show that communication is performed with a predetermined communication partner using a predetermined communication method.

  The purpose of the exemplary embodiment is the above-described problem. In communication between terminals, each wireless communication terminal can communicate with each other using a communication method commonly used by a plurality of wireless communication terminals included in the network. It is to provide a wireless communication terminal, a wireless communication method, a wireless communication system, and a program for constructing a simple network.

  The wireless communication terminal of the exemplary embodiment is a wireless communication terminal in a wireless communication network including a plurality of wireless communication terminals. The wireless communication terminal includes a processor configured to share a list of the plurality of wireless communication terminals with a plurality of other wireless communication terminals included in the wireless communication network. The processor is configured to determine a communication method to be commonly used by a plurality of wireless communication terminals included in the shared list of the plurality of wireless communication terminals from a plurality of communication methods. The wireless communication terminal includes a communication module configured to be able to communicate with the plurality of other wireless communication terminals included in the wireless communication network using the determined communication method.

  The method in the exemplary embodiment is a communication method of a wireless communication terminal in a wireless communication network including a plurality of wireless communication terminals. In the communication method, the list of the plurality of wireless communication terminals is shared with a plurality of other wireless communication terminals included in the wireless communication network, and the plurality of wireless communication terminals included in the shared list of the plurality of wireless communication terminals is included. A communication method commonly used by communication terminals is determined from a plurality of communication methods, and the determined communication method is used to communicate with the plurality of other wireless communication terminals included in the wireless communication network. To do.

  The wireless communication system in the exemplary embodiment includes a plurality of wireless communication terminals. The wireless communication terminal in the wireless communication system shares the list of the plurality of wireless communication terminals with a plurality of other wireless communication terminals included in the wireless communication system, and the shared list of the plurality of wireless communication terminals. A communication method commonly used by a plurality of wireless communication terminals included in the plurality of communication methods is determined from the plurality of communication methods, and the plurality of other communication units included in the wireless communication system are determined using the determined communication method. Configured to communicate with the wireless communication terminal.

  The program in the exemplary embodiment is a program that causes a computer to execute a communication method of a wireless communication terminal in a wireless communication network including a plurality of wireless communication terminals. In the program, a list of the plurality of wireless communication terminals is shared with a plurality of other wireless communication terminals included in the wireless communication network, and a plurality of wireless communication included in the shared list of the plurality of wireless communication terminals is included. A communication method commonly used by terminals is determined from a plurality of communication methods, and the determined communication method is used to communicate with the plurality of other wireless communication terminals included in the wireless communication network. To do that.

  According to the exemplary embodiment, it is possible to construct a network in which each wireless communication terminal can communicate with each other using a communication method commonly used by a plurality of wireless communication terminals included in the network.

The outline | summary of the communication between terminals by the communication terminal which concerns on exemplary embodiment is shown. 1 shows a configuration of a wireless communication terminal 100 according to a first exemplary embodiment. An example of the participating terminal list 131 is shown. An example of the correspondence communication system list 132 is shown. Another example of the participating terminal list 131 and the corresponding communication method list 132 is shown. 6 shows a flowchart when the wireless communication terminal 100 according to the first exemplary embodiment joins a network. 3 shows a flowchart when the wireless communication terminal 100 according to the first exemplary embodiment is participating in a network. 2 shows a configuration of a wireless communication terminal 200 according to a second exemplary embodiment. 7 shows a flowchart when a wireless communication terminal 200 according to a second exemplary embodiment joins a network. 7 shows a flowchart when a wireless communication terminal 200 according to a second exemplary embodiment is participating in a network. 2 illustrates an example system configuration according to an exemplary embodiment. 1 shows an overview of a communication terminal according to an exemplary embodiment.

  Exemplary embodiments will be described in detail with reference to the drawings. The communication terminal in this specification is intended for a movable wireless communication terminal. In each drawing, the same or corresponding elements are denoted by the same reference numerals, and redundant description is omitted as necessary for clarification of the description. A plurality of exemplary embodiments described below can be implemented independently or in appropriate combinations.

  FIG. 1 shows an overview of inter-terminal communication by a wireless communication terminal according to an exemplary embodiment.

  As shown in FIG. 1, a wireless communication terminal 20, a wireless communication terminal 21, and a wireless communication terminal 22 constitute a network (wireless communication network) 10 by inter-terminal communication, and communicate with each other. For example, a new wireless communication terminal (for example, “wireless communication terminal 23” in FIG. 1) may participate in the network 10. Alternatively, a wireless communication terminal (eg, “wireless communication terminal 24” in FIG. 1) may be disconnected from the network 10.

[First exemplary embodiment]
FIG. 2 shows a configuration of the wireless communication terminal 100 according to the first exemplary embodiment.

  In FIG. 2, the first exemplary wireless communication terminal 100 includes a communication unit 110, an arithmetic processing unit 120, a storage device 130, and an application 140.

  The communication unit 110 has a function for performing communication with other wireless communication terminals. The communication unit 110 corresponds to one or more communication methods. The communication unit 110 can communicate with other wireless communication terminals using the common communication method when a common communication method exists between the own wireless communication terminal and the other wireless communication terminal. it can.

The communication method is, for example, IEEE (Institut of Electrical
various wireless LANs (Local Area Networks) such as 802.11b, 802.11g, 802.11a, 802.11n, 802.11ac, 802.11ad, and 802.11ah defined by the International and Electronics Engineers). Other communication methods are ZigBee (registered trademark) defined as IEEE 802.15.4 and Bluetooth (registered trademark) defined in IEEE 802.15.1. Other communication methods may be 3GPP (Third Generation Partnership Project), LTE (Long-Term Evolution), D2D (Device-to-Device), IrDA (Infrared Data Association), infrared communication, etc. .

  Also, for example, even if the standards of the first communication method and the second communication method are the same, if the parameters used in each are different, the first and second communication methods are treated as different. Also good. Also, for example, even if the communication method of the first communication method and the second communication method are the same standard, the frequency (or frequency band), modulation method, modulation rate, coding method, code used in each If any one or more of the conversion rates are different, the first and second communication methods may be treated as different. Or in IEEE802.11n or IEEE802.11ac, at least one of the number of channel bonding and the number of spatial streams may be treated as another communication method. Or the thing of a different class in Bluetooth may be handled as another communication system.

  The communication unit 110 may include an antenna, a peripheral circuit, a driver, a kernel module, an OS (Operating System) for controlling them, and the like for performing communication using these communication methods. Further, the communication unit 110 may perform network control such as detection, authentication, authorization, and routing of other communication terminals.

  The storage device 130 includes a participating terminal list 131 that is a list of wireless communication terminals participating in the wireless communication network and a corresponding communication method list 132. The storage device 130 is composed of, for example, a magnetic disk or a semiconductor memory. The storage device 130 has a function of holding various data.

  The participating terminal list 131 has a function of storing a list of wireless communication terminals participating in the network.

  Here, FIG. 3 shows an example of the participating terminal list 131 when the wireless communication terminals 20, 21, 22, and 24 are participating in the network.

  The supported communication method list 132 has a function of storing communication methods supported by each wireless communication terminal.

  Here, FIG. 4 shows an example of the corresponding communication method list 132. In this example, the wireless communication terminals 20, 21, and 22 correspond to the communication methods a, b, and c. Further, the wireless communication terminal 23 corresponds to the communication methods b and c. The wireless communication terminal 24 corresponds to the communication methods a and b. In the present embodiment, it is assumed that the supported communication method list 132 is input in advance.

  The storage format of the participating terminal list 131 and the corresponding communication method list 132 is arbitrary.

  For example, FIG. 5 shows a participating terminal list 131 and a corresponding communication method list 132 in another format. In FIG. 5, a participation flag indicating whether each terminal is participating in the network is added to the list of communication methods supported by each terminal.

  The arithmetic processing unit 120 includes a control unit 121, a participating terminal management unit 122, and a communication method selection unit 123 as functions realized by the arithmetic processing unit 120. Each function realized by the arithmetic processing unit 120 may operate independently, or may operate simultaneously or simultaneously.

  The control unit 121 controls participation or withdrawal of the own communication terminal from the network. For example, when the power of the communication terminal is turned on, when a communication request is received from the application 140, when returning from the power saving mode, the control unit 121 causes the communication terminal to participate in the network. At this time, the control unit 121 instructs the communication unit 110 to connect to any other communication terminal in the network using a communication method that the other communication terminal and the own communication terminal support in common. To do. Here, the control unit 121 may use various methods known as methods for selecting a communication method between two communication terminals when selecting a communication method for connecting to the other communication terminal.

  In addition, the control unit 121 may leave the communication terminal from the network, for example, when the communication terminal is turned off, when a communication end instruction is received from the application 140, or when shifting to the power saving mode. You may instruct | indicate with respect to the communication part 110. FIG.

  The participating terminal management unit 122 manages information on terminals participating in the network, and updates the participating terminal list 131. For example, the participating terminal management unit 122 periodically instructs the communication unit 110 to publicize (broadcast) an identifier (identifier information) for identifying the own communication terminal to other peripheral communication terminals. In addition, the participating terminal management unit 122 may periodically collect the identifier information of other communication terminals received by the communication unit 110 and store it as the participating terminal list 131. Alternatively, the participating terminal management unit 131 may use an information sharing method such as a flooding method or an epidemic method, share information on the participating terminals with other communication terminals, and update the participating terminal list 131. Alternatively, the participating terminal management unit 122 instructs the communication unit 110 to notify another communication terminal that the own communication terminal has joined or left when the own communication terminal joins or leaves the network. Also good. Furthermore, the participation terminal management unit 122 adds or deletes the other communication terminal to the participation terminal list 131 when receiving a notification from the other communication terminal that the other communication terminal joins or leaves the network. It may be.

  The communication method selection unit 123 determines which communication method is to be used among the communication methods supported by the communication unit 110 of the own wireless communication terminal (available in the communication unit 110). The communication method selection unit 123 acquires a list of communication terminals participating in the network from the participating terminal list 131 when there is a change in the participating terminal list 131. A communication method supported by participating communication terminals participating in this network is selected with reference to the corresponding communication method list 132. Furthermore, the communication method selection unit 123 instructs the communication unit 110 to switch the communication method to the determined communication method.

  Here, when there are a plurality of communication methods common to the communication terminals participating in the network, the communication method selection unit 123 may select the most suitable communication method among them, for example. A suitable communication method may be defined by any standard such as high throughput, small communication delay, small jitter, low packet loss, strong received radio wave intensity, and low power consumption. Alternatively, when a priority is set for each communication method in advance, a communication method with a higher priority may be defined as a more suitable communication method.

  The application 140 provides a user with a function using communication with another communication terminal. The application 140 may provide a function of sharing various data such as documents, texts, mails, messages, moving images, images, music, measurement data, and programs with other communication terminals. Alternatively, the application 140 may provide a voice call or video call function with another communication terminal. The application 140 may be implemented as an OS function, or may be implemented as software that operates on the OS. A plurality of applications 140 may exist. Further, the plurality of applications 140 may operate in parallel.

  FIG. 6 is a flowchart showing an operation when the communication terminal according to the first embodiment joins the network. FIG. 7 is a flowchart showing an operation when the communication terminal according to the first embodiment is participating in the network.

  In S101 of FIG. 6, when the communication terminal joins the network, first, the control unit 121 instructs the communication unit 110 to connect to any other communication terminal in the network using any communication method.

  In S102, the participating terminal management unit 122 acquires a list of terminals participating in the network from other connected communication terminals.

  In S103, the list of terminals acquired in S102 is stored in the participating terminal list 131.

  In S104, the communication method selection unit 123 refers to the participating terminal list 131 and the corresponding communication method list 132, extracts a communication method common to the communication terminals participating in the network, and sets the communication method to the common communication method. An instruction is given to the communication unit 110 to switch. As a result, the communication unit 110 switches the communication method.

  Next, the operation when the communication terminal in the first exemplary embodiment is participating in the network will be described with reference to FIG.

  In S201, when the communication terminal is participating in the network, the participating terminal management unit 122 acquires a list of terminals participating in the network regularly or irregularly.

  In S202, it is determined whether or not a change has occurred in the participating terminals participating in the network.

  If No in S202, that is, if no change has occurred in the participating terminals, nothing is done.

  In the case of Yes in S202, that is, when a change has occurred in the participating terminals, the participating terminal management unit 122 updates the participating terminal list 131 (S203).

  After S203, in S204, the communication method selection unit 123 refers to the participating terminal list 131 and the corresponding communication method list 132, extracts a communication method common to the terminals participating in the network, and sets the common communication method. The communication unit is instructed to switch the communication method. As a result, the communication unit 110 switches the communication method.

  As described above, according to the first exemplary embodiment, each communication terminal participating in the network uses a common communication method, and mutual communication is possible between the communication terminals.

[Second exemplary embodiment]
FIG. 8 shows a configuration of a communication terminal according to the second exemplary embodiment.

  The communication terminal according to the second exemplary embodiment includes a communication unit 110, an arithmetic processing unit 220, a storage device 130, and an application 140. Among these, since the communication unit 110, the storage device 130, and the application 140 have the same functions as those of the first exemplary embodiment, detailed description thereof is omitted. However, it is assumed that the supported communication method list 132 included in the storage device 130 is input by the supported communication method management unit 224 described later in the present embodiment.

  The arithmetic processing unit 220 includes a control unit 121, a participating terminal management unit 122, a corresponding communication method management unit 224, and a communication method selection unit 123 as functions realized by the arithmetic processing unit 220. Each function realized by the arithmetic processing unit 220 may operate in parallel. Among these, since the control part 121, the participating terminal management part 122, and the communication system selection part 123 have a function similar to 1st exemplary embodiment, detailed description is abbreviate | omitted.

  The supported communication method management unit 224 manages the communication methods supported by each communication terminal participating in the network, and updates the supported communication method list 132. The corresponding communication method management unit 224 periodically instructs the communication unit 110 to publicize (broadcast), for example, the identifier of the own communication terminal and the communication method corresponding to the own communication terminal to other peripheral communication terminals. In addition, the corresponding communication method management unit 224 may periodically add the identifiers of the other communication terminals and the information on the corresponding communication methods received by the communication unit 110 and store them in the corresponding communication method list 132. Alternatively, the corresponding communication method management unit 224 uses an information sharing method such as a flooding method or an epidemic method, shares information on the corresponding communication method of each communication terminal with other communication terminals, and updates the corresponding communication method list 132. It may be. Alternatively, the corresponding communication method management unit 224 may notify other communication terminals of the communication method supported by the own communication terminal when the own communication terminal joins the network.

  FIG. 9 is a flowchart showing an operation when the communication terminal according to the second exemplary embodiment joins the network. FIG. 10 is a flowchart showing an operation when the communication terminal according to the second embodiment is participating in the network.

  In S301 of FIG. 9, when a communication terminal joins a network, first, the control unit 121 instructs the communication unit 110 to connect to another communication terminal in the network using an arbitrary communication method.

  In S302, the participating terminal management unit 122 and the corresponding communication method management unit 224 respectively acquire a list of communication terminals participating in the network and a list of communication methods supported by each communication terminal from the other connected communication terminals. .

  In step S <b> 303, the acquired list of communication terminals and the list of communication methods are stored in the participating terminal list 131 and the corresponding communication method list 132.

  In S304, the communication method selection unit 123 refers to the participating terminal list 131 and the corresponding communication method list 132, extracts a communication method common to terminals participating in the network, and switches the communication method to the common communication method. The communication unit 110 is instructed. As a result, the communication method is switched in the communication unit.

  Next, the operation when the communication terminal in the second exemplary embodiment is participating in the network will be described with reference to FIG.

  In S401 of FIG. 10, when the communication terminal is participating in the network, the participating terminal management unit 122 acquires a list of terminals participating in the network regularly or irregularly.

  In S402, it is determined whether or not a change has occurred in the participating terminals participating in the network.

  In the case of No in S402, that is, when there is no change in the participating terminals, nothing is performed.

  In the case of Yes in S402, that is, when a change has occurred in the participating terminals, the participating terminal management unit 122 updates the participating terminal list 131 (S403).

  After S403, in S404, the corresponding communication method management unit 224 acquires the corresponding communication method information of the communication terminals participating in the network.

  In S405, the supported communication method list 132 is updated.

  In S406, the communication method selection unit 123 refers to the participating terminal list 131 and the corresponding communication method list 132, extracts a communication method common to terminals participating in the network, and switches the communication method to the common communication method. An instruction is issued to the communication unit 110. As a result, the communication unit 110 switches the communication method.

  As described above, according to the second exemplary embodiment, each communication terminal participating in the network uses a common communication method, and mutual communication is possible between the communication terminals.

  Further, according to the communication terminal of the second exemplary embodiment, the corresponding communication method management unit 224 collects information on the communication methods supported by the terminals participating in the network, and the corresponding communication method list 132. Save to. Therefore, it is not necessary to input in advance a communication method supported by each terminal.

[System configuration example]
FIG. 11 shows an example of a system configuration according to an exemplary embodiment.

  Terminal 1100-1 to terminal 1100-n and terminal 1200-1 to terminal 1200-n are communication terminals according to any of the exemplary embodiments.

  Terminals 1100-1 to 1100-n constitute a network 1000 based on inter-terminal communication. On the other hand, the terminals 1200-1 to 1200-n do not participate in the network 1000.

  When any one of the terminals 1200-1 to 1200-n participates in the network 1000, the terminals that participate in the network 1000 and the terminals 1100-1 to 1100-n are the terminals that participate in the network 1000 and A communication method that is commonly supported by the terminal 1100-1 to the terminal 1100-n is selected, and the communication method is switched to use the common communication method.

  Further, when any one of the terminals 1100-1 to 1100-n leaves the network 1000, the terminals 1100-1 to 1100-n excluding the terminals that have left the network 1000 leave the network 1000. A communication method that is commonly supported by terminals 1100-1 to 1100-n except for the terminal is selected, and the communication method is switched to use the common communication method.

[Outline of Communication Terminal According to Exemplary Embodiment]
FIG. 12 shows an overview of a communication terminal according to the exemplary embodiment described above.

  The wireless communication terminal 2000 includes a processor 2100 and a communication module 2200.

  The wireless communication terminal 2000 is configured to be connectable to at least one other wireless communication terminal different from the wireless communication terminal 2000.

  The processor 2100 is configured to share a list of a plurality of wireless communication terminals included in the wireless communication network with a plurality of other wireless communication terminals included in the wireless communication network. Further, the processor 2100 is configured to determine a communication method used in common by the plurality of wireless communication terminals included in the list of the plurality of shared wireless communication terminals from the plurality of communication methods.

  The communication module 2200 corresponds to at least one communication method, and can communicate with other wireless communication terminals by any one of the communication methods. The communication module 2200 can communicate with a plurality of other wireless communication terminals included in the wireless communication network using the communication method determined by the processor 2100.

  According to the wireless communication terminal according to the present embodiment, mutual communication is possible between the wireless communication terminals.

[Other exemplary embodiments]
The exemplary embodiments described above are also described herein with respect to wireless communication terminals. A wireless communication terminal can also be called a terminal, a wireless terminal, a mobile terminal, or a user terminal. The terminal is also a system, subscriber unit, subscriber station, mobile station, wireless terminal, mobile device, node, device, remote station, remote terminal, wireless communication device, wireless communication device, wireless communication device or user agent function May include some or all of sex. Terminals include cellular phones, cordless phones, session initiation protocol (SIP) phones, smartphones, wireless local loop (WLL) stations, personal digital assistants (PDAs), laptops, tablets, netbooks, smart books, handheld communication devices, handhelds It may be a computing device, a satellite radio, a wireless modem card and / or another processing device that communicates via a wireless system.

  Moreover, it is realizable by said radio | wireless communication terminal, a radio | wireless communications system, hardware, software, or these combination. The wireless communication method of the above wireless communication system can also be realized by hardware, software, or a combination thereof. Here, “realized by software” means realized by a computer reading and executing a program.

  The program may be stored using various types of non-transitory computer readable media and supplied to a computer. Non-transitory computer readable media include various types of tangible storage media. Examples of non-transitory computer-readable media are magnetic recording media (for example, flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (for example, magneto-optical disks), CD-ROMs (Compact Disc-Read Only Memory). CD-R (Compact Disc-Recordable), CD-R / W (Compact Disc-Rewritable), DVD-ROM (Digital Versatile Disc-ROM), DVD-R (Digital Versatile Disc-Recordable), DVD-R / W (Digital Versatile Disc-Rewritable), semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (Random Access Memory)).

  The program may also be supplied to the computer by various types of transitory computer readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves. The temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.

DESCRIPTION OF SYMBOLS 10 Network 20-24 Wireless communication terminal 100 Wireless communication terminal 110 Communication part 120 Arithmetic processing part 121 Control part 122 Participating terminal management part 123 Communication system selection part 130 Storage device 131 Participating terminal list 132 Corresponding communication system list 140 Application 200 Wireless communication terminal 220 Arithmetic Processing Unit 224 Corresponding Communication Method Management Unit 1000 Network 1100-1 to 1100-n Wireless Communication Terminal 1200-1 to 1200-n Wireless Communication Terminal 2000 Wireless Communication Terminal 2100 Processor 2200 Communication Module

Claims (8)

A wireless communication terminal in a wireless communication network including a plurality of wireless communication terminals,
Sharing the list of the plurality of wireless communication terminals with a plurality of other wireless communication terminals included in the wireless communication network;
A processor configured to determine a communication method to be commonly used by a plurality of wireless communication terminals included in the shared list of the plurality of wireless communication terminals;
A communication module configured to be able to communicate with the plurality of other wireless communication terminals included in the wireless communication network using the determined communication method;
A wireless communication terminal. The processor is
When there is a change in the list of the plurality of wireless communication terminals,
Configured to determine a communication method commonly used by wireless communication terminals included in the list of changed wireless communication terminals;
The wireless communication terminal according to claim 1. The processor is
When there are a plurality of communication methods commonly used by a plurality of wireless communication terminals included in the list of the plurality of wireless communication terminals, a communication method satisfying a predetermined criterion is selected from the plurality of communication methods. Composed,
The wireless communication terminal according to claim 1 or 2. The processor is
Configured to collect information on communication schemes usable by wireless communication terminals included in the wireless communication network;
The wireless communication terminal according to any one of claims 1 to 3. The processor is
When the first wireless communication terminal joins the wireless communication network,
A plurality of wireless communication terminals included in the wireless communication network in which the first wireless communication terminal has joined are configured to determine a communication method commonly used;
The radio | wireless communication terminal as described in any one of Claims 1 thru | or 4. A wireless communication terminal communication method in a wireless communication network including a plurality of wireless communication terminals,
Sharing the list of the plurality of wireless communication terminals with a plurality of other wireless communication terminals included in the wireless communication network;
A communication method used in common by a plurality of wireless communication terminals included in the shared list of the plurality of wireless communication terminals is determined from a plurality of communication methods,
Communicating with the plurality of other wireless communication terminals included in the wireless communication network using the determined communication method;
A communication method of a wireless communication terminal. A wireless communication system including a plurality of wireless communication terminals,
The wireless communication terminal is
A list of the plurality of wireless communication terminals is shared with a plurality of other wireless communication terminals included in the wireless communication system;
A communication method used in common by a plurality of wireless communication terminals included in the shared list of the plurality of wireless communication terminals is determined from a plurality of communication methods,
Configured to communicate with the plurality of other wireless communication terminals included in the wireless communication system using the determined communication method;
Wireless communication system. A program for causing a computer to execute a communication method of a wireless communication terminal in a wireless communication network including a plurality of wireless communication terminals,
Sharing the list of the plurality of wireless communication terminals with a plurality of other wireless communication terminals included in the wireless communication network;
A communication method used in common by a plurality of wireless communication terminals included in the shared list of the plurality of wireless communication terminals is determined from a plurality of communication methods,
Communicating with the plurality of other wireless communication terminals included in the wireless communication network using the determined communication method;
A program to do that.

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