Cooperative Device-to-Device Communication in Cognitive Radio Cellular Networks (eBook)

Preface 5
Acknowledgements 6
Contents 7
List of Abbreviations 9
Chapter 1 Introduction 10
1.1 Offloading in Wireless Cellular Networks 10
1.2 Overview of Cooperative Device-to-Device Communication 12
1.3 Aims of This Brief 13
References 13
Chapter 2 Literature Survey on Cooperative Device-to-Device Communication 15
2.1 Device-to-Device Communication 15
2.2 Cooperative Communication 16
References 18
Chapter 3 Cooperative Device-to-Device Communication Architecture 21
3.1 Cooperative Device-to-Device Communication 21
3.2 Challenges 24
References 25
Chapter 4 Capacity Maximization of Cooperative Device-to-Device Communication 26
4.1 Introduction 26
4.2 System Model 28
4.3 Problem Formulation of Joint Relay Assignment and Channel Allocation Problem 29
4.3.1 Formulation of the Basic RC Problem 29
4.3.2 Formulation of the RCNC Problem 31
4.3.3 Hardness Analysis 32
4.4 Solution of the RC Problem 34
4.4.1 Solving the Relaxed Problem 34
4.4.2 Finding the Feasible Integer Solution 37
4.5 Solution of the RCNC Problem 38
4.6 Performance Evaluation 40
4.6.1 Results of Example Networks 40
4.6.2 Results of Random Networks 43
4.7 Conclusion 45
References 45
Chapter 5 Energy Efficiency of Cooperative Device-to-Device Communication 47
5.1 Introduction 47
5.2 System Model 48
5.3 The Problem of Max-Min Lifetime for Cooperative D2D Communication 49
5.4 Algorithm Design 51
5.4.1 A Basic Solution 51
5.4.2 Reenforcement 54
Simplified Formulation 54
Simplified Linear Approximation 55
5.5 Performance Evaluation 59
5.5.1 Simulation Setting 59
5.5.2 Simulation Results 60
5.6 Conclusion and Future Work 63
References 64
Chapter 6 Cooperative Device-to-Device Communication for Broadcast 66
6.1 Introduction 66
6.2 System Model 67
6.3 Relay Selection for Unicast 68
6.4 Relay Selection for Broadcast 69
6.4.1 Complexity Analysis 70
6.4.2 A Greedy Relay Selection Algorithm for Broadcast 72
6.5 Performance Evaluation 73
6.5.1 Unicast 74
6.5.2 Broadcast 76
6.6 Conclusion 78
References 79
Chapter 7 Conclusion 81
7.1 Concluding Remarks 81
7.2 Future Work 82