KR20060102183A - Method and system for providing wireless lan service at service area of different wireless lan service provider - Google Patents

Abstract

The present invention relates to a method and system for providing a WLAN service in a heterogeneous WLAN service provider area.

To this end, the present invention, (a) receiving a wireless LAN service providing request signal including a user ID and password from the user terminal; (b) determining, by the user ID received from the user terminal, the wireless LAN service provider subscribed to by the user, and confirming that the user is a wireless service subscriber of another wireless LAN service provider; (c) requesting user authentication by transmitting the user ID and password to the authentication server of the wireless LAN operator to which the user has subscribed; (d) providing a wireless LAN service to a user terminal when user authentication is completed; And (e) calculating charging when the wireless LAN service of the user terminal is terminated and transmitting the charging information to the charging server of the wireless LAN operator to which the user has subscribed.

According to the present invention, as the mobility of the user is provided with the WLAN service regardless of the location is guaranteed, the satisfaction of the WLAN service subscribers can be improved, and the WLAN operator can reduce the time and cost for building the access point. Can be.

WLAN, WLAN, Heterogeneous Carriers, Roaming, Roaming

Description

Method and system for providing wireless LAN service in heterogeneous wireless LAN service provider area {Method and System for Providing Wireless LAN Service at Service Area of Different Wireless LAN Service Provider}

1 is a block diagram schematically illustrating a WLAN service providing system according to an exemplary embodiment of the present invention;

2 is a flowchart illustrating a method for providing a WLAN service according to an embodiment of the present invention;

3 is an exemplary screen of a user terminal for wireless LAN access in a heterogeneous wireless LAN service provider area according to a preferred embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

110: user terminal 112: heterogeneous wireless LAN service provider area

120: access point 130: Internet

140: heterogeneous operator wireless LAN server 150: heterogeneous operator authentication server

152: heterogeneous operators certification unit 154: heterogeneous operators billing unit

160: heterogeneous provider PU server 162: LDAP unit

164: subscriber database 166: PU unit

168: management server 170: authentication server

172: authentication unit 174: billing unit

The present invention relates to a method and system for providing a WLAN service in a heterogeneous WLAN service provider area. More specifically, when using a wireless local area network (WLAN) service, if the user is located in the service area of the heterogeneous wireless LAN service provider instead of the service providing area of the wireless LAN service provider to which the user subscribes, The present invention relates to a method and system for providing a WLAN service in a service area of a heterogeneous WLAN service provider receiving a WLAN service.

As information technology advances to the information society, the Internet is becoming an important and essential medium in all fields such as society, culture and economy. The Internet is a communication network that interconnects computers around the world according to common rules. Computers connected to the Internet can communicate with each other, such as transferring files and images, searching web pages, and sending e-mail.

Such Internet is usually established by organizations such as workplaces and government agencies to establish a network of its own so that a certain number of IP addresses are allocated from a specific Internet service provider (ISP), which is referred to as an ISP. Distribute and use IP addresses, and users within the organization can use the Internet without performing separate user authentication procedures. However, users at home or small groups can individually request the ISP to register for Internet service, register their ID and password for each user, and send an ID and password to their ISP every time they connect to the Internet. Use the Internet service provided by your ISP.

Such Internet services can be broadly classified into wired Internet services and wireless Internet services. Wired Internet service is provided by a user's computer with a built-in dial-up modem, cable modem, or ASL / VDSL (Asymmetric Digital Subscriber Line / Very High Data Rate Digital Subscriber Line) modem. It is a service that connects to the Internet by wire, and wireless Internet service is connected to a mobile communication network, a wireless LAN network, etc. using a CDMA (Code Division Multiple Access) modem or a Wireless Local Area Network Card (WLAN Card). It is a service that connects.

Among the aforementioned wireless Internet services, a wireless LAN service that accesses the Internet using a wireless LAN network is a service that provides communication by establishing a network environment from a hub to each terminal using radio waves or light without using a wired cable. Say. Wireless LAN has a characteristic that can compensate for the vulnerability of the existing communication technology. Conventional mobile communication networks have absolute advantages in terms of mobility and transmission coverage, but communication speeds are weaker than wired networks. Bluetooth, on the other hand, is very useful in a few meters of space surrounding a user's workspace, but poor in terms of mobility and coverage. And while wired network is superior in terms of communication speed, mobility is not guaranteed.

As such, when comparing various communication technologies, the WLAN is superior to the wired network in terms of mobility, is faster than the mobile communication network in terms of communication speed, and may cover a relatively wider area than Bluetooth. Therefore, due to these advantages, WLAN services are widely used by Internet users, and related technologies are also rapidly being developed.

The WLAN service has a standalone WLAN that serves as a data relay so that an access point (AP) may communicate with each other. Accordingly, a WLAN provider providing each WLAN should install APs in service areas around the country so that users can wirelessly access by using a client terminal. However, in order to cover the whole country (Covering), a large number of APs are required, and a large number of time and money are required to install all of them. As a result, an area in which one WLAN service provider does not provide WLAN service, that is, a service shadow area, occurs.

However, the service shadowing area of some WLAN service provider (first WLAN service provider) may be a WLAN service providing area of another WLAN service provider (second WLAN service provider). A user who is located in such an area and subscribes to the first WLAN service provider cannot receive the WLAN service through the first WLAN service provider. Accordingly, there is a need for a method for receiving WLAN service through a second WLAN service provider in order to guarantee mobility of a WLAN service subscriber.

In order to solve this problem, the present invention, when using a wireless local area network (WLAN) service, when the user is located in the service area of the heterogeneous wireless LAN service provider, not the service providing area of the wireless LAN service provider subscribed to, An object of the present invention is to provide a method and system for providing a WLAN service in a service area of a heterogeneous WLAN service provider receiving a WLAN service through a WLAN service system.

In order to achieve the above object, the present invention provides a user terminal located in a wireless LAN service area of a heterogeneous wireless local area network (WLAN) operator, and provides a wireless LAN service using a wireless LAN system of a heterogeneous wireless LAN operator. A method of providing a WLAN service in a heterogeneous WLAN service area, the method comprising: (a) receiving a WLAN service providing request signal including a user ID and a password from a user terminal; (b) determining, by the user ID received from the user terminal, the wireless LAN service provider subscribed to by the user, and confirming that the user is a wireless service subscriber of another wireless LAN service provider; (c) requesting user authentication by transmitting the user ID and password to the authentication server of the wireless LAN operator to which the user has subscribed; (d) providing a wireless LAN service to a user terminal when user authentication is completed; And (e) calculating billing when the WLAN service of the user terminal is terminated and transmitting the billing information to the billing server of the WLAN provider to which the user has subscribed. Provides a method for providing a WLAN service.

In addition, in order to achieve another object of the present invention, the present invention, when there is a wireless LAN service request from a user terminal located in a wireless LAN service area of a heterogeneous wireless LAN (WLAN) service provider, A wireless LAN service providing system in a heterogeneous wireless LAN service provider area that provides wireless LAN service to a user terminal using a wireless LAN system. The wireless LAN service is wirelessly connected to the user terminal and connected to the Internet to receive authentication data. An access point (AP) for receiving and transmitting a connection for a WLAN service and allocating radio resources to a user terminal; A heterogeneous operator authentication server for analyzing authentication data received from the access point and calculating billing information; A heterogeneous provider PU server for storing, registering, modifying, and updating information of a user who has subscribed to a WLAN service of a heterogeneous WLAN; And an authentication server (RADIUS Server: Remote Authentication Dial-In User Service Server) that performs authentication by analyzing authentication data received from the heterogeneous carrier authentication server when a request for authentication data is received from the heterogeneous carrier authentication server. It provides a wireless LAN service providing system in a heterogeneous wireless LAN service provider area comprising a.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

 1 is a block diagram schematically illustrating a WLAN service providing system according to an exemplary embodiment of the present invention.

The WLAN providing system in the heterogeneous WLAN service provider area according to the present invention includes a user terminal 110, an access point 120, the Internet 130, a heterogeneous WLAN server 140, and an authentication server 170. The heterogeneous provider WLAN server 140 includes a heterogeneous provider authentication server 150 and a heterogeneous provider PU server 160.

The user terminal 110 is wirelessly connected to the access point 120 and transmits the user ID and password input by the user to the heterogeneous operator authentication server 150 or the authentication server 180 through the access point 120. After completing the user authentication is a computer that accesses the Internet 130 using a wireless LAN service.

To this end, the user terminal 110 may include a wireless LAN card for performing wireless communication with the access point 120, a memory storing an access program for accessing the access point 120, and an entire memory of the user terminal 110. A control unit including a microprocessor for performing operations to control operations, an input / output unit such as a keyboard and a mouse for receiving data such as authentication data and commands for authentication from a user, and outputting data generated or received by arithmetic operations And an output unit such as a monitor and a liquid crystal screen.

The user terminal 110 may be a mobile computer such as a laptop (Lap Top) or a notebook or a portable terminal such as a personal digital assistant (PDA) in a personal computer (PC).

The access point 120 is wirelessly connected to the user terminal 110 and connected to the Internet 130 to receive authentication data from the user terminal 110 and transmit the heterogeneous service provider authentication server 150 to the heterogeneous service provider authentication server 150. Or, if authentication by the authentication server 170 succeeds, assigns an IP (Internet Protocol) address to the user terminal 110 and allocates a radio resource so that the user terminal 110 can access the Internet 130. Provides wireless LAN service.

To this end, the access point 120 is a wireless LAN connection unit that is wirelessly connected to the user terminal 110 to perform communication, and data for relaying data transmitted and received between the user terminal 110 and the Internet 130. A transmission unit, an Ethernet connection unit for accessing the Internet 130, an authentication processing unit for transferring authentication data used in an authentication procedure between the user terminal 110 and the heterogeneous business authentication server 150, and a dynamic IP to the user terminal 110. And a Dynamic Host Configuration Protocol (DHCP) processing unit for allocating an Internet Protocol (Internet Protocol) address.

The Internet 130 includes various services that exist in the TCP / IP protocol and its upper layers, such as Hypertext Transfer Protocol (HTTP), Telnet, File Transfer Protocol (FTP), Domain Name System (DNS), and Simple Mail Transfer Protocol (SMTP). It is a global open computer network architecture that provides Simple Network Management Protocol (SNMP), Network File Service (NFS) and Network Information Service (NIS).

When the heterogeneous wireless LAN server 140 receives the access request of the user terminal 110, including the heterogeneous wireless carrier authentication server 150 and the PU server 160, and receives the user information to confirm that the wireless LAN service subscribers In the case of a service subscriber, user authentication is performed. In the case of a third-party wireless LAN service subscriber, user authentication is performed through an authentication server 180 of a corresponding operator. And, if the user authentication is successful, the wireless LAN service is provided to the user terminal 110.

A remote authentication dial-in user services server (RADIUS Server) 150 is implemented as a network server including a heterogeneous carrier authentication unit 152 and a heterogeneous carrier billing unit 154 to access the access point 120. The authentication data received from the user terminal 110 is analyzed to perform an authentication procedure for checking whether the user is a legitimate user request. If the authentication is successful, the wireless terminal service of the user terminal 110 is allowed. Tracking and managing the current status of the wireless LAN service usage of the user terminal 110 to charge a user fee as a user ID.

In performing the above-described authentication procedure, the heterogeneous carrier authentication unit 152 authenticates a user through the subscriber database 164 of the heterogeneous carrier PU server 160 using the user ID and password of the user who requested the authentication. do. In this case, the user ID is checked to authenticate the user through the authentication server 180 of the corresponding service provider in the case of a service subscriber of another WLAN operator. If the user ID and password are not authenticated through the subscriber database 164, the access request is rejected and the login failure is transmitted to the user terminal 110.

As described above, the heterogeneous provider charging unit 154 tracks and manages the wireless LAN service usage status of the user terminal 110 and charges a user fee as a user ID. In addition, the heterogeneous operator billing unit 154 receives the charging information for each user ID from the access point 120 according to the access or interruption of the wireless LAN service for the user ID and transmits it to the PU server 160. In addition, in the user authentication process in the heterogeneous operator authentication unit 152, if it is confirmed that the service subscriber of the third-party WLAN operator, the corresponding billing information is provided to the authentication server 180 of the operator, the heterogeneous WLAN operator Perform billing from

The heterogeneous provider PU server 160 may include a Lightweight Directory Access Protocol (LDAP) unit 162, a subscriber database (hereinafter referred to as a subscriber DB) 164, a PU unit 166, and an administration (ADMIN) server ( 168 and a network server including a web server 170 to provide user information to the heterogeneous carrier authentication server 154, information on the access point 120, and the like, and billing information from the heterogeneous carrier authentication server 154. Receive and update the subscriber information for the user ID using the billing information, or update the subscriber information for the user ID at the request of the user or administrator.

The LDAP unit 162 provides a protocol for registering, updating, deleting, and retrieving user information stored in the subscriber DB 164, information about the access point 120, and the like.

The subscriber DB 164 is a database that stores information on the subscriber of the WLAN service, that is, an ID, password, terminal identification number, service management number, service type, and the like for authentication.

The PU unit 166 stores the charging information received from the heterogeneous operator charging unit 154 of the heterogeneous operator authentication server 142 and provides the charging information to the subscriber DB 164 and the user terminal 110.

The management server 168 updates the information stored in the aforementioned subscriber DB 164 according to the request of the web server 170. That is, when a request for a change in subscriber information, such as a change of a service type or a password for a user ID, is requested from the web server 170, a control function of changing corresponding user subscriber information stored in the subscriber DB 164 is performed. .

The web server 170 receives a request for change of subscriber information from an administrator or a user using the user terminal 110 connected to the Internet 130 and transmits it to the management server 260.

The authentication server 180 also performs the same function as the heterogeneous service provider authentication server 150 mentioned above, and includes an authentication unit 182 and a charging unit 184.

When the authentication unit 182 receives an authentication request for its service subscriber from the heterogeneous service provider authentication unit 152 of the heterogeneous service provider wireless LAN server 140, the authentication unit 182 uses user information stored in the subscriber DB (not shown). The authentication is performed, and the result is transmitted to the heterogeneous business operator authentication unit 152.

The billing unit 184 is a PU unit included in its WLAN server (not shown) when the billing information for its service subscriber is transferred from the heterogeneous carrier billing unit 154 of the heterogeneous carrier WLAN server 140. It delivers the billing information to (not shown) and stores it, and provides charges used by service subscribers to heterogeneous WLAN operators.

2 is a flowchart illustrating a WLAN service providing method according to an exemplary embodiment of the present invention.

A user located in the heterogeneous WLAN operator service area 112 inputs a user ID and a password into the user terminal 110 and requests access to a WLAN service. At this time, it is preferable to set the user ID to distinguish the WLAN operators. For example, if you are a subscriber of SK Telecom's WLAN service, enter your ID in the form of XXX@nate.com.If you are a subscriber of KT's WLAN service, enter your ID in the form of XXX@nespot.com. Set to enter. Alternatively, the ID may be set to SK Telecom in the form of 'SK12345', and KT may be set in the form of 'KT12345' to distinguish each wireless LAN service provider (S202).

The access point 120 receiving the service access request signal from the user terminal 110 requests the authentication of the user while transmitting the user ID and password to the heterogeneous service provider authentication server 150 (S204).

The heterogeneous operator authentication server 150 which has been requested to authenticate the user checks the input user ID to determine whether the user has subscribed to the company's wireless LAN service or the wireless LAN service subscriber of another operator (S206).

As a result of the determination, in the case of the subscriber of the WLAN service of the other operator, the authentication server 184 transmits the user ID and password to request authentication of the user (S208).

The authentication server 184 checks the transmitted user ID and password and checks whether the request is a service access request by a legitimate user by comparing the user information stored in the subscriber DB (not shown). In the authentication server 184, if authentication is successful as a legitimate user, the authentication success information is transmitted to the heterogeneous operator authentication unit 152 (S210).

The heterogeneous service provider authentication unit 152 requests the access point 120 to provide the WLAN service for the user terminal 110 when the authentication success is transmitted, and the access point 120 transmits the WLAN service through IP allocation. Provides (S212).

When the user terminates the wireless LAN service through the end of the program (S214), the heterogeneous carrier billing unit 154 of the heterogeneous carrier authentication server 150 calculates the fee for the amount of packets, time, etc. used by the user, and the billing unit 184 Transfer billing details). In this case, an additional fee for using the WLAN service in the heterogeneous WLAN service provider 112 may be additionally provided (S216).

The billing unit 184 notified of the billing details collects a fee from the user, and provides a portion to a heterogeneous WLAN service provider who provided the service.

Here, if the authentication failure is notified from the authentication server 184 in step S210, it informs the user terminal 110 that the wireless LAN service can not be provided.

In addition, if it is determined in step S206 that the user has subscribed to the wireless LAN service through the user ID input from the heterogeneous operator authentication server 150, the access point 120 undergoes an authentication process through the heterogeneous operator authentication server 150. Request to provide the WLAN service, and the access point 120 provides the WLAN service through IP allocation (S218). Then, when the WLAN service is terminated (S220), the charge details according to the packet amount, time, etc. used through the heterogeneous provider charging unit 154 is calculated and imposed (S222).

Through such a process, it is possible to provide a wireless LAN service in a heterogeneous wireless LAN service provider area.

3 is an exemplary screen of a user terminal for wireless LAN access in a heterogeneous wireless LAN service provider area according to a preferred embodiment of the present invention.

As mentioned above in step S202, a user located in the heterogeneous WLAN service provider 112 uses a WLAN access program included in the user terminal 110 to access the WLAN service using the user terminal 110. Run When the WLAN access program is executed, a screen as shown in FIG. 3 is displayed on the terminal.

The WLAN access screen includes an ID input unit, a password input unit, an access button, a cancel button, and a setting button.

Through the ID input unit, the user inputs an ID given from a subscribed WLAN service provider. In order to use the user ID in the form of an e-mail as shown in FIG. 3, the WLAN service provider previously uses the ID of each WLAN service subscriber 'XXX@nate.com', 'XXX@nespot.com', and 'XXX @ hanafos'. .com 'format.

In other words, even if the current user's location is an area where SK Telecom provides WLAN service, subscribers of KT's WLAN service can access the WLAN network provided by SK Telecom using the ID provided by KT. SK Telecom can check the wireless LAN service provider that the user subscribed through the entered ID.

After entering the ID, the user enters the password and clicks the access button to access the WLAN. The cancel button is used to cancel the connection request if the connection is not established for a certain time after the connection request.

The setting button is a button used to set a wireless LAN access environment such as a connection speed, automatic access status, and a status display method through a wireless LAN access program.

The user terminal 110 may request access to a wireless LAN service through the access screen provided as described above.

Here, the screen described in FIG. 3 is only one example screen, and in configuring the access screen displayed on the user terminal for accessing the wireless LAN according to the present invention, the mounted program and the user terminal manufacturer, WLAN operator, etc. Any variation can be made.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, when using the wireless LAN service, the wireless LAN service can be provided in the service area of the heterogeneous wireless LAN service provider instead of the service providing area of the wireless LAN service company to which the user has subscribed. Regardless of whether the mobility of receiving the WLAN service is guaranteed, the satisfaction of the WLAN service subscriber can be improved.

In addition, a wireless LAN service provider may provide a wireless LAN service to a user who has subscribed to its wireless LAN service using an access point of another wireless LAN service provider before installing an access point that covers the whole country. You can take time to build, distribute coverage by the cooperation of WLAN service providers, and set up to provide WLAN services through one WLAN service provider in one area, allowing multiple access to one area. There is no need to install points, which reduces the cost of building a system.

Claims (11)

 A user terminal located in a wireless LAN service area of a heterogeneous wireless local area network (WLAN) operator, and wireless in a heterogeneous wireless LAN service provider area that provides a wireless LAN service using a wireless LAN system of the heterogeneous wireless LAN operator. As a LAN service providing method, (a) receiving a wireless LAN service providing request signal including a user ID and a password from the user terminal; determining whether the user is a wireless LAN service subscriber of another wireless LAN service provider by determining a wireless LAN service provider to which the user has subscribed based on the user ID received from the user terminal; (c) requesting user authentication by transmitting the user ID and password to an authentication server of a wireless LAN operator subscribed to by the user; (d) if the user authentication is completed, providing a wireless LAN service to the user terminal; And (e) calculating charging when the wireless LAN service of the user terminal is terminated and transmitting the charging information to the charging server of the wireless LAN operator to which the user has subscribed; Wireless LAN service providing method in a heterogeneous WLAN service provider area comprising a.  The method of claim 1, wherein step (a) comprises: Method for providing a WLAN service in a heterogeneous WLAN service provider, characterized in that the WLAN service providing request signal including the ID and password is transmitted through a WLAN access program pre-loaded in the user terminal.  The method of claim 1, wherein step (b) comprises: Heterogeneous wireless LAN service provider, characterized in that for setting the user ID of the wireless LAN service provider to the user ID including the name of the wireless LAN operator, the ID of the email format provided by the wireless LAN provider Wireless LAN service providing method in the service area.  The method of claim 1, wherein step (b) comprises: If the wireless LAN service provider and the wireless LAN service provider in charge of the wireless LAN service area where the user is located are the same, the wireless LAN service is provided after authenticating the user through the authentication server of the heterogeneous wireless LAN service provider. Wireless LAN service providing method in a heterogeneous WLAN service provider area, characterized in that.  The method of claim 4, wherein If the wireless LAN service provider and the wireless LAN service provider in charge of the wireless LAN service area where the user is located are the same, after the wireless LAN service is terminated, the billing history of the heterogeneous wireless LAN service provider is calculated. WLAN service providing method in a heterogeneous WLAN service provider area.  The method of claim 1, wherein step (d) The user ID and password received from the authentication server of the wireless LAN operator subscribed to the user is compared with the user information stored in the subscriber database to perform authentication, and transmits the authentication result to the WLAN system. A method of providing a WLAN service in a WLAN service area.  The method of claim 1, wherein step (e)  The WLAN service providing method in a heterogeneous WLAN service provider, characterized in that the billing is calculated according to the wireless LAN provider, the amount of packets used by the user, the usage time. When there is a request for a wireless LAN service from a user terminal located in a wireless local area service (WLAN) wireless LAN service area, a wireless LAN service is provided to the user terminal using a wireless LAN system of the heterogeneous wireless LAN operator. A wireless LAN service providing system in a heterogeneous wireless LAN service provider area to provide, An access point (AP) connected wirelessly to the user terminal, connected to the Internet, receiving authentication data from the user terminal, receiving a request for access to the WLAN service, and allocating a radio resource to the user terminal (AP: Access) Point); A heterogeneous operator authentication server for analyzing the authentication data received from the access point and calculating billing information; A heterogeneous provider PU server for storing, registering, modifying, and updating information of a user who has subscribed to the WLAN service of the heterogeneous WLAN; And When there is a request for authentication data for a user from the heterogeneous service provider authentication server, an authentication server for performing authentication procedure by analyzing the authentication data received from the heterogeneous service provider authentication server (RADIUS Server: Remote Authentication Dial-In User Service Server) Wireless LAN service providing system in a heterogeneous WLAN service provider area comprising a. The method of claim 8, wherein the heterogeneous operator authentication server, Analyze authentication data of the user terminal received from the access point, and if the user terminal is a wireless LAN service subscriber of the heterogeneous wireless LAN service provider, performs an authentication procedure of the user terminal, and the user terminal of another wireless LAN service provider. Heterogeneous service provider for transmitting the authentication data to the authentication server if the WLAN service subscriber; And Heterogeneous provider billing unit that charges the usage fee to the heterogeneous carrier PU server or the authentication server by tracking and managing the status of the wireless LAN service usage of the user terminal Wireless LAN service providing system in a heterogeneous WLAN service provider area comprising a. The method of claim 8, wherein the heterogeneous service provider PU server, A subscriber database for storing user information of a user who has subscribed to a WLAN service of the heterogeneous WLAN provider; A Lightweight Directory Access Protocol (LDAP) unit that provides a protocol for updating, deleting, and retrieving registration of the user information and the access point; A PU unit for providing the billing information received from the heterogeneous operator authentication server to the subscriber database and the user terminal; A management server for changing user information stored in the subscriber database; And Web server for receiving the change of the user information from the administrator of the WLAN service providing system or the user of the user terminal to transmit to the management server Wireless LAN service providing system in a heterogeneous WLAN service provider area comprising a. The method of claim 8, wherein the authentication server, An authentication unit for analyzing the authentication data received from the heterogeneous operator authentication server and performing an authentication procedure by comparing with the user information stored in the subscriber database; And If the billing information is transmitted from the heterogeneous operator authentication server, the billing unit for providing a fee to the user to the heterogeneous wireless LAN provider Wireless LAN service providing system in a heterogeneous WLAN service provider area comprising a.

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