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Journal Article Iterative Channel Estimation and LDPC Decoding With Encoded Pilots
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Authors
Mi-Kyung Oh, Hyuck M. Kwon, Dong-Jo Park, Yong Hoon Lee
Issue Date
2008-01
Citation
IEEE Transactions on Vehicular Technology, v.57, no.1, pp.273-285
ISSN
0018-9545
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/TVT.2007.901953
Project Code
07MH1300, Development of Cognitive Wireless Home Networking System, Kim Jae Young
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.
KSP Keywords
Channel estimation(CE), Frequency Selective Fading Channels, Iterative Receiver, Iterative channel estimation, LDPC decoding, Low Density Parity Check(LDPC), Orthogonal frequency division Multiplexing(OFDM), Parity check codes, Theoretical Analysis, pilot system, simulation results