Canal de Propagation - Martial COULON
Canal de Propagation - Martial COULON
Canal de Propagation - Martial COULON
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V.2. Modèle <strong>de</strong> <strong>Canal</strong> Large Ban<strong>de</strong><br />
y( t)<br />
= ∑α<br />
( t)<br />
s(<br />
t −τ<br />
( t))<br />
n(<br />
t)<br />
k<br />
k k<br />
+<br />
• α k (t) : variable <strong>de</strong> Rayleigh ou <strong>de</strong> Rice + Effet Doppler<br />
α k (t) indépendants (par rapport à k) : uncorrelated scattering<br />
• τ k (t) = k/W où W/2 est la ban<strong>de</strong> du signal passe-bas x(t)<br />
1/W : résolution du système<br />
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