List of Figures

Chapter 1: Introduction The Propagation Channel in Mobile Communications

Figure 1.1: Rice distributed time-series, (b) Rayleigh distributed time-series relative toLOS, and (c) Rayleigh environment in a rural, tree-shadowed area.
Figure 1.2: Variations in the received signal with the movement of the mobile [1].
Figure 1.3: Standing wave pattern "seen" by the receiver when traveling at speeds (a) Vand (b) V/2 [1].
Figure 1.4: (a) Received signal variations and instantaneous mobilespeed, (b) overall and slow variations, and (c) fast variations afterseparating the slow variations [2].
Figure 1.5: Illustration of the different areas used when studying propagation in mobile communications.
Figure 1.6: Received signal decay with distance: n = 2 and n = 4 laws.
Figure 1.7: Case 1: Stationary mobile terminal [1].
Figure 1.8: (a) Case 2: Mobile moving at speed V with direct visibility and negligible multipath. (b) Case 3: Direct plus reflected signal.(c)Case 4: Multipath with only two echoes. (d) Case 5: Multiple echoes with no direct signal [1].
Figure 1.9: (a) Case 2: Phase variations. (b) Case 2: Doppler shift.
Figure 1.10: Case 3: Standing wave traversed by the mobile.
Figure 1.11: (a) Case 4: ? _i = 180 degrees. (b) Case 4: ? _i = 45 degrees.
Figure 1.12: (a) Case 4: Doppler spectrum for ? _i = 180 degrees. (b) Case 4: Dopplerspectrum for ? _i = 45 degrees.
Figure 1.13: (a) Case 5: Amplitude variations. (b) Case 5: Phase variations.

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