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Multi-mode terminal

A multi-mode terminal and terminal technology, applied in the field of communication, can solve the problems of many redundant circuits and complex interfaces, and achieve the effect of reducing volume, complexity and number of radio frequency channels

Inactive Publication Date: 2013-10-30
ZTE CORP
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem solved by the present invention is to provide a multi-mode terminal to solve the problems of complex interfaces and many redundant circuits in the existing solutions

Method used

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Embodiment Construction

[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] Such as image 3 As shown, it is a structural diagram of the first embodiment of the present invention, which provides a multi-mode terminal that supports FDD_LTE / TDD_LTE / TD-SCDMA / GSM, so as to solve different modes, different IQ interfaces, and different modes in current multi-mode terminals. Different radio frequency channels are used in the same frequency band, which reduces the complexity of the IQ interface, reduces the number of radio frequency channels, and can effectively reduce the volume of the multi-mode single-standby terminal.

[00...

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Abstract

The invention relates to the communication field, and provides a multi-mode terminal. The multi-mode terminal comprises a base band unit and a radio frequency unit, wherein the base band unit is used for processing received I / Q signals and supplying the I / Q signals to a transmitting access, the base band unit supports the GSM system, the TD-SCDMA system, the FDD-LTE system and the TDD-LTE system, the radio frequency unit is used for supporting receiving and transmitting of radio-frequency signals in each frequency band of the GSM system, the TD-SCDMA system, the FDD-LTE system and the TDD-LTE system. By means of the technical scheme, the problems that different IQ interfaces are used in different modes and the same frequency band in the different modes uses different radio frequency accesses are solved, the complexity of the IQ interfaces is reduced, the number of the radio frequency accesses is reduced, and the size of a multimode one-standby terminal can be effectively reduced.

Description

technical field [0001] The present invention relates to the communication field, in particular to a multi-mode terminal. Background technique [0002] The development of mobile communication technology is changing with each passing day, from the early GSM (Global System of Mobile communication, Global System for Mobile Communication) mobile communication, 3G (3rd-generation, third-generation mobile communication technology) mobile communication, to the rapid development of LTE (Long Term Evolution , long-term evolution) technology. At present, the mobile communication networks include GSM mobile network, 3G mobile network, and LTE mobile network. Some large operators will have GSM mobile network, 3G mobile network, and LTE mobile network. At present, there are 2G single-mode terminals, 3G single-mode terminals, 2G and 3G dual-mode single-standby terminals, 2G and 3G dual-mode dual-standby terminals on the market. With the development of LTE technology, it is necessary to su...

Claims

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Application Information

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IPC IPC(8): H04W88/06
Inventor 周正林谢红兵杨红霞
Owner ZTE CORP
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