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Patent Searching and Data


Title:
REMOTE RADIO FREQUENCY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/152181
Kind Code:
A1
Abstract:
Provided is a remote radio frequency system which can detect the network interference situation near a base station, including a baseband processing unit, a downward data link and an upward data link, and characterized by further including: a listening feedback link including a listening receiving antenna, a listening filter, a listening low noise amplifier and a listening analogue-to-digital converter connected successively, the listening receiving antenna receiving a radio frequency signal, the listening filter performing filtering processing on the radio frequency signal according to a preset listening frequency band range and outputting a listening signal; and after the listening low noise amplifier performs signal amplification processing on the listening signal, the listening analogue-to-digital converter performing sampling down conversion and analogue-to-digital conversion processing, and outputting the same to the baseband processing unit for performing baseband signal processing. The remote radio frequency system provided in the present invention can automatically monitor the situations of the cell and the wireless communication network environment nearby while sending and receiving normal network signals.

Inventors:
LIU ZHIMIN (CN)
YE ZUQUAN (CN)
RUAN LIANSHUN (CN)
Application Number:
PCT/CN2012/074567
Publication Date:
November 15, 2012
Filing Date:
April 24, 2012
Export Citation:
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Assignee:
COMBA TELECOM SYSTEMS CHINA LTD (CN)
LIU ZHIMIN (CN)
YE ZUQUAN (CN)
RUAN LIANSHUN (CN)
International Classes:
H04L25/03
Foreign References:
CN102185809A2011-09-14
CN202035008U2011-11-09
CN101841935A2010-09-22
CN101834816A2010-09-15
US20050180526A12005-08-18
CN101651480A2010-02-17
Attorney, Agent or Firm:
ADVANCE CHINA I. P. LAW OFFICE (CN)
广州华进联合专利商标代理有限公司 (CN)
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Claims: