Processor-controlled variable gain cellular network amplifier

H - Electricity – 04 – W

Patent

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H04W 52/52 (2009.01)

Patent

CA 2566644

A system and method for amplifying cellular signals and reducing interference introduced into a cellular network by the network amplifiers. The network amplifier includes an antenna configured to receive a downlink signal from a base station and a variable gain module for amplifying an uplink signal received from a handset. The variable gain module applies an amplification factor to the uplink signal to generate an adjusted uplink signal to be transmitted to the base station via the antenna. A processor is used for determining a value of the amplification factor, where the value of the amplification factor is a function of a level of the downlink signal. The amplification factor may be selected so that interference introduced into a cellular network by the transmission of the adjusted uplink signal is substantially eliminated.

Il s'agit d'un système et d'une méthode qui permettent d'amplifier des signaux cellulaires et de réduire le brouillage apporté dans le réseau cellulaire par les amplificateurs de réseau. L'amplificateur de réseau comprend une antenne configurée pour recevoir un signal de liaison descendante d'une station de base, et un module à gain variable pour amplifier un signal de liaison montante reçu d'un combiné. Le module à gain variable applique un facteur d'amplification au signal de liaison montante pour produire un signal de liaison montante réglé pour être transmis à la station de base via l'antenne. Un processeur permet de déterminer une valeur de facteur d'amplification, fonction du niveau du signal de liaison descendante. Le facteur d'amplification peut être choisi, de sorte que le brouillage apporté dans un réseau cellulaire par la transmission du signal de liaison montante réglé soit en grande partie éliminé.

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