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Conference Paper: A CDMA Receiver Using Exponentially Weighted Despreading Waveforms

TitleA CDMA Receiver Using Exponentially Weighted Despreading Waveforms
Authors
KeywordsElectronics
Issue Date1998
PublisherIEEE.
Citation
IEEE International Symposium on Circuits and Systems Proceedings, Monterey, CA., 31 May-3 June 1998, v. 4, p. 542-545 How to Cite?
AbstractThis paper presents a DS-CDMA receiver using exponentially weighted despreading waveforms (WDW). The chip weighting waveforms are designed for the purpose of multiple access interference (MAI) rejection by emphasizing the transitions of the received signal of interest. The WDW is determined only by one parameter, which leads to easy tuning of the WDW in practice to achieve the best performance. As a result, we show that the proposed receiver can reject MAI without knowing co-user's spreading codes, timing, and phase, and hence increase system capacity. Analysis and numerical results show that the proposed receiver outperforms the conventional receiver especially when MAI is significant. Finally, a discussion on the effect of bandlimited spreading signals is also given on the practical implications of the proposed technique.
Persistent Identifierhttp://hdl.handle.net/10722/46048
ISSN

 

DC FieldValueLanguage
dc.contributor.authorHuang, Yen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2007-10-30T06:41:25Z-
dc.date.available2007-10-30T06:41:25Z-
dc.date.issued1998en_HK
dc.identifier.citationIEEE International Symposium on Circuits and Systems Proceedings, Monterey, CA., 31 May-3 June 1998, v. 4, p. 542-545en_HK
dc.identifier.issn0271-4302en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46048-
dc.description.abstractThis paper presents a DS-CDMA receiver using exponentially weighted despreading waveforms (WDW). The chip weighting waveforms are designed for the purpose of multiple access interference (MAI) rejection by emphasizing the transitions of the received signal of interest. The WDW is determined only by one parameter, which leads to easy tuning of the WDW in practice to achieve the best performance. As a result, we show that the proposed receiver can reject MAI without knowing co-user's spreading codes, timing, and phase, and hence increase system capacity. Analysis and numerical results show that the proposed receiver outperforms the conventional receiver especially when MAI is significant. Finally, a discussion on the effect of bandlimited spreading signals is also given on the practical implications of the proposed technique.en_HK
dc.format.extent365159 bytes-
dc.format.extent21012 bytes-
dc.format.extent21377 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE International Symposium on Circuits and Systems Proceedings-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©1998 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.subjectElectronicsen_HK
dc.titleA CDMA Receiver Using Exponentially Weighted Despreading Waveformsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0271-4302&volume=4&spage=542&epage=545&date=1998&atitle=A+CDMA+Receiver+Using+Exponentially++Weighted+Despreading+Waveformsen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/ISCAS.1998.698980en_HK
dc.identifier.hkuros34729-

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