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Electronics
Special Issues
Futuristic Antennas: Sustainable, Efficient, Reconfigurable, and Intelligent Design
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Futuristic Antennas: Sustainable, Efficient, Reconfigurable, and Intelligent Design

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

Deadline for manuscript submissions: 15 January 2026 | Viewed by 2327

Special Issue Editor

Dr. Mohammad Abdul Hannan

E-Mail Website
Guest Editor
Department of Electrical Electronics and Computer Engineering, University of Catania, 95125 Catania, Italy
Interests: electromagnetic direct; inverse scattering; antenna system synthesis for sensing and communications

Special Issue Information

Dear Colleagues,

Futuristic antenna designs are necessary to meet the demands of rapidly evolving technologies and next-generation wireless communication systems. These designs address current challenges and enable capabilities required for driving technological advancements. Therefore, this Special Issue focuses on the innovative and futuristic antenna designs and implementations that drive the evolution of wireless communication systems, including 5G, 6G, and beyond. It explores emerging innovations that advance the frontiers of sustainable, efficient, reconfigurable, and adaptable antenna designs with not only using classical strategies, but also using the unconventional and modern strategies including artificial intelligence. This Special Issue covers a broad spectrum of topics regarding futuristic antenna technologies. Topics include, but are not limited to, the following:

  • Unconventional antenna design;
  • Sustainable antenna materials and design;
  • Energy-efficient antenna system and design;
  • Reconfigurable, scalable, and adaptive antenna system and design;
  • AI and machine learning in antenna design;
  • Wide-angle scanning array (WASA);
  • Full duplex antennas (FDA);
  • Antennas for automotive radars;
  • Antennas for high-frequency applications;
  • Holographic and metamaterial-based antennas;
  • Substrate-insensitive patch antenna;
  • Flexible and wearable antennas;
  • Plasma antennas;
  • Fluid antennas;
  • Integrated sensing and communication (ISAC);
  • Smart electromagnetic environments (SEMEs).

The purpose of this Special Issue is to bridge the gap between innovative antenna designs and their practical application in real-world, sustainable communication systems. This Special Issue aspires to serve as a platform for groundbreaking research and collaboration, shaping the future of wireless communications with antennas that are not only advanced, but also responsible and forward-thinking.

Dr. Mohammad Abdul Hannan
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • futuristic antennas
  • unconventional antennas
  • beamforming
  • mm-wave and sub-THz antennas
  • reconfigurable antennas
  • WASA
  • SEME
  • ISAC
  • full-duplex antennas
  • meta-material antennas
  • fluid antennas
  • plasma antennas

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Published Papers (2 papers)

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Research

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17 pages, 4285 KB  
Article
3D-Printed Circular Horn Antenna with Dielectric Lens for Focused RF Energy Delivery
by Aviad Michael and Nezah Balal
Electronics 2025, 14(16), 3191; https://doi.org/10.3390/electronics14163191 - 11 Aug 2025
Viewed by 453
Abstract
This paper presents the design, simulation, and fabrication of a horn antenna integrated with a dielectric lens for focusing RF energy at 10 GHz. The antenna system combines established electromagnetic principles with 3D printing techniques to produce a cost-effective alternative to commercial focusing [...] Read more.
This paper presents the design, simulation, and fabrication of a horn antenna integrated with a dielectric lens for focusing RF energy at 10 GHz. The antenna system combines established electromagnetic principles with 3D printing techniques to produce a cost-effective alternative to commercial focusing antennas. The design methodology employs the lensmaker’s formula and Snell’s law to determine lens curvature for achieving a specified focal length of 100 mm. COMSOL Multiphysics simulations indicate that adding a PTFE lens increases power density concentration compared to a standard horn antenna, with a simulated focal point at approximately 100 mm. Surface roughness analysis based on the Rayleigh criterion supports 3D printing suitability for this application. Experimental validation includes radiation pattern measurements of the antenna without the lens and power density measurements versus distance with the lens, both showing good agreement with simulation results. The measured focal length was 95±5 mm, closely matching simulation predictions. This work presents an approach for implementing focused RF delivery solutions for medical treatments, wireless power transfer, and precision sensing at significantly lower costs than commercial alternatives. Full article
(This article belongs to the Special Issue Futuristic Antennas: Sustainable, Efficient, Reconfigurable, and Intelligent Design)
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Review

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13 pages, 1868 KB  
Review
Designs and Challenges in Fluid Antenna System Hardware
by Kin-Fai Tong, Baiyang Liu and Kai-Kit Wong
Electronics 2025, 14(7), 1458; https://doi.org/10.3390/electronics14071458 - 3 Apr 2025
Viewed by 1484
Abstract
Fluid Antenna Systems (FASs) have recently emerged as a promising solution to address the demanding performance indicators (KPIs) and scalability challenges of future 6G mobile communications. By enabling agile control over both radiating position and antenna shape, FAS can significantly improve diversity gain [...] Read more.
Fluid Antenna Systems (FASs) have recently emerged as a promising solution to address the demanding performance indicators (KPIs) and scalability challenges of future 6G mobile communications. By enabling agile control over both radiating position and antenna shape, FAS can significantly improve diversity gain and reduce outage probability through dynamic selection of the optimal radiation point, also known as port. Numerous theoretical studies have explored novel FAS concepts, often in conjunction with other wireless communication technologies such as multiple-input multiple-output (MIMO), Non-Orthogonal Multiple Access (NOMA), Reconfigurable Intelligent Surfaces (RIS), Integrated Sensing and Communication (ISAC), backscatter communication, and Semantic communication. To validate these theoretical concepts, several early-stage FAS hardware prototypes have been developed, including liquid–metal fluid antennas, mechanically movable antennas, pixel-reconfigurable antennas, and meta-fluid antennas. Initial measurements have demonstrated the potential advantages of FAS. This article provides a brief review of these early FAS hardware technologies. Furthermore, we share our vision for future hardware development and the corresponding challenges, aiming to fully release the potential of FAS and stimulate further research and development within the antenna research community. Full article
(This article belongs to the Special Issue Futuristic Antennas: Sustainable, Efficient, Reconfigurable, and Intelligent Design)
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