Propagation Channel Modeling for Transient Communication: An Antenna-Dependent Perspective

2018 ◽  
Vol 66 (11) ◽  
pp. 6225-6232
Author(s):  
Yifan Chen ◽  
Qingfeng Zhang ◽  
Rui Wang ◽  
Putri Santi Anwar ◽  
Limin Huang ◽  
...  
Keyword(s):  
Channel Modeling ◽  
Propagation Channel

Brief review on PE method application to propagation channel modeling in sea environment

2012 ◽  
Vol 2 (1) ◽  
Author(s):  
Irina Sirkova
Keyword(s):  
Wave Propagation ◽  
Fourier Transform ◽  
Parabolic Equation ◽  
Initial Conditions ◽  
Channel Modeling ◽  
Radio Propagation ◽  
Propagation Channel ◽  
Tropospheric Propagation ◽  
Propagation Modeling ◽  
Wave Propagation Modeling

AbstractThis work provides an introduction to one of the most widely used advanced methods for wave propagation modeling, the Parabolic Equation (PE) method, with emphasis on its application to tropospheric radio propagation in coastal and maritime regions. The assumptions of the derivation, the advantages and drawbacks of the PE, the numerical methods for solving it, and the boundary and initial conditions for its application to the tropospheric propagation problem are briefly discussed. More details are given for the split-step Fourier-transform (SSF) solution of the PE. The environmental input to the PE, the methods for tropospheric refractivity profiling, their accuracy, limitations, and the average refractivity modeling are also summarized. The reported results illustrate the application of finite element (FE) based and SSF-based solutions of the PE for one of the most difficult to treat propagation mechanisms, yet of great significance for the performance of radars and communications links working in coastal and maritime zones — the tropospheric ducting mechanism. Recent achievements, some unresolved issues and ongoing developments related to further improvements of the PE method application to the propagation channel modeling in sea environment are highlighted.

Microwave Propagation Channel Modeling in a Vehicle Engine Compartment

2016 ◽  
Vol 65 (9) ◽  
pp. 6831-6841 ◽  
Author(s):  
Hirokazu Kamoda ◽  
Shoichi Kitazawa ◽  
Naoya Kukutsu ◽  
Kiyoshi Kobayashi ◽  
Tomoaki Kumagai
Keyword(s):  
Channel Modeling ◽  
Engine Compartment ◽  
Propagation Channel ◽  
Microwave Propagation ◽  
Vehicle Engine

scholarly journals Directional propagation channel estimation and analysis in urban environment with panoramic photography

2012 ◽  
Vol 4 (1) ◽  
pp. 3-13 ◽  
Author(s):  
Jean-Marc Conrat ◽  
Patrice Pajusco
Keyword(s):  
Channel Estimation ◽  
Urban Environment ◽  
Noise Level ◽  
Three Dimensional ◽  
Direction Of Arrival ◽  
Channel Modeling ◽  
Propagation Channel ◽  
Physical Understanding ◽  
Electro Magnetic ◽  
Magnetic Waves

This article aims to provide readers with a physical understanding of the propagation channel that is complementary to mathematical channel modeling. It presents an analysis of the directional propagation channel based on radiophotos. Radiophotos are graphical objects where directions of arrival are superimposed on three-dimensional (3D) panoramic photographs. The interaction between electro magnetic waves and the environment is immediately identified with these representations. This paper focuses on the direction of arrival at mobile in an urban macrocell environment. The first radiophoto collection illustrates the major propagation phenomena such as reflection, diffraction, or street canyoning. The second collection illustrates typical propagation channel profiles that are classified according to delay, azimuth, and elevation spread values. The paper also describes an original panorama-based method for estimating noise level in the azimuth–elevation domain.

Propagation channel modeling for transient communication

2016 ◽  
Author(s):  
Yifan Chen ◽  
Qingfeng Zhang ◽  
Rui Wang ◽  
Putri Santi Anwar ◽  
Limin Huang
Keyword(s):  
Channel Modeling ◽  
Propagation Channel
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