Yunfeng Tang, Enxiao Liu, Chen Tao, Jianjun Yang, Jianpo Liu, Lei Zhang, Wenji Zhang, Haiyong Wang
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Research Progress and Prospect of Ultraviolet Communication
Ultraviolet (UV) wireless is very suitable for local area Non-line of sight(NLOS) dedicated covert communication. Overcoming the path loss and delay spread from NLOS channel is a critical mission for the UV NLOS transmitter. In the first part of this paper, the main recent short distance line of sight (LOS) and long distance NLOS UV communication transmitters are reviewed. Next, “UV NLOS acquisition tracking pointing (ATP)” is introduced. Then, “UV high speed modulation technology”, “high-power UV source” and etc. are analyzed and summarized. The prospect of “High repetition rate high power UV pulse modulation” and “High power sub-millisecond UV pulse OFDM modulation” is put forward in the end.
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