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Performance of space-time interference cancellation methods for DS-CDMA systems

Lookup NU author(s): Professor Bayan Sharif

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Abstract

This paper presents a performance study of space-time receiver structures based on Parallel Interference Cancellation (PIC) and Successive Interference Cancellation (SIC) methods for an up-link multiuser Direct Sequence CDMA (DS-CMDA) channel. Computer simulations show that the canceller significantly reduces the interference from a detected strong user which then mitigates the level of Multiple Access Interference (MAI) at the input to the following stage. The results have also shown improved performance for SIC over PIC, however, this is at the expense of extra pre-processing to rank users prior to cancellation. The robust performance of SIC is maintained even when strong and weak users are positioned in the same direction with reference to the base station. (10 References).


Publication metadata

Author(s): Sharif BS; Al-Dabbous NA

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Third International Conference on 3G Mobile Communication Technologies

Year of Conference: 2002

Pages: 272-275

ISSN: 0537-9989

Publisher: IEEE

URL: http://dx.doi.org/10.1049/cp:20020403

DOI: 10.1049/cp:20020403

Library holdings: Search Newcastle University Library for this item

ISBN: 0852967497


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