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Digital radio-frequency remote system applied to double-communication system

A digital radio frequency remote and radio frequency remote technology, which is used in wireless communication, electrical components and other directions to achieve the effect of signal coverage with a large dynamic range

Active Publication Date: 2011-04-06
WUHAN HONGXIN TELECOMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, although there are many types of digital remote radio systems on the market, there is no related product that can support multiple communication systems at the same time

Method used

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  • Digital radio-frequency remote system applied to double-communication system
  • Digital radio-frequency remote system applied to double-communication system
  • Digital radio-frequency remote system applied to double-communication system

Examples

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Embodiment Construction

[0097] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.

[0098] figure 1 It is a functional block diagram of the digital remote radio system applicable to dual communication systems of the present invention. Such as figure 1 As shown, the digital remote radio system suitable for dual communication systems includes a digital optical fiber radio remote frequency selection near-end machine (LIM, Local Interface Module, local interface module, referred to as the near-end) 10 and a digital optical fiber radio remote selection Remote radio head (RRH, Remote Radio Head, remote radio head, referred to as remote) 20. The digital fiber radio frequency remote frequency selection near-end machine 10 is connected to the digital fiber optic radio frequency remote frequency selection remote machine 20 through an optical fiber 66 .

[0099] Such as figure 2 , the digital radio remote freq...

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Abstract

The invention discloses a digital radio-frequency remote system applied to a double-communication system. The system comprises a digital optical fiber radio-frequency remote frequency-selecting near-end machine and a digital optical fiber radio-frequency remote frequency-selecting far-end machine connected through an optical fiber, wherein the digital optical fiber radio-frequency remote frequency-selecting near-end machine comprises a global system for mobile communications (GSM) near-end downlink, a data communication system (DCS) near-end downlink, a GSM near-end uplink, a DCS near-end uplink, a near-end digital signal processing module and a near-end monitoring module; and the digital optical fiber radio-frequency remote frequency-selecting far-end machine comprises a GSM far-end downlink, a DCS far-end downlink, a GSM far-end uplink, a DCS far-end uplink, a far-end digital signal processing module and a far-end monitoring module. The system can simultaneously work at high power under two communication systems of GSM and DCS, can simultaneously realize monitoring function of the GSM and DCS, and meets related performance index requirements.

Description

technical field [0001] The present invention relates to a digital radio remote system, in particular to a digital radio remote system applicable to dual communication systems, ie, GSM standard and DCS standard. Background technique [0002] The repeater is an important supplementary equipment in the access network of the mobile system, which plays the role of extending the coverage of the base station and eliminating blind spots. As a kind of repeater, optical fiber repeater is widely used in network optimization. Optical fiber repeater can be divided into two categories: analog optical fiber repeater and digital radio remote system. Among them, the digital radio remote system plays an increasingly important role in the optimization of mobile communication networks. Compared with the traditional analog optical fiber repeater, the digital radio remote system has higher output power, lower noise figure, longer transmission distance, no interference with the base station duri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W88/10
Inventor 彭贤飞
Owner WUHAN HONGXIN TELECOMM TECH CO LTD
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