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Satellite Propagation Channel Analysis via Ray-Tracing Simulation (CROSBI ID 101077)

Prilog u časopisu | izvorni znanstveni rad

Blažević, Zoran ; Zanchi, Igor ; Marinović, Ivan Satellite Propagation Channel Analysis via Ray-Tracing Simulation // Automatika : časopis za automatiku, mjerenje, elektroniku, računarstvo i komunikacije, 44 (2003), 3-4; 147-153-x

Podaci o odgovornosti

Blažević, Zoran ; Zanchi, Igor ; Marinović, Ivan

engleski

Satellite Propagation Channel Analysis via Ray-Tracing Simulation

The paper deals with a satellite propagation channel analysis via powerful methods such as ray-tracing, uniform geometrical theory of diffraction and Fourier Transform, already confirmed in various scientific literature. These procedures are easily programmable, and thus can be used as basis for analysing software of various radio channels. In order to present theirs suitability, an example of radio channel of Low-Earth Orbit satellite that emits at carrier frequency 1625MHz at various elevation angles (illuminated and shadow zone) is exploited. Accordingly, the diagrams of impulse response and Doppler power spectra are shown and commented. It can be concluded that presented simulation can be successfully applied for multipath radio channel analysis, especially when fundamental channel parameters such as coherence bandwidth or coherence time are to be determined.

Satellite propagation channel; Ray-Tracing; Uniform Geometrical Theory of Diffraction; Impulse response; Doppler spectrum

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Podaci o izdanju

44 (3-4)

2003.

147-153-x

objavljeno

0005-1144

Povezanost rada

Elektrotehnika