| Table of Contents |
| 1. | Introduction | 1 |
| 1.1. | Background and Motivation | 1 |
| 1.2. | Cognitive Radio in a Nutshell | 2 |
| 1.3. | Video over Cognitive Radio Networks | 4 |
| 1.4. | Outline | 4 |
| 2. | Video over Cellular CR Networks | 7 |
| 2.1. | CR Video Multicast Framework | 9 |
| 2.1.1. | Network Model | 9 |
| 2.1.2. | Spectrum Sensing | 10 |
| 2.1.3. | Opportunistic Spectrum Access | 12 |
| 2.1.4. | Modulation-Coding Schemes | 12 |
| 2.1.5. | Proportional Fair Allocation | 13 |
| 2.2. | Optimized Video Multicast in CR Networks | 14 |
| 2.2.1. | Outline of the Proposed Approach | 14 |
| 2.2.2. | Enhancement Layer Partitioning and Tile Allocation | 15 |
| 2.2.3. | Tile Scheduling in a Time Slot | 21 |
| 2.3. | Simulation Results | 23 |
| 2.4. | Related Work' | 28 |
| 2.5. | Conclusion | 28 |
| 3. | Video over Cooperative CR Networks | 31 |
| 3.1. | Network Model and Assumptions | 32 |
| 3.1.1. | Spectrum Access | 33 |
| 3.1.2. | Zero-Forcing Precoding | 34 |
| 3.2. | Problem Formulation | 35 |
| 3.3. | Solution Algorithms | 38 |
| 3.3.1. | Case of a Single Channel | 38 |
| 3.3.2. | Case of Multiple Channels with Channel Bonding | 44 |
| 3.3.3. | Case of Multiple Channels Without Channel Bonding | 44 |
| 3.4. | Performance Evaluation | 47 |
| 3.4.1. | Case of a Single Licensed Channel | 48 |
| 3.4.2. | Case of Multiple Channels Without Channel Bonding | 49 |
| 3.5. | Related Work | 50 |
| 3.6. | Conclusion | 52 |
| 4. | Video over Femto CR Networks | 53 |
| 4.1. | System Model and Preliminaries | 54 |
| 4.1.1. | Spectrum and Network Model | 54 |
| 4.1.2. | Spectrum Sensing and Access | 55 |
| 4.1.3. | Channel Model | 56 |
| 4.1.4. | Video Performance Measure | 57 |
| 4.2. | MGS Video over Femtocell CR Networks | 58 |
| 4.2.1. | Case of Single FBS | 58 |
| 4.2.2. | Case of Multiple Noninterfering FBS's | 63 |
| 4.2.3. | Case of Multiple Interfering FBS's | 64 |
| 4.3. | Simulation Results | 70 |
| 4.3.1. | Case of Single FBS | 70 |
| 4.3.2. | Case of Interfering FBS's | 74 |
| 4.4. | Related Work | 77 |
| 4.5. | Conclusions | 78 |
| 5. | Video over Multi-hop CR Networks | 79 |
| 5.1. | System Model | 81 |
| 5.1.1. | Network Model | 81 |
| 5.1.2. | Spectrum Sensing | 83 |
| 5.1.3. | Spectrum Access | 84 |
| 5.1.4. | Link and Path Statistics | 85 |
| 5.2. | Problem Statement | 85 |
| 5.2.1. | Multi-hop CR Network Video Streaming Problem | 86 |
| 5.2.2. | Centralized Algorithm and Upper/Lower Bounds | 89 |
| 5.3. | Dual Decomposition | 90 |
| 5.3.1. | Decompose Problem OPT-CRV | 90 |
| 5.3.2. | Solve the Channel Scheduling Subproblem | 90 |
| 5.3.3. | Solve the Path Selection Subproblem | 91 |
| 5.3.4. | Optimality and Convergence Analysis | 93 |
| 5.3.5. | Practical Considerations | 96 |
| 5.4. | Simulation Results | 97 |
| 5.4.1. | Methodology and Simulation Settings | 97 |
| 5.4.2. | Simulation Results | 98 |
| 5.5. | Related Work | 101 |
| 5.6. | Conclusion | 103 |
| 6. | Conclusion and Open Problems | 105 |
| 6.1. | Summary | 105 |
| 6.2. | Open Problems and Future Work | 105 |
| | Bibliography | 109 |
| | About the Author | 115 |
| | Index | 117 |
