Amplitude and phase estimation method in a wireless...

Details Amplitude and phase estimation method in a wireless... Amplitude and phase estimation method in a wireless...

H - Electricity

04

B

H04B 1/707 (2006.01)

Patent

CA 2374282

Apparatuses for a transmitter and a receiver (202) which enhance the performance of a system coherent demodulation by utilizing non-pilot sub-channels to enhance the accuracy of estimates of amplitude and phase noise inherent in the transmission channel. This enhancement is accomplished by utilizing the corrected received data on a fundamental channel to enhance a pilot channel estimate, which is subsequently utilized by a dot product module in demodulating a supplementary data channel.

La présente invention concerne des appareils pour en émetteur et un récepteur (202) qui améliorent l'efficacité de la démodulation cohérente d'un système par l'utilisation de sous-voies non pilotées pour accroître la précision des estimations de bruit d'amplitude et de phase inhérent à la voie de transmission. Cette amélioration est obtenue par l'utilisation des données corrigées reçues d'une voie fondamentale en vue d'améliorer l'estimation de la voie pilote, qui est ultérieurement utilisée par un module de produit de points pour la démodulation d'une voie additionnelle de données.

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