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Article: A more accurate analysis of interference for rake combining on DS-CDMA forward link in mobile radio

TitleA more accurate analysis of interference for rake combining on DS-CDMA forward link in mobile radio
Authors
Issue Date2005
Citation
IEICE Transactions on Communications, 2005, v. E88-B n. 2, p. 654-663 How to Cite?
AbstractIn this paper, we improve the performance analysis of the Rake receiver for the DS-CDMA forward link using long random spreading sequences (RSS's) [15] by more accurately evaluating the correlation between the various interference terms. We also extend the analysis to the case of short (periodic) RSS. The accuracy of the expressions obtained in our analysis is verified by computer simulation. We show that for a given normalized spreading factor, the bit error rate (BER) performance of the Rake receiver is the same for BPSK and QPSK data modulation. We also show that when the channel delay spread is smaller than a data symbol duration, the CDMA receiver has similar BER performance for long and short RSS's. However, for large delay spread, the employment of short RSS's may result in severe performance degradation. Copyright © 2005 The Institute of Electronics, Information and Communication Engineers.
Persistent Identifierhttp://hdl.handle.net/10722/194149
ISSN
2015 Impact Factor: 0.3
2015 SCImago Journal Rankings: 0.184

 

DC FieldValueLanguage
dc.contributor.authorHuang, K-
dc.contributor.authorAdachi, F-
dc.contributor.authorChew, YH-
dc.date.accessioned2014-01-30T03:32:13Z-
dc.date.available2014-01-30T03:32:13Z-
dc.date.issued2005-
dc.identifier.citationIEICE Transactions on Communications, 2005, v. E88-B n. 2, p. 654-663-
dc.identifier.issn0916-8516-
dc.identifier.urihttp://hdl.handle.net/10722/194149-
dc.description.abstractIn this paper, we improve the performance analysis of the Rake receiver for the DS-CDMA forward link using long random spreading sequences (RSS's) [15] by more accurately evaluating the correlation between the various interference terms. We also extend the analysis to the case of short (periodic) RSS. The accuracy of the expressions obtained in our analysis is verified by computer simulation. We show that for a given normalized spreading factor, the bit error rate (BER) performance of the Rake receiver is the same for BPSK and QPSK data modulation. We also show that when the channel delay spread is smaller than a data symbol duration, the CDMA receiver has similar BER performance for long and short RSS's. However, for large delay spread, the employment of short RSS's may result in severe performance degradation. Copyright © 2005 The Institute of Electronics, Information and Communication Engineers.-
dc.languageeng-
dc.relation.ispartofIEICE Transactions on Communications-
dc.titleA more accurate analysis of interference for rake combining on DS-CDMA forward link in mobile radio-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-24144476648-
dc.identifier.volumeE88-B-
dc.identifier.issue2-
dc.identifier.spage654-
dc.identifier.epage663-

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