New Standards for Wireless LANs
New Standards for Wireless LANs
New Standards for Wireless LANs
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• Signal can take many different paths between sender and<br />
receiver due to reflection, scattering, diffraction<br />
signal at sender<br />
Multipath Propagation<br />
• Time dispersion: signal is dispersed over time<br />
interference with “neighbor” symbols, Inter Symbol<br />
Interference (ISI)<br />
• The signal reaches a receiver directly and phase shifted<br />
distorted signal depending on the phases of the different parts<br />
- 35 -<br />
LOS pulses multipath<br />
pulses<br />
signal at receiver<br />
TZI – FB 1 – Kommunikationsnetze<br />
Andreas Könsgen – Summer Term 2011
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