scholarly journals Signal Path Loss Simulation of Human Arm for Galvanic Coupling Intra-body Communication

2016 ◽  
Vol 3 (1) ◽  
pp. 29-46 ◽  
Author(s):  
Kenichi Ito ◽  
Yu Hotta
Keyword(s):  
Path Loss ◽  
Galvanic Coupling ◽  
Human Arm ◽  
Signal Path

A 2D Ray Tracing Method Based on the Virtual Source Tree in Urban Environment

2011 ◽  
Vol 403-408 ◽  
pp. 1466-1470
Author(s):  
Zhong Yu Liu ◽  
Li Xin Guo ◽  
Xiao Yu Ding
Keyword(s):  
Urban Environment ◽  
Path Loss ◽  
Virtual Source ◽  
Source Tree ◽  
Uniform Theory Of Diffraction ◽  
Complex Propagation ◽  
Signal Path ◽  
Point To Point ◽  
Tracing Method ◽  
Good Agreement

In this paper, a new RT method for the calculation of radio coverage in urban environment using a virtual source tree, which is based on the numerical simulation of geometrical optics (GO) and the uniform theory of diffraction (UTD) and can solve some of the problems that other RT methods have, is presented. It is developed for two-dimensional (2-D) environments and can be applied to any complex propagation environment. It is fundamentally a point-to-point tracing method, so reception tests are not required and it guarantees high accuracy. To validate our RT method, signal path loss was calculated, and it was also compared with the published measurements. The results of the proposed method in this paper show good agreement with the measurements.

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