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http://dx.doi.org/10.5573/ieie.2017.54.6.140

Performance Analysis of a Trellis coded 4-CPFSK over an Statistical Underwater Acoustic Channel  

Kang, Hee-hoon (Department of Electronics, Yeoju Institute of Tech.)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.54, no.6, 2017 , pp. 140-145 More about this Journal
Abstract
A channel is very sever in an underwater acoustic communication. Therefore, a modulation method with high spectrum efficiency is needed in an underwater acoustic communication. PSK(phase shift keying) for transmitting 1 bit or 2 bits is robust to noise, but sensitive to noise about more than 3 bits. CPFSK error performance for transmitting 1 bit or 2 bits is similar to that of PSK and CPFSK decreases high frequency components in modulation signal. In the paper, I analyze the performance of trellis coded 4-CPFSK modulation.
Keywords
TCM(Trellis Coded Modulation); UWAC(UnderWater Acoustic Channel); PSK(Phase Shift Keying); CPFSK(Continuous Phase Frequency Shift Keying); Bellhop Ray Tracing;
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