Proceedings of the Korean Institute of Information and Commucation Sciences Conference (한국정보통신학회:학술대회논문집)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Underwater Acoustic Communication Research using Blind Channel identification

블라인드 채널추정기법(Blind Channel Identification)을 이용한 수중통신 연구

  • Kim, Kap-Su (Korea University of Science and Technology) ;
  • Cho, A-Ra (Korea University of Science and Technology) ;
  • Choi, Young-Chol (Maritime and Ocean Engineering Research Institute(MOERI)/KORDI) ;
  • Lim, Yong-Kon (Maritime and Ocean Engineering Research Institute(MOERI)/KORDI)
  • 김갑수 (과학기술 연합대학원 대학교, 수중음향통신공학과) ;
  • 조아라 (과학기술 연합대학원 대학교, 수중음향통신공학과) ;
  • 최영철 (한국해양연구원 해양시스템안전연구소) ;
  • 임용곤 (한국해양연구원 해양시스템안전연구소)
  • Published : 2007.10.26
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Abstract

Due to the complexity of underwater acoustic channel, signal estimation in underwater acoustic communication field is considerably affected from time-varying multipath fading channels. On this reason, the original signals should have many long training signals to estimate the channel and the purposed signals, and the bit rate of signals having information may have small rate. In order to avoid this loss of efficiency in underwater communication, this paper employed a blind channel identification method which don't use training signals. Simulations have predicted performance of the employed method in multipath environment and an aquatic plant experiment has verified the simulation results.

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