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Table of Contents
1 Cover
6 Preface
8 1 Introduction 1.1 Introduction 1.2 Antenna: an Integral Component of Wireless Communications 1.3 Antenna Performance Parameters 1.4 Antenna Types 1.5 Multifunctional Antennas 1.6 Reconfigurable Antennas 1.7 Frequency Agile/Tunable Antenna 1.8 Antenna Measurements 1.9 Conclusion References
9 2 Frequency Reconfigurable Antennas 2.1 Introduction 2.2 Mechanism of Frequency Reconfigurability 2.3 Types of FRAs 2.4 FRAs in the Future: Applications in Emerging Technologies 2.5 Conclusion References
10 3 Radiation Pattern Reconfigurable Antennas 3.1 Introduction 3.2 Pattern Reconfigurable by Electronically Changing Antenna Elements 3.3 Pattern Reconfigurable by Electronically Changing Feeding Network 3.4 Mechanically Controlled Pattern Reconfigurable Antennas 3.5 Arrays and Optimizations 3.6 Reconfigurable Wearable and Implanted Antennas 3.7 Conclusion References
11 4 Polarization Reconfigurable Antennas 4.1 Introduction 4.2 Polarization Reconfiguration Mechanism Using RF Switches 4.3 Solid‐State RF Switch‐Based Polarization Reconfigurable Antenna 4.4 Mechanical and Micro‐electro‐mechanical (MEMS) RF Switch‐Based Antennas 4.5 Switchable Feed Network‐Based Polarization Reconfiguration 4.6 Polarization Reconfigurable Antennas Using Metasurface 4.7 Other Methods to Create Polarization Reconfigurable Antennas 4.8 Conclusion References
12 5 Liquid Metal, Piezoelectric, and RF MEMS‐Based Reconfigurable Antennas 5.1 Introduction 5.2 Liquid Metal – Frequency Reconfigurable Antennas 5.3 Liquid Metal – Pattern Reconfigurable Antennas 5.4 Liquid Metal – Directivity Reconfigurable Antennas 5.5 Piezoelectric – Pattern Reconfigurable Array 5.6 RF MEMS – Frequency Reconfigurable 5.7 RF MEMS – Polarization Reconfigurable 5.8 RF MEMS – Pattern Reconfigurable 5.9 Conclusion References
13 6 Compact Reconfigurable Antennas 6.1 Introduction 6.2 Reconfigurable Pixel Antenna 6.3 Compact Reconfigurable Antennas Using Fluidic 6.4 Compact Reconfigurable Antennas Using Ferrite and Magnetic Materials 6.5 Metamaterials and Metasurfaces 6.6 Conclusion References
14 7 Reconfigurable MIMO Antennas 7.1 Introduction 7.2 Reconfigurable Antennas for MIMO Applications 7.3 Isolation Techniques in MIMO Antennas 7.4