KR20010079196A - One-chiped subminiature terminal module in mobile communication - Google Patents

Abstract

PURPOSE: A one-chip subminiature mobile station module is provided to minimize system area and save manufacturing cost by integrating the components executing the functions of a mobile station into a one chip. CONSTITUTION: A one-chip subminiature mobile station module consists of a subminiature substrate(100), a memory module(210), a mobile station modem module(220), and an RF module(230), an antenna pin(240), and interface signal pins(170). The memory module(210), formed on the subminiature substrate(100), stores various application software. The mobile station modem module(220), connected to the memory module(210), executes the functions of a voice codec and a vocoder, baseband signal processing, the functions of an external interface driver, testing/debugging, RF interfacing, etc. The RF module(230), connected with the mobile station modem module(220), converts a received baseband signal into an RF signal and transmits it at a relevant frequency. Also the RF module(230) converts a received RF signal into a baseband signal and transmits it to the mobile station modem module(220). The antenna pin(240), connected with the RF module(230) and located at an external application module(260), transmits and receives signals through an antenna. The interface signal pins(170) are provided to interface the external application module(260).

Description

One-chiped subminiature terminal module in mobile communication

The present invention relates to a mobile communication terminal module, and more specifically, to a base board modem, voice vocoding, RF processing, call processing, user interface functions, etc., consisting of a micro board and a chip mounted on the board and pins connected to the board. The present invention relates to a one-chip miniature mobile communication terminal module capable of one-chip configuration to perform a communication terminal function.

In general, a mobile communication system is a communication system for a mobile body such as a person, a car, a ship, a train, an aircraft, and includes a mobile phone (mobile phone, a vehicle phone), a port phone, an aircraft phone, a mobile payphone (train). Installed on cruise ships, express buses, radio calls, radiotelephones, satellite mobile communications, amateur radios, fishing radios, etc.

Such mobile communication includes an AMPS (Advanced Mobile Phone Service) system using an analog method, a CDMA system and a TDMA system using a digital method, and a Frequency Division Multiple Access (FDMA) system.

1 is a block diagram of a general mobile communication system.

As shown in FIG. 1, a mobile station 10, which is a terminal device that selectively or simultaneously supports the service of the AMPS system and the service of the CDMA system, enables a subscriber to communicate through a mobile communication network. In addition, the base station (Base Transceiver Subsystem) 20 performs communication using the protocol defined in IS-95 in the wireless section together with the terminal 10, and controls the wireless link and the wired link and the subscriber A base station controller 30 that performs a hand off function to maintain continuity, and a mobile switching center 40 that establishes a subscriber's call path and performs a connection with another communication network 40 And a Home Location Register (HLR) 50, which receives subscriber information and exchanges signals with the switching center 40, includes the base station 20, the control station 30, and the switching center 40. Through It is a device for realizing the call of the terminal 10.

The terminal 10 includes a duplexer performing a duplexing function to transmit and receive a radio frequency through one antenna, an RF receiver for receiving a high frequency signal through the duplexer and converting the signal into a low frequency signal, and transmitting a low frequency signal. An RF transmitter for converting a signal to be converted into a high frequency signal and providing the duplexer to the duplexer, a baseband signal processor connected to the RF transmitter and receiver to process a baseband signal, which is a baseband signal, a baseband modem, voice vocoding, It is configured to include a user interface.

However, since the terminal is composed of a separate chip and a user interface, the user interface has a lot of functions and occupies a large area of the board, and there is a problem in that the terminal is applied to the configuration.

Therefore, the present invention has been proposed to solve the above problems according to the prior art, the object of the present invention is composed of a micro-substrate and a chip mounted on the substrate, a pin connected to the baseband modem, voice vocoding One-chip configuration to perform mobile communication terminal functions such as RF processing, call processing, and user interface functions can be minimized, and it is composed of a single chip type so that it can be operated when it is immediately mounted when configuring terminal application products. In addition, the present invention provides a one-chip miniature mobile communication terminal module capable of reducing costs.

Features of the one-chip ultra-compact mobile communication terminal module according to the present invention for achieving the above object,

In the mobile communication terminal module connected to the external application module,

One substrate;

A plurality of execution modules formed on the substrate to perform a mobile communication terminal function;

It is composed of a plurality of signal pins for the interface that connects the execution module and other external application modules.

1 is a block diagram of a general mobile communication system;

2 is a perspective view of a one-chip ultra-compact mobile communication terminal module according to the present invention,

3 is a view showing a detailed configuration of the one-chip ultra-compact mobile communication terminal module of Figure 2 and the connection state of the external application module,

FIG. 4 is a diagram illustrating a device connected to an interface signal pin of the microchip mobile communication terminal module of FIG. 2.

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

100: substrate

210: memory module

220: mobile station modem module

230: RF module

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a one-chip ultra-compact mobile communication terminal module according to the present invention will be described.

2 is a perspective view of a one-chip ultra-compact mobile communication terminal module according to the present invention.

As shown in FIG. 2, a plurality of ultra-small substrates 100, performance modules 110, 120, 130, 140, 150, and 160 are formed on the substrate 100 to perform a mobile communication terminal function. It consists of a plurality of interface signal pins 170 for connecting the performance module (110, 120, 130, 140, 150, 160) and other external application modules (not shown).

Here, a cable or a socket may be used instead of the pin 170.

FIG. 3 is a diagram illustrating a detailed configuration of the one-chip miniature mobile communication terminal module of FIG. 2 and a connection state of an external application module.

As shown in FIG. 3, the micro substrate 100, a memory module 210 formed on the substrate 100 to store various application software, the memory module 210 are connected, and a voice codec, The mobile station modem module 220 and the mobile station modem module 220 which perform vocoder, baseband signal processing, external interface driver, test / debugging, RF interface, etc. are connected and received. RF module 230 for converting / processing a baseband signal into a radio signal and transmitting at a corresponding frequency, converting a radio signal received from a radio section into a baseband, and transmitting the baseband signal to the mobile station modem module 220; An antenna connected to the 230 and providing only a portion to which the antenna (not shown) is connected, and located in the external application module 260 of the manufacturer. It is composed of 240 and an external application module 260 and interface signal pins 170 for for interfacing.

FIG. 4 is a diagram illustrating a device connected to an interface signal pin of the microchip mobile communication terminal module of FIG. 2.

As shown in FIG. 4, the signal pin 170 for the interface includes a power, a ringer, a keypad, a microphone / ear piece, a test / debugger, and a test / debugger. ), Etc.

Referring to the operation of the microchip mobile communication terminal module configured as described above are as follows.

First, a plurality of interface signal pins 170 connecting the substrate 100, the modules 110, 120, 130, 140, 150, and 160 for performing a mobile communication terminal function with other external application modules. The mobile communication terminal module is configured to provide all the functions that the mobile communication terminal can perform, such as voice transmission / reception, data call transmission / reception, and short message transmission / reception.

The memory module 210 of the modules formed on the substrate 100 stores various external application software.

The mobile station modem module 220 is connected to the memory module 210 to perform a voice codec, vocoder, baseband signal processing, an external interface driver, test / debugging, and an RF interface.

In addition, the RF module 230 is a mobile station modem module 220 is connected to the baseband signal received by changing / processing the radio signal to transmit the corresponding frequency and converts the radio signal received from the radio section to the baseband Send to the mobile station modem module 220.

The antenna pin 240 is connected to the RF module 230 and transmits and receives a signal to the antenna.

Meanwhile, the interface signal pin 170 transmits and receives a signal with an external device.

As described above, the present invention has an effect of providing a mobile communication terminal mechanism to a manufacturer who does not have a mobile communication terminal technology.

In addition, by adopting the mobile communication terminal module of the present invention there is an effect that can implement a mobile communication terminal technology application product in a short time at a low cost.

In particular, it is possible to minimize the system area by one-chip configuration to perform the function of the mobile communication terminal, to reduce the power consumption by using a single power source, it is possible to reduce the cost.

Claims (3)

In the mobile communication terminal module connected to the external application module, One substrate; A plurality of execution modules formed on the substrate to perform a mobile communication terminal function; One-chip miniature mobile communication terminal module, characterized in that consisting of a plurality of signal pins for the interface connecting the performance module and the other external application module. The method of claim 1, The signal pin for the interface, One-chip miniature mobile communication terminal module, characterized in that the use of a cable or socket. In the mobile communication terminal module connected to the external application, One substrate; A memory module formed on the substrate to store various application software; A mobile station modem module formed on the substrate and connected to the memory module to perform a voice codec, vocoder, baseband signal processing, an external interface driver, test / debugging, and an RF interface; The mobile station modem module is formed on the substrate and is connected to the mobile station modem module, and converts / processes the received baseband signal into a radio signal to transmit at a corresponding frequency, and converts the radio signal received from the radio section into a baseband to convert the mobile station modem module. RF module for transmitting to; An antenna pin formed on the substrate and connected to the RF module and providing only a portion to which the antenna is connected, and located in an external application module of the manufacturer; One-chip miniature mobile communication terminal module is formed on the substrate and comprises an interface signal pin for interfacing with the external application module.