JP7204714B2 - Wireless repeater, communication system, method and program - Google Patents

Description

The present invention relates to a radio relay device, communication system, method and program.

In recent years, mobile routers capable of rewriting information stored in a SIM (Subscriber Identity Module) (hereinafter referred to as SIM information) have become widespread. Patent Literature 1 discloses a router device equipped with a SIM capable of rewriting stored information.

WO2020/080070

However, in mobile router rental services, connection settings for wireless communication such as LTE (Long Term Evolution) in mobile routers are used as they are. In other words, connection information such as SIM information required for the connection setting is used as it is without being rewritten. Therefore, every time a user rents a mobile router, it is necessary to associate the connection information of the mobile router with the user. For example, if the user wants to use another mobile router, he has to perform the linking operation again. Therefore, there is a problem that it takes time and effort to rent a mobile router.

An object of the present disclosure is to provide a wireless relay device, a communication system, a method, and a program that can reduce the labor involved in renting a mobile router by solving such problems.

The wireless relay device of the present disclosure includes: an account information acquisition unit that acquires account information of the terminal from the terminal; a connection information acquisition unit that acquires LAN connection information for communication from a server; a WAN communication unit that executes communication on the WAN side using the WAN connection information; a LAN communication unit that performs LAN-side communication with a terminal.

A communication system according to the present disclosure includes: a wireless relay device connected to a terminal; WAN connection information for WAN-side communication in the wireless relay device; and LAN-side communication in the wireless relay device. and a server that stores LAN connection information for LAN in association with account information, wherein the wireless relay device acquires the account information of the terminal from the terminal, and acquires the account information of the terminal through WAN side communication acquiring the WAN connection information and the LAN connection information corresponding to the information from a server, executing communication on the WAN side using the WAN connection information, and using the LAN connection information with the terminal; Communication on the LAN side is executed between

A method of the present disclosure acquires account information of a terminal from a terminal, and WAN connection information for WAN-side communication and LAN-side communication corresponding to the account information by WAN-side communication. acquiring LAN connection information from a server; executing WAN-side communication using the WAN connection information; and performing LAN-side communication with the terminal using the LAN connection information. including performing.

The program of the present disclosure acquires account information of the terminal from the terminal, and WAN connection information for WAN-side communication and LAN-side communication corresponding to the account information by WAN-side communication. acquiring LAN connection information from a server; executing WAN-side communication using the WAN connection information; and performing LAN-side communication with the terminal using the LAN connection information. cause a computer to perform and

INDUSTRIAL APPLICABILITY According to the present disclosure, it is possible to provide a wireless relay device, a communication system, a method, and a program that can reduce the trouble of renting a mobile router.

1 is a block diagram showing the configuration of a communication system according to a first embodiment; FIG. 4 is a flowchart showing operations of the communication system according to the first embodiment; FIG. 3 is a block diagram showing the configuration of a communication system according to a second embodiment; FIG. 9 is a flow chart showing the operation of the communication system according to the second embodiment; 9 is a flowchart showing operations of a communication system according to Modification 1; FIG. 11 is a block diagram showing a configuration of a communication system according to modification 2; 10 is a flowchart showing operations of a communication system according to modification 2; It is a block diagram which shows the hardware constitutions of a processing apparatus.

Hereinafter, specific embodiments to which the present disclosure is applied will be described in detail with reference to the drawings. In each drawing, the same elements are denoted by the same reference numerals, and redundant description will be omitted as necessary for clarity of description.

(First embodiment)
First, the configuration of a communication system 1 according to the first embodiment will be described using FIG. FIG. 1 is a block diagram showing the configuration of a communication system 1 according to the first embodiment. A communication system 1 includes a terminal 100 , a radio relay device 200 and a server 300 .

In the following embodiments, three types of communication methods, first wireless communication 10, second wireless communication 20 and third wireless communication 30, are used. A first wireless communication (near field wireless communication) 10 indicates wireless PAN (Personal Area Network) communication using a communication standard such as Bluetooth (registered trademark) that has a low communication speed but consumes little power. A second wireless communication (communication on the LAN side) 20 indicates communication by a wireless LAN (Local Area Network) using communication such as Wi-Fi (registered trademark) (Wireless Fidelity) that has a high communication speed but consumes a large amount of power. . A third wireless communication (WAN-side communication) 30 indicates communication by a wireless WAN (Wide Area Network) using a communication standard for connecting to the Internet through a mobile phone/mobile data communication network such as LTE. In the third wireless communication 30, SIM information is required when the terminal 100 and the wireless relay device 200 connect to the base station.

The terminal 100 is, for example, a terminal such as a PC, tablet, or smart phone. The terminal 100 stores account information. The account information includes information identifying the user of the terminal 100, such as a user ID and password.

The wireless relay device 200 connects with the terminal 100 . Also, wireless relay device 200 connects to server 300 via the Internet. The radio relay device 200 can perform the first radio communication 10 . Also, the wireless relay device 200 can perform the second wireless communication 20 (communication on the LAN side) using the LAN connection information. The LAN connection information includes information such as SSID (Service Set Identifier) and encryption key. Also, the wireless relay device 200 can perform the third wireless communication 30 (WAN-side communication) using the WAN connection information. The WAN connection information includes, for example, APN (Access Point Name), identification information for identifying a communication service provider or user, such as a profile. The profile includes ICCID (Integrated Circuit Card ID), IMSI (International Mobile Subscriber Identity), phone number, and the like.

Server 300 stores WAN connection information for WAN-side communication of wireless relay device 200 and LAN connection information for LAN-side communication of wireless relay device 200 in association with account information.

The wireless relay device 200 includes an account information acquisition section 211 , a connection information acquisition section 212 , a LAN communication section 213 and a WAN communication section 214 .
Account information acquisition unit 211 acquires account information of terminal 100 from terminal 100 . For example, the account information acquisition unit 211 acquires the account information of the terminal 100 from the terminal 100 using the first wireless communication 10 .
The connection information acquisition unit 212 acquires from the server 300 WAN connection information for WAN-side communication and LAN connection information for LAN-side communication, which correspond to account information through WAN-side communication.
The WAN communication unit 214 performs communication on the WAN side using the WAN connection information.
The LAN communication unit 213 performs LAN-side communication with the terminal 100 using the LAN connection information.

Next, operation of the communication system 1 according to the first embodiment will be described with reference to FIG. FIG. 2 is a flow chart showing the operation of the communication system 1 according to the first embodiment.
First, the account information acquisition unit 211 acquires the account information of the terminal 100 from the terminal 100 (step S11). Next, the connection information acquisition unit 212 acquires from the server 300 WAN connection information for WAN-side communication and LAN connection information for LAN-side communication, which correspond to the account information through WAN-side communication. (step S12). Next, the WAN communication unit 214 uses the WAN connection information to perform communication on the WAN side (step S13). The LAN communication unit 213 uses the LAN connection information to perform LAN-side communication with the terminal 100 (step S14).

In this embodiment, the server 300 associates and stores account information and connection information (LAN connection information and WAN connection information). Then, the wireless relay device 200 can acquire connection information corresponding to the account information of the terminal 100 from the server 300 . Furthermore, LAN-side communication and WAN-side communication can be performed using the acquired connection information. Therefore, every time the user rents the wireless relay device 200, it is not necessary to associate the connection information of the wireless relay device 200 with the user.

Therefore, it is possible to reduce the labor involved in renting a mobile router. In addition, when a user rents a wireless relay device 200, the user can use any wireless relay device 200, and there is no need to accept rental of the wireless relay device 200 or the like. In addition, even if the wireless relay device 200 is installed somewhere and taken by the user without handover, the user can use the connection information in the wireless relay device 200 to perform LAN side communication and WAN communication. side communication and can be performed.

(Second embodiment)
Next, the configuration of the communication system 2 according to the second embodiment will be described using FIG. FIG. 3 is a block diagram showing the configuration of a communication system 2 according to the second embodiment. A communication system 2 includes a terminal 100 , a radio relay device 200 and a server 300 .

The terminal 100 is, for example, a terminal such as a PC, tablet, or smart phone. Terminal 100 includes communication control section 110 , first wireless communication I/F 120 , second wireless communication I/F 130 , third wireless communication I/F 140 , code acquisition section 150 and storage section 160 .

The terminal 100 performs connection/communication control of the first wireless communication I/F 120 , the second wireless communication I/F 130 and the third wireless communication I/F 140 . A first wireless communication I/F 120 is an interface used for the first wireless communication 10 . For example, terminal 100 communicates with wireless relay device 200 via first wireless communication I/F 120 . A second wireless communication I/F 130 is an interface used for the second wireless communication 20 . For example, terminal 100 communicates with wireless relay device 200 via second wireless communication I/F 130 . A third wireless communication I/F 140 is an interface used for the third wireless communication 30 . For example, terminal 100 communicates with server 300 via third wireless communication I/F 140 .

Storage unit 160 stores account information 161 . The account information 161 includes information for identifying the user of the terminal 100, such as a user ID and password.

The code acquisition unit 150 acquires the two-dimensional code output by the code output unit 250 of the wireless relay device 200 using an imaging device such as a camera. Then, the code acquisition unit 150 decodes the two-dimensional code, acquires information for connecting to the wireless relay device 200 via the first wireless communication 10 (hereinafter referred to as first wireless communication connection information), and uses the information for communication control. 110.

Communication control unit 110 transmits account information 161 to wireless relay device 200 via first wireless communication 10 based on the first wireless communication connection information received from code acquisition unit 150 .

The wireless relay device 200 is, for example, a portable router such as a mobile router. The wireless relay device 200 includes an account information acquisition unit 211, a connection information acquisition unit 212, a LAN communication unit 213, a WAN communication unit 214, an authentication information providing unit 215, a first wireless communication I/F 220, a second wireless communication I/F 230, A third wireless communication I/F 240 , a code output section 250 , a storage section 260 and an e-SIM (Embedded Subscriber Identify Module) 270 are provided.

The storage unit 260 stores connection information 261 . The connection information 261 includes LAN connection information and WAN connection information.

The e-SIM 270 is a communication module that stores identification information for identifying communication carriers and users, and is an embedded SIM. e-SIM 270 stores SIM information 271 . The SIM information 271 includes information such as ICCID, IMSI, phone number, or APN. Note that the SIM information 271 can be updated to other SIM information.

The account information acquisition unit 211 acquires the account information 161 of the terminal through the first wireless communication 10 .
The connection information acquisition unit 212 acquires the connection information 322 linked with the account information 321 corresponding to the account information 161 from the server 300 via the third wireless communication 30 . Here, the connection information 322 includes LAN connection information and WAN connection information. Then, the connection information acquisition unit 212 updates the existing connection information 261 based on the acquired connection information 322 . Also, the connection information acquisition unit 212 updates the existing SIM information 271 in the e-SIM 270 based on the WAN connection information included in the connection information 322 .

LAN communication unit 213 performs second wireless communication 20 using connection information 261 . Specifically, the LAN communication unit 213 performs the second wireless communication 20 using LAN connection information included in the connection information 261 .

WAN communication unit 214 performs third wireless communication 30 using connection information 261 and SIM information 271 . Specifically, WAN communication unit 214 performs third wireless communication 30 using WAN connection information and SIM information 271 included in connection information 261 .

Authentication information providing unit 215 transmits the SSID and encryption key included in connection information 261 to terminal 100 via first wireless communication 10 .

The wireless relay device 200 performs connection/communication control of the first wireless communication I/F 220 , the second wireless communication I/F 230 and the third wireless communication I/F 240 . A first wireless communication I/F 220 is an interface used for the first wireless communication 10 . For example, the wireless relay device 200 communicates with the terminal 100 via the first wireless communication I/F 220. A second wireless communication I/F 230 is an interface used for the second wireless communication 20 . For example, the wireless relay device 200 communicates with the terminal 100 via the second wireless communication I/F 230. A third wireless communication I/F 240 is an interface used for the third wireless communication 30 . For example, terminal 100 communicates with server 300 via third wireless communication I/F 240 .

The code output unit 250 converts the first wireless communication connection information from the terminal 100 into a two-dimensional code or the like through the first wireless communication 10 and outputs the code. Although the two-dimensional code is used in the present embodiment, any code may be used as long as the terminal 100 can identify the identification information.

The server 300 includes an extractor 310 and a storage 320 .
Extraction unit 310 extracts connection information 322 corresponding to account information 161 provided in terminal 100 .
The storage unit 320 associates and stores the account information 321 and the connection information 322 . Here, the storage unit 320 stores at least one type of information linking the account information 321 and the connection information 322 . The connection information 322 includes LAN connection information and WAN connection information.

Next, the operation of the communication system 2 according to the second embodiment will be described using FIG. FIG. 4 is a flow chart showing the operation of the communication system 2 according to the second embodiment.

As shown in FIG. 4, first, the code acquisition unit 150 of the terminal 100 acquires the two-dimensional code output by the code output unit 250 of the wireless relay device 200 (step S101). At this time, the code acquisition unit 150 decodes the acquired two-dimensional code and acquires the first wireless communication connection information. For example, the code acquisition unit 150 may acquire the first wireless communication connection information by decoding a two-dimensional code captured by a camera or the like included in the terminal 100 . Then, code acquisition section 150 sends information for connecting to wireless relay device 200 to communication control section 110 .

Next, the communication control unit 110 connects with the wireless relay device 200 through the first wireless communication 10 based on the received first wireless communication connection information (step S102). Then, the wireless relay device 200 connects to the terminal 100 via the first wireless communication 10 (step S103). Next, communication control unit 110 transmits account information 161 to wireless relay device 200 (step S104).

Next, account information acquisition section 211 of wireless relay device 200 acquires account information 161 from terminal 100 . The connection information acquisition unit 212 accesses the server 300 using the account information 161 (step S105). Here, wireless relay device 200 can communicate with server 300 through third wireless communication 30 using connection information 261 and SIM information 271 . Then, when accessing the server 300 , the connection information acquisition unit 212 transmits the account information 161 .

Next, the extraction unit 310 of the server 300 extracts the connection information 322 corresponding to the account information 161 (step S106). Specifically, the storage unit 320 of the server 300 stores at least one type of information linking the account information 321 and the connection information 322 . The extraction unit 310 acquires the connection information 322 linked to the account information 321 corresponding to the account information 161 . The extraction unit 310 then transmits the acquired connection information 322 to the wireless relay device 200 (step S107).

Next, connection information acquisition section 212 of wireless relay device 200 receives connection information 322 from server 300 . Then, the authentication information providing unit 215 transmits information required for authentication of the wireless relay device 200 such as the SSID and the encryption key included in the connection information 322 to the terminal 100 through the first wireless communication (step S108).

Next, the connection information acquisition unit 212 updates the existing connection information 261 stored in the storage unit 260 based on the received connection information 322 (step S109). Then, the LAN communication unit 213 uses the connection information 261 to perform second wireless communication with the terminal 100 (step S110). Specifically, the LAN communication unit 213 performs the second wireless communication 20 using LAN connection information included in the connection information 261 . Therefore, when the terminal 100 acquires the SSID and encryption key of the wireless relay device 200 , the wireless relay device 200 can connect to the terminal 100 via the second wireless communication 20 .

Next, the connection information acquisition unit 212 updates the existing SIM information 271 stored in the e-SIM 270 based on the received connection information 322 (step S111). Specifically, the connection information acquisition unit 212 updates the existing SIM information 271 stored in the e-SIM 270 based on the WAN connection information included in the connection information 261 . Then, the WAN communication unit 214 uses the connection information 261 and the SIM information 271 to perform the third wireless communication 30 (step S112). Specifically, the WAN communication unit 214 performs the third wireless communication 30 using the WAN connection information and the SIM information 271 included in the connection information 261 . By doing so, the wireless relay device 200 can connect to the base station and the Internet using the third wireless communication 30 . At this time, the wireless relay device 200 can reconnect to the base station and the Internet using the third wireless communication 30 . Note that the process of step S111 may be performed after the process of step S109.

In the present embodiment, in step S108, the authentication information providing unit 215 transmits information necessary for authentication of the wireless relay device 200, such as the SSID and the encryption key included in the connection information 322, to the terminal 100 via the first wireless communication. Send to The authentication information providing unit 215 may transmit the SSID, encryption key, etc. included in the connection information 261 to the terminal 100 . Furthermore, the timing of transmission is not limited to the example of this embodiment.

In this embodiment, the server 300 associates and stores the account information 321 and the connection information 322 . The wireless relay device 200 acquires the connection information 322 linked to the account information 321 corresponding to the account information 161 of the terminal 100 from the server 300 and updates the existing connection information 261 and SIM information 271 . For example, when the user rents the wireless relay device 200 , the connection information 322 corresponding to the account information 161 of the terminal 100 is acquired from the server 300 and the existing connection information 261 and SIM information 271 are updated. Then, using the connection information 261 and the SIM information 271, the second wireless communication and the third wireless communication can be performed. Therefore, every time the user rents the wireless relay device 200, it is not necessary to associate the connection information 261 or the SIM information 271 of the wireless relay device 200 with the user.

Therefore, it is possible to reduce the labor involved in renting a mobile router. In addition, when a user rents a wireless relay device 200, the user can use any wireless relay device 200, and there is no need to accept rental of the wireless relay device 200 or the like. Moreover, even if the wireless relay device 200 is installed somewhere and taken by the user without permission, the user can access the LAN using the connection information 261 or the SIM information 271 in the wireless relay device 200 . side communication and WAN side communication can be performed.

Also, the SSID and encryption key of the mobile router are written on the display or accessories of the mobile router so that the user can use the mobile router as it is at the time of rental. Therefore, there is a problem that anyone with a mobile router can use it, which is not preferable in terms of security. For example, a person who picks up a dropped mobile router can use it.

In this embodiment, the terminal 100 can acquire the SSID and encryption key of the wireless relay device 200 from the wireless relay device 200 . Therefore, the user of the terminal 100 can connect without checking the settings of the wireless relay device 200 . Therefore, it becomes unnecessary to display the SSID and the encryption key on the wireless relay device 200 .

It should be noted that the present invention is not limited to the above embodiments, and can be modified as appropriate without departing from the scope of the invention.

(Modification 1)
The communication system 3 according to Modification 1 has the following configuration changes compared to the communication system 2 according to the second embodiment.
In wireless relay device 200 according to Modification 1, instead of acquiring connection information 322 from server 300 using account information 161 of terminal 100, terminal 100 acquires connection information 322 from server 300 using account information 161. . Also, the terminal 100 acquires information for connecting to the wireless relay device 200 via the second wireless communication 20, such as the SSID and the encryption key, from the acquired connection information 322. FIG. Therefore, the wireless relay device 200 according to Modification 1 does not have to include the account information acquiring unit 211 and the authentication information providing unit 215 .

Next, the operation of Modification 1 will be described with reference to FIG. FIG. 5 is a flowchart showing the operation of the communication system 3 according to Modification 1. As shown in FIG.
First, the communication control unit 110 of the terminal 100 accesses the server 300 through the third wireless communication 30 using the account information 161 (S201). Here, the terminal 100 performs the third wireless communication 30 with the server 300 based on existing SIM information (not shown) that the terminal 100 has. When accessing the server 300 , the communication control unit 110 transmits the account information 161 .

Next, the extraction unit 310 of the server 300 extracts the connection information 322 corresponding to the received account information 161 (step S202). Specifically, the storage unit 320 of the server 300 stores at least one type of information linking the account information 321 and the connection information 322 . The extraction unit 310 acquires the connection information 322 linked to the account information 321 corresponding to the account information 161 . The extraction unit 310 then transmits the acquired connection information 322 to the terminal 100 (step S203).

Next, the code acquisition unit 150 of the terminal 100 acquires the two-dimensional code output by the code output unit 250 of the wireless relay device 200 (step S204). At this time, the code acquisition unit 150 decodes the acquired two-dimensional code and acquires the first wireless communication connection information. For example, the code acquisition unit 150 may decode a two-dimensional code captured by a camera or the like included in the terminal 100 to acquire the wireless relay device 200 and the first wireless communication connection information. The code acquisition unit 150 then supplies the first wireless communication connection information to the communication control unit 110 .

Next, the communication control unit 110 connects with the wireless relay device 200 through the first wireless communication 10 based on the received first wireless communication connection information with the wireless relay device 200 (step S205). Then, the communication control unit 210 of the wireless relay device 200 connects with the terminal 100 through the first wireless communication 10 (step S206). Next, the communication control unit 110 transmits the connection information 322 acquired from the server 300 to the wireless relay device 200 (step S207). Here, the terminal 100 may receive the connection information 322 from the server 300 in step S<b>204 and store the connection information 322 in the storage unit 160 .

Next, the connection information acquisition unit 212 updates the existing connection information 261 stored in the storage unit 260 based on the received connection information 322 (step S208). Then, the LAN communication unit 213 uses the connection information 261 to perform the second wireless communication (step S209). Specifically, the LAN communication unit 213 performs the second wireless communication 20 using LAN connection information included in the connection information 261 . Therefore, when the terminal 100 acquires the SSID and encryption key of the wireless relay device 200 , the wireless relay device 200 can connect to the terminal 100 via the second wireless communication 20 .

Next, the connection information acquisition unit 212 updates the existing SIM information 271 stored in the e-SIM 270 based on the received connection information 322 (step S210). Specifically, the connection information acquisition unit 212 updates the existing SIM information 271 stored in the e-SIM 270 based on the WAN connection information included in the connection information 261 . Then, the WAN communication unit 214 performs the third wireless communication 30 using the connection information 261 and the SIM information 271 (step S211). Specifically, the WAN communication unit 214 performs the third wireless communication 30 using the WAN connection information and the SIM information 271 included in the connection information 261 . By doing so, the wireless relay device 200 can connect to the base station and the Internet using the third wireless communication 30 . At this time, the wireless relay device 200 can reconnect to the base station and the Internet using the third wireless communication 30 . Note that the process of step S210 may be performed after the process of step S208.

Then, the terminal 100 acquires information for connecting to the wireless relay device 200 via the second wireless communication 20, such as the SSID and the encryption key, from the connection information 322. can be connected to the wireless relay device 200 by
Therefore, the communication system 3 according to Modification 1 has the same effects as the communication system 2 according to the second embodiment.

(Modification 2)
Next, the configuration of the communication system 4 according to Modification 2 will be described with reference to FIG. FIG. 6 is a block diagram showing the configuration of a communication system 4 according to Modification 2. As shown in FIG.

A communication system 4 according to Modification 2 includes a terminal 400 and a radio relay device 200 . The communication system 4 has the following configuration changes compared to the communication system 2 according to the second embodiment.

First, the communication system 4 does not have the server 300 . Therefore, the storage unit 160 of the terminal 100 stores connection information 162 for updating the connection information 261 and the SIM information 271 of the wireless relay device 200 . Here, the connection information 162 is associated with the account information 161 of the terminal 100 . Therefore, wireless relay device 200 does not need to include account information acquisition section 211 .

Also, the terminal 100 stores the connection information 162 in advance. The terminal 100 acquires information for connecting to the wireless relay device 200 via the second wireless communication 20 , such as the SSID and encryption key, from the connection information 162 . Therefore, wireless relay device 200 does not need to include authentication information providing section 215 .

Next, the operation of the communication system 4 according to the fourth embodiment will be explained using FIG. FIG. 7 is a flow chart showing the operation of the communication system 4 according to the fourth embodiment.

The code acquisition unit 150 of the terminal 400 acquires the two-dimensional code output by the code output unit 250 of the wireless relay device 500 (step S301). At this time, the code acquisition unit 150 decodes the acquired two-dimensional code and acquires the wireless relay device 500 and the first wireless communication connection information. For example, the code acquisition unit 150 may decode a two-dimensional code captured by a camera or the like included in the terminal 100 and acquire the wireless relay device 500 and the first wireless communication connection information. Then, the code acquisition unit 150 supplies the wireless relay device 500 and the first wireless communication connection information to the communication control unit 110 .

Next, the communication control unit 110 connects to the wireless relay device 200 through the first wireless communication 10 based on the received first wireless communication connection information with the wireless relay device 500 (step S302). Then, the communication control unit 210 of the wireless relay device 500 connects with the terminal 400 via the first wireless communication 10 (step S303). Next, communication control unit 110 transmits connection information 162 to wireless relay device 500 (step S304). Here, the connection information 162 is stored in the storage unit 160 of the terminal 400 .

Next, the connection information acquisition unit 212 of the wireless relay device 500 updates the existing connection information 261 stored in the storage unit 260 based on the received connection information 162 (step S305). Then, the LAN communication unit 213 uses the connection information 261 to perform the second wireless communication (step S306). Specifically, the LAN communication unit 213 performs the second wireless communication 20 using LAN connection information included in the connection information 261 . Therefore, when the terminal 400 acquires the SSID and the encryption key of the wireless relay device 500 , the wireless relay device 500 can connect to the terminal 400 through the second wireless communication 20 .

Next, the connection information acquisition unit 212 updates the existing SIM information 271 stored in the e-SIM 270 based on the received connection information 162 (step S307). Specifically, the connection information acquisition unit 212 updates the existing SIM information 271 stored in the e-SIM 270 based on the WAN connection information included in the connection information 261 . Then, the WAN communication unit 214 performs the third wireless communication 30 using the connection information 261 and the SIM information 271 (step S308). Specifically, the WAN communication unit 214 performs the third wireless communication 30 using the WAN connection information and the SIM information 271 included in the connection information 261 . By doing so, the wireless relay device 500 can connect to the base station and the Internet using the third wireless communication 30 . At this time, the wireless relay device 500 can reconnect to the base station and the Internet using the third wireless communication 30 . Note that the process of step S307 may be performed after the process of step S305.

Then, the terminal 100 acquires information for connecting to the wireless relay device 200 via the second wireless communication 20, such as the SSID and the encryption key, from the connection information 162. can be connected to the wireless relay device 200 by
Therefore, the communication system 4 according to Modification 2 has the same effects as the communication system 2 according to the second embodiment.

(Modification 3)
In Modified Example 3, the terminal 100, the wireless relay device 200, the terminal 400, and the wireless relay device 500 according to the above-described embodiments store applications in storage means (not shown), and each operation is executed by the application. may

<Hardware configuration>
Next, a hardware configuration example of the processing devices associated with the terminal 100, the wireless relay device 200, the server 300, the terminal 400, and the wireless relay device 500 will be described. FIG. 8 is a block diagram showing the hardware configuration of the processing device. The processing device in FIG. 8 has a processor 1001 and a memory 1002 . The processor 1001 may be, for example, a microprocessor, an MPU (Micro Processing Unit), or a CPU (Central Processing Unit). Processor 1001 may include multiple processors. Memory 1002 is comprised of a combination of volatile and non-volatile memory. Memory 1002 may include storage remotely located from processor 1001 . In this case, processor 1001 may access memory 1002 via an I/O interface (not shown).

Each configuration in the above-described embodiments is configured by hardware or software, or both, and may be configured from one piece of hardware or software, or may be configured from multiple pieces of hardware or software. The functions (processing) of each device may be implemented by a computer having a CPU, memory, and the like. For example, a program for performing the method in the embodiment may be stored in a storage device, and each function may be realized by executing the program stored in the storage device with a CPU.

These programs can be stored and delivered to computers using various types of non-transitory computer readable media. Non-transitory computer-readable media include various types of tangible storage media. Examples of non-transitory computer-readable media include magnetic recording media (eg, flexible discs, magnetic tapes, hard disk drives), magneto-optical recording media (eg, magneto-optical discs), CD-ROMs (Read Only Memory), CD-Rs, CD-R/W, semiconductor memory (eg, mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (random access memory)). The program may also be delivered to the computer on various types of transitory computer readable medium. Examples of transitory computer-readable media include electrical signals, optical signals, and electromagnetic waves. Transitory computer-readable media can deliver the program to the computer via wired channels, such as wires and optical fibers, or wireless channels.

Some or all of the above-described embodiments can also be described in the following supplementary remarks, but are not limited to the following.
(Appendix 1)
an account information acquisition unit that acquires account information of the terminal from the terminal;
a connection information acquiring unit for acquiring from a server WAN connection information for WAN-side communication and LAN connection information for LAN-side communication, which correspond to the account information through WAN-side communication;
a WAN communication unit that performs communication on the WAN side using the WAN connection information;
a LAN communication unit that performs LAN-side communication with the terminal using the LAN connection information.
(Appendix 2)
When the WAN connection information is obtained from the server, the connection information obtaining unit updates the WAN connection information used when the account information is obtained based on the WAN connection information obtained from the server. The radio relay device according to appendix 1.
(Appendix 3)
When the WAN connection information is obtained from the server, the connection information obtaining unit updates SIM information used when the account information is obtained based on the WAN connection information obtained from the server. The wireless relay device according to appendix 2.
(Appendix 4)
4. The wireless relay device according to any one of attachments 1 to 3, wherein the account information acquisition unit acquires the account information of the terminal from the terminal by short-range wireless communication.
(Appendix 5)
5. The wireless relay device according to any one of appendices 1 to 4, further comprising an authentication information providing unit that transmits the SSID and encryption key included in the LAN connection information to the terminal by short-range wireless communication.
(Appendix 6)
a wireless relay device connected to a terminal;
connecting to the wireless relay device, and storing WAN connection information for WAN-side communication in the wireless relay device and LAN connection information for LAN-side communication in the wireless relay device in association with account information; a server for
The wireless relay device acquires the account information of the terminal from the terminal, and acquires the WAN connection information and the LAN connection information corresponding to the account information of the terminal from a server through communication on the WAN side, A communication system that executes WAN-side communication using the WAN connection information, and executes LAN-side communication with the terminal using the LAN connection information.
(Appendix 7)
When the WAN connection information is obtained from the server, the wireless relay device updates the WAN connection information used when the account information is obtained based on the WAN connection information obtained from the server. The communication system according to appendix 6.
(Appendix 8)
8. The communication system according to appendix 6 or 7, wherein the wireless relay device transmits the SSID and encryption key included in the LAN connection information to the terminal by short-range wireless communication.
(Appendix 9)
The wireless relay device outputs an identification code including information for the terminal to connect to the wireless relay device by short-range wireless communication,
The terminal captures an image of the identification code, connects to the wireless relay device through the short-range wireless communication based on information included in the captured identification code, and transmits the account information to the wireless relay device. A communication system according to any one of claims 6 to 8.
(Appendix 10)
a terminal that stores account information;
a wireless relay device connected to the terminal;
connecting to the wireless relay device, and storing WAN connection information for WAN-side communication in the wireless relay device and LAN connection information for LAN-side communication in the wireless relay device in association with account information; a server for
The terminal acquires the WAN connection information and the LAN connection information corresponding to the account information of the terminal from the server, and transmits the acquired WAN connection information and the LAN connection information to the wireless relay device. send to
The wireless relay device uses the WAN connection information to perform WAN-side communication, and uses the LAN-use connection information to perform LAN-side communication with the terminal.
(Appendix 11)
11. The communication system according to appendix 10, wherein the terminal obtains an SSID and an encryption key from the LAN connection information.
(Appendix 12)
a radio relay device;
connecting to the wireless relay device, and storing WAN connection information for WAN-side communication in the wireless relay device and LAN connection information for LAN-side communication in the wireless relay device in association with account information; a terminal that
the terminal transmits the WAN connection information and the LAN connection information corresponding to the account information of the terminal to the wireless relay device;
The wireless relay device uses the WAN connection information to perform WAN-side communication, and uses the LAN-use connection information to perform LAN-side communication with the terminal.
(Appendix 13)
13. The communication system according to appendix 12, wherein the terminal obtains an SSID and an encryption key from the LAN connection information.
(Appendix 14)
Acquiring the account information of the terminal from the terminal;
obtaining, from a server, WAN connection information for WAN-side communication and LAN connection information for LAN-side communication, which correspond to the account information through WAN-side communication;
executing communication on the WAN side using the WAN connection information;
and executing LAN-side communication with the terminal using the LAN connection information.
(Appendix 15)
Acquiring the account information of the terminal from the terminal;
obtaining, from a server, WAN connection information for WAN-side communication and LAN connection information for LAN-side communication, which correspond to the account information through WAN-side communication;
executing communication on the WAN side using the WAN connection information;
A program that causes a computer to execute LAN-side communication with the terminal using the LAN connection information.

1-4 Communication system 10 First wireless communication 20 Second wireless communication 30 Third wireless communication 100 Terminal 110 Communication control unit 120 First wireless communication I/F
130 second wireless communication I/F
140 Third wireless communication I/F
150 Code acquisition unit 160 Storage unit 161 Account information 162 Connection information 200 Wireless relay device 210 Communication control unit 211 Account information acquisition unit 212 Connection information acquisition unit 213 LAN communication unit 214 WAN communication unit 215 Authentication information provision unit 220 First wireless communication I /F
230 second wireless communication I/F
240 Third wireless communication I/F
250 Code output unit 260 Storage unit 261 Connection information 271 SIM information 300 Server 310 Extraction unit 320 Storage unit 321 Account information 322 Connection information 400 Terminal 500 Wireless relay device 1001 Processor 1002 Memory

Claims (10)

an account information acquisition unit that acquires account information of the terminal from the terminal;
By communicating with a server using the existing WAN connection information for WAN side communication, the server transmits WAN connection information and LAN connection information for LAN side communication corresponding to the account information. a connection information acquisition unit that acquires from
a WAN communication unit that performs WAN-side communication using the WAN connection information acquired from the server ;
a LAN communication unit that performs LAN-side communication with the terminal using the LAN connection information acquired from the server . When the WAN connection information is acquired from the server, the connection information acquisition unit acquires the existing WAN connection information used when the account information is acquired, based on the WAN connection information acquired from the server. The wireless relay device according to claim 1, wherein the update is performed by When the WAN connection information is obtained from the server, the connection information obtaining unit obtains existing SIM information used when the account information is obtained based on the WAN connection information obtained from the server. The wireless relay device according to claim 1 or 2, which updates. The wireless relay device according to any one of claims 1 to 3, wherein the account information acquisition unit acquires the account information of the terminal from the terminal by short-range wireless communication. The wireless relay device according to any one of claims 1 to 4, further comprising an authentication information providing unit that transmits the SSID and the encryption key included in the LAN connection information to the terminal by short-range wireless communication. a wireless relay device connected to a terminal;
connecting to the wireless relay device, and storing WAN connection information for WAN-side communication in the wireless relay device and LAN connection information for LAN-side communication in the wireless relay device in association with account information; a server for
The wireless relay device acquires the account information of the terminal from the terminal, and communicates with the server using the existing WAN connection information to obtain the WAN connection information and L AN connection information is acquired from the server , WAN side communication is executed using the WAN connection information acquired from the server, and LAN connection information acquired from the server is used to communicate with the terminal. A communication system that executes communication on the LAN side. When the WAN connection information is acquired from the server, the wireless relay device acquires the existing WAN connection information used when the account information is acquired, based on the WAN connection information acquired from the server. The communication system according to claim 6, which updates. The communication system according to claim 6 or 7, wherein the wireless relay device transmits the SSID and encryption key included in the LAN connection information to the terminal by short-range wireless communication. Acquiring the account information of the terminal from the terminal;
By communicating with a server using the existing WAN connection information for WAN side communication, the server transmits WAN connection information and LAN connection information for LAN side communication corresponding to the account information. and obtaining from
executing communication on the WAN side using the WAN connection information acquired from the server ;
and executing LAN-side communication with the terminal using the LAN connection information obtained from the server . Acquiring the account information of the terminal from the terminal;
By communicating with a server using the existing WAN connection information for WAN side communication, the server transmits WAN connection information and LAN connection information for LAN side communication corresponding to the account information. and obtaining from
executing communication on the WAN side using the WAN connection information acquired from the server ;
A program that causes a computer to execute LAN-side communication with the terminal using the LAN connection information acquired from the server .

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