WO2013055052A2

WO2013055052A2 - Method for providing wifi wireless internet service to inbound roamer through non-sim

Info

Publication number: WO2013055052A2
Application number: PCT/KR2012/007903
Authority: WO
Inventors: 박열; 이정형; 강병근
Original assignee: 주식회사 케이티
Priority date: 2011-10-12
Filing date: 2012-09-28
Publication date: 2013-04-18
Also published as: KR101832366B1; KR20130039615A; WO2013055052A3

Abstract

The present invention relates to a communication method for enabling the use of wireless internet through WiFi with a non-SIM device of the same roamer after an inbound roamer is authenticated through a SIM(Subscriber Identification Module) device.

Description

How to provide wireless Internet service to inbound roamer through SIM device

The present invention relates to a communication method for providing a WiFi wireless Internet service to an inbound roamer, and more particularly, after the inbound roamer is authenticated through a subscriber identification module (SIM) device, the same roamer uses WiFi through a no-SIM device. The present invention relates to a communication method for enabling wireless Internet use.

Foreigners who enter Korea can use a mobile terminal equipped with a SIM, such as a smartphone, to provide a wireless communication service provided by a mobile communication company, such as a text message, a voice call, a video call, or an inbound roaming service, as in a home country. have. In addition, a terminal equipped with a SIM may be provided with a free wireless Internet service using WiFi.

Recently, foreigners have a variety of wireless smart devices that can be connected to the Internet, such as notebook PCs, tablet PCs, iPADs, iPhones, etc. You can use the wired Internet as a terminal, and use WiFi (non-SIM) devices like domestic customers. There is no free wireless Internet service using Fidelity.

Accordingly, an object of the present invention is to solve the above-described problems, and an object of the present invention is to enable free wireless Internet use via WiFi even without a SIM device after an inbound roamer is authenticated through a SIM device. To provide a communication method.

To this end, the inbound roamer can be connected to a server operated by a mobile operator through a SIM device or a SIM-free device, and can be issued an ID and password. The present invention provides a communication method for enabling WiFi to be used until returning to the home network of the home country.

First, to summarize the features of the present invention, in accordance with an aspect of the present invention for achieving the object of the present invention, a communication method for using the Internet through a Subscriber Identification Module (SIM) device of the inbound roamer, SIM Registering the device in a domestic network; Receiving authentication information for WiFi issued by the user terminal with respect to the corresponding terminal identifier of the location registration; And inputting authentication information for WiFi into the SIM-free device.

The user terminal includes the SIM device, the SIM-free device, or another communication terminal.

The inbound roamer may use the Internet service by reconnecting to the AP for WiFi using the authentication information for WiFi, which is issued once until the SIM device is used in an overseas network.

In the step of receiving the authentication information for WiFi, it may be received via a text message or email.

In the receiving of the authentication information for WiFi, the user terminal checks whether the terminal is registered with the GLR when the location is registered by the issuing server with respect to the terminal identifier input when the user terminal requests the issuing server. The WiFi authentication information may be issued and transmitted.

The authentication information for WiFi is generated and managed by a management server at the request of the issuing server according to a request of the user terminal. When the authentication request is received for the input authentication information for WiFi received from a gateway, the authentication server is managed by the authentication server. By querying and authenticating to, it is possible to support access to the AP for WiFi.

The authentication server may include in the authentication whether the registration of the terminal identifier is maintained in the GLR for location registration.

When the inbound roamer receives the location information from the foreign network to the GLR using the SIM device in an overseas network, the GLR may control to delete the WiFi authentication information from the management server.

The authentication information for WiFi may include an ID and a password.

According to the communication method according to the present invention, after the inbound roamer is authenticated through the SIM device, the mobile station operator receives the ID and password from the server operated by the mobile communication provider and returns to the home network of the home country. Free wireless internet is available through

1 is a diagram illustrating a wireless communication system for an inbound roaming service according to an embodiment of the present invention.

2 is a flowchart illustrating an operation of a wireless communication system according to an embodiment of the present invention.

3 is an example of an ID, PW input screen through a WiFi welcome message according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present invention is not limited or limited to the embodiments.

1 is a diagram illustrating a wireless communication system 100 for an inbound roaming service according to an embodiment of the present invention.

Referring to FIG. 1, the wireless communication system 100 for inbound roaming service according to an embodiment of the present invention may operate 2G / 3G wireless communication interworking on a domestic network (domestic network) operated by a domestic communication service provider. Base station 110, WiFi (Wireless) AP (Access Point) 120, GLR (Gateway Location Register) 130, Authentication Server (AAA) 131, Issuing Server 140, Management Server (IDMS) 141 for wireless Internet access using Fidelity ), A packet data gateway (PDG) 150, a messaging center 142, and an exchange (MSV / SGSN) 143.

Inbound roamers and domestic subscribers are provided with services such as text messages, voice calls, and video calls between each other through relays such as domestic 2G / 3G circuit networks and packet networks operated by mobile operators. Through smart communication terminals such as notebook PCs, tablet PCs, iPADs, iPhones, and IPTVs that can be connected to the Internet, a variety of Internet services can be provided through wired and wireless internets.

The inbound roamer authenticates with the GLR 130 by accessing the domestic network through the base station 110 using an iPAD, an iPhone, a smartphone, or another mobile terminal (SIM device) equipped with a subscriber identification module (SIM) card used in the home country. Through location registration and subscriber authentication through the server (AAA) 131, services such as text messages, voice calls, and video calls can be provided through relays such as line networks and packet networks as in home networks (overseas networks) of the home country. . Location registration and subscriber authentication using the SIM device may use information stored in the SIM such as an International Mobile Subscriber Identity (IMSI) for authentication and charging, an encryption key for an encryption algorithm, and the like.

In particular, in the present invention, the inbound roamer is not equipped with a SIM card, but using a smart terminal (no SIM device) such as a laptop PC, tablet PC, iPAD, iPhone, IPTV that can be connected to the Internet, the AP for WiFi in the domestic network 120 Free Internet service is provided through

For example, after the inbound roamer is authenticated through the SIM device, the inbound roamer accesses the issuing server 140 through the SIM device or the SIM-free device, and transmits the authentication information for WiFi such as ID / PW. Short Message Service), e-mail, etc., and thus, when accessing the AP 120 for WiFi using a SIM-free device, this is input to authenticate the authentication server 131 through the packet data gateway (PDG) 150. You can freely use WiFi until you return to your home network (overseas network).

Hereinafter, the operation of the wireless communication system 100 according to an embodiment of the present invention will be described in more detail with reference to the flowchart of FIG. 2.

First, the inbound roamer is connected to the domestic network through the base station 110 using an iPAD, an iPhone, a smartphone, and other mobile terminals (SIM devices) equipped with a SIM used in the home country, and the GLR 130 and the authentication server (AAA). Location registration and subscriber authentication may be performed through step 131 (S10). Such a SIM device may periodically attempt to register a location in the GLR 130 of the domestic network, in which case the GLR 130 is connected to the authentication server (AAA) 131 which maintains authentication information of the terminals for the corresponding terminal. If authentication is successful by requesting authentication, location information on the corresponding terminal identifier (eg, MSISDN: Mobile Station International ISDN Number) may be registered (S11). Location registration and subscriber authentication using the SIM device may use information stored in the SIM such as an International Mobile Subscriber Identity (IMSI) for authentication and charging, an encryption key for an encryption algorithm, and the like. Accordingly, inbound roamers can receive services such as text messages, voice calls, and video calls through relays such as line networks and packet networks, wherever domestic networks are supported through SIM devices. Can be.

Afterwards, the inbound roamer wants to use the wireless Internet service in the domestic network as a smart terminal (no SIM device) such as a notebook PC, a tablet PC, an iPAD, an iPhone, an IPTV without a SIM, but uses an AP 120 for WiFi. Internet service will not be available.

Accordingly, the inbound roamer is a SIM device or a non-SIM device of the inbound roamer, a notebook PC, a tablet PC, or another user device or terminal (which may be an inbound roamer or another user's terminal) as an issuer of a domestic network ( By receiving the authentication information (for example, ID / PW) for WiFi issued by the issuing server 140 for the corresponding terminal identifier (for example, MSISDN) registered as described above, the AP for WiFi with the SIM device 120, WiFi authentication information (eg, ID / PW) is input to a page (see FIG. 3) displayed on the screen to use the Internet service.

For example, in order to receive the authentication information (for example, ID / PW) for WiFi, the inbound roamer may access the issuing server 140 using another user device or terminal such as a SIM device or a non-SIM device (S20). . A welcome page or a homepage may appear on a screen of a device connected to the issuing server 140. On the welcome page / home page or another screen for an issuing request, the inbound roamer is a corresponding terminal identifier of a terminal (device) registered as above. For example, the MSISDN may be input to request issuance of authentication information for WiFi (eg, ID / PW) (S21).

Accordingly, the issuing server 140 checks whether the terminal identifier (eg, MSISDN) input as described above is the terminal registered with the GLR 130 when registering the location (S22). At this time, if the terminal identifier (eg, MSISDN) received from the issuing server 140 is present in the information of the location registered terminals stored in the database, the GLR 130 responds to the issuing server 140 indicating the location registered terminal. Accordingly, the issuing server 140 requests the management server 141 to issue the authentication information for WiFi (eg, ID / PW) for the corresponding terminal identifier (eg, MSISDN) (S23). The management server 141 generates the authentication information for WiFi (eg, ID / PW) for the corresponding terminal identifier (eg, MSISDN) and issues the generated authentication information for WiFi (eg, ID / PW) for the corresponding issue request. The server 140 is notified (S24). The management server 141 may store and manage WiFi authentication information for each terminal identifier generated for each terminal in a database.

Here, the issuing server 140 is described as an authentication information for WiFi, for example, ID, PW, but is not limited thereto, and the authentication information for WiFi may be in various forms such as one time password (OTP). The inbound roamer can also access the issuing server 140 using a SIM device or a SIM-free device to register and register an ID and PW, and the issuing server 140 is a separate authentication for WiFi distinct from the ID and PW at this time. Information (e.g. ID / PW) can be generated (ID may be the same), and the authentication information for WiFi may include multiple levels of authentication information that can be entered in stages, such as additional OTP, in addition to ID / PW. have.

Meanwhile, when the management server 141 informs the issuing server 140 of WiFi authentication information (eg, ID / PW) generated for the corresponding terminal identifier (eg, MSISDN), the issuing server 140 corresponds to the corresponding server identifier (eg, MSISDN). The GLR 130 requests the GLR 130 to transmit authentication information (eg, ID / PW) for WiFi regarding the terminal identifier (eg, MSISDN) to the device (SIM device or no SIM) of the inbound romer (S30).

In this way, the requested GLR 130 notifies the messaging center 142, and thus the messaging center 142 transmits authentication information for WiFi to the corresponding terminal identifier (eg, MSISDN) through the exchange (MSV / SGSN) 143. (Eg, ID / PW) is transmitted to the device (SIM device or SIM-free) of the inbound roaming that has been issued in step S20 (S31). For example, the messaging center 142 may use authentication information (for example, ID / PW) for WiFi in the form of SMS or MMS to a SIM device through a mobile switch center server (MSV) or a Serving GPRS Support Node (SGSN) switch. Alternatively, the messaging center 142 may send a WiFi message to another device or terminal that has requested authentication information for WiFi through a Serving GPRS Support Node (SGSN) in the form of a message including text such as an email, a direct message, and a push message. Authentication information (eg, ID / PW) may be transmitted.

As such, when an inbound roaming device (SIM device or SIM-free) receives authentication information for WiFi (e.g., ID / PW) in the form of a text message or an email, the inbound roamer checks this, and the WiFi is sent to the non-SIM device. By attempting to access the Internet through the AP 120 for the WiFi authentication information (for example, ID / PW) to enter the WiFi service can be used as described below.

For example, when the SIM-free device attempts to access the AP 120 for WiFi (S40), a WiFi welcome page may be displayed on the screen as shown in FIG. 3 according to a predetermined application of the SIM-free device (S41). ). At this time, the inbound roamer may input the authentication information for WiFi (eg ID / PW) issued as above on the WiFi welcome page (S50), and the SIM-free device inputs authentication information for WiFi (eg ID / PW). To the packet data gateway (PDG) 150.

Accordingly, the packet data gateway (PDG) 150 may request authentication from the authentication server (AAA) 131 for the received WiFi authentication information (eg, ID / PW) (S52). The authentication server (AAA) 131 requests the inquiry to the management server (IDMS) 141 for the authentication information (for example, ID / PW) for WiFi, the management server (IDMS) 141 to each terminal to manage If there is authentication information (for example, ID / PW) for WiFi received from the authentication server (AAA) 131 among the authentication information for the authentication server (AAA) (a message containing information indicating that the information exists) 131). In operation S53, the answer may be made. As mentioned above, when several levels of authentication are required, the process of S50 to S53 may be repeatedly performed for the step-by-step authentication information.

Accordingly, the authentication server (AAA) 131 may respond to the packet data gateway (PDG) 150 that the authentication was successful, the packet data gateway (PDG) 150 transmits the response to the SIM-free device, By transmitting to the WiFi AP 120, the SIM-free device can use the wireless Internet service through the WiFi AP 120.

After that, the inbound roamer uses the authentication information for WiFi (e.g. ID / PW) issued once until the SIM device is used in the home network (overseas network) of the home country (until the SIM device registers the location). In this process, the AP 120 may be reconnected to use the wireless Internet service.

That is, in order for the inbound roamer to receive an Internet service through the AP 120 using the SIM-free device as described above, and then disconnect or turn off the power again, the inbound roamer uses the authentication information for WiFi through the process of S40 to S53 as described above. For example, it is preferable to re-enter the ID / PW and re-connect to the AP 120 after being authenticated so that the Internet service can be used again. In addition, when reconnecting to the AP 120 after the second time, the process of inputting authentication information (for example, ID / PW) for WiFi in step S50 may be automatically performed as a background task by the application.

After the inbound roamer is authenticated through the SIM device, the inbound roamer accesses the issuing server 140 through the SIM device or the SIM-free device, and sends authentication information for WiFi such as ID (Identification) / password (PW) to SMS, MMS, and email. When issued to the home network (overseas network) by receiving the authentication of the authentication server 131 through the packet data gateway (PDG) 150 by inputting this when accessing the AP 120 for WiFi using a SIM-free device WiFi can be used freely until return to, for this purpose, in addition to requesting an inquiry to the management server (IDMS) 141 in step S53, the authentication server (AAA) 131, once again to the GLR (130) You can request further certification.

For example, in order to determine whether the inbound roamer has returned to the home network (overseas network) of the home country, the authentication server (AAA) 131 transmits a corresponding terminal identifier (eg, MSISDN) to the GLR 130 for location registration. You can check whether the location registration is maintained. Accordingly, when the GLR 130 returns information on whether the location is registered, the authentication server (AAA) 131 may allow the SIM-free device to use the wireless Internet service through the corresponding AP for WiFi 120. That is, if the authentication server (AAA) 131 checks the GLR 130 and the location registration of the corresponding terminal identifier (eg, MSISDN) is maintained, the SIM-free device provides a wireless Internet service through the corresponding AP for WiFi 120. You can use it.

When the inbound roamer receives the Internet service through the AP 120 using the SIM-free device as described above, and disconnects or reconnects after turning off the power, authentication information for WiFi (eg, ID) is performed through the process of S40 to S53. / PW) and the AP (AAA) 131 checks the management server (IDMS) 141 at step S53 and confirms whether or not to maintain the location registration to the GLR 130. It is desirable to re-connect to 120 to re-enable Internet services.

Thereafter, when the location registration information is received from the overseas network to the GLR 130 by using an SIM device in the home network (overseas network) of the home country, the location registration information for the domestic network is also deleted from the GLR 130. Of course, the GLR 130 controls to delete the authentication information (eg, ID / PW) for the WiFi for the terminal identifier (eg, MSISDN) in the management server (IDMS) 141, no longer managed in step S53 At the time of inquiry to the server (IDMS) 141 and confirmation of whether or not to maintain location registration to the GLR 130, the inquiry or confirmation may be failed. Accordingly, afterwards, the inbound roamer cannot reconnect to the AP 120 using the SIM-free device, and can use the Internet service again through the above procedure when re-entering at the next opportunity.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by the equivalents of the claims.

Claims

A communication method for using the Internet through a Subscriber Identification Module (SIM) device of an inbound roamer,

Registering the SIM device in a domestic network;

Receiving authentication information for WiFi issued by the user terminal with respect to the corresponding terminal identifier of the location registration; And

Inputting authentication information for WiFi into a SIM-free device;

Communication method comprising a.
The method of claim 1,

The user terminal comprises the SIM device, the SIM-free device, or another communication terminal.
The method of claim 1,

And using the internet service by reconnecting to the AP for WiFi using the WiFi authentication information once issued until the inbound roamer uses the SIM device in an overseas network.
The method of claim 1,

In the receiving of the authentication information for WiFi, the communication method characterized in that it is received via a text message or email.
The method of claim 1,

In the step of receiving the authentication information for WiFi,

Regarding the terminal identifier input when the user terminal requests the issuing server, checking whether the issuing server is a terminal registered with the GLR when registering the location and issuing and transmitting the WiFi authentication information to the user terminal. A communication method characterized by the above.
The method of claim 1,

The authentication information for WiFi is generated and managed by a management server at the request of the issuing server according to a request of the user terminal. When the authentication request is received for the input authentication information for WiFi received from a gateway, the authentication server is managed by the authentication server. And accessing the AP for WiFi by inquiring and authenticating.
The method of claim 6,

And the authentication server includes confirmation in the authentication whether the registration of the terminal identifier is maintained in the GLR for the location registration.
The method of claim 6,

And when the inbound roamer receives location information from the foreign network to the GLR using the SIM device in an overseas network, the GLR controls to delete the WiFi authentication information from the management server.
The method of claim 1,

The WiFi authentication information includes an ID and a password.