Method and apparatus for correcting a measured round-trip...

Details Method and apparatus for correcting a measured round-trip... Method and apparatus for correcting a measured round-trip...

H - Electricity

04

J

H04J 3/06 (2006.01) H04B 17/00 (2006.01) H04B 1/707 (2006.01) H04J 13/00 (2006.01)

Patent

CA 2304649

Correction of a round-trip delay within a communication system (100) takes place by receiving an uplink communication signal (119) over uplink communication signal paths (130-132) and determining what ray was utilized by a remote unit (113) in time aligning the uplink communication signal (119). In particular, a base station (101) analyzes the uplink communication signal (119) and predicts the ray that the remote unit (113) utilized for time alignment. Once the base station (101) has determined the ray that the remote unit (113) utilized in time alignment, the base station (101) corrects any calculation of round-trip delay accordingly.

On corrige un temps de propagation aller et retour dans un système de radiocommunication (100) en recevant un signal de liaison montante (119) sur les trajets de ce type de signal (130-132), puis en déterminant quelle onde a été utilisée par une unité distante (113) pour effectuer le réglage temporel du signal considéré (119). En particulier, une station de base (101) analyse ledit signal (119) et détermine l'onde que l'unité distante (113) a utilisée pour le réglage en question. Lorsque la station de base (101) a déterminé l'onde ainsi utilisée par l'unité distante (113), la station de base (101) corrige en conséquence tout calcul du temps de propagation aller et retour.

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