Download presentation
Presentation is loading. Please wait.
Published byRandell Nelson Modified over 9 years ago
1
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Wireless Communications Principles and Practice 2 nd Edition T.S. Rappaport Chapter 4: Mobile Radio Propagation: Large-Scale Path Loss
2
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Co-channel and Adjacent Channel Interference, Propagation
3
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Small-scale and large-scale fading Figure 4.1 Small-scale and large-scale fading.
4
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Antenna basics
5
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Free-space and received fields
6
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Reflection from smooth surface
7
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Typical electromagnetic properties
8
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Superposition for polarization
9
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Reflection coefficients
10
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Classical 2-ray ground bounce model
11
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Method of Images
12
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Vector addition of 2 rays
13
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Diffraction geometry
14
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Fresnel Screens
15
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Fresnel diffraction geometry Figure 4.12 Illustration of Fresnel zones for different knife-edge diffraction scenarios.
16
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Knife-edge diffraction
17
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Knife-edge diffraction loss
18
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Multiple knife-edge diffraction
19
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Measured results
20
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Typical large-scale path loss
21
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Measured large-scale path loss
22
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Area versus Distance coverage model with shadowing model
23
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. 2-D Propagation Raster data
24
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Representing propagation
25
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Algorithm for line of sight (LOS)
26
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Multiple diffraction computation
27
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Modeling Mobile Radio Small-scale fading
28
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Okumura and Hata’s model
29
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Walfisch and Bertoni’s model
30
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Measured data from San Francisco
31
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Partition losses
32
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Partition losses
33
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Partition losses
34
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Partition losses
35
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Ericsson’s indoor model
36
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Measured indoor path loss
37
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Measured indoor path loss
38
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Measured indoor path loss
39
© 2002 Pearson Education, Inc. Commercial use, distribution, or sale prohibited. Devasirvatham’s model
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.