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학술지 Iterative Channel Estimation and LDPC Decoding With Encoded Pilots
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저자
오미경, 권혁문, 박동조, 이용훈
발행일
200801
출처
IEEE Transactions on Vehicular Technology, v.57 no.1, pp.273-285
ISSN
0018-9545
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TVT.2007.901953
협약과제
07MH1300, 홈네트워크용 Cognitive 무선 시스템 개발, 김재영
초록
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 제안 키워드
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