Method and apparatus for channel estimation using pilots

Details Method and apparatus for channel estimation using pilots Method and apparatus for channel estimation using pilots

H - Electricity

04

L

H04L 25/02 (2006.01)

Patent

CA 2570273

A pilot assisted channel estimation process. A receiver may be configured to estimate the impulse response of a channel from a signal having pilot tones and spread-spectrum pilot signals. The receiver estimates the response of the channel from the pilot tones, and adapts the length of delay the channel response is estimated based on the spread-spectrum pilot signals.

L'invention concerne un procédé d'estimation de canal assistée par pilotes. Un récepteur peut être conçu pour estimer la réponse impulsionnelle d'un canal à partir d'un signal présentant des tonalités pilotes et des signaux pilotes à spectre étalé. Ce récepteur estime la réponse du canal à partir des tonalités pilotes et adapte la longueur du retard d'estimation de la réponse du canal sur la base des signaux pilotes à spectre étalé.

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