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Conference Paper: A group-blind multiuser receiver for MC-CDMA systems

TitleA group-blind multiuser receiver for MC-CDMA systems
Authors
KeywordsElectronics
Issue Date2004
PublisherIEEE.
Citation
Proceedings - Ieee International Symposium On Circuits And Systems, 2004, v. 3, p. III597-III600 How to Cite?
AbstractIn this paper, a group-blind multiuser receiver is investigated for multicarrier code division multiple access (MC-CDMA) systems. In uplink transmissions, the receiver has the knowledge of the spreading sequences of the users within the cell, while the spreading sequences of the users from other cells are unknown. By imposing linear vector constraints on the multiuser detector, group-blind detection can efficiently suppress the known interferers, while mitigating the unknown interferers based on the minimum mean square error (MMSE) principle. A subspace-based channel estimation algorithm is proposed to blindly estimate the channel information. An adaptive implementation of the group-blind multiuser detection is also developed by using signal and noise subspace tracking algorithms. Numerical results show that the performance of the group-blind detector is much better than the subspace-based blind linear MMSE detector.
Persistent Identifierhttp://hdl.handle.net/10722/46432
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorCheng, Hen_HK
dc.contributor.authorChan, SCen_HK
dc.date.accessioned2007-10-30T06:49:44Z-
dc.date.available2007-10-30T06:49:44Z-
dc.date.issued2004en_HK
dc.identifier.citationProceedings - Ieee International Symposium On Circuits And Systems, 2004, v. 3, p. III597-III600en_HK
dc.identifier.issn0271-4310en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46432-
dc.description.abstractIn this paper, a group-blind multiuser receiver is investigated for multicarrier code division multiple access (MC-CDMA) systems. In uplink transmissions, the receiver has the knowledge of the spreading sequences of the users within the cell, while the spreading sequences of the users from other cells are unknown. By imposing linear vector constraints on the multiuser detector, group-blind detection can efficiently suppress the known interferers, while mitigating the unknown interferers based on the minimum mean square error (MMSE) principle. A subspace-based channel estimation algorithm is proposed to blindly estimate the channel information. An adaptive implementation of the group-blind multiuser detection is also developed by using signal and noise subspace tracking algorithms. Numerical results show that the performance of the group-blind detector is much better than the subspace-based blind linear MMSE detector.en_HK
dc.format.extent279480 bytes-
dc.format.extent2233 bytes-
dc.format.extent27162 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofProceedings - IEEE International Symposium on Circuits and Systemsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©2004 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 group-blind multiuser receiver for MC-CDMA systemsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0271-4302&volume=3&spage=597&epage=600&date=2004&atitle=A+group-blind+multiuser+receiver+for+MC-CDMA+systemsen_HK
dc.identifier.emailChan, SC:scchan@eee.hku.hken_HK
dc.identifier.authorityChan, SC=rp00094en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/ISCAS.2004.1328817en_HK
dc.identifier.scopuseid_2-s2.0-4344661247en_HK
dc.identifier.hkuros90064-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-4344661247&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume3en_HK
dc.identifier.spageIII597en_HK
dc.identifier.epageIII600en_HK
dc.identifier.scopusauthoridCheng, H=7404285647en_HK
dc.identifier.scopusauthoridChan, SC=13310287100en_HK

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