Inherent diversity combining techniques to mitigate frequency selective fading in chaos-based DSSS systems

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dc.contributor.author Berber, Stevan en
dc.contributor.author Gandhi, AK en
dc.date.accessioned 2017-07-31T02:17:48Z en
dc.date.issued 2016-06 en
dc.identifier.citation Physical Communication 19:30-37 Jun 2016 en
dc.identifier.issn 1874-4907 en
dc.identifier.uri http://hdl.handle.net/2292/34610 en
dc.description.abstract Analysis of communication systems with combiners, assuming flat fading channels, is well-known. However, this analysis for a chaos-based DSSS system with a frequency selective channel, giving proper mathematical model and derived expressions for the probability of error, practically does not exist. This paper presents the theoretical model of a chaos-based DSSS system assuming frequency selective channel that is composed of a primary channel and a number of secondary channels. In order to investigate the consequences of delays on signal transmission in these channels, this paper uses presentation of signals in discrete time domain and theoretical frame of discrete time stochastic processes. The channel is represented by a modified Saleh–Valenzuela model, which results in a number of delayed signal replicas at the receiver side. For the sake of explanation, the delays are assumed to remain in a chip interval. For the sake of comparison, the theoretical models and derived expressions are confirmed by the simulation of the system. en
dc.publisher Elsevier BV en
dc.relation.ispartofseries Physical Communication en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Inherent diversity combining techniques to mitigate frequency selective fading in chaos-based DSSS systems en
dc.type Journal Article en
dc.identifier.doi 10.1016/j.phycom.2016.02.001 en
pubs.begin-page 30 en
pubs.volume 19 en
dc.rights.holder Copyright: Elsevier BV en
pubs.end-page 37 en
pubs.publication-status Published en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 525877 en
pubs.org-id Engineering en
pubs.org-id Department of Electrical, Computer and Software Engineering en
pubs.record-created-at-source-date 2017-07-31 en


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