Performance Analysis of OFDM-Based Underwater Communication Systems for Time-Varying Underwater Channel in Western Sea of Korea 


Vol. 43,  No. 10, pp. 1654-1663, Oct.  2018
10.7840/kics.2018.43.10.1654


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  Abstract

Recently, OFDM-based underwater acoustic communication systems have been actively studied for high-speed data transmission in underwater acoustic communications. The underwater channel has severe selectivity in terms of time and frequency due to various environmental factors such as scattering of sea surface and movement of ocean current. In this paper, we investigate the performance of underwater acoustic (UWA) OFDM system for time-varying underwater channels based on sea experiment over 24 hours. It is verified by the experimental analysis that the performance of the UWA OFDM system is affected mainly by the time and frequency selectivity of the channel. Especially, the underwater channel with the delay spread exceeding the length of a cyclic prefix induces considerable degradation in performance of the UWA OFDM system.

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  Cite this article

[IEEE Style]

Y. Cho, T. Lee, H. Ko, "Performance Analysis of OFDM-Based Underwater Communication Systems for Time-Varying Underwater Channel in Western Sea of Korea," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 10, pp. 1654-1663, 2018. DOI: 10.7840/kics.2018.43.10.1654.

[ACM Style]

Yong-Ho Cho, Tae-Seok Lee, and Hak-Lim Ko. 2018. Performance Analysis of OFDM-Based Underwater Communication Systems for Time-Varying Underwater Channel in Western Sea of Korea. The Journal of Korean Institute of Communications and Information Sciences, 43, 10, (2018), 1654-1663. DOI: 10.7840/kics.2018.43.10.1654.

[KICS Style]

Yong-Ho Cho, Tae-Seok Lee, Hak-Lim Ko, "Performance Analysis of OFDM-Based Underwater Communication Systems for Time-Varying Underwater Channel in Western Sea of Korea," The Journal of Korean Institute of Communications and Information Sciences, vol. 43, no. 10, pp. 1654-1663, 10. 2018. (https://doi.org/10.7840/kics.2018.43.10.1654)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880