Information theoretic analysis of LSD scheme

Razavi, R., Hoshyar, R., Imran, M.A. and Wang, Y. (2011) Information theoretic analysis of LSD scheme. IEEE Communications Letters, 15(8), pp. 798-800. (doi:10.1109/LCOMM.2011.061011.102098)

136436.pdf - Accepted Version



In this paper, the capacity region of Low Density Signature Multiple Access Channel (LDS-MAC) is calculated through information theoretic analysis. LDS Code Division Multiple Access (LDS-CDMA) uses spreading sequences of low density for spreading the data symbols in time domain. This technique benefits from a less complex Multiuser Detector (MUD) compared to conventional CDMA with optimum MUD; while keeping the performance close to the single user scenario for up to 200% loaded conditions. Also evaluated is the effect of different factors on the capacity of LDS MAC.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Imran, Professor Muhammad
Authors: Razavi, R., Hoshyar, R., Imran, M.A., and Wang, Y.
College/School:College of Science and Engineering > School of Engineering
Journal Name:IEEE Communications Letters
ISSN (Online):1558-2558
Published Online:23 June 2011
Copyright Holders:Copyright © 2011 IEEE
First Published:First published in IEEE Communications Letters 15(8): 798-800
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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