2015 IEEE International Conference on Cyber Technology in Automation, Control, and Intelligent Systems (CYBER) 2015
DOI: 10.1109/cyber.2015.7288125
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Non-line-of-sight scattering channel modeling for underwater optical wireless communication

Abstract: The characteristics of the non-line-of-sight (NLOS) scattering channel for underwater optical wireless communication in the optical transmission window (wavelength of 400nm-600nm) are studied. The channel is modeled by the Monte-Carlo ray tracing technique. The impulse response and path loss at different wavelengths in variable water conditions are analyzed in detail. Index Terms-Underwater optical wireless communication, NLOS scattering, Monte-Carlo ray tracing.978-1-4799-8730-6/15/$31.00

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Cited by 30 publications
(14 citation statements)
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“…By contrast, NLOS UWOC [83], a modality that relieves the strict PAT requirements, promises robust data-transfer links in the absence of perfect alignment. An NLOS UWOC system relies on either reflection from the water surface [84] or light scattering [85] from molecules and particles in the water (e.g., plankton, particulates, and inorganics). Compared with reflection-based NLOS, that based on scattering is more robust because it avoids the possibility of signal fading from the wavy surface.…”
Section: Non-line-of-sight Underwater Wireless Optical Communicamentioning
confidence: 99%
See 1 more Smart Citation
“…By contrast, NLOS UWOC [83], a modality that relieves the strict PAT requirements, promises robust data-transfer links in the absence of perfect alignment. An NLOS UWOC system relies on either reflection from the water surface [84] or light scattering [85] from molecules and particles in the water (e.g., plankton, particulates, and inorganics). Compared with reflection-based NLOS, that based on scattering is more robust because it avoids the possibility of signal fading from the wavy surface.…”
Section: Non-line-of-sight Underwater Wireless Optical Communicamentioning
confidence: 99%
“…Monte Carlo simulations [87] and the Henyey-Greenstein (HG) phase function [88] were used to develop models describing the transmitted photons' trajectory. The impulse response [85], BER performance [89], and the effects of channel geometry on path loss [83], [90] have also been predicted based on theoretical simulations. Herein, for the first time, we experimentally demonstrated a high-speed blue-laser-based NLOS UWOC system in a diving pool.…”
Section: Non-line-of-sight Underwater Wireless Optical Communicamentioning
confidence: 99%
“…Such studies are important for laser-based UWOC systems to address issues related to the PAT requirements. Diffuse-LOS and NLOS UWOC links can be established either through light reflection from the water surface [93] or light scattering [94] from the molecules in the water. Therefore, short-wavelength, including UV light emitters are typically favorable to be utilized in NLOS UWOC owning to the high scattering coefficients in this range of wavelength.…”
Section: When To Consider Short Wavelength Lasersmentioning
confidence: 99%
“…Both of these scenarios will lead to scintillation, deep-fading, or complete loss of signals. To this end, non-line-of-sight (NLOS) communication can be implemented to mitigate the abovementioned issues, which can be implemented either through light reflection from the water surface [16] or light scattering [17] from the molecules in the water. A diffusedreflection NLOS communication can also be implemented; for example in [18], which reported a 500 kbps, 6.6 m link.…”
Section: Introductionmentioning
confidence: 99%
“…It is affected not only by the channel geometries but also the water turbidity, transmission power, and wavelength utilized in the data transmission channel. It is noted that in the literature merely reports on simulation works, for instance those based on Monte Carlo method [19] and Henyey-Greenstein (HG) phase function [3], including impulse response [17,20], bit-error rate (BER) performance predictions [17,21] as well as the effect of channel geometries on path loss [22]. Experimental data is much needed to guide the experimental design of eventual long-distance NLOS transmission.…”
Section: Introductionmentioning
confidence: 99%