About the editors |
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xiii | |
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1 Introduction to antennas and propagation for 5G and beyond |
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1 | (12) |
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1.1 Scope of the 5G networks |
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3 | (1) |
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1.2 Standardisation and spectrum allocation for 5G |
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4 | (1) |
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1.3 Millimetre-wave networks: limitations and mitigation |
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5 | (2) |
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1.4 Antennas and propagation for 5G and beyond |
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7 | (1) |
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8 | (1) |
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9 | (4) |
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2 Antennas for 5G: state-of-the-art and open challenges |
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13 | (22) |
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13 | (2) |
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2.2 Key features of 5G antennas |
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15 | (3) |
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2.3 Massive MIMO antenna technology |
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18 | (6) |
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2.3.1 Antenna array topology |
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19 | (1) |
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2.3.2 Single user (SU)-MIMO and multiple user (MU)-MIMO |
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20 | (1) |
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2.3.3 Beamforming antennas in 5G massive MIMO |
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21 | (2) |
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2.3.4 5G MIMO antenna for mobile devices |
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23 | (1) |
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2.4 State-of-the-art phased arrays |
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24 | (3) |
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2.5 5G antenna challenges |
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27 | (3) |
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2.5.1 Active and passive antenna systems |
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27 | (1) |
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2.5.2 Antenna characterization and measurements |
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28 | (1) |
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2.5.3 Challenges with massive MIMO antenna systems |
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29 | (1) |
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30 | (1) |
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30 | (5) |
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3 Metamaterial antennas for 5G and beyond |
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35 | (32) |
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3.1 Channels and antenna requirements for 5G and beyond |
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35 | (7) |
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3.1.1 Channel measurements and capacity estimation |
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36 | (3) |
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3.1.2 Antenna design considerations |
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39 | (2) |
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3.1.3 Reported antenna designs for 5G cellular systems |
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41 | (1) |
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3.2 Metamaterial surfaces (metasurfaces) |
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42 | (2) |
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3.3 Tunability in metamaterial systems |
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44 | (3) |
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3.3.1 Alternative tuning technologies |
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44 | (3) |
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3.4 Leaky-wave antenna and stacked metasurfaces |
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47 | (8) |
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3.4.1 Tuneable HIS-based LWA design |
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49 | (5) |
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3.4.2 Frequency scanning LWA antenna |
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54 | (1) |
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3.5 Millimetre-wave metasurface fabrication |
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55 | (2) |
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3.5.1 Microfabrication for metamaterials |
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56 | (1) |
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57 | (1) |
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57 | (2) |
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59 | (8) |
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4 3D-printed millimetre-wave antennas with spray-coated metalization |
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67 | (34) |
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4.1 Metallic corrugated plate antenna fed using rectangular waveguide |
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67 | (9) |
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67 | (1) |
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4.1.2 Novel corrugated plate antenna operating at 28.5 GHz |
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68 | (1) |
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4.1.3 Radiation mechanism and operation principles |
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69 | (3) |
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4.1.4 Measured results at 28.5 GHz |
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72 | (4) |
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4.2 Metallization techniques for 3D-printed antennas |
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76 | (12) |
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76 | (2) |
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4.2.2 Performance of metallization techniques at 30 GHz |
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78 | (1) |
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78 | (2) |
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4.2.4 Metallization techniques |
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80 | (2) |
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4.2.5 Metallization procedure |
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82 | (1) |
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4.2.6 Operating principles |
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83 | (2) |
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4.2.7 Measured results at 30 GHz |
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85 | (1) |
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4.2.8 Discussion and analysis |
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85 | (3) |
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4.3 Compact 3D-printed antenna |
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88 | (9) |
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4.3.1 Operating principles |
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89 | (2) |
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4.3.2 Fabrication tolerances and antenna performance |
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91 | (6) |
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97 | (4) |
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5 Multiband millimetre-wave antennas for 5G and beyond |
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101 | (22) |
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5.1 Fundamentals of multiband antennas |
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102 | (2) |
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5.1.1 Multiband techniques |
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102 | (2) |
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5.2 Multiband antennas for millimetre-wave 5G and beyond networks |
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104 | (2) |
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5.3 Design of multiband millimetre-wave antenna for 5G and beyond: a case study |
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106 | (13) |
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5.3.1 Concept and topology |
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106 | (2) |
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108 | (2) |
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5.3.3 Antenna performance analysis |
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110 | (7) |
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5.3.4 Comparative analysis |
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117 | (2) |
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119 | (1) |
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119 | (4) |
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6 On-chip antenna: challenges and design considerations |
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123 | (34) |
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123 | (2) |
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6.2 On-chip antenna challenges |
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125 | (10) |
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6.2.1 Incompatible CMOS stack-up |
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125 | (3) |
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6.2.2 Co-design of circuits and on-chip antenna |
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128 | (3) |
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6.2.3 On-chip antenna layout issue |
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131 | (1) |
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6.2.4 On-chip antenna characterization |
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132 | (3) |
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6.3 On-chip antenna overview |
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135 | (10) |
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6.3.1 Gain and radiation efficiency enhancement |
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135 | (6) |
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6.3.2 Co-simulation of OCAs and circuits |
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141 | (2) |
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6.3.3 Advance on-chip antenna characterization methods |
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143 | (2) |
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145 | (4) |
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6.4.1 Drive toward higher frequencies reaching terahertz bands |
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146 | (1) |
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6.4.2 OCA becoming a key for biomedical wireless implants |
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147 | (1) |
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6.4.3 Advanced simulation platforms for codesign of OCAs and circuits |
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148 | (1) |
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6.4.4 Specialized CMOS process for OCA |
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148 | (1) |
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149 | (8) |
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7 Reflectarray antennas: potentials for 5G and beyond |
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157 | (38) |
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159 | (1) |
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7.2 Reflectarray bandwidth enhancement |
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159 | (4) |
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7.3 High-gain reflectarray design techniques |
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163 | (2) |
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7.4 Techniques for high-efficiency reflectarrays |
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165 | (4) |
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7.5 Polarisation diversity in reflectarray |
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169 | (2) |
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7.6 Adaptive beam steering in reflectarrays |
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171 | (2) |
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7.7 Design of a mm-wave reflectarray antenna for 5G communication systems |
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173 | (16) |
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7.7.1 Design and fabrication of unit cells |
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173 | (2) |
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7.7.2 Scattering parameter measurements and analysis |
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175 | (2) |
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7.7.3 Periodic reflectarray design |
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177 | (3) |
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7.7.4 Reflectarray fabrication and radiation-pattern measurements |
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180 | (3) |
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7.7.5 Beam-steering reflectarray |
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183 | (6) |
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189 | (6) |
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8 Performance modelling of wireless Xhaul and associate impact on network provisioning for 5G and beyond |
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195 | (44) |
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Francisco Javier Lopez Martinez |
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8.1 Modelling the performance of a multi-hop hybrid BH |
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198 | (7) |
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198 | (1) |
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8.1.2 BH constraints and characteristics |
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199 | (1) |
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8.1.3 Topology of hybrid BH |
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200 | (1) |
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8.1.4 Hybrid BH performance models |
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201 | (4) |
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8.2 Modelling the performance of the wireless BH |
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205 | (15) |
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206 | (3) |
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8.2.2 Wireless BH performance |
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209 | (9) |
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8.2.3 Wireless BH in a multi-hop hybrid network |
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218 | (2) |
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8.3 Case study on using modular approach to unlock the realistic BH |
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220 | (8) |
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8.3.1 Monte Carlo simulations |
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221 | (1) |
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8.3.2 Users' and network's KPIs |
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222 | (1) |
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8.3.3 Adopted models and results |
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223 | (4) |
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227 | (1) |
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8.4 Intelligent wireless backhauling |
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228 | (6) |
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8.4.1 System model and simulations settings |
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229 | (1) |
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8.4.2 Results and analysis |
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230 | (2) |
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232 | (2) |
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234 | (5) |
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9 OTA test methods and candidates for 5G and beyond |
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239 | (26) |
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239 | (1) |
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240 | (5) |
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9.2.1 Definition of OTA test |
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241 | (1) |
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9.2.2 Definition of figures of merits |
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241 | (1) |
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9.2.3 SISO OTA test methods |
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242 | (1) |
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9.2.4 MIMO OTA test methods |
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243 | (2) |
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245 | (13) |
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9.3.1 Key figure of merits |
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246 | (1) |
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9.3.2 Standardization and ongoing work |
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246 | (1) |
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9.3.3 Candidate methodologies |
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246 | (12) |
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9.4 Challenges for 5G and beyond |
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258 | (1) |
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259 | (1) |
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259 | (1) |
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259 | (6) |
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10 Beamformer development challenges for 5G and beyond |
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265 | (36) |
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Muhammad Ali Babar Abbasi |
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266 | (3) |
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10.2 Beamformer type classification |
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269 | (22) |
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10.2.1 Classification based on architecture |
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269 | (9) |
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10.2.2 Classification based on frequency |
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278 | (2) |
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10.2.3 Classification based on the use case |
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280 | (11) |
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291 | (1) |
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291 | (10) |
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301 | (34) |
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301 | (2) |
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303 | (1) |
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304 | (5) |
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11.3.1 Uncorrelated Rician channels |
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305 | (1) |
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11.3.2 Spatial correlated channels |
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306 | (1) |
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11.3.3 Double-scattering channels |
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307 | (2) |
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11.4 Favorable propagation |
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309 | (5) |
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314 | (8) |
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11.5.1 Channel hardening for different channel models |
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315 | (5) |
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11.5.2 Channel hardening and spectral efficiency |
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320 | (2) |
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322 | (1) |
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323 | (8) |
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331 | (4) |
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12 Novel aspects in terahertz wireless communications |
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335 | (44) |
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12.1 Terahertz wave propagation characteristics |
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337 | (1) |
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12.2 Free-space propagation |
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337 | (7) |
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12.2.1 Propagation loss factor of atmospheric attenuation |
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338 | (2) |
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12.2.2 Novel findings from candle flame analysis |
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340 | (4) |
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12.3 Reflection by a smooth surface |
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344 | (2) |
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12.3.1 Dependence of the reflection coefficient on polarization |
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344 | (1) |
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12.3.2 Dependence on the grazing angle |
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345 | (1) |
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12.3.3 Dependence on frequency |
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346 | (1) |
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12.4 Reflection by a rough surface |
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346 | (9) |
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12.4.1 Basic geometry of scattering |
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347 | (1) |
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12.4.2 Statistical description of rough surface |
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348 | (2) |
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12.4.3 The Rayleigh method |
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350 | (4) |
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354 | (1) |
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355 | (1) |
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12.6 Scenario environments |
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356 | (3) |
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357 | (1) |
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12.6.2 Second environment |
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358 | (1) |
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12.7 Frequency dependence of material properties |
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359 | (1) |
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12.8 Development of THz standards |
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359 | (2) |
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12.9 Rough surfaces at THz frequencies |
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361 | (2) |
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12.9.1 Gaussian rough surfaces |
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361 | (2) |
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12.9.2 Non-Gaussian rough surfaces |
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363 | (1) |
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12.10 Novel solution of the scattering problem in THz |
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363 | (11) |
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12.10.1 Rayleigh--Rice (R--R) model |
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363 | (3) |
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12.10.2 Classical Beckmann--Kirchhoff (cB--K) model |
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366 | (1) |
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366 | (6) |
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12.10.4 Modified Beckmann--Kirchhoff (mB--K) model |
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372 | (2) |
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374 | (1) |
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374 | (5) |
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13 Conclusion and future perspectives |
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379 | (4) |
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379 | (1) |
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380 | (3) |
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13.2.1 Artificial intelligence and cognitive radio |
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381 | (1) |
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13.2.2 Wireless system requirements beyond 5G |
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381 | (1) |
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13.2.3 Terahertz frequency spectrum |
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381 | (1) |
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13.2.4 Intelligent reflective surfaces and machine learning |
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382 | (1) |
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382 | (1) |
Index |
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