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Use of Geospatial Resources for Radio Propagation Prediction in Urban Areas

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3 Author(s)
Zhengqing Yun ; Univ. of Hawaii at Manoa, Honolulu, HI, USA ; Soo Yong Lim ; Iskander, M.F.

A method for extracting the three-dimensional (3D) building structures using their single-view images available on the Internet/cyberspace is described. Height measurement technique is combined with two-dimensional (2D) projective transformation to obtain the 3D building information. It is shown that the reconstruction method is accurate for path-loss calculations using ray-tracing algorithms. Simulated path losses/gains are compared to results in literature, and good agreement is observed. The effect of building footprint and height inaccuracies on path-loss calculations is also examined and is found to result in errors within the common error range between experimental measurements and ray-tracing predictions.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:8 )