NDLI: Relation between Discrete Points of DRTM and Diffraction Points

Content Provider	IEEE Xplore Digital Library
Author	Takematsu, M. Uchida, K. Honda, J.
Copyright Year	2012
Abstract	The field estimation is significantly important to design high performance radio communication network links such as mobile communication network system, digital TV broadcasting system, fire and disaster prevention wireless system and so on. We have developed and proposed discrete ray tracing method (DRTM) that enables us to estimate propagation characteristics along land surface structure. However the method still requires a certain time to compute field intensities in case of long path. We have studied to shorten computation time and to save computer memory by considering the discretization rate of the terrain surface with equal interval size of linear piece wise strips. We have realized that intense sampling points are needed at the edge point like a mountain summit to estimate the field intensities in shadow areas following the summit. In this paper, we consider the discretization rate at the mountain summit by checking accuracy of numerical results of electromagnetic (EM) wave analysis by DRTM compared with rigorous solutions given by the Bessel and Hankel functions.
Starting Page	482
Ending Page	487
File Size	1424981
Page Count	6
File Format	PDF
ISBN	9781467329729
DOI	10.1109/BWCCA.2012.86
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Discrete ray tracing method Scattering Image diffraction Numerical accuracy Broadband communication Source diffraction
Content Type	Text
Resource Type	Article

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