KR20040067618A - LAN adaptor unit for mobile phone - Google Patents

Abstract

PURPOSE: A LAN adaptor in a mobile phone is provided to directly connect a mobile phone to a very high-speed communication network, such as the ADSL, the VDSL, etc., so that the user can use the very high-speed Internet at a low cost. CONSTITUTION: A LAN adaptor(200) in a mobile phone comprises the second connection part(210), an IP management part(220), a control part(230), a signal conversion part(240), the first connection part(250), and a memory part(260). The second connection part(210) is connected to a connection line connected with the serial port of the mobile phone. The IP management part(220) manages an IP address allocated for self-identification on a wired Internet. The control part(230), using the IP address as a self-identification address, executes control so that the signals converted by the signal conversion part(240) can be transmitted and received between the mobile phone and the wired Internet. The signal conversion part(240) converts the signals transmitted and received between the mobile phone and the wired Internet. The first connection part(250) is connected to a LAN line connected with the wired Internet. The memory part(260) executes buffering for the signals transmitted and received between the mobile phone and the wired Internet.

Description

LAN adapter unit for mobile phone {LAN adapter unit for mobile phone}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a LAN adapter device for a mobile phone, wherein the mobile phone terminal is directly connected to a high speed communication network such as an asymmetric digital subscriber line (ADSL) and a very high data rate digital subscriber line (VDSL). The present invention relates to a mobile phone LAN adapter device that enables a mobile phone user to use high speed internet at low cost.

Recently, with the development of mobile communication technology, Internet services have been available through mobile terminals. However, the Internet service provided through the mobile communication network is very expensive, and is inferior in speed and data transmission stability to high speed communication networks such as ADSL and VDSL.

1 is a schematic diagram showing a conventional Internet network connection structure using a mobile phone.

In order to use the Internet, the cellular phone terminal 100 first makes a call to a Point to Point Protocol (PPP) server connected to the Internet through a mobile communication network. The PPP server has a telephone number notified from an ISP (Internet Service Provider) providing an Internet access service, and the cellular phone terminal 100 attempts to call the telephone number to use the Internet.

Next, negotiation for connection between the mobile phone terminal 100 and the PPP server is performed by a gateway mobile switching center (GMSC). That is, the gateway mobile switching center processes user authentication and assigns an IP to the authenticated mobile phone terminal, thereby allowing the mobile phone user to use the Internet service through the mobile phone terminal 100.

The mobile phone terminal 100 communicates with the nearest base station (BS), and moves to the next wireless base station range beyond the radio base station radio range by movement. You will continue to use it.

However, the Internet access method using such a mobile phone has a very complicated structure because the mobile phone terminal is connected to the Internet network through a mobile communication network and a public telephone network (PSTN), and the speed is very slow. There was a problem. In addition, the cost of using the Internet using a mobile phone is set very high, which has a disadvantage in that the mobile phone user is very burdened when using the Internet service using his mobile terminal.

Accordingly, the present invention is to provide a mobile phone LAN adapter device for enabling a mobile phone user to use the high-speed Internet at a low cost by configuring the mobile terminal to be directly connected to the high-speed communication network in addition to accessing the Internet using the conventional mobile phone described above. I did research.

The present invention has been invented under the above-described object, and an object of the present invention is to provide a mobile phone LAN adapter device capable of using the high-speed Internet at low cost since it can be directly connected to an ultra-high speed wired or wireless communication network by being external or embedded in the mobile phone terminal.

According to an aspect of the present invention for achieving the above object, the LAN adapter device for a mobile phone according to the present invention includes an IP management unit for managing an IP address assigned for self-identification on the wired Internet; A signal conversion unit converting a signal transmitted and received between the wired Internet network and the mobile phone terminal; A memory unit for buffering signals transmitted and received between the wired Internet network and a mobile phone terminal; A first connection unit for connecting a LAN line connected to the wired Internet network; A second connection part for connecting a connection line connected to the serial port of the mobile phone terminal; And a controller for controlling the entire apparatus including transmitting and receiving the signal converted by the signal conversion unit between the wired Internet network and the mobile phone terminal using the IP address managed by the IP management unit as the self identification address. It features.

According to another aspect of the present invention, a mobile phone LAN adapter device according to the present invention includes an IP management unit for managing an IP address assigned for self identification on the wireless Internet; A signal conversion unit converting a signal transmitted and received between the wireless Internet network and the mobile phone terminal; A memory unit for buffering signals transmitted and received between the wireless Internet network and a mobile phone terminal; A duplexer for separating a signal transmitted and received with a wireless Internet network through an antenna; An RF transmitter for outputting a signal converted by the signal converter from the cellular phone terminal to the wireless internet network through the antenna; An RF receiver for receiving a signal from the wireless Internet network through the antenna and outputting the signal to the signal converter; A connection unit for connecting a connection line connected to the serial port of the mobile phone terminal; And a controller for controlling the entire apparatus including transmitting and receiving the signal converted by the signal conversion unit between the wireless internet network and the mobile phone terminal by using the IP address managed by the IP management unit as the self identification address. It features.

According to another aspect of the present invention, a mobile phone LAN adapter device according to the present invention is a duplexer for separating a signal transmitted and received with a base station (BS) through an antenna, and an RF transmitter for transmitting data to the base station An RF receiver for receiving data from the radio base station, a controller for controlling voice communication signals and data communication signals transmitted and received through the RF transmitter and the RF receiver, a key input unit for key input, and a display unit for screen display. And a codec for encoding and outputting a voice signal input from a microphone, and for decoding and outputting a voice signal output to a speaker, and a memory for storing data, wherein the IP is allocated for self identification on a wired Internet. An IP management unit for managing an address; A signal converter converting a signal transmitted and received between the wired Internet network and the mobile phone terminal and outputting the signal through a serial port of the mobile phone terminal; And a controller for controlling the entire apparatus including transmitting and receiving the signal converted by the signal conversion unit between the wired Internet network and the mobile phone terminal using the IP address managed by the IP management unit as the self identification address. It features.

According to another aspect of the present invention, a mobile phone LAN adapter device according to the present invention is a duplexer for separating a signal transmitted and received with a base station (BS) through an antenna, and an RF transmitter for transmitting data to the base station An RF receiver for receiving data from the radio base station, a controller for controlling voice communication signals and data communication signals transmitted and received through the RF transmitter and the RF receiver, a key input unit for key input, and a display unit for screen display. And a codec for encoding and outputting a voice signal input from a microphone, and for decoding and outputting a voice signal output to a speaker, and a memory for storing data, wherein the IP is allocated for self identification on a wireless Internet. An IP management unit for managing an address; A signal conversion unit converting a signal transmitted and received between the wireless Internet network and the mobile phone terminal; A duplexer for separating a signal transmitted and received with a wireless Internet network through an antenna; An RF transmitter for outputting a signal converted by the signal converter from the cellular phone terminal to the wireless internet network through the antenna; An RF receiver for receiving a signal from the wireless Internet network through the antenna and outputting the signal to the signal converter; And a controller for controlling the entire apparatus including transmitting and receiving the signal converted by the signal conversion unit between the wireless internet network and the mobile phone terminal by using the IP address managed by the IP management unit as the self identification address. It features.

1 is a schematic diagram showing a conventional Internet network connection structure using a mobile phone

2 is a block diagram showing the configuration of a typical cellular phone terminal.

Figure 3 is a block diagram of an embodiment of an external wired LAN adapter device for mobile phones according to the present invention;

Figure 4 is a block diagram of an embodiment of an external wireless LAN device for a mobile phone according to the invention

5 is a block diagram of an embodiment of a built-in wired LAN adapter device according to the present invention.

Figure 6 is a block diagram of one embodiment of a built-in wireless LAN adapter for a mobile phone according to the present invention

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

100: mobile phone terminal 11, 380, 570: antenna

12, 370, 560: duplexer 13, 360, 550: RF receiver

14, 350, 540: RF transmitter 15: control unit

16: key input unit 17: display unit

18: memory 19: codec

20: microphone 21: speaker

22: serial port 200: mobile phone LAN adapter device

210: second connection portion 220, 320, 410, 510: IP management unit

230, 330, 420, 520: control unit 240, 340, 430, 530: signal conversion unit

250: First connection part 260, 390: Memory part

310: connection part

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce the present invention.

2 is a block diagram showing the configuration of a conventional mobile phone terminal, wherein the mobile phone terminal 100 includes an antenna 11, a duplexer 12, an RF receiver 13, an RF transmitter 14, and a controller ( 15, a key input unit 16, a display unit 17, a memory 18, a codec 19, a microphone 20, a speaker 21, and a serial port 22 are included. .

The antenna 11 radiates and collects radio waves.

The duplexer 12 separates signals transmitted and received with a base station (BS) through the antenna 11.

The RF receiver 13 receives data from the radio base station.

The RF transmitter 14 transmits data to the radio base station.

The controller 15 controls the overall apparatus including controlling a voice call signal and a data communication signal transmitted and received through the RF transmitter 14 and the RF receiver 13.

The key input unit 16 outputs a key input signal to the control unit 15 through key scan logic (not shown) in response to a key input from the user.

The display unit 17 displays a character or graphic image on the LCD screen of the cellular phone terminal according to the output signal from the control unit 15.

The memory 18 stores various data used in the mobile phone terminal 100.

The codec 19 encodes and outputs a voice signal input from the microphone 20, and decodes and outputs a voice signal output to the speaker 21.

The microphone 20 receives a call voice.

The speaker 21 outputs a call voice.

The serial port 22 is a terminal for serial communication with the outside, and typically connects a jack for charging when charging a mobile phone battery, or a connection jack connected to a USB port of a personal computer (PC).

The mobile phone terminal 100 having the above configuration receives the voice call through the microphone 20 and encodes the voice input through the codec 19 to convert the voice to the radio signal from the RF transmitter 14. Converts and radiates to the radio base station through the antenna 11, collects the signal output from the radio base station through the antenna 11, converts the frequency in the RF receiver 13, and outputs the converted frequency, the codec ( 19, a mobile phone call is performed by decoding and outputting a voice through the speaker 22.

On the other hand, the text data input by the key input unit 16 is converted into a radio signal in the RF transmitter 14 radiated to the radio base station through the antenna 11, the text data output from the radio base station is The frequency is collected by the antenna 11 and the frequency is converted by the RF receiver 13 and stored in the memory 18. When the user key-in the user through the key input unit 16, a character is output through the display unit 17. As a result, data communication for the text message is performed.

3 is a block diagram of an embodiment of an external wired LAN adapter for a mobile phone according to the present invention.

The external wired LAN adapter device 200 according to this embodiment is connected to the serial port 22 of the mobile phone terminal 100 described with reference to FIG. 2 through a connection line (not shown in the drawings), such as ADSL, VDSL, and the like. Is connected through a high-speed wired communication network and LAN (LAN) line, the mobile phone user is a device that allows the user to receive a high-speed wired Internet service through the serial port of the mobile phone terminal 100, the mobile terminal 100 Or the LAN adapter device 200 for a mobile phone is preferably equipped with connection management software that enables connection to a high-speed wired communication network using the device. This connection management software is a conventional technology that can be easily invented by those skilled in the art, and since it may blur the gist of the present invention, a detailed description thereof will be omitted.

The external wired LAN adapter device 200 according to this embodiment includes a second connection unit 210, an IP management unit 220, a control unit 230, a signal conversion unit 240, and a first connection unit. 250 and a memory unit 260.

The second connector 210 is connected to a connection line (not shown) connected to the serial port of the mobile phone terminal.

The IP management unit 220 manages an IP address allocated for self identification on the wired Internet. The IP address is a fixed or dynamic IP address given by an ISP (Internet Service Provider) providing the wired Internet access service, and the IP address managed by the IP management unit 220 is connected to the wired Internet through a mobile phone terminal. Unique identification information in the wired Internet network for the mobile phone terminal.

The controller 230 controls the IP address managed by the IP manager 200 to be a self-identifying address, and transmits and receives a signal converted by the signal converter 240 between the wired Internet network and the mobile phone terminal. To control the whole device.

The signal conversion unit 240 converts a signal transmitted and received between the wired Internet network and the mobile phone terminal. For example, the signal conversion unit 240 transmits a signal of a SLIP (Serial Line Internet Protocol) method, which is a transmission protocol used in serial communication output through the serial port of the mobile phone terminal, TCP / IP, which is a transmission protocol of a high-speed wired Internet network. (Transmission Control Protocol / Internet Protocol) type signal and converts a TCP / IP type signal received from a high-speed wired Internet network into a SLIP type signal suitable for transmitting to a mobile phone terminal through the serial port. At this time, it is natural that the transmission protocol used in the serial communication output through the serial port of the mobile phone terminal can be variously applied as necessary in addition to the above SLIP method.

The first connection part 250 is connected to a LAN line connected to the wired Internet network.

The memory unit 260 buffers a signal transmitted and received between the wired Internet network and a mobile phone terminal. That is, the memory unit 260 is used to temporarily store signals transmitted and received between the wired Internet network and mobile phone terminals having different data processing speeds, processing units, and data usage times.

Therefore, the external wired LAN adapter device 200 according to this embodiment is connected to the serial port of the mobile phone terminal through the second connection portion 210, and through the first connection portion 250 A LAN line connected to a wired internet network is connected to relay data transmission and reception between a wired internet network and a mobile phone terminal so that a user can enjoy the Internet service through a high-speed wired internet network using a mobile phone terminal. Under the control of the controller 230, the IP address managed by the IP management unit 220 as identification information, and the memory unit 260 as a temporary storage place through the signal conversion unit 240 wired Internet network It converts the signal transmitted and received between the mobile phone and the terminal into a signal suitable for the communication protocol.

In this way, the user can use the high-speed wired Internet at low cost by using an external wired LAN adapter device according to this embodiment connected to the serial port of the mobile phone terminal.

Figure 4 is a block diagram of an embodiment of an external wireless LAN device for a mobile phone according to the present invention.

The mobile wireless LAN adapter device 200 according to this embodiment is connected to the serial port 22 of the mobile phone terminal 100 described with reference to FIG. 2 through a connection line (not shown in the drawings). It is a device to receive the high-speed wireless Internet service through the serial port of the mobile phone terminal, and the mobile phone terminal 100 or the mobile phone LAN adapter device 200 to be connected to the high-speed wireless communication network using this device. Preferably, connection management software is mounted. This connection management software is a conventional technology that can be easily invented by those skilled in the art, and since it may blur the gist of the present invention, a detailed description thereof will be omitted.

LAN adapter device 200 for an external wireless mobile phone according to this embodiment includes a connection unit 310, IP management unit 320, a control unit 330, a signal conversion unit 340, RF transmitter 350 and And an RF receiver 360, a duplexer 370, an antenna 380, and a memory 390.

The connection unit 310 is connected to a connection line (not shown) connected to the serial port of the mobile phone terminal.

The IP management unit 320 manages an IP address allocated for self identification on the wireless Internet. The IP address is a fixed or dynamic IP address given by an ISP (Internet Service Provider) providing a wireless Internet access service, and the IP address managed by the IP management unit 320 when accessing the wireless Internet through a mobile phone terminal corresponds. Unique identification information in the wireless Internet network for the mobile phone terminal.

The control unit 330 includes controlling to transmit and receive a signal converted by the signal conversion unit 340 between the wireless Internet network and the mobile phone terminal by using the IP address managed by the IP management unit 320 as a self-identification address. To control the whole device.

The signal converter 340 converts a signal transmitted and received between the wireless Internet network and the mobile phone terminal. For example, the signal conversion unit transmits a SLIP (Serial Line Internet Protocol) signal, which is a transmission protocol used in serial communication outputted through the serial port of the mobile phone terminal, to the transmission control protocol of TCP / IP. / Internet Protocol) and converts a TCP / IP signal received from a high-speed wireless Internet network into a SLIP signal suitable for transmitting to a mobile phone terminal through the serial port. At this time, it is natural that the transmission protocol used in the serial communication output through the serial port of the mobile phone terminal can be variously applied as necessary in addition to the above SLIP method.

The RF transmitter 350 is output from the mobile phone terminal and transmits the signal converted by the signal converter 340 to the wireless Internet through the antenna 380.

The RF receiver 360 receives a signal from the wireless Internet network through the antenna 380, and outputs the signal to the signal converter 340.

The duplexer 370 separates a signal transmitted to and received from the wireless Internet network through the antenna 380. The duplexer 370 is a combiner having a different transmission band and a reception band for transmitting and receiving a signal without mutual interference by sharing the antenna 380 so that transmission and reception are simultaneously performed.

The antenna 380 radiates and collects radio waves.

The memory unit 390 buffers a signal transmitted and received between the wireless Internet network and a mobile phone terminal. That is, the memory unit 390 is used to temporarily store signals transmitted and received between the wireless Internet network and the mobile phone terminal having different data processing speeds, processing units, and data usage times.

Therefore, the external wireless mobile phone LAN adapter device 200 according to this embodiment is connected to the serial port of the mobile phone terminal through the connection unit 310 to relay data transmission and reception between the wireless Internet network and the mobile phone terminal user It is possible to enjoy the Internet service through a high-speed wireless Internet network using a mobile phone terminal, wherein the IP address managed by the IP management unit 320 under the control of the control unit 330 as identification information, the memory The unit 390 serves as a temporary storage place, and converts a signal transmitted and received between the wireless Internet network and the mobile phone terminal through the signal conversion unit 340 into a signal suitable for communication protocol.

Signals transmitted and received between the wireless Internet network and the mobile phone terminal are transmitted and received through the RF transmitter 350 and the RF receiver 360, and at this time, transmission and reception are simultaneously performed using one antenna 380 through the duplexer 370. To be done.

In this way, the user can use the high-speed wireless Internet at low cost by using an external wireless LAN adapter device according to this embodiment connected to the serial port of the mobile phone terminal.

5 is a block diagram of an embodiment of a built-in wired LAN adapter device according to the present invention.

Built-in wired LAN adapter device according to this embodiment is embedded in the mobile phone terminal 100 described in Figure 2 so that the high-speed wired Internet service can be provided through the serial port 22 of the mobile phone terminal 100 The mobile terminal 100 is preferably equipped with a connection management software to be connected to a high-speed wired communication network. This connection management software is a conventional technology that can be easily discovered by those skilled in the art, and since there is a risk of obscuring the gist of the present invention, a detailed description thereof will be omitted.

Description of the same configuration as in FIG. 2 described above will be omitted.

Built-in wired LAN adapter device according to this embodiment includes an IP management unit 410, a control unit 420, a signal conversion unit 430, the memory 18 of the mobile phone terminal described in FIG. Share and use

The IP management unit 410 manages an IP address allocated for self identification on the wired Internet. The IP address is a fixed or dynamic IP address given by an ISP (Internet Service Provider) providing a wired Internet access service. The IP address is managed by the IP management unit 410 when the wired Internet is connected through the mobile phone terminal 100. The address becomes unique identification information in the wired Internet network for the mobile terminal 100.

The control unit 420 controls the IP address managed by the IP management unit 410 to be a self-identifying address, and transmits and receives a signal converted by the signal conversion unit 430 between the wired Internet network and the mobile phone terminal 100. To control the overall device, including;

The signal converter 430 converts a signal transmitted and received between the wired Internet network and the mobile phone terminal 100 and outputs it through the serial port 22 of the mobile phone terminal 100. For example, the signal conversion unit 430 is a high-speed wired Internet network of the SLIP (Serial Line Internet Protocol) of the transmission protocol used in the serial communication output through the serial port 22 of the mobile phone terminal 100 It converts into a Transmission Control Protocol / Internet Protocol (TCP / IP) signal, which is a transmission protocol, and transmits a TCP / IP signal received from a high-speed wired Internet network to the mobile terminal 100 through the serial port 22. Convert to a suitable SLIP signal. At this time, it is natural that the transmission protocol used in the serial communication output through the serial port of the mobile phone terminal can be variously applied as necessary in addition to the above SLIP method.

Therefore, the built-in wired LAN adapter device according to this embodiment is embedded in the mobile phone terminal 100 and is connected between the wired Internet network and the mobile phone terminal 100 through the serial port 22 of the mobile phone terminal 100. Data transmission and reception allows a user to enjoy an Internet service through a high-speed wired Internet network using a mobile phone terminal, wherein the IP address managed by the IP management unit 410 is identified under the control of the control unit 420. It converts the signal transmitted and received between the wired Internet network and the mobile terminal 100 through the signal conversion unit 430 into a signal suitable for the communication protocol by using the information and the memory 18 as a temporary storage place.

By doing so, the user can use the high-speed wired Internet at low cost through the serial port 22 of the mobile phone terminal 100 using the built-in wired LAN adapter device according to the embodiment embedded in the mobile phone terminal.

Figure 6 is a block diagram of an embodiment of a built-in wireless mobile phone LAN adapter device according to the present invention.

LAN adapter device for a mobile phone of the built-in wireless type according to this embodiment is a device that is embedded in the mobile phone terminal 100 described in Figure 2 to receive a high-speed wireless Internet service, the mobile terminal 100 is a high-speed wireless Preferably, connection management software is provided which enables access to the communication network. This connection management software is a conventional technology that can be easily invented by those skilled in the art, and since it may blur the gist of the present invention, a detailed description thereof will be omitted.

Description of the same configuration as in FIG. 2 described above will be omitted.

LAN adapter device for a mobile phone of the built-in wireless type according to this embodiment includes an IP management unit 510, a control unit 520, a signal converter 530, an RF transmitter 540, an RF receiver 550, The duplexer 560 and the antenna 570 are included, and the memory 18 of the cellular phone terminal described with reference to FIG. 2 is shared.

The IP management unit 510 manages an IP address allocated for self identification on the wireless Internet. The IP address is a fixed or dynamic IP address given by an ISP (Internet Service Provider) providing a wireless Internet access service, and is managed by the IP management unit 510 when accessing the wireless Internet through the mobile phone terminal 100. The address becomes unique identification information in the wireless Internet network for the mobile terminal 100.

The control unit 520 transmits and receives a signal converted by the signal conversion unit 530 between the wireless Internet network and the mobile phone terminal 100 using the IP address managed by the IP management unit 510 as a self-identification address. Control the overall device, including controlling.

The signal converter 530 converts a signal transmitted and received between the wireless Internet network and the mobile phone terminal 100. For example, the signal conversion unit 530 converts a signal used in the mobile phone terminal 100 into a TCP / IP (Transmission Control Protocol / Internet Protocol) signal, which is a transmission protocol of a high speed wireless internet network, and a high speed wireless internet network. The signal received from the TCP / IP system is converted into a signal used in the mobile phone terminal (100).

The RF transmitter 540 transmits the signal output from the mobile phone terminal 100 and converted by the signal converter 530 to the wireless internet network through the antenna 570.

The RF receiver 550 receives a signal from the wireless Internet network through the antenna 570, and outputs the signal to the signal converter 530.

The duplexer 560 separates a signal transmitted to and received from the wireless Internet network through the antenna 570. The duplexer 560 is a combiner having different transmission bands and reception bands for transmitting and receiving signals without mutual interference by sharing the antenna 570 so that transmission and reception are simultaneously performed.

The antenna 570 radiates and collects radio waves.

Therefore, the built-in wireless mobile phone LAN adapter device according to this embodiment is embedded in the mobile phone terminal 100 to allow data transmission and reception between the wireless Internet network and the mobile phone terminal 100 so that the user can use a high-speed wireless Internet network using the mobile phone terminal. It is possible to enjoy the Internet service through, wherein, under the control of the control unit 520, the IP address managed by the IP management unit 510 as identification information, and the memory 18 as a temporary storage place By converting the signal transmitted and received between the wireless Internet network and the mobile terminal 100 through the signal conversion unit 530 into a suitable signal.

Signals transmitted and received between the wireless Internet network and the mobile phone terminal are transmitted and received through the RF transmitter 540 and the RF receiver 550. At this time, transmission and reception are simultaneously performed using one antenna 570 through the duplexer 560. To be done.

In this way, the user can use the high-speed wireless Internet at low cost through the mobile phone terminal 100 using the built-in wireless LAN adapter for the mobile phone according to the embodiment embedded in the mobile phone terminal.

LAN adapter device for a mobile phone according to the present invention as described above has a useful effect to be able to use the high-speed Internet at a low cost by being able to connect directly to a high-speed wired and wireless communication network is external or embedded in the mobile phone terminal.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that various modifications may be made therein without departing from the scope of the invention, which is covered by the following claims.

Claims (4)

An IP management unit managing an IP address allocated for self identification on the wired Internet; A signal conversion unit converting a signal transmitted and received between the wired Internet network and the mobile phone terminal; A memory unit for buffering signals transmitted and received between the wired Internet network and a mobile phone terminal; A first connection unit for connecting a LAN line connected to the wired Internet network; A second connection part for connecting a connection line connected to the serial port of the mobile phone terminal; A control unit for controlling the overall apparatus including controlling to transmit and receive a signal converted by the signal conversion unit between a wired Internet network and a mobile phone terminal by using the IP address managed by the IP management unit as a self identification address; Lan adapter device for an external wired mobile phone, characterized in that it comprises. An IP management unit managing an IP address allocated for self identification on the wireless Internet; A signal conversion unit converting a signal transmitted and received between the wireless Internet network and the mobile phone terminal; A memory unit for buffering signals transmitted and received between the wireless Internet network and a mobile phone terminal; A duplexer for separating a signal transmitted and received with a wireless Internet network through an antenna; An RF transmitter for outputting a signal converted by the signal converter from the cellular phone terminal to the wireless internet network through the antenna; An RF receiver for receiving a signal from the wireless Internet network through the antenna and outputting the signal to the signal converter; A connection unit for connecting a connection line connected to the serial port of the mobile phone terminal; A control unit for controlling the overall apparatus including transmitting and receiving a signal converted by the signal conversion unit between the wireless Internet network and the mobile phone terminal by using the IP address managed by the IP management unit as a self identification address; Lan adapter device for an external wireless mobile phone, characterized in that it comprises. A duplexer for separating signals transmitted and received from a base station (BS) through an antenna, an RF transmitter for transmitting data to the radio base station, an RF receiver for receiving data from the radio base station, the RF transmitter and RF Control unit for controlling voice call signal and data communication signal transmitted / received through receiving unit, key input unit for key input, display unit for screen display, voice signal inputted from microphone and outputted In the mobile terminal comprising a codec for decoding and outputting the data, and a memory for data storage, An IP management unit managing an IP address allocated for self identification on the wired Internet; A signal converter converting a signal transmitted and received between the wired Internet network and the mobile phone terminal and outputting the signal through a serial port of the mobile phone terminal; A control unit for controlling the overall apparatus including controlling to transmit and receive a signal converted by the signal conversion unit between a wired Internet network and a mobile phone terminal by using the IP address managed by the IP management unit as a self identification address; LAN adapter device for a mobile phone with a built-in wired method, characterized in that it comprises a. A duplexer for separating signals transmitted and received from a base station (BS) through an antenna, an RF transmitter for transmitting data to the radio base station, an RF receiver for receiving data from the radio base station, the RF transmitter and RF Control unit for controlling voice call signal and data communication signal transmitted / received through receiving unit, key input unit for key input, display unit for screen display, voice signal inputted from microphone and outputted In the mobile terminal comprising a codec for decoding and outputting the data, and a memory for data storage, An IP management unit managing an IP address allocated for self identification on the wireless Internet; A signal conversion unit converting a signal transmitted and received between the wireless Internet network and the mobile phone terminal; A duplexer for separating a signal transmitted and received with a wireless Internet network through an antenna; An RF transmitter for outputting a signal converted by the signal converter from the cellular phone terminal to the wireless internet network through the antenna; An RF receiver for receiving a signal from the wireless Internet network through the antenna and outputting the signal to the signal converter; A control unit for controlling the overall apparatus including transmitting and receiving a signal converted by the signal conversion unit between the wireless Internet network and the mobile phone terminal by using the IP address managed by the IP management unit as a self identification address; Lan adapter device for a mobile phone of the built-in wireless method, comprising a.