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Method and device for implementing radio frequency link transmit-receive sharing by switch array in TDD mode

A radio frequency link, transceiver sharing technology, applied in the communication, electrical components, transmission system and other directions between multiple stations, can solve the problems of link complexity and cost growth, improve device utilization and reduce system cost , the effect of reducing usage

Inactive Publication Date: 2008-12-10
BEIJING XINWEI TELECOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if this method is used to design multi-link transceiver RF equipment in TDD mode, the link complexity and cost will increase exponentially

Method used

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  • Method and device for implementing radio frequency link transmit-receive sharing by switch array in TDD mode
  • Method and device for implementing radio frequency link transmit-receive sharing by switch array in TDD mode
  • Method and device for implementing radio frequency link transmit-receive sharing by switch array in TDD mode

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Embodiment Construction

[0035] The realization of the present invention in the repeater and the base station in the TDD communication system will be described respectively below with reference to the accompanying drawings.

[0036] The present invention provides a method and device for realizing the common use of radio frequency link transmission and reception by using a switch array, which overcomes the limitation of multiplexing of directional radio frequency devices, and the structure can be used for multiplexing of bidirectional and unidirectional devices.

[0037] The switch array may be a DPDT switch array, a combination of a DPDT switch array and an SPDT switch array, and the switch array may be a structure having the same function as a PIN diode and an integrated circuit.

[0038] image 3 It is a functional block diagram of using DPDT switch to realize TDD transceiver link sharing.

[0039] image 3 Among them, the first port 1 and the second port 2 of the DPDT switch are used as two-way p...

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Abstract

The invention relates to a method for realizing the radio frequency link receiving share through a switch array in the TDD mode and the device. According to the invention, the functions of the uplink receiving share and the downlink receiving share or the partial branch receiving share are realized through adopting the switch array in the uplink and the downlink, the multiplexing restrict with the directivity radio frequency device is overcome, the utilance of the device in the receiving link is advanced, the complexity of the link is reduced and the cost and the volume of the device are reduced.

Description

technical field [0001] The present invention relates to a method and a device for realizing shared transmission and reception of a radio frequency link in a TDD mode, in particular to a method and a device for realizing a shared transmission and reception of a radio frequency link by using a switch array in a TDD mode. Background technique [0002] Wireless communication radio frequency (RF) subsystems are divided into frequency division duplex (FDD) and time division duplex (TDD) according to the working system, such as GSM, CDMA2000, etc. It is a time division duplex system. At any time, the forward link and reverse link in the FDD radio frequency subsystem work independently and simultaneously. The forward link of the base station modulates the signal from the base station to the mobile station to a high frequency and amplifies it for transmission. The signal to the base station is received and amplified by frequency conversion. The signal chain (Signal Chain) of the fo...

Claims

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Application Information

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IPC IPC(8): H04B7/26H04B1/40H04B1/401
Inventor 李延滨
Owner BEIJING XINWEI TELECOM TECH
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