Current Optics and Photonics

  • 제6권1호
  • /
  • Pages.39-43
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  • 2022
  • /
  • 2508-7266(pISSN)
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  • 2508-7274(eISSN)
한국광학회 (Optical Society of Korea)
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Performance Evaluation of Underwater Optical Wireless Communication Depending on the Modulation Scheme

  • Jeong, Gabin (Department of Electronic Engineering, Kyungsung University) ;
  • Kim, Sung-Man (Department of Electronic Engineering, Kyungsung University)
  • 투고 : 2021.10.22
  • 심사 : 2021.12.30
  • 발행 : 2022.02.25
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초록

Underwater optical wireless communication (UOWC) is a good candidate for high-speed underwater wireless communication. In this work, we compare the performance of several modulation techniques for a UOWC system consisting of a light-emitting diode (LED) with an operating wavelength of 405 nm and a Si avalanche photodiode (APD). In this work, we consider six modulation schemes: 4-quadrature amplitude modulation (QAM), 8-QAM, quadrature phase shift keying (QPSK), binary phase shift keying (BPSK), on-off keying (OOK), and 4-pulse amplitude modulation (PAM). We also consider the cases of pure water and seawater for the working conditions. Our results show that 4-QAM and 8-QAM perform the best, in terms of communication distance and transmission power efficiency, for all water types considered.

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과제정보

National Research Foundation of Korea (NRF) grant, funded by the Korean government (Ministry of Education) (No. NRF-2021R1I1A3047031); National Research Foundation of Korea (NRF) grant, funded by the Korean government (MSIT) (No. NRF-2019R1F1A1045956).

참고문헌

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