MP-SAGE based channel estimation for underwater cooperative OFDM systems
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Date
2013
Authors
Erdogan, M.
Senol, H.
Panaytrel, E.
Uysal, M.
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Yes
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Abstract
In this paper, an efficient ehannel estimation algorithm is proposed fOl' amplify-And-forward (AF) eooperative relay based orthogonal fl'equency division multiplexing (OFDM) system in the presenee of sparse underwater aeoustic ehannels and of the cOITelative non-Gaussian noise, The algorithm is based on the eombinations of the matching pursuit (MP) and the spaee- alternating generalized expectation-lnaxiInization (SAGE) teehnique, to impl'ove the estimates of the ehannel taps and their loeation as weil as the Gaussian mb.."ture noise distribution paramete..s in an itel'ative way, Computer simulations show that underwater aeoustie ehannel is estimated very effectively and the proposed algorithm has exeellent symbol error rate (SER) and ehannel estimation performance, as eompared to the existing ones,. © 2013 IEEE.
Description
2013 21st Signal Processing and Communications Applications Conference, SIU 2013 --24 April 2013 through 26 April 2013 --Haspolat --98109
Keywords
AF-OFDM, Gaussian mixture model, MP-SAGE, Underwater acoustic channel estimation, AF-OFDM, Amplify-and-forward, Estimation algorithm, Estimation performance, Gaussian Mixture Model, MP-SAGE, Symbol error rate (SER), Underwater acoustic channels, Algorithms, Computer simulation, Estimation, Signal processing, Telecommunication systems, Orthogonal frequency division multiplexing, Symbol error rate (SER), Underwater acoustic channels, Signal processing, Orthogonal frequency division multiplexing, Amplify-and-forward, AF-OFDM, Telecommunication systems, Estimation performance, Computer simulation, Underwater acoustic channel estimation, Gaussian Mixture Model, Gaussian mixture model, Estimation algorithm, MP-SAGE, Estimation, Algorithms
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02 engineering and technology, 0202 electrical engineering, electronic engineering, information engineering
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2013 21st Signal Processing and Communications Applications Conference, SIU 2013
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