The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)
- Volume 42 Issue 5
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- Pages.967-974
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- 2017
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- 1226-4717(pISSN)
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- 2287-3880(eISSN)
DOI QR Code
ISI Estimation Using Iterative MAP for Faster-Than-Nyquist Transmission
나이퀴스트 율보다 빠른 전송 시스템에서 반복 MAP을 이용한 ISI 추정 기법
- Kang, Donghoon (Dept. of Information Communications Eng., Chungnam National University) ;
- Kim, Haeun (Dept. of Information Communications Eng., Chungnam National University) ;
- Park, Kyeongwon (Dept. of Information Communications Eng., Chungnam National University) ;
- Lee, Arim (Dept. of Information Communications Eng., Chungnam National University) ;
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Oh, Wangrok
(Dept. of Information Communications Eng., Chungnam National University)
- Received : 2017.03.25
- Accepted : 2017.04.28
- Published : 2017.05.31
Abstract
In this paper, we propose an inter-symbol interference (ISI) estimation scheme based on the maximum a posteriori (MAP) algorithm for faster-than-Nyquist (FTN) systems. Unfortunately, the ISI estimator based on the MAP algorithm requires relatively high computational complexity. To reduce the complexity of the MAP based ISI estimator, we propose a hybrid ISI estimation scheme based on the MAP and successive interference cancellation (SIC) algorithms. The proposed scheme not only offers good ISI estimation performances but also requires reasonably low complexity.
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Acknowledgement
Supported by : 충남대학교
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