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Wireless Communications Principles and Practice 2 nd Edition T.S. Rappaport

Wireless Communications Principles and Practice 2 nd Edition T.S. Rappaport. Chapter 5: Mobile Radio Propagation: Small-Scale Fading and Multipath as it applies to Modulation Techniques. Doppler Shift Geomerty. Channel issues. Complex Baseband model for RF systems.

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Wireless Communications Principles and Practice 2 nd Edition T.S. Rappaport

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  1. Wireless CommunicationsPrinciples and Practice2nd EditionT.S. Rappaport Chapter 5: Mobile Radio Propagation: Small-Scale Fading and Multipath as it applies to Modulation Techniques

  2. Doppler Shift Geomerty

  3. Channel issues

  4. Complex Baseband model for RF systems

  5. Time-varying impulse response

  6. Measured impulse responses

  7. Channel Sounder: Pulse type

  8. Channel Sounder: PN Type

  9. Channel Sounder: Swept Freq. type

  10. Measured power delay profiles

  11. Indoor Power Delay Profile

  12. Typical RMS delay spreads

  13. Two independent fading issues

  14. Flat-fading (non-freq. Selective)

  15. Frequency selective fading

  16. Two independent fading issues

  17. Rayleigh fading

  18. Small-scale envelope distributions

  19. Ricean and Rayleigh fading distributions

  20. Small-scale fading mechanism

  21. Doppler spectrum

  22. Spectrum of Envelope of doppler faded signal

  23. Simulating Doppler/Small-scale fading

  24. Simulating Doppler fading

  25. Simulating Doppler fading

  26. Simulating multipath with Doppler-induced Rayleigh fading

  27. Simulating 2-ray multipath

  28. SIRCIM – Simulation of all indoor propagation Characteristics

  29. SMRCIM – Simulation of all outdoor propagation Characteristics

  30. SIRCIM and SMRCIM • Available from Wireless Valley Communications, Inc. • Source code in C is available • www. Wirelessvalley.com

  31. Angular Spread model

  32. Spatial distribution of Multipath

  33. Angular Spread key to fading

  34. Spatial orientation of multipath impacts the depths of fading

  35. Angular Distribution of power

  36. Angular Spread predicts correlation distances

  37. Angular Spread predicts correlation distances

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