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http://dx.doi.org/10.6109/jkiice.2010.14.10.2207

Bit Split Method for Efficient Channel Estimation in UWA Channel  

Kim, Min-Hyuk (한국해양대학교)
Park, Tae-Doo (한국해양대학교)
Kim, Chul-Seung (한국해양대학교)
Jung, Ji-Won (한국해양대학교)
Yong, Chun-Seung (국방과학연구소)
Sohn, Kwon (국방과학연구소)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.14, no.10, 2010 , pp. 2207-2214 More about this Journal
Abstract
Underwater acoustic(UWA) communication has multipath error because of reflection by sea-level and sea-bottom. The multipath of UWA channel causes signal distortion and error floor. In this paper, we proposed split input bits of channel decoder using method of maximum value, average value, LLR value for optimal estimation. Channel coding method is LDPC(N size=16000) standard in DVB-S2. As shown in simulation results, the performance of LLR value method is better than other methods.
Keywords
Underwater acoustic(UWA) communication; LDPC code; Multipath; LLR;
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