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Millimeter-Wave Antennas for 5G—2nd Edition

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Communications".

Deadline for manuscript submissions: 15 September 2026 | Viewed by 659

Special Issue Editor


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College of Electronics Information, Hangzhou Dianzi University, Hangzhou 310018, China
Interests: microwave dielectric ceramics and devices; piezoelectric/ferroelectric ceramics and their applications; new dielectric energy storage materials and devices
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Special Issue Information

Dear Colleagues,

Fifth generation (5G) wireless communication technology will revolutionize communication, enabling faster data transfer, lower latency and increased capacity.

Following the success of our previous Special Issue “Millimeter-Wave Antennas for 5G”, we would like to invite our colleagues once again to contribute their expertise, insights and findings in the form of original research articles and reviews for the current Special Issue.

The Special Issue focuses on the latest millimeter-wave antennas for 5G, covering topics related to their design and application, including basic elements, antenna arrays, beamforming and integration with other 5G system components. Antennas are essential parts of wireless communication systems, including sensor networks. Moreover, 5G technology is expected to revolutionize wireless sensor networks, and millimeter-wave antennas for 5G play a crucial role in their development and deployment. The advancements in millimeter-wave antennas for 5G can also have a significant impact on the development and deployment of RFID-based sensor systems.

The Special Issue covers a wide range of topics, which include, but are not limited to:

  • Novel millimeter-wave antenna and array designs
  • Advanced beamforming and reconfigurable systems
  • Antenna integration with RF front-ends and ICs
  • 5G millimeter-wave for wireless sensor networks
  • Millimeter-wave technology in RFID sensing
  • Materials and fabrication techniques for antenna performance
  • Channel modeling and propagation studies
  • Miniaturized and multi-band antenna solutions
  • AI/ML-assisted antenna design, novel materials, metamaterials and additive manufacturing

Dr. Minmin Mao
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 250 words) can be sent to the Editorial Office for assessment.

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. Sensors 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 2600 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

  • millimeter-wave
  • antennas
  • 5G

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Published Papers (1 paper)

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Research

17 pages, 5722 KB  
Article
Compact Modified Quatrefoil-Shaped Antenna with Dual-Circularly Polarized 28/38 GHz for 5G and Beyond Millimeter-Wave Applications
by Asmaa E. Farahat and Khalid F. A. Hussein
Sensors 2026, 26(6), 1890; https://doi.org/10.3390/s26061890 - 17 Mar 2026
Viewed by 420
Abstract
This paper presents a compact dual-band circularly polarized (CP) antenna designed for millimeter-wave applications at 28 and 38 GHz, which are critical for emerging 5G and beyond wireless communication systems. The single-element antenna features an ultra-small radiating patch of size 3.34 mm × [...] Read more.
This paper presents a compact dual-band circularly polarized (CP) antenna designed for millimeter-wave applications at 28 and 38 GHz, which are critical for emerging 5G and beyond wireless communication systems. The single-element antenna features an ultra-small radiating patch of size 3.34 mm × 3.34 mm and overall substrate footprint of 8 mm × 16 mm, implemented on a Rogers RO3003 substrate with a relative permittivity of 3 and thickness of 0.25 mm, making it highly suitable for space-constrained millimeter-wave front-end integration. Circular polarization is successfully achieved at both bands, with measured axial ratios of 1.4 dB at 28 GHz and 2.2 dB at 38 GHz. Surface current distribution is thoroughly analyzed at both frequencies, showing proper rotation and confirming the antenna’s ability to generate strong circular polarization. The antenna also exhibits high radiation efficiency (~87% at 28 GHz and ~82% at 38 GHz) and peak realized gains of 7.5 dBi and 5.5 dBi, respectively. Measured results demonstrate excellent impedance matching, stable radiation patterns, and strong agreement with simulations. The combination of compact size, robust CP performance, and efficient radiation makes the proposed antenna a promising candidate for circularly polarized millimeter-wave systems, including 5G base stations, user equipment, and future high-frequency wireless platforms. Full article
(This article belongs to the Special Issue Millimeter-Wave Antennas for 5G—2nd Edition)
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