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Bit Error Parameters on Passive Phase Conjugation Underwater Acoustic Communication  

Yoon, Jong-Rak (부경대학교 전자컴퓨터정보통신공학부)
Park, Moon-Kab (한국해양수산연수원)
Ro, Yong-Ju (지피에스코리아)
Publication Information
The Journal of the Acoustical Society of Korea / v.24, no.8, 2005 , pp. 454-461 More about this Journal
Abstract
Time spread due to the multipath in underwater acoustic channel, induces ISI (Inter-Symbol Interference) which degrades the performance of the underwater acoustic communication system. The passive phase conjugation (PPC) which improves the signal to multipath interference ratio (SMR) and therefore reduces the frequency selectivity. is a diversity communication technique giving a less ISI under multipath fading channel. Its frequency selectivity depends on the number of receiver array sensors and time varying source to receiver range. In this study, frequency selectivity of the PPC and its effects on bit error of underwater acoustic communication is analyzed by numerical simulation.
Keywords
Passive phase conjugation; Underwater acoustic communication; ISI; Multipath fading; Frequency selectivity;
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