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Adaptive minimum bit error rate multiuser detection for asynchronous MC-CDMA systems frequency selective Rayleigh fading channels

Lookup NU author(s): Yi Yi, Professor Charalampos TsimenidisORCiD, Emeritus Professor Oliver Hinton, Professor Bayan Sharif


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An Adaptive minimum bit error rate (MBER) based linear multiuser detection scheme is proposed for an asynchronous multicarrier code-division multiple-access (MC-CDMA) system in frequency selective Rayleigh fading channels. In general, a MC-CDMA system employs the minimum mean square error (MMSE) receiver due to its good performance and amenability to adaptive implementation. However, the MSE cost function is nut optimal in terms of the bit error probability performance of the system. The proposed multiuser detector (MUD) that directly minimizes the BER can significantly improve the performance by employing an adaptive stochastic gradient algorithm based on the estimation of kernel density function in order to adjust the weights in the receiver. Simulation results demonstrate a clear performance improvement by using the proposed multiuser detection scheme. (8 References).

Publication metadata

Author(s): Tsimenidis CC; Hinton OR; Sharif BS; Yi SJ

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 14th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications

Year of Conference: 2003

Pages: 1269-1273

Publisher: IEEE


DOI: 10.1109/PIMRC.2003.1260316

Notes: Ke G NiuZ 2. Piscataway, NJ, USA. 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications. Proceedings. Beijing, China. IEEE Commun. Soc. 7-10 Sept. 2003.

Library holdings: Search Newcastle University Library for this item

ISBN: 0780378229