Correction circuit for improving performance in a channel...

H - Electricity – 03 – M

Patent

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Details

H03M 13/45 (2006.01) H04L 1/00 (2006.01) H04L 1/22 (2006.01)

Patent

CA 2633994

A receiver for a mobile communication system includes a channel equalizer for receiving a burst and generating a soft decision output associated with the burst, a soft decision correction circuit follows the channel equalizer and a decoder receives and decodes a block of bursts. The soft decision correction circuit calculates a correction factor based on the soft decision output for the burst and applies the correction factor to the burst prior to the burst entering the decoder.

L'invention concerne un récepteur pour un système de communications mobile comprenant un égaliseur de canal destiné à recevoir un paquet de données et à produire des données de sortie à décision souple, associées au paquet de données, un circuit de correction à décision souple suivant l'égaliseur de canal et un décodeur recevant et décodant un bloc de paquets de données. Le circuit de correction à décision souple calcule un facteur de correction, sur la base des données de sortie à décision souple, pour le paquet de données et applique le facteur de correction au paquet de données, avant que ce dernier n'entre dans le décodeur.

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