KR100419917B1 - Multiplexed character message and calling service method and system therefor - Google Patents

Abstract

Disclosed are a multiple text messaging and calling service method that simultaneously provides a text message and a calling service using a personal computer as a host. The multi-text message and calling service method according to the present invention comprises the steps of: (a) inserting into the data an identifier for identifying whether the data to be sent is text data or calling data, and (b) Universal Asynchronous Receive and Transmit: Identifying whether the data received from the UART is text data or calling data, and (c) if the data received in step (b) is identified as text data, bypassing the text data to a wireless modem to provide a text message service. And (d) performing a calling service if the data received in the step (b) is identified as the calling data. The multi-text messaging and calling service system according to the present invention has the advantage that the circuit is simple and the price of the system can be configured inexpensively. Since the processor directly manages the memory, it is not necessary to consider the map of the memory in the hardware. The advantage is that it is easy to program on the host computer.

Description

Multiple text message and calling service method and system therefor}

The present invention relates to a multiple text messaging and calling service method and system thereof, and more particularly, to a multiple text messaging and calling service method and system which is simple in circuit and easy to program.

A service that simultaneously provides a text message and a calling service using a personal computer (hereinafter referred to as a PC) as a host is being performed. Figure 1 shows a block diagram of a general system for providing a text message and a calling service using a PC as a host. Referring to FIG. 1, a text message or calling data is output from a PC 104 having a PCI interface 102. The text message allows the Asynchronous Receive and Transmit (UART) 106 to communicate with or receive data from the wireless modem 114. As part of this interface, the UART 106 also performs the following: In other words, the bytes received through parallel circuits are converted into a single serial bit stream for delivery to the outside. If necessary, parity bits may be added for external transmission, parity of received bytes may be checked, and parity bits may be removed. Alternatively, start and stop bits may be added when data is exported to the outside, and they may be removed from the received data.

When the data output from the PCI interface 102 is calling data, the data is stored in the dual port RAM 108. The dual port RAM 108 has ports for storing calling data from the PCI interface 102 and ports for reading stored calling data even while storing the calling data in the processor 110. Next, the PCM interface 112 converts the voice signal stored in the dual port RAM 108 into a PCM voice signal required by the mobile communication network and transmits the voice signal to the wireless modem 114.

However, in the conventional multi-text messaging and calling service method, since the dual port memory has to use a relatively expensive price for voice data transmission, the circuit is complicated and the system is expensive. In addition, according to the conventional multi-text message and calling service method, there is a problem in that programming is difficult because a map of memory in hardware must be considered when developing a host application program.

The technical problem to be achieved by the present invention is to provide a multi-text messaging and calling service method with a simple circuit and easy programming.

Another object of the present invention is to provide a multi-text message and calling service system for performing the multi-text message and calling service method.

1 is a block diagram showing the structure of a general system that simultaneously provides a text message and a calling service using a personal computer (PC) as a host.

2 is a flowchart illustrating main steps of a method for multiple text messaging and calling service according to an embodiment of the present invention.

3 is a block diagram illustrating a structure of a multiple text message and calling service system according to an embodiment of the present invention in which the method of FIG. 2 is performed.

In order to achieve the above object, the multi-text message and calling service method according to the present invention comprises the steps of: (a) inserting into the data an identifier for identifying whether the data to be sent is text data or calling data; (b) identifying whether the data received from the Universal Asynchronous Receive and Transmit (UART) is character data or calling data; (c) performing a text message service by bypassing the text data to the wireless modem when the data received in step (b) is identified as text data; And (d) performing a calling service when the data received in the step (b) is identified as the calling data.

In addition, the step (a) is performed by (a ') in the personal computer to add an identifier insertion routine to the application for the multi-text message and the calling service to assign an identifier to the data to identify whether it is text data or calling data. Inserting; is preferred.

In addition, to achieve the above object, the multi-text message and calling service system according to the present invention receives the dispatch data in parallel data form in which an identifier for identifying whether the text data or the calling data is inserted from the PCI interface provided in the personal computer. Universal Asynchronous Receive and Transmit (UART) for converting serial data into serial data; By identifying whether the data received from the general-purpose asynchronous receiver is character data or calling data, if the received data is identified as the character data, the character data is bypassed to the wireless modem, and the data received from the general-purpose asynchronous receiver is A processor for storing a voice signal in a RAM and transmitting the voice signal stored in the RAM to a PCM interface if it is identified as calling data; RAM for storing the voice signal received through the processor; And a PCM interface that reads the voice signal stored in the RAM, converts the voice signal into a PCM voice signal required by the mobile communication network, and transmits the voice signal to a wireless modem to perform a calling service.

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

2 is a flowchart illustrating main steps of a method for multiple text messaging and calling service according to an embodiment of the present invention. In addition, FIG. 3 is a block diagram illustrating a structure of a multiple text message and calling service system according to an embodiment of the present invention in which the method of FIG. 2 is performed. 3 is often referenced below.

Referring to FIG. 2, in the multiple text message and calling service method according to an embodiment of the present invention, call data is a text data by adding an identifier insertion routine to an application for the multiple text message and calling service executed in the PC 304. An identifier for identifying the acknowledgment is inserted into the data (step 202).

The data with the identifier inserted is sent through the PCI interface 302 to a universal asynchronous receiver and transmitter (306). The processor 308 receives data from the UART, and the identification unit 310 in the processor 308 calls whether the data received from the Universal Asynchronous Receive and Transmit (hereinafter referred to as UART) is character data. Identify if it is data (steps 204 and 206).

Since the data received from the UART is inserted with an identifier for identifying whether the data is character data or calling data, the processor 308 may determine whether the data is character data or calling data by referring to the identifier of the received data. Since the process of identifying whether the received data is text data or calling data is performed in the processor 308, it may be understood that the identification unit 310 is included in the processor 308.

If the data received in step 206 is identified as text data, the text message service is performed by bypassing the text data to the wireless modem 318 (step 208).

On the other hand, if the data received in step 206 is identified as the calling data, the voice signal is stored in the RAM 312, and the PCM interface 314 transmits the voice signal stored in the RAM 312 to the mobile communication network. A call service is performed (step 210) by converting the signal into a PCM voice signal and transmitting it to the wireless modem 318.

That is, the identification unit 310 in the processor 308 identifies whether the data received from the general-purpose asynchronous receiver 306 is character data or calling data, and wirelessly stores the corresponding character data when the received data is identified as character data. Bypassing to the modem 318, if the data received from the general-purpose asynchronous receiver 306 is identified as calling data, the voice signal is stored in the RAM 312 and the PCM stores the voice signal stored in the RAM 312. The PCM interface 314 converts the voice signal stored in the RAM 312 into a PCM voice signal required by the mobile communication network and transmits the voice signal to the wireless modem 318 to perform a calling service.

In this case, assuming that one subscriber, text message service and calling service do not exist at the same time, there is no need to use dual port RAM. Therefore, the multi-text messaging and calling service system according to the present invention has the advantage that the circuit is simple and the price of the system can be configured at low cost.

In addition, the multi-text message and calling service method according to the present invention has an advantage of easy programming since it is not necessary to consider a map of memory in hardware because the processor directly manages memory.

As described above, the multiple text message and calling service system according to the present invention has an advantage that the circuit is simple and the system can be configured at low cost. In addition, the multi-text message and calling service method according to the present invention has an advantage of easy programming since it is not necessary to consider a map of memory in hardware because the processor directly manages memory.

Claims (3)

In the multiple text messaging and calling service method for simultaneously providing a text message and a calling service using a personal computer as a host, (a) inserting into the data an identifier for identifying whether the data to be sent is character data or calling data; (b) identifying whether the data received from the Universal Asynchronous Receive and Transmit (UART) is character data or calling data; (c) performing a text message service by bypassing the text data to the wireless modem when the data received in step (b) is identified as text data; And and (d) performing a calling service if the data received in the step (b) is identified as calling data. According to claim 1, wherein the step (a), (a ') inserting an identifier into the data to identify whether the text data or the calling data is executed by adding an identifier insertion routine to the application for the multi-text message and calling service running in the personal computer; Multiple text messaging and calling service methods. In a multi-text messaging and calling service system that simultaneously provides a text message and a calling service using a personal computer as a host, Universal Asynchronous Receive and Transmit (UART) for receiving and sending serial data in parallel data form with an identifier for identifying whether it is character data or calling data from a PCI interface provided in the personal computer. ; By identifying whether the data received from the general-purpose asynchronous receiver is character data or calling data, if the received data is identified as the character data, the character data is bypassed to the wireless modem, and the data received from the general-purpose asynchronous receiver is A processor for storing a voice signal in a RAM and transmitting the voice signal stored in the RAM to a PCM interface if it is identified as calling data; RAM for storing the voice signal received through the processor; And And a PCM interface for reading a voice signal stored in a RAM, converting the voice signal into a PCM voice signal required by a mobile communication network, and transmitting the voice signal to a wireless modem to perform a calling service.