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Antennas for Wireless Communications

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 478

Special Issue Editor


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Guest Editor
School of Computing, Engineering & the Built Environment, Edinburgh Napier University, Edinburgh EH10 5DT, UK
Interests: MIMO/diversity antennas; 5G/6G antennas; MM-wave phased arrays; multi-band/UWB antennas; RFID antennas; metamaterials and metasurfaces; Fabry resonators; fractal antennas; band-pass/band-stop microwave filters; reconfigurable structures; power amplifiers; electromagnetic wave propagation
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Special Issue Information

Dear Colleagues,

Over the past few years, significant research efforts have been directed toward the development of antennas, focusing on key parameters such as wide and multiple frequency coverage, compact size, energy efficiency, and ease of integration. Advanced antenna configurations like MIMO, phased arrays, and adaptive antennas play a crucial role in enhancing system capacity through beamforming, smart signal processing, and adaptive techniques to meet the demands of next-generation wireless networks. Innovations in antenna design contribute to the development of advanced sensing capabilities, particularly in applications like IoT, wireless networks, and wireless sensor networks.

This Special Issue aims to cover advances and developments in antennas for wireless communication systems. We invite researchers to submit original research or review papers addressing topics such as, but not limited to, the following:

Antenna design;

Antenna miniaturization;

MIMO and phased arrays;

AI-powered antennas;

Beamforming techniques;

Adaptive and smart antennas;

Wearable and flexible antennas;

Metamaterial and metasurface antennas;

Reconfigurable and switchable antennas;

Antenna integration with emerging technologies.

Submissions should reflect high-quality research not previously published or submitted elsewhere. Extended versions of conference papers demonstrating significant improvements (at least 50%) may also be considered.

Dr. Naser Ojaroudi Parchin
Guest Editor

Haleh Jahanbakhsh Basherlou
Guest Editor Assistant

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. 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

  • antenna
  • MIMO
  • wireless networks

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Published Papers (1 paper)

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Research

14 pages, 3609 KiB  
Article
A Compact Wideband Millimeter-Wave Crossover for Phased Array Antenna Systems in Remote Sensing Applications
by Fayyadh H. Ahmed, Rola Saad and Salam K. Khamas
Sensors 2025, 25(12), 3641; https://doi.org/10.3390/s25123641 - 10 Jun 2025
Viewed by 270
Abstract
A new compact, wideband, millimeter-wave microstrip crossover—designed without vias—demonstrates effective performance with an insertion loss of 2 dB across a wide frequency range. For Path 1, the operational bandwidth spans 11 GHz (13–24 GHz), while for Path 2, it extends over 10 GHz [...] Read more.
A new compact, wideband, millimeter-wave microstrip crossover—designed without vias—demonstrates effective performance with an insertion loss of 2 dB across a wide frequency range. For Path 1, the operational bandwidth spans 11 GHz (13–24 GHz), while for Path 2, it extends over 10 GHz (12–22 GHz). The overlapping bandwidth, maintaining the 2 dB insertion loss criterion, covers 9 GHz (13–22 GHz). The design introduces two transition mechanisms to achieve optimal scattering parameters for the crossover: a stair-shaped microstrip line (MST) to ground-backed coplanar waveguide (GCPW) for the initial crossed line (Path 1), and vertical coupling between microstrip and coplanar hourglass microstrip patches on a single-layer substrate for Path 2. This innovative approach ensures an insertion loss of approximately 1 dB for both paths across the bandwidth, with a slight increase beyond 20 GHz for Path 2 due to substrate losses. Both crossed lines maintain a return loss of 10 dB across the spectrum, with isolation of approximately 20 dB. This design presents a flat, compact, and via-less configuration, with physical dimensions measuring 6.5 mm × 7.6 mm. The proposed design exhibits excellent scattering parameters, which enhance the efficiency of phased array antenna systems in terms of power transfer between input and output ports, as well as improving isolation between different input ports in the feed network of these systems used in remote sensing. Consequently, this contributes to the increased sensitivity and accuracy of such systems. Full article
(This article belongs to the Special Issue Antennas for Wireless Communications)
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