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Applied Sciences
Special Issues
Antenna Design and Microwave Engineering
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Antenna Design and Microwave Engineering

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Electrical, Electronics and Communications Engineering".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 693

Special Issue Editors

Prof. Dr. Youngkyun Cho

E-Mail Website
Guest Editor
Department of Electronics Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
Interests: millimeter waver antennas; RF components; Nyquist and oversampling data converters; DC–DC power converters; CMOS integrated circuits
Dr. Jungnam Lee

E-Mail Website
Guest Editor
Electronics and Telecommunications Research Institute (ETRI), Daejeon 34129, Republic of Korea
Interests: antennas; antenna design; antennas and propagation; electromagnetics; antenna engineering; microwave engineering; electromagnetic engineering; microwave technology; RF technologies; microwave

Special Issue Information

Dear Colleagues,

Welcome to the Special Issue of Applied Sciences on Antenna Design and Microwave Engineering. This collection of research articles serves as a comprehensive platform for sharing innovative advancements and breakthroughs in the fields of antennas and microwave engineering.

Antennas are the vital interface between electromagnetic waves and electronic systems, and their design is paramount for the efficient transmission and reception of data, be it for wireless communication, radar systems, satellite technology, or emerging IoT applications. Microwave engineering, on the other hand, plays a pivotal role in the development of high-frequency electronic components and systems, enabling seamless connectivity and high-speed data transfer.

This Special Issue brings together a diverse array of contributions covering topics ranging from novel antenna designs and modeling techniques to microwave components, advanced materials, and cutting-edge applications. We aim to stimulate discussions, inspire creativity, and foster collaboration in these rapidly evolving fields. We hope that the research presented here will inspire further progress and innovation in antenna design and microwave engineering.

We express our gratitude to all the authors for their valuable contributions and look forward to a rewarding exploration of the contents within this Special Issue. Topics of interest include, but are not limited to, the following:

  • Novel antenna designs;
  • Application specific antenna designs (MIMO, array, beamforming, multibeam antennas);
  • Reconfigurable intelligent surface (RIS) designs;
  • Antenna-on-chip (AoC) designs:
  • Microwave or baseband components;
  • Integrated circuits for RF systems;
  • Wireless communication systems.

Prof. Dr. Youngkyun Cho
Dr. Jungnam Lee
Guest Editors

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. Applied Sciences 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

  • novel antenna designs
  • application specific antenna designs (MIMO, array, beamforming, multibeam antennas)
  • reconfigurable intelligent surface (RIS) designs
  • antenna-on-chip (AoC) designs: microwave or baseband components
  • integrated circuits for RF systems
  • wireless communication systems

Published Papers (1 paper)

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Research

14 pages, 5072 KiB  
Article
A Novel Wideband Splitter for a Four-Element Antenna Array
by Bohumil Adamec, Juraj Machaj and Peter Brida
Appl. Sci. 2024, 14(4), 1593; https://doi.org/10.3390/app14041593 - 17 Feb 2024
Viewed by 423
Abstract
In the paper, a novel design of a wideband power splitter for a four-element antenna array using two RF antiphase segments is proposed. Based on a detailed analysis of the power splitter circuit, an analytical model was set up in the MATLAB environment. [...] Read more.
In the paper, a novel design of a wideband power splitter for a four-element antenna array using two RF antiphase segments is proposed. Based on a detailed analysis of the power splitter circuit, an analytical model was set up in the MATLAB environment. The derived analytical model allows the development of a design of the described structure for any operating frequency and estimates the properties of the designed structure. In addition to the RF electrical part, the copper cover is also considered in this study. The copper cover serves as both a support and shielding part of the proposed structure. The electrical part consists of two sections of transmission lines. The first transmission line is symmetrical, while the second transmission line is asymmetrical. The given transmission lines can be realized using any technology (microstrip, coaxial, etc.). A prototype of the proposed wideband splitter operating at 650 MHz with a fractional bandwidth of 84.3% was designed and tested in real-world conditions to prove the concept. The board of the manufactured prototype has dimensions of 25 × 152 mm. A double-sided FR4 material with a substrate height of 1.48 mm, copper thickness of 50μm, and ϵr ≅ 4.3, with a dielectric loss tangent of 0.021 was used to manufacture the prototype. The prototype was tested and its parameters were verified in practical conditions as a part of the current radio communication system for the 5G band. Under these conditions, verification measurements of the proposed splitter with a four-element antenna array were carried out. Full article
(This article belongs to the Special Issue Antenna Design and Microwave Engineering)
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