Enhanced channel estimation for communication system receiver

Details Enhanced channel estimation for communication system receiver Enhanced channel estimation for communication system receiver

H - Electricity

04

B

H04B 1/00 (2006.01) H04L 25/02 (2006.01) H04J 11/00 (2006.01)

Patent

CA 2652146

An embodiment of the present invention is a technique to process signals in a communication system. A channel impulse response (CIR) generator generates a time-domain windowed CIR from a received signal using a window function. A thresholder thresholds the time-domain windowed CIR. A compensator compensates window effect for the thresholded time-domain windowed CIR to provide an enhanced channel estimate in frequency domain.

La présente invention concerne selon un mode de réalisation une technique pour traiter des signaux dans un système de communication. Un générateur de réponse d'impulsion de canal (CIR) génère une CIR à fenêtre de domaine temporel provenant d'un signal reçu à l'aide d'une fonction de fenêtre. Un dispositif d'établissement de seuil estime le seuil de la CIR à fenêtre de domaine temporel. Un compensateur compense l'effet de fenêtre pour la CIR à fenêtre de domaine temporel à seuil pour fournir une estimation de canal améliorée dans le domaine de fréquence.

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