15 8 Multifunctional Antennas for 4G/5G Communications and MIMO Applications 8.1 Introduction 8.2 MIMO Antennas in Multifunctional Systems 8.3 MIMO Antennas in Radar Systems 8.4 MIMO Antennas in Communication Systems 8.5 MIMO Antennas for Sensing Applications 8.6 MIMO Antennas for 5G Systems 8.7 Massive MIMO Array 8.8 Dielectric Lens for Millimeter Wave MIMO 8.9 Beamforming in Massive MIMO 8.10 MIMO in Imaging Systems 8.11 MIMO Antenna in Medical Applications 8.12 Conclusion References
16 9 Metamaterials in Reconfigurable Antennas 9.1 Introduction 9.2 Metamaterials in Antenna Reconfigurability 9.3 Metamaterial‐Inspired Reconfigurable Antennas 9.4 Metasurface‐Inspired Reconfigurable Antennas 9.5 Conclusion References
17 10 Multifunctional Antennas for User Equipments (UEs) 10.1 Introduction 10.2 Lower/Sub‐6 GHz 5G Band Antennas 10.3 5G mm‐Wave Antenna Arrays 10.4 Collocated Sub‐6 GHz and mm‐Wave 5G Array Antennas 10.5 RF and EMF Exposure Limits 10.6 Conclusion References
18 11 DoD Reconfigurable Antennas 11.1 Introduction 11.2 TACAN 11.3 Sea‐Based X‐Band Radar 1 (SBX‐1) 11.4 The Advanced Multifunction RF Concept (AMRFC) 11.5 Integrated Topside (InTop) 11.6 DARPA Arrays of Commercial Timescales (ACT) 11.7 AFRL Transformational Element Level Array (TELA) 11.8 Conclusion References
19 12 5G Silicon RFICs‐Based Phased Array Antennas 12.1 Introduction 12.2 Silicon Beamformer Technology 12.3 LO‐Based Phase Shifting 12.4 IF‐Based Phase Shifting 12.5 RF‐Based Phase Shifting 12.6 Ku‐Band Phased Arrays Utilizing Silicon Beamforming Chipsets 12.7 Ku‐Band Phased Arrays on ROHACELL Utilizing Silicon Beamforming Chipsets 12.8 Ku‐Band Phased Arrays with Wide Axial Ratios Utilizing Silicon Beamforming Chipsets 12.9 28 GHz Phased Arrays Utilizing Silicon Beamforming Chipsets 12.10 Phased Array Reflectors Utilizing Silicon Beamforming Chipsets 12.11 Conclusion References
20 Index
List of Tables
1 Chapter 1Table 1.1 PIN diode states for reconfiguring the lower frequency bands while ...
2 Chapter 3Table 3.1 Dimensions of polarization reconfigurable cavity‐backed slot antenn...Table 3.2 Different polarization states.Table 3.3 Measured maximum gain and FBR of antennas with PIN diodes and FET s...Table 3.4 Different cases of beam switching using different phases on each pr...Table 3.5 Antenna performance and SAR simulations.
3 Chapter 4Table 4.1 Polarization sense of the proposed antenna for four combinations of...Table 4.2 Polarization sense of the E‐shaped proposed antenna in zero for fou...Table 4.3 State of the ports, diodes, and their result on the radiation polar...Table 4.4 Operating states of reconfigurable antenna.Table 4.5 Measured loss for the PFN for the linear and circular polarizations...Table 4.6 Polarization states by status of the DC biases.Table 4.7 Polarizations by different feeding ports of the four LP antenna ele...
4 Chapter 5Table 5.1 Possible radiation pattern modes from [3] showing states of the liq...
5 Chapter 6Table 6.1 Directivity, gain, antenna efficiency, and aperture efficiency for ...Table 6.2 The optimum gain achieved for different frequencies,