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ULTRA WIDE BAND - Martial COULON - Enseeiht

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Ultra Wide Band<br />

Modélisation du canal<br />

Modèles Petite Echelle<br />

Modélisation du canal aux Petites Echelles<br />

Pour UWB<br />

Modèle “classique”<br />

large échelle ↔ d ≫ 1m<br />

petite échelle ↔ d < 1m<br />

h(t) =<br />

K<br />

αkδ(t − τk)<br />

k=0<br />

Particularité de UWB :<br />

τk ∝ 1<br />

W<br />

☞ résolution très fine<br />

☞ grand nombre de multi-trajets<br />

∼ 1ns<br />

51/ 108

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