KR101314604B1 - Method for connecting wireless internet in mobile terminal and Mobile terminal thereof and System thereof - Google Patents

Abstract

The present invention provides a mobile terminal for generating and transmitting a TCP connection request signal including an identifier for indicating a type of a transmission control protocol (hereinafter, referred to as 'TCP'); A method of connecting to a wireless internet comprising a wireless internet server for confirming whether a TCP connection corresponding to an identifier of a request signal received from the mobile terminal is possible, and performing a corresponding TCP connection operation if possible as a result of the checking; The present invention relates to a system for this purpose, which has an effect of maximizing data transmission efficiency by optimizing interworking between a wired network TCP connection and a wireless network TCP connection according to the reception sensitivity of a mobile terminal.

Mobile terminal, wireless internet, TCP interworking

Description

Wireless Internet connection method and mobile terminal for same and system therefor {Method for connecting wireless internet in mobile terminal and Mobile terminal

1 is a signal processing diagram illustrating an embodiment of a wireless Internet connection process between a mobile terminal and a wireless Internet server according to the present invention.

2 is a flowchart illustrating an exemplary TCP connection request signal generation process of a mobile terminal according to the present invention.

3 is a format showing the structure of a TCP header.

4 is a block diagram of an embodiment of a mobile terminal according to the present invention.

DESCRIPTION OF THE RELATED ART [0002]

110: mobile terminal 120: wireless Internet server

410: communication unit 420: input unit

430: Memory 440: Display

450:

The present invention relates to a mobile terminal, and more particularly, to a wireless Internet connection method for connecting the wireless Internet used in the mobile terminal, and a mobile terminal and a system therefor.

Currently, the Transmission Control Protocol (hereinafter referred to as 'TCP') installed in a mobile terminal capable of wireless Internet conforms to the Request for Comments (RFC) 793 specification developed for use on a wire.

However, since the characteristics of wired and wireless networks are different, TCP used for a mobile terminal is not optimized for a wireless network.

To this end, Wireless Profiled TCP is defined in the WAP (WAP) 2.0 specification for optimized TCP performance in wireless networks.

In addition, in order for the mobile terminal to use the optimized TCP in the wireless network, the wireless Internet server must also use the same type of TCP as the mobile terminal.

However, there is currently no way to tell the wireless Internet server which type of TCP, whether wired network RFC 793 TCP or wireless network WAP 2.0 TCP, to the wireless Internet server, depending on the sensitivity of the wireless network. There is a problem that data transmission efficiency is not good because network interworking is not optimized.

An object of the present invention is to use a reserved area of the TCP header, wireless Internet connection method for maximizing data transmission efficiency by optimizing the interworking of a wired network TCP connection and a wireless network TCP connection according to the reception sensitivity of the mobile terminal and a mobile terminal for the same and The purpose is to provide a system for this purpose.

According to an aspect of the present invention, there is provided a wireless Internet connection system comprising: a mobile terminal for generating and transmitting a TCP connection request signal including an identifier for indicating a type of a transmission control protocol (hereinafter, referred to as 'TCP'); And a wireless internet server for checking whether a TCP connection corresponding to the identifier of the request signal received from the mobile terminal is possible, and performing the corresponding TCP connection operation if possible.

Preferably, the mobile terminal measures the reception sensitivity, and if the measured reception sensitivity is greater than or equal to the reference value, generates a TCP connection request signal including an identifier indicating the type of TCP used in the wired network, and the measured reception sensitivity is less than or equal to the reference value. In this case, a TCP connection request signal including an identifier indicating a type of TCP used in a wireless network is generated.

In this case, the wired network TCP is a Request for Comments (RFC) 793, and the wireless network TCP is a WAP (Wireless Application Protocol) 2.0.

In addition, the mobile terminal inserts the identifier into the reserved area of the request signal header and generates the identifier.

In addition, the wireless Internet connection method of the mobile terminal according to the present invention comprises the steps of: generating a TCP connection request signal including an identifier for indicating the type of Transmission Control Protocol (hereinafter referred to as 'TCP'); And transmitting the generated request signal.

At this time, the generating step, the step of measuring the reception sensitivity of the mobile terminal; Generating a TCP connection request signal including an identifier indicating a type of TCP used in a wired network when the measured reception sensitivity is greater than or equal to a reference value; And generating a TCP connection request signal including an identifier indicating the type of TCP used in the wireless network when the measured reception sensitivity is less than or equal to the reference value.

In addition, the mobile terminal according to the present invention, the control unit for generating a TCP connection request signal including an identifier for indicating the type of Transmission Control Protocol (hereinafter referred to as "TCP"); It includes a communication unit for transmitting the request signal generated by the control unit.

As described above, the mobile terminal discussed in the present invention may be applied to various types of terminals such as a game machine, a digital camera, and a PMP as well as a digital broadcasting terminal, a PDA, a mobile phone, and a smartphone.

Hereinafter, a description will be given on the assumption that the present invention is applied to a mobile terminal such as a mobile phone for simplicity of explanation.

However, it should be noted that the present invention is not limited thereto.

The above-mentioned objects, features and advantages will become more apparent from the following detailed description in conjunction with the accompanying drawings. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a signal processing diagram illustrating an embodiment of a wireless Internet connection process between a mobile terminal and a wireless Internet server according to the present invention.

Referring to FIG. 1, the mobile terminal 110 generates a TCP connection request signal including an identifier for indicating the type of TCP (S101).

Hereinafter, a process of generating a TCP connection request signal of the mobile terminal 110 will be described in detail with reference to FIGS. 2 and 3.

2 is a flowchart illustrating an exemplary TCP connection request signal generation process of a mobile terminal according to the present invention.

3 is a format showing the structure of a TCP header.

2 and 3, the mobile terminal 110 measures the reception sensitivity of the current wireless network in order to optimize the interworking of the wired network TCP connection and the wireless network TCP connection according to the reception sensitivity (S101a).

If the measured reception sensitivity is less than or equal to a preset reference value (S101b), the mobile terminal 110 currently has a very poor wireless network reception sensitivity of the mobile terminal 110, and is used in a wired network. ') When connecting TCP, data loss may occur.

Therefore, the mobile terminal 110 uses the WAP (WAP) 2.0 TCP connection used in the wireless network and the wireless Internet server 120 to identify the type of the WAP 2.0 TCP. It inserts into the Reserved area of the TCP header shown in (S101c).

The reference value is connected to the mobile terminal 110 and the wireless Internet server 120 by RFC 793 TCP, which is used in a wired network, and is a measure of the reception sensitivity when a loss occurs during data transmission / reception. Do.

In addition, if the measured reception sensitivity of the mobile terminal 110 is greater than or equal to a preset reference value, the mobile terminal 110 has a good wireless network reception sensitivity, and thus no data loss occurs even when a TCP used in a wired network is connected. .

Therefore, the mobile terminal 110 inserts an identifier indicating the type of RFC 793 TCP used in the wired network into the Reserved area of the TCP header shown in FIG. 3 (S101d).

The mobile terminal 110 generates a TCP connection request signal in which an identifier indicating the type of the WAP 2.0 TCP or an identifier indicating the type of the RFC 793 TCP is inserted according to the magnitude of the reception sensitivity and the reference value as described above (S101e). .

That is, 6 bits are allocated in the reserved area of the current TCP header.

Hereinafter, an identifier indicating the type of the RFC 793 TCP is defined as a binary bit string '00', and an identifier indicating the type of the WAP 2.0 TCP is defined as a binary bit string '10'.

As described above, the mobile terminal 110 generates a TCP connection request signal in which '00' is inserted into the reserved area of the TCP header when the measured reception sensitivity is less than or equal to the reference value. Creates a TCP connection request signal with '10' inserted in the reserved area of the TCP header.

As described above, the mobile terminal 110 generates a TCP connection request signal including an identifier indicating the connection of the RFC 793 TCP used in the wired network and the WAP 2.0 TCP used in the wireless network according to the reception sensitivity of the wireless network. The Internet server 120, the RFC 793 TCP and the WAP 2.0 TCP can be interlocked.

The mobile terminal 110 transmits the TCP connection request signal generated by the process of FIGS. 2 and 3 to the wireless Internet server 120 (S102).

The wireless internet server 120 checks whether the TCP (RFC 793 identifier or WAP 2.0 identifier) corresponding to the identifier included in the received TCP connection request signal is available for connection (S103).

If the wireless Internet server 120 does not support the TCP corresponding to the identifier, and thus connection is impossible, the wireless internet server 120 transmits a NAK message to the mobile terminal 110 (S105).

If the wireless Internet server 120 supports the TCP corresponding to the identifier, and if the connection is possible, the wireless Internet server 120 transmits an ACK message to the mobile terminal 110 (S106) and performs the connection operation of the TCP corresponding to the identifier. To transmit and receive data with the mobile terminal 110 (S107).

When the mobile terminal 110 receives a NAK message from the wireless Internet server 120 for a TCP connection request signal including an identifier indicating a connection of the WAP 2.0, the mobile terminal 110 indicates that the wireless Internet server 120 does not support WAP 2.0. Therefore, the wireless Internet server 120 sends a TCP connection request signal including an identifier indicating the connection of the RFC 793 to request the TCP connection again.

4 is a block diagram of an embodiment of a mobile terminal according to the present invention.

Referring to FIG. 4, the mobile terminal 110 according to the present invention includes a communication unit 410, an input unit 420, a memory 430, a display unit 440, and a controller 450.

The communication unit 410 transmits a TCP request signal including an identifier indicating the type of TCP generated by the control unit 450 to the wireless Internet server 120, and sends an ACK or NAK message received from the wireless Internet server 120. It receives and outputs to the control unit 450.

The input unit 420 is a user interface and includes a plurality of numeric keys and function keys, and outputs key signals for the keys to the controller 450. Preferably, the input unit 420 may be formed in the form of a touch pad or a touch screen according to the configuration of the mobile terminal 110.

The memory 430 stores a predetermined program for controlling the overall operation of the mobile terminal 110 and various data input and output when the control operation of the mobile terminal 110 is performed.

The display unit 440 receives and displays display data corresponding to a key signal from the input unit 420 under the control of the controller 450, and displays the operation state of the mobile terminal 110 and a plurality of information in the form of icons and text. To be displayed.

The controller 450 controls the overall operation of the mobile terminal 110, and will be described in detail with respect to the operation of the wireless Internet connection according to an embodiment of the present invention.

When the key signal for the wireless Internet access is input from the user through the input unit 420, the controller 450 measures the reception sensitivity of the current mobile terminal 110 according to an embodiment of the present invention.

Thereafter, the controller 450 generates a TCP connection request signal by inserting an identifier indicating the type of the WAP 2.0 TCP in the reserved area of the TCP header when the measured reception sensitivity is less than or equal to a preset reference value in the memory 430.

In addition, if the measured reception sensitivity is greater than or equal to a preset reference value in the memory 430, the controller 450 inserts an identifier indicating the type of RFC 793 TCP used in the wired network into a reserved area of the TCP header to provide a TCP connection request signal. Create

As described above, the controller 450 generates a TCP connection request signal in which an identifier indicating the type of the WAP 2.0 TCP or an identifier indicating the type of the RFC 793 TCP is inserted according to the magnitude of the measured reception sensitivity and the reference value. .

The control unit 450 transmits the generated TCP connection request signal to the wireless Internet server 120 through the communication unit 410.

Then, when the control unit 450 receives the ACK message response to the transmitted request signal from the communication unit 410, performs a TCP connection according to the general TCP connection procedure, and then according to the corresponding TCP type (RFC 793 or WAP 2.0) Send / receive data through flow control and retransmission process.

In addition, when the NAK message is received from the wireless Internet server 120 for the TCP connection request signal including the identifier indicating the connection of the WAP 2.0, the control unit 450 does not support the WAP 2.0. Since it is a server, the wireless Internet server 120 transmits a TCP connection request signal including an identifier indicating the connection of the RFC 793 to request the TCP connection again.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. For example, it will be very easy for those skilled in the art to use the above-described embodiments in combination with each other.

Accordingly, the above detailed description should not be construed as limiting in all aspects and should be considered as illustrative.

The scope of the invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the invention are included in the scope of the invention.

Wireless Internet connection method and a mobile terminal and a system therefor according to the present invention has the effect of maximizing data transmission efficiency by optimizing the interworking of a wired network TCP connection and a wireless network TCP connection according to the reception sensitivity of the mobile terminal.

Claims (12)

Measuring a reception sensitivity of the mobile terminal; Generating a first TCP connection request signal including a first identifier indicating a type of a first Transmission Control Protocol (TCP) used in a wired network when the measured reception sensitivity is greater than or equal to a reference value; Transmitting the generated first TCP connection request signal; And Generating a second TCP connection request signal including a second identifier indicating a type of a second TCP used in a wireless network when the measured reception sensitivity is less than or equal to a reference value; And And transmitting the generated second TCP connection request signal. delete The method of claim 1, The first TCP is a Request for Comments (RFC) 793, The second TCP is a wireless application protocol (WAP) 2.0, wherein the wireless Internet connection method of a mobile terminal. The method of claim 1, The generating of the first TCP connection request signal may include generating the first identifier by inserting the first identifier into a reserved area of a header of the first TCP connection request signal. The second TCP connection request signal generating step may include generating the second identifier by inserting the second identifier into a reserved area of a header of the second TCP connection request signal. Measuring a reception sensitivity of the mobile terminal, and generating a first TCP connection request signal including a first identifier indicating a type of a first transmission control protocol (TCP) used in a wired network when the measured reception sensitivity is equal to or greater than a reference value; A controller configured to generate a second TCP connection request signal including a second identifier indicating a type of a second TCP used in a wireless network when the measured reception sensitivity is less than a reference value; And And a communication unit for transmitting any one of a first TCP connection request signal and a second TCP connection request signal generated by the controller. delete 6. The method of claim 5, The first TCP is a Request for Comments (RFC) 793, The second TCP is a WAP (Wireless Application Protocol (WAP)) 2.0, characterized in that the mobile terminal. 6. The method of claim 5, And the control unit generates and inserts the first and second identifiers into a reserved area of a header of the first and second TCP connection request signals, respectively. Measuring the reception sensitivity, if the measured reception sensitivity is more than the reference value generates and transmits a first TCP connection request signal including a first identifier indicating the type of the first Transmission Control Protocol (TCP) used in the wired network, the measurement A mobile terminal for generating and transmitting a second TCP connection request signal including a second identifier indicating a type of a second TCP used in a wireless network when the received sensitivity is less than a reference value; And Check whether the TCP connection corresponding to the first identifier or the second identifier included in the first TCP connection request signal or the second TCP connection request signal received from the mobile terminal is possible, and if possible, perform the corresponding TCP connection operation. A wireless Internet connection system comprising; performing a wireless Internet server. delete 10. The method of claim 9, The first TCP is a Request for Comments (RFC) 793, The second TCP is WAP (Wireless Application Protocol; WAP '2.0) characterized in that the wireless Internet connection system. 10. The method of claim 9, And the mobile terminal inserts the first and second identifiers into a reserved area of a header of the first and second TCP connection request signals, respectively, to generate the first and second identifiers.

Images