JP5786201B2 - Wireless communication system, wireless communication method, portable terminal, information processing apparatus, and program - Google Patents

Wireless communication system, wireless communication method, portable terminal, information processing apparatus, and program Download PDF

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JP5786201B2
JP5786201B2 JP2011053864A JP2011053864A JP5786201B2 JP 5786201 B2 JP5786201 B2 JP 5786201B2 JP 2011053864 A JP2011053864 A JP 2011053864A JP 2011053864 A JP2011053864 A JP 2011053864A JP 5786201 B2 JP5786201 B2 JP 5786201B2
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wireless communication
information processing
processing apparatus
information
dimensional code
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JP2012191472A (en
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勇夫 日野
勇夫 日野
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日本電気株式会社
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Description

  The present invention relates to a wireless communication system, a wireless communication method, a portable terminal, an information processing apparatus, and a program.

In order for a user to connect an information processing apparatus or the like to a wireless local area network (LAN), various settings must be made in advance, and the user needs some knowledge for connection.
An example of a system that facilitates setting between a wireless LAN terminal and a wireless LAN relay device is described in Patent Document 1. The system of Patent Literature 1 tells the access point the encryption methods that can be supported by the terminal, narrows down based on the transmitted encryption method, determines the encryption key to be used, and transmits it to the terminal. Set up. The access point selects an encryption method based on a predetermined security policy, and sets the encryption method and the determined encryption key. In this way, in Patent Document 1, new addition of a terminal using a wireless LAN is realized by a simple method while preventing leakage of data representing an encryption key.

  Patent Document 2 and Patent Document 3 describe examples of a home communication device and a mobile terminal that automatically set a wireless LAN of the mobile terminal. The in-home communication devices of Patent Literature 2 and Patent Literature 3 allow the mobile terminal itself to read configuration information held in the in-home communication device including a modem and a router, thereby allowing the mobile terminal itself to set up an application such as a wireless LAN or VoIP Settings can be made automatically. The home communication device wears a QR (Quick Response) code in which configuration information is recorded or displays it on a display. The portable terminal reads the QR code using a QR code reader, decodes it to acquire configuration information, and performs setting. The mobile terminal automatically set in this way can perform wireless LAN communication via the home communication device.

  An example of a system for setting wireless LAN communication between a projector and a portable terminal is described in Patent Document 4. In the image display system disclosed in Patent Document 4, the connection information necessary for the projector to access the projector via the wireless LAN is two-dimensionally encoded and projected. The portable terminal captures the code and performs setting using connection information obtained by image analysis, thereby enabling wireless LAN communication between the projector and the portable terminal. Similarly, in the network projector system described in Patent Document 5, the projector projects the connection information on the screen, the mobile terminal images the image, and the communication setting is performed based on the connection information obtained by analyzing the image. Enable wireless communication.

JP 2005-175524 A JP 2006-157814 A JP 2006-157815 A JP 2007-31179 A JP 2009-267578 A

  However, the technique described in Patent Document 1 described above requires that the wireless LAN terminal and the wireless LAN relay device respectively adopt this system, and is still used in devices that do not employ this system. There is a problem that the user needs to make settings before using the wireless LAN, and the user needs some knowledge. And if the wrong setting is selected due to lack of knowledge of the user, there is a possibility that the setting considering security may be leaked, and there is a possibility that it may be attacked by a malicious user .

  Further, the technologies described in Patent Documents 2 to 5 described above realize wireless LAN communication between a portable terminal having a mechanism for reading a QR code and a home communication device or a projector, and read the QR code. There is a problem that it is difficult to apply to a PC (Personal Computer) without a mechanism.

  An object of the present invention is to provide a wireless communication system, a wireless communication method, a portable terminal, an information processing apparatus, and a program that solve the difficulty of setting that ensures safety in wireless LAN communication, which is the above-described problem. is there.

The wireless communication system of the present invention includes:
An information processing device;
Includes a mobile terminal, the,
The information processing apparatus includes:
First wireless communication means for connecting to a network via an access point and performing wireless communication in accordance with predetermined connection conditions;
Generating means for generating a two-dimensional code in which information of the connection condition is recorded;
Presenting means for presenting the generated two-dimensional code,
The portable terminal is
A second wireless communication means for connecting to the network and performing wireless communication;
Code reading means for reading the two-dimensional code presented by the information processing apparatus;
An acquisition means for analyzing the read two-dimensional code and acquiring the connection condition information;
Communication control means for constructing a function as the access point of the information processing apparatus based on the acquired information of the connection condition, and controlling wireless communication between the second wireless communication means and the information processing apparatus; Have
The connection condition includes a setting for wirelessly connecting the information processing apparatus to the network, at least one of a wireless communication connection method, a security level, and a wireless LAN standard,
The first wireless communication unit of the information processing apparatus connects the mobile terminal to the network as the access point, and performs wireless communication according to the connection condition.

The portable terminal of the present invention is
A wireless communication means for connecting to a network and performing wireless communication;
Code reading means for reading a two-dimensional code in which information of a predetermined connection condition for wirelessly connecting the information processing apparatus to the network is recorded;
An acquisition means for analyzing the read two-dimensional code and acquiring the connection condition information;
Based on the obtained information of the connection conditions, to build the function of the access point of the information processing apparatus, Bei example and a communication control means for controlling radio communication between said information processing apparatus said radio communication means,
The connection condition includes a setting for the information processing apparatus to wirelessly connect to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .

The information processing apparatus of the present invention
Generating means for generating a two-dimensional code in which information of a predetermined connection condition for wirelessly connecting to a network is recorded;
Presenting means for presenting the generated two-dimensional code;
The portable terminal as an access point, in accordance with the connection conditions, connected to said network, Bei example and a wireless communication means for wireless communication,
The connection condition includes a setting for wirelessly connecting the information processing apparatus to the network, at least one of a wireless communication connection method, a security level, and a wireless LAN standard .

The first program of the present invention is:
A procedure for reading a two-dimensional code in which information of a predetermined connection condition for the information processing apparatus to wirelessly connect to the network is recorded;
Analyzing the read two-dimensional code and obtaining information on the connection condition;
In order to cause a computer to execute a procedure for constructing a function as an access point of the information processing apparatus based on the acquired information on the connection condition, connecting to the network, and controlling wireless communication with the information processing apparatus The program of
The connection condition includes a setting for the information processing apparatus to wirelessly connect to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .

The second program of the present invention is:
A procedure for generating a two-dimensional code in which information on predetermined connection conditions for wireless connection to a network is recorded;
A procedure for presenting the generated two-dimensional code;
A program for causing a computer to execute a procedure of connecting to the network and performing wireless communication according to the connection conditions using a mobile terminal as an access point ,
The connection condition includes a setting for wirelessly connecting to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .

The wireless communication method of the present invention includes:
An information processing device generates a two-dimensional code that records information on a predetermined connection condition for wireless connection to a network,
The information processing device presents the generated two-dimensional code,
A portable terminal reads the two-dimensional code presented by the information processing apparatus;
The mobile terminal analyzes the read two-dimensional code, acquires the connection condition information,
The mobile terminal builds a function as the access point of the information processing device based on the acquired information of the connection condition,
The information processing apparatus is a wireless communication method in which the mobile terminal is connected to the network as the access point and wirelessly communicates ,
The connection condition includes a setting for the information processing apparatus to wirelessly connect to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .

  It should be noted that any combination of the above-described constituent elements and a conversion of the expression of the present invention between a method, an apparatus, a system, a recording medium, a computer program, etc. are also effective as an aspect of the present invention.

  The various components of the present invention do not necessarily have to be independent of each other. A plurality of components are formed as a single member, and a single component is formed of a plurality of members. It may be that a certain component is a part of another component, a part of a certain component overlaps with a part of another component, or the like.

  Moreover, although the several procedure is described in order in the method and computer program of this invention, the order of the description does not limit the order which performs a several procedure. For this reason, when implementing the method and computer program of this invention, the order of the several procedure can be changed in the range which does not interfere in content.

  Furthermore, the plurality of procedures of the method and the computer program of the present invention are not limited to being executed at different timings. For this reason, another procedure may occur during the execution of a certain procedure, or some or all of the execution timing of a certain procedure and the execution timing of another procedure may overlap.

  According to the present invention, there are provided a wireless communication system, a wireless communication method, a portable terminal, an information processing apparatus, and a program that facilitate setting for ensuring safety in wireless LAN communication.

It is a functional block diagram which shows the structure of the radio | wireless communications system which concerns on embodiment of this invention. It is a block diagram which shows the structure of the computer which implement | achieves the information processing apparatus of the radio | wireless communications system which concerns on embodiment of this invention of FIG. It is a block diagram which shows the structure of the portable terminal of the radio | wireless communications system which concerns on embodiment of this invention of FIG. It is a flowchart which shows an example of operation | movement of the radio | wireless communications system which concerns on embodiment of this invention. It is a functional block diagram which shows the structure of the radio | wireless communications system which concerns on embodiment of this invention. It is a figure which shows an example of the setting screen of the radio | wireless communications system which concerns on embodiment of this invention. It is a flowchart which shows an example of the procedure of the update process of the setting file of the information processing apparatus of the radio | wireless communications system which concerns on embodiment of this invention. It is a flowchart which shows an example of operation | movement of the radio | wireless communications system which concerns on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In all the drawings, the same reference numerals are given to the same components, and the description will be omitted as appropriate.

(First embodiment)
FIG. 1 is a functional block diagram showing a configuration of a radio communication system 1 according to an embodiment of the present invention.
The wireless communication system 1 according to the present embodiment includes an information processing apparatus 100 and a mobile terminal 200 that functions as an access point of the information processing apparatus 100.
A wireless communication system 1 according to an embodiment of the present invention uses an information processing apparatus 100 having a wireless LAN (Local Area Network) communication interface via a mobile terminal 200 that functions as an access point, such as a LAN or the Internet. Connect to network 3.

  In the present embodiment, the information processing apparatus 100 is connected to the network 3 via an access point according to a predetermined connection condition, and generates a two-dimensional code in which information on the connection condition is recorded with the wireless communication unit 102 that performs wireless communication. It has the production | generation part 104 and the presentation part 106 which presents the produced | generated two-dimensional code.

The mobile terminal 200 is connected to the network 3 and wirelessly communicates with the wireless communication unit 202, the code reading unit 204 that reads the two-dimensional code presented by the information processing apparatus 100, and the read two-dimensional code, Communication that controls the wireless communication between the wireless communication unit 202 and the information processing apparatus 100 by constructing a function as an access point of the information processing apparatus 100 based on the acquisition unit 206 that acquires information and the acquired connection condition information And a control unit 208.
Then, the wireless communication unit 102 of the information processing apparatus 100 connects the mobile terminal 200 to the network 3 as an access point, and performs wireless communication according to the connection conditions.

  As shown in FIG. 2, the information processing apparatus 100 includes, for example, a CPU (Central Processing Unit) 120, a memory 122, a hard disk 124, and a communication device (antenna 127, wireless LAN communication unit 126), such as a keyboard and a mouse. It can be realized by using a server computer or a personal computer (PC) connected to the input device 150, a display device 152 such as a display, an output device (not shown) such as a printer, or a device corresponding thereto. . The information processing apparatus 100 further includes an operation reception unit 128 that receives an input from the input device 150 and a display control unit 130 that performs display control of the display device 152.

  These elements of the information processing apparatus 100 are connected to each other via a bus 134. The CPU 120 controls the entire information processing apparatus 100 together with the elements connected via the bus 134. The CPU 120 reads out the program stored in the hard disk 124 to the memory 122 and executes it, whereby each function of each unit of the information processing apparatus 100 in FIG. 1 can be realized. In addition, in each figure, it has abbreviate | omitted about the structure of the part which is not related to the essence of this invention, and is not showing in figure.

  The computer program of the information processing apparatus 100 according to the present embodiment may be recorded on a computer-readable recording medium. The recording medium is not particularly limited, and various forms can be considered. The program may be loaded from a recording medium into the memory 122 (FIG. 2) of the computer (information processing apparatus 100), or downloaded to the computer (information processing apparatus 100) via the network 3 connected by a wired LAN. 122 may be loaded.

  Returning to FIG. 1, in the information processing apparatus 100, the wireless communication unit 102 uses the antenna 127 and the wireless LAN communication unit 126 of FIG. 2 to perform wireless LAN communication with the mobile terminal 200 according to predetermined connection conditions, for example, IEEE ( The Institute of Electrical and Electronic Engineers) performs communication conforming to standards such as 802.11b, IEEE802.11a, IEEE802.11g, etc., and connects to the network 3 using the mobile terminal 200 as an access point for wireless communication.

  The predetermined connection condition includes various setting items for the information processing apparatus 100 to connect to the network 3 wirelessly. For example, the predetermined connection condition includes a wireless communication connection method and a security level, for example, necessity or type of encryption, and these can be set in advance according to a user's security policy.

  The connection method can be set, for example, by selecting a wireless LAN standard such as WPA (Wi-Fi Protected Access) or WPA-PSK (Wi-Fi Protected Access Pre-Shared Key), or by not specifically limiting the method.

  Also, it is possible to select and set the encryption necessity and encryption methods such as WEP (Wired Equivalent Privacy) and AES (Advanced Encryption Standard). It is also possible to set an encryption key when performing encryption processing. It can also be set which standard of wireless LAN communication is used.

  In the present embodiment, these connection conditions are set in advance. For example, the connection conditions may be provided together with the program described above as a setting file, and are installed in the information processing apparatus 100 and stored in the hard disk 124. A plurality of setting files according to different connection conditions may be included in advance. Further, by selecting a setting file from a plurality of setting files according to the user's needs, it is possible to perform settings that meet the conditions desired by the user.

As described above, the setting file is recorded on various recording media such as a CD (Compact Disc) and a DVD (Digital Versatile Disk) together with the program, and may be provided to the user or downloaded from a predetermined site. The user may be able to acquire the information.
In the present invention, the information related to the confidential information is generated by the generation unit 104 described later for each connection. Therefore, the setting file in which the connection conditions are recorded can be obtained through various routes. Can also keep safe.

  The generation unit 104 generates a two-dimensional code in which information on the predetermined connection condition described above is recorded, and causes the presentation unit 106 to present it. Examples of the two-dimensional code include QR code, Data Matrix, Maxi Code, and stack type two-dimensional code, and are not particularly limited. Hereinafter, in the present embodiment, the two-dimensional code is described as a QR code.

  In the present embodiment, the generation unit 104 uses a trigger when the computer program according to the embodiment of the present invention is started or when a request operation for wireless LAN setting or connection is received after the program is started. I do. In addition, when the setting for performing the encryption process in the connection condition is made, the generation unit 104 can generate a password and include it in the QR code. The password is preferably generated randomly using a random number or the like.

  The presentation unit 106 presents the QR code generated by the generation unit 104. In the present embodiment, the presentation unit 106 presents the QR code to the user by displaying the QR code on a display screen such as the display device 152 of FIG. In another embodiment, for example, a QR code may be printed on a printed matter using an output device such as a printer connected to the information processing apparatus 100.

  As shown in FIG. 3, the mobile terminal 200 includes a CPU 222, a ROM (Read Only Memory) 224, a RAM (Random Access Memory) 226, a wireless LAN communication unit 228, an antenna 230, and an operation unit 232. , An operation receiving unit 234, a display unit 236, a display control unit 238, and an imaging unit 240.

  The portable terminal 200 is a portable communication terminal that can be connected to the network 3 (FIG. 1) using a wireless LAN via a base station (not shown), and includes an imaging unit 240. The mobile terminal 200 is, for example, a mobile phone, a PHS (Personal Handyphone System), a PDA (Personal Digital Assistants), a game machine, or the like.

  The CPU 222 is connected to each element of the portable terminal 200 via the bus 250 and controls the entire portable terminal 200 together with each element. The ROM 224 stores basic programs and application programs for operating the mobile terminal 200, various setting data used when these programs operate, various contents usable by the mobile terminal 200, and the like. The RAM 226 has a work area for operating the program. The CPU 222 reads out the program stored in the ROM 224 to the RAM 226 and executes it, whereby each function of each unit of the mobile terminal 200 in FIG. 1 can be realized.

  The operation unit 232 includes operation keys, operation buttons, switches, a jog dial, a touch pad, a touch panel, and the like. The operation reception unit 234 receives a user operation using the operation unit 232 and notifies the CPU 222 of the operation. The display unit 236 includes an LED (Light Emitting Diode) display, a liquid crystal display, an organic EL (ElectroLuminescence) display, and the like. The display control unit 238 displays various screens on the display unit 236 in accordance with instructions from the CPU 222.

The imaging unit 240 is a digital camera using elements such as a CCD (Charge Coupled Devices) image sensor and a CMOS (Complementary Metal Oxide Semiconductor) image sensor.
In addition, the mobile terminal 200 can include a speaker and a microphone, a voice input / output control unit, and a vibration function unit (not shown).

  Returning to FIG. 1, in the mobile terminal 200, the wireless communication unit 202 establishes a function as an access point for connecting to the network 3 in accordance with a predetermined connection condition. Then, the wireless communication unit 202 uses the antenna 230 and the wireless LAN communication unit 228 of FIG. 3 to connect the information processing apparatus 100 to the network 3 through its own apparatus and perform wireless communication. Wireless LAN communication between the information processing apparatus 100 and a base station (not shown) of the network 3 is, for example, communication complying with standards such as IEEE802.11b, IEEE802.11a, and IEEE802.11g. be able to. Which standard is followed depends on the information recorded in the QR code.

  The code reading unit 204 reads the QR code presented by the information processing apparatus 100 using the imaging unit 240 of FIG. Regarding the QR code reading process, a general portable terminal QR code reading process can be used as it is. That is, when the QR code image captured by the imaging unit 240 of the mobile terminal 200 is displayed on the display unit 236 (FIG. 2) and the user performs an operation of releasing the shutter using the operation unit 232 (FIG. 2), The QR code is photographed, and an image of the QR code can be acquired. The code reading unit 204 can also read the QR code using an image scanner (not shown) provided in the mobile terminal 200 instead of the imaging unit 240.

  The acquisition unit 206 analyzes the read QR code and determines whether or not information on connection conditions for wireless LAN communication is included. When the connection condition information is included, the connection condition information is acquired and transferred to the communication control unit 208. When the connection condition information is not included, a general QR code recognition process is performed.

  Based on the connection condition information acquired by the acquisition unit 206, the communication control unit 208 performs settings for causing the own device to function as an access point of the information processing apparatus 100, and constructs an access point. After the function as the access point is established, the communication control unit 208 controls wireless communication between the wireless communication unit 202 and the information processing apparatus 100 and between the wireless communication unit 202 and the network 3.

  In the present embodiment, the information processing apparatus 100 and the mobile terminal 200 perform communication in an ad hoc mode in which communication is performed one-on-one.

As described above, each component of the information processing apparatus 100 and the mobile terminal 200 of the wireless communication system 1 according to the present embodiment includes an arbitrary computer CPU, memory, and a program that implements the components illustrated in FIG. This is realized by arbitrarily combining hardware and software, mainly a storage unit such as a hard disk for storing the program and a network connection interface. It will be understood by those skilled in the art that there are various modifications to the implementation method and apparatus. Each drawing described here shows a block of functional units, not a configuration of hardware units.
Moreover, in each figure, about the structure of the part which is not related to the essence of this invention, it has abbreviate | omitted and is not illustrated.

  The computer program according to the embodiment of the present invention uses a two-dimensional code (QR code) in which information on predetermined connection conditions for wireless connection to the network 3 is recorded in a computer for realizing the information processing apparatus 100. It is described to execute a procedure for generating, a procedure for presenting the generated QR code, and a procedure for connecting to the network 3 and performing wireless communication according to connection conditions using the mobile terminal 200 as an access point.

  Furthermore, in the computer program according to the embodiment of the present invention, information on a predetermined connection condition for the information processing apparatus 100 to wirelessly connect to the network 3 is recorded in the computer for realizing the mobile terminal 200 2. Based on the procedure for reading the dimension code (QR code), analyzing the read QR code, obtaining the connection condition information, and building the function as the access point of the information processing apparatus 100 based on the obtained connection condition information The procedure for connecting to the network 3 and controlling the wireless communication with the information processing apparatus 100 is described.

  These computer programs of this embodiment may be recorded on a computer-readable recording medium. The recording medium is not particularly limited, and various forms can be considered. The program may be loaded from a recording medium into a computer memory, or downloaded to a computer through a network and loaded into the memory.

A wireless communication method in the wireless communication system 1 of the present embodiment having the above-described configuration will be described below. FIG. 4 is a flowchart showing an example of the operation of the wireless communication system 1 of the present embodiment. Hereinafter, description will be made with reference to FIGS. 1 and 4.
In the wireless communication method of the present embodiment, the generation unit 104 (FIG. 1) of the information processing apparatus 100 records a two-dimensional code (QR) that records information on a predetermined connection condition for wireless connection to the network 3 (FIG. 1). Code) is generated (step S101). Then, the presentation unit 106 of the information processing apparatus 100 presents the generated QR code (step S103). Then, the code reading unit 204 (FIG. 1) of the mobile terminal 200 reads the QR code presented by the information processing apparatus 100 (step S201). Furthermore, the acquisition unit 206 (FIG. 1) of the mobile terminal 200 analyzes the read QR code and acquires connection condition information (step S203). And the communication control part 208 (FIG. 1) of the portable terminal 200 builds the function as an access point of the information processing apparatus 100 based on the acquired connection condition information (step S205). Then, the wireless communication unit 102 (FIG. 1) of the information processing apparatus 100 connects to the network 3 using the mobile terminal 200 as an access point (step S105 and step S207) and performs wireless communication (step S107 and step S209). Thereafter, the information processing apparatus 100 can perform wireless communication by connecting to the network 3 using the mobile terminal 200 as an access point according to a predetermined connection condition.

  As described above, according to the wireless communication system 1 according to the embodiment of the present invention, information for performing wireless LAN connection is recorded in the QR code generated by the information processing apparatus 100. By simply reading the QR code on the 200 side, it is possible to facilitate the setting that ensures safety in wireless LAN communication. Since prior setting for performing the wireless LAN communication is not necessary, the wireless LAN communication can be used even if the user does not have knowledge about the wireless LAN communication. Thus, the portable terminal 200 can be easily functioned as an access point, and the information processing apparatus 100 can be securely connected to the network 3 by wireless communication under appropriate connection conditions.

  In addition, since the mobile terminal 200 can function as an access point for connecting to the network 3, the complexity of wiring is eliminated as compared with wireless LAN communication via a stationary router or modem. It can be used without choosing, and is easy to use. In particular, when the information processing apparatus 100 is a portable PC or the like, the location can be freely moved together with the portable terminal 200, wireless communication can be used regardless of the location, and convenience is improved. In addition, it is possible to ensure safety in accordance with the security level desired by the user without making difficult settings.

(Second Embodiment)
FIG. 5 is a functional block diagram showing a configuration of radio communication system 1 according to the embodiment of the present invention.
The wireless communication system 1 of the present embodiment is different from the above-described embodiment in that the user can freely select connection conditions.

  As illustrated in FIG. 5, the wireless communication system 1 includes an information processing device 300 and the same mobile terminal 200 as that in the above embodiment. The information processing apparatus 300 includes a wireless communication unit 102, a generation unit 104, and a presentation unit 106 that are the same as those of the information processing apparatus 100 of the above embodiment, and further includes a reception unit 302. Further, the information processing apparatus 300 has the same configuration as the computer of FIG.

  The accepting unit 302 accepts connection condition settings from the user. The settings received by the receiving unit 302 are stored in a setting file and used when the generating unit 104 generates a QR code. The reception unit 302 includes the operation reception unit 128 and the display control unit 130 of FIG. The setting file is stored in, for example, the memory 122 or the hard disk 124 in FIG.

  In the present embodiment, the information processing apparatus 300 displays the setting screen 400 in FIG. 6 on the display device 152 in FIG. 2 and prompts the user to perform a setting operation. The user can perform settings on the setting screen 400 by operating using the input device 150 of FIG. When the user makes settings according to the setting screen 400, the accepting unit 302 accepts connection conditions set by the user on the setting screen 400.

As shown in FIG. 6, the setting screen 400 includes, for example, a connection method setting field 402, an encryption method setting field 404, and an encryption key setting field 406, and various settings can be made in each field.
When the user designates a password to be used as an encryption key, the encryption key setting field 406 further displays an input field such as a password input text box (not shown) or an input field for confirmation.

  Further, in order for the user not to be confused about setting selection, the accepting unit 302 may select a security level desired by the user in advance from a rough level of high, medium, or low, or a place where the user uses this program, for example, A home, a public facility, an office, etc. may be selected and those settings may be accepted. It is also possible to adopt a configuration in which default connection conditions suitable for the security level and usage location received by the receiving unit 302 are automatically set and stored in a setting file or a setting file to be used is selected.

  In addition, the setting screen 400 may display a state in which default settings have been selected in advance. The setting screen 400 further includes an OK button 408 and a cancel button 410. When the accepting unit 302 accepts the operation of the OK button 408, the accepting unit 302 accepts the setting selected on the setting screen 400 and stores or updates it in the setting file. When the accepting unit 302 accepts the operation of the cancel button 410, the setting operation is terminated without updating the setting file.

  The setting screen 400 can be configured to always be displayed when the program is started in the information processing apparatus 100, or to accept and display operations such as menus and icons.

  In the present embodiment, the reception unit 302 notifies the generation unit 104 when the setting file is updated. Upon receiving the notification, the generation unit 104 generates a QR code according to the setting of the setting file.

The setting file update processing of the wireless communication system 1 of the present embodiment configured as described above will be described below.
In the present embodiment, the mobile terminal 200 operates in the same procedure as in FIG. 4 of the above embodiment. The information processing apparatus 300 operates in the same procedure as in FIG. 4 of the above embodiment, and executes steps S131 to S135 in FIG. 7 before step S101 in FIG. Hereinafter, description will be made with reference to FIGS. 2 and 5 to 7.

  First, after the user sets connection conditions on the setting screen 400 (FIG. 6) displayed on the display device 152 (FIG. 2) of the information processing apparatus 100, the operation of the OK button 408 (FIG. 6) is performed. When the reception unit 302 (FIG. 5) receives (OK in step S131 of FIG. 7), the reception unit 302 stores the received connection condition in the setting file (step S133 of FIG. 7). Then, the generation unit 104 (FIG. 5) of the information processing apparatus 300 is notified of the generation of the QR code, and the process proceeds to step S101 in FIG.

  On the other hand, when the accepting unit 302 accepts the operation of the cancel button 410 (FIG. 6) on the setting screen 400 (cancellation of step S131 in FIG. 7), the accepting unit 302 does not update the setting file. A default setting file is used (step S135 in FIG. 7). Then, the generation unit 104 is notified of the generation of the QR code, and the process proceeds to step S101 in FIG.

  As described above, according to the wireless communication system 1 of the present embodiment, the same effect as that of the above embodiment can be obtained, and the connection condition setting can be changed according to the security policy for each user and the usage scene of the wireless LAN. Is easy to use, so it is easy to use. In addition, a user who has some knowledge about wireless LAN communication can also make a desired setting, and can meet the needs of various users.

(Third embodiment)
FIG. 8 is a flowchart showing an example of the operation of the wireless communication system 1 according to the embodiment of the present invention.
The wireless communication system 1 of the present embodiment includes the same information processing apparatus 300 as that of the above embodiment of FIG. 5 and the same mobile terminal 200 as that of FIG. Note that the wireless communication system 1 of the present embodiment can be configured as the information processing apparatus 100 and the mobile terminal 200 of the above-described embodiment of FIG. Hereinafter, description will be made with reference to FIGS. 1 to 3, 5, 6, and 8.

The wireless communication system 1 (FIG. 5) of the present embodiment operates generally as follows.
In the wireless communication system 1 of the present embodiment, the wireless communication unit 102 (FIG. 5) of the information processing device 300 generates a QR code after the generation unit 104 (FIG. 5) of the information processing device 300 generates (Step S305 in FIG. 8). ), An access point search is started (step S309 in FIG. 8). Then, the wireless communication unit 102 of the information processing apparatus 300 establishes wireless communication with the mobile terminal 200 (FIG. 5) in which a function as an access point is constructed (step S313 in FIG. 8). The wireless communication unit 102 of the information processing device 300 causes the generation unit 104 of the information processing device 300 to generate a new password every time wireless communication with the mobile terminal 200 is disconnected (YES in step S317 in FIG. 8), A new QR code is generated in the information to be recorded in the code (step S305 in FIG. 8), and the access point search is started again (step S309 in FIG. 8). Then, the wireless communication unit 102 of the information processing device 300 establishes wireless communication with the mobile terminal 200 in which a function as an access point is constructed (step S313 in FIG. 8).

  More specifically, first, in the information processing apparatus 300, a program according to the embodiment of the present invention is started (step S301 in FIG. 8). Then, the reception unit 302 (FIG. 5) of the information processing device 300 displays the setting screen 400 (FIG. 6) on the display device 152 (FIG. 2) of the information processing device 300, prompts the user to operate, The setting is accepted and stored in the setting file (step S303 in FIG. 8). As described above, a preset connection condition can also be used. If a setting file is determined in advance, step S301 in FIG. 8 can be omitted. Further, the process of step S303 in FIG. 8 may be executed in response to a user setting change request.

  Then, the generation unit 104 (FIG. 5) of the information processing apparatus 300 generates a QR code according to the setting file set in step S303 in FIG. 8 (step S305 in FIG. 8). Then, the presentation unit 106 (FIG. 5) of the information processing device 300 displays the QR code on the display device 152 (FIG. 2) (step S307 in FIG. 8).

  On the other hand, it is assumed that the mobile terminal 200 is initially in a standby state (step S321 in FIG. 8). And a user operates the operation part 232 (FIG. 3) of the portable terminal 200, and starts the camera of the imaging part 240 (FIG. 3) of the portable terminal 200 (YES of step S323 of FIG. 8).

When the user releases the shutter and photographs the QR code displayed on the display device 152 by the information processing apparatus 300, the code reading unit 204 (FIG. 5) of the portable terminal 200 reads the photographed QR code (step S325 in FIG. 8). ).
And the acquisition part 206 (FIG. 5) of the portable terminal 200 analyzes a QR code, and acquires the information of a connection condition (step S327 of FIG. 8).

  During this time, in the information processing apparatus 300, the wireless communication unit 102 (FIG. 5) searches for an access point accessible by the own apparatus (step S309 in FIG. 8). For example, on the display device 152 of the information processing device 300, a message or icon for notifying the user that “access point is being searched” may be displayed on the screen.

  The communication control unit 208 (FIG. 5) of the mobile terminal 200 constructs a function as an access point of the information processing device 300 based on the connection condition information acquired by the acquisition unit 206 of the mobile terminal 200 (step of FIG. 8). S329).

  Then, the wireless communication unit 102 of the information processing apparatus 300 searching for the access point finds the mobile terminal 200 (YES in step S311 in FIG. 8), accesses the mobile terminal 200, and connects to the network 3 (FIG. 1). A connection is requested (step S313 in FIG. 8). The communication control unit 208 (FIG. 5) of the portable terminal 200 establishes a connection with the information processing apparatus 300, and further establishes a connection to the network 3 (step S331 in FIG. 8).

  Then, wireless communication between the wireless communication unit 102 of the information processing device 300 and the wireless communication unit 202 (FIG. 5) of the mobile terminal 200, and wireless communication between the wireless communication unit 202 of the mobile terminal 200 and the network 3. Are respectively performed (step S315 in FIG. 8 and step S333 in FIG. 8).

  If the wireless communication between the information processing apparatus 300 and the portable terminal 200 is disconnected (YES in step S317 in FIG. 8), the information processing apparatus 300 returns to step S305 in FIG. In step S305 in FIG. 8, the generation unit 104 of the information processing device 300 generates a new password, generates a QR code including the generated new password information again, and receives it by the presentation unit 106 of the information processing device 300. hand over.

  On the other hand, in the portable terminal 200, when the wireless communication between the information processing apparatus 300 and the portable terminal 200 is disconnected (YES in step S335 in FIG. 8), the process returns to step S321 in FIG. . Then, the camera of the imaging unit 240 is awaited for activation (step S323 in FIG. 8), and the QR code presented by the information processing apparatus 300 is newly read.

  That is, in the wireless communication system 1 of the present embodiment, when the wireless communication between the information processing apparatus 300 and the mobile terminal 200 is established and then disconnected, the generation unit 104 of the information processing apparatus 300 is again configured. Generates a new password, generates a QR code including the generated password information, presents it by the presenting unit 106, reads the QR code by the code reading unit 204 of the mobile terminal 200, and re-enters the communication control unit 208. Try to connect.

  As described above, according to the wireless communication system 1 of the present embodiment, the same effects as those of the above-described embodiment can be obtained. Further, when wireless communication is disconnected, a new password is generated for each connection and wirelessly generated. Since communication is resumed, safety is improved.

While the present invention has been described with reference to the embodiments and examples, the present invention is not limited to the above embodiments and examples. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.
Hereinafter, examples of the reference form will be added.
1. An information processing device;
A portable terminal that functions as an access point of the information processing apparatus,
The information processing apparatus includes:
First wireless communication means for connecting to a network via an access point and performing wireless communication in accordance with predetermined connection conditions;
Generating means for generating a two-dimensional code in which information of the connection condition is recorded;
Presenting means for presenting the generated two-dimensional code,
The portable terminal is
A second wireless communication means for connecting to the network and performing wireless communication;
Code reading means for reading the two-dimensional code presented by the information processing apparatus;
An acquisition means for analyzing the read two-dimensional code and acquiring the connection condition information;
Communication control means for constructing a function as the access point of the information processing apparatus based on the acquired information of the connection condition, and controlling wireless communication between the second wireless communication means and the information processing apparatus; Have
The first wireless communication unit of the information processing apparatus is a wireless communication system that connects the mobile terminal to the network as the access point and performs wireless communication according to the connection condition.
2. 1. In the wireless communication system described in
The information processing apparatus includes:
Comprising a receiving means for receiving the setting of the connection condition from a user;
The wireless communication system in which the generation unit of the information processing apparatus generates the two-dimensional code in which information on the received connection condition is recorded.
3. 2. In the wireless communication system described in
The wireless communication system, wherein the reception unit of the information processing apparatus receives selection of a wireless communication connection method or an encryption method as the setting of the connection condition.
4). 3. In the wireless communication system described in
The generation unit of the information processing apparatus generates a password to be used for an encryption process when the use of the encryption method is selected as the connection condition, and includes a wireless included in the information recorded in the two-dimensional code Communications system.
5. 4). In the wireless communication system described in
The first wireless communication unit of the information processing apparatus starts searching for the access point after the generation unit of the information processing apparatus generates the two-dimensional code, and a function as the access point is established. Establishing wireless communication with the mobile terminal;
The first wireless communication unit of the information processing apparatus causes the generation unit of the information processing apparatus to generate a new password and record the information in the two-dimensional code every time wireless communication with the portable terminal is disconnected. A wireless communication system that generates a new two-dimensional code, starts searching for the access point again, and establishes wireless communication with the mobile terminal in which the function as the access point is constructed.
6). A wireless communication means for connecting to a network and performing wireless communication;
Code reading means for reading a two-dimensional code in which information of a predetermined connection condition for wirelessly connecting the information processing apparatus to the network is recorded;
An acquisition means for analyzing the read two-dimensional code and acquiring the connection condition information;
A portable terminal comprising: a communication control unit configured to build a function as an access point of the information processing device based on the acquired information on the connection condition and to control wireless communication between the wireless communication unit and the information processing device .
7). Generating means for generating a two-dimensional code in which information of a predetermined connection condition for wirelessly connecting to a network is recorded;
Presenting means for presenting the generated two-dimensional code;
An information processing apparatus comprising: a wireless communication unit configured to connect to the network and perform wireless communication according to the connection condition using a portable terminal as an access point.
8). A procedure for reading a two-dimensional code in which information of a predetermined connection condition for the information processing apparatus to wirelessly connect to the network is recorded;
Analyzing the read two-dimensional code and obtaining information on the connection condition;
In order to cause a computer to execute a procedure for constructing a function as an access point of the information processing apparatus based on the acquired information on the connection condition, connecting to the network, and controlling wireless communication with the information processing apparatus Program.
9. A procedure for generating a two-dimensional code in which information on predetermined connection conditions for wireless connection to a network is recorded;
A procedure for presenting the generated two-dimensional code;
A program for causing a computer to execute a procedure of connecting to the network and performing wireless communication according to the connection conditions using a portable terminal as an access point.
10. An information processing device generates a two-dimensional code that records information on a predetermined connection condition for wireless connection to a network,
The information processing device presents the generated two-dimensional code,
A portable terminal reads the two-dimensional code presented by the information processing apparatus;
The mobile terminal analyzes the read two-dimensional code, acquires the connection condition information,
The mobile terminal builds a function as the access point of the information processing device based on the acquired information of the connection condition,
A wireless communication method in which the information processing apparatus connects to the network and uses the mobile terminal as the access point for wireless communication.

DESCRIPTION OF SYMBOLS 1 Wireless communication system 3 Network 100 Information processing apparatus 102 Wireless communication part 104 Generation part 106 Presentation part 120 CPU
122 memory 124 hard disk 126 wireless LAN communication unit 127 antenna 128 operation reception unit 130 display control unit 134 bus 150 input device 152 display device 200 portable terminal 202 wireless communication unit 204 code reading unit 206 acquisition unit 208 communication control unit 222 CPU
224 ROM
226 RAM
228 Wireless LAN communication unit 230 Antenna 232 Operation unit 234 Operation reception unit 236 Display unit 238 Display control unit 240 Imaging unit 250 Bus 300 Information processing device 302 Reception unit 400 Setting screen 402 Connection method setting field 404 Encryption method setting field 406 Encryption Key setting field 408 OK button 410 Cancel button

Claims (12)

  1. An information processing device;
    Includes a mobile terminal, the,
    The information processing apparatus includes:
    First wireless communication means for connecting to a network via an access point and performing wireless communication in accordance with predetermined connection conditions;
    Generating means for generating a two-dimensional code in which information of the connection condition is recorded;
    Presenting means for presenting the generated two-dimensional code,
    The portable terminal is
    A second wireless communication means for connecting to the network and performing wireless communication;
    Code reading means for reading the two-dimensional code presented by the information processing apparatus;
    An acquisition means for analyzing the read two-dimensional code and acquiring the connection condition information;
    Communication control means for constructing a function as the access point of the information processing apparatus based on the acquired information of the connection condition, and controlling wireless communication between the second wireless communication means and the information processing apparatus; Have
    The connection condition includes a setting for wirelessly connecting the information processing apparatus to the network, at least one of a wireless communication connection method, a security level, and a wireless LAN standard,
    The first wireless communication unit of the information processing apparatus is a wireless communication system that connects the mobile terminal to the network as the access point and performs wireless communication according to the connection condition.
  2.   The wireless communication system according to claim 1, wherein
      As the connection condition, which of the wireless LAN standards including at least one of IEEE (Institute of Electrical and Electronic Engineers) 802.11b, IEEE802.11a, and IEEE802.11g is used for connection? A wireless communication system including the setting of
  3.   The wireless communication system according to claim 1 or 2,
      The wireless communication system, wherein the connection condition includes a setting of whether encryption is necessary and which encryption method is used in the case of encryption according to the security level.
  4. In the radio | wireless communications system of any one of Claim 1 to 3 ,
    The information processing apparatus includes:
    Comprising a receiving means for receiving the setting of the connection condition from a user;
    The wireless communication system in which the generation unit of the information processing apparatus generates the two-dimensional code in which information on the received connection condition is recorded.
  5. The wireless communication system according to claim 4 , wherein
    The connection condition further includes the necessity of encryption according to the security level, and a setting of which encryption method to use when encrypting,
    The wireless communication system, wherein the reception unit of the information processing apparatus receives selection of a wireless communication connection method or an encryption method as the setting of the connection condition.
  6. The wireless communication system according to claim 5 , wherein
    The generation unit of the information processing apparatus generates a password to be used for an encryption process when the use of the encryption method is selected as the connection condition, and includes a wireless included in the information recorded in the two-dimensional code Communications system.
  7. The wireless communication system according to claim 6 .
    The first wireless communication unit of the information processing apparatus starts searching for the access point after the generation unit of the information processing apparatus generates the two-dimensional code, and a function as the access point is established. Establishing wireless communication with the mobile terminal;
    The first wireless communication unit of the information processing apparatus causes the generation unit of the information processing apparatus to generate a new password and record the information in the two-dimensional code every time wireless communication with the portable terminal is disconnected. A wireless communication system that generates a new two-dimensional code, starts searching for the access point again, and establishes wireless communication with the mobile terminal in which the function as the access point is constructed.
  8. A wireless communication means for connecting to a network and performing wireless communication;
    Code reading means for reading a two-dimensional code in which information of a predetermined connection condition for wirelessly connecting the information processing apparatus to the network is recorded;
    An acquisition means for analyzing the read two-dimensional code and acquiring the connection condition information;
    Based on the obtained information of the connection conditions, to build the function of the access point of the information processing apparatus, Bei example and a communication control means for controlling radio communication between said information processing apparatus said radio communication means,
    The mobile terminal includes a setting for the information processing apparatus to wirelessly connect to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .
  9. Generating means for generating a two-dimensional code in which information of a predetermined connection condition for wirelessly connecting to a network is recorded;
    Presenting means for presenting the generated two-dimensional code;
    The portable terminal as an access point, in accordance with the connection conditions, connected to said network, Bei example and a wireless communication means for wireless communication,
    The information processing apparatus, wherein the connection condition includes a setting for the information processing apparatus to wirelessly connect to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .
  10. A procedure for reading a two-dimensional code in which information of a predetermined connection condition for the information processing apparatus to wirelessly connect to the network is recorded;
    Analyzing the read two-dimensional code and obtaining information on the connection condition;
    In order to cause a computer to execute a procedure for constructing a function as an access point of the information processing apparatus based on the acquired information on the connection condition, connecting to the network, and controlling wireless communication with the information processing apparatus The program of
    The connection condition includes a setting for wirelessly connecting the information processing apparatus to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .
  11. A procedure for generating a two-dimensional code in which information on predetermined connection conditions for wireless connection to a network is recorded;
    A procedure for presenting the generated two-dimensional code;
    A program for causing a computer to execute a procedure of connecting to the network and performing wireless communication according to the connection conditions using a mobile terminal as an access point ,
    The connection condition includes a setting for wirelessly connecting to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .
  12. An information processing device generates a two-dimensional code that records information on a predetermined connection condition for wireless connection to a network,
    The information processing device presents the generated two-dimensional code,
    A portable terminal reads the two-dimensional code presented by the information processing apparatus;
    The mobile terminal analyzes the read two-dimensional code, acquires the connection condition information,
    It said portable terminal, based on the obtained information of the connection conditions, to build the function of the access point of the information processing apparatus,
    The information processing apparatus is a wireless communication method in which the mobile terminal is connected to the network as the access point and wirelessly communicates ,
    The wireless communication method, wherein the connection condition includes a setting for the information processing apparatus to wirelessly connect to the network according to at least one of a wireless communication connection method, a security level, and a wireless LAN standard .
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