KR100921000B1 - Method and Apparatus for Providing Portable Internet Service with Wired Internet Network - Google Patents

Abstract

The present invention relates to a method and apparatus for providing a portable internet service using a wired internet network.

To this end, the present invention provides a wired / wireless access point for generating a wireless channel for transmitting and receiving mobile Internet service related data and setting a service level, a wired / wireless gateway for transmitting and receiving mobile internet service related data using a VPN tunnel, and a mobile internet network. The present invention provides a portable Internet service providing system including an application server for providing portable Internet service related data to a connected wired / wireless gateway. The present invention also provides a portable Internet service providing method for transmitting a portable Internet service related data to a subscriber terminal by establishing a VPN tunnel and assigning a DHCP in response to the request for providing the portable Internet service from the subscriber terminal.

According to the present invention, it is possible to provide a high quality portable Internet service to a subscriber terminal located in a building or a home where the provision of the portable Internet service is poor through a wired Internet network which is guaranteed with a high data transmission speed and is widely used. .

Mobile Internet, Wired Internet, VPN, Access Point, Gateway

Description

Method and device for providing portable Internet service using wired internet network {Method and Apparatus for Providing Portable Internet Service with Wired Internet Network}

1 is a signal flow diagram illustrating a conventional mobile Internet service providing process;

2 is a block diagram schematically illustrating a system for providing a portable Internet service using a wired Internet network according to an embodiment of the present invention;

3 is a block diagram schematically illustrating an internal configuration of a wired / wireless AP according to an embodiment of the present invention;

4 is a block diagram schematically illustrating an internal configuration of a wired / wireless gateway according to an embodiment of the present invention;

5 is a flowchart illustrating a method for providing a portable Internet service using a wired Internet network according to an embodiment of the present invention.

6 is a signal flow diagram illustrating a portable Internet service providing process in a portable Internet service providing system using a wired Internet network according to an embodiment of the present invention.

The present invention relates to a mobile internet service, and more particularly, to a method and apparatus for providing a mobile internet service using a wired internet network.

With the development of mobile communication technology, it is possible to receive not only voice call service but also data service in various fields such as video, MP3, ringtone, internet, and game using mobile terminal. The utilization rate of the data service in the mobile communication area is steadily increasing, and from the circuit type data service network to the packet type data service network in response to requests for increasing data capacity and transmission speed. It is being converted.

As such a packet-based data service network, a wireless broadband (WiBro) or a wireless internet (WiMax) world interoperability access (WiBro) network using broadband wireless data service technology is provided. It is now possible to freely receive various services related to the Internet.

The mobile Internet service system controls a subscriber station (SS) for receiving mobile Internet service, a base station (RAS) for providing wireless access to the subscriber station, a base station (RAS), and controls an IP address. An access control router (ACR) or an access service network (ASN), an authentication server (AAA: Authentication, Authorization, Accounting) that performs subscriber authentication and billing functions, and an application server that provides data.

1 is a signal flow diagram illustrating a conventional portable Internet service providing process.

When the subscriber station transmits an access request signal for accessing the portable internet network to the base station, the base station and the access control router process the portable internet access signal received through the DHCP (Dynamic Host Configuration Protocol) negotiation with the subscriber station. When the authentication of the subscriber station using the authentication server is completed, the access control router assigns an IP address to the subscriber station and negotiates a quality of service (QoS) level to establish a wireless channel for data transmission and reception.

When the wireless channel is established, the subscriber station can access a portable internet network and receive various data provided by the application server.

According to the portable Internet service providing method, the user can freely access the Internet from anywhere using a subscriber terminal and receive various data services.

However, since the presently provided portable Internet service is in its initial form, the service is provided only in limited coverage due to a problem such as a large investment cost for the portable Internet system device, and thus limited radio resources are used to provide high capacity. There is a limitation in processing multimedia data. Due to such limited coverage problem, it is almost impossible to provide a portable Internet service in a home or building.

On the other hand, wired packet data networks (VDSL, ADSL, Cable Modem, Ethernet) are widely used in most homes and buildings, and the data service speed is much higher than that of wireless data communication. On the side. Accordingly, there is a need for a method of processing a small area that cannot be handled by a portable Internet service, such as a home or a building, through a wired Internet network.

In order to solve this problem, the present invention combines the mobile Internet network with a wired Internet network to cover a small area such as a home or building, thereby reducing the cost of building a mobile Internet network, and improves the speed of data transmission. Provided are a method and apparatus for providing a portable internet service using a wired internet network.

In order to achieve the above technical problem, the portable Internet service providing system according to an exemplary embodiment of the present invention is a system for providing a portable Internet service using a wired Internet network. Wired and wireless access points performing emulation functions related to configuration and IP assignment to subscriber stations; A wired / wireless gateway connected to the wired / wireless access point through a wired internet network, and transmitting and receiving data related to a mobile Internet service using a VPN tunnel generated between the wired and wireless access points; And an application server connected to the wired / wireless gateway through the portable internet network and providing data related to the portable internet service to the wired / wireless gateway.

In addition, the mobile Internet service providing method according to an embodiment of the present invention is a method for providing a mobile Internet service using a wired Internet network, session setting for the transmission of mobile Internet service-related data transmitted from a subscriber terminal by a wired or wireless access point Receiving; When the authentication procedure for the subscriber station is completed, generating a VPN tunnel for transmission of portable Internet service related data between the wired / wireless access point and the wired / wireless gateway; Performing an emulation function in the wired / wireless access point, assigning an IP to the subscriber station, and establishing a session for providing portable Internet service between the wired / wireless access point and the subscriber station using the assigned IP; And transmitting data related to the mobile Internet service to the subscriber terminal by using a VPN tunnel and a session established between the wired / wireless gateway, the wired / wireless access point, and the subscriber terminal.

In addition, the portable Internet service support method of a wired / wireless access point according to an embodiment of the present invention is a mobile Internet service support method in a wired / wireless access point that provides data related to portable Internet service transmitted through a wired Internet network to a subscriber terminal. Receiving a portable internet service provision request signal for transmitting portable internet service related data from a terminal; Transmitting a request for creating a VPN tunnel for transmitting portable Internet service related data to a wired / wireless gateway connected through a wired internet network; Creating a VPN tunnel by allocating a tunneling IP from a wired or wireless gateway; Assigning an IP to the subscriber station through emulation and establishing a session for providing a mobile Internet service using the assigned IP; And transmitting the portable Internet service related data to the subscriber terminal by using the VPN tunnel and the session.

In addition, the portable Internet service supporting method of the wired / wireless gateway according to the embodiment of the present invention is a portable Internet service supporting method in a wired / wireless gateway that delivers portable Internet service related data to a subscriber terminal through a wired internet network. Receiving a request for creating a VPN tunnel for transmission of data related to portable Internet service from a wired / wireless access point connected through the connection; Extracting subscriber station information from the creation request signal of the VPN tunnel and performing an authentication procedure for the subscriber station; Assigning a tunneling IP for creating a VPN tunnel to the wired or wireless access point; And creating a VPN tunnel with the wired / wireless access point and transmitting the portable Internet service related data using the generated VPN tunnel.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated.

In addition, the term module described herein refers to a unit for processing a specific function or operation, which may be implemented in hardware or software, or a combination of hardware and software.

2 is a block diagram schematically illustrating a system for providing a portable Internet service using a wired Internet network according to an embodiment of the present invention.

According to the present invention, a portable Internet service providing system using a wired Internet network includes a subscriber station 210, a wired / wireless access point 220, a wired modem 230, a wired / wireless gateway 240, an authentication server 250, and an application server 260. ).

The subscriber station 210 is a terminal using a high-speed wireless Internet service by accessing a portable Internet service providing system to receive or transmit traffic data, and may be implemented in various forms such as a PDA, a mobile phone, a notebook computer, and a computer.

A wired / wireless access point (AP) 220 supports an Internet connection and a wireless data service of a subscriber station 210 located in a jurisdiction, and provides a mobile Internet service according to the present invention. It plays a role in supporting it. To this end, the wired / wireless AP 220 establishes a DHCP session and QoS class for wireless data transmission and reception through DHCP negotiation with the subscriber station 210 and assigns an IP to the subscriber station 210. That is, the wired / wireless AP 220 performs a function of a base station in a portable Internet network, and performs some functions of an access control router. At this time, the function of the access control router performed in the wired / wireless AP 220 is preferably performed in an emulation method.

Here, the wired / wireless AP 220 includes an Ethernet interface and is located at the front end of the wired modem 230. As the wired / wireless AP 220 is located at the front end of the wired modem 230, the wired / wireless AP 220 is assigned an IP to be set from the wired Internet network during initial connection or when the power is turned on. . In addition, since the wired / wireless AP 220 is located at the front end of the wired modem 230, the subscriber station 210 does not need to perform an authentication procedure for the wired Internet network. That is, the operator of the Internet network only manages operations of the wired / wireless AP 220 only, and does not need to check whether the subscriber terminal 210 accesses the wired Internet network. Accordingly, in providing the portable Internet service according to the present invention to the subscriber station 210, even if the operators of the intermediary wired internet network are changed, a procedure such as modifying the subscriber database of the wired internet network is not required.

The structure and function of the wired / wireless AP 220 will be described in detail with reference to FIG. 3.

The wired modem 230 is a modem for connecting to a wired Internet network (VDSL network, ADSL network, Cable Modem network, Ethernet network, etc.).

The wired / wireless gateway 240 serves to connect the wired Internet network and the portable Internet network, and is a part that performs modulation and demodulation processing of data for transmission to the subscriber station 210. In addition, interworking with the authentication server 250 processes the charging according to the data used by the subscriber station 210.

In addition, the wired / wireless gateway 240 sets a tunneling IP for creating a virtual private network (VPN) tunnel and assigns it to the wired / wireless AP 220, and uses an application server (VPN) generated between the wired and wireless AP 220. 260 delivers the data received from the subscriber station 210 via the wired Internet network. The structure and function of the wired / wireless gateway 240 will be described in detail with reference to FIG. 4.

Here, when the subscriber station 110 receives data from the application server 260 according to an embodiment of the present invention, the call processing procedure should be performed as if it is operated in the portable Internet network. However, since the call processing procedure is actually performed in the wired internet network, a VPN should be used for accessing the portable internet network.

The authentication server 250 is an apparatus for performing an authentication procedure of a subscriber station to access a portable internet network. The authentication server 250 receives information of a subscriber station 210 to access a portable internet network from a wired / wireless gateway 240 and performs an authentication procedure. . To this end, the authentication server 250 may include a database for storing information of the mobile Internet service subscriber.

The application server 260 is a server operated by a portable Internet service provider and an additional service provider, and is a server that provides various content data through the portable Internet network. The application server 260 is connected to the wired / wireless gateway 240 through the portable Internet network, and provides various data to the subscriber station 210 through the wired Internet network through a VPN.

3 is a block diagram schematically illustrating an internal configuration of a wired / wireless AP according to an embodiment of the present invention.

Wired and wireless AP 220 according to an embodiment of the present invention is the RF / antenna module 310, the base station signal processing module 320, emulation module 330, VPN signal processing module 340, terminal session control module 350 And an IP address pool 360, a charging module 370, and a wired network connection module 380.

The RF / antenna module 310 receives various wireless communication signals including a mobile internet service provision request signal from the subscriber station 210, transmits them to the base station signal processing module 320 through frequency conversion, and receives the base station signal processing module ( This is a part for converting the frequency of the various data transmitted from 320 and transmitted to the subscriber station (210).

The base station signal processing module 320 converts the portable Internet access signal received from the subscriber station 210 into a digital signal through a wireless channel generated between the wired / wireless AP 220 and the subscriber station 210 to emulate the module 330. And converts the data received from the emulation module 330 through the RF / antenna module 310 and transmits the data to the subscriber station through the wireless channel. In other words, the base station signal processing module 320 is a part that emulates and executes a role of a base station of a portable Internet network.

The emulation module 330 performs an authentication procedure for the subscriber station 210 from the DHCP allocation request signal received from the subscriber station 210 to generate a wireless channel and negotiates a QoS level. In addition, it extracts an IP from the IP address pool 360 and assigns it to the subscriber station 210. That is, the emulation module 330 is a part which emulates and executes a part of the role handled by the access control router and the authentication server in the portable Internet network.

The RF / antenna module 310, the base station signal processing module 320, and the emulation module 330 may recognize various wireless signals and authentication parts so that the subscriber terminal 210 may recognize the subscriber terminal 210 as if it is connected to a normal portable Internet network. This section emulates various call processing.

The VPN signal processing module 340 performs signal processing with the wired / wireless gateway 240 to generate a VPN. The VPN signal processing module 340 generates a tunneling ID and a tunneling IP for generating a VPN and an IP assigned to the subscriber station 210. Mapping and transmitting, and is responsible for the tunneling function of the subscriber station (210). To this end, the VPN signal processing module 340 encapsulates a message transmitted to the wired / wireless gateway 240 or decapsulates a message received from the wired / wireless gateway 240.

The terminal session control module 350 generates and manages a wireless channel between the wired / wireless AP 220 and the subscriber station 210 through DHCP assignment. Accordingly, when there is no transmission or reception of data for a predetermined time or more through the generated wireless channel, the resource allocated to the wireless channel is collected and released.

The IP address pool 360 stores a plurality of IP addresses for allocating to the subscriber station 210, and extracts and provides IPs to be allocated to the subscriber station 210 at the request of the emulation module 330. To this end, the IP address pool 360 receives an IP group including a plurality of IP addresses from the wired / wireless gateway 240.

The charging module 370 monitors the data transmission / reception amount of the subscriber station 210 in real time to calculate charging information, and provides the calculated charging information to the wired / wireless gateway 240.

Here, the IP storing and providing function of the IP address pool 360 and the charging calculation function of the charging module 370 may be performed by the wired / wireless gateway 240, and the IP address pool 360 may be connected to the wired / wireless AP 220. The charging module 370 may be omitted.

The wired network access module 380 is a portion that connects to the wired internet network through the wired modem 230, receives various data transmitted from the wired / wireless gateway 240 through the wired internet network, and transmits the data to the VPN signal processing module 340. And, it transmits the transmission data transmitted from the VPN signal processing module 340 to the wired / wireless gateway 240 through the wired Internet network.

As such, a separate IP should be allocated to the wired / wireless AP 220 for data transmission and reception with the wired / wireless gateway 240. To this end, the wired and wireless AP 220 is assigned an IP from the wired Internet network.

4 is a block diagram schematically illustrating an internal configuration of a wired / wireless gateway according to an embodiment of the present invention.

Wired and wireless gateway 240 according to an embodiment of the present invention is a VPN packet transmission and reception processing module 410, a terminal session control module 420, IP address pool (430), billing module 440 and the portable Internet Network call processing module 450 is included.

The VPN packet transmission / reception processing module 410 receives a VPN generation request signal (VPN_Request) received from the wired / wireless AP 220 and allocates a tunneling ID and a tunneling IP to the wired / wireless AP 220, and between the wired and wireless AP 220. This part performs encapsulation and decapsulation of data packets transmitted and received.

The terminal session control module 420 manages the tunneling ID and the tunneling IP, and is generated between the VPN tunnel between the wired / wireless gateway 240 and the wired / wireless AP 220 and between the subscriber station 210 and the wired / wireless AP 220. This part manages the wireless channel.

The IP address pool 430 is a part for storing IP groups and tunneling IPs provided to the plurality of subscriber stations 210. The IP address pool 430 extracts and provides an IP group for allocating to a plurality of subscriber stations 210 located in a jurisdiction in the wired / wireless AP 220 according to a request of the terminal session control module 420. That is, after extracting an IP within a predetermined range as an IP group from the plurality of IPs to be allocated to the subscriber station 210, the extracted IP group is transmitted to the wired / wireless AP 220. The wired / wireless AP 220 extracts one IP from the IP group and assigns it to the subscriber station 210.

The charging module 440 calculates a charging from the charging information transmitted from the wired / wireless AP 220. At this time, if there is a separate billing server in the portable Internet service providing system, or if the authentication server 250 performs the billing calculation function, the billing module 440 is charged with the billing information transmitted from the wired and wireless AP 220 It performs the function of transferring to the charging server or authentication server (250).

Meanwhile, the wired / wireless AP 220 may not include the IP address pool 360 and the charging module 370. At this time, the IP address pool 430 of the wired / wireless gateway 240 serves to extract an IP to be allocated to the subscriber station 210, and the charging module 440 of the wired / wireless gateway 240 is the subscriber station 210. It monitors the amount of data transmission and reception in real time to calculate the billing information.

The portable internet network call processing module 450 performs data transmission / reception with the application server 260 and performs a connection function with the portable internet network by performing an authentication procedure with the authentication server 250.

Using the wired / wireless AP 220 configured as shown in FIG. 3 and the wired / wireless gateway 240 configured as shown in FIG. 4, a portable Internet service may be provided through a wired Internet network.

5 is a flowchart illustrating a method of providing a portable Internet service using a wired Internet network according to an embodiment of the present invention.

When the wired / wireless AP 220 receives the portable Internet service provision request signal from the subscriber station 210 through the wireless channel (S510), the wired / wireless AP 220 transmits the terminal information to the authentication server 250.

The authentication server 250 performs an authentication procedure for the subscriber station 210 by using the received terminal information (S520).

When the authentication procedure for the subscriber station 210 is completed, the wired / wireless gateway 240 allocates the tunneling IP to the wired / wireless AP 220 through the wired Internet network (S530), thereby creating a VPN tunnel to which the subscriber station can access. (S540).

When the subscriber station 210 is connected to the wired / wireless gateway 240 through the generated VPN tunnel, the wired / wireless AP 220 extracts and assigns an IP to be used by the subscriber station 210 from the IP address pool 360 (S550). .

As the DHCP is allocated between the subscriber station 210 and the wired / wireless AP 220 allocated to the IP, a DHCP session for data transmission is established, and the subscriber station 210 sets the wireless channel, the DHCP session, and the wired / wireless AP 220. Data is transmitted and received with the application server 260 by using the VPN tunnel generated between the wired and wireless gateway 240 (S560).

As described above, if there is a request for terminating the portable Internet service while transmitting and receiving data using the wireless channel, the DHCP session, and the VPN tunnel (S570), the wireless channel, the DHCP session, and the VPN tunnel set for data transmission and reception are released, and the subscriber station is terminated. The IP allocated to 210, the tunneling IP allocated to DHCP and the VPN tunnel are recovered, and the provision of the portable Internet service is terminated (S580).

6 is a signal flow diagram illustrating a portable Internet service providing process in a portable Internet service providing system using a wired Internet network according to an embodiment of the present invention.

When the subscriber station 210 enters a building or home where the wired / wireless AP 220 is installed, the subscriber station 210 receives the portable internet network signal of the wired / wireless AP 220. Accordingly, the subscriber station 210 may recognize that the mobile internet service is provided.

The subscriber station 210 transmits a portable internet service provision request signal to the wired / wireless AP 220 for the portable internet service provision request. At this time, the portable Internet service providing request signal transmitted to the wired / wireless AP 220 includes terminal information for authentication.

The wired / wireless AP 220 receiving the portable Internet service provision request signal emulates a signal processing procedure through the RAS signal processing module 320 and the ACR / AAA / QoS emulation module 330 to set up a wireless channel (S610). In operation S620, DHCP assignment for establishing a session in which data is transmitted is performed.

While the DHCP assignment is performed, the wired / wireless AP 220 transmits a VPN generation request signal (VPN_Request) for creating a VPN to the wired Internet network to the wired / wireless gateway 240. In this case, the generated VPN generation request signal includes the terminal information received through the portable Internet service provision request signal (S630).

After connecting to the authentication server 250 of the portable Internet network, the wired / wireless gateway 240 transmits an authentication processing request signal (Access_Request) including the received terminal information (S640).

The authentication server 250 compares the information stored in the subscriber database with the received terminal information, performs the authentication procedure of the subscriber terminal 210, and then transmits the authentication processing result (Access_Response) to the wired / wireless gateway 240 (S650). ).

The wired / wireless gateway 240 checks the received authentication processing result, and when the subscriber station 210 is normally authenticated, allocates a tunneling IP so that the subscriber station 210 can access the wired / wireless AP as a VPN response signal (VPN_Response). To 220).

At this time, if the subscriber station 210 is not normally authenticated through the received authentication process result, signal processing for creating a VPN is terminated (S660).

The wired / wireless AP 220 receiving the VPN response signal including the tunneling IP extracts an IP for allocating to the subscriber station 210 from the IP address pool 360 and assigns the extracted IP to the subscriber station 210. By doing so, a session is established between the subscriber station 210 and the wired / wireless AP 220.

When the session setup is completed, the DHCP assignment operation according to step S620 ends.

When a session is allocated between the subscriber station 210 and the wired / wireless AP 220, the wired / wireless AP 220 forms a VPN tunnel in the wired Internet network by using the tunneling IP allocated from the wired / wireless gateway 240 (S670). .

As such, when the VPN tunnel and the session are established, the portable Internet service through the data transmission and reception with the application server 260 is provided to the subscriber station 210 (S680).

According to the call processing procedure of the portable Internet service providing system, a subscriber station located in a building can receive a portable Internet service using a wired Internet network.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

As described above, according to the present invention, a high-quality portable Internet service is provided to subscriber terminals located in a building or a home where the provision of the portable Internet service is poor through a wired Internet network which guarantees a high data transmission speed and is widely used. Can be provided.

In addition, since the wired Internet network is established for data transmission, it is possible to construct a portable Internet service network at a low cost. Accordingly, the mobile Internet service provider can provide a high quality mobile Internet service to subscribers at a low cost. There is.

Claims (20)

In a system for providing a portable Internet service using a wired Internet network, A wired / wireless access point performing emulation functions related to wireless channel setting, service class setting, and IP allocation to subscriber stations for transmission and reception of portable Internet service related data; A wired / wireless gateway connected to the wired / wireless access point through the wired Internet network, and transmitting and receiving the portable Internet service related data using a VPN (Virtual Private Network) tunnel generated between the wired / wireless access point; And An application server connected to the wired / wireless gateway through a portable internet network and providing the portable internet service related data to the wired / wireless gateway. Mobile Internet service providing system comprising a. The method of claim 1, An authentication server connected to the wired / wireless gateway through a portable internet network and using the subscriber station information received from the wired / wireless gateway to perform authentication processing of the subscriber station. Mobile Internet service providing system, characterized in that it further comprises. The method of claim 1, The wired and wireless access point, A base station signal processing module configured to transmit and receive the portable Internet service related data through a wireless channel generated between the subscriber station and the subscriber station; An emulation module for negotiating authentication processing and the service class for the subscriber station; A VPN signal processing module configured to process signals transmitted and received with the wired / wireless gateway to create the VPN tunnel; And A terminal session control module for generating the radio channel with the subscriber station, and allocating and managing radio resources to the radio channel. Mobile Internet service providing system comprising a. The method of claim 3, The wired and wireless access point, An RF / antenna module for converting and processing frequencies of signals and data transmitted and received with the subscriber station; An IP address pool for storing an IP for assigning to the subscriber station; And Billing module for calculating billing information according to the amount of data related to the portable Internet service transmitted and received between the subscriber station The mobile Internet service providing system further comprises one or more of. The method according to claim 1 or 2, The wired and wireless gateway, A VPN packet transmission / reception processing module for generating a VPN tunnel with the wired / wireless access point and performing encapsulation and decapsulation processing on the portable Internet service related data transmitted and received through the VPN tunnel; A terminal session control module managing the generated VPN tunnel; And A portable internet network call processing module for processing the portable internet service related data transmitted and received with the application server. Mobile Internet service providing system comprising a. The method of claim 5, The wired and wireless gateway, An IP address pool for storing an IP assigned to the VPN tunnel and an IP assigned to the subscriber station; And Billing module for calculating billing using the billing information delivered from the wired and wireless AP A mobile Internet service providing system, characterized in that it further comprises one or more of. In the method for providing a portable Internet service using a wired Internet network, Receiving, by a wired / wireless access point, a session setup for transmitting the portable Internet service related data transmitted from a subscriber station; Generating a virtual private network (VPN) tunnel for transmitting the portable Internet service related data between the wired / wireless access point and the wired / wireless gateway when the authentication procedure for the subscriber station is completed; Performing an emulation function in the wired / wireless access point, assigning an IP to the subscriber station, and establishing a session for providing the portable Internet service between the wired / wireless access point and the subscriber station using the assigned IP; ; And Transmitting the mobile Internet service related data to the subscriber station by using the VPN tunnel and the session established between the wired / wireless gateway, the wired / wireless access point, and the subscriber station. Mobile Internet service providing method comprising a. The method of claim 7, wherein Receiving the session establishment request, The mobile Internet service providing signal comprising a mobile Internet service request signal including a DHCP (Dynamic Host Configuration Protocol) allocation request for the establishment of the session from the subscriber station and subscriber terminal information for authentication of the subscriber station; Way. The method of claim 8, Creating the VPN tunnel, An authentication step of performing an authentication procedure for the subscriber station in an authentication server using the subscriber station information; A tunneling IP allocating step of allocating a tunneling IP for generating the VPN tunnel to the wired / wireless access point when the authentication procedure is completed; And VPN tunnel generation step of creating the VPN tunnel between the wired and wireless access point and the wired and wireless gateway using the tunneling IP. Mobile Internet service providing method comprising a. The method of claim 9, The VPN tunnel creation step, And a VPN tunnel between the wired / wireless access point and the wired / wireless gateway in the wired internet network. The method of claim 9, After transmitting the data related to the mobile Internet service, Canceling the session and the VPN tunnel when the request for terminating the portable Internet service is input, and recovering the IP assigned to the subscriber station and the tunneling IP; The mobile Internet service providing method further comprises a. A mobile Internet service supporting method in a wired / wireless access point for providing mobile subscriber network-related data transmitted through a wired internet network to a subscriber terminal, Receiving a portable Internet service providing request signal for transmitting the portable Internet service related data from the subscriber terminal; Transmitting a request for creating a virtual private network (VPN) tunnel for transmitting the portable Internet service related data to a wired / wireless gateway connected through the wired internet network; Generating the VPN tunnel by receiving a tunneling IP from the wired or wireless gateway; Assigning an IP to the subscriber station through emulation and establishing a session for providing the mobile Internet service using the allocated IP; And Transmitting the mobile Internet service related data to the subscriber station using the VPN tunnel and the session; Mobile internet service support method of a wired or wireless access point comprising a. The method of claim 12, Receiving the portable Internet service provision request signal, The portable Internet service of the wired / wireless access point, wherein the portable Internet service providing request signal includes a DHCP (Dynamic Host Configuration Protocol) allocation request for establishing the session and subscriber terminal information for authentication of the subscriber terminal. How to apply. The method of claim 13, Transmitting the creation request signal of the VPN tunnel, And transmitting the subscriber station information received through the portable Internet service provision request signal to the wired / wireless gateway together with the VPN tunnel creation request signal. The method of claim 12, Setting up the session, And extracting one IP from the pool of IP addresses in which the IP for allocation to the subscriber station is stored and allocating one IP to the subscriber station. The method of claim 15, Setting up the session, Allocating the IP extracted from the IP address pool to the subscriber station; Allocating DHCP between the subscriber station configured with the IP; And Establishing the session using the assigned DHCP Mobile Internet service support method of a wired or wireless access point comprising a. delete delete delete delete

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