NDLI: Analysis of ITU-R VHF/UHF propagation prediction methods performance on irregular terrains covered by forest

Content Provider	IET Digital Library
Author	Costa, Felipe Macedo da Ramirez, Luis Alberto Rabanal Dias, Maurício Henrique Costa
Abstract	In the scope of very high-frequency (VHF) and ultra high-frequency (UHF) terrestrial communication or broadcasting systems planning, the use of point-to-area propagation prediction methods is expected. The benchmarking of such models on different scenarios is very helpful to assist the system planner in choosing those most suited to the site in hands. In this sense, this study provides a comparative performance analysis of the International Telecommunication Union radio communication sector (ITU-R) recommendations P.526, P.1546, and P.1812 and a few other models on a site marked by the presence of irregular terrain covered by forest. A set of measurements at 563 MHz at different spots in Rio de Janeiro city with such features was taken as reference. The best prediction performance was achieved by the P.526 and P.1812 methods, in addition to a wedge diffraction model, with path loss mean errors between −5 and 3 dB, and standard deviations between 8.7 and 9.2 dB. Such results were observed when the presence of the forest layer was incorporated adding a representative clutter height.
Starting Page	1450
Ending Page	1455
Page Count	6
ISSN	17518725
Volume Number	12
e-ISSN	17518733
Issue Number	Issue 8, Jul (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/12/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2017.0992
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2018-02-05
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Broadcasting System Planning Forest Forest Layer Frequency 563 MHz International Telecommunication Union Radio Communication Sector Irregular Terrains ITU-R Recommendation ITU-R VHF-UHF Propagation Prediction Method P.1812 Method P.526 Method Path Loss Mean Error Point-to-area Propagation Prediction Method Radio Wave Propagation Representative Clutter Height Rio De Janeiro City UHF Radio Propagation Ultrahigh-frequency Terrestrial Communication Very High-frequency Terrestrial Communication VHF Radio Propagation Wedge Diffraction Model
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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