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An adaptive step-size code-constrained minimum output energy receiver for nonstationary CDMA channels

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conference contribution
posted on 05.02.2010 by Peerapol Yuvapoositanon, Jonathon Chambers
The adaptive step-size (AS) code-constrained minimum output energy (CMOE) receiver for nonstationary code-division multiple access (CDMA) channels is proposed. The AS-CMOE algorithm adaptively varies the step-size in order to minimise the CMOE criterion. Admissibility of the proposed method is confirmed via the reformulation of the CMOE criterion as an unconstrained optimisation. The ability of the algorithm to track sudden changes of the channel structure in multipath fading channels is assessed. Sensitivity to the initial values of the step-size and the adaptation rate of the algorithm is also investigated.

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School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

YUVAPOOSITANON, P. and CHAMBERS, J.A., 2003. An adaptive step-size code-constrained minimum output energy receiver for nonstationary CDMA channels. IN: Proceedings of 2003 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP '03), Hong Kong, China, 6-10 April, Vol. 4, pp. 465-8.

Publisher

© IEEE

Version

VoR (Version of Record)

Publication date

2003

Notes

This is a conference paper [© IEEE]. It is also available from: http://ieeexplore.ieee.org/. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

ISBN

0780376633

ISSN

1520-6149

Language

en

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