KR20070103644A - Mobile terminal performing a multi-communication and communication method thereof - Google Patents

Abstract

A mobile terminal capable of multi-communication and a communication method thereof are provided to enable the user of a mobile terminal, which do not support video communication, to perform multi-communication by supporting a multipoint video communication. A system to support multi-communication comprises the first mobile terminal(11), the second mobile terminal(12), and the third mobile terminal(13). The first and second mobile terminals(11,12) execute multipoint multi-communication. The third mobile terminal(13) executes a relay function so that communication can be performed between the first and second mobile terminals(11,12) using respectively different communication schemes. The third mobile terminal(13) comprises a wireless communication part, a short range wireless communication part, and a control part. The wireless communication part transmits and receives data according to a specific mobile communication scheme. The short range wireless communication part transmits and receives data with a terminal containing a short range wireless communication function according to a short range wireless communication scheme. For multipoint multi-communication, the control part converts and transmits Rx/Tx data, based on the specific mobile communication scheme, in accordance with short range wireless communication standards. Also the control part converts and transmits Rx/Tx data, based on the short range wireless communication scheme, in accordance with the standards of the specific mobile communication scheme.

Description

Portable terminal capable of multi-communication and its communication method {MOBILE TERMINAL PERFORMING A MULTI-COMMUNICATION AND COMMUNICATION METHOD THEREOF}

1 is an exemplary view for explaining a portable terminal capable of multi-communication according to an embodiment of the present invention.

2 is a block diagram showing a configuration of a portable terminal according to an embodiment of the present invention.

3 is a flowchart illustrating a communication method of a portable terminal capable of multi communication according to an embodiment of the present invention.

*** Explanation of symbols for main parts of drawing ***

11,12,13: first to third portable terminals 21: wireless communication unit

22: short-range wireless communication unit 23: audio processing unit

24: key input 25: memory

26: control unit 27: display unit

ANT: antenna MIC: microphone

SPK: Speaker

The present invention relates to a portable terminal, and more particularly, to a portable terminal and a communication method thereof for enabling communication between terminals of different communication methods.

In general, a portable terminal performs a function of enabling communication with a counterpart through a voice call service and a message.

Recently, the portable terminal is one of the important personal communication means at the time of pursuing the information society with the development of the information industry, the trend is continuously spread.

Accordingly, the portable terminal has evolved from communication through simple voice call and message exchange, and thus a communication method capable of video communication (image and voice call) and a video communication terminal capable of video communication have been released.

Therefore, it is possible to talk while looking at the other party's face according to the video communication method.

On the other hand, the communication method between portable terminals has been developed in one-to-one communication, that is, a call or data communication between a receiving side and a calling side, thereby enabling multi-communication.

Since the image communication by the multi-communication supports various multimedia such as voice data and image data, a wider frequency band is required than the frequency band of the basic communication method. Therefore, in the WCDMA system, which is currently classified as a third generation mobile communication, multi-image communication is possible using an image communication terminal.

However, the conventional multi-communication has a problem in that communication between terminals having the same communication method is performed, and thus communication cannot be performed by participating in multi-party multi-communication using a terminal having a different communication method.

Accordingly, an object of the present invention is to provide a portable terminal and a communication method thereof, which enable communication between terminals of different communication methods.

Another object of the present invention is to provide a portable terminal and a communication method thereof for enabling multi-party video communication between terminals of different communication methods using a short range wireless communication method.

The present invention for achieving the above object, the first and second portable terminal for performing multi-party multi-communication;

And a third portable terminal configured to perform a multi-communication multi-communication by performing a relay role to enable communication between the first and second portable terminals of different communication methods.

In addition, the present invention for achieving the above object, the first and second portable terminal for performing multi-party multi-image communication;

And a third portable terminal configured to perform a multi-layer multi-image communication by performing a relay role to enable video communication between the first and second portable terminals of different mobile communication methods.

In addition, the present invention for achieving the above object, in the mobile terminal for providing multi-party multi-communication between different mobile communication system,

A wireless communication unit for transmitting and receiving data according to a specific mobile communication method;

A short range wireless communication unit configured to transmit and receive data based on a short range wireless communication method with a terminal having a short range wireless communication function in a communication radius by a short range wireless communication method;

In the multi-party multi-communication, the transmission and reception data of the specific mobile communication method are converted and transmitted according to the standard of the short-range wireless communication method, and the transmission / reception data of the short-range wireless communication method are converted into the data of the specific mobile communication method. It characterized in that it comprises a control unit for controlling.

In addition, the present invention for achieving the above object, the process of performing a multi-party multi-communication of a predetermined terminal by the same specific mobile communication method;

The first portable terminal of any one of the predetermined terminal performs a relay role characterized in that the multi-party multi-communication between the second mobile terminal and the predetermined terminal different from the specific mobile communication method is made possible. .

In addition, the present invention for achieving the above object, the process of performing a multi-party multi-image communication by a predetermined terminal by the same specific mobile communication method;

A first portable terminal of any one of the predetermined terminals performs a relay role to enable multi-party multi-image communication between the second portable terminal different from the specific mobile communication method and the predetermined terminal. do.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described.

It should be noted that in the following description, only parts necessary for understanding the operation and operation according to the present invention will be described, and descriptions of other parts will be omitted so as not to distract from the gist of the present invention.

In the following description, specific details of the multi-communication portable terminal and its communication method are provided in order to provide a more comprehensive understanding of the invention. It will be apparent to one of ordinary skill in the art that the present invention may be readily practiced without these specific details and also by their modifications.

Meanwhile, an embodiment of the present invention proposes to enable multi-communication using a short range wireless communication method in order to enable multi-party multi-communication between terminals having different mobile communication methods. That is, one terminal performs a mobile communication method, and at the same time, a multi-tasking function using a short range wireless communication method performs a relay role to enable communication between different mobile communication methods. In this case, the multi-communication may be referred to as image communication, for example, to help understanding of the present invention.

That is, when a CDMA general terminal wants to participate in a video call in a situation where a WCDMA video communication terminal is being called, any one terminal making a video call using a short range wireless communication method and a short range wireless communication function Do this. Then, the video call and the terminal performing the short-range wireless communication function relays the communication between the terminal that does not support the video call function and the terminal in the video call (for example, when the short-range wireless communication function is Bluetooth Access point function).

According to the present invention, in the multi-party multi-communication between the first and third portable terminals, any one of the first and second portable terminals may request multi-communication to the third portable terminal. There may be a case where a multi-communication request is made to any one of the first and second portable terminals. However, it should be noted that only the signal flows according to the above-described request are different, and the technical configuration of performing multi-party multi-communication between different mobile communication schemes using a terminal serving as a relay is the same.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary view for explaining a portable terminal capable of multi communication according to an embodiment of the present invention.

Referring to FIG. 1, first, the first and second portable terminals 11 and 12 communicate by the same mobile communication method. In FIG. 1, the first and second portable terminals 11 and 12 are illustrated, but communication with a predetermined terminal may be performed in addition to the first and second portable terminals.

Thereafter, either the first portable terminal 11 or the second portable terminal 12 requests the third portable terminal 13 to participate in multi-communication, or the third portable terminal 13 requests the first portable terminal 13 to participate in the first communication. The mobile terminal 11 or the second mobile terminal 12 requests to participate in the multi-communication. In this case, in order for the user of the terminal receiving the participation request of the multi-communication to recognize this, a method of displaying a guide message on the screen together with information of the terminal to participate in the receiving terminal receiving the participation request. There can be various ways together.

Then, the terminal having the short range wireless communication function and the third portable terminal 13 performing the short range wireless communication function among the terminals in the first and second portable terminals 11 and 12 communicating by the mobile communication method. Here, the third portable terminal 13 should also have a built-in short-range wireless communication function. In FIG. 1, for example, the first portable terminal 11 may be a terminal having a built-in short-range wireless communication function. The first portable terminal 11 performs a relay role to enable communication between the second and third portable terminals 12 and 13 in multi-party multi-communication. Here, the short range wireless communication may be Bluetooth, infrared communication (IrDA), or RFID ID (RFID). The following is a brief description of Bluetooth. When the short range wireless communication function is executed, a process of performing short range wireless communication such as searching for a terminal within a short range of possible short range wireless communication is generally known, and thus a detailed description thereof will be omitted.

The Bluetooth is a frequency band that a user can use without a license as an industrial sci-entific medical (ISM) having a frequency of 2.4 GHz. Therefore, it is free in terms of popularization and can transmit data through obstacles such as walls and buildings.

By the short-range wireless communication function and the mobile communication method, the first portable terminal 11 converts the transmission / reception data by the specific mobile communication method with the second portable terminal 12 in accordance with the standard of the short-range wireless communication method and then the third portable terminal. Transfer to (13). The first portable terminal 11 converts the transmission / reception data by the short range wireless communication method into data of the specific mobile communication method and transmits the data to the second portable terminal 12. Here, a technique for converting data from the specific mobile communication method to the short range wireless communication method and the short range wireless communication method from the specific mobile communication method is generally possible by a known conversion technology, and a detailed description thereof will be omitted. .

Accordingly, multi-party multi-communication between the first to third portable terminals 11 to 13 is possible.

An internal configuration of the first portable terminal 11 which performs a relay role to enable multi-party multi-communication with the second and third portable terminals 12 and 13 having different mobile communication methods will be described below.

2 is a block diagram showing the configuration of a portable terminal according to an embodiment of the present invention.

Referring to FIG. 2, the wireless communication unit 21 processes a voice signal for a call origination and a transmission and reception text message. In addition, the wireless communication unit 21 transmits and receives voice and image data according to a specific mobile communication method according to an embodiment of the present invention. The wireless communication unit 21 is an RF transmitter for upconverting and amplifying a frequency of a transmitted signal, an RF receiver for low noise amplifying and downconverting a received signal, and encoding and modulating the transmitted signal. It may be composed of a codec for demodulating and decoding a signal. The codec includes a data codec for processing packet data and an audio codec for processing an audio signal such as voice.

The short range wireless communication unit 22 transmits / receives data according to the short range wireless communication method with a terminal having a short range wireless communication function in the communication radius by a short range wireless communication method. For example, if the short range wireless communication method is Bluetooth, Bluetooth communication is performed with a terminal providing a Bluetooth function.

The audio processor 23 reproduces the received audio signal output from the wireless communication unit 21 and outputs it to the speaker SPK or transmits the transmission audio signal generated from the microphone MIC to the wireless communication unit 21. Do this.

The key input unit 24 includes keys for inputting numeric and character information and function keys for setting various functions. In addition, the key input unit 24 may include a multi-party multi-communication key, a short range wireless communication key (request key and acceptance key), and the like according to an embodiment of the present invention.

The memory 25 may be composed of a program memory and a data memory. The program memory stores programs for controlling a general operation of the portable terminal and programs for multilateral communication according to an embodiment of the present invention. In addition, the data memory temporarily stores data generated during the execution of the programs. Further, the data memory temporarily stores received data during the multi-party multi-communication.

The controller 26 performs a function of controlling the overall operation of the portable terminal. In addition, the control unit 26 controls the overall operation to enable multi-party multi-communication with the same mobile communication system. Further, the control unit 26 converts and transmits and receives data by a specific mobile communication method according to a standard of a short range wireless communication method in multi-party multi communication according to an embodiment of the present invention, and transmits and receives data by the short range wireless communication method. Converts the data into the data of the specific mobile communication method and transmits the converted data. Here, the control unit 26 performs a multi-party multi-communication by performing a relay role to enable communication between a terminal communicating through a specific mobile communication method and a terminal performing communication using a short range wireless communication method. In addition, the control unit 26 temporarily stores the data received in the short-range wireless communication method and the data received in a specific mobile communication method in the memory 25, reads the temporarily stored data, and performs the corresponding communication method of the receiving terminal. Control to convert.

The display unit 27 displays messages generated during program execution under the control of the control unit 26. In addition, the display unit 27 displays screen data according to multi-party multi-communication according to an exemplary embodiment of the present invention. In addition, the display unit 27 may include an LCD controller, a memory capable of storing image data, and an LCD display device. In this case, when the LCD is implemented by using a touch screen method, the key input unit 24 and the LCD may be input units.

The operation of the portable terminal capable of multi-party multi-communication will be described with reference to FIG. 2.

First, the control unit 26 performs multi-party multi-communication with terminals of a specific mobile communication method, and transmits and receives data (audio and image data) using the wireless communication unit 21.

Accordingly, the controller 26 displays the data transmitted and received by the multi-party multi-communication on the display unit 27 and outputs the voice received through the audio processor 23 to the speaker SPK.

During the multi-party multi-communication, if the terminal different from the specific mobile communication scheme attempts to participate in the multi-party multi-communication, the control unit 26 uses a short-range wireless communication unit 22 to perform short-range wireless communication with a terminal within a short range wireless communication. Do this.

Accordingly, the control unit 26 converts the transmission / reception data by the specific mobile communication method according to the standard of the short-range wireless communication method and transmits the data through the short-range wireless communication unit 22, and transmits and receives the data by the short-range wireless communication method. The data is converted into data of a mobile communication method and transmitted to the wireless communication unit 21.

3 is a flowchart illustrating a communication method of a portable terminal capable of multi communication according to an embodiment of the present invention. 3 is a first to third portable terminal means a terminal of the same specific mobile communication method for the purpose of understanding the communication method according to the present invention, the fourth portable terminal is different from the specific mobile communication method and is short-range wireless Assuming that the terminal can communicate. In addition, it will be described under the assumption that the first portable terminal performs a relay role for enabling communication between the second and fourth portable terminals by performing communication with the fourth portable terminal by a short range wireless communication method.

Referring to FIG. 3, in step 301, the first to third portable terminals perform multi-party multi-communication.

In step 303, the first portable terminal determines whether the multi-party multi-communication includes the fourth portable terminal.

As a result of the determination, in the case of multi-party multi-communication including the fourth portable terminal, in step 305, the first portable terminal communicates with the second and third portable terminals in a specific mobile communication method, and at the same time, performs a short range wireless communication method. 4 Perform data communication with the portable terminal.

Then, in step 307, the first portable terminal converts the transmission / reception data according to a specific mobile communication method to the standard of the short range wireless communication method and transmits the data to the fourth portable terminal. In this case, the first portable terminal temporarily stores the received data received by the specific mobile communication scheme, reads the stored received data, and converts the received data into conformity with the standard of the short range wireless communication scheme to the fourth portable terminal. send.

In operation 309, the first portable terminal converts the transmission / reception data according to the short range wireless communication method into data of the specific mobile communication method and transmits the data to the second and third portable terminals. Herein, the multi-communication between the first and fourth portable terminals having different mobile communication methods is performed regardless of the order in which the steps 307 and 309 are performed. In this case, the first portable terminal temporarily stores the received data received by the short range wireless communication method, reads the stored received data, and converts the received data into conformance with the standard of the mobile communication method to convert the second and third portable devices. Send to the terminal.

The first portable terminal becomes an access point (AP) when the wireless local area communication method is Bluetooth, and the fourth portable terminal different from a specific mobile communication method also performs multi-party multi-communication with the first to third portable terminals. It plays a role of relay so that it can be done.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. In particular, the present invention refers to Bluetooth as a wireless local area communication method to explain multi-party multi-communication between a specific mobile communication method and a different terminal, but this is only an example to help understand the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

As described in detail above, in the present invention, in order to perform multi-party multi-communication between terminals of different mobile communication methods, one of the terminals becomes a terminal that performs a relay role, and thus receives data received by different communication methods. By converting and transmitting in accordance with the specification of the communication method of the receiving terminal, there is an effect of providing more opportunities to communicate with a variety of people from the multi-party multi-communication which was limitedly provided only in the case of the terminal of the same mobile communication method.

In addition, there is no need to purchase a terminal capable of multi-party multi-communication for multi-party multi-communication, thereby reducing the economic burden on the user.

In addition, there is an effect of eliminating the need to inform the terminal user who has not participated in the multi-party multi-communication because of the different mobile communication terminal, about data or conversation contents exchanged later through the multi-communication.

In addition, since multi-video communication is possible, there is an effect that multi-communication is possible even for a terminal user who does not support video communication.

Claims (21)

First and second portable terminals for performing multi-party multi-communication; And a third portable terminal configured to perform a multi-communication multi-communication by performing a relay role to enable communication between the first and second portable terminals of different communication methods. The method of claim 1, wherein the third portable terminal, A wireless communication unit for transmitting and receiving data according to a specific mobile communication method; A short range wireless communication unit configured to transmit and receive data based on a short range wireless communication method with a terminal having a short range wireless communication function in a communication radius by a short range wireless communication method; In the multi-party multi-communication, the transmission and reception data of the specific mobile communication method are converted and transmitted according to the standard of the short-range wireless communication method, and the transmission / reception data of the short-range wireless communication method are converted into the data of the specific mobile communication method. A portable terminal capable of multi-communication, comprising a control unit for controlling. The method of claim 2, wherein the third portable terminal, And a memory for temporarily storing received data during the multi-party multi-communication. The portable terminal of claim 1, wherein at least one of the first and second portable terminals and the third portable terminal are applied to a short range wireless communication method. The method of claim 1, wherein the third portable terminal, Performing communication in the same specific mobile communication scheme as any one of the first and second portable terminals, and performing short-range wireless communication with any one of the first and second portable terminals to which the specific mobile communication scheme is not applied. A multi-communication portable terminal, characterized in that for controlling multi-communication between the first and second portable terminals. According to claim 1, wherein the relay role of the third portable terminal converts the transmission and reception data by the specific mobile communication method according to the standard of the short-range wireless communication method and transmits, and the transmission and reception data by the short-range wireless communication method to the specific movement A portable terminal capable of multi-communication, characterized by converting the data into a communication method and transmitting the same. The method of claim 6, wherein the short range wireless communication method, Multi-communication portable terminal, characterized in that Bluetooth, infrared communication (IrDA), RF ID (RFID). According to claim 1, The multi-party multi-communication, A portable terminal capable of multi-communication, wherein the mobile communication system is a multi-video call between different terminals. First and second portable terminals for performing multi-party multi-image communication; 3. A portable terminal capable of multi-communication, comprising: a third portable terminal configured to perform a relay role to enable video communication between the first and second portable terminals of different mobile communication systems to enable multi-party multi-image communication. In a portable terminal that services multi-party multi-communication between terminals having different mobile communication methods, A wireless communication unit for transmitting and receiving data according to a specific mobile communication method; A short range wireless communication unit configured to transmit and receive data based on a short range wireless communication method with a terminal having a short range wireless communication function in a communication radius by a short range wireless communication method; In the multi-party multi-communication, the transmission and reception data of the specific mobile communication method are converted and transmitted according to the standard of the short-range wireless communication method, and the transmission / reception data of the short-range wireless communication method are converted into the data of the specific mobile communication method. A portable terminal capable of multi-communication, comprising a control unit for controlling. The transmission and reception data of the multi-party multi-communication according to claim 10, A portable terminal capable of multi-communication, characterized in that the data includes voice, image data, video, and the like. Performing a multi-party multi-communication by a predetermined terminal using the same specific mobile communication scheme; The first portable terminal of any one of the predetermined terminal performs a relay role characterized in that the multi-party multi-communication between the second mobile terminal and the predetermined terminal different from the specific mobile communication method is made possible Communication method of a portable terminal capable of multi-communication. The process of claim 12, wherein the multi-communication is possible. Requesting, by the first portable terminal, to participate in the multi-party multi-communication to the second portable terminal side; Enabling the first portable terminal to communicate with a predetermined terminal through a specific mobile communication method and executing the short range wireless communication method by the second portable terminal by participating in the multi-party multi-communication of the second portable terminal; Converting and transmitting data transmitted and received by the specific mobile communication method according to the standard of the short range wireless communication method, and converting and transmitting and receiving data by the short range wireless communication method into data of the specific mobile communication method. Communication method of a portable terminal capable of multi-communication, characterized in that made. The method of claim 13, wherein the converting the data into the specific mobile communication data and transmitting the data comprises: Temporarily storing, by the first portable terminal, the received data during multi-party multi-communication; And converting and transmitting the stored received data according to a standard of a communication method to be transmitted. The method of claim 12, wherein the first and second portable terminals are short-range wireless communication. The method of claim 15, wherein the short range wireless communication method, A communication method of a portable terminal capable of multi-communication, characterized in that Bluetooth, infrared communication (IrDA), RF ID (RFID). The method of claim 12, wherein the multi-party multi-communication, A communication method of a portable terminal capable of multi-communication, wherein the mobile communication system is a multi-video call between different terminals. The method of claim 12, wherein the multi-party multi-communication, A communication method of a portable terminal capable of multi-communication, characterized in that it is communication for exchanging data including audio, image data, video, and the like. Performing a multi-party multi-image communication by a predetermined terminal using the same specific mobile communication scheme; A first portable terminal of any one of the predetermined terminals performs a relay role to enable multi-party multi-image communication between the second portable terminal different from the specific mobile communication method and the predetermined terminal. Communication method of a portable terminal capable of multi-communication. The process of claim 19, wherein the multi-party multi-communication is possible. Requesting, by the first portable terminal, to participate in the multi-party multi-image communication to the second portable terminal side; Enabling the second portable terminal to perform a short range wireless communication method while the second portable terminal performs video communication with a predetermined mobile terminal through a specific mobile communication method by participating in multi-video communication of the second portable terminal. Wow; Converting and transmitting data transmitted and received by the specific mobile communication method according to the standard of the short range wireless communication method, and converting and transmitting and receiving data by the short range wireless communication method into data of the specific mobile communication method; Communication method of a portable terminal capable of multi-communication, characterized in that made. The method of claim 20, wherein the short range wireless communication method, A communication method of a portable terminal capable of multi-communication, characterized in that Bluetooth, infrared communication (IrDA), RF ID (RFID).

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