KR20060077284A - Phone-to-phone communication device and method thereof of mobile communication terminal - Google Patents

Abstract

The present invention provides a phone-to-phone communication apparatus and method thereof of a mobile communication terminal, comprising: a processor unit controlling an operation of a mobile communication terminal and controlling an operation of a phone-to-phone processing unit; A display unit for controlling and displaying the processor unit; A data processing unit which is controlled by the processor unit and extracts and processes pure data using a signal of an up-down converting unit, and receives and processes a signal of the phone-to-phone processing unit; An up-down converter connected to the data processor and connected to the phone-to-phone processor to up-convert and down-convert the signal; A PAM connected to the up-down converter to amplify a transmission power; An LNA for amplifying the signal received by the antenna switch unit; An antenna switch unit under control of the processor unit and connected to the PAM and the LNA to transmit and receive a signal; An antenna unit connected to the antenna switch unit and performing an interface with a wireless network base station; And a phone-to-phone processing unit configured to perform phone-to-phone processing with a counterpart mobile communication terminal under the control of the processor unit, thereby real-time two-way communication with a counterpart mobile communication terminal using phone-to-phone without using a wireless network without interrupting service of a wireless network. Will be able to perform.

Description

Apparatus and method for communication of phone to phone in mobile communication station}

1 is a block diagram of a conventional mobile communication terminal,

2 is a block diagram of a phone-to-phone communication apparatus of a mobile communication terminal according to the present invention;

3 is a flowchart illustrating a phone-to-phone communication method of a mobile communication terminal according to the present invention;

4 is a graph showing an area on a time axis of a wireless network control signal area and a user use area used in the present invention.

Explanation of symbols on the main parts of the drawings

10: processor unit 20: display unit

30: data processing unit 40: up-down conversion unit

50: PAM (transmitter) 60: LNA (receiver)

70: antenna switch unit 80: antenna unit

90: phone to phone processing unit 91: timing control unit

92 local oscillation control unit 93 local oscillation unit

The present invention relates to a device for a phone-to-phone communication of a mobile communication terminal and a method thereof, and in particular, to be suitable for performing two-way communication with the other party's mobile communication terminal in real time using a phone-to-phone without using a wireless network without interrupting service of the wireless network. The present invention relates to a phone-to-phone communication apparatus of a mobile communication terminal and a method thereof.

1 is a block diagram of a conventional mobile communication terminal.

As shown therein, a processor unit 1 for controlling the operation of the mobile communication terminal; A display unit 2 for controlling and displaying the processor unit 1; A data processor (3) under the control of the processor unit (1) and extracting and processing pure data using the signal of the up-down converter (4); An up-down converter for raising the signal input from the data processor 3 to an output frequency band and lowering the signal received from the antenna 8 to the base band for signal processing by the data processor 3 (Up / Down Converter) 4; A power amplifier module (PAM) 5 connected to the up-down converter 4 for amplifying a transmission output; A low noise amplifier (LNA) 6 for amplifying the signal received by the antenna switch 7; An antenna switch unit 7 which is controlled by the processor unit 1 and connected to the PAM 5 and the LNA 6 to transmit and receive a signal; The antenna unit 8 is connected to the antenna switch unit 7 and performs an interface with a wireless network base station.

Thus, conventionally, a communication service is received using the mobile communication terminal configured as described above.

However, this conventional technology has the following problems.

In other words, when playing a game by two-way communication using a phone-to-phone, there is a problem of downloading and executing a game program using Bluetooth or accessing a web server.

In addition, it may be difficult to download a program smoothly depending on the network conditions, and the network has to be highly dependent on the network because it has to pay for the time of receiving a packet as much as the time of access to the network.

Accordingly, the present invention has been proposed to solve the above-mentioned general problems, and an object of the present invention is to use a phone-to-phone in two-way communication with a counterpart mobile communication terminal in real time without using a wireless network without interrupting service of a wireless network. The present invention provides a device for a phone-to-phone communication of a mobile communication terminal and a method thereof.

In order to achieve the above object, a phone-to-phone communication apparatus of a mobile communication terminal according to an embodiment of the present invention,

A processor unit controlling an operation of the mobile communication terminal and controlling an operation of the phone-to-phone processing unit; A display unit for controlling and displaying the processor unit; A data processing unit which receives the control of the processor unit, extracts and processes pure data using a signal of an up-down converting unit, and receives and processes the signal of the phone-to-phone processing unit; An up-down converter connected to the data processor and connected to the phone-to-phone processor to up-convert and down-convert the signal; A PAM connected to the up-down converter to amplify a transmission power; An LNA for amplifying the signal received by the antenna switch unit; An antenna switch unit under control of the processor unit and connected to the PAM and the LNA to transmit and receive a signal; An antenna unit connected to the antenna switch unit and performing an interface with a wireless network base station; It is characterized in that it comprises a phone-to-phone processing unit for performing the phone-to-phone processing with the counterpart mobile communication terminal under the control of the processor.

Phone to phone communication method of a mobile communication terminal according to an embodiment of the present invention to achieve the above object,

Receiving a phone-to-phone use request signal; A second step of designating a frequency band capable of communicating with a counterpart mobile communication terminal after the first step; A third step of registering a counterpart's ID by selecting a communication channel after the second step; And a fourth step of performing two-way communication with the other party's mobile communication terminal after the third step.

Hereinafter, an embodiment according to the present invention, a phone-to-phone communication apparatus of a mobile communication terminal, and a method thereof will be described with reference to the accompanying drawings.

2 is a block diagram of a phone-to-phone communication apparatus of a mobile communication terminal according to the present invention.

As shown therein, the processor unit 10 controls the operation of the mobile communication terminal and the operation of the phone-to-phone processing unit 90; A display unit 20 for controlling and displaying the processor unit 10; A data processing unit 30 under the control of the processor unit 10 and extracting and processing pure data using the signal of the up-down converting unit 40, and receiving and processing the signal of the phone-to-phone processing unit 90; An up / down converter 40 connected to the data processor 30 and connected to the phone-to-phone processor 90 to perform up-converting and down-converting of signals; A power amplifier module (PAM) 50 connected to the up-down converter 40 to amplify a transmission output; A low noise amplifier (LNA) 60 for amplifying the signal received by the antenna switch 70; An antenna switch unit (70) connected to the PAM (50) and the LNA (60) under the control of the processor unit (10) to transmit and receive a signal; An antenna unit 80 connected to the antenna switch unit 70 and performing an interface with a wireless network base station; And a phone-to-phone processing unit 90 which is controlled by the processor unit 10 and performs a phone-to-phone processing with the counterpart mobile communication terminal.

The phone-to-phone processing unit 90 includes: a timing controller 91 which is controlled by the processor unit 10 and controls timing so that phone-to-phone communication is performed in a user use area and informs the data processing unit 30; A local oscillation control unit 92 under the control of the processor unit 10 and controlling a local oscillation unit 93 to control the conversion of the radio network frequency band and the phone-to-phone user frequency band regulated; And a local oscillation unit 93 which is controlled by the local oscillation control unit 92 and generates a modulated signal in a frequency band used by the up-down conversion unit 40.

In the processor 10, when the user selects the phone to phone use menu in the menu, the processor unit 10 detects it and controls the local oscillation control unit 92 to avoid crosstalk with the frequency currently being used phone to phone After switching to the use frequency band, using the signal of the timing control unit 91 to control the local oscillation control unit 92 again at the wireless network control time to control to switch to the wireless network frequency band, and after transmitting and receiving a control signal The IDLE time is controlled to switch back to the phone-to-phone switching frequency band.

3 is a flowchart illustrating a phone-to-phone communication method of a mobile communication terminal according to the present invention.

As shown therein, a first step (ST11) of receiving a phone-to-phone use request signal; A second step (ST12) of designating a frequency band capable of communicating with a counterpart mobile communication terminal after the first step; A third step (ST13) of registering a counterpart's ID by selecting a communication channel after the second step; After the third step, a fourth step (ST14) of performing two-way communication with the counterpart mobile communication terminal is performed.

When described in detail with reference to the accompanying drawings the operation of the phone-to-phone communication apparatus and method of the mobile communication terminal according to the present invention configured as described above are as follows.

First, the present invention is to perform two-way communication with the other party's mobile communication terminal in real time using the phone to phone without using the wireless network without interrupting the service of the wireless network.

Thus, when a phone-to-phone use request signal is received by an external key (ST11), the processor unit 10 detects this and controls the local oscillation control unit 92 to designate a frequency band capable of communicating with the counterpart mobile communication terminal (ST12). .

In addition, the communication channel is selected between each other to register the other party's ID in the phone (ST13). As a result, the physical link is connected to the other party's phone in the short distance.

Accordingly, the two-way communication can be performed directly through the counterpart phone and the base station of the wireless network (ST14). By such a two-way communication, it is possible to perform a game, a messenger function, etc. with a phone-to-phone.

Here, the timing controller 91 generates a signal for receiving a paging channel from the wireless network even when using a phone-to-phone, and at the paging channel time, recovers the wireless network frequency band and power level to meet the wireless network standard and processes the protocol. After that, continue to use phone to phone again.

4 is a graph showing an area on a time axis of a wireless network control signal area and a user use area used in the present invention.

The wireless network control signal region is a time domain that periodically exchanges information with the wireless network base station even if the user does not use the mobile communication terminal. In the user use area, phone-to-phone time is allocated to this area.

Accordingly, as shown in FIG. 4, a wireless network is used by using a full-duplex communication of TDMA / FDMA (Frequency Division Multiple Access) and a half-duplex communication of TDD (Time Division Duplex). It can be used without interruption of service because it uses incoming call or control signal using paging channel.

The operation of the present invention will be described as follows.

First, the processor 10 controls the operation of the mobile communication terminal and controls the operation of the phone-to-phone processing unit 90. The apparatus under the control of the processor unit 10 includes a display unit 20, a data processor 30, an antenna switch 70, a timing controller 91, a local oscillation controller 92, and the like in the phone-to-phone processor 90. There is this.

Thus, when the user selects the phone-to-phone using menu from the menu, the processor unit 10 detects this and controls the local oscillation control unit 92 to switch to the phone-to-phone using frequency band to avoid confusion with the current frequency. In addition, the local oscillation control unit 92 is controlled to switch to the radio network frequency band at the time of the radio network control using the signal of the timing controller 91. After the control signal is transmitted and received, the IDLE time is switched back to the phone-to-phone switching frequency band. At the time of wireless network control using the signal of the timing controller 91, the local oscillator 93 is controlled again using the local oscillation controller 92 to switch to the wireless network frequency band.

In addition, the display unit 20 is controlled by the processor unit 10 to display a function performed in the mobile communication terminal.

The data processor 30 is controlled by the processor 10 and extracts and processes pure data using the signal of the up-down converter 40, and receives and processes the signal of the phone-to-phone processor 90.

Thus, the data processor 30 selects and processes a signal of the up-down converter 40 using a control signal of the timing controller 91. After the transmission and reception of the control signal of the wireless network (IDLE) time to switch back to the phone-to-phone user frequency band.

The local oscillator 93 generates a radio network frequency band under the control of the local oscillation controller 92 to generate a signal to the up-down converter 40.

The up-down converter 40 converts a signal into a radio frequency band using the signal of the local oscillator 93.

Then, the data processor 30 receives the voice signal and the data signal and processes the signal to be used as a wireless output. That is, during transmission, the analog signal is input to the digital signal to be sent to the up-down converter 40 to perform the up-converting process. At the time of reception, the down-converter 40 processes the down-converted signal and sends the signal toward the receiver (not shown) or toward the display unit 20.

In addition, the data processor 30 extracts the voice signal and the control signal received from the wireless network and the data signal input when using the phone-to-phone using the signal of the timing controller 91 and sends it to the processor unit 10.

The PAM 50 amplifies the weak signal which is up-converted and input by the up-down converter 40.

The LNA 60 amplifies the received signal so that the weak signal input from the antenna 80 can be down-converted by the up-down converter 40.

The antenna switch unit 70 controls transmission and reception of the wireless network.

As described above, the present invention is to perform two-way communication with a counterpart mobile communication terminal in real time using a phone-to-phone without using a wireless network without interrupting service of a wireless network.

Although the preferred embodiment of the present invention has been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be applied in the same manner by appropriately modifying the above embodiments. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

As described above, the phone-to-phone communication apparatus and method of the mobile communication terminal according to the present invention can perform two-way communication with the counterpart mobile communication terminal in real time using the phone-to-phone without using the wireless network without interrupting the service of the wireless network. It is effective.

Claims (4)

A processor unit controlling an operation of the mobile communication terminal and controlling an operation of the phone-to-phone processing unit; A display unit for controlling and displaying the processor unit; A data processing unit which is controlled by the processor unit and extracts and processes pure data using a signal of an up-down converting unit, and receives and processes a signal of the phone-to-phone processing unit; An up-down converter connected to the data processor and connected to the phone-to-phone processor to up-convert and down-convert the signal; A PAM connected to the up-down converter to amplify a transmission power; An LNA for amplifying the signal received by the antenna switch unit; An antenna switch unit under control of the processor unit and connected to the PAM and the LNA to transmit and receive a signal; An antenna unit connected to the antenna switch unit and performing an interface with a wireless network base station; And a phone-to-phone processing unit configured to perform phone-to-phone processing with the counterpart mobile communication terminal under the control of the processor unit. The method of claim 1, wherein the phone to phone processing unit, A timing controller configured to be controlled by the processor and to control timing so that phone-to-phone communication is performed in a user use area and inform the data processor; A local oscillation control unit which is controlled by the processor unit and controls a local oscillation unit to control conversion of a radio network frequency band and a phone-to-phone user frequency band regulated; And a local oscillator configured to generate a modulated signal in a frequency band used by the up-down converter under the control of the local oscillation controller. The processor of claim 1, wherein the processor unit comprises: When the user selects the phone-to-phone using menu from the menu, the processor detects this and controls the local oscillation control unit to switch to the phone-to-phone using frequency band to avoid crosstalk with the current frequency and uses the signal of the timing controller. The local oscillation control unit controls the local oscillation control unit to switch to the radio network frequency band at the time of wireless network control, and switches to the phone-to-phone switching frequency band at the time of rest after transmitting and receiving the control signal. Phone to phone communication device. Receiving a phone-to-phone use request signal; A second step of designating a frequency band capable of communicating with a counterpart mobile communication terminal after the first step; A third step of registering a counterpart's ID by selecting a communication channel after the second step; And a fourth step of performing two-way communication with the other party's mobile communication terminal after the third step.

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