[MH2] Underwater Transmission

2:15 PM - 2:30 PM JST(5:15 AM - 5:30 AM UTC)

[MH2-2] Redundant-Bit-Free Error Correction Utilizing Short-Term Correlation in Oversampled Waveform in Underwater Optical Wireless Communications

○Masanori Hanawa¹, Taishu Takatsuki¹, Ekkaphol Khansalee¹, Md. Khaled Hasan¹, Xinyu Wang¹ (1.University of Yamanashi)

Keywords:

Free-space optical transmission,Transmission impairments and their mitigations,Digital signal processing,advanced modulation,coding and multiplexing

A redundant-bit-free bit error correction, utilizing short-term correlation in received samples through 2× oversampling, is proposed. Experiments achieved 1.2 dB decoding gain for OOK in underwater optical wireless transmission by error correction without additional redundant bits.