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Published byNathan Jackson Modified over 9 years ago
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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 Zhuang Wireless Communications: Principles and Practice, Theodore S. Rappaport Wireless Communications 06-88-563
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Small-scale and large-scale fading
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Free Space Propagation
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2-Ray model
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Classical 2-ray ground bounce model
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Reflection from smooth surface
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Vector addition of 2 rays
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Diffraction geometry
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Knife-edge diffraction v=f(d1,d2,h)
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Knife-edge diffraction loss
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Multiple knife-edge diffraction
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Typical large-scale path loss
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Measured large-scale path loss
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Area versus Distance coverage model with shadowing model
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2-D Propagation Raster data
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Representing propagation
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Algorithm for line of sight (LOS)
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Okumura and Hata’s model
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Walfisch and Bertoni’s model
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Measured data from San Francisco
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Partition losses
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Ericsson’s indoor model
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Measured indoor path loss
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Devasirvatham’s model
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Method of Images
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