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Wireless Channels:Large Scale Fading
(Path Loss)
These slides contains copyrighted materials from Prentice Hall Inc.. These figures are provided as instructor resources, and sources of these figures are:Wireless Communications and Networking, Jon W. Mark, Weihua ZhuangWireless Communications: Principles and Practice, Theodore S. Rappaport
Wireless Communications 06-88-563
Small-scale and large-scale fading
Free Space Propagation
Free Space Propagation
2-Ray model
Classical 2-ray ground bounce model
Reflection from smooth surface
Vector addition of 2 rays
Diffraction geometry
Knife-edge diffraction
v=f(d1,d2,h)
Knife-edge diffraction loss
Multiple knife-edge diffraction
Typical large-scale path loss
Measured large-scale path loss
Area versus Distance coverage model with shadowing model
2-D Propagation Raster data
Representing propagation
Algorithm for line of sight (LOS)
Okumura and Hata’s model
Walfisch and Bertoni’s model
Measured data from San Francisco
Partition losses
Ericsson’s indoor model
Measured indoor path loss
Measured indoor path loss
Measured indoor path loss
Devasirvatham’s model
Method of Images
