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xv | |
Preface |
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xxi | |
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Part I Spectrum Intelligence and Adaptive Resource Management |
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1 | (60) |
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1 Machine Learning for Spectrum Access and Sharing |
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3 | (24) |
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3 | (1) |
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1.2 Online Learning Algorithms for Opportunistic Spectrum Access |
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4 | (5) |
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4 | (1) |
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1.2.2 Performance Measures of the Online Learning Algorithms |
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5 | (1) |
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6 | (1) |
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1.2.4 Random and Deterministic Approaches |
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6 | (1) |
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1.2.5 The Adaptive Sequencing Rules Approach |
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7 | (1) |
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1.2.5.1 Structure of Transmission Epochs |
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1.2.5.2 Selection Rule under the ASR Algorithm |
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8 | (1) |
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1.2.5.3 High-Level Pseudocode and Implementation Discussion |
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9 | (1) |
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1.3 Learning Algorithms for Channel Allocation |
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9 | (10) |
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10 | (1) |
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1.3.2 Distributed Learning, Game-Theoretic, and Matching Approaches |
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11 | (2) |
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1.3.3 Deep Reinforcement Learning for DSA |
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13 | (1) |
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1.3.3.1 Background on Q-learning and Deep Reinforcement Learning (DRL) |
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13 | (1) |
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1.3.4 Existing DRL-Based Methods for DSA |
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14 | (1) |
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1.3.5 Deep Q-Learning for Spectrum Access (DQSA) Algorithm |
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15 | (1) |
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1.3.5.1 Architecture of the DQN Used in the DQSA Algorithm |
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15 | (1) |
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1.3.5.2 Training the DQN and Online Spectrum Access |
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16 | (1) |
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1.3.5.3 Simulation Results |
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17 | (2) |
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19 | (8) |
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20 | (1) |
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20 | (7) |
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2 Reinforcement Learning for Resource Allocation in Cognitive Radio Networks |
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27 | (18) |
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2.1 Use of Q-Learning for Cross-layer Resource Allocation |
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29 | (4) |
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2.2 Deep Q-Learning and Resource Allocation |
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33 | (3) |
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2.3 Cooperative Learning and Resource Allocation |
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36 | (6) |
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42 | (3) |
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43 | (2) |
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3 Machine Learning for Spectrum Sharing in Millimeter-Wave Cellular |
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45 | (16) |
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Hossein Shokri-Ghadikolaei |
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3.1 Background and Motivation |
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45 | (4) |
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3.1.1 Review of Cellular Network Evolution |
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45 | (1) |
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3.1.2 Millimeter-Wave and Large-Scale Antenna Systems |
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46 | (1) |
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3.1.3 Review of Spectrum Sharing |
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47 | (1) |
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3.1.4 Model-Based vs. Data-Driven Approaches |
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48 | (1) |
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3.2 System Model and Problem Formulation |
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49 | (5) |
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49 | (1) |
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49 | (1) |
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3.2.1.2 Association Model |
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49 | (1) |
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3.2.1.3 Antenna and Channel Model |
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49 | (1) |
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3.2.1.4 Beamforming and Coordination Models |
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50 | (1) |
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3.2.1.5 Coordination Model |
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50 | (1) |
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3.2.2 Problem Formulation |
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51 | (1) |
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52 | (1) |
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3.2.3 Model-based Approach |
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52 | (1) |
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3.2.4 Data-driven Approach |
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53 | (1) |
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3.3 Hybrid Solution Approach |
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54 | (5) |
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3.3.1 Data-Driven Component |
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55 | (1) |
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3.3.2 Model-Based Component |
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56 | (2) |
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3.3.2.1 Illustrative Numerical Results |
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58 | (1) |
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3.3.3 Practical Considerations |
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58 | (1) |
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3.3.3.1 Implementing Training Frames |
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58 | (1) |
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59 | (1) |
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3.3.3.3 Choice of the Penalty Matrix |
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59 | (1) |
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3.4 Conclusions and Discussions |
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59 | (2) |
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Appendix A Appendix for Chapter 3 |
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61 | (96) |
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A.1 Overview of Reinforcement Learning |
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61 | (2) |
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61 | (2) |
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4 Deep Learning-Based Coverage and Capacity Optimization |
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63 | (22) |
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63 | (1) |
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4.2 Related Machine Learning Techniques for Autonomous Network Managements |
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64 | (3) |
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4.2.1 Reinforcement Learning and Neural Network |
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64 | (2) |
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4.2.2 Application to Mobile Network |
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66 | (1) |
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4.3 Data-Driven Base-Station Sleeping Operations by Deep Reinforcement Learning |
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67 | (5) |
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4.3.1 Deep Reinforcement Learning Architecture |
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7 | (61) |
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4.3.2 Deep Q-Learning Preliminary |
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68 | (1) |
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4.3.3 Applications to BS Sleeping Control |
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68 | (1) |
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4.3.3.1 Action-Wise Experience Replay |
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69 | (1) |
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4.3.3.2 Adaptive Reward Scaling |
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70 | (1) |
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4.3.3.3 Environment Models and Dyna Integration |
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70 | (1) |
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4.3.3.4 DeepNap Algorithm Description |
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71 | (1) |
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71 | (1) |
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4.3.4.1 Algorithm Comparisons |
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71 | (1) |
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72 | (1) |
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4.4 Dynamic Frequency Reuse through a Multi-Agent Neural Network Approach |
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72 | (9) |
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4.4.1 Multi-Agent System Architecture |
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73 | (2) |
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4.4.1.1 Cell Agent Architecture |
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75 | (1) |
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4.4.2 Application to Fractional Frequency Reuse |
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75 | (1) |
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4.4.3 Scenario Implementation |
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76 | (1) |
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4.4.3.1 Cell Agent Neural Network |
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76 | (2) |
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78 | (1) |
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4.4.4.1 Neural Network Performance |
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78 | (1) |
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4.4.4.2 Multi-Agent System Performance |
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79 | (2) |
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81 | (1) |
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81 | (4) |
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82 | (3) |
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5 Machine Learning for Optimal Resource Allocation |
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85 | (20) |
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5.1 Introduction and Motivation |
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85 | (3) |
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5.1.1 Network Capacity and Densification |
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86 | (1) |
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5.1.2 Decentralized Resource Minimization |
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87 | (1) |
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88 | (1) |
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88 | (2) |
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5.2.1 Heterogeneous Wireless Networks |
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88 | (1) |
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89 | (1) |
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5.3 Resource Minimization Approaches |
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90 | (6) |
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5.3.1 Optimized Allocation |
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91 | (1) |
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5.3.2 Feature Selection and Training |
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91 | (2) |
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5.3.3 Range Expansion Optimization |
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93 | (1) |
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5.3.4 Range Expansion Classifier Training |
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94 | (1) |
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5.3.5 Multi-Class Classification |
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94 | (2) |
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96 | (3) |
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99 | (6) |
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100 | (5) |
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6 Machine Learning in Energy Efficiency Optimization |
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105 | (14) |
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6.1 Self-Organizing Wireless Networks |
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106 | (4) |
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6.2 Traffic Prediction and Machine Learning |
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110 | (1) |
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6.3 Cognitive Radio and Machine Learning |
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111 | (1) |
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6.4 Future Trends and Challenges |
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112 | (2) |
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112 | (1) |
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6.4.2 Positioning of Unmanned Aerial Vehicles |
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113 | (1) |
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6.4.3 Learn-to-Optimize Approaches |
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113 | (1) |
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114 | (1) |
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114 | (5) |
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114 | (5) |
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7 Deep Learning Based Traffic and Mobility Prediction |
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119 | (18) |
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119 | (1) |
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120 | (2) |
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120 | (1) |
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7.2.2 Mobility Prediction |
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121 | (1) |
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7.3 Mathematical Background |
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122 | (2) |
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7.4 ANN-Based Models for Traffic and Mobility Prediction |
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124 | (9) |
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7.4.1 ANN for Traffic Prediction |
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124 | (1) |
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7.4.1.1 Long Short-Term Memory Network Solution |
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124 | (1) |
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7.4.1.2 Random Connectivity Long Short-Term Memory Network Solution |
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125 | (3) |
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7.4.2 ANN for Mobility Prediction |
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128 | (1) |
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7.4.2.1 Basic LSTM Network for Mobility Prediction |
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128 | (2) |
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7.4.2.2 Spatial-Information-Assisted LSTM-Based Framework of Individual Mobility Prediction |
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130 | (1) |
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7.4.2.3 Spatial-Information-Assisted LSTM-Based Framework of Group Mobility Prediction |
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131 | (2) |
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133 | (4) |
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134 | (3) |
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8 Machine Learning for Resource-Efficient Data Transfer in Mobile Crowdsensing |
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137 | (20) |
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137 | (3) |
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8.1.1 Applications and Requirements |
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138 | (1) |
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8.1.2 Anticipatory Data Transmission |
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139 | (1) |
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8.2 ML-Based Context-Aware Data Transmission |
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140 | (8) |
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8.2.1 Groundwork: Channel-aware Transmission |
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140 | (2) |
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8.2.2 Groundwork: Predictive CAT |
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142 | (2) |
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144 | (2) |
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146 | (2) |
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8.3 Methodology for Real-World Performance Evaluation |
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148 | (1) |
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8.3.1 Evaluation Scenario |
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148 | (1) |
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8.3.2 Power Consumption Analysis |
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148 | (1) |
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8.4 Results of the Real-World Performance Evaluation |
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149 | (3) |
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8.4.1 Statistical Properties of the Network Quality Indicators |
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149 | (1) |
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8.4.2 Comparison of the Transmission Schemes |
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149 | (2) |
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151 | (1) |
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152 | (5) |
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154 | (1) |
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154 | (3) |
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Part II Transmission Intelligence and Adaptive Baseband Processing |
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157 | (170) |
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9 Machine Learning-Based Adaptive Modulation and Coding Desian |
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1 | (180) |
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9.1 Introduction and Motivation |
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159 | (3) |
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9.1.1 Overview of ML-Assisted AMC |
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160 | (1) |
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9.1.2 MCS Schemes Specified by IEEE 802.11n |
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161 | (1) |
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162 | (10) |
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162 | (1) |
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9.2.1.1 Algorithm for A-NN-Assisted AMC |
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163 | (1) |
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9.2.2 Performance Analysis of A-NN-Assisted AMC System |
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164 | (2) |
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166 | (1) |
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166 | (4) |
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9.2.3.2 Simulation and Results |
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170 | (2) |
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172 | (6) |
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9.3.1 Markov Decision Process |
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172 | (1) |
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9.3.2 Solution for the Markov Decision |
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173 | (1) |
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9.3.3 Actions, States, and Rewards |
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174 | (1) |
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9.3.4 Performance Analysis and Simulations |
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175 | (3) |
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9.4 Further Discussion and Conclusions |
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178 | (3) |
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178 | (3) |
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10 Machine Learning-Based Nonlinear MIMO Detector |
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181 | (16) |
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181 | (1) |
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10.2 A Multihop MIMO Channel Model |
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182 | (2) |
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10.3 Supervised-Learning-based MIMO Detector |
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184 | (604) |
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10.3.1 Non-Parametric Learning |
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184 | (1) |
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10.3.2 Parametric Learning |
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185 | (3) |
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10.4 Low-Complexity SL (LCSL) Detector |
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188 | (3) |
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191 | (2) |
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193 | (4) |
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193 | (4) |
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11 Adaptive Learning for Symbol Detection: A Reproducing Kernel Hilbert Space Approach |
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197 | (16) |
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Renato Luis Garrido Cavalcante |
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197 | (1) |
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198 | (2) |
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11.2.1 Reproducing Kernel Hilbert Spaces |
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198 | (1) |
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11.2.2 Sum Spaces of Reproducing Kernel Hilbert Spaces |
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199 | (1) |
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200 | (3) |
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11.3.1 Symbol Detection in Multiuser Environments |
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201 | (1) |
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11.3.2 Detection of Complex-Valued Symbols in Real Hilbert Spaces |
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202 | (1) |
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11.4 The Proposed Learning Algorithm |
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203 | (4) |
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11.4.1 The Canonical Iteration |
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203 | (1) |
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204 | (1) |
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11.4.3 Online Dictionary Learning |
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205 | (1) |
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11.4.3.1 Dictionary for the Linear Component |
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206 | (1) |
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11.4.3.2 Dictionary for the Gaussian Component |
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206 | (1) |
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11.4.4 The Online Learning Algorithm |
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206 | (1) |
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207 | (1) |
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208 | (5) |
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Appendix A Derivation of the Sparsification Metric and the Projections onto the Subspace Spanned by the Nonlinear Dictionary |
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210 | (1) |
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211 | (2) |
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12 Machine Learning for Joint Channel Equalization and Signal Detection |
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213 | (30) |
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213 | (1) |
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12.2 Overview of Neural Network-Based Channel Equalization |
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214 | (5) |
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12.2.1 Multilayer Perceptron-Based Equalizers |
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215 | (1) |
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12.2.2 Functional Link Artificial Neutral Network-Based Equalizers |
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215 | (1) |
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12.2.3 Radial Basis Function-Based Equalizers |
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216 | (1) |
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12.2.4 Recurrent Neural Networks-Based Equalizers |
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216 | (1) |
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12.2.5 Self-Constructing Recurrent Fuzzy Neural Network-Based Equalizers |
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217 | (1) |
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12.2.6 Deep-Learning-Based Equalizers |
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217 | (1) |
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12.2.7 Extreme Learning Machine-Based Equalizers |
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218 | (1) |
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12.2.8 SVM- and GPR-Based Equalizers |
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218 | (1) |
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12.3 Principles of Equalization and Detection |
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219 | (4) |
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12.4 NN-Based Equalization and Detection |
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223 | (9) |
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12.4.1 Multilayer Perceptron Model |
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223 | (1) |
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12.4.1.1 Generalized Multilayer Perceptron Structure |
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224 | (1) |
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12.4.1.2 Gradient Descent Algorithm |
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225 | (1) |
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12.4.1.3 Forward and Backward Propagation |
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226 | (1) |
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12.4.2 Deep-Learning Neural Network-Based Equalizers |
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227 | (1) |
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12.4.2.1 System Model and Network Structure |
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227 | (1) |
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12.4.2.2 Network Training |
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228 | (1) |
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12.4.3 Convolutional Neural Network-Based Equalizers |
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229 | (2) |
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12.4.4 Recurrent Neural Network-Based Equalizers |
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231 | (1) |
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12.5 Performance of OFDM Systems With Neural Network-Based Equalization |
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232 | (4) |
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12.5.1 System Model and Network Structure |
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232 | (1) |
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12.5.2 DNN and CNN Network Structure |
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233 | (1) |
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12.5.3 Offline Training and Online Deployment |
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234 | (1) |
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12.5.4 Simulation Results and Analyses |
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235 | (1) |
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12.6 Conclusions and Discussion |
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236 | (7) |
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237 | (6) |
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13 Neural Networks for Signal Intelligence: Theory and Practice |
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243 | (22) |
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243 | (1) |
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13.2 Overview of Artificial Neural Networks |
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244 | (4) |
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13.2.1 Feedforward Neural Networks |
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244 | (3) |
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13.2.2 Convolutional Neural Networks |
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247 | (1) |
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13.3 Neural Networks for Signal Intelligence |
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248 | (7) |
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13.3.1 Modulation Classification |
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249 | (3) |
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13.3.2 Wireless Interference Classification |
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252 | (3) |
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13.4 Neural Networks for Spectrum Sensing |
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255 | (4) |
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256 | (1) |
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13.4.2 Background on System-on-Chip Computer Architecture |
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256 | (1) |
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13.4.3 A Design Framework for Real-Time RF Deep Learning |
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257 | (1) |
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13.4.3.1 High-Level Synthesis |
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257 | (1) |
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258 | (1) |
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259 | (1) |
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13.5.1 Lack of Large-Scale Wireless Signal Datasets |
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259 | (1) |
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13.5.2 Choice of I/Q Data Representation Format |
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259 | (1) |
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13.5.3 Choice of Learning Model and Architecture |
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260 | (1) |
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260 | (5) |
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260 | (5) |
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14 Channel Coding with Deep Learning: An Overview |
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265 | (22) |
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14.1 Overview of Channel Coding and Deep Learning |
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265 | (3) |
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265 | (1) |
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266 | (2) |
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14.2 DNNs for Channel Coding |
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268 | (9) |
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14.2.1 Using DNNs to Decode Directly |
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269 | (2) |
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271 | (1) |
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14.2.3 DNNs for Joint Equalization and Channel Decoding |
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272 | (2) |
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14.2.4 A Unified Method to Decode Multiple Codes |
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274 | (2) |
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276 | (1) |
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277 | (2) |
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14.3.1 Decoding by Eliminating Correlated Channel Noise |
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277 | (2) |
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14.3.1.1 BP-CNN Reduces Decoding BER |
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279 | (1) |
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14.3.1.2 Multiple Iterations Between CNN and BP Further Improve Performance |
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279 | (1) |
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279 | (1) |
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279 | (4) |
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14.4.1 Using RNNs to Decode Sequential Codes |
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279 | (2) |
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14.4.2 Improving the Standard BP Algorithm with RNNs |
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281 | (2) |
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283 | (1) |
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283 | (4) |
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283 | (4) |
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15 Deep Learning Techniques for Decoding Polar Codes |
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287 | (16) |
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15.1 Motivation and Background |
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287 | (2) |
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15.2 Decoding of Polar Codes: An Overview |
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289 | (3) |
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15.2.1 Problem Formulation of Polar Codes |
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289 | (1) |
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15.2.2 Successive-Cancellation Decoding |
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290 | (1) |
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15.2.3 Successive-Cancellation List Decoding |
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291 | (1) |
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15.2.4 Belief Propagation Decoding |
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291 | (1) |
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15.3 DL-Based Decoding for Polar Codes |
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292 | (7) |
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15.3.1 Off-the-Shelf DL Decoders for Polar Codes |
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292 | (1) |
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15.3.2 DL-Aided Decoders for Polar Codes |
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293 | (1) |
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15.3.2.1 Neural Belief Propagation Decoders |
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293 | (2) |
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15.3.2.2 Joint Decoder and Noise Estimator |
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295 | (1) |
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296 | (3) |
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299 | (4) |
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299 | (4) |
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16 Neural Network-Based Wireless Channel Prediction |
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303 | (24) |
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303 | (2) |
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16.2 Adaptive Transmission Systems |
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305 | (2) |
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16.2.1 Transmit Antenna Selection |
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305 | (1) |
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16.2.2 Opportunistic Relaying |
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306 | (1) |
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16.3 The Impact of Outdated CSI |
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307 | (2) |
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16.3.1 Modeling Outdated CSI |
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307 | (1) |
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16.3.2 Performance Impact |
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308 | (1) |
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16.4 Classical Channel Prediction |
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309 | (4) |
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16.4.1 Autoregressive Models |
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310 | (1) |
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311 | (2) |
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16.5 NN-Based Prediction Schemes |
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313 | (10) |
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16.5.1 The RNN Architecture |
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313 | (1) |
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16.5.2 Flat-Fading SISO Prediction |
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314 | (1) |
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16.5.2.1 Channel Gain Prediction with a Complex-Valued RNN |
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314 | (1) |
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16.5.2.2 Channel Gain Prediction with a Real-Valued RNN |
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315 | (1) |
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16.5.2.3 Channel Envelope Prediction |
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315 | (1) |
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16.5.2.4 Multi-Step Prediction |
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316 | (1) |
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16.5.3 Flat-Fading MIMO Prediction |
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316 | (1) |
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16.5.3.1 Channel Gain Prediction |
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317 | (1) |
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16.5.3.2 Channel Envelope Prediction |
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317 | (1) |
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16.5.4 Frequency-Selective MIMO Prediction |
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317 | (2) |
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16.5.5 Prediction-Assisted MIMO-OFDM |
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319 | (1) |
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16.5.6 Performance and Complexity |
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320 | (1) |
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16.5.6.1 Computational Complexity |
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320 | (1) |
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321 | (2) |
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323 | (4) |
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323 | (4) |
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Part III Network Intelligence and Adaptive System Optimization |
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327 | (132) |
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17 Machine Learning for Digital Front-End: a Comprehensive Overview |
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329 | (54) |
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17.1 Motivation and Background |
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329 | (2) |
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17.2 Overview of CFR and DPD |
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331 | (10) |
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17.2.1 Crest Factor Reduction Techniques |
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331 | (3) |
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17.2.2 Power Amplifier Behavioral Modeling |
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334 | (1) |
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17.2.3 Closed-Loop Digital Predistortion Linearization |
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335 | (2) |
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337 | (1) |
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17.2.4.1 Ridge Regression or Tikhonov 2 Regularization |
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338 | (1) |
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17.2.4.2 LASSO or 1x Regularization |
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339 | (1) |
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340 | (1) |
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17.3 Dimensionality Reduction and ML |
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341 | (9) |
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341 | (2) |
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17.3.2 Dimensionality Reduction Applied to DPD Linearization |
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343 | (2) |
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17.3.3 Greedy Feature-Selection Algorithm: OMP |
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345 | (1) |
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17.3.4 Principal Component Analysis |
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345 | (3) |
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17.3.5 Partial Least Squares |
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348 | (2) |
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17.4 Nonlinear Neural Network Approaches |
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350 | (18) |
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17.4.1 Introduction to ANN Topologies |
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350 | (3) |
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17.4.2 Design Considerations for Digital Linearization and RF Impairment Correction |
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353 | (1) |
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17.4.2.1 ANN Architectures for Single-Antenna DPD |
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354 | (1) |
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17.4.2.2 ANN Architectures for MIMO DPD, I/Q Imbalances, and DC Offset Correction |
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355 | (2) |
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17.4.2.3 ANN Training and Parameter Extraction Procedure |
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357 | (4) |
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17.4.2.4 Validation Methodologies and Key Performance Index |
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361 | (3) |
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17.4.3 ANN for CFR: Design and Key Performance Index |
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364 | (1) |
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364 | (1) |
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365 | (1) |
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366 | (2) |
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17.4.3.4 Clipping and Filtering |
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368 | (1) |
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17.5 Support Vector Regression Approaches |
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368 | (5) |
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17.6 Further Discussion and Conclusions |
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373 | (10) |
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374 | (9) |
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18 Neural Networks for Full-Duplex Radios: Self-Interference Cancellation |
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383 | (14) |
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Alexios Balatsoukas-Stimming |
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18.1 Nonlinear Self-Interference Models |
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384 | (2) |
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18.1.1 Nonlinear Self-Interference Model |
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385 | (1) |
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18.2 Digital Self-Interference Cancellation |
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386 | (5) |
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18.2.1 Linear Cancellation |
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386 | (1) |
|
18.2.2 Polynomial Nonlinear Cancellation |
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387 | (1) |
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18.2.3 Neural Network Nonlinear Cancellation |
|
|
387 | (2) |
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18.2.4 Computational Complexity |
|
|
389 | (1) |
|
18.2.4.1 Linear Cancellation |
|
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389 | (1) |
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18.2.4.2 Polynomial Nonlinear Cancellation |
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|
390 | (1) |
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18.2.4.3 Neural Network Nonlinear Cancellation |
|
|
390 | (1) |
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18.3 Experimental Results |
|
|
391 | (2) |
|
18.3.1 Experimental Setup |
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|
391 | (1) |
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18.3.2 Self-Interference Cancellation Results |
|
|
391 | (1) |
|
18.3.3 Computational Complexity |
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|
392 | (1) |
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393 | (4) |
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|
394 | (1) |
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|
395 | (2) |
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19 Machine Learning for Context-Aware Cross-Layer Optimization |
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397 | (28) |
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397 | (2) |
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399 | (3) |
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19.3 Problem Formulation and Analytical Framework |
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|
402 | (7) |
|
19.3.1 Fog-Enabled Multi-Tier Operations Scheduling (FEMOS) Algorithm |
|
|
403 | (2) |
|
19.3.2 Theoretical and Numerical Analysis |
|
|
405 | (1) |
|
19.3.2.1 Theoretical Analysis |
|
|
405 | (1) |
|
19.3.2.2 Numerical Analysis |
|
|
406 | (3) |
|
19.4 Predictive Multi-tier Operations Scheduling (PMOS) Algorithm |
|
|
409 | (64) |
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|
409 | (2) |
|
19.4.2 Theoretical Analysis |
|
|
411 | (2) |
|
19.4.3 Numerical Analysis |
|
|
413 | (1) |
|
19.5 A Multi-tier Cost Model for User Scheduling in Fog Computing Networks |
|
|
413 | (1) |
|
19.5.1 System Model and Problem Formulation |
|
|
413 | (3) |
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|
416 | (2) |
|
19.5.3 Performance Evaluation |
|
|
418 | (2) |
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|
420 | (5) |
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|
421 | (4) |
|
20 Physical-Layer Location Verification by Machine Learning |
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|
425 | (14) |
|
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|
|
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20.1 IRLV by Wireless Channel Features |
|
|
427 | (1) |
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|
428 | (1) |
|
20.2 ML Classification for IRLV |
|
|
428 | (3) |
|
|
429 | (1) |
|
20.2.2 Support Vector Machines |
|
|
430 | (1) |
|
20.2.3 ML Classification Optimality |
|
|
431 | (1) |
|
20.3 Learning Phase Convergence |
|
|
431 | (2) |
|
20.3.1 Fundamental Learning Theorem |
|
|
431 | (1) |
|
20.3.2 Simulation Results |
|
|
432 | (1) |
|
20.4 Experimental Results |
|
|
433 | (4) |
|
|
437 | (2) |
|
|
437 | (2) |
|
21 Deep Multi-Agent Reinforcement Learning for Cooperative Edge Caching |
|
|
439 | (20) |
|
|
|
|
|
439 | (2) |
|
|
441 | (2) |
|
21.2.1 Multi-Cell Network Model |
|
|
441 | (1) |
|
21.2.2 Single-Cell Network Model with D2D Communication |
|
|
442 | (1) |
|
|
443 | (1) |
|
|
443 | (3) |
|
|
443 | (1) |
|
21.3.2 Transmission Delay |
|
|
444 | (2) |
|
21.4 Deep Actor-Critic Framework for Content Caching |
|
|
446 | (2) |
|
21.5 Application to the Multi-Cell Network |
|
|
448 | (4) |
|
21.5.1 Experimental Settings |
|
|
448 | (1) |
|
|
448 | (1) |
|
21.5.3 Simulation Results |
|
|
449 | (1) |
|
|
449 | (1) |
|
21.5.3.2 Transmission Delay |
|
|
450 | (1) |
|
21.5.3.3 Time-Varying Scenario |
|
|
451 | (1) |
|
21.6 Application to the Single-Cell Network with D2D Communications |
|
|
452 | (2) |
|
21.6.1 Experimental Settings |
|
|
452 | (1) |
|
|
452 | (1) |
|
21.6.3 Simulation Results |
|
|
453 | (1) |
|
|
453 | (1) |
|
21.6.3.2 Transmission Delay |
|
|
454 | (1) |
|
|
454 | (5) |
|
|
455 | (4) |
Index |
|
459 | |