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Advanced Reconfigurable, Pattern-Diverse and Beam-Steering Antenna and Array Designs for...
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Advanced Reconfigurable, Pattern-Diverse and Beam-Steering Antenna and Array Designs for Communication and Sensing Applications

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 2025 | Viewed by 1783

Special Issue Editors

Dr. Hailiang Zhu

E-Mail Website
Guest Editor
School of Electronic and Information, Northwestern Polytechnical University, Xi’an 710072, China
Interests: antenna design; terahertz devices; metamaterials and metasurfaces
Dr. Yuanxi Cao

E-Mail Website
Guest Editor
School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Interests: multi-beam antenna; leaky-wave antenna; 3D printed antenna

Special Issue Information

Dear Colleagues,

The ability to form beams is a key antenna design feature in modern communication and sensing applications. Normally, steering, diversity and reconfigurable radiation patterns can be implemented by phased array antennas. However, the large number of TR components in antenna arrays have a relatively high cost, and the space their multiple radiators take up limits their application to various terminals. To overcome these limitations, several new antenna design technologies are proposed, e.g., a passive beamforming network, reconfigurable meta-surfaces, advanced phase shifters, quasi-optical lenses, etc., which enable radiation pattern control at a low cost and with high performance.

This Special Issue aims to highlight new research on advanced design techniques for reconfigurable, pattern-diverse, and beam-steering antennas and arrays. Researchers are welcome to submit original manuscripts for publication in this Special Issue. Topics of interest include, but are not limited to, the following:

(1) Reconfigurable antennas;

(2) Diversity antennas;

(3) Antenna arrays;

(4) Quasi-optical antennas;

(5) Antenna beamforming networks;

(6) Shared-aperture antenna arrays;

(7) Leaky-wave antennas;

(8) Advanced RF components for antenna beam steering;

(9) Optimization techniques for antenna beamforming.

Dr. Hailiang Zhu
Dr. Yuanxi Cao
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. 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

  • antenna arrays
  • antenna beamforming networks
  • reconfigurable antennas
  • pattern diversity
  • beamforming networks
  • multibeam antennas
  • leaky-wave antennas
  • metasurfaces
  • reflector antennas
  • transmission line matrix

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Published Papers (2 papers)

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Research

12 pages, 5343 KiB  
Article
A Wideband Orbital Angular Momentum Antenna Array Design for Wireless Communication
by Zhanbiao Yang, Kaiheng Zhang, Jiahao Zhang, Hongbo Liu, Yuanxi Cao and Sen Yan
Electronics 2025, 14(8), 1601; https://doi.org/10.3390/electronics14081601 - 15 Apr 2025
Viewed by 220
Abstract
In this paper, a wideband OAM antenna array for wireless communication is proposed, which has a wide impedance bandwidth and can cover the S-C band with a relative bandwidth of 61.58%. The measured gain can reach 7.81 dBi and the radiation efficiency can [...] Read more.
In this paper, a wideband OAM antenna array for wireless communication is proposed, which has a wide impedance bandwidth and can cover the S-C band with a relative bandwidth of 61.58%. The measured gain can reach 7.81 dBi and the radiation efficiency can reach 74.7%. Compared with similar antennas, the antenna array has a metal back cavity as the supporting structure, which further improves the structural stability of the array. The array adopts Z-shaped parasitic radiation units, a ring-shaped stepped metal reflection back cavity, and other structures. These can be verified to improve the performance of the array after design analysis and testing. In addition, the performance enhancement of a conventional Wilkinson divider by adding the S-shaped parasitic radiation patch is analysed by parameter scanning. The array is robust, simple to process, and easy to integrate. It can maximise its value in the crowded retrofit space of wireless antennas. Full article
(This article belongs to the Special Issue Advanced Reconfigurable, Pattern-Diverse and Beam-Steering Antenna and Array Designs for Communication and Sensing Applications)
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32 pages, 13267 KiB  
Article
Theoretical Proof and Implementation of Digital Beam Control and Beamforming Algorithm for Low Earth Orbit Satellite Broadcast Signal Reception Processing Terminal
by Haoran Shen, Jian Li, Xiaozhi Li, Ruiqi Cheng, Kexin Hao and Ziwei Wang
Electronics 2025, 14(3), 440; https://doi.org/10.3390/electronics14030440 - 22 Jan 2025
Viewed by 1308
Abstract
Compared to analog beamforming, digital beamforming offers better self-calibration and lower sidelobe performance, which has a profound impact on improving low Earth orbit receiver performance. The Digital Beamforming (DBF) module in the low Earth orbit satellite broadcast signal reception terminal can use digital [...] Read more.
Compared to analog beamforming, digital beamforming offers better self-calibration and lower sidelobe performance, which has a profound impact on improving low Earth orbit receiver performance. The Digital Beamforming (DBF) module in the low Earth orbit satellite broadcast signal reception terminal can use digital phase shifting to compensate for the phase differences caused by path and spatial distance variations due to inconsistent Radio Frequency (RF) channel delays. This compensation ensures in-phase summation, thereby achieving maximum energy reception in the desired direction. Although DBF has gained widespread attention in the radar field due to its unique functions and advantages, its application is limited by beamforming accuracy and gain. Therefore, with the development of DBF technology, how to improve its accuracy and gain has also attracted extensive attention both domestically and internationally. To address this issue, this paper proposes a beamforming method based on a cap-shaped array for low Earth orbit satellite broadcast signal reception and processing terminals. The method combines prior information and spatial domain search for beam control, and employs a lookup table for beam synthesis. It derives formulas for the Signal-to-Noise Ratio, noise figure, processing flow of the beamforming network, and the determination of beamforming weights for the spherical antenna array. The paper presents a beam control approach that combines prior information with spatial domain search, along with an implementation process for beam synthesis using a lookup table. It also details the corresponding Field-Programmable Gate Array (FPGA) implementation process. Finally, the beamforming algorithm is experimentally validated, and error analysis is conducted. The experimental results show that the measured beamforming sensitivity at all incident angles is below −133 dBm and the G/T values are all greater than −9 dB/K, the beam uniformity at three operating frequencies is less than 3°, and the measured errors in pitch and azimuth angles are both below 2°. The beam pointing error is also below 2°. Full article
(This article belongs to the Special Issue Advanced Reconfigurable, Pattern-Diverse and Beam-Steering Antenna and Array Designs for Communication and Sensing Applications)
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