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http://dx.doi.org/10.7840/kics.2016.41.3.365

Performance Improvement of FMT-OFDM System in Underwater Channel Environment  

Kim, Min-sang (Department of Oceanic IT Convergency Technology Research Center, Hoseo University)
Ko, Hak-lim (Department of Information and Communication Engineering, Hoseo University)
Kim, Seung-geun (Korea Research Institute of Ships and Ocean Eng.(KRISO))
Cho, Dea-young (San Eng.)
Im, Tae-ho (Department of Oceanic IT Convergency Technology Research Center, Hoseo University)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.41, no.3, 2016 , pp. 365-370 More about this Journal
Abstract
Recently, There are increasing number of studies that apply multi-carrier method, a land mobile communication method, to underwater channel environment in order to enhance the performance of underwater communication. Therefore, in this paper, in order to design a new system with improved communication performance compared to the multi-carrier method in underwater communication, we present that the RS(Resource Spreading) FMT-OFDM system has a diversity and repetition effect from resource spreading. Moreover, we verify the performance of RS FMT-OFDM system and existing FMT-OFDM system through simulations after modeling communication channels and setting the system parameter based on the data measured from the real sea. Our result indicate that, compared to the existing FMT-OFDM system, there has been an improvement in communication performance by 12dB based on BER $10^{-3}$ we also discovered that communication performance improves as the resource spreading rate increases.
Keywords
FMT-OFDM; FMT; OFDM; Underwater Communication;
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Times Cited By KSCI : 3  (Citation Analysis)
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