A novel propagation modeling for microcellular communications in urban environments

Author

Jan, Shiun-Chi ; Jeng, Shyh-Kang

Author_Institution

Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan

Volume

46

Issue

4

fYear

1997

fDate

11/1/1997 12:00:00 AM

Firstpage

1021

Lastpage

1026

Abstract

A novel method for microcellular communications to predict propagation characteristics is presented in this paper. It takes into account multiple reflections among walls, ground, vehicles, as well as the transmission/reflection due to groups of trees. Although these are three-dimensional (3-D) problems, we can combine two-dimensional (2-D) ray tracing and simple 3-D geometric considerations to solve them in a very efficient way. We have investigated the propagation loss versus size, number, and locations of vehicles and groups of trees on a safe island. Our results show that the radio wave propagation exhibits severe fast fading, attenuation, and blockage due to reflection, transmission, and shadowing, respectively

Keywords

UHF radio propagation; cellular radio; electromagnetic wave reflection; fading; land mobile radio; ray tracing; 0.9 to 1.8 GHz; 2D ray tracing; 3D geometric considerations; attenuation; blockage; fast fading; ground; microcellular communications; multiple reflections; propagation loss; propagation modeling; radio wave propagation; shadowing; transmission; trees; urban environments; vehicles; walls; Attenuation; Fading; Land vehicles; Propagation losses; Ray tracing; Reflection; Road vehicles; Shadow mapping; Two dimensional displays; Vehicle safety;

fLanguage

English

Journal_Title

Vehicular Technology, IEEE Transactions on

Publisher

ieee

ISSN

0018-9545

Type

jour

DOI

10.1109/25.653075

Filename

653075