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Conference Paper: Effects of of weighted despreading sequence on CDMA performance

TitleEffects of of weighted despreading sequence on CDMA performance
Authors
KeywordsCommunications
Radio
Issue Date1997
PublisherIEEE.
Citation
The 8th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'97), Helsinki, Finland, 1-4 September 1997. In Conference Proceedings, 1997, v. 1, p. 226-230 How to Cite?
AbstractThis paper addresses the effects of a weighted despreading sequence on the performance of a coherent receiver in a DS-CDMA system. The chip weighting waveforms used in the receiver are designed for the purpose of multiple access interference rejection by emphasizing the transitions of the received signal of interest. Since the resulting weighted despreading sequence is determined only by one parameter, this leads to easy tuning of the weighted despreading sequence in practice to achieve the best performance. The criterion of tuning the parameter is to maximize the derived signal to interference plus noise ratio of the decision variable based on the relative strength between white noise and multiple access interference. As a result, according to the proposed approach, we can reject the multiple access interference without knowing the co-user's spreading codes, timing, and phase since maximizing the signal to interference plus noise ratio in Gaussian noise minimizes the probability of error of the receiver.
DescriptionWaves of the Year 2000
This paper received the best paper award in the conference
Persistent Identifierhttp://hdl.handle.net/10722/46047
References

 

DC FieldValueLanguage
dc.contributor.authorHuang, Yen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2007-10-30T06:41:23Z-
dc.date.available2007-10-30T06:41:23Z-
dc.date.issued1997en_HK
dc.identifier.citationThe 8th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'97), Helsinki, Finland, 1-4 September 1997. In Conference Proceedings, 1997, v. 1, p. 226-230en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46047-
dc.descriptionWaves of the Year 2000-
dc.descriptionThis paper received the best paper award in the conference-
dc.description.abstractThis paper addresses the effects of a weighted despreading sequence on the performance of a coherent receiver in a DS-CDMA system. The chip weighting waveforms used in the receiver are designed for the purpose of multiple access interference rejection by emphasizing the transitions of the received signal of interest. Since the resulting weighted despreading sequence is determined only by one parameter, this leads to easy tuning of the weighted despreading sequence in practice to achieve the best performance. The criterion of tuning the parameter is to maximize the derived signal to interference plus noise ratio of the decision variable based on the relative strength between white noise and multiple access interference. As a result, according to the proposed approach, we can reject the multiple access interference without knowing the co-user's spreading codes, timing, and phase since maximizing the signal to interference plus noise ratio in Gaussian noise minimizes the probability of error of the receiver.en_HK
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©1997 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.subjectCommunicationsen_HK
dc.subjectRadioen_HK
dc.titleEffects of of weighted despreading sequence on CDMA performanceen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailNg, Tung Sang: tsng@eee.hku.hk-
dc.identifier.authorityNg, Tung Sang=rp00159-
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/PIMRC.1997.624397en_HK
dc.identifier.scopuseid_2-s2.0-0031381730-
dc.identifier.hkuros34707-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031381730&selection=ref&src=s&origin=recordpage-
dc.identifier.volume1-
dc.identifier.spage226-
dc.identifier.epage230-
dc.identifier.scopusauthoridHuang, Yuejin=8118863900-
dc.identifier.scopusauthoridNg, Tung Sang=7402229975-
dc.customcontrol.immutablesml 160107 - merged-

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