KR100598977B1 - Method and apparatus for meter-rate system in wireless Internet service with Wi-Fi - Google Patents

Abstract

The present invention relates to a pay-as-you-go billing method and apparatus for a wireless Internet service using a wireless LAN. In the virtual private network server, a method of performing charging for a wireless Internet service using a wireless LAN (a) is coupled to the virtual private network server through a network, and performs wireless LAN authentication by accessing a wireless LAN access point in a wireless LAN area. Receiving the tunnel generation request signal from the terminal generating the tunnel generation request signal including the terminal identification information, (b) extracting the terminal identification information included in the tunnel generation request signal to perform authentication, and Generating a virtual private network tunnel with the terminal in response to a tunnel creation request signal; (c) a pay-per-use for data transmitted from the content server accessed by the terminal to the terminal using the virtual private network tunnel from the pay server; In order to calculate billing information, a session start signal is generated to generate the virtual private network. And transmitting to a pay-as-you-go billing server coupled via a network, wherein the pay-as-you-go billing server is wired to the billing information transmitter and generates a pay-as-you-go CD by calculating the amount of packets used and performing the use of pay-as-you-go billing. can do.

WLAN, virtual private network, VPN, QOS, security level, server, pay-as-you-go

Description

Method and apparatus for pay-as-you-go bill for wireless Internet service using wireless LAN {Method and apparatus for meter-rate system in wireless Internet service with Wi-Fi}             

1 is a view showing the overall configuration of a system including a pay-as-you-go billing server for a wireless Internet service using a wireless LAN according to a preferred embodiment of the present invention.

Figure 2 is a flow diagram illustrating the overall operation of the system including a pay-as-you-go billing server for a wireless Internet service using a wireless LAN according to a preferred embodiment of the present invention.

3 is a diagram illustrating a connection configuration between a virtual private network and a pay-per-use billing server according to a preferred embodiment of the present invention.

4 is a flowchart illustrating a virtual private network connection procedure according to a preferred embodiment of the present invention.

5 is a diagram showing the configuration of a pay-per-use billing server according to a preferred embodiment of the present invention.

6 is a diagram illustrating the configuration of a wireless gateway and a charging server for charging content according to a preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: terminal

200: WLAN access point

210: wired network AAA server

220: wired CP server

230: base station

240: mobile communication network AAA server

250: wireless CP server

400: virtual private network server

500: wireless gateway

700: pay as you go server

The present invention relates to a method and apparatus for pay-as-you-go billing for a wireless Internet service using a wireless LAN. More particularly, the present invention relates to a wireless Internet service using a wireless LAN with improved security and mobility using a virtual private network (VPN). It relates to a method and apparatus for pay-as-you-go charging.

Wireless LAN, also known as Wi-Fi, means that wireless networks can be used conveniently, such as Hi-Fi Audio. Wireless LANs can be used to connect PDAs or notebook computers within a certain distance from where APs are installed. You can use the Internet. At the beginning, the radio range was only 10m, but in the 2000s, it has expanded to 50-hundreds of meters. In particular, with the popularization of terminals, the WLAN is rapidly expanding as an open wireless network, and Wi-Fi, which stands for wireless fidelity, provides high-speed data services to the entire city such as schools, airports, and hotels. It is used to. However, access functions (for example, hotspots) necessary for the Wi-Fi service are weak compared to the reliability of the conventional mobile communication network, and in particular, the WLAN security that can guarantee the safe use of the WLAN user is very weak.

Although the WLAN according to the prior art has the advantage of being low in cost while being able to transmit and receive a large amount of multimedia information while improving the transmission speed, there are many problems in terms of mobility and security compared to the existing mobile communication network. Recently, in order to provide a wireless Internet service through such a WLAN, a related technology for enhancing security and providing stability and convenience has been requested. However, there is no effective technology. No billing service is provided.

As described above, the WLAN cannot provide the same level of service as the existing mobile communication network in terms of mobility and security, and provides a stable and secure billing server because it is inefficient in providing effective services through connection with the mobile communication network. Is weak.

In order to solve the above problems, the present invention provides a method and apparatus for performing wired billing for packet usage according to a pay-per-use in a wireless LAN with improved security and mobility using a virtual private network (VPN). Has its purpose.

Another object of the present invention is to enhance the security of the weakness of the wireless LAN by using a Wi-Fi (Wi Fi) connection, it is possible to maximize the customer satisfaction by providing safety and convenience when using a wireless data service. In other words, the present invention may provide a wireless Internet service by connecting a wireless LAN and a mobile communication network, and at the same time, may provide a wireless Internet access service that guarantees safety, security, and convenience.

In addition, another object of the present invention is to provide a method and apparatus that can perform the charging continuously regardless of the switch between the wireless LAN and the mobile communication network, to prevent the charging accident, and to perform a security authentication of the customer. .

Other objects of the present invention will become more apparent through the preferred embodiments described below.

In order to achieve the above object, according to an aspect of the present invention, it is possible to disclose a pay-as-you-go billing method for a wireless Internet service using a wireless LAN with improved security and mobility using a virtual private network (VPN). .

According to a preferred embodiment, a method for billing for a wireless Internet service using a wireless LAN in a virtual private network server (a) is coupled to the virtual private network server through a network, access to a wireless LAN access point in the wireless LAN area Performing wireless LAN authentication and receiving the tunnel generation request signal from the terminal generating the tunnel generation request signal including the terminal identification information, (b) extracting terminal identification information included in the tunnel generation request signal Performing authentication; (c) creating a virtual private network tunnel with the terminal in response to the tunnel creation request signal; and (d) accessing a content server to which the terminal has requested access, and corresponding data to the content server. Transmitting to the terminal using the virtual private network tunnel, (e) creating the virtual private network tunnel; If when sending the session start signal to a usage-based charging server, (f) the virtual private network tunnel ends may comprise transmitting the session termination signals to the usage-based billing server.

The step (b) may be performed using subscriber identification information stored in a mobile communication network AAA server connected to the virtual private network server, and the pay-as-you-go charging method generates an information fee CD corresponding to data transmitted to the terminal. The method may further include transmitting the information fee CD to the accounting server so that the billing server coupled to the virtual private network server performs billing on the data using the information fee CD.

According to another preferred embodiment, a method of performing charging for a wireless Internet service in a pay-per-use billing server using a wireless LAN is (a) a virtual private network coupled to the pay-per-use billing server through a network and connected to a terminal through a virtual private network tunnel. Receiving a session start signal transmitted from a server, (b) counting packet usage of the terminal simultaneously with receiving the session start signal, and (c) receiving a session end signal transmitted from the virtual private network server. (d) terminating the count of the packet usage and generating a payload CD including the packet usage of the terminal; (e) using the generated payload CDal, which is used by the terminal according to a rate corresponding to the terminal; And performing charging for the packet usage.

In the step (b), the packet usage may be calculated for each terminal using the electronic serial number (ESN) of the terminal.

In order to achieve the above object, according to an aspect of the present invention, it is possible to disclose a pay-as-you-go billing method for a wireless Internet service using a wireless LAN with improved security and mobility using a virtual private network (VPN). .

According to a preferred embodiment, an apparatus for providing a wireless Internet service using a wireless LAN performs wireless LAN authentication by accessing a wireless LAN access point in a wireless LAN area, generates a tunnel generation request signal including terminal identification information, and generates the virtual Receiving unit for receiving the tunnel generation request signal from a terminal coupled via a private network server and a network, Virtual private network generation unit for connecting to the receiving unit, the virtual private network generation unit for creating a virtual private network tunnel corresponding to the tunnel generation request signal, Virtual An authentication unit configured to perform authentication by extracting terminal identification information included in the tunnel generation request signal, and connected to the authentication unit, and accesses a content server requested by the terminal to access the Data corresponding to the content server using the virtual private network tunnel A content transmitter for transmitting to the terminal and the authentication unit, and when the virtual private network tunnel is generated, transmits a session start signal to a pay-as-you-go billing server, and when the virtual private network tunnel is terminated, sends a session end signal to the pay-as-you-go server. Including a billing information transmitter for transmitting to, the pay server billing server is connected to the billing information transmitter by wire, calculates the amount of packets used to generate a pay-as-you-go CD, and can use the pay-as-you-go billing.

The authentication unit may be performed using subscriber identification information stored in a mobile communication network AAA server connected to the virtual private network server, and the wireless Internet service providing apparatus using the wireless LAN may provide an information fee CD corresponding to data transmitted to the terminal. A billing information generation unit for generating, a billing information transmission unit for transmitting the billing information CD to the billing server so that billing server coupled to the virtual private network server performs billing on the data using the billing CD. May contain

According to another preferred embodiment, a pay-per-use billing server connected to a wireless Internet service providing apparatus using a wireless LAN is connected to a virtual private network server, and when a virtual private network tunnel is created or terminated, a session start signal or session termination transmitted from the virtual private network. A receiver for receiving a signal, coupled to the receiver, a packet usage calculator for counting the packet usage for each terminal until the session end signal is received when the session start signal is received, and a packet usage calculator A CDR generation unit for generating a pay-per-agent CD including the counted packet usage for each terminal, and a pay-per-use charging information generation unit, and using the pay-per-agent CD, the amount of packet used by the terminal according to a rate corresponding to the terminal; Charging Execution Unit that charges for It may include.

Here, the packet usage calculator can calculate the packet usage for each terminal using the electronic serial number (ESN) of the terminal.

Hereinafter, a preferred embodiment of a method and apparatus for providing a wireless Internet service using a wireless LAN according to the present invention will be described in detail with reference to the accompanying drawings. The components to be given the same reference numerals and duplicate description thereof will be omitted.

Complete configuration and operating procedure

The present invention can disclose a method and apparatus for providing a wireless LAN-based wireless Internet service with improved security and mobility using a virtual private network (VPN). Hereinafter, FIG. 1 illustrates an overall configuration according to a preferred embodiment of the present invention, and FIG. 2 illustrates an overall operation procedure.

1 is a view showing the overall configuration of a wireless Internet service providing system using a wireless LAN according to a preferred embodiment of the present invention.

Wireless Internet service providing system using a wireless LAN according to the present invention includes a terminal 100 and a wireless LAN network and a mobile communication network connected to the terminal 100, the wireless LAN network and the mobile communication network virtual private network server 400, wireless The gateway 500 may be combined through the pay-as-you-go server 700. Here, the WLAN network may include a WLAN access point 200 and a wired network AAA server 210, and the mobile communication network may include a base station 230 and a mobile communication network AAA server 240. The wired network AAA server 220 may include at least one external wired portal or a wired content provider (CP) server 220. The mobile communication network may include a base station 230 and the mobile communication network AAA server 240. It may include a wireless portal or wireless CP server 250 outside of.

The terminal 100 according to the present invention is not limited to a PDA, a mobile phone, a notebook, a computer, and the like. If the terminal can be provided with a wireless LAN service by mounting a wireless LAN card, the terminal includes all existing or future terminals. The mobile communication module may include a mobile communication module (eg, a CDMA module or a GSM module) for receiving a mobile communication service.

The WLAN access point 200 enables a connection between the Internet and a network between users, and the WLAN technology according to the present invention may include a radio method using a radio wave technology and an infrared method using light. There are various standard standards for such a WLAN. Currently, IEEE 802.11b using wireless RF technology is determined as a standard standard of 11 Mbps, but the present invention is not limited to the name and method of the WLAN.

In general, when a wireless LAN service is requested, the wireless LAN must check the security of the customer in order to prevent charging accidents that may occur through the public network. In order to secure the security of the present invention, the terminal uses the terminal installed with the virtual private network module for the terminal, and executes the virtual private network client module (VPN Client Module) of the terminal when the platform is driven, and then authenticates the virtual private network server of the wireless operator. It may be configured to create a tunnel. In addition, after receiving the wireless data service, the generation of information fee for the use of the content may generate the CDR at the gateway and transmit the charge to the charging server, thereby performing real-time charging.

According to the related art, in a hotspot area in which a WLAN is available, the Internet is automatically connected to the Internet using a WLAN, and when the user leaves the hotspot, the Internet connection is disconnected. There is discomfort. The present invention is configured to combine the wireless LAN and the mobile communication network, so that the switching between the wireless LAN and the mobile communication network is automatically recognized and switched to one terminal.

Here, the virtual private network server 400 performs a function of establishing a virtual private network, and the wireless gateway 500 is shown separately to perform the function of authenticating the terminal 100 in conjunction with a mobile communication network AAA server, the virtual Of course, the private network server 400 may be implemented in one device to perform the wireless gateway 500. When the virtual private network server 400 or the wireless gateway 500 generates call detail record (CDR) information and transmits it to the content billing server 600, the content billing server 600 collects the CDR information and the content. The function of generating and paying billing information may be performed.

Call detail records (CDRs) are distinguished as follows:

Kinds Contents Pay as you go Call detail record including calculated packet usage (generated by pay as you go server) Informational CD Call detail record including content information fee sent from content server (created by VPN server or wireless gateway)

Herein, the virtual private network server according to the present invention accesses a wireless LAN access point in a wireless LAN area, performs wireless LAN authentication, generates a tunnel generation request signal including terminal identification information, and combines the virtual private network server through a network. A receiver configured to receive the tunnel generation request signal from a terminal, the receiver connected to the receiver, a virtual private network generator configured to generate a virtual private network tunnel with the terminal according to the tunnel generation request signal, and a virtual private network generator; An authentication unit for performing authentication by extracting terminal identification information included in the tunnel creation request signal, and connected to the authentication unit, and accessing a content server requested by the terminal to access data corresponding to the content server; Song for transmission to the terminal using a virtual private network tunnel It may comprise portions, in response to the terminal preset security information or details corresponding to encryption for secure transfer of information by encrypting the data portion. In addition, when the virtual private network tunnel is generated, the session start signal is transmitted to the pay-as-you-go billing server 700, and when the virtual private network tunnel is terminated, the session termination signal is transmitted to the pay-as-you-go billing server 700 and the pay-as-you-go server 700 By counting the packet usage in the can be charged for the terminal using the virtual private network.

In addition, the terminal according to the present invention is connected to a WLAN card unit for accessing a WLAN access point in the WLAN area, the WLAN card unit in order to perform WLAN authentication, and includes terminal identification information corresponding to the terminal. A tunnel generation request signal generator for generating a tunnel generation request signal, a transmitter connected to the tunnel generation request signal generator, for transmitting the tunnel generation request signal to a virtual private network server combined with the terminal through a network, the transmitter The terminal is connected to the virtual private network server, which extracts the terminal identification information included in the tunnel generation request signal, performs authentication, and generates the virtual private network tunnel with the terminal according to the tunnel generation request signal. The data corresponding to the content server requesting the virtual private network Has a corresponding receiver and the data received by the receiving unit to the terminal it may further include a decoding for decoding corresponding to a preset security information or detailed security information for receiving used.

2 is a view showing the overall operation of a wireless Internet service providing system using a wireless LAN according to a preferred embodiment of the present invention.

Referring to Figure 2 showing the entire operation process according to the present invention, the overall process according to the present invention may include an authentication process, a data transmission and reception process through a VPN setting, a pay-as-you-go billing process.

Hereinafter, referring to a flowchart describing the entire operation procedure according to a preferred embodiment of the present invention, first, in step S210, the terminal attempts to access a WLAN service in a WLAN area, and after WLAN subscriber authentication In operation S220, when the platform of the wireless terminal is driven, the VPN client is pre-installed on the terminal and the tunnel generation signal is transmitted. Here, the header of the tunnel generation signal may include terminal identification information for real subscriber authentication of the terminal.

In operation S230, the wireless gateway may perform terminal subscriber authentication by extracting terminal identification information included in the header according to a preset method. The authentication according to the invention is configured to authenticate using terminal identification information (e.g. device serial number) set corresponding to the terminal.

In step S240, after performing authentication, a virtual private network server and a tunnel is created. This tunnel is connected through a public IP network, but it ensures safety in a closed section and is connected from a wireless G / W server.

In addition, the service of the wireless portal through the wireless G / W and the content information usage fee generates the information fee CD in the G / W and transmits to the billing server. Here, after the terminal user and after such authentication, it can be determined whether the security private security network virtual subscriber. The present invention may be configured to identify a subscriber so as to guarantee QoS according to a user, and to provide a virtual private network service according to the present invention when the subscriber is a preset subscriber. When moving or leaving the WLAN area, the mobile network is switched to the mobile communication network, and the mobile communication network can provide and charge a service according to a conventional or future method. That is, the present invention can determine whether the terminal is a wireless LAN service area or a mobile communication network service area, and can provide a virtual private network service with enhanced security corresponding to the determination area.

In step S250, after the virtual private network server creates the tunnel, the virtual private network server transmits a session start signal to the pay-per-use billing server. If the session is terminated afterwards, the session termination signal is transmitted to the pay-per-use billing server.

In step S260, the pay-per-use server calculates the amount of packets used during the session in which the virtual private network tunnel is connected to generate pay-per-use CDs. Pay as you go details include details of the called party number, calling party number, calling party serial number (ESN), call type, call start time, call end time, usage of packets sent and received, and other information required for each call. It includes.

In step S270, the usage fee of the mobile communication terminal is calculated based on the pay-per-time CD at the pay-per-use billing server. The method of billing charges in proportion to the usage of the packet, and preferably includes a time-based pay-off, a hit-based pay-per-use, a session pay-as-you-go, or a partial flat rate that mixes the flat rate with the flat rate. In addition, the billing server may calculate a usage amount of the data packet used by the user, and then charge a fee corresponding to the rate of the user with reference to a predetermined rate of the user. Here, the rate of the user depends on the product set when the user subscribes to the service, preferably, the pay-per-use billing server may use the subscriber rate information stored in the mobile communication network AAA server connected to the virtual private network server.

VPN service

Hereinafter, a configuration of a virtual private network according to an embodiment of the present invention will be described with reference to FIG. 3, and a virtual private network connection procedure according to a preferred embodiment of the present invention will be described with reference to FIG. 4.

3 is a diagram illustrating a configuration of a virtual private network according to an embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described based on the case where the virtual private network is connected using a router for convenience of description, but the wireless LAN and the wireless gateway section may be connected to the virtual private network using other methods. Of course it is. For example, the present invention can establish a virtual private network using the above-described VPN support software, and can transmit and receive data through a protected virtual path.

Referring to FIG. 3, the terminal according to the present invention may be coupled to the virtual private network server 400 via the WLAN access point 200 and the WLAN-VPN router 300.

The WLAN-VPN router 300 connected to the WLAN access point 200 is an apparatus for allowing the terminal 100 to access the virtual private network server 400 at a predetermined specific location. The WLAN-VPN router 300 connects the WLAN-VPN router 300 to a virtual private network, and forms an IP tunnel between the WLAN-VPN routers 300 to transmit and receive data. It is configured to.

The terminal may be pre-installed in the mobile communication terminal, and may include a virtual private network client that transmits a tunnel creation request signal for the virtual private network to the virtual private network server when the Wi-Fi access point is connected. When the virtual private network client module of the terminal 100 transmits a location registration request signal to a visitor agent (not shown), the visitor agent identifies the visitor agent included in the location registration request signal of the terminal 100. When the information is transmitted to a home agent (HA) corresponding to the terminal 100, the home agent stores identification information of the visitor agent and in real time, the WLAN-VPN router 300 corresponding to the terminal and the virtual private network. Can be built.

For example, when the terminal transmits a virtual private network service request signal simultaneously with the operation of the platform, the visitor agent recognizes this and requests the virtual private network connection request to inform the WLAN-VPN router 300 that the terminal is connected to the service. Send the signal. Thereafter, the WLAN-VPN router 300 transmits data to a virtual private network established corresponding to the WLAN-VPN router 300 connected to the terminal or transmits the data through the WLAN-VPN router 300. Can be received.

4 is a diagram illustrating a virtual private network connection procedure according to a preferred embodiment of the present invention.

Hereinafter, the aforementioned virtual private network connection procedure will be described in more detail with reference to FIG. 4. First, the case of transmitting from the terminal will be described. When the terminal accesses the wireless LAN in step S405, when the virtual private network registration request signal is transmitted to the visitor agent corresponding to the wireless LAN area to which the terminal is connected, in step S410, the visitor agent accesses the terminal side wirelessly connected to the terminal. The registration is completed by sending the LAN-VPN router information to the home agent. Thereafter, the terminal-side WLAN-VPN router 300 may extract preset router information and access the virtual private network server 400 via the server-side WLAN-VPN router 300.

Next, the case of transmitting from the virtual private network server is as follows.

When detecting data to be transmitted to the terminal 100 of the virtual private network server 400 in step S420, via the server-side WLAN-VPN router 419, in step S425 corresponding to the terminal 100 as a home agent Request information from the visitor agent's address.

In step S435, the home agent extracts the address information of the visitor agent stored in advance, and transmits the address information to the server-side WLAN-VPN router 300 in step S440.

In step S445, the server-side WLAN-VPN router 300 performs routing to the terminal WLAN-VPN router 300 by using the address information. Thereafter, when the virtual private network is established between the server-side WLAN-VPN router 300 and the terminal-side WLAN-VPN router 300, the virtual private network server may transmit data to the terminal at step S450.

Pay as you go service

5 is a diagram illustrating a configuration of a pay-per-use billing server according to a preferred embodiment of the present invention. Referring to FIG. 5, a receiver 710, a packet usage calculator 720, a CDR generator 730, and a charge performer 740 are illustrated.

The receiver 710 is connected to a virtual private network server, and receives a session start signal or a session end signal transmitted from the virtual private network when the virtual private network tunnel is created or terminated. The packet usage calculator 720 is connected to the receiver 710, and counts the packet usage for each terminal after receiving the session start signal and terminates the count when the session end signal is received.

The CDR generation unit is connected to the packet usage calculating unit, and generates a pay-per-use CD including the counted packet usage for each terminal. Preferably, the pay-as-you-call CDA should have the called party number, calling party number, calling party serial number (ESN), call type, call start time, call end time, usage of transmitted / received packets, and other information required for each call. It includes details such as.

The charging performing unit 740 is connected to the CDR generation unit, and uses the payload CDial to charge the packet usage used by the terminal according to the rate corresponding to the terminal. The rate of the user depends on the product set when the user subscribes to the service, preferably, the pay-per-use billing server may use the subscriber rate information stored in the mobile communication network AAA server 240 connected to the virtual private network server.

Content Billing Service

6 is a diagram illustrating a configuration of a wireless gateway and a charging server for charging content according to a preferred embodiment of the present invention.

According to the present invention, the terminal connected to the wireless gateway may be configured to be continuously charged regardless of the movement of the WLAN or mobile communication network. The wireless gateway and billing server according to the present invention is a content billing processing device including a wireless LAN and a mobile communication network, and can transmit billing data online using a data transmission network.

Referring to FIG. 8, the wireless gateway according to the present invention generates an authentication fee 510 for authenticating the terminal using a unique terminal identifier corresponding to the terminal, not an ID and password. And a billing extracting unit 520 for extracting the information fee CDal information and a billing transmitter 540 for transmitting the fee information CDal information to a billing server.

The billing server 600 may include a billing collector 610 for receiving the information fee CDal information and a bill billing unit 620 for billing the bill using the collected billing information.

Here, the transmission network may include a mobile communication network, an X.25 network, an ATM network and an internet network for transmitting the billing data, and may enhance security and stability by using a virtual private network for the data network. Of course.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art that various modifications of the present invention without departing from the spirit and scope of the invention described in the claims below And can be changed.

As described above, the present invention provides a method and apparatus for providing a wireless Internet service using a wireless LAN according to the present invention. There is an effect that can provide a method and apparatus for performing the charge for the wire.

In addition, the present invention has the effect of extending the user's mobility beyond the wireless LAN service area to perform a pay-as-you-go bill for the services provided in connection with the existing mobile communication network.

In addition, the present invention may provide a wireless Internet service by linking a wireless LAN and a mobile communication network, and may perform a pay-as-you-go bill for a wireless Internet access service that guarantees safety, security, and convenience.

In addition, the present invention can perform the charging continuously regardless of the switch between the wireless LAN and the mobile communication network, there is an effect that can prevent the charging accident, and perform the security authentication of the customer.

On the other hand, in the detailed description of the present invention has been described with respect to specific embodiments, various modifications are of course possible without departing from the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but may be determined not only by the scope of the following claims but also by the scope equivalent to the scope of the claims.

Claims (10)

In the method of performing the billing for the wireless Internet service using a wireless LAN in a virtual private network server, (a) a mobile communication terminal coupled to the virtual private network server through a network, accessing a wireless LAN access point in a wireless LAN area, performing wireless LAN authentication, and generating a tunnel generation request signal including terminal identification information; Receiving a tunnel creation request signal, wherein the terminal identification information is an electronic serial number (ESN) of the mobile communication terminal; (b) extracting terminal identification information included in the tunnel creation request signal to perform authentication, and generating a virtual private network tunnel with the mobile communication terminal according to the tunnel generation request signal; (c) In order to calculate pay-as-you-go information for data transmitted from the pay-per-use server to the mobile communication terminal using the virtual private network tunnel from the content server accessed by the mobile communication terminal, generating a session start signal to generate the virtual Transmitting to a pay-as-you-go billing server combined with a private network server through a network; And (d) transmitting a session termination signal to the pay-per-use server when the virtual private network tunnel ends; The pay-per-use server is wired to the virtual private network server, calculates the packet usage during the session connected to the virtual private network tunnel, generates a pay-per-use CD, and uses the wireless Internet to perform pay-per-use billing using the same. How do you charge for services? The method of claim 1, Step (b) is Method for performing charging for a wireless Internet service using a wireless LAN, characterized in that the subscriber identification information stored in the mobile communication network AAA server connected to the virtual private network server. The method of claim 1, Generating an information fee CD corresponding to the data transmitted to the mobile communication terminal; And The wireless Internet using a wireless LAN, characterized in that the billing server coupled to the virtual private network server further comprises the step of transmitting the information fee CD to the billing server to charge the data using the information fee CD. How do you charge for services? In the method for performing the charging for the wireless Internet service using the wireless LAN in the pay-per-charge server, (a) receiving a session start signal including a terminal identification information from a virtual private network server coupled to the pay-as-you-go billing server through a network and connected through a virtual private network tunnel with a mobile communication terminal, wherein the terminal identification information is the mobile terminal; An electronic serial number (ESN) of the communication terminal; (b) identifying the mobile communication terminal by using the terminal identification information included in the session start signal, and counting packet usage of the terminal; (c) receiving a session termination signal from the virtual private network server recognizing the termination of the virtual private network tunnel; (d) terminating the count of packet usage and generating a payload CD containing the packet usage during the session in which the mobile communication terminal is connected to the virtual private network tunnel; (e) a pay-per-use billing server using a wireless LAN comprising generating and storing charging information on packet usage used by the terminal according to the subscriber rate information corresponding to the mobile communication terminal using the generated pay-per-time CD; To charge for wireless internet services in Thailand. delete In the wireless Internet service providing apparatus using a wireless LAN, Performs WLAN authentication by accessing a WLAN access point in a WLAN area, generates a tunnel generation request signal including terminal identification information, and receives the tunnel generation request signal from a mobile communication terminal coupled with a virtual private network server through a network. A receiving unit, wherein the terminal identification information is an electronic serial number (ESN) of the mobile communication terminal; A virtual private network generation unit connected to the receiver and configured to generate a virtual private network tunnel with the mobile communication terminal in response to the tunnel generation request signal; An authentication unit connected to the virtual private network generation unit and configured to perform authentication by extracting terminal identification information included in the tunnel generation request signal; And A content transmitter connected to the authentication unit and connected to a content server requested by the terminal to transmit data corresponding to the content server to the mobile communication terminal through the virtual private network tunnel; And It is connected to the authentication unit, and if the virtual private network tunnel is created, the session start signal to the pay-as-you-go billing server, and when the virtual private network tunnel is terminated includes a billing information transmitter to send a session end signal to the pay-as-you-go billing server. But The pay-per-charge server is wired to the charging information transmitter, calculates the packet usage during the session connected to the virtual private network tunnel, generates a pay-per-time CD, and uses the wireless LAN to perform pay-per-use billing. Internet service providing device. The method of claim 6, The authentication unit Apparatus for providing a wireless Internet service using a wireless LAN, characterized in that the subscriber identification information stored in the mobile communication network AAA server connected to the virtual private network server. The method of claim 6, A billing information generation unit for generating an information fee CD corresponding to the data transmitted to the mobile communication terminal; And And a billing information transmitter for transmitting the billing digital to the billing server so that the billing server coupled to the virtual private network server performs billing for the data using the billing digital. Wireless Internet service providing device using. In the pay-per-use billing server connected to the wireless Internet service providing apparatus using a wireless LAN, A receiver connected to a virtual private network server and receiving a session start signal or a session end signal transmitted from the virtual private network when the virtual private network tunnel is created or terminated; A packet usage calculation unit connected to the receiver and counting the packet usage for each mobile communication terminal until the session termination signal is received when the session start signal is received, wherein the packet usage is an electronic component of the mobile communication terminal. Counted for each mobile communication terminal using a serial number (ESN); A CD generating unit connected to the packet usage calculating unit and configured to generate a pay-per-use CD including the counted packet usage for each mobile communication terminal; And Charged for the packet usage during the session connected to the CDR generation unit, and using the payload CDA, the virtual private network tunnel used by the mobile communication terminal according to the rate corresponding to the mobile communication terminal. Pay-per-use billing server connected to the wireless Internet service providing apparatus using a wireless LAN including a charge performing unit. delete

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