New Generation Design of Antennas

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 5912

Special Issue Editors


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Guest Editor
Department of Physics, Aberystwyth University, Aberystwyth SY23 3BZ, UK
Interests: antennas for 5G and beyond; millimeter-wave antennas; flexible and printed electronics; RF sensors; wireless communication

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Guest Editor
School of Electronic Engineering and Computer Science, Faculty of Science and Engineering, Queen Mary University of London, Mile End Road, London E1 4NS, UK
Interests: basics of antennae and electromagnetism, from megastructures and metasurfaces to novel applications in telerobotics, cognitive radio, wearable electronics, nanoscale networks, healthcare, and bioengineering
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Guest Editor
James Watt School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK
Interests: nano communication; biomedical applications of millimeter and terahertz communication; wearable and flexible sensors; compact antenna design; RF design and radio propagation; antenna interaction with human body; implants; body centric wireless communication issues; wireless body sensor networks; non-invasive health care solutions; physical layer security for wearable/implant communication and multiple-input–multiple-output systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The antenna performance is of critical importance in analyzing the reliability and efficiency of the wireless systems. Recent developments in materials and fabrication technologies are now facilitating high-performance antenna designs with reduced size, weight, aerodynamic drag, and cost. For instance, some novel trends in antenna designs for 5G and beyond include composite materials and efficient selective metallization processes. These advances have enabled versatile, tunable, robust, lightweight, and programmable antennas with additive advantages of cost-effective mass production, conformity and compactness. 

This Special Issue aims to address the recent development in this emerging area of versatile antennas, integration of programmable materials in antennas, and advanced manufacturing techniques, such as inkjet printing, flexo printing, 3D printing, etc., as well as the deployment of advanced materials such as graphene, carbon nanotubes, metamaterials, etc. We are looking forward to high-quality submissions that highlight the scope and applications of advanced antenna design techniques, such as massive multiple-input–multiple-output (MIMO), phased arrays, on-chip antennas, etc., and address the recent developments in manufacturing processes and advanced materials, as well as the prospective advantages of novel antenna design techniques that lead to adaptive, ultra-fast and highly secure wireless communication. The topics of interest include but are not limited to: 

  • Millimeter-wave antennas;
  • 5G, 6G and beyond antennas;
  • Flexible, conformal, 3D-printed antennas;
  • Smart antennas;
  • Multiple-input–multiple-output (MIMO) antennas;
  • Antennas for biomedical applications;
  • Phased arrays and massive MIMO antennas.

Dr. Syeda Fizzah Jilani
Dr. Akram Alomainy
Prof. Dr. Qammer Hussain Abbasi
Guest Editors

Manuscript Submission Information

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Keywords

  • millimeter-wave antennas
  • 5G, 6G and beyond antennas
  • flexible, conformal, 3D-printed antennas
  • smart antennas
  • multiple-input–multiple-output (MIMO) antennas
  • antennas for biomedical applications
  • phased arrays and massive MIMO antennas

Published Papers (2 papers)

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Research

18 pages, 9131 KiB  
Article
Design of Miniaturized Antipodal Vivaldi Antennas for Wideband Microwave Imaging of the Head
by Farhana Parveen and Parveen Wahid
Electronics 2022, 11(14), 2258; https://doi.org/10.3390/electronics11142258 - 20 Jul 2022
Cited by 2 | Viewed by 2088
Abstract
Many wideband applications, e.g., microwave imaging of the head, require low-frequency (~1–6 GHz) operation using small antennas. Vivaldi antennas are extensively used in multifarious wideband applications; however, the physical dimensions of the antenna become very large for covering low-frequency bands. Hence, the miniaturization [...] Read more.
Many wideband applications, e.g., microwave imaging of the head, require low-frequency (~1–6 GHz) operation using small antennas. Vivaldi antennas are extensively used in multifarious wideband applications; however, the physical dimensions of the antenna become very large for covering low-frequency bands. Hence, the miniaturization of Vivaldi antennas, while maintaining proper matching and radiation characteristics, is essential for these applications. In this work, two miniaturized Vivaldi antennas are proposed, and several miniaturization techniques are presented for reducing the size of the antennas without the need for being immersed into any matching liquid, while maintaining desired performance. The novelty of the designs lies in the use of two half-cut superstrates, which help in achieving low-frequency operation with end-fire radiation. Two prototype antennas are fabricated, and the performances of the antennas are analyzed from both simulation and measurement results. The antennas show an FBW of 45.26% and 95.9% with a gain of ~1.9–5.2 dB and ~1.5–5.5 dB, respectively, while having a radiation efficiency above 80% within the resonant bandwidth. A comparison of the proposed antennas with several other state-of-the-art Vivaldi antennas is included to demonstrate the viability of the proposed antennas in achieving the desired performance with comparatively small dimensions. Full article
(This article belongs to the Special Issue New Generation Design of Antennas)
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15 pages, 12198 KiB  
Article
Use of 3D Printing for Horn Antenna Manufacturing
by Jana Olivová, Miroslav Popela, Marie Richterová and Eduard Štefl
Electronics 2022, 11(10), 1539; https://doi.org/10.3390/electronics11101539 - 11 May 2022
Cited by 6 | Viewed by 2692
Abstract
This article describes the manufacturing of a horn antenna using a 3D commercial printer. The horn antenna was chosen for its simplicity and practical versatility. The standardised horn antenna is one of the most widely used antennas in microwave technology. A standardised horn [...] Read more.
This article describes the manufacturing of a horn antenna using a 3D commercial printer. The horn antenna was chosen for its simplicity and practical versatility. The standardised horn antenna is one of the most widely used antennas in microwave technology. A standardised horn antenna can be connected to standardised waveguides. The horn antenna has been selected so that this antenna can be fabricated by 3D printing and thus obtain the equivalent of a standardised horn antenna. This 3D horn antenna can then be excited by a standardised waveguide. The 3Dprinted horn antenna with metallic layers has very good impedance characteristics, standing wave ratio and radiation patterns that are close to those of a standardised horn antenna. The 3D-based horn antenna is suitable for applications where low antenna weight is required, such as aerospace and satellite technologies. The article also describes a manufacturing procedure for a horn antenna (E-sector horn antenna) that is plated with galvanic layers of silver and gold. The design of the plated horn antenna in the Matlab application using the Antenna Toolbox extension is also described, including 3D printing procedures, post-processing procedures (plating) and practical testing of its functionality. The measured results are compared to simulations of the standardised horn antenna and then analysed. Full article
(This article belongs to the Special Issue New Generation Design of Antennas)
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