IEEE/ICACT20220386 Slide.02        [Big Slide]       Oral Presentation
The first question is why we consider NOMA and cooperative relay as the technology directions of UOWC. The answer is that Non-orthogonal multiple access (NOMA) is a promising technique to improve the spectral efficiency and more important is NOMA has proved its effectiveness in terrestrial communication systems. Meanwhile, cooperative relay can improve transmission reliability which is an effective complement to NOMA technology.

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