Multifunctional Antennas and Arrays for Wireless Communication Systems. Группа авторов
Chieh
San Diego State University San Diego, CA, USA
This edition first published 2021
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List of Contributors
Behrouz Babakhani Antenna and Microwave Lab (AML), Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA, USA
Sonika P. Biswal Antenna and Microwave Lab (AML), Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA, USA
Jia‐Chi S. Chieh Antenna and Microwave Lab (AML), Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA, USA
Kumud R. Jha Antenna and Microwave Lab (AML), Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA, USA Department of Electronics and Communication Engineering, Shri Mata Vaishno Devi University, SMVD University, Katra, India
Saeed I. Latif Department of Electrical and Computer Engineering, University of South Alabama, Mobile, AL, USA
Sima Noghanian Antenna and Microwave Lab (AML), Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA, USA
Satish K. Sharma Antenna and Microwave Lab (AML), Department of Electrical and Computer Engineering, San Diego State University, San Diego, CA, USA
Preface
Multifunctional antennas and arrays are the new trend in the field of antennas for diversified applications such as wireless and satellite communications as well as for radar applications. Reconfigurable antennas starting from frequency reconfiguration, pattern reconfiguration to polarization reconfiguration and their combinations make these antennas not only multifunctional but also reduce space requirements on the host communication devices. In the last two decades there has been great efforts to design and realize these reconfigurable antennas and we anticipate even more efforts to come in the near future. A wide range of sub‐topics as they apply to multifunction antennas and arrays include the design and development of the reconfigurable multiple‐input‐multiple‐output (MIMO) antennas, liquid metal antennas, piezoelectric antennas, radio frequency (RF) micro‐electro‐mechanical‐systems (MEMS) based reconfigurable antennas, multifunctional antennas for 4G/5G communications and MIMO applications, metamaterials reconfigurable antennas, multifunctional antennas for user equipment (EUs), reconfigurable antennas for the defense applications and phased array antennas using 5G silicon RFICs.
The purpose of this book is to present in‐depth theory, as well as design and development insight of these various multifunctional antennas and arrays. The book is aimed for use by practicing antenna engineers and researchers in the industry and academia. This book starts with an introduction to the antennas in Chapter 1, which discusses the importance of antennas. It also provides an introduction to antenna performance parameters, antenna types, multifunctional antennas, reconfigurable antennas, and antenna measurements. Next in Chapter 2, frequency reconfigurable antennas (FRAs) are detailed. This chapter starts with discussion of the mechanism of frequency reconfigurability, types of the FRAs using various switches and tunable components, FRAs by employing mechanical changes such as ground plane membrane deflection, and FRAs by using special materials and special shapes. Chapter 3 presents discussion on the pattern reconfigurable antennas which includes the following: pattern reconfiguration by electronically changing antenna elements and feeding networks, mechanically controlled pattern reconfigurable antennas, pattern reconfigurable arrays and optimizations, and reconfigurable wearable and implanted antennas. In Chapter 4, we discuss the polarization reconfigurable antennas with emphasis on the polarization reconfiguration mechanism using RF switches, polarization reconfigurable antennas using solid‐state RF switches, mechanical and micro‐electro‐mechanical‐system (MEMS) RF switches, switchable feed networks, usage of metasurfaces, as well as other methods. These chapters describe the three main types of reconfigurable antennas and arrays as described in the introduction.
Reconfigurable antennas using the liquid metal, piezoelectric and RF MEMS are discussed in Chapter 5. This chapter specifically includes discussion on the liquid metal based frequency, pattern, and directivity reconfigurable antennas, piezoelectric based pattern reconfigurable arrays, and RF MEMS based frequency and pattern reconfigurable antennas. Compact