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Double-standby wireless terminal

A wireless terminal and terminal technology, applied in wireless communication, electrical components, etc., can solve problems such as the inability to meet application scenarios, and achieve the effects of low cost, easy portability, and reduced terminal cost

Inactive Publication Date: 2011-03-23
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] It can be seen that the emergence of the 3G system has led to the diversity of dual-standby terminals, and the existing technical solutions cannot meet the following new application scenarios:

Method used

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Embodiment Construction

[0047] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0048] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0049] The first embodiment of the present invention relates to a dual-standby wireless terminal, and its structure most related to the present invention is as follows figure 2 shown.

[0050] The dual standby wireless terminal includes:

[0051] The two radio frequency units RF1 and RF2 are independently used for radio frequency signal process...

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Abstract

The invention relates to wireless communication field and discloses a double-standby wireless terminal. In the invention, two independent radio frequency unit share a baseband unit in order to realize the simultaneous standby of two numbers and lower cost. When the two radio frequency units support 2G or 3G respectively, one of the radio frequency units is put to time division multiplexing by the baseband unit if two protocol processing units both work under 2G or 3G protocol, in order to achieve the effect of simultaneous standby of two numbers or communication under one of the numbers. When the networks supported by the two radio frequency units are identical to the networks supported by the two protocol processing units, the two protocol processing units form two combinations with different radio frequency units respectively so as to support the simultaneous standby and the simultaneous communication of the two numbers. Being further simplified, such a terminal uses one radio frequency unit and one baseband chip only and supports SIM or USIM slot and 2G or 3G protocol simultaneously, thus the terminal can be simplified into single-baseband chip single-module double-standby wireless terminal of 2G or 3G system.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a technology in which two numbers in one wireless terminal can be on standby at the same time. Background technique [0002] Driven by technology, market and wireless mobile application business, the wireless mobile communication industry has developed rapidly, and mobile communication products have become a necessity for people's daily work and life. As mobile communication has more and more influence on people's life, there are more and more phenomena that a person needs two mobile phone terminals. For example, some people who often need to work in two places usually have a local Subscriber Identity Module (Subscriber Identity Module, "SIM") card in each of the two places in order to avoid expensive roaming charges, and use different SIM cards in different cities. SIM card. However, frequent replacement of SIM cards or carrying two terminals is very troublesome, and a du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W88/06
Inventor 师延山顾祥新康一张严许佰魁
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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