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Electronics
Special Issues
Research and Applications of Antenna Miniaturization, Broadband and Multipolarization Technologies
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Research and Applications of Antenna Miniaturization, Broadband and Multipolarization Technologies

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 2025) | Viewed by 3132

Special Issue Editor

Dr. He Huang

E-Mail Website
Guest Editor
School of Aerospace Science and Technology, Xidian University, Xi’an 710126, China
Interests: miniaturized antennas; dual-polarized antennas; terminal antennas; base station antennas

Special Issue Information

Dear Colleagues:

Nowadays, there are more and more types of communication equipment for different platforms, and their volume and weight are becoming smaller. In order to integrate multiple devices and transmit various signals in a limited space, the miniaturization, broadband and multipolarization design of antennas has become the mainstream research direction today. Therefore, it is of great value to study the miniaturized, broadband, and multipolarization antennas implemented on different platform.

Now, the main methods to realize antenna miniaturization include bending radiators, loading lumped elements, etc.; the main methods to realize broadband antennas include increasing the radiator area, multi-antenna combinations, multi-resonance fusion, frequency reconstruction, etc.; and the main methods to realize antenna multipolarization include an orthogonal structure and orthogonal mode. Whether there are other theoretical breakthroughs and innovations to be made is what we are most looking forward to discovering with this Special Issue.

 This Special Issue focuses on the recent research and technological advancements in the field of antenna miniaturization, broadband antennas, and antenna multipolarization by bringing together academic and industrial researchers to discuss and identify technical complexities and challenges. For this Special Issue, we are seeking original submissions from the scientific community, where submissions may target research concepts or applied research that are related, but not limited, to the themes included in the list of keywords.

Dr. He Huang
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

  • miniaturized antennas
  • broadband antennas
  • multipolarization antennas
  • terminal antennas
  • base station antennas
  • spacecraft antennas
  • 5G antennas
  • 6G antennas
  • MIMO antennas
  • metamaterial antennas

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

14 pages, 5812 KiB  
Article
Three-Dimensionally Printed Dual-Slot-Fed Dielectric Resonator Antenna with Rectangular and Irregular Elements for 5G Applications
by Zhenyi Shou, Zhipeng Wu, Hanyang Wang, Hai Zhou and Meng Hou
Electronics 2024, 13(24), 4903; https://doi.org/10.3390/electronics13244903 (registering DOI) - 12 Dec 2024
Viewed by 781
Abstract
In this paper, a novel dual-slot-fed dielectric resonator antenna (DRA) with rectangular and irregular elements, designed for 5G wireless applications, is presented. The DRA achieves wideband capability by combining the resonant modes of the rectangular and irregular DRA elements, which is a less [...] Read more.
In this paper, a novel dual-slot-fed dielectric resonator antenna (DRA) with rectangular and irregular elements, designed for 5G wireless applications, is presented. The DRA achieves wideband capability by combining the resonant modes of the rectangular and irregular DRA elements, which is a less common feature in conventional designs. A frequency ratio adjustment technique, based on the concept of inductive de-loading, is uniquely proposed for the independent frequency adjustment of the irregular DRA. Unlike traditional methods, an equivalent circuit presentation was developed to interpret the impedance characteristics of single-element DRAs, and to provide new insights into the presence of inductive de-loading from a circuit perspective. For verification, a dual-slot-fed prototype was fabricated through digital light processing (DLP)-based 3D printing technology, with the aim of customizable design and low-cost fabrication. The measured and simulated results of reflection coefficients and radiation patterns showed good agreements, with a measured bandwidth of 51.6% (2.96–5.02 GHz), effectively covering the desired 5G n77–n79 (3.3–5.0 GHz) frequency bands. Full article
(This article belongs to the Special Issue Research and Applications of Antenna Miniaturization, Broadband and Multipolarization Technologies)
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11 pages, 3428 KiB  
Article
Advantages of Plate Antennas over Loop Antennas for Circular Polarization—Its Application in Array Antenna with a Simplified Feed
by Kazuhide Hirose, Mitsuki Hirose, Shintaro Mita, Takumi Fujita and Hisamatsu Nakano
Electronics 2024, 13(19), 3896; https://doi.org/10.3390/electronics13193896 - 1 Oct 2024
Cited by 1 | Viewed by 729
Abstract
We analyze square antennas with one and quasi-two sources to reveal the relationship between loop and plate antennas. First, using the moment method, one-source antennas with corner truncation are investigated versus antenna height above the ground plane. As the height increases, the CP [...] Read more.
We analyze square antennas with one and quasi-two sources to reveal the relationship between loop and plate antennas. First, using the moment method, one-source antennas with corner truncation are investigated versus antenna height above the ground plane. As the height increases, the CP wave bandwidth of the plate antenna increases 17% for a 3 dB axial ratio criterion, whereas the loop antenna’s bandwidth remains less than 3%. Next, we study quasi-two-source antennas without corner truncation versus antenna height. The plate antenna’s bandwidth is found to reach 30%, which is wider than that of a loop antenna by a factor of two. Last, the plate antenna with quasi-two sources is applied in an array antenna, whose properties are compared to those of the corresponding loop antenna array. We present experimental results to verify the simulated results. Full article
(This article belongs to the Special Issue Research and Applications of Antenna Miniaturization, Broadband and Multipolarization Technologies)
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12 pages, 3583 KiB  
Article
Smart Transfer Planer with Multiple Antenna Arrays to Enhance Low Earth Orbit Satellite Communication Ground Links
by Mon-Li Chang, Ding-Bing Lin, Hui-Tzu Rao, Hsuan-Yu Lin and Hsi-Tseng Chou
Electronics 2024, 13(17), 3581; https://doi.org/10.3390/electronics13173581 - 9 Sep 2024
Viewed by 1021
Abstract
In this study, we propose a smart transfer planer equipped with multiple antenna arrays to improve ground links for low Earth orbit (LEO) satellite communication. The STP features a symmetrical structure and is strategically placed on both ends of a window, serving both [...] Read more.
In this study, we propose a smart transfer planer equipped with multiple antenna arrays to improve ground links for low Earth orbit (LEO) satellite communication. The STP features a symmetrical structure and is strategically placed on both ends of a window, serving both indoor and outdoor environments. Using the window glass as a medium, energy transmission occurs through a coupling mechanism between the planers. The design focuses on large array antenna design, beamforming networks, and coupler design on both sides of the glass. Beamforming networks enable the indoor and outdoor antenna arrays to switch beams in various directions, optimizing high-gain antennas with narrow beamwidths. Through electromagnetic induction and filter couplers, a robust signal transmission channel is established between indoor and outdoor environments. This setup significantly enhances communication efficiency, particularly in non-line-of-sight environments. Full article
(This article belongs to the Special Issue Research and Applications of Antenna Miniaturization, Broadband and Multipolarization Technologies)
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