Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/4656
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dc.contributor.authorFeng, L-
dc.contributor.authorFan, P-
dc.contributor.authorLoo, KK-
dc.contributor.authorHao, L-
dc.coverage.spatial16en
dc.date.accessioned2010-12-16T12:19:49Z-
dc.date.available2010-12-16T12:19:49Z-
dc.date.issued2010-
dc.identifier.citationJournal of Wireless Personal Communications, volume 55 (2): 273-288, October 2010en_US
dc.identifier.issn1572-834X-
dc.identifier.urihttp://www.springerlink.com/content/l361742600781j53/fulltext.pdfen
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/4656-
dc.descriptionThe full and final version of the article can be found at the following link.en_US
dc.description.abstractThis paper presents a multi-rate quasi-synchronous CDMA (QS-CDMA) system with QPSK modulation based on the new signature waveforms, namely GPZ-chip waveforms which are constructed by the generalized pairwise Z-complementary (GPZ) codes and optimal chip waveforms. According to the properties of GPZ-chip waveforms, the multiple access interference of different users can be reduced or eliminated. The interferences among different streams of the same user are handled by an optimal (or suboptimal) multi-stream detector(s). The performance of the proposed system is simulated and analyzed in a cellular communication environment consisting of multipath fading. The result shows that the proposed system has similar performance as compared to the single-rate QS-CDMA system employingGPZcodes with one chipwaveform due to the properties ofmulti-stream detection. Also, the proposed system can achieve a significant interference reduction as compared to the multi-rate system employing concatenated WH/m sequence sets with one chip waveform due to the zero correlation zone properties of the GPZ-chip waveforms, thus resulting better BER performance.en_US
dc.description.sponsorshipThis work was supported in part by the National Science Foundation of China (NSFC) under the Grant No. 60772087/90604035, the 111 Project under the grant No.111-2-14, the National 863 High-Tech R&D Program under the grant No.2007AA01Z228, and the Program for New Century Excellent Talents in University (NCET) under the grant No. NECT-05-0795.en_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartof5;4-
dc.subjectZero correlation zoneen_US
dc.subjectGPZ codesen_US
dc.subjectSignature waveformsen_US
dc.subjectQuasi-synchronous CDMA systemen_US
dc.titleNew signature waveforms for multi-rate QS-CDMA system with QPSK modulationen_US
dc.typeResearch Paperen_US
Appears in Collections:Electronic and Computer Engineering
Dept of Electronic and Computer Engineering Research Papers

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