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Expanded subspace approaches for multiuser detection for CDMA multipath frequency selective fading channels

Lookup NU author(s): Hongwei Zhou, Dr Wai Lok Woo, Professor Bayan Sharif


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Multiuser detection for direct-sequence code-division multiple-access (DS/CDMA) multipath frequency-selective fading channels with intersymbol interference (ISI) is considered. The concept of expanded signal subspace is introduced to characterize the unique property of the CD MA systems in multipath channels. By fully exploiting the structure of the expanded signal subspace, novel expanded approaches are developed to jointly suppress ISI and multiple access interference (MAI). Simulations have verified that the proposed detectors are immune to MAI and ISI and are near-far resistant, significantly outperforming the conventional multiuser detectors. © 2005 IEEE.

Publication metadata

Author(s): Zhou H, Woo WL, Sharif BS

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: International Conference on Wireless Communications, Networking and Mobile Computing (WCNM)

Year of Conference: 2005

Pages: 635-638

Publisher: IEEE


DOI: 10.1109/WCNM.2005.1544124

Library holdings: Search Newcastle University Library for this item

ISBN: 078039335X