Weihui Dai, Qiurong Yan, Ming Wang, Cheng Yang. Establishment and Simulation of Underwater Photon Spatio-Temporal Random Channel Model[J]. Laser & Optoelectronics Progress, 2021, 58(17): 1706006
- Laser & Optoelectronics Progress
- Vol. 58, Issue 17, 1706006 (2021)
Fig. 1. Underwater single-photon communication system
Fig. 2. Data demodulation process based on photon counting in time slot
Fig. 3. Diagram of photon trajectory
Fig. 4. Photon statistical distributions in different distance planes. (a) Transmitter lens plane; (b) channel entry plane; (c) plane at 2 m of underwater channel;(d) plane at 5 m of underwater channel; (e) plane at 10 m of underwater channel; (f) receiver lens plane
Fig. 5. Received intensity versus distance. (a) Different water types; (b) different launching angles and different water types; (c) different received apertures and different water types; (d) different FOV and different water types
Fig. 6. Channel impulse response under different channel parameters.（a）Different launching angles in clear water；（b）different received apertures in clear water
Fig. 7. Relationship between channel parameters and BER. (a) Influence of distance on BER; (b) influence of received aperture on BER; (c) influence of launching angle on BER
Fig. 8. Relationship between distance and BER under different noise factors
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Table 1. Scattering, absorption, and attenuation coefficients of different types of water
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