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Multipath Fading Channel Characterization and Performances of Forward Error Correction Codes in Very Shallow Water
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 Title & Authors
Multipath Fading Channel Characterization and Performances of Forward Error Correction Codes in Very Shallow Water
Bae, Minja; Xue, Dandan; Park, Jihyun; Yoon, Jong Rak;
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In very shallow water acoustic communication channel, underwater acoustic (UWA) communication signal is observed as frequency selective fading signal due to time-varying multipath. This induces a time and frequency dependent inter-symbol-interference (ISI) and degrades the UWA system performance. There is no study about how the performances of the error correction codes are related to a multipath fading statistics in very shallow water. In this study, the characteristics of very shallow water multipath fading channel is analyzed and the performances of two different forward error correction (FEC) codes are compared. The convolution code (CC) and Reed-Solomon (RS) code are adopted. Sea experimental results show that RS code is better choice than CC in frequency selective channel with fading.
Multipath channel;Fading;Underwater acoustic communication;Forward error correction code;Frequency selectivity;Temporal coherence;
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주파수 종속 다중경로 페이딩이 비코히어런트 수중통신시스템에 미치는 영향,김종주;박지현;배민자;박규칠;윤종락;

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