Cooperative Cognitive Radio Networking (eBook)

Preface 6
Contents 10
1 Introduction 12
1.1 Cognitive Radio Networks 12
1.2 User Cooperation in Cognitive Radio Networks 15
1.2.1 Cooperation Among Secondary Users 16
1.2.2 Cooperation Between Secondary Users and Primary Users 17
1.3 Active Cooperation Between Primary and Secondary Users 18
1.3.1 Cooperative Communications and Spectrum Leasing 19
1.3.1.1 Cooperative Communications Between PUs and SUs 19
1.3.1.2 Spectrum Leasing Between PUs and SUs 20
1.3.1.3 Challenging Issues 21
1.4 Conclusions 28
References 28
2 Orthogonal Signaling Enabled Cooperative Cognitive Radio Networking 30
2.1 System Model and Problem formulation 33
2.1.1 System Model 33
2.1.2 SNR Analysis of Four-Node Cooperative Communications 35
2.1.2.1 The AF Relaying Mode 35
2.1.2.2 The DF Relaying Mode 36
2.1.3 Problem Formulation 37
2.2 Optimization and Analysis of the Proposed Framework 38
2.2.1 Optimization of the AF Relaying Mode 38
2.2.2 Optimization of the DF Relaying Mode 40
2.3 Multi-User Coordination 42
2.4 Numerical Results 44
2.5 Conclusion 47
Appendix 47
Derivation of Optimal Solutions for AF Cooperation 47
References 49
3 Orthogonally Dull-Polarized Antenna Based Cooperative Cognitive Radio Networking 51
3.1 System Model 55
3.1.1 Networking Architecture and System Description 55
3.1.2 Representation of Polarization 56
3.1.3 Fundamentals of Exploiting Polarization for CCRN 57
3.1.4 Multi-Timescale Cooperation Framework 59
3.2 Problem Formulation 63
3.2.1 Definition of the Resource Allocation Policy 63
3.2.2 Resource Allocation Problem Formulation 64
3.3 Optimal Resource Allocation Policy 64
3.3.1 Frame-Level Resource Allocation Policy for STB 65
3.3.2 Frame-Level Resource Allocation Policy for STA 70
3.3.3 Superframe-Level Resource Allocation Policy 71
3.4 Approximation Algorithm and Numerical Results 71
3.5 Conclusions 77
Appendix 77
References 80
4 Optimal Communication Strategies in Cooperative Cognitive Radio Networking 83
4.1 Related Work 86
4.2 System Model 87
4.3 Problem Formulation 88
4.3.1 Utility Functions 88
4.3.2 Game Theoretic Analysis 90
4.4 Stackelberg Game Framework Analysis 91
4.4.1 NE Analysis for AG 91
4.4.2 NE Analysis for CG 95
4.4.3 Maximizing PU's Utility 98
4.4.4 Implementation Protocol 100
4.5 Performance Evaluation 101
4.6 Conclusion 102
References 102
5 Conclusions and Closing Remarks 104