Time division duplex repeater for use in a cdma system

Details Time division duplex repeater for use in a cdma system Time division duplex repeater for use in a cdma system

H - Electricity

04

B

H04B 7/26 (2006.01) H04B 7/005 (2006.01) H04B 1/69 (2006.01) H04Q 7/22 (2006.01) H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2229641

A method and apparatus for time division duplex (TDD) repeating a spread spectrum signal, said spread spectrum signal comprised of a series of code symbol modulated with a pseudonoise (PN) sequecne. The TDD repeater receives intermittently the spread spectrum signal at a location remote from a source supplying the spread spectrum signal. The TDD repeater amplifies and delays the received spread spectrum signal by a predetermined amount. The TDD repeater transmits intermittently the delayed amplified received spread spectrum signal such that the TDD is not receiving the spread spectrum signal when it is transmitting the signal energy.

Un procédé et un appareil permettant à un duplex à répartition temporelle de répéter un signal à étalement de spectre, ledit signal comprenant une série de symboles codés modulés par une séquence de pseudobruit. Ce répéteur duplex à répartition temporelle reçoit par intermittence le signal à étalement de spectre en un point éloigné d'une source de ce signal, et il amplifie et retarde ce signal à étalement de spectre reçu dans une mesure prédéterminée, puis émet par intermittence ce signal à étalement de spectre reçu, amplifié puis retardé de façon telle qu'il ne reçoive pas le signal à étalement de spectre lorsqu'il émet l'énergie du signal.

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