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What is Monopole Antenna

Chapter 5
Contemporary Developments in High-Frequency Photonic Devices
The monopole is a resonant antenna where the radiator acts as a resonator for radio waves, oscillating with standing waves of voltage and current along its length. Therefore, the length of the antenna is determined by the wavelength of the radio waves it is used with.
Published in Chapter:
Fractal-Inspired Ultra-Wideband Diversity Slot Antenna for Wireless Communication Systems
Anirban Karmakar (Tripura University, India) and Anuradha Saha (Netaji Subhash Engineering College, India)
Copyright: © 2019 |Pages: 28
DOI: 10.4018/978-1-5225-8531-2.ch005
Abstract
A novel compact ultra-wideband (UWB) multiple-input multiple-output (MIMO) slot antenna with band notch characteristics is presented for portable wireless UWB applications. The antenna comprises of co-planar waveguide feed (CPW) and two radiating monopoles oriented in orthogonal orientation for providing orthogonal radiation patterns. A Minkowski fractal parasitic stub along with a Minkowski fractal grounded stub has been placed at 45° between the monopoles to reduce the coupling between them, which in turn establishes high isolation between the radiators. An excellent band notch characteristic is obtained at 5.5 GHz by etching a modified E-shaped compact slot on the radiators. Results show that the designed antenna meets -10 dB impedance bandwidth and -17 dB isolation throughout the entire operating band (3.1 -12 GHz). Novelty of this design lies in improving isolation using fractal which occupies less space in compared to other isolation mechanisms in MIMO structures. The simulated and measured results depict that the proposed antenna is convenient for MIMO diversity systems.
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Chapter 3
Design and Analysis of an UWB Printed Monopole Antenna with Hilbert Curve Fractal Shaped Slots for Multiple Band Rejection Functionality
The monopole is a resonant antenna where the radiator acts as an resonator for radio waves, oscillating with standing waves of voltage and current along its length. Therefore the length of the antenna is determined by the wavelength of the radio waves it is used with.
Published in Chapter: Design and Analysis of an UWB Printed Monopole Antenna with Hilbert Curve Fractal Shaped Slots for Multiple Band Rejection Functionality; From: Handbook of Research on Advanced Trends in Microwave and Communication Engineering
Full Text Chapter Download: US $37.50 Add to Cart
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