Iterative channel estimation and LDPC decoding with encoded pilots
Oh, Mi-kyung Kwon, Hyuck M. Park, Dongjo Lee, Yong H.
Oh, Mi-kyung
Kwon, Hyuck M.
Park, Dongjo
Lee, Yong H.
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Authors
Oh, Mi-kyung
Kwon, Hyuck M.
Park, Dongjo
Lee, Yong H.
Kwon, Hyuck M.
Park, Dongjo
Lee, Yong H.
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2008-01-31
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Article
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Keywords
Channel estimation,Encoded Pilot (ep),Iterative Receiver,Low-density Parity-check (ldpc),Orthogonal Frequencydivision Multiplexing (ofdm),Communication Channels (information Theory),Computer Simulation,Decoding,Encoding (symbols),Iterative Methods,Orthogonal Frequency Division Multiplexing,Encoded Pilot,Iterative Receiver,Low-density Parity-check Code
Subjects (LCSH)
Citation
M. -K. Oh, H. M. Kwon, D. -J. Park and Y. H. Lee, "Iterative Channel Estimation and LDPC Decoding With Encoded Pilots," in IEEE Transactions on Vehicular Technology, vol. 57, no. 1, pp. 273-285, Jan. 2008, doi: 10.1109/TVT.2007.901953
Abstract
This paper proposes to encode pilot bits together with information bits by using a systematic encoder and applying them to an iterative receiver, where channel estimation and decoding are iteratively performed. This paper then shows why and how the encoded pilot bits can give a positive gain over a conventional uncoded pilot system. Specifically, this paper considers an orthogonal frequency-division multiplexing system that is encoded by a low-density parity-check code under a frequency-selective fading channel and shows theoretical analysis as well as simulation results. © 2008 IEEE. © 2008 Elsevier B.V., All rights reserved.
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This is an open access article under the CC by license.
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IEEE
Journal
IEEE Transactions on Vehicular Technology
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00189545; 19399359