Abstract

Due to the fast development of wireless communication technology, reconfigurable antennas with multimode and cognitive radio operation in modern wireless applications with a high-data rate have drawn very close attention from researchers. Reconfigurable antennas can provide various functions in operating frequency, beam pattern, polarization, etc. The dynamic tuning can be achieved by manipulating a certain switching mechanism through controlling electronic, mechanical, physical or optical switches. Among them, electronic switches are the most popular in constituting reconfigurable antennas due to their efficiency, reliability and ease of integrating with microwave circuitry. In this paper, we review different implementation techniques for reconfigurable antennas. Different types of effective implementation techniques have been investigated to be used in various wireless communication systems such as satellite, multiple-input multiple-output (MIMO), mobile terminals and cognitive radio communications. Characteristics and fundamental properties of the reconfigurable antennas are investigated.

Highlights

  • Rapid growth in the area of modern wireless communication systems has led to demand for multi-mode reconfigurable antennas to be used in various wireless services [1,2]

  • Due to these attractive features, reconfigurable antennas have received considerable attention, and a number of works have been demonstrated in past years [14,15]

  • We investigate here different types of effective implementation techniques including electronic switching and other possible switching techniques of reconfigurable antennas

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Summary

A Survey

Naser Ojaroudi Parchin 1, * , Haleh Jahanbakhsh Basherlou 2 , Yasir I. Received: 31 December 2019; Accepted: 6 February 2020; Published: 15 February 2020

Introduction
Electrical Reconfiguration
PIN Diodes
Tunable Varactors
Optical Reconfiguration
Mechanical Reconfiguration
Reconfigurable Antennas with Smart Materials
Comparison
Properties
Conclusions
Full Text
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