Coping with Interference in Wireless Networks (eBook)

Preface 6
Acknowledgements 8
Contents 9
List of Figures 11
List of Tables 13
Introduction 14
Coping with Interference in Physical Layer 14
Multi-user Communication and Interference Cancellation 14
Trade off Between Rate and Diversity 15
Diversity Analysis of Multi-user systems 15
Coping with Interference in Medium-Access Control (MAC) Layer 16
Motivations and Applications 17
Solution Overview 18
Effect of Interference on Connectivity 19
Multi-User Communication and Interference Cancellation 21
The Channel Model 21
Interference Cancellation Using Space-Time Block Coding 21
Interference Cancellation Using Quasi-Orthogonal Space-Time Block Coding 27
Interference Cancellation Using Minimum Decoding Complexity Quasi-Orthogonal Space-Time Block Codes (MDC-QOSTBC) 35
Application of the New Interference Cancellation Scheme in Array Processing 37
Simulation Results 38
Diversity Analysis of Multiple-Antenna Multi-User Systems 42
Diversity Order in a Communication Scheme 42
Multi-User Detection Using Alamouti 43
Diversity Order of the ML Decoding 45
Diversity Order of the Array-Processing Method 45
The Case with More than 2 Receive Antennas 47
The Case with More than 2 Users 53
Multi-User Detection for More than Two Transmit Antennas 53
The Case with More than 2 Receive Antennas 55
The Case with More than 2 Users 58
Joint Array Processing and Space-Time Coding 60
Discussion 60
Appendix A 60
Appendix B 67
Global Optimal Routing, Scheduling and Power Control for Multi-Hop Wireless Networks with Interference 69
Modeling and Problem Formulation 69
Scheduling and Power Control 70
Scheduling, Power Control, and Routing 72
Power Control, Scheduling and Routing Algorithm 73
The Power Control-Scheduling Algorithm 73
Power Control, Scheduling and Routing 78
Nonlinear vs. Linear 80
Simulation Results and Discussion 81
Connectivity in Wireless Networks 88
The Capacity Metric 88
Probabilistic Capacity Metric 88
Deterministic Capacity Metric 92
The SER Metric 93
Probabilistic SER Metric 93
Deterministic SER Metric 96
Capturing Temporal Correlation of Ergodic Channels 98
Experimental Verification of Analysis 98
Justification of Proposed Connectivity Metrics 99
Connectivity Experiments 99
References 105
Index 108