Physical-Layer Security for Cooperative Relay Networks (eBook)

Preface 6
Contents 8
Acronyms 10
1 Introduction 11
1.1 Wireless Physical-Layer Security 11
1.2 Overview of Cooperative Relay Networks 18
1.3 Objective of This Book 22
References 23
2 Relay Selection for Enhancing Wireless Secrecy Against Eavesdropping 26
2.1 System Model and Problem Formulation 26
2.2 Relay Selection for Secrecy Enhancement 29
2.2.1 Direct Transmission 30
2.2.2 Random Relay Selection 30
2.2.3 Proposed Relay Selection 32
2.3 Asymptotic Intercept Probability and Secrecy Diversity 34
2.4 Numerical Results and Discussions 37
2.5 Conclusions 41
References 41
3 Joint Relay and Jammer Selection for Wireless Physical-Layer Security 43
3.1 System Model and Problem Formulation 43
3.2 Joint Relay and Jammer Selection for Physical-Layer Security 47
3.2.1 Pure Relay Selection 47
3.2.2 Pure Jammer Selection 49
3.2.3 Joint Relay and Jammer Selection 52
3.3 Numerical Results and Discussions 56
3.4 Conclusions 59
References 59
4 Security-Reliability Tradeoff for Cooperative Relay Networks 61
4.1 System Model and Problem Formulation 61
4.2 Security-Reliability Tradeoff for Relay Selection 65
4.2.1 Direct Transmission 65
4.2.2 Single-Relay Selection 67
4.2.3 Multi-relay Selection 70
4.3 Numerical Results and Discussions 73
4.4 Conclusions 78
References 78
5 Improving Security-Reliability Tradeoff Through Joint Relay and Jammer Selection 80
5.1 System Model and Problem Formulation 80
5.2 Security-Reliability Tradeoff for Joint Relay and Jammer Selection 84
5.2.1 Pure Relay Selection 84
5.2.2 Pure Jammer Selection 89
5.2.3 Joint Relay and Jammer Selection 92
5.3 Numerical Results and Discussions 97
5.4 Conclusions 103
References 104
6 Summary 105
6.1 Concluding Remarks 105
6.2 Future Work 108