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ULTRA WIDE BAND - Martial COULON - Enseeiht

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Ultra Wide Band<br />

Récepteurs<br />

Récepteurs I-UWB<br />

2-PPM :<br />

<br />

sign(zj) + 1<br />

aj =<br />

avec zj =<br />

2<br />

avec :<br />

BER = 1<br />

2<br />

u0 = Ep<br />

u1 = Ep<br />

Problèmes : idem que 2-PAM.<br />

(j+1)Ts<br />

jTs<br />

<br />

Q<br />

u0<br />

σ<br />

r(t) (p(t − jTs) − p(t − jTs − δ)) dt<br />

<br />

+ Q<br />

<br />

−u1<br />

σ<br />

K<br />

αk (R(τk) − R(τk − δ))<br />

k=0<br />

K<br />

αk (R(τk + δ) − R(τk))<br />

k=0<br />

σ = N0Ep (1 − R(δ))<br />

80/ 108

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