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Conference Paper: A blind carrier frequency offset detector used for feedback frequency synchronization in OFDM receivers

TitleA blind carrier frequency offset detector used for feedback frequency synchronization in OFDM receivers
Authors
Issue Date2003
Citation
Ieee International Conference On Communications, 2003, v. 3, p. 2041-2045 How to Cite?
AbstractTo overcome the limitation of previous feedback frequency synchronizers, which can only be applied to track small carrier frequency offset (CFO) in a fraction of the subchannel spacing, a blind CFO detector with large acquisition range is proposed in this paper. Based on the characteristics of CFO-induced complex weighting factors, a novel cost function of CFO is developed, and frequency synchronization is accomplished through the maximization of this cost function. To simplify the implementation of the proposed method, a low-complexity adaptive algorithm is introduced, which simply utilizes the FFT operation of the OFDM demodulator to generate the error signal for each iteration. Both analytical and computer simulation results are presented to demonstrate the performance of the proposed method.
Persistent Identifierhttp://hdl.handle.net/10722/99702
ISSN
2023 SCImago Journal Rankings: 0.861
References

 

DC FieldValueLanguage
dc.contributor.authorLei, Jen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2010-09-25T18:40:55Z-
dc.date.available2010-09-25T18:40:55Z-
dc.date.issued2003en_HK
dc.identifier.citationIeee International Conference On Communications, 2003, v. 3, p. 2041-2045en_HK
dc.identifier.issn0536-1486en_HK
dc.identifier.urihttp://hdl.handle.net/10722/99702-
dc.description.abstractTo overcome the limitation of previous feedback frequency synchronizers, which can only be applied to track small carrier frequency offset (CFO) in a fraction of the subchannel spacing, a blind CFO detector with large acquisition range is proposed in this paper. Based on the characteristics of CFO-induced complex weighting factors, a novel cost function of CFO is developed, and frequency synchronization is accomplished through the maximization of this cost function. To simplify the implementation of the proposed method, a low-complexity adaptive algorithm is introduced, which simply utilizes the FFT operation of the OFDM demodulator to generate the error signal for each iteration. Both analytical and computer simulation results are presented to demonstrate the performance of the proposed method.en_HK
dc.languageengen_HK
dc.relation.ispartofIEEE International Conference on Communicationsen_HK
dc.titleA blind carrier frequency offset detector used for feedback frequency synchronization in OFDM receiversen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailNg, TS:tsng@eee.hku.hken_HK
dc.identifier.authorityNg, TS=rp00159en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0038308002en_HK
dc.identifier.hkuros81515en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0038308002&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume3en_HK
dc.identifier.spage2041en_HK
dc.identifier.epage2045en_HK
dc.identifier.scopusauthoridLei, J=55254291400en_HK
dc.identifier.scopusauthoridNg, TS=7402229975en_HK
dc.identifier.issnl0536-1486-

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