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Antenna Design and Its Applications, 2nd Edition

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

Deadline for manuscript submissions: 15 July 2026 | Viewed by 1697

Special Issue Editors


E-Mail Website
Guest Editor
School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China
Interests: wearable antenna; implantable antenna; RFID; biomedical telemetry; flexible antenna; nonlinear system theory and application
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
School of Systems Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
Interests: MIMO antennas for 5G communications, and phased array antennas in communication and radar systems; wearable and implantable integrated and packaged antennas for body-centric wireless communications; applications of machine learning and artificial intelligence in communication antenna and array design; intelligent control of electromagnetic scattering characteristics
Special Issues, Collections and Topics in MDPI journals

E-Mail
Guest Editor
School of Electronics and Information, Guangdong Polytechnic Normal University, Guangzhou 510665, China
Interests: reconfigurable antennas; implantable antennas; 5G MIMO antennas
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Antennas, working as electronic eyes and mouths in wireless communications, can receive and transmit electromagnetic waves. They are widely used everywhere: in our homes and workplaces, in supermarkets and hospitals, on vehicles and aircraft, and even on/in the human body. As innovative technologies make progress, novel antennas have been developed for application in emerging areas, such as body-centric wireless communications, wireless real-time health monitoring, and RFID-based IoTs.

The objective of this Special Issue is to report recent designs and applications of antennas, as well as highlight more study possibilities in this fascinating field of communications technology. Contributions are sought for, but not limited to, the following areas:

  • Antenna theory;
  • Antenna feeds and matching circuits;
  • Mutual coupling in antenna arrays;
  • Dielectric resonator antennas;
  • Microstrip antennas, arrays, and circuits;
  • Slotted and guided-wave antennas;
  • Phased-array antennas;
  • Reflector and reflectarray antennas;
  • Electrically small antennas;
  • Broadband/ultra-wideband antennas;
  • Multi-band antennas;
  • Adaptive, active, and smart antennas;
  • Reconfigurable antennas and arrays;
  • Biomedical applications;
  • MIMO implementations and applications;
  • Mobile and PCS antennas;
  • RFID antennas and systems;
  • Ultra-wideband systems;
  • Vehicular antennas and electromagnetics;
  • Software-defined/cognitive radio;
  • On-chip antennas;
  • Wireless power transmission and harvesting;
  • 3D-printed antennas and structures;
  • Millimeter-wave and sub-mm-wave antennas;
  • Terahertz, infrared, and optical antennas.

Prof. Dr. Xiongying Liu
Prof. Dr. Shaoqiu Xiao
Dr. Yi Fan
Guest Editors

Manuscript Submission Information

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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

  • antenna
  • MIMO
  • RFID
  • wireless communications

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Related Special Issue

Published Papers (2 papers)

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Research

19 pages, 6587 KB  
Article
3D-Printed Cylindrical Dielectric Antenna Optimized Using Honey Bee Mating Optimization
by Burak Dokmetas
Electronics 2026, 15(2), 393; https://doi.org/10.3390/electronics15020393 - 16 Jan 2026
Viewed by 373
Abstract
This study presents the design, optimization, and experimental validation of a dual-band dielectric monopole antenna. The proposed antenna structure consists of three concentric cylindrical dielectric layers, each with independently tunable permittivities and radii. This configuration allows the effective control of electromagnetic performance over [...] Read more.
This study presents the design, optimization, and experimental validation of a dual-band dielectric monopole antenna. The proposed antenna structure consists of three concentric cylindrical dielectric layers, each with independently tunable permittivities and radii. This configuration allows the effective control of electromagnetic performance over distinct frequency bands. To determine the optimal geometric and material parameters, the bio-inspired Honey Bee Mating Optimization (HBMO) algorithm is employed. The optimization process simultaneously maximizes antenna gain and minimizes reflection coefficient in the X and Ku bands. A cost function incorporating both gain and impedance matching criteria is formulated to achieve well-balanced solutions. The final antenna prototype was fabricated using a fused deposition modeling (FDM)-based 3D printer, where the dielectric properties of each layer are adjusted through variable infill rates. Simulated and measured results confirm stable dual-band operation with reflection coefficients below −10 dB, while the maximum in-band realized gains reach approximately 6.6 dBi in the X-band and 7.1 dBi in the Ku-band. These findings demonstrate the effectiveness of the proposed optimization approach and validate the feasibility of using 3D-printed dielectric-loaded structures as an efficient solution for high-frequency and space-constrained communication systems. Full article
(This article belongs to the Special Issue Antenna Design and Its Applications, 2nd Edition)
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20 pages, 6632 KB  
Article
High-Isolation Compact Wideband MIMO Antennas for 5G Smartphones with Unbroken Metal Frames
by Qinggong Kong, Peng Zhang, Lvwei Chen and Jingjing Bai
Electronics 2025, 14(19), 3852; https://doi.org/10.3390/electronics14193852 - 28 Sep 2025
Cited by 1 | Viewed by 958
Abstract
This article presents a novel design method for realizing wideband operation and excellent isolation in fifth-generation (5G) multiple-input multiple-output (MIMO) systems. The proposed MIMO antenna employs a ground-plane slot in the shape of the Chinese character “工” and maintains an unbroken metal frame, [...] Read more.
This article presents a novel design method for realizing wideband operation and excellent isolation in fifth-generation (5G) multiple-input multiple-output (MIMO) systems. The proposed MIMO antenna employs a ground-plane slot in the shape of the Chinese character “工” and maintains an unbroken metal frame, thereby avoiding slot openings on the rim. The theory of characteristic modes (TCM) is applied to determine appropriate feeding structures and locations for two functional antenna modules. This design achieves wide bandwidth and high isolation without requiring additional decoupling structures, simplifying the overall system. Two prototype arrays, consisting of four and eight antenna elements, were implemented for 5G operation in the 3.4–5.0 GHz band. The measured results confirm isolation levels above 21.6 dB and 16.2 dB for the four- and eight-element arrays, respectively, with envelope correlation coefficients (ECCs) below 0.16. These results indicate that the proposed design is a promising solution for integration into 5G smartphones. Full article
(This article belongs to the Special Issue Antenna Design and Its Applications, 2nd Edition)
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