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A dual mode terminal and method for communication between modules in this terminal

A dual-mode terminal and signal technology, which is applied in the field of communication, can solve the problems of shortened terminal standby time, low communication rate, and large terminal standby current, so as to prolong the standby time, reduce the standby current, and achieve simple effects

Inactive Publication Date: 2008-01-09
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The circuit of this method is relatively simple, but has the following disadvantages: (1) Due to the limitation of its own hardware conditions, the UART port has a low communication rate, usually 115200bit / s
(2) Since the clock of the baud rate generator of the UART comes from the main operating clock of the baseband controller, the frequency is very high, so when there is data exchange at the UART port, the baseband controller must work with a very high frequency main clock, so The standby current of the terminal is relatively large, which shortens the standby time of the terminal

Method used

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  • A dual mode terminal and method for communication between modules in this terminal

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Embodiment Construction

[0034] The core idea of ​​the present invention is to increase at least one multi-port RAM (random-access memory, random-access memory) that can allow two modules to read and write data simultaneously between the CDMA module and the GSM module, thereby realizing data transfer between the modules. transmission. Generally, the multi-port RAM can be, but not limited to, dual-port RAM, as long as the two modules can read and write data simultaneously.

[0035] Taking the communication between the CDMA and GSM modules as an example, the dual-port RAM is used as an example to describe the dual-mode terminal provided by the present invention and the communication method between the two modules in the terminal.

[0036] A dual-mode terminal, as shown in FIG. 1 , includes: a first network standard module, a second network standard module and a dual-port RAM. In the following description, for simplicity, the module of the first network standard is referred to as the first module for sh...

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Abstract

The dual-mode terminal comprises a first network system module, a second network system module, a random access memory (RAM). Said RAM allows the first network system module and the second network system module to make read / write operation. The invention also reveals a method thereof comprises: the module at sending side writes the data to be sent-out into RAM, and sends a notice the module at receiving side to receive data; after the module at receiving side receives the notice for receiving the data, it reads out data from RAM.

Description

technical field [0001] The invention relates to a communication method, in particular to a dual-mode terminal and a method for communicating between modules in the terminal. Background technique [0002] Due to its novelty, convenience and practicality, the dual-mode terminal is popularized rapidly. At present, the products of dual-mode terminal equipment have reached a certain scale, and the patents that have been produced are mainly aimed at the following aspects: dual-mode terminal serial port debugging information output control circuit; borrowing GPIO (General Purpose I / O general purpose I / O port) control, application serial port to complete Data transmission between two modules of a dual-mode terminal. From the above patents, it can be seen that the current patents on the communication between the two modules of the dual-mode terminal mainly focus on how to use the serial port function to realize data exchange between the two modules, and to improve the communication ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/32H04B1/38H04W88/06
Inventor 李启瑞
Owner ZTE CORP
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