Iterative Decoding and Soft Interference Cancellation for the Gaussian Multiple Access Channel

Authors:
Nicolas Ibrahim;Ghassan Kawas Kaleh
Affiliations:
Ecole Nationale Supérieure des Télécommunications, 46 Rue Barrault, 75634 Paris 13, France E-mail: ibrahim@sig.enst.fr;Ecole Nationale Supérieure des Télécommunications, 46 Rue Barrault, 75634 Paris 13, France E-mail: kaleh@sig.enst.fr
Venue:
Wireless Personal Communications: An International Journal
Year:
2000

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Abstract

For the Gaussian multiple access channel, we studied a joint channel decoderand multiple access interference canceller. For each user, the decoderoutput was used to generate a soft estimate of the user signal. Theestimate was improved by iterating decoding and cancellation untilconvergence was reached. A final, hard decoding was then performed.Simulation results are presented.