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Isolated enhancing system and method

A technology of mobile communication system and switch mechanism, which is applied in the field of isolation enhancement of mobile terminals, and can solve problems such as limitations

Inactive Publication Date: 2004-02-04
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, commercial SPDT switches are limited in completely isolating transmit and receive channels

Method used

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  • Isolated enhancing system and method
  • Isolated enhancing system and method
  • Isolated enhancing system and method

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Embodiment Construction

[0027] A transceiver of a mobile communication terminal according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

[0028] A receiver according to a first embodiment of the present invention includes: transmitting means, receiving means and switching means. Said components are grounded separately from each other to prevent interference.

[0029] Such as figure 2 , the transceiver of the mobile terminal according to an embodiment of the present invention includes: a receiver 10, used to process received signals in a receive mode; a transmitter 20, used to process transmit signals in a transmit mode; a switch device 30, used in Both transmit and receive modes.

[0030] For example, the receiver 10 includes: a low noise amplifier 12 for amplifying a received signal; and a reception filter 15 for filtering the amplified received signal. For example, the transmitter 20 includes: a transmit filter 22 for filtering...

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Abstract

A transceiver of a terminal for use in a TDD-based mobile communication system is provided. The transceiver comprises a receiver for processing a reception signal in a reception mode; a transmitter for processing a transmission signal in a transmission mode; a switching mechanism operable in the transmission mode and the reception mode; and a ground divider for dividing grounds for the receiver, the transmitter, and the switching mechanism.

Description

[0001] related application [0002] This application claims the prior filing date and priority of Korean Patent Application No. 2002-37621 filed on June 29, 2002, the contents of which are fully incorporated herein by reference. technical field [0003] The present invention relates to a mobile communication system, in particular to a system and method for isolation enhancement of a mobile terminal in a TDD-based mobile communication system. Background technique [0004] Time Division Synchronous CDMA (TD-SCDMA) is the third-generation mobile communication standard pioneered by China. This standard was approved by ITU in November 1999, together with SCDMA and CDMA-2000 as the third generation mobile communication standard. [0005] TD-SCDMA aims to increase channel capacity and manage resources efficiently by combining the advantages of Time Division Duplex (TDD) and CDUA, such as uplink synchronization and smart antennas. [0006] In a TDD-based communication system such ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/38H04B1/44
CPCH04B1/44H04B1/38
Inventor 刘哉旭
Owner LG ELECTRONICS INC