About the Editors |
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xvii | |
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xxi | |
Preface |
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xxv | |
Abbreviations |
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xxix | |
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1 Introduction: From Cognitive Radio to Modern Spectrum Sharing |
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1 | (16) |
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1.1 A Brief History of Spectrum Sharing |
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1 | (2) |
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3 | (2) |
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5 | (9) |
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14 | (3) |
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2 Regulation and Standardization Activities Related to Spectrum Sharing |
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17 | (18) |
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Maria Dolores (Lola) Perez Guirao |
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Srikathyayani Srikanteswara |
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17 | (2) |
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19 | (9) |
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2.2.1 Licensed Shared Access |
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19 | (2) |
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2.2.2 Evolved Licensed Shared Access |
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21 | (3) |
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2.2.3 Citizen Broadband Radio System |
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24 | (1) |
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25 | (3) |
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28 | (7) |
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2.3.1 European Conference of Postal and Telecommunications Administrations |
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28 | (1) |
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2.3.2 Federal Communications Commission |
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29 | (1) |
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2.3.3 A Comparison: (e)LSA vs CBRS Regulation Framework |
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30 | (1) |
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31 | (1) |
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32 | (3) |
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3 White Spaces and Database-assisted Spectrum Sharing |
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35 | (24) |
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35 | (1) |
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3.2 Demand for Spectrum Outstrips Supply |
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36 | (2) |
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3.2.1 Making Room for New Wireless Technology |
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36 | (1) |
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37 | (1) |
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3.3 Three-tier Access Model |
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38 | (2) |
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3.3.1 Secondary Users: Exploiting Gaps left by Primary Users |
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39 | (1) |
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3.3.2 Passive Users: Vulnerable to Transmissions in White Space Frequencies |
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39 | (1) |
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3.3.3 Opportunistic Spectrum Users |
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40 | (1) |
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3.4 What is Efficient Use of Spectrum? |
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40 | (3) |
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3.4.1 Broadcasters prefer Large Coverage Areas with Lower Spectrum Reuse |
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41 | (1) |
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3.4.2 ISPs Respond to Growing Bandwidth Demand from Subscribers |
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41 | (1) |
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3.4.3 Protection of Primary Users Defines the Scope for Sharing |
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42 | (1) |
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3.5 Tapping Unused Capacity: the Evolution of Spectrum Sharing |
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43 | (5) |
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3.5.1 Traditional Coordination is a Slow and Expensive Process |
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44 | (1) |
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3.5.2 License-exempt Access as the Default Spectrum Sharing Mechanism |
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44 | (1) |
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3.5.3 DSA offers Lower Friction and more Scalability |
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45 | (1) |
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3.5.3.1 Early days of DSA |
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46 | (1) |
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3.5.3.2 CR: Towards Flexible, Adaptive, Ad Hoc Access |
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46 | (1) |
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3.5.4 Spectrum Databases are Preferred by Regulators |
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47 | (1) |
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3.6 Determining which Frequencies are Available to Share: Technology |
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48 | (5) |
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3.6.1 CR: Its Original Sense |
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48 | (1) |
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3.6.2 DSA is more Pragmatic and Immediately Applicable |
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48 | (1) |
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48 | (1) |
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3.6.3.1 Hidden Nodes: Limiting the Scope/Certainty of Sensing |
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49 | (1) |
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3.6.3.2 Overcoming the Hidden Node Problem: a Cooperative Approach |
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49 | (1) |
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50 | (1) |
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3.6.5 Spectrum Databases used with Device Geolocation |
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51 | (2) |
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3.7 Implementing Flexible Spectrum Access |
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53 | (1) |
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3.7.1 Software-defined Radio Underpins Flexibility |
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53 | (1) |
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3.7.2 Regulation Needs to Adapt to the New Flexibility in Radio Devices |
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54 | (1) |
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3.8 Foundations for More Flexible Access in the Future |
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54 | (5) |
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3.8.1 Finer-grained Spectrum Access Management |
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54 | (1) |
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3.8.2 More Flexible License Exemption |
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54 | (1) |
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3.8.2.1 Towards a UHF Spectrum Commons or Superhighway |
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55 | (1) |
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56 | (1) |
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57 | (2) |
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4 Evolving Spectrum Sharing Methods, Standards and Trials: TVWS, CBRS, MulteFire and More |
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59 | (16) |
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59 | (1) |
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59 | (7) |
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59 | (2) |
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4.2.2 Operating Standards |
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61 | (2) |
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4.2.3 Overview of TVWS Trials and Projects |
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63 | (3) |
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4.3 Emerging Shared Spectrum Technologies |
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66 | (7) |
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66 | (1) |
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67 | (3) |
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4.3.3 Other Shared Spectrum LTE Solutions |
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70 | (3) |
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73 | (2) |
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73 | (2) |
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5 Spectrum Above Radio Bands |
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75 | (22) |
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5.1 Introduction and Motivation for mmWave |
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75 | (1) |
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5.2 mmWave Communication: What is Different? |
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76 | (2) |
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5.2.1 Distinguishing Features |
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76 | (1) |
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76 | (1) |
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5.2.3 Opportunity and Need for Sharing |
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77 | (1) |
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5.3 Bands in Above-6 GHz Spectrum |
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78 | (2) |
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5.3.1 26-GHz band: 24.25--27.5 GHz |
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79 | (1) |
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5.3.2 28-GHz band: 27.5--29.5 GHz |
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79 | (1) |
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5.3.3 32-GHz band: 31.8--33.4 GHz |
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79 | (1) |
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5.3.4 40-GHz band: 37--43.5 GHz |
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79 | (1) |
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5.3.4.1 40-GHz lower band |
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80 | (1) |
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5.3.4.2 40-GHz upper band |
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80 | (1) |
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80 | (1) |
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5.4 Spectrum Sharing over mmWave Bands |
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80 | (4) |
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5.4.1 Factors Determining Sharing vs No Sharing |
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80 | (1) |
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81 | (1) |
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5.4.1.2 Deployment and Blockage Density |
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81 | (1) |
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5.4.1.3 Traffic Characteristics |
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82 | (1) |
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5.4.1.4 Amount of Sharing |
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82 | (1) |
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5.4.1.5 Inter-operator Coordination |
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82 | (1) |
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5.4.1.6 Sharing of Other Resources |
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83 | (1) |
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5.4.1.7 Multi-user Communication |
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84 | (1) |
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5.4.1.8 Technical vs Financial Gains |
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84 | (1) |
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5.5 Spectrum Sharing Options for mmWave Bands |
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84 | (9) |
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5.5.1 Exclusive Licensing |
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84 | (1) |
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5.5.2 Unlicensed Spectrum |
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85 | (1) |
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5.5.2.1 Hybrid Spectrum Access |
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86 | (1) |
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5.5.3 Spectrum License Sharing |
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87 | (1) |
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5.5.3.1 Uncoordinated Sharing of Spectrum Licenses |
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87 | (1) |
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5.5.3.2 Restricted Sharing of Spectrum Licenses |
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88 | (2) |
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90 | (1) |
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90 | (1) |
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5.5.4.2 Partial or Fully Coordinated |
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90 | (1) |
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91 | (1) |
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5.5.4.4 Sensing/D2D Communication-based Coordination |
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91 | (1) |
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5.5.5 Secondary Licenses and Markets |
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91 | (1) |
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5.5.5.1 Primary/Secondary Markets |
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92 | (1) |
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5.5.5.2 Third-party Markets |
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92 | (1) |
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5.5.6 Increasing the utilization of spectrum |
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92 | (1) |
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93 | (4) |
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93 | (4) |
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6 The Licensed Shared Access Approach |
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97 | (24) |
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6.1 Introduction to Spectrum Management |
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97 | (1) |
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6.2 The Dawn of Licensed Shared Access |
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98 | (5) |
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6.2.1 The LSA Regulatory Environment |
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99 | (2) |
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6.2.2 LSA/ASA in the 2300--2400 MHz band |
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101 | (2) |
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6.3 An Improved LSA Network Architecture |
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103 | (3) |
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6.4 Operation of the Improved Architecture in Dynamic LSA Use Cases |
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106 | (9) |
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107 | (2) |
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6.4.2 Macro-cellular Scenario |
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109 | (3) |
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6.4.3 Small Cell Scenario |
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112 | (3) |
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115 | (6) |
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116 | (5) |
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7 Collaborative Sensing Techniques |
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121 | (26) |
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7.1 Sparse Signal Representation |
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123 | (2) |
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125 | (3) |
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7.3 Collaborative Sparse Sensing |
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128 | (6) |
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7.3.1 Coherent Sparse Reconstruction |
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129 | (2) |
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7.3.2 Non-Coherent Sparse Reconstruction |
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131 | (3) |
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7.4 Estimation Performance |
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134 | (4) |
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7.4.1 Comparison of Centralized, Distributed, and Collaborative Sensing |
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134 | (2) |
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7.4.2 Source Localization |
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136 | (2) |
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138 | (9) |
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139 | (8) |
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8 Cooperative Communication Techniques for Spectrum Sharing |
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147 | (22) |
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147 | (2) |
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8.2 Distributed Precoding Exploiting Commonly Available Statistical CSIT for Efficient Coordination |
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149 | (6) |
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8.2.1 Problem Formulation |
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150 | (1) |
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8.2.2 Distributed Statistically Coordinated Precoding |
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151 | (2) |
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8.2.3 Performance Evaluation |
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153 | (2) |
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8.3 A Statistical Channel and Primary Traffic-aware Cooperation Framework for Optimal Service Coexistence |
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155 | (9) |
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8.3.1 Joint Design of Spectrum Sensing and Reception for a SIMO Hybrid CR System |
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156 | (2) |
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8.3.1.1 Problem Formulation and Solution Framework |
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158 | (1) |
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8.3.1.2 Performance Evaluation |
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159 | (2) |
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8.3.2 Throughput Performance of Sensing-optimized Hybrid MIMO CR Systems |
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161 | (1) |
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8.3.2.1 Problem Formulation and Solution Framework |
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161 | (1) |
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8.3.2.2 Performance Evaluation |
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162 | (2) |
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164 | (5) |
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165 | (4) |
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9 Reciprocity-Based Beamforming Techniques for Spectrum Sharing in MIMO Networks |
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169 | (22) |
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9.1 Multi-antenna Cognitive Radio Paradigms |
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169 | (2) |
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9.1.1 Spatial Overlay: MISO/MIMO Interference Channel |
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170 | (1) |
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170 | (1) |
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170 | (1) |
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9.2 From Multi-antenna Underlay to LSA Coordinated Beamforming |
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171 | (4) |
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9.2.1 CoBF and CSIT Discussion |
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171 | (2) |
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173 | (1) |
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9.2.3 Noncoherent Multi-user MIMO Communications using Covariance CSIT |
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174 | (1) |
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9.3 TDD Reciprocity Calibration |
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175 | (7) |
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175 | (3) |
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9.3.2 Diagonality of the Calibration Matrix |
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178 | (1) |
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9.3.3 Coherent and Non-coherent Calibration Scheme |
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178 | (1) |
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9.3.4 UE-aided vs Internal Calibration |
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179 | (1) |
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9.3.5 Group Calibration System Model |
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179 | (2) |
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9.3.6 Least-squares Solution |
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181 | (1) |
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181 | (1) |
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9.4 MIMO IBC Beamformer Design |
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182 | (2) |
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182 | (1) |
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9.4.2 WSR Optimization via WSMSE |
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182 | (1) |
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9.4.3 Naive UL/DL Duality-based Beamformer Exploiting Reciprocity |
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183 | (1) |
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9.5 Experimental Validation |
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184 | (4) |
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188 | (3) |
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188 | (3) |
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10 Spectrum Sharing with Full Duplex |
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191 | (22) |
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191 | (1) |
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10.2 Transceiver Design for an FD MIMO CR Cellular Network |
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192 | (11) |
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192 | (1) |
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10.2.1.1 Signal and Channel Model |
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192 | (2) |
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194 | (1) |
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10.2.1.3 MSEofthe Received Data Stream |
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195 | (1) |
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10.2.2 Joint Transceiver Design |
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196 | (1) |
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10.2.3 Imperfect CSI and Robust Design |
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197 | (1) |
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197 | (1) |
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198 | (1) |
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10.2.3.3 Robust Transceiver Design |
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198 | (2) |
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200 | (3) |
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10.3 Transceiver Design for an FD MIMO IoT Network |
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203 | (6) |
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204 | (1) |
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10.3.1.1 Signal and Channel Model |
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204 | (1) |
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205 | (1) |
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10.3.1.3 MSE of the Received Data Stream |
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206 | (1) |
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10.3.2 Joint Transceiver Design |
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206 | (1) |
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10.3.3 Imperfect CSI and Robust Design |
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207 | (1) |
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208 | (1) |
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209 | (4) |
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210 | (1) |
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211 | (1) |
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211 | (2) |
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11 Communication and Radar Systems: Spectral Coexistence and Beyond |
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213 | (16) |
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11.1 Background and Applications |
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213 | (1) |
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11.1.1 Civilian Applications |
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213 | (1) |
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11.1.2 Military Applications |
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214 | (1) |
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214 | (2) |
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11.3 Radar Communication Coexistence |
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216 | (5) |
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11.3.1 Opportunistic Access |
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216 | (1) |
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216 | (1) |
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11.3.2.1 Interfering Channel Estimation |
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216 | (2) |
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11.3.2.2 Closed-form Precoding |
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218 | (1) |
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11.3.2.3 Optimization-based Precoding |
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219 | (2) |
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11.4 Dual-functional Radar Communication Systems |
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221 | (1) |
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11.4.1 Temporal and Spectral Processing |
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221 | (1) |
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11.4.2 Spatial Processing |
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222 | (3) |
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11.5 Summary and Open Problems |
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225 | (1) |
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226 | (3) |
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12 The Role of Antenna Arrays in Spectrum Sharing |
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229 | (1) |
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229 | (1) |
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229 | (4) |
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12.2.1 Spectrum Sharing from a Physical Viewpoint |
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229 | (2) |
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12.2.2 Spectrum Sharing from a Regulatory Viewpoint |
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231 | (2) |
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12.3 Attributes of Antenna Arrays |
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233 | (1) |
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12.4 Impact of Arrays on Spectrum Sharing |
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234 | (1) |
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234 | (1) |
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12.4.2 Shared Spectrum Access |
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234 | (1) |
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12.5 Antenna-Array-Aided Spectrum Sharing |
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235 | (10) |
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235 | (1) |
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236 | (1) |
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237 | (1) |
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12.5.3.1 Secondary System |
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237 | (1) |
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238 | (1) |
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12.5.4 Problem Formulation |
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238 | (1) |
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12.5.4.1 Sum-SE, SE, and SINR |
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238 | (1) |
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12.5.4.2 Transmission Constraints |
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239 | (1) |
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12.5.4.3 Original Optimization Problem |
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239 | (1) |
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12.5.4.4 Relaxed Optimization Problem |
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240 | (2) |
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12.5.5 Solution and Algorithm |
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242 | (1) |
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12.5.5.1 Solution for Other Linear Precoding Schemes |
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242 | (1) |
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12.5.6 Performance Evaluation via Numerical Simulations |
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243 | (2) |
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12.6 Antenna-Array-Aided Spectrum Sensing |
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245 | (8) |
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12.6.1 Printed Yagi-Uda Arrays and Hex-Antenna Nodes |
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246 | (2) |
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248 | (1) |
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12.6.3 Collaborative Spectrum Sensing Techniques |
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249 | (1) |
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12.6.4 Experimental Results |
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250 | (3) |
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12.6.4.1 Detection in High SNR |
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253 | (1) |
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12.6.4.2 Detection in Low SNR |
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253 | (1) |
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12.7 Summary and Conclusions |
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253 | (4) |
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253 | (1) |
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254 | (3) |
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13 Resource Allocation for Shared Spectrum Networks |
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257 | (22) |
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257 | (2) |
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13.2 Information-theoretic Background |
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259 | (2) |
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13.3 Types of Spectrum Sharing |
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261 | (2) |
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13.4 Resource Allocation for Efficient Spectrum Sharing |
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263 | (7) |
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13.4.1 Multi-objective Programming |
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263 | (2) |
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13.4.2 Resource Allocation Games |
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265 | (2) |
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13.4.3 Resource Matching for Spectrum Sharing |
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267 | (3) |
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13.5 Resource and Spectrum Trading |
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270 | (5) |
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13.6 Conclusions and Future Work |
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275 | (4) |
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275 | (4) |
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14 Unlicensed Spectrum Access in 3GPP |
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279 | (26) |
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279 | (1) |
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14.2 LTE-WLAN Aggregation at the PDCP Layer |
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280 | (4) |
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14.2.1 User Plane Radio Protocol Architecture |
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281 | (1) |
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14.2.2 Bearer Type and Aggregation |
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282 | (1) |
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14.2.3 Flow Control Schemes |
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283 | (1) |
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14.3 LTE-WLAN Integration at IP Layer |
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284 | (3) |
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14.3.1 User Plane Radio Protocol Architecture |
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284 | (2) |
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14.3.2 Flow Control Schemes |
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286 | (1) |
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14.4 LTE in Unlicensed Band |
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287 | (7) |
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14.4.1 Spectrum and Regulations |
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287 | (1) |
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288 | (1) |
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289 | (1) |
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14.4.4 Discovery Reference Signal and RRM |
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290 | (1) |
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14.4.5 Uplink Enhancements |
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291 | (3) |
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14.5 Performance Evaluation |
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294 | (7) |
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14.5.1 Aggregation Gains of LWA and LWIP |
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294 | (4) |
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14.5.2 Performance Advantages of LAA |
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298 | (3) |
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301 | (1) |
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14.6.15 G New Radio in Unlicensed Band |
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301 | (1) |
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14.6.2 The Role of WLAN in the 5G System |
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302 | (1) |
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302 | (3) |
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303 | (2) |
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15 Performance Analysis of Spatial Spectrum Reuse in Ultradense Networks |
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305 | (16) |
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305 | (1) |
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15.2 Network Scenario and System Model |
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306 | (2) |
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306 | (1) |
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15.2.2 Wireless System Model |
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307 | (1) |
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15.3 Performance Analysis of Full Spectrum Reuse Network |
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308 | (4) |
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15.3.1 The Coverage Probability |
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308 | (3) |
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15.3.2 The Area Spectral Efficiency |
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311 | (1) |
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15.4 Performance with Multi-channel Spectrum Reuse |
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312 | (1) |
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15.5 Simulation and Discussion |
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312 | (4) |
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15.5.1 Performance with Full Spectrum Reuse Strategy |
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313 | (1) |
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15.5.2 Performance with Multi-channel Spectrum Reuse Strategy |
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314 | (2) |
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316 | (5) |
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316 | (1) |
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15.A.1 Proof of Lemma 15.1 |
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316 | (1) |
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15.A.2 Proof of Lemma 15.2 |
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317 | (1) |
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15.A.3 Proof of Theorem 15.1 |
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318 | (1) |
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318 | (3) |
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16 Large-scale Wireless Spectrum Monitoring: Challenges and Solutions based on Machine Learning |
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321 | (20) |
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321 | (2) |
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323 | (1) |
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16.3 Wireless Spectrum Analysis |
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|
324 | (11) |
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|
324 | (4) |
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16.3.2 Performance Comparisons |
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328 | (3) |
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16.3.3 Wireless Signal Classification |
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331 | (1) |
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16.3.3.1 Fully Supervised Models |
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331 | (1) |
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16.3.3.2 Semi-supervised Models |
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332 | (1) |
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16.3.3.3 Performance-friendly Models |
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333 | (2) |
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16.4 Future Research Directions |
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335 | (2) |
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336 | (1) |
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16.4.2 Anomaly Geo-localization |
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|
336 | (1) |
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16.4.3 Crowd Engagement and Sustainability |
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336 | (1) |
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337 | (4) |
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|
337 | (4) |
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17 Policy Enforcement in Dynamic Spectrum Sharing |
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341 | (20) |
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341 | (1) |
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17.2 Technical Background |
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|
342 | (1) |
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17.3 Security and Privacy Threats |
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|
343 | (4) |
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17.3.1 Sensing-driven Spectrum Sharing |
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343 | (1) |
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17.3.1.1 PHY-layer Threats |
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|
344 | (1) |
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17.3.1.2 MAC-layer Threats |
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|
344 | (1) |
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17.3.1.3 Cross-layer Threats |
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|
345 | (1) |
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17.3.2 Database-driven Spectrum Sharing |
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|
345 | (1) |
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17.3.2.1 PHY-layer Threats |
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|
346 | (1) |
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17.3.2.2 Threats to the Database Access Protocol |
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|
346 | (1) |
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17.3.2.3 Threats to the Privacy of Users |
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|
346 | (1) |
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17.4 Enforcement Approaches |
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|
347 | (7) |
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17.4.1 Ex Ante (Preventive) Approaches |
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|
348 | (1) |
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17.4.1.1 Device Hardening |
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|
348 | (2) |
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17.4.1.2 Network Hardening |
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350 | (1) |
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17.4.1.3 Privacy Preservation |
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|
351 | (1) |
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17.4.2 Ex Post (Punitive) Approaches |
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|
352 | (1) |
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17.4.2.1 Spectrum Monitoring |
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|
352 | (1) |
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17.4.2.2 Spectrum Forensics |
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352 | (1) |
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353 | (1) |
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353 | (1) |
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354 | (1) |
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17.5.1 Research Challenges |
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354 | (1) |
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17.5.2 Regulatory Challenges |
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354 | (1) |
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355 | (6) |
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|
355 | (6) |
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18 Economics of Spectrum Sharing, Valuation, and Secondary Markets |
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|
361 | (28) |
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361 | (2) |
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18.2 Spectrum Scarcity, Regulation, and Market Trends |
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363 | (7) |
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18.3 Estimating Spectrum Values |
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|
370 | (3) |
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18.4 Growing Demand for Spectrum |
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|
373 | (2) |
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18.5 5G Future and Spectrum Economics |
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375 | (6) |
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18.6 Secondary Markets and Sharing |
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|
381 | (3) |
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384 | (5) |
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|
385 | (4) |
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19 The Future Outlook for Spectrum Sharing |
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|
389 | (16) |
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|
389 | (1) |
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19.2 Share and Share Alike |
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|
390 | (3) |
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19.3 Regulators Recognize the Value of Shared Access |
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|
393 | (2) |
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19.4 The True Demand for Spectrum |
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|
395 | (2) |
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19.5 The Impact of Sharing on Spectrum Demand |
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|
397 | (2) |
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19.6 General Authorization needed to Encourage Sharing |
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|
399 | (2) |
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19.7 The Long-term Outlook for Spectrum Sharing |
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|
401 | (4) |
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|
403 | (2) |
Index |
|
405 | |