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Turbo receivers for interleave-division multiple-access systems

Cristea, Bogdan and Roviras, Daniel and Escrig, Benoît Turbo receivers for interleave-division multiple-access systems. (2009) IEEE Transactions on Communications, vol. 5 (n° 7). pp. 1-9. ISSN 0090-6778

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Official URL: http://dx.doi.org/10.1109/TCOMM.2009.070525

Abstract

In this paper several turbo receivers for Interleave- Division Multiple-Access (IDMA) systems will be discussed. The multiple access system model is presented first. The optimal, Maximum A Posteriori (MAP) algorithm, is then presented. It will be shown that the use of a precoding technique at the emitter side is applicable to IDMA systems. Several low complexity Multi-User Detector (MUD), based on the Gaussian approximation, will be next discussed. It will be shown that the MUD with Probabilistic Data Association (PDA) algorithm provides faster convergence of the turbo receiver. The discussed turbo receivers will be evaluated by means of Bit Error Rate (BER) simulations and EXtrinsic Information Transfer (EXIT) charts.

Item Type:Article
Additional Information:This publication is available on http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=26
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By: Benoit Escrig

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