Adaptive equalizer system for short burst modems and link...

H - Electricity – 03 – H

Patent

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H03H 7/40 (2006.01) H04L 25/03 (2006.01)

Patent

CA 2484899

A method for an adaptive equalization apparatus (500) in a multiple-link hopping radio system includes hopping among a plurality of radio links to receive variable-length bursts of radio signals on the plurality of radio links and equalizing amplitude and phase variations of a slow channel for each radio link from a received burst on the radio link. Further, the method includes storing the estimated tap coefficients pertinent to each radio link and using the tap weights of the current burst of the radio link to reliably pre-compensate the channel amplitude and phase distortion of a next received burst on the radio link.

L'invention concerne un procédé destiné à un égaliseur adaptatif (500) dans un système radio à sauts de liaisons multiples. Ce procédé consiste à exécuter des sauts parmi une pluralité de liaisons radio pour recevoir des rafales de signaux radio à longueur variable sur la pluralité de liaisons radio et à égaliser les variations d'amplitude et de phase d'un canal lent pour chaque liaison radio à partir d'une rafale reçue sur la liaison radio. Ce procédé consiste également à stocker les coefficients de prise estimés pertinents pour chaque liaison radio et à utiliser les facteurs de pondération de prise de la rafale courante de la liaison radio afin de précompenser de manière fiable l'amplitude de canal et la distorsion de phase d'une rafale reçue suivante sur la liaison radio.

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