Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/69269
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dc.titleAn Adaptive Channel Estimation Scheme for OFDM System with Transmitter Diversity
dc.contributor.authorKuan, K.Y.
dc.contributor.authorSuthaharan, S.
dc.contributor.authorNallanathan, A.
dc.date.accessioned2014-06-19T02:58:45Z
dc.date.available2014-06-19T02:58:45Z
dc.date.issued2003
dc.identifier.citationKuan, K.Y.,Suthaharan, S.,Nallanathan, A. (2003). An Adaptive Channel Estimation Scheme for OFDM System with Transmitter Diversity. GLOBECOM - IEEE Global Telecommunications Conference 2 : 873-877. ScholarBank@NUS Repository.
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/69269
dc.description.abstractIn this paper, an adaptive channel estimation scheme is proposed for space-time block coded orthogonal frequency division multiplexing (ST-OFDM) systems. In this scheme, a computationally efficient decoupled maximum likelihood (DEML) algorithm is used to estimate initial channel parameter values. Once the initial values are obtained, an adaptive algorithm is used to obtain more accurate channel estimate values. It is shown that the proposed channel estimation scheme can eliminate the error floor substantially and perform quite close to the system with perfect channel state information for non-time-selective fading channel. For time-selective fading channels, it has the ability to track the channel adaptively without training symbols.
dc.sourceScopus
dc.subjectChannel estimation
dc.subjectDiversity
dc.subjectFading channels
dc.subjectFrequency selective fading
dc.subjectOFDM
dc.subjectSpace-time codes
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.sourcetitleGLOBECOM - IEEE Global Telecommunications Conference
dc.description.volume2
dc.description.page873-877
dc.description.codenCRIEE
dc.identifier.isiutNOT_IN_WOS
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