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Terrestrial Land Mobile Radiowave Propagation in the VHF/UHF Bands

Handbook

image of Terrestrial Land Mobile Radiowave Propagation in the VHF/UHF Bands

This ITU-R Handbook gives the technical basis for predicting the radio propagation in point-to-point, point-to-area, and point-to-multipoint mobile networks.

English

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Modelling techniques for propagation prediction

Chapter 4 describes several techniques and actual models that are used to predict propagation of radiowaves. The first section (4.1) addresses the use of generalized empirical “point-to-area” models, sometimes also correctly referred to as “site-general” models. These models require only general information about the area (such as terrain roughness) in which the radiowaves propagate and do not consider characteristics of specific propagation paths. The method to extend the scope of application of empirical model by means of tuning (optimal parameter selection) is also presented.

English

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