【资料名称】：Fundamentals of Wireless Communication【资料作者】：David Tes【资料日期】：2011

【资料语言】：英文【资料格式】：PDF

【资料目录和简介】：

Contents
1 Introduction 12
1.1 Book Objective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.2 Wireless Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.3 Book Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2 The Wireless Channel 21
2.1 Physical Modeling for Wireless Channels . . . . . . . . . . . . . . . . . 21
2.1.1 Free space, fixed transmitting and receive antennas . . . . . . . 23
2.1.2 Free space, moving antenna . . . . . . . . . . . . . . . . . . . . 24
2.1.3 Reflecting wall, fixed antenna . . . . . . . . . . . . . . . . . . . 25
2.1.4 Reflecting wall, moving antenna . . . . . . . . . . . . . . . . . . 27
2.1.5 Reflection from a Ground Plane . . . . . . . . . . . . . . . . . . 29
2.1.6 Power Decay with Distance and Shadowing . . . . . . . . . . . . 30
2.1.7 Moving Antenna, Multiple Reflectors . . . . . . . . . . . . . . . 31
2.2 Input/Output Model of the Wireless Channel . . . . . . . . . . . . . . 32
2.2.1 The Wireless Channel as a Linear Time-Varying System . . . . 32
2.2.2 Baseband Equivalent Model . . . . . . . . . . . . . . . . . . . . 34
2.2.3 A Discrete Time Baseband Model . . . . . . . . . . . . . . . . . 37
Discussion 2.1 Degrees of Freedom . . . . . . . . . . . . . . . 40
2.2.4 Additive White Noise . . . . . . . . . . . . . . . . . . . . . . . . 41
2.3 Time and Frequency Coherence . . . . . . . . . . . . . . . . . . . . . . 42
2.3.1 Doppler Spread and Coherence Time . . . . . . . . . . . . . . . 42
2.3.2 Delay Spread and Coherence Bandwidth . . . . . . . . . . . . . 44
2.4 Statistical Channel Models . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.4.1 Modeling Philosophy . . . . . . . . . . . . . . . . . . . . . . . . 47
2.4.2 Rayleigh and Rician Fading . . . . . . . . . . . . . . . . . . . . 48
2.4.3 Tap Gain Autocorrelation Function . . . . . . . . . . . . . . . . 50
Example 2.2 Clarke’s Model . . . . . . . . . . . . . . . . . . . 51
2.5 Bibliographical Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
2.6 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56