KR20010061317A - Data transmitting method in mobile terminal having touch pad - Google Patents

Abstract

PURPOSE: A data transmitting method in a cellular phone equipping a touch pad is provided to transmit graphic data while performing voice communication, and to prevent an interception of a voice communication connection. CONSTITUTION: A cellular phone user of a transmitting touch pad uses a primary traffic in a multiplex option, and inputs graphic data to a touch pad while communicating with a cellular phone user of a receiving touch pad. A cellular phone of the transmitting touch pad uses a secondary traffic in the multiplex option, and transmits the graphic data to the cellular phone user of the receiving touch pad.

Description

Data transmitting method in mobile terminal with touch pad

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile phone having a touch pad, and more particularly, to a data transmission method of a mobile phone having a touch pad capable of transmitting graphic data and text data to a counterpart mobile phone during a voice call using the mobile phone.

The mobile communication system is composed of a mobile station (hereinafter referred to as a mobile phone), a base station (BTS), a base station controller (BSC) and a mobile switching center (MSC), among which a mobile phone is a digital cellular network (DCN), a personal mobile phone. A mobile terminal (PCS) such as a personal communication service (PCS). The base station changes the signal format between the mobile phone and the base station controller to be suitable for the wireless link and the wired link. The base station controller functions for each element of the base station. It is a means of access between the cell operator and the cell operator, and it is related to base station operation management, service state management of hardware and software in base station, resource allocation and configuration for call traffic, information collection about base station operation, base station operation, monitoring and fixing It performs the monitoring function of the lower device. The mobile switching center then configures access points for user traffic between the base station controller management and the mobile communications network and the mobile switching center of the general telephone network or the same mobile communication system.

In general, a mobile phone can be folded by separately separating a liquid crystal display (LCD) portion and a keypad portion of a terminal, such as a lid type on a bar type bar or bar type keypad portion. There is a clamshell, and recently there is a watch phone configured with a terminal in a clock shape.

Recently, the mobile phone can be used in various ways, such as listening to AM or FM radio broadcasts using a mobile phone, or downloading MP3 music from the Internet as an audio file format (file extension mp3) and storing it in the mobile phone. Is being developed. As described above, the MP3 file is stored in the mobile phone by using a multimedia card to connect the mobile phone to the PC through a receptacle.

Such mobile phones were initially used only for voice communication, but recently, they are also used for data communication. Examples of such mobile phones are mobile electronics using smartphones, which provide access to the Internet without a computer and location information service. It is also used for mail processing, electronic commerce (securities transactions, ticket and train ticket reservations) and traffic information.

Such a smart phone is a mobile terminal device in which a personal digital assistant (PDA) and a personal mobile phone are combined. A dual PDA is a portable personal digital assistant having a mobile phone function, a portable computer function, a fax function, and an electronic notebook function. . In other words, the PDA uses a pen or voice instead of the existing keyboard input, provides a GUI (Graphic User Interface) environment, and provides the computer functions of the notebook computer and communication with the outside, so that a user can access a small and portable terminal. Provide the function. The biggest feature of such PDA is that letters, pictures, and directions can be input by pen or voice instead of keyboard input.

Such existing mobile phones can send voice or data, but in the case of voice, they are sent in a circuit-switched manner, and in the case of data, they are sent in a packet-switched manner. At this time, there are many restrictions when the user sends graphic or text data.

That is, the user can select a switching method first and then use a channel. In the circuit switching method, the user connects the call to the other party before the call and talks. At this time, only the voice signal can be sent.

In the case of a packet, voice and data can be sent together, but due to the influence of the packet network, the delay or the order of the packets are changed, causing the voice to be broken.

In addition, in general, the notes to be remembered during a call or memorized in a cell phone to use later, but the keypad part of the phone was not easy to use for humans.

In such a conventional mobile phone or PDA, in order to send data during a voice call, a call must be re-set and data must be transmitted. When a user wants to transmit data other than voice and voice at the same time, the voice is easily broken.

In addition, since there is no function to send voice and graphic data together, there are many problems in that it is inconvenient for people with disabilities having abnormalities in speech or hearing organs.

An object of the present invention has been made in view of the above-mentioned problems of the prior art, the data transmission in the mobile phone having a touch pad to transmit the graphic data and text data to the other mobile phone while making a voice call to the mobile phone It is to provide a method.

According to a feature of the present invention for achieving the above object, the step of inputting the graphic data to the touch pad during the call with the destination touch pad mobile phone user using the primary traffic in the multiplex option the calling party touch pad mobile phone user And transmitting graphic data in the calling-side touchpad mobile phone to the called-side touchpad mobile phone user using secondary traffic in the multiplex option.

Preferably, when the calling user of the calling touch pad or the called touch pad mobile phone transmits an overhead message to the base station of the calling party or the calling touch pad mobile phone using signaling traffic in the multiplex option. .

According to the present invention as described above, there is an advantage that can transmit graphic data during a voice call using a mobile phone.

1 is a diagram illustrating an example of a traffic structure in a general IS-95.

2 is a view showing another example of a traffic structure of a general IS-95

3 is a view showing another example of a traffic structure of a general IS-95

4 is a view showing a mobile phone having a touch pad according to the present invention;

FIG. 5 is a block diagram illustrating a transmission data flow of the touch pad mobile phone illustrated in FIG. 4.

FIG. 6 is a block diagram illustrating a received data flow of the touch pad mobile phone illustrated in FIG. 4.

7 is a view illustrating a traffic structure when transmitting graphic data during a voice call of a touch pad mobile phone according to the present invention.

8 is a view illustrating a traffic structure when a handover occurs when transmitting graphic data during a voice call of a touchpad mobile phone according to the present invention.

* Description of the symbols for the main parts of the drawings *

1: cell phone 2: touch fan

3: fan holder 4: speaker

5: microphone 6: earphone connector

7: antenna 8: anti-lost with touch fan

9: touch pad 10: LCD

11: switching unit 12: transmitting unit

13 receiver 14 digital signal processor

15: central processing unit 16: the user interface

17: Vocoder 18: Codec

Hereinafter, a configuration and an operation according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a diagram illustrating an example of a traffic structure in a general IS-95.

Graphic data can be sent during a call by using the general multiplex option of the IS-95, and the signaling traffic or the secondary traffic (14400bps blank and burst) as shown in FIG. Only one traffic can be transmitted (14400bps Blank and Burst with Secondary Traffic Only).

Where MM is Mixed Mode Bit and FM is Frame Mode Bit.

2 is a diagram illustrating another example of a traffic structure of a general IS-95.

Another example of a typical IS-95 traffic structure is the 14400bps dim and burst format, which can be sent simultaneously with either primary or signaling traffic along with primary traffic. Can be. In FIG. 2, primary traffic and secondary traffic are simultaneously transmitted (14400bps Dim and Burst with Rate 1/2 Primary, Secondary Traffic Only).

3 is a diagram illustrating another example of a traffic structure of a general IS-95.

Another example of a typical IS-95 traffic structure is a call method that can send three different data, so that there is no disconnection of voice in any case, it sends voice as primary traffic and overhead as signaling traffic. ) It is a structure that can send graphic / text data with secondary traffic (14400bps Dim and Burst with Rate 1/8 Primary, Secondary and Signaling Traffic).

1 to 3 show the multiplex option of the IS-95A and IS-95B. In the IS-95A, data can be sent simultaneously with a voice call. The ability to send different data makes it possible to send voice as primary traffic in any case without interruption of voice, to send signaling signals such as overhead messages as signaling traffic, and to send graphical / text data as secondary traffic. .

Currently, Korea does not support the multiplex option function of the IS-95, but if it supports the multiplex function or a foreign service provider provides the multiplex option function, it can be easily realized in a mobile communication system.

4 is a view showing a mobile phone having a touch pad according to the present invention.

The mobile phone 1 having a touch pad according to the present invention includes a touch fan 2 used for inputting data or selecting items by hand, and for inserting and storing the touch fan 2 in the mobile phone 1. Fan holder (3), speaker (4) for outputting the voice signal of the other party, microphone (5) for receiving the user's voice signal, and to prevent other people from being able to hear the call during a call, Earphone connector 6 for connecting the earphone to the mobile phone 1, the antenna (7) for transmitting and receiving wireless signals between the base station (not shown) and the mobile phone 1, the touch fan to prevent the loss of the touch fan (2) LCD (Liquid Crystal Display) formed under the touch pad (9) and the touch pad (9) to receive the user's command input by the prevention strap (8), touch fan (2) or fingertips ( 10).

FIG. 5 is a block diagram illustrating the transmission data flow of the touch pad mobile phone illustrated in FIG. 4, and FIG. 6 is a block diagram illustrating the reception data flow of the touch pad mobile phone illustrated in FIG. 4.

In the block configuration of the touchpad mobile phone 1 according to the present invention, an antenna 7 for transmitting and receiving a wireless signal of a mobile phone and a wireless signal transmitted from the mobile phone 1 to a base station are switched from a transmitter 12, A switching unit 11 for switching the radio signal received by the mobile phone 1 to the reception unit 13, a receiving unit 13 for low-frequency processing the radio signal received through the antenna 7, and the mobile phone 1 The transmission unit 12 which makes various signals generated by the digital signal processing unit 14 of the digital signal processing unit 14 to be transmitted through the antenna 7 and the audio signal among the signals processed by the receiving unit 13 by separating the vocoder. (17) or processing so that the voice signal transmitted from the vocoder 17 can be transmitted from the antenna (7), and various signals except for the voice signal among the signals received through the antenna (7) is the central processing unit (15) I'm a user A digital signal processor 14 for processing data to be transmitted to the face 16 or to transmit data other than the voice processed by the central processing unit 15 or the user interface 16 from the antenna 7, and the digital signal processor. A vocoder 17 which vocodes the voice signal transmitted from (14) and transmits it to the codec 18, or vocodes the voice signal transmitted from the codec 18 and transmits it to the digital signal processor 14; The codec converts the digital signal transmitted from the vocoder 17 into an electric waveform and transmits it to the speaker 4, or converts the electric waveform transmitted from the microphone 5 into a digital signal and transmits the digital signal to the vocoder 17. 18 and a user who outputs data other than voice among the signals processed by the digital signal processor 14 to the LCD 10 or transmits a signal received by the touch panel 9 to the digital signal processor 14. Interface 15 and the mobile phone It consists of the central processing part 15 which controls (1).

In the touch pad mobile phone of the present invention, the transmission data flow of the mobile phone 1 is converted into a digital signal through the codec 18, the voice signal generated by the microphone 5, is vocoded by the vocoder 17, the digital signal The signal is processed by the processor 14 and then transmitted to the antenna 7 through the transmitter 12 and the switching unit 11, and is transmitted from the antenna 7 to the base station. In this case, graphic data such as a picture or a character recognized by the touch pad 9 is transmitted to the digital signal processing unit 14 through the user interface 16, and is processed by the digital signal processing unit 14 to process the transmission unit 12, It is transmitted from the antenna 7 to the base station through the switching unit 11.

The received data flow is transmitted to the digital signal processing unit 14 through the switching unit 11 and the receiving unit 13 after receiving the radio frequency at the base station 7 from the antenna 7, and the digital signal processing unit 14. ) Transmits to the vocoder 17 if it is an audio signal. The vocoder 17 vocodes the received voice signal and transmits it to the codec 18, and the codec 18 converts the digital signal into an electric waveform and transmits it to the speaker 4. At this time, the signal other than the voice is transmitted to the central processing unit 15 or the user interface 16, the user interface 16 outputs the transmitted digital signal through the LCD (10).

7 is a view illustrating a traffic structure when transmitting graphic data during a voice call of a touch pad mobile phone according to the present invention. This will be described with reference to FIGS. 2 and 4 to 6.

The traffic structure of the graphic data transmission during the voice call of the touchpad mobile phone according to the present invention is a simple picture such as a map when the first mobile phone MS1 and the second mobile phone MS2 are in a voice call, but the name, company name, position , Character information such as work type, telephone number, etc., is written using the touch fan 2 on the touch pad 9 in the form of a graphic, or commands to read and store information stored in a memory (not shown). The transmission is transmitted to the base station through the user interface 16, the digital signal processor 14, the transmitter 12, the switch 11, and the antenna 7. In this case, it is shown that the voice is transmitted to the primary traffic and the graphic data is transmitted to the secondary traffic in the dim and burst format as described with reference to FIG. 2.

That is, when the speaker phone function is embedded in the mobile phone 1, the user activates the speaker phone function when the user wants to send a picture or text while making a voice call to the mobile phone 1, and the touch fan (2) in the mobile phone 1 In the case of transmitting graphic data such as a character or a picture using), it is compressed by a still picture compression algorithm, and the graphic data is transmitted as secondary traffic through a reverse traffic channel using a multiplex option.

When the picture or text is transmitted through the touch pad 9 and the user interface 16, a mode in which data is continuously transmitted every time the user inputs the touch pad 9 and a mode in which the picture or text is completely drawn and transmitted. One of them can be used. If the contents of the call are changed, the existing graphic data is stored in the memory so that it can be used again on a new screen. In this case, only the forward link or reverse link traffic channel is used without allocation of the supplemental code channel of the IS-95B. Can be.

8 is a diagram illustrating a traffic structure when a handover occurs when transmitting graphic data during a voice call of a touch pad mobile phone according to the present invention. This will be described with reference to FIGS. 3 to 6.

According to the present invention, when the handover occurs during the transmission of graphic data during a voice call of the touchpad mobile phone, the traffic structure is performed when the first mobile phone MS and the second mobile phone MS2 are transmitting voice and graphic data together. When the over occurs, it is shown that a call without disconnection of voice is possible using Dim and Burst with Rate 1/8 Primary, Secondary and Signaling Traffic, which can transmit three different data as shown in FIG. 3.

That is, voice is sent through primary traffic, signaling signals such as overhead-related messages are sent as signaling traffic, and graphic / text data is sent by secondary traffic.

As described above, the data transmission method of the mobile phone with the present invention has the following effects.

First, it is possible not only to send graphic data during a voice call but also to prevent a disconnection of the voice call during data transmission.

Second, especially in the case of a person with a disability having only one side of a hearing or speech, the graphic data using a simple picture or a character can be transmitted, so that the person with a disability can also use it conveniently.

Claims (3)

Inputting, by the calling touchpad mobile phone user, graphical data into the touchpad during a call with the calling touchpad mobile phone user using primary traffic in a multiplex option; And transmitting graphic data from the calling-side touchpad mobile phone to the called-side touchpad mobile phone user using secondary traffic in the multiplex option. 2. The method of claim 1, wherein when the calling party of the calling party of the calling party or the calling party of the called party uses the signaling traffic in the multiplex option, an overhead message is transmitted to the base station of the calling party of the calling party or the calling party of the calling party. Data transmission method of a mobile phone having a touch pad, characterized in that for transmitting. The method of claim 1, wherein the graphic data includes at least one of a text and a picture.