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http://dx.doi.org/10.6109/jkiice.2016.20.5.887

Rake Receiver Based on Bit Error Rate of Training Sequence Duration for Underwater Acoustic Communication  

Son, Ji-hong (Department of Radio Communication Engineering, Korea Maritime and Ocean University)
Kim, Ki-man (Department of Radio Communication Engineering, Korea Maritime and Ocean University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.20, no.5, 2016 , pp. 887-894 More about this Journal
Abstract
In the underwater acoustic communication channels, a multipath reflection becomes the cause of obstacle. To solve this problem, a rake receiver has been required for which one could take the time diversity. However, there is a concern about using incorrect path to recover signals with a high weighting value as underwater acoustic communication channels have severe time-variant property. In order to prevent these problem, a rake receiver is proposed which is based on BER(bit error rate) train sequence duration. The performance is evaluated through lake trials; there are three methods that are a proposed rake receiver, a conventional rake receiver, and a non-rake receiver. As a result, the number of bit errors in the proposed rake receiver, that of bit errors in the conventional rake receiver, and that of bit errors in the non-rake receiver is 8, 45, and 72, respectively.
Keywords
Rake Receiver; Underwater Acoustic Communication; Bit Error Rate; Lake Trial;
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