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Parallelization of a Monte Carlo Ray Tracing Algorithm for Channel Modelling in Underwater Wireless Optical Communications

V. Guerra, C. Quintana, J. Rufo, J. Rabadan, R. Perez-Jimenez
Institute for Technological Development and Innovation in Communications (IDeTIC), Parque Cientifico Tecnologico, Edificio Polivalente II, 2a Planta, University of Las Palmas de Gran Canaria, Las Palmas 35017, Spain
Procedia Technology, Volume 7, Pages 11-19, 2013

@article{Guerra201311,

   title={Parallelization of a Monte Carlo Ray Tracing Algorithm for Channel Modelling in Underwater Wireless Optical Communications},

   journal={Procedia Technology},

   volume={7},

   number={0},

   pages={11 – 19},

   year={2013},

   note={3rd Iberoamerican Conference on Electronics Engineering and Computer Science, (CIIECC) 2013},

   issn={2212-0173},

   doi={http://dx.doi.org/10.1016/j.protcy.2013.04.002},

   url={http://www.sciencedirect.com/science/article/pii/S2212017313000030},

   author={V. Guerra and C. Quintana and J. Rufo and J. Rabadan and R. Perez-Jimenez},

   keywords={OpenMP}

}

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In this paper, an algorithm to calculate the underwater wireless optical impulse response is presented. It is based on a modified Monte Carlo Ray Tracing algorithm and takes into account the most significant phenomena of the underwater channel. In order to reduce the simulation time, two parallelization schemes are proposed, one based on a multiprocessor architecture and other based on the use of GPU (Graphics Processing Unit). Several simulation results are presented, including scenario channel simulations and calculation of time computation complexity for each algorithm implementation.
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