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Symmetry
Special Issues
Recent Advances in Antenna Array Technologies
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Recent Advances in Antenna Array Technologies

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Engineering and Materials".

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 1796

Special Issue Editor

Prof. Dr. Shigang Zhou

E-Mail Website
Guest Editor
School of Electronics and Information, Northwestern Polytechnical University, Xi’an 710072, China
Interests: electromagnetic; antenna; microwave

Special Issue Information

Dear Colleagues,

With the development of radar and wireless communication technology, the antenna array is being used more and more. Many research studies on the antenna array have focused on the high-efficiency antenna array, active-phased array, multi-beam antenna array, MIMO antenna array, and the conformal antenna array. The idea of symmetry and asymmetry is widely used in antenna and array design, such as the feeding method, antenna element design, the array layout and so on. The objective of this Special Issue is to call the researchers and engineers from academia and industry to present the state of the art of the antenna array for future radar and communication systems.

Prof. Dr. Shigang Zhou
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. Symmetry is an international peer-reviewed open access monthly 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

  • phased array
  • MIMO
  • conformal antenna array
  • high efficiency

Published Papers (1 paper)

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Research

13 pages, 4899 KiB  
Article
Design of MIMO Antenna with Double L-Shaped Structure for 5G NR
by Zhonggen Wang, Wenshi You, Ming Yang, Wenyan Nie and Weidong Mu
Symmetry 2023, 15(3), 579; https://0-doi-org.brum.beds.ac.uk/10.3390/sym15030579 - 23 Feb 2023
Cited by 5 | Viewed by 1406
Abstract
To satisfy the demand for 5G communication to smartphone terminal antennas in element quantity and isolation, an eight-element wideband MIMO antenna set of high isolation level is proposed. Each antenna element in the array is a double-L antenna consisting of an L-shaped slot [...] Read more.
To satisfy the demand for 5G communication to smartphone terminal antennas in element quantity and isolation, an eight-element wideband MIMO antenna set of high isolation level is proposed. Each antenna element in the array is a double-L antenna consisting of an L-shaped slot and an L-shaped 50 Ω microstrip line. The L slot is formed by adding an I-shaped open circuit directly to the side of the rectangular slot. In addition, the antenna arrays are located on the long bezels on both sides of the mobile phone motherboard, and the coupling feed is made in the frequency range of 3.6–4.7 GHz through the L-shaped microstrip line, so as to cover the 5G NR band (N77/N78/N79). Finally, the four element pairs (8 components) achieve isolation of greater than 11 dB, the performance frequency range is 3.6–4.7GHz, the return loss is −6 dB, the total efficiency is greater than 85%, and the envelope correlation coefficient is less than 0.08. Other MIMO performances are also calculated, the design process is discussed in detail, and one-handed grip mode and two-handed grip mode are discussed to demonstrate their stabilities in real-world applications. Full article
(This article belongs to the Special Issue Recent Advances in Antenna Array Technologies)
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