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W. Pam Siriwongpairat

Ultra-Wideband Communications Systems

Multiband OFDM Approach

€ 159.95

The only book that provides full coverage of UWB multiband OFDM technology

Ultra wideband (UWB) has emerged as a technology that offers great promise to satisfy the growing demand for low cost, high speed digital networks.


Taal / Language : English

Inhoudsopgave:
Preface xiii
Chapter 1 Introduction 1
1.1 Overview of UWB,
1
1.2 Advantages of UWB,
3
1.3 UWB Applications,
4
1.4 UWB Transmission Schemes,
5
1.5 Challenges for UWB,
7
Chapter 2 Channel Characteristics 9
2.1 Large-Scale Models,
10
2.1.1 Path Loss Models,
10
2.1.2 Shadowing,
11
2.2 Small-Scale Models,
12
2.2.1 Tap-Delay-Line Fading Model,
13
2.2.2 Δ K Model,
14
2.2.3 Saleh Valenzuela Model,
15
2.2.4 Standard UWB Channel Model,
16
Chapter 3 UWB: Single-Band Approaches 19
3.1 Overview of Single-Band Approaches,
20
3.2 Modulation Techniques,
21
3.2.1 Pulse Amplitude Modulation,
21
3.2.2 On Off Keying,
22
3.2.3 Phase Shift Keying,
22
3.2.4 Pulse Position Modulation,
23
3.3 Multiple Access Techniques,
23
3.3.1 Time-Hopping UWB,
24
3.3.2 Direct-Sequence UWB,
25
3.4 Demodulation Techniques,
26
3.4.1 Received Signal Model,
26
3.4.2 Correlation Receiver,
27
3.4.3 RAKE Receiver,
28
3.5 MIMO Single-Band UWB,
30
3.5.1 MIMO Space Time-Coded Systems,
30
3.5.2 Space Time-Coded UWB Systems,
32
3.6 Performance Analysis,
37
3.6.1 TH-BPPM,
38
3.6.2 TH-BPSK,
41
3.6.3 DS-BPSK,
42
3.7 Simulation Results,
44
3.8 Chapter Summary,
51
Chapter 4 UWB: Multiband OFDM Approach 53
4.1 Overview of Multiband OFDM Approach,
54
4.1.1 Fundamental Concepts,
54
4.1.2 Signal Model,
56
4.2 IEEE 802.15.3a WPAN Standard Proposal,
57
4.2.1 OFDM Parameters,
57
4.2.2 Rate-Dependent Parameters,
58
4.2.3 Operating Band Frequencies,
59
4.2.4 Channelization,
60
4.3 Physical Layer Design,
61
4.3.1 Scrambler and De-scrambler,
62
4.3.2 Convolutional Encoder and Viterbi Decoder,
62
4.3.3 Bit Interleaver and De-interleaver,
63
4.3.4 Constellation Mapper,
67
4.3.5 OFDM Modulation,
67
4.4 MAC Layer Design,
69
4.4.1 Network Topology,
69
4.4.2 Frame Architecture,
71
4.4.3 Network Operations,
72
4.5 Chapter Summary,
73
Chapter 5 MIMO Multiband OFDM 75
5.1 MIMO-OFDM Communications,
76
5.2 MIMO Multiband OFDM System Model,
78
5.2.1 Transmitter Description,
78
5.2.2 Channel Model,
80
5.2.3 Receiver Processing,
80
5.3 Performance Analysis,
82
5.3.1 Independent Fading,
83
5.3.2 Correlated Fading,
86
5.4 Simulation Results,
89
5.5 Chapter Summary,
94
Chapter 6 Performance Characterization 97
6.1 System Model,
98
6.2 Performance Analysis,
99
6.2.1 Average PEP Analysis,
100
6.2.2 Approximate PEP Formulation,
102
6.2.3 Outage Probability,
106
6.3 Analysis for MIMO Multiband OFDM Systems,
110
6.3.1 MIMO Multiband OFDM System Model,
110
6.3.2 Pairwise Error Probability,
111
6.3.3 Example: Repetition STF Coding Based on Alamouti`s Structure,
113
6.4 Simulation Results,
114
6.5 Chapter Summary,
120
Chapter 7 Performance Under Practical Considerations 121
7.1 System Model,
122
7.2 Average Signal-to-Noise Ratio,
124
7.2.1 Expressions of Fading Term, ICI, and ISI,
124
7.2.2 Variances of Fading Term, ICI, and ISI,
127
7.2.3 Average Signal-to-Noise Ratio and Performance Degradation,
132
7.3 Average Bit Error Rate,
132
7.3.1 Overall Spreading Gain of 1,
134
7.3.2 Overall Spreading Gain of 2,
136
7.3.3 Overall Spreading Gain of 4,
137
7.4 Performance Bound,
140
7.5 Numerical and Simulation Results,
143
7.5.1 Numerical Results,
143
7.5.2 Simulation and Numerical Results,
145
7.6 Chapter Summary,
147
Appendix: Derivations of A1, A2, B1, and B2,
148
A.1 Derivation of A1 and A2,
149
A.2 Derivation of B1 and B2,
151
Chapter 8 Differential Multiband OFDM 155
8.1 Differential Modulation,
156
8.1.1 Single-Antenna Systems,
156
8.1.2 MIMO Systems,
157
8.2 Differential Scheme for Multiband OFDM Systems,
159
8.2.1 System Model,
159
8.2.2 Differential Encoding and Transmitting Signal Structure,
160
8.2.3 Multiband Differential Decoding,
162
8.3 Pairwise Error Probability,
163
8.4 Simulation Results,
166
8.5 Chapter Summary,
169
Chapter 9 Power-Controlled Channel Allocation 171
9.1 System Model,
172
9.2 Power-Controlled Channel Allocation Scheme,
174
9.2.1 Generalized SNR for Various Transmission Modes,
175
9.2.2 PER and Rate Constraint,
176
9.2.3 Problem Formulation,
177
9.2.4 Subband Assignment and Power Allocation Algorithm,
178
9.2.5 Joint Rate Assignment and Resource Allocation Algorithm,
179
9.3 Simulation Results,
182
9.3.1 Subband Assignment and Power Allocation,
182
9.3.2 Joint Rate Assignment and Resource Allocation,
185
9.4 Chapter Summary,
186
Chapter 10 Cooperative UWB Multiband OFDM 189
10.1 Cooperative Communications,
190
10.2 System Model,
191
10.2.1 Noncooperative UWB,
192
10.2.2 Cooperative UWB,
193
10.3 SER Analysis for Cooperative UWB,
194
10.3.1 Cooperative UWB,
194
10.3.2 Comparison of Cooperative and Noncooperative UWB,
199
10.4 Optimum Power Allocation for Cooperative UWB,
201
10.4.1 Power Minimization Using Cooperative Communications,
201
10.4.2 Coverage Enhancement Using Cooperative Communications,
205
10.5 Improved Cooperative UWB,
208
10.6 Simulation Results,
212
10.7 Chapter Summary,
215
References 217
Index 227
Extra informatie: 
Hardback
230 pagina's
Januari 2007
544 gram
248 x 165 x 25 mm
Wiley-Blackwell us

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