JP2010193238A - Radio communication system and method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a radio communication system in which communication can be performed by easily forming a secure ad-hoc network over which communication can be performed only between selected terminals. <P>SOLUTION: Each of wireless image display terminals 103, 105, 107, 109 generates an identification ID specific for the terminal, generates and sets an SSID character string including the identification ID. A radio information terminal 101 extracts SSIDs of wireless image display terminals from an SSID list and generates an identification ID list from the identification IDs included in the SSID character strings. Further, an identification ID of any wireless image display terminal desired to communicate is selected from the identification ID list, and an SSID character string including the selected identification ID is generated and set. Each of the wireless image display terminals 103, 105, 107, 109 generates the SSID list and sets a detected SSID in the case where an SSID of the radio information terminal 101 including the identification ID of the terminal is detected. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention provides a wireless communication system that can easily form a secure network capable of communication only between selected terminals and perform communication in an ad hoc mode of a wireless local area network (LAN). And a wireless communication method.

2. Description of the Related Art Conventionally, with respect to a wireless communication system that enables communication between specific terminals, an ad hoc network is formed when an SSID (Service Set Identifier) of a predetermined character string is detected (Patent Document 1). ID) is assigned to the image, and the ID included in the image requested to be displayed is set as the SSID, and an ad hoc network is formed between terminals having the same ID as the SSID (Patent Literature) 2) is known.
JP 2002-198971 A JP 2008-124992 A

  By the way, in patent document 1 and 2, since all the terminals with the same ID will be taken in into the network, there existed a subject that data transmission / reception became possible also to the terminal which was not intended.

  The present invention has been made in view of the above circumstances, and provides a wireless communication system and a wireless communication method capable of easily forming a secure ad hoc network capable of communication only between selected terminals and performing communication. The purpose is to provide.

  In order to solve the above problems, a wireless communication system of the present invention is a wireless communication system in which a transmitting terminal forms an ad hoc network with a desired receiving terminal, and the receiving terminal has an identification ID unique to the terminal. A first SSID generation unit that generates an SSID, an SSID detection unit that detects an SSID of a transmitting terminal including the identification ID, an SSID generated by the first SSID generation unit, or an SSID detected by the SSID detection unit. A first wireless setting unit for setting, and the transmitting-side terminal includes a target terminal SSID list creating unit that creates a list of SSIDs of the receiving-side terminal including the identification ID, and a list of the identification IDs from the SSID list. An identification ID list creation unit for creating a list; and a receiving side terminal selection unit for selecting a desired identification ID from the list of identification IDs; A first 2SSID generator for generating an SSID that includes the identification ID selected, a second wireless setting unit that sets the generated the SSID, characterized by comprising a.

  The wireless communication system of the present invention is a wireless communication system in which a transmitting wireless terminal forms an ad hoc network only with a receiving wireless terminal that wants to communicate, and the receiving wireless terminal specifies the receiving wireless terminal. An SSID character string including an identification ID generation unit that generates a unique identification ID, a first identifier indicating that the identification ID is generated by the identification ID generation unit, and a reception-side wireless terminal. A first SSID generation unit to be generated, and an SSID detection unit that searches for an SSID of a wireless terminal existing in the communication environment and detects an SSID that includes the second identifier indicating that it is a communication request and the identification ID of the first terminal And a first wireless setting unit that sets the SSID generated by the first SSID generation unit and the SSID detected by the SSID detection unit. The transmission-side wireless terminal searches for the SSID of the wireless terminal existing in the communication environment and extracts the SSID including the first identifier, and the target wireless terminal SSID list An identification ID list generation unit that extracts the identification ID included in the SSID character string from the SSID list created by the creation unit, and a receiver wireless that wants to communicate from the list generated by the identification ID list generation unit A receiving-side radio terminal selection unit for selecting a terminal, and the second identifier indicating that each of the identification ID and communication request of the receiving-side radio terminal selected by the receiving-side radio terminal selection unit is a communication request A second SSID generation unit that generates an SSID character string composed of: a second SSID generated by the second SSID generation unit And when the transmission side wireless terminal selects a reception side wireless terminal to which data is to be transmitted by the reception side wireless terminal selection unit, the reception side selected by the second SSID generation unit A SSID character string including the identification ID of each wireless terminal is generated, the SSID generated by the second SSID character string is set by the second wireless setting unit, and the receiving wireless terminal is When the SSID including the second identifier and the identification ID held by itself is detected, the SSID detected by the SSID detection unit is set by the first wireless setting unit.

  Furthermore, the wireless communication method of the present invention is a wireless communication method in which a transmitting terminal forms an ad hoc network with a desired receiving terminal, and the receiving terminal generates an SSID including an identification ID unique to the terminal. A first SSID generation step; a first wireless setting step for setting the generated SSID; a target terminal SSID list creation step for creating a list of SSIDs of the reception side terminal including the identification ID in the transmission side terminal; An identification ID list generating step for creating a list of identification IDs from a list of SSIDs, a receiving terminal selection step for selecting a desired identification ID from the list of identification IDs, and an SSID including the selected identification IDs A second SSID generation step for generating the SSID, and a second wireless setting step for setting the generated SSID. And, at the receiving terminal, an SSID detection step for detecting an SSID set in the second radio setting step and including an identification ID unique to the terminal, and a third radio setting step for setting the detected SSID It is characterized by comprising.

  Also, the wireless communication method of the present invention is a wireless communication method in which the transmitting wireless terminal constructs an ad hoc network only with the receiving wireless terminal that wants to communicate, and the receiving wireless terminal is the receiving wireless terminal. An SSID character including an identification ID generation step for generating a unique identification ID for identifying the ID, a first identifier indicating that the identification ID is generated by the identification ID generation step, and a receiving side wireless terminal A first SSID generation step for generating a sequence; and an SSID for searching for an SSID of a wireless terminal existing in the communication environment, and detecting an SSID including the second identifier indicating that it is a communication request and the identification ID held by itself Set the SSID generated by the detection step and the first SSID generation step and the SSID detected by the SSID detection step. A first wireless setting step, wherein the transmitting wireless terminal searches for an SSID of a wireless terminal existing in a communication environment, and extracts an SSID including the first identifier. Generated by the creation step, the identification ID list generation step for extracting the identification ID included in the SSID character string from the SSID list created by the target wireless terminal SSID list creation step, and the identification ID list generation step From the list, a reception-side wireless terminal selection step for selecting a reception-side wireless terminal to perform communication, and each identification ID and communication request possessed by the reception-side wireless terminal selected by the reception-side wireless terminal selection step A second SSID that generates an SSID character string that includes the second identifier indicating a certain thing And a second wireless setting step for setting the SSID generated by the second SSID generation step. The reception wireless terminal is to receive data to be transmitted by the reception wireless terminal selection step. When the side wireless terminal is selected, the second SSID generation step generates an SSID character string including the identification ID of each of the selected reception side wireless terminals, and the SSID generated by the second SSID character string is used as the second wireless terminal. In the setting step, when the receiving wireless terminal detects an SSID including the second identifier and the identification ID of the receiving wireless terminal in the SSID detecting step, the receiving wireless terminal detects the SSID detected in the SSID detecting step. It is characterized by setting in the wireless setting step.

  As described above, according to the present invention, in the wireless LAN ad-hoc mode, it is possible to easily form a secure network capable of communication only between selected terminals and to perform an advantageous effect.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
FIG. 1 is an explanatory diagram showing a wireless communication environment including a wireless communication system according to an embodiment of the present invention. The wireless communication environment 100 includes other wireless image display terminals 109 in addition to a wireless communication system including a wireless information terminal 101 serving as a transmission-side wireless terminal and wireless image display terminals 103, 105, and 107 serving as reception-side wireless terminals. Etc. is a wireless network environment.

  The wireless information terminal 101 is a personal computer, for example, and the communication unit 102 has a built-in wireless LAN module or is externally attached via a slot.

  The communication unit 102 communicates with the wireless image display terminals 103, 105, 107, and 109, and is used for transmission / reception of each packet.

  The wireless image display terminals 103, 105, 107, and 109 are, for example, projectors, and wireless LAN modules are built in the communication units 104, 106, 108, and 110 of the wireless image display terminals.

  The communication units 104, 106, 108, and 110 communicate with each wireless terminal including the wireless information terminal 101 and are used for transmission / reception of each packet.

  The wireless information terminal 101 and the wireless image display terminals 103, 105, and 107 communicate with each other in an ad hoc mode.

  In the ad hoc mode, each wireless terminal periodically transmits its own SSID information on a beacon, while periodically scanning each channel to search for wireless terminals having the same SSID. When the SSID is detected, communication is started on the channel where the SSID is detected.

  If the same SSID is not detected as a result of scanning, communication is started on the channel currently set for the wireless terminal. Therefore, the wireless terminal activated later with the SSID follows the channel set by the wireless terminal activated first with the SSID.

  FIG. 2 is a block diagram schematically showing a part of the configuration of the wireless image display terminals 103, 105, 107, and 109. The wireless image display terminals 103, 105, 107, and 109 include a control unit 201, a communication unit 202, an identification ID generation unit 203, an SSID generation unit 204, an SSID list creation unit 205, an SSID detection unit 206, and a wireless setting unit 207.

  The control unit 201 is a part that receives information from each part and determines a process to be performed next.

  The communication unit 202 is a part that transmits and receives each packet such as a beacon.

  The identification ID generation unit 203 is a part that generates an ID unique to the terminal.

  The SSID generation unit 204 is a part that generates an SSID composed of an identifier indicating that the terminal is a wireless image display terminal and the identification ID generated by the identification ID generation unit 203.

  The SSID list creation unit 205 makes a probe request in each channel, receives a probe response to the request, and acquires SSID information included in the DS parameter in the received probe response, so that the wireless terminals existing around the Create a list of SSIDs.

  The SSID detection unit 206 has an identifier indicating that it is a communication request from a wireless information terminal in the SSID list of wireless terminals existing in the vicinity created by the SSID list creation unit 205 and the wireless image display terminal thereof. This is a part for detecting whether or not an SSID including an identification ID exists.

  The wireless setting unit 207 is a part that sets the SSID in the wireless LAN modules 104, 106, 108, and 110.

  FIG. 3 is a block diagram schematically showing a part of software introduced by installing an application attached to the wireless image display terminals 103, 105, 107, and 109 in the wireless information terminal 101. The wireless information terminal 101 includes a control unit 301, a communication unit 302, an SSID list creation unit 303, a wireless image display terminal SSID list creation unit 304, a wireless image display terminal identification ID list creation unit 305, a wireless image display terminal selection unit 306, and an SSID. A generation unit 307 and a wireless setting unit 308 are provided.

  The control unit 301 receives information from each part and determines a process to be performed next.

  The communication unit 302 is a part that transmits and receives each packet such as a beacon.

  The SSID list creation unit 303 makes a probe request in each channel, receives a probe response to the request, and acquires SSID information included in the DS parameter in the received probe response, so that the wireless terminals existing in the vicinity Create a list of SSIDs.

  The wireless image display terminal SSID list creation unit 304 extracts, from the SSID list created by the SSID list creation unit 303, only the SSID that includes an identifier indicating that the wireless image display terminal 103, 105, 107, 109 is the SSID. This is a part for creating a list of SSIDs of wireless image display terminals existing in the vicinity.

  The wireless image display terminal identification ID list creation unit 305 is a part that converts the SSID list created by the wireless image display terminal SSID list creation unit 304 into an identification ID list of wireless image display terminals included in the SSID.

  The wireless image display terminal selection unit 306 allows the user to select an identification ID of a wireless image display terminal to be communicated from the wireless image display terminal identification ID list created by the wireless image display terminal identification ID list creation unit 305. Part of the user interface for

  The SSID generation unit 307 is a part that generates an SSID composed of each identification ID of the wireless image display terminal selected by the user by the wireless image display terminal selection unit 306 and an identifier indicating a communication request.

  The wireless setting unit 308 is a part for setting the SSID in the wireless LAN module 102.

  An actual sequence in the radio communication system of the present embodiment configured as described above will be described with reference to FIGS.

  FIG. 4 is a flowchart showing an ad hoc network participation determination program for the wireless image display terminals 103, 105, 107, and 109, which are reception-side wireless terminals.

  When the wireless image display terminals 103, 105, 107, and 109 are activated, the control unit 201 instructs the identification ID generation unit 203 to generate an identification ID that is unique to the terminal.

  The identification ID generation unit 203 generates an identification ID that is unique to the terminal based on the MAC address of the wireless image display terminal (S401).

  When the generation of the identification ID is completed, the control unit 201 next instructs the SSID generation unit 204 to generate an SSID character string composed of the generated identification ID.

  The SSID generation unit 204 generates an SSID character string by adding an identifier indicating that it is a wireless image display terminal to the identification ID generated by the identification ID generation unit 203 (S402).

  FIG. 6 shows an example of the SSID, in which 601 is an identifier indicating that it is a wireless image display terminal, and 602 is an identification ID.

  When the generation of the SSID character string is completed, the control unit 201 next instructs the wireless setting unit 207 to set the SSID generated by the SSID generation unit 204.

  The wireless setting unit 207 sets the SSID generated by the SSID generation unit 204 in the wireless LAN modules 104, 106, 108, and 110 (S403).

  When the setting of the SSID is completed, the control unit 201 instructs the SSID list creation unit 205 to create an SSID list of surrounding wireless terminals.

  The SSID list creation unit 205 makes a probe request in each channel, receives a probe response to the request, and acquires SSID information included in the DS parameter in the received probe response, so that the SSID list of the surrounding wireless terminals Is created (S404).

  When the creation of the SSID list is completed, the control unit 201 instructs the SSID detection unit 206 from the SSID list created by the SSID list creation unit 205 and an identifier indicating that it is a communication request of the wireless information terminal 101 and its own. It is instructed to detect the SSID including the identification ID it has.

  The SSID detection unit 206 checks whether or not there is an SSID in the SSID list created by the SSID list creation unit 205 that includes an identifier indicating a communication request of the wireless information terminal 101 and its own identification ID. (S405).

  When the corresponding SSID is detected by the SSID detection unit 206, the control unit 201 instructs the wireless setting unit 207 to set the detected SSID.

  The wireless setting unit 207 sets the SSID detected by the SSID detection unit 206 in the wireless LAN modules 104, 106, 108, and 110 (S406).

  When the corresponding SSID is not detected by the SSID detection unit 206, the process from S404 to S405 is repeated every specified time, for example, every 5 seconds, until the corresponding SSID is detected.

  FIG. 5 is a flowchart illustrating a program in which the wireless information terminal 101 serving as a transmitting wireless terminal forms an ad hoc network only with a wireless image display terminal that performs communication.

  When the wireless information terminal 101 starts the software, the control unit 301 instructs the SSID list creation unit 303 to create an SSID list of surrounding wireless terminals.

  The SSID list creation unit 303 makes a probe request in each channel, receives a probe response to the probe response, and acquires SSID information included in the DS parameter in the received probe response, so that the SSID list of the surrounding wireless terminals Is created (S501).

  When the creation of the SSID list is completed, the control unit 301 creates a list of only the SSIDs of the wireless image display terminals from the SSID list created by the SSID list creation unit 303 to the wireless image display terminal SSID list creation unit 304. Order to do.

  The wireless image display terminal SSID list creation unit 304 extracts an SSID including an identifier indicating that it is a wireless image display terminal from the SSID list created by the SSID list creation unit 303, and creates a wireless image display terminal SSID list. (S502).

  When the creation of the wireless image display terminal SSID list is completed, the control unit 301 sends a wireless image to the wireless image display terminal identification ID list creation unit 305 from the SSID list created by the wireless image display terminal SSID list creation unit 304. An instruction is given to create an identification ID list of the display terminals.

  The wireless image display terminal identification ID list creation unit 305 extracts the wireless image display terminal identification ID from each SSID character string from the SSID list created by the wireless image display terminal SSID list creation unit, and identifies the wireless image display terminal By replacing with the ID list, a wireless image display terminal identification ID list is created (S503).

  When the creation of the wireless image display terminal identification ID list is completed, the control unit 301 creates a wireless image display terminal identification ID list for the wireless image display terminal selection unit 306 by the wireless image display terminal identification ID list creation unit. Command to update the identification ID list.

  The wireless image display terminal selection unit 306 updates the wireless image display identification ID list currently displayed on the user interface to the identification ID list created by the wireless image display terminal identification ID list creation unit 305 (S504).

  When the user selects the wireless image display terminals 103, 105, and 107 through the user interface, the wireless image display terminal selection unit 306 notifies the control unit 301 that the wireless image display terminal has been selected. The identification IDs of the selected wireless image display terminals 103, 105, and 107 are also notified (S505).

  When the control unit 301 receives the notification of the identification ID of the selected wireless image display terminals 103, 105, and 107 from the wireless image display terminal selection unit 306, the control unit 301 sends the selected wireless image display terminal to the SSID generation unit 307. Command to generate an SSID character string composed of the identification IDs 103, 105, and 107.

  The SSID generation unit 307 communicates the identification ID of the selected wireless image display terminals 103, 105, and 107 notified from the wireless image display terminal selection unit 306 to the control unit 301, from the wireless information terminal to the wireless image display terminal. An SSID character string is generated by adding an identifier indicating that it is a request (S506).

  FIG. 7 shows an example of the SSID, in which 701 is an identifier indicating a communication request from the wireless information terminal to the wireless image display terminal, and 702 is an identification ID of each selected wireless image display terminal.

  When the generation of the SSID character string is completed, the control unit 301 next instructs the wireless setting unit 308 to set the SSID generated by the SSID generation unit 307.

  The wireless setting unit 308 sets the SSID generated by the SSID generation unit 307 in the wireless LAN module 102 (S507).

  The wireless image display terminal selection unit 306 waits for a predetermined time, for example, for 5 s, and during that time, if the user does not select a wireless image display terminal, S501 to S505 are executed again, and this is repeated.

  Therefore, the wireless information terminal generates a SSID character string composed of the identification ID of the wireless image display terminal that wants to communicate, and only sets the generated SSID. An ad hoc network can be easily formed and communicated.

  Accordingly, as shown in FIG. 1, even in a wireless communication environment having a plurality of wireless image display terminals, it is possible to easily form a secure ad hoc network capable of communication only between selected terminals and perform communication.

  The wireless communication system of the present invention can easily form a secure ad hoc network that can communicate only with a selected receiving wireless terminal among a plurality of receiving wireless terminals, so that a network can be formed only between specific terminals. It is useful for a wireless communication system and a wireless communication method to be formed.

The figure which shows the radio | wireless communication environment of one embodiment of this invention The block diagram which shows the outline of the radio | wireless image display terminal of one embodiment of this invention The block diagram which shows the outline of the radio | wireless information terminal of one embodiment of this invention Network participation sequence diagram of wireless image display terminal according to one embodiment of the present invention FIG. 2 is a sequence diagram of network formation of the wireless information terminal according to the embodiment of the present invention. The figure which shows an example of SSID which the wireless image display terminal of one embodiment of this invention produces | generates The figure which shows an example of SSID which the wireless information terminal of one embodiment of this invention produces | generates

101 wireless information terminal 102, 104, 106, 108, 110 communication unit 103, 105, 107, 109 wireless image display terminal 201 control unit 202 communication unit 203 identification ID generation unit 204 SSID generation unit 205 SSID list generation unit 206 SSID detection unit 207 Wireless setting unit 301 Control unit 302 Communication unit 303 SSID list creation unit 304 Wireless image display terminal SSID list creation unit 305 Wireless image display terminal identification ID list creation unit 306 Wireless image display terminal selection unit 307 SSID generation unit 308 Wireless setting unit 601 An identifier 601 that indicates a wireless image display terminal
701 Identifier indicating a communication request 702 Identification ID of the selected wireless image display terminal

Claims (6)

A wireless communication system in which a transmitting terminal forms an ad hoc network with a desired receiving terminal,
The receiving terminal includes a first SSID generation unit that generates an SSID including an identification ID unique to the terminal;
An SSID detection unit for detecting the SSID of the transmitting terminal including the identification ID;
A first wireless setting unit configured to set the SSID generated by the first SSID generation unit or the SSID detected by the SSID detection unit,
The sending terminal
A target terminal SSID list creating unit for creating a list of SSIDs of the receiving side terminal including the identification ID;
An identification ID list creation unit that creates the list of identification IDs from the list of SSIDs;
A receiving-side terminal selection unit that selects a desired identification ID from the list of identification IDs;
A second SSID generation unit that generates an SSID including the selected identification ID;
A second wireless setting unit for setting the generated SSID;
A wireless communication system comprising: A wireless communication system in which a transmitting wireless terminal forms an ad hoc network only with a receiving wireless terminal that wants to communicate,
The receiving wireless terminal is
An identification ID generator for generating a unique identification ID for identifying the receiving wireless terminal;
A first SSID generation unit that generates an SSID character string that includes the identification ID generated by the identification ID generation unit and a first identifier that indicates a reception-side wireless terminal;
A SSID detection unit that searches for an SSID of a wireless terminal that exists in the communication environment and detects an SSID that includes the second identifier indicating that it is a communication request and the identification ID that the device has;
A first wireless setting unit configured to set the SSID generated by the first SSID generation unit and the SSID detected by the SSID detection unit;
The transmitting side wireless terminal configured to include:
A target wireless terminal SSID list creation unit that searches for an SSID of a wireless terminal existing in a communication environment and extracts an SSID including the first identifier;
An identification ID list creation unit that extracts the identification ID included in the SSID character string from the SSID list created by the target wireless terminal SSID list creation unit;
A receiving-side wireless terminal selection unit for selecting a receiving-side wireless terminal that wants to communicate from the list generated by the identification ID list generating unit;
A second SSID generation unit that generates an SSID character string that includes each identification ID of the reception side wireless terminal selected by the reception side wireless terminal selection unit and the second identifier that indicates a communication request. When,
A second wireless setting unit for setting the SSID generated by the second SSID generation unit;
Comprising
When the transmission side wireless terminal selects a reception side wireless terminal to which data is to be transmitted by the reception side wireless terminal selection unit, the SSID including the identification ID of each of the selected reception side wireless terminals by the second SSID generation unit A character string is generated, the SSID generated by the second SSID character string is set by the second wireless setting unit, and the receiving wireless terminal receives the second identifier and the identification ID held by itself by the SSID detection unit. A wireless communication system, wherein when an SSID is detected, the SSID detected by the SSID detector is set by the first wireless setting unit. 3. The wireless communication system according to claim 1, wherein the transmitting wireless terminal constructs a wireless network only with the receiving wireless terminal selected by the receiving wireless terminal selection unit. The wireless communication system according to any one of claims 1 to 3, wherein the transmitting wireless terminal is a personal computer and the receiving wireless terminal is a projector. A wireless communication method in which a transmitting terminal forms an ad hoc network with a desired receiving terminal,
A first SSID generation step of generating an SSID including an identification ID unique to the terminal at the receiving terminal;
A first wireless setting step for setting the generated SSID;
In the transmitting terminal, a target terminal SSID list creating step of creating a list of SSIDs of the receiving terminal including the identification ID;
An identification ID list generation step of creating a list of identification IDs from the list of SSIDs;
A receiving terminal selection step of selecting a desired identification ID from the list of identification IDs;
A second SSID generation step of generating an SSID including the selected identification ID;
A second wireless setting step for setting the generated SSID;
In the receiving terminal, an SSID detecting step of detecting an SSID that is set by the second wireless setting step and includes an identification ID unique to the terminal;
And a third wireless setting step for setting the detected SSID. A wireless communication method in which a transmitting wireless terminal constructs an ad hoc network only with a receiving wireless terminal that wants to communicate,
The receiving wireless terminal is
An identification ID generating step for generating a unique identification ID for identifying the receiving wireless terminal;
A first SSID generation step for generating an SSID character string including the identification ID generated by the identification ID generation step and a first identifier indicating that the ID is a reception-side wireless terminal;
A SSID detection step of searching for an SSID of a wireless terminal existing in the communication environment, and detecting an SSID including the second identifier indicating that it is a communication request and the identification ID held by itself;
A first wireless setting step for setting the SSID generated by the first SSID generation step and the SSID detected by the SSID detection step;
The transmitting side wireless terminal configured to include:
A target wireless terminal SSID list creation step of searching for an SSID of a wireless terminal existing in a communication environment and extracting an SSID including the first identifier;
An identification ID list generation step for extracting the identification ID included in the SSID character string from the SSID list created by the target wireless terminal SSID list creation step;
From the list generated by the identification ID list generation step, a reception side wireless terminal selection step for selecting a reception side wireless terminal to communicate with,
A second SSID generation step of generating an SSID character string including the respective identification IDs of the reception side wireless terminals selected in the reception side wireless terminal selection step and the second identifier indicating a communication request. When,
A second wireless setting step for setting the SSID generated by the second SSID generation step;
Comprising
When the transmitting wireless terminal selects a receiving wireless terminal to transmit data in the receiving wireless terminal selection step, the SSID including the identification ID of each of the selected receiving wireless terminals in the second SSID generation step A character string is generated, the SSID generated by the second SSID character string is set by the second wireless setting step, and the receiving wireless terminal uses the second identifier and the identification ID held by itself by the SSID detection step. A wireless communication method comprising: setting an SSID detected in the SSID detection step in the first wireless setting step when an SSID is detected.

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