Preface |
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xi | |
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1 Introduction to Reconfigurable Antennas |
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1 | (14) |
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1 | (1) |
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1.2 The Basics of Reconfigurable Antennas |
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2 | (1) |
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1.3 Types of Antenna Reconfiguration |
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3 | (12) |
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1.3.1 Frequency Reconfiguration |
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4 | (4) |
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1.3.2 Pattern Reconfiguration |
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8 | (2) |
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1.3.3 Polarization Reconfiguration |
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10 | (1) |
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10 | (5) |
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2 Fundamental Definitions of Antenna Parameters |
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15 | (22) |
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16 | (3) |
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2.2 Input Impedance, Voltage Standing-Wave Ratio, and Return Loss |
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19 | (2) |
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21 | (2) |
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2.4 Directivity, Gain, and Realized Gain |
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23 | (4) |
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2.5 The Friis Transmission Formula |
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27 | (1) |
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28 | (2) |
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2.7 The Wheeler Cap Method of Antenna Efficiency Measurement |
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30 | (2) |
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2.8 Isolation Between Antennas in a System |
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32 | (1) |
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33 | (4) |
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34 | (3) |
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3 Overview of RF/Microwave Switches |
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37 | (14) |
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37 | (1) |
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38 | (3) |
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41 | (2) |
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3.4 The Varactor Diode Switch |
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43 | (1) |
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3.5 Other Types of RF/Microwave Switches |
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44 | (1) |
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3.6 Switching Circuits and Their Responses |
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44 | (3) |
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45 | (1) |
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46 | (1) |
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3.6.3 Series-Shunt Switch |
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46 | (1) |
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47 | (4) |
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47 | (4) |
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4 Basic Antenna Configurations |
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51 | (42) |
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52 | (17) |
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4.1.1 The Thin-Wire Dipole Antenna |
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53 | (6) |
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4.1.2 Feeding or Exciting a Dipole Antenna |
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59 | (5) |
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4.1.3 Dipole Operation Against a Metal Reflector |
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64 | (3) |
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4.1.4 Dipole Against an EBG Structure |
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67 | (1) |
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4.1.5 Miniaturized Antennas: Meander and Zigzag Dipoles |
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68 | (1) |
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4.2 The Thin-Wire Monopole Antenna |
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69 | (3) |
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4.2.1 Monopole Input Impedance |
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69 | (1) |
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4.2.2 Monopole Radiation Properties |
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70 | (1) |
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4.2.3 Monopole Properties: Ground Plane Effects |
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70 | (1) |
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4.2.4 The Inverted-L Antenna (ILA) |
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71 | (1) |
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72 | (3) |
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4.3.1 The Small Loop Antenna |
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72 | (2) |
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4.3.2 The Resonant Loop Antenna |
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74 | (1) |
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4.3.3 The Resonant Loop Against a Metal Reflector |
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75 | (1) |
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4.4 The Microstrip Patch Antenna |
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75 | (9) |
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4.4.1 The Rectangular Patch Antenna |
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76 | (7) |
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4.4.2 The Shorted Quarter-Wave Patch Antenna |
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83 | (1) |
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4.5 The Inverted-F Antenna |
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84 | (2) |
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4.5.1 The Planar Inverted-F Antenna |
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84 | (1) |
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85 | (1) |
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86 | (7) |
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88 | (5) |
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5 Frequency and Polarization Reconfiguration |
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93 | (48) |
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5.1 Frequency Reconfigurable Patch Antennas |
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95 | (10) |
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5.1.1 PIN Diode Reconfigurable Patch Antenna and Arrays |
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95 | (4) |
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5.1.2 PIN Diode Reconfigurable Transmitter Patch Antenna |
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99 | (1) |
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5.1.3 Frequency Reconfigurable U-Slot Patch Antenna Using a Trimmer Capacitor |
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100 | (1) |
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5.1.4 Reconfigurable Patch-Slot Antenna Using PIN Diode |
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100 | (4) |
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5.1.5 Frequency and Pattern Reconfigurable Patch Antenna Using the PIN Diode |
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104 | (1) |
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5.2 Polarization Reconfigurable Patch Antenna |
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105 | (8) |
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5.2.1 Patch Antenna with Switchable Slots (PASS) Circular Polarization |
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105 | (2) |
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5.2.2 Frequency and Polarization Reconfigurable Patch Antenna |
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107 | (3) |
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5.2.3 Frequency and Circular Polarization Reconfigurable Patch Antenna |
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110 | (3) |
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5.3 Reconfigurable Slot Antennas |
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113 | (5) |
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5.3.1 UHF-Band PIN Diode Reconfigurable Slot Antenna |
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113 | (4) |
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5.3.2 Reconfigurable Folded Slot Antenna |
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117 | (1) |
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5.4 MEMS Reconfigurable Antennas |
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118 | (5) |
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5.4.1 Monolithic MEMS Reconfigurable Patch Antennas |
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118 | (4) |
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5.4.2 Discrete MEMS Frequency Reconfigurable Antenna |
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122 | (1) |
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5.5 Reconfigurable Dipole, Monopole-Type Antennas |
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123 | (5) |
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5.5.1 Frequency Reconfigurable Bow-Tie Antenna |
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123 | (1) |
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5.5.2 Reconfigurable Antenna Using a Photoconductive Switch |
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124 | (2) |
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5.5.3 Pattern and Frequency Reconfigurable Yagi Antenna |
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126 | (2) |
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5.6 The Reconfigurable Antenna Aperture (RECAP) |
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128 | (3) |
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5.7 More Examples of Frequency Reconfigurable Antennas |
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131 | (4) |
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135 | (6) |
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136 | (5) |
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6 Pattern Reconfiguration |
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141 | (28) |
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142 | (3) |
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6.2 Pattern Reconfigurable Yagi-Uda Arrays |
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145 | (2) |
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6.2.1 Reconfigurable Printed Microstrip Yagi-Uda Dipole Array |
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145 | (1) |
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6.2.2 Reconfigurable Yagi-Uda Array |
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146 | (1) |
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6.3 Pattern Reconfigurable Parasitic Dipole Arrays |
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147 | (4) |
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6.3.1 Reactively Controlled Dipole Array |
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147 | (1) |
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6.3.2 Reactively Controlled Monopole Array |
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148 | (1) |
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6.3.3 Switched Parasitic Dipole Array |
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149 | (2) |
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6.4 Reconfigurable Parasitic Patch Array |
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151 | (7) |
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6.4.1 An ESPAR Patch Antenna Array |
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152 | (1) |
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6.4.2 An Aperture-Coupled ESPAR Patch Antenna Array |
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152 | (4) |
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6.4.3 A Frequency and Pattern Reconfigurable Pixelled Monopole Antenna |
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156 | (2) |
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6.5 Series-Fed Patch Phased Array |
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158 | (4) |
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6.6 Beam Steering Colinear Dipole Array |
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162 | (2) |
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6.7 Other Examples of Pattern Reconfigurable Antennas |
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164 | (5) |
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166 | (3) |
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7 Basic Scanning Antenna Array Design |
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169 | (26) |
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169 | (3) |
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7.2 Mathematical Perspectives |
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172 | (4) |
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7.3 Phase Shifter Fundamentals |
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176 | (3) |
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7.3.1 Switched Line Phase Shifter |
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177 | (1) |
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7.3.2 Quadrature Phase Shifter or Reflective Phase Shifter |
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178 | (1) |
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7.3.3 Loaded Line Phase Shifter |
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179 | (1) |
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7.4 Linear Microstrip Patch Scanning Array Example |
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179 | (7) |
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7.4.1 Simple Phase Shifter and Beam Scanning Example |
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180 | (3) |
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7.4.2 Beam-Scanning Examples at Additional Angles |
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183 | (3) |
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7.5 Phase Shifter and Phased Array Examples |
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186 | (9) |
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191 | (4) |
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8 Switch Biasing and Other Considerations |
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195 | (14) |
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8.1 DC Biasing of PIN Diode Switches |
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196 | (4) |
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8.1.1 Examples of PIN Diode Switch Biasing |
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198 | (2) |
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8.2 DC Biasing of Varactor Diode Switches |
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200 | (3) |
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8.2.1 Examples of Varactor Diode Biasing |
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201 | (2) |
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8.3 DC Biasing of RF MEMS Switches |
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203 | (1) |
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8.3.1 Examples of RF MEMS Switch Biasing |
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203 | (1) |
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8.4 DC Biasing of Other Types of Switches |
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204 | (1) |
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204 | (5) |
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205 | (4) |
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9 Modeling and Simulation of Reconfigurable Antennas |
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209 | (14) |
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9.1 Reconfigurable Antenna Simulation Consisting of PIN Diodes |
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210 | (4) |
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9.1.1 Examples of PIN Diode Reconfigurable Antenna Simulations |
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211 | (3) |
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9.2 Reconfigurable Antenna Simulation Consisting of Varactor Diodes |
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214 | (2) |
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9.2.1 Examples of Varactor Diode Reconfigurable Antenna Simulations |
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214 | (2) |
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9.3 Reconfigurable Antenna Simulation Using RF MEMS Switches |
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216 | (2) |
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9.3.1 Examples of MEMS Reconfigurable Antenna Simulations |
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216 | (2) |
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9.4 Other Reconfigurable Antenna Simulation Examples |
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218 | (1) |
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219 | (4) |
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219 | (4) |
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10 MIMO Reconfigurable Antennas |
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223 | (20) |
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10.1 MIMO Antenna Parameters |
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224 | (4) |
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10.2 Examples of MIMO Antennas |
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228 | (7) |
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10.3 Mutual Coupling and Coupling Reduction Techniques |
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235 | (3) |
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238 | (5) |
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239 | (4) |
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11 Reconfigurable Antennas for Cognitive Radio, Millimeter-Wave 5G, and Other Applications |
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243 | (12) |
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11.1 Reconfigurable Antennas for Cognitive Radio |
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243 | (2) |
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11.2 Millimeter-Wave Reconfigurable Antennas |
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245 | (9) |
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11.3 Reconfigurable Antennas for Sub-6-GHz 5G Applications |
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254 | (1) |
References |
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255 | (4) |
About the Author |
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259 | (2) |
Index |
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261 | |