Method and apparatus for providing high quality...

H - Electricity – 04 – L

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H04L 1/06 (2006.01) H04W 28/04 (2009.01) H03M 13/11 (2006.01) H04L 1/22 (2006.01) H04W 88/02 (2009.01) H04B 1/69 (2006.01) H04J 13/02 (2006.01)

Patent

CA 2349710

A mobile radio telecommunications system is described in which the same user message is transmitted with forward error correction (FEC) codes on three separate channels to a receiver (45). The FEC codes for the three signals are different, e.g. different bits are punctured in the first signal compared with the second signal and so on. The receiver (45) includes a plurality of data receivers (40-42) for extracting the received signals as well as a forward error correction decoder (48) for substantially simultaneously decoding the differently forward error correction coded signals. The extracted decoded signals can be used individually or combined in a variety of ways to improve reception.

L'invention concerne un système de télécommunication radio mobile dans lequel le même message utilisateur est transmis avec des codes à correction aval des erreurs sur trois voies séparées en direction d'un récepteur (45). Ces codes sont différents pour les trois signaux. Par exemple, différents bits sont percés dans le premier signal par rapport au deuxième signal, et ainsi de suite. Le récepteur (45) comprend plusieurs récepteurs de données (40-42) pour extraire les signaux reçus ainsi qu'un décodeur à correction aval des erreurs (48) pour décoder de manière sensiblement simultanée les différents signaux codés avec une correction aval des erreurs. Ces signaux décodés extraits peuvent être utilisés individuellement, ou combinés, de diverses manières pour améliorer la réception.

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