Multipath characteristics at UHF in rural irregular terrain
Abstract
Extensive measurements were carried out in order to get a better knowledge concerning multipath characteristics in rural irregular terrain. These measurements were then used in a comparison with two different theoretical models, which were developed to find out the behavior of multipath propagation in different kinds of terrain. In a deterministic theoretical model, the field strength of a delayed wave component was calculated, assuming a given vertical reflection obstacle oriented for optimum reflection. From this model, the effects on multipath propagation by changing polarization, frequency or antenna height, may be assessed. By means of a Monte Carlo technique this deterministic model together with a statistical description of terrain characteristics were utilized to create a stochastic model. It was used for risk analysis of multipath propagation effects in different kinds of irregular terrain.
- Publication:
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In AGARD Aspects of Electromagnetic Wave Scattering in Radio Commun. 12 p (SEE N79-10299 01-32
- Pub Date:
- September 1978
- Bibcode:
- 1978aews.agarT....L
- Keywords:
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- Rural Areas;
- Surface Roughness;
- Ultrahigh Frequencies;
- Electromagnetic Scattering;
- Monte Carlo Method;
- Multipath Transmission;
- Radio Communication;
- Communications and Radar