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Conference Paper: Time domain equalization for OFDM systems

TitleTime domain equalization for OFDM systems
Authors
KeywordsElectronics
Issue Date2006
PublisherIEEE.
Citation
Proceedings - Ieee International Symposium On Circuits And Systems, 2006, p. 3946-3949 How to Cite?
AbstractIn this paper, a time domain equalization algorithm is proposed for single-TX multiple-RX OFDM systems over frequency selective fading channels. The algorithm, which cancels most of the intersymbol interference (ISI), utilizes the orthogonality of the IFFT matrix and the second order statistics of the received signals. The signals are then detected, with the aid of only four pilots, from the equalizer output. The number of pilots required in the proposed algorithm is less than that in existing algorithms and channel length estimation is not needed. In addition, the proposed algorithm is applicable to both the case where the channel length is shorter than or equal to the length of cyclic prefix (CP), and the case where the channel length is longer than the length of cyclic prefix which results in inter-block interference (IBI). Simulation results confirm the effectiveness of the proposed algorithm in both cases and indicate that it is more practical as there is no restriction on the channel and CP lengths. © 2006 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/45904
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorShaodan, Men_HK
dc.contributor.authorWong, Nen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2007-10-30T06:38:10Z-
dc.date.available2007-10-30T06:38:10Z-
dc.date.issued2006en_HK
dc.identifier.citationProceedings - Ieee International Symposium On Circuits And Systems, 2006, p. 3946-3949en_HK
dc.identifier.issn0271-4310en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45904-
dc.description.abstractIn this paper, a time domain equalization algorithm is proposed for single-TX multiple-RX OFDM systems over frequency selective fading channels. The algorithm, which cancels most of the intersymbol interference (ISI), utilizes the orthogonality of the IFFT matrix and the second order statistics of the received signals. The signals are then detected, with the aid of only four pilots, from the equalizer output. The number of pilots required in the proposed algorithm is less than that in existing algorithms and channel length estimation is not needed. In addition, the proposed algorithm is applicable to both the case where the channel length is shorter than or equal to the length of cyclic prefix (CP), and the case where the channel length is longer than the length of cyclic prefix which results in inter-block interference (IBI). Simulation results confirm the effectiveness of the proposed algorithm in both cases and indicate that it is more practical as there is no restriction on the channel and CP lengths. © 2006 IEEE.en_HK
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dc.format.mimetypetext/plain-
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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©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.subjectElectronicsen_HK
dc.titleTime domain equalization for OFDM systemsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0271-4302&volume=&spage=3946&epage=3949&date=2006&atitle=Time+domain+equalization+for+OFDM+systemsen_HK
dc.identifier.emailWong, N:nwong@eee.hku.hken_HK
dc.identifier.emailNg, TS:tsng@eee.hku.hken_HK
dc.identifier.authorityWong, N=rp00190en_HK
dc.identifier.authorityNg, TS=rp00159en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/ISCAS.2006.1693492en_HK
dc.identifier.scopuseid_2-s2.0-34547378587en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34547378587&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage3946en_HK
dc.identifier.epage3949en_HK
dc.identifier.scopusauthoridShaodan, M=15835715800en_HK
dc.identifier.scopusauthoridWong, N=35235551600en_HK
dc.identifier.scopusauthoridNg, TS=7402229975en_HK

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