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Article: Joint CFO and channel estimation for OFDM-based two-way relay networks

TitleJoint CFO and channel estimation for OFDM-based two-way relay networks
Authors
KeywordsCarrier frequency offset
channel estimation
OFDM
performance analysis
two-way relay network
Issue Date2011
PublisherIEEE.
Citation
Ieee Transactions On Wireless Communications, 2011, v. 10 n. 2, p. 456-465 How to Cite?
Abstract
Joint estimation of the carrier frequency offset (CFO) and the channel is developed for a two-way relay network (TWRN) that comprises two source terminals and an amplify-and-forward (AF) relay. The terminals use orthogonal frequency division multiplexing (OFDM). New zero-padding (ZP) and cyclic-prefix (CP) transmission protocols, which maintain the carrier orthogonality and ensure low estimation and detection complexity, are proposed. Both protocols lead to the same estimation problem which can be solved by the nulling-based least square (LS) algorithm and perform identically when the block length is large. We present detailed performance analysis by proving the unbiasedness of the LS estimators at high signal-to-noise ratio (SNR) and by deriving the closed-form expression of the mean-square-error (MSE). Simulation results are provided to corroborate our findings. © 2011 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/134404
ISSN
2013 Impact Factor: 2.762
2013 SCImago Journal Rankings: 2.722
ISI Accession Number ID
Funding AgencyGrant Number
German Research Foundation (DFG)GA 1654/1-1
Funding Information:

This work was supported in part by the German Research Foundation (DFG) under Grant GA 1654/1-1.

References

 

Author Affiliations
  1. Jacobs University Bremen
  2. The University of Hong Kong
  3. University of Alberta
DC FieldValueLanguage
dc.contributor.authorWang, Gen_HK
dc.contributor.authorGao, Fen_HK
dc.contributor.authorWu, YCen_HK
dc.contributor.authorTellambura, Cen_HK
dc.date.accessioned2011-06-17T09:19:39Z-
dc.date.available2011-06-17T09:19:39Z-
dc.date.issued2011en_HK
dc.identifier.citationIeee Transactions On Wireless Communications, 2011, v. 10 n. 2, p. 456-465en_HK
dc.identifier.issn1536-1276en_HK
dc.identifier.urihttp://hdl.handle.net/10722/134404-
dc.description.abstractJoint estimation of the carrier frequency offset (CFO) and the channel is developed for a two-way relay network (TWRN) that comprises two source terminals and an amplify-and-forward (AF) relay. The terminals use orthogonal frequency division multiplexing (OFDM). New zero-padding (ZP) and cyclic-prefix (CP) transmission protocols, which maintain the carrier orthogonality and ensure low estimation and detection complexity, are proposed. Both protocols lead to the same estimation problem which can be solved by the nulling-based least square (LS) algorithm and perform identically when the block length is large. We present detailed performance analysis by proving the unbiasedness of the LS estimators at high signal-to-noise ratio (SNR) and by deriving the closed-form expression of the mean-square-error (MSE). Simulation results are provided to corroborate our findings. © 2011 IEEE.en_HK
dc.languageengen_US
dc.publisherIEEE.-
dc.relation.ispartofIEEE Transactions on Wireless Communicationsen_HK
dc.rightsIEEE Transactions on Wireless Communications. Copyright © IEEE.-
dc.rights©2011 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.-
dc.subjectCarrier frequency offseten_HK
dc.subjectchannel estimationen_HK
dc.subjectOFDMen_HK
dc.subjectperformance analysisen_HK
dc.subjecttwo-way relay networken_HK
dc.titleJoint CFO and channel estimation for OFDM-based two-way relay networksen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1536-1276&volume=10&issue=2&spage=456&epage=465&date=2011&atitle=Joint+CFO+and+channel+estimation+for+OFDM-based+two-way+relay+networks-
dc.identifier.emailWu, YC:ycwu@eee.hku.hken_HK
dc.identifier.authorityWu, YC=rp00195en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TWC.2010.120310.091615en_HK
dc.identifier.scopuseid_2-s2.0-79951672346en_HK
dc.identifier.hkuros185487en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79951672346&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume10en_HK
dc.identifier.issue2en_HK
dc.identifier.spage456en_HK
dc.identifier.epage465en_HK
dc.identifier.isiWOS:000287325300013-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridWang, G=34882344300en_HK
dc.identifier.scopusauthoridGao, F=11940803400en_HK
dc.identifier.scopusauthoridWu, YC=7406894786en_HK
dc.identifier.scopusauthoridTellambura, C=7006820583en_HK

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