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Electronics
Special Issues
Antennas for IoT Devices
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Antennas for IoT Devices

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 4151

Special Issue Editors

Dr. Nikolay Todorov Atanasov

E-Mail Website
Guest Editor
Department of Communication and Computer Engineering, South-West University “Neofit Rilski”, 2700 Blagoevgrad, Bulgaria
Interests: sensor and sensor networks; electromagnetic compatibility; wearable antennas; wireless communications; IoT; antenna design; computational electrodynamics; SAR; medical diagnostic and therapeutic applications of EMF; 3D printing antennas; antennas for 5G and 6G applications
Dr. Maria Seimeni-Tsumani

E-Mail Website
Guest Editor
School of Electrical and Computer Engineering, National Technical University of Athens, 9, Iroon Polytechniou Str., 15780 Zografou, Athens, Greece
Interests: microwave circuits; EMC systems engineering; wireless communications; antenna development; EMF modelling; human exposure; networks design; D&S standards; product development
Prof. Dr. Hussain Al-Rizzo

E-Mail Website
Guest Editor
Department of Systems Engineering, University of Arkansas at Little Rock, Little Rock, AR 72701, USA
Interests: design and analysis of flexible antennas, miniaturized microstrip antennas, and wireless systems; RF antennas and sensors based on carbon nanotube technologies and linearly and circularly polarized microstrip antennas for aerospace, GPS, and MIMO systems; high-power microwave heating systems; GPS receivers, data processing, and accuracy assessments; measurements of the electromagnetic constitutive parameters at microwave and millimeter-wave frequencies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Internet of Things (IoT) is a new technology that bridges the gap between the physical and virtual world by connecting different physical objects (from sensors and home electronics to robots) and people through communication networks. According to forecasts, in the near future, IoT will encompass billions of network-connected objects that will improve our quality of life and accelerate economic growth. Moreover, for the seamless connectivity of heterogeneous IoT devices, various wireless technologies (SigFox, LoRa, NB-IoT, LTE-M, Bluetooth, etc.) are necessary. Hence, antenna performance is critical for the reliability and efficiency of wireless connectivity of IoT devices.

This Special Issue aims to address the design and characterization of new antenna technologies (covering narrow, multiple, and wide frequency ranges) and analysis techniques to handle the diverse requirements of the wide range of IoT applications. Topics of interest include but are not limited to:

  • Antennas for IoT wearable devices;
  • NB-IoT antennas;
  • Critical communications IoT antennas;
  • Antennas for precision agriculture;
  • Antennas for environmental monitoring;
  • Internet of Underground Things antennas;
  • Rectennas for IoT devices;
  • New composite materials for IoT antennas;
  • 3D printing antennas for IoT and IoUT devices;
  • Procedures (passive and active) to test the performance of IoT antennas;
  • Human exposure to IoT antennas.

Dr. Nikolay Todorov Atanasov
Dr. Maria Seimeni-Tsumani
Prof. Dr. Hussain Al-Rizzo
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 design
  • NB-IoT antennas
  • IoT wearable antennas
  • precision agriculture antennas
  • wireless technologies
  • antennas for heterogeneous IoT devices
  • narrow band antennas
  • multiband antennas
  • wideband antennas
  • antenna metrology
  • antenna for smart sensors
  • Internet of Underground Things antennas
  • 3D printing antennas
  • antennas for 5G and 6G applications

Published Papers (2 papers)

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Research

22 pages, 5575 KiB  
Article
Advancing into Millimeter Wavelengths for IoT: Multibeam Modified Planar Luneburg Lens Antenna with Porous Plastic Material
by Javad Pourahmadazar, Bal S. Virdee and Tayeb A. Denidni
Electronics 2024, 13(9), 1605; https://0-doi-org.brum.beds.ac.uk/10.3390/electronics13091605 - 23 Apr 2024
Viewed by 355
Abstract
This paper introduces an innovative antenna design utilizing a cylindrical dielectric Luneburg lens tailored for 60 GHz Internet of Things (IoT) applications. To optimize V-band communications, the permittivity of the dielectric medium is strategically adjusted by precisely manipulating the physical porosity. In IoT [...] Read more.
This paper introduces an innovative antenna design utilizing a cylindrical dielectric Luneburg lens tailored for 60 GHz Internet of Things (IoT) applications. To optimize V-band communications, the permittivity of the dielectric medium is strategically adjusted by precisely manipulating the physical porosity. In IoT scenarios, employing a microstrip dipole antenna with an emission pattern resembling cos10 enhances beam illumination within the waveguide, thereby improving communication and sensing capabilities. The refractive index gradient of the Luneburg lens is modified by manipulating the material’s porosity using air holes, prioritizing signal accuracy and reliability. Fabricated with polyimide using 3D printing, the proposed antenna features a slim profile ideal for IoT applications with space constraints, such as smart homes and unmanned aerial vehicles. Its innovative design is underscored by selective laser sintering (SLS), offering scalable and cost-effective production. Measured results demonstrate the antenna’s exceptional performance, surpassing IoT deployment standards. This pioneering approach to designing multibeam Luneburg lens antennas, leveraging 3D printing’s porosity control for millimeter-wave applications, represents a significant advancement in antenna technology with scanning ability between −67 and 67 degrees. It paves the way for enhanced IoT infrastructure characterized by advanced sensing capabilities and improved connectivity. Full article
(This article belongs to the Special Issue Antennas for IoT Devices)
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12 pages, 7785 KiB  
Article
A Compact 2.4 GHz L-Shaped Microstrip Patch Antenna for ISM-Band Internet of Things (IoT) Applications
by Muhammad Fitra Zambak, Samir Salem Al-Bawri, Muzammil Jusoh, Ali Hanafiah Rambe, Hamsakutty Vettikalladi, Ali M. Albishi and Mohamed Himdi
Electronics 2023, 12(9), 2149; https://0-doi-org.brum.beds.ac.uk/10.3390/electronics12092149 - 08 May 2023
Cited by 3 | Viewed by 2998
Abstract
Wireless communication technology integration is necessary for Internet of Things (IoT)-based applications to make their data easily accessible. This study proposes a new, portable L-shaped microstrip patch antenna with enhanced gain for IoT 2.4 GHz Industrial, Scientific, and Medical (ISM) applications. The overall [...] Read more.
Wireless communication technology integration is necessary for Internet of Things (IoT)-based applications to make their data easily accessible. This study proposes a new, portable L-shaped microstrip patch antenna with enhanced gain for IoT 2.4 GHz Industrial, Scientific, and Medical (ISM) applications. The overall dimensions of the antenna are 28 mm × 21 mm × 1.6 mm (0.22λo × 0.17λo × 0.013λo, with respect to the lowest frequency). The antenna design is simply comprised of an L-shape strip line, with a full ground applied in the back side and integrated with a tiny rectangular slot. According to investigations, the developed antenna is more efficient and has a greater gain than conventional antennas. The flexibility of the antenna’s matching impedance and performance are investigated through several parametric simulations. Results indicate that the gain and efficiency can be enhanced through modifying the rectangular back slot in conjunction with fine-tuning the front L-shaped patch. The finalized antenna operates at 2.4 GHz with a 98% radiation efficiency and peak gains of 2.09 dBi (measured) and 1.95 dBi (simulated). The performance of the simulation and measurement are found to be in good agreement. Based on the performance that was achieved, the developed L-shaped antenna can be used in a variety of 2.4 GHz ISM bands and IoT application environments, especially for indoor localization estimation scenarios, such as smart offices and houses, and fourth-generation (4G) wireless communications applications due to its small size and high fractional bandwidth. Full article
(This article belongs to the Special Issue Antennas for IoT Devices)
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