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Article: The use of delay-locked loop signals in DS/CDMA receiver for multiple-access interference reduction

TitleThe use of delay-locked loop signals in DS/CDMA receiver for multiple-access interference reduction
Authors
KeywordsCDMA capacity
Code-division multiple-access (CDMA) interference mitigation
Delay-locked lop
Multiple-access interference
Spread-spectrum receiver
Issue Date2006
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=25
Citation
Ieee Transactions On Vehicular Technology, 2006, v. 55 n. 3, p. 980-989 How to Cite?
AbstractThis paper presents a coherent demodulation scheme that reduces the multiple-access interference (MAI) considerably in a band-limited direct-sequence code-division multiple-access system. The despreading signal is obtained from a combination of the conventional despreading signal and its weighted early and late versions that are used in the delay-locked loop (DLL). It is shown that with appropriate choice of the weighting parameter of the early-late signals of the DLL, the signal-to-interference-plus-noise ratio of the decision variable is increased, which leads to improvement in the bit-error performance and hence the potential increase in the system capacity by about 25%. The analyses are performed in the frequency domain. The effect of imperfect synchronization on the system performance is also analyzed. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/44806
ISSN
2015 Impact Factor: 2.243
2015 SCImago Journal Rankings: 1.203
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorThayaparan, Sen_HK
dc.contributor.authorNg, TSen_HK
dc.contributor.authorWang, Jen_HK
dc.date.accessioned2007-10-30T06:10:37Z-
dc.date.available2007-10-30T06:10:37Z-
dc.date.issued2006en_HK
dc.identifier.citationIeee Transactions On Vehicular Technology, 2006, v. 55 n. 3, p. 980-989en_HK
dc.identifier.issn0018-9545en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44806-
dc.description.abstractThis paper presents a coherent demodulation scheme that reduces the multiple-access interference (MAI) considerably in a band-limited direct-sequence code-division multiple-access system. The despreading signal is obtained from a combination of the conventional despreading signal and its weighted early and late versions that are used in the delay-locked loop (DLL). It is shown that with appropriate choice of the weighting parameter of the early-late signals of the DLL, the signal-to-interference-plus-noise ratio of the decision variable is increased, which leads to improvement in the bit-error performance and hence the potential increase in the system capacity by about 25%. The analyses are performed in the frequency domain. The effect of imperfect synchronization on the system performance is also analyzed. © 2006 IEEE.en_HK
dc.format.extent276902 bytes-
dc.format.extent1999 bytes-
dc.format.extent21012 bytes-
dc.format.extent21377 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=25en_HK
dc.relation.ispartofIEEE Transactions on Vehicular Technologyen_HK
dc.rights©2006 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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCDMA capacityen_HK
dc.subjectCode-division multiple-access (CDMA) interference mitigationen_HK
dc.subjectDelay-locked lopen_HK
dc.subjectMultiple-access interferenceen_HK
dc.subjectSpread-spectrum receiveren_HK
dc.titleThe use of delay-locked loop signals in DS/CDMA receiver for multiple-access interference reductionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0018-9545&volume=55&issue=3&spage=980&epage=989&date=2006&atitle=The+use+of+delay-locked+loop+signals+in+DS/CDMA+receiver+for+multiple-access+interference+reductionen_HK
dc.identifier.emailNg, TS:tsng@eee.hku.hken_HK
dc.identifier.authorityNg, TS=rp00159en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TVT.2006.874575en_HK
dc.identifier.scopuseid_2-s2.0-33744528855en_HK
dc.identifier.hkuros119762-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33744528855&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume55en_HK
dc.identifier.issue3en_HK
dc.identifier.spage980en_HK
dc.identifier.epage989en_HK
dc.identifier.isiWOS:000237849600027-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridThayaparan, S=13805266500en_HK
dc.identifier.scopusauthoridNg, TS=7402229975en_HK
dc.identifier.scopusauthoridWang, J=7701313861en_HK

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