Radio remote unit and link fault reporting method thereof as well as wireless communication system

Radio remote unit and link fault reporting method thereof as well as wireless communication system

The invention discloses a radio remote unit (RRU) and a link fault reporting method thereof as well as a wireless communication system. The method comprises the following steps: 1, judging whether a downlink and/or uplink optical fiber link fault is caused between a current RRU and a previous RRU, i...

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Hauptverfasser: ZHANG ENSU, LU GUANGXIAN, ZHANG DEGANG, LI HUHU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
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creator ZHANG ENSU
LU GUANGXIAN
ZHANG DEGANG
LI HUHU
description The invention discloses a radio remote unit (RRU) and a link fault reporting method thereof as well as a wireless communication system. The method comprises the following steps: 1, judging whether a downlink and/or uplink optical fiber link fault is caused between a current RRU and a previous RRU, if so, going to the step 2, and otherwise, going to the step 3; 2, calculating a serial number of the current RRU through the previous RRU, resetting a fault warning control word in combination with a congruent relationship between a bit position in the fault warning control word and a predetermined serial number, and going to the step 3; 3, sending the fault warning control word to a more previous RRU by the previous RRU, and returning to the step 1; reporting the fault warning control word to a BBU (Base Band Unit) until a first RRU detects whether the downlink and/or uplink optical fiber link fault is caused between the first RRU and the BBU. Through the technical scheme, the problems that the uplink optical fibe
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
WIRELESS COMMUNICATIONS NETWORKS
title Radio remote unit and link fault reporting method thereof as well as wireless communication system
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