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Speed-Up Techniques for Ray Tracing Field Prediction Models

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4 Author(s)
Degli-Esposti, V. ; Dipt. di Elettron., Inf. e Sist., Univ. di Bologna, Bologna ; Fuschini, F. ; Vitucci, E.M. ; Falciasecca, G.

Despite their good performance, the widespread diffusion of ray tracing field-prediction models is still limited due to their high complexity and high computation time. In this paper, two different classes of methods for speeding up ray tracing urban field prediction are proposed, aimed at reducing the size of the input database and the number of rays to be handled by the algorithm. With the proposed techniques, a great computation time reduction can be achieved without sensibly affecting the accuracy of the prediction.

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Antennas and Propagation, IEEE Transactions on  (Volume:57 ,  Issue: 5 )