New Standards for Wireless LANs
New Standards for Wireless LANs
New Standards for Wireless LANs
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Radio Channel Characteristics<br />
• Superposition of<br />
numerous direct and<br />
reflected multipath<br />
components with<br />
different attenuation<br />
and phasing<br />
• time variant<br />
• Differentiation of fast<br />
and slow fading<br />
• Fast fading due to superposition of different phases<br />
• Slow fading is due to the change of propagation<br />
environment<br />
• Both fading types depend on the frequency<br />
A<br />
- 37 -<br />
B<br />
TZI – FB 1 – Kommunikationsnetze<br />
Andreas Könsgen – Summer Term 2011