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Acquisition Performance Study of Single- and Multi-carrier DS-CDMA over Nakagami-$m$ Fading Channels

Yang, L-L. and Hanzo, L. (2001) Acquisition Performance Study of Single- and Multi-carrier DS-CDMA over Nakagami-$m$ Fading Channels At VTC'2001 (Spring), Greece. 06 - 09 May 2001. , pp. 2460-2464.

Record type: Conference or Workshop Item (Paper)

Abstract

In this contribution we investigate and compare the initial acquisition performance of single- and multi-carrier DS-CDMA systems over multipath Nakagami-<i>m</i> fading channels under the hypothesis of multiple synchronous states in the uncertainty region of the PN code. The code acquisition performance is evaluated in the context of multi-carrier DS-CDMA (MC DS-CDMA), when the correlator outputs of the subcarriers associated with the same phase of the local pseudo-noise (PN) code replica are non-coherently combined using an equal gain combining (EGC) scheme. Our investigations indicate that the code acquisition performance of the MC DS-CDMA scheme is better, than that of the single-carrier DS-CDMA scheme over the multipath Nakagami-m fading channels encountered. However, if the detection threshold was set inappropriately, the performance might be degraded, even if the channel quality improves.

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More information

Published date: May 2001
Additional Information: Abstract page 265 CD Rom, Paper 534. Event Dates: 6-9 May 2001 Organisation: IEEE Address: Rhodes, Greece
Venue - Dates: VTC'2001 (Spring), Greece, 2001-05-06 - 2001-05-09
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 255912
URI: http://eprints.soton.ac.uk/id/eprint/255912
PURE UUID: a2aec485-7785-4b8b-beee-52a01c95b470
ORCID for L-L. Yang: ORCID iD orcid.org/0000-0002-2032-9327

Catalogue record

Date deposited: 07 Jan 2004
Last modified: 18 Jul 2017 09:50

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Contributors

Author: L-L. Yang ORCID iD
Author: L. Hanzo

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