Turbo/katlamalı kodlanmış SFBC/STBC-OFDM sistemlerinde yinelemeli kanal kestirimi

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dc.citation.epage4en_US
dc.citation.spage1en_US
dc.contributor.authorDoǧan, H.en_US
dc.contributor.authorÇırpan, H. A.en_US
dc.contributor.authorPanayırcı, Erdalen_US
dc.coverage.spatialAntalya, Turkey
dc.date.accessioned2016-02-08T11:47:20Z
dc.date.available2016-02-08T11:47:20Z
dc.date.issued2006-04en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 17-19 April 2006
dc.descriptionConference name: 2006 IEEE 14th Signal Processing and Communications Applications
dc.description.abstractWe consider the design of turbo receiver structures for space-frequency block coded (SFBC/STBC) OFDM systems in unknown frequency selective fading channels. The Turbo receiver structures for SFBC/STBC-OFDM systems under consideration consists of an iterative MAP Expectation/Maximization (EM) channel estimation algorithm, soft MMSE SFBC/STBC decoder and a soft MAP outer-channel-code decoder. MAP-EM employs iterative channel estimation and it improves receiver performance by re-estimating the channel after each decoder iteration. Moreover, the MAP-EM approach considers the channel variations as random processes and applies the Karhunen-Loeve (KL) orthogonal series expansion. The performance of the proposed approaches are studied in terms of mean square error and bit-error rate. Through experimental results, the effect of a pilot spacing on the channel estimator performance and sensitivity of turbo receiver structures on channel estimation error are studied. © 2006 IEEE.en_US
dc.identifier.doi10.1109/SIU.2006.1659853en_US
dc.identifier.urihttp://hdl.handle.net/11693/27200
dc.language.isoTurkishen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/SIU.2006.1659853en_US
dc.source.title2006 IEEE 14th Signal Processing and Communications Applications Conferenceen_US
dc.subjectDecodersen_US
dc.subjectKarhunen-Loeve (KL) orthogonal series expansionen_US
dc.subjectTurbo receiveren_US
dc.subjectBit error rateen_US
dc.subjectBlock codesen_US
dc.subjectFading channelsen_US
dc.subjectIterative decodingen_US
dc.subjectMean square erroren_US
dc.subjectOptimizationen_US
dc.subjectOrthogonal frequency division multiplexingen_US
dc.subjectTurbo codesen_US
dc.subjectChannel estimationen_US
dc.titleTurbo/katlamalı kodlanmış SFBC/STBC-OFDM sistemlerinde yinelemeli kanal kestirimien_US
dc.title.alternativeEM based MAP channel estimation for turbo/convolutional coded SFBC/STBC-OFDM systemsen_US
dc.typeConference Paperen_US
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