Method and device for increasing the capacity of non-spread...

H - Electricity – 04 – L

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H04L 1/00 (2006.01) H04L 27/26 (2006.01)

Patent

CA 2547555

A method for increasing the capacity of signal transmission systems comprising N¿T? users and a monobloc receiver receiving a mixture of signals from N¿T? users, consisting of the following steps: determination of qualitative information Info(Qs) relating to estimated symbols for each N¿T? user; transmission of said information Info(Qs) to a processing unit which receives information a priori and which is adapted in order to generate quality information Info(Qbs) on the bits making up said symbols; transmission of the Info(Qbs) to a decoding stage in order to obtain qualitative information on the coded bits and Info(Qbu) on the useful bits.

Procédé pour accroître la capacité de systèmes de transmission de signaux comprenant NT utilisateurs, un récepteur monobloc recevant le mélange des signaux provenant des NT utilisateurs comportant au moins les étapes suivantes: déterminer une information qualitative Info (Qs) des symboles estimés pour chacun des NT utilisateurs; transmettre cette information Info(Qs) à un bloc de traitement recevant une information a priori et adapté à générer une information de qualité Info(Qbs) sur les bits constituants les symboles; transmettre l'Info(Qbs) à une étape de décodage pour obtenir une information qualitative sur les bits codés et Info (Qbu) sur les bits utiles.

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