H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 25/03 (2006.01) H04L 25/02 (2006.01) H04B 1/707 (2006.01)
Patent
CA 2516183
In a wireless communication system, a method for estimating a transmitted signal is disclosed. A wireless signal is received that includes a pilot channel and at least one other channel. A transmitted signal is estimated using an equalizer and the received wireless signal. The equalizer includes a filter with a plurality of taps that are adapted through use of an adaptive algorithm that uses an estimated pilot estimated from the received wireless signal. The pilot channel is transmitted in the wireless signal that included the at least one other channel. The estimated pilot is extracted and provided to the adaptive algorithm.
La présente invention a trait à un système de communications sans fil dans lequel est mis en oeuvre un procédé d'estimation de signal transmis. Un signal sans fil est reçu comprenant une voie pilote et au moins une autre voie. Un signal transmis est estimé au moyen d'un égaliseur et du signal reçu. L'égaliseur comporte un filtre avec une pluralité de branchements qui sont adaptés par l'utilisation d'un algorithme adaptatif qui utilise une voie pilote estimée à partir du signal sans fil reçu. La voie pilote est transmise dans le signal sans fil qui comprend ladite au moins une autre voie. La voie pilote estimée est extraite et fournie à l'algorithme adaptatif.
Blanz Josef J.
Malladi Durga Prasad
Wei Yongbin
Qualcomm Incorporated
Smart & Biggar
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