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Radio Propagation Fundamentals: Small-Scale and Large-Scale Fading

Explore principles of mobile radio propagation, including large-scale path loss, interference, small-scale and large-scale fading, antenna basics, diffraction, and modeling small-scale fading. Illustrations and models enhance understanding of wireless communication propagation.

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Radio Propagation Fundamentals: Small-Scale and Large-Scale Fading

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  1. Wireless CommunicationsPrinciples and Practice2nd EditionT.S. Rappaport Chapter 4: Mobile Radio Propagation: Large-Scale Path Loss

  2. Co-channel and Adjacent Channel Interference, Propagation

  3. Small-scale and large-scale fading Figure 4.1 Small-scale and large-scale fading.

  4. Antenna basics

  5. Free-space and received fields

  6. Reflection from smooth surface

  7. Typical electromagnetic properties

  8. Superposition for polarization

  9. Reflection coefficients

  10. Classical 2-ray ground bounce model

  11. Method of Images

  12. Vector addition of 2 rays

  13. Diffraction geometry

  14. Fresnel Screens

  15. Fresnel diffraction geometry Figure 4.12 Illustration of Fresnel zones for different knife-edge diffraction scenarios.

  16. Knife-edge diffraction

  17. Knife-edge diffraction loss

  18. Multiple knife-edge diffraction

  19. Measured results

  20. Typical large-scale path loss

  21. Measured large-scale path loss

  22. Area versus Distance coverage model with shadowing model

  23. 2-D Propagation Raster data

  24. Representing propagation

  25. Algorithm for line of sight (LOS)

  26. Multiple diffraction computation

  27. Modeling Mobile Radio Small-scale fading

  28. Okumura and Hata’s model

  29. Walfisch and Bertoni’s model

  30. Measured data from San Francisco

  31. Partition losses

  32. Partition losses

  33. Partition losses

  34. Partition losses

  35. Ericsson’s indoor model

  36. Measured indoor path loss

  37. Measured indoor path loss

  38. Measured indoor path loss

  39. Devasirvatham’s model

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