Antennas for IoT Devices, 2nd Edition

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

Deadline for manuscript submissions: 15 June 2026 | Viewed by 912

Special Issue Editors


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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
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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
Special Issues, Collections and Topics in MDPI journals

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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

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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

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Published Papers (2 papers)

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Research

13 pages, 18874 KB  
Article
Dual-Band Multilayer Patch Antenna for Multiband Internet-of-Vehicles Applications
by Ebenezer Tawiah Ashong, Seungwoo Bang and Jae-Young Chung
Electronics 2025, 14(22), 4400; https://doi.org/10.3390/electronics14224400 - 12 Nov 2025
Viewed by 301
Abstract
The growing demand for internet-of-vehicles (IoV) communication requires compact antennas capable of supporting multiple frequency bands while maintaining stable radiation characteristics. This paper presents the design and validation of a multilayer microstrip patch antenna that achieves dual-band operation through the integration of shorting [...] Read more.
The growing demand for internet-of-vehicles (IoV) communication requires compact antennas capable of supporting multiple frequency bands while maintaining stable radiation characteristics. This paper presents the design and validation of a multilayer microstrip patch antenna that achieves dual-band operation through the integration of shorting vias, a coupled ring, and an embedded parasitic patch. Parametric studies confirm that the adopted techniques yield impedance bandwidths of 28% at 1.8 GHz and 6.4% at 2.4 GHz, with a low-profile structure of 0.055λ0. Measured results demonstrate omnidirectional radiation patterns across the intended bands with a maximum gain of 4.46 dBi at 2.57 GHz. Beyond simulated and laboratory verification, field tests were conducted using LTE communication to evaluate the antenna’s quality of service (QoS) under realistic vehicular conditions. To reduce system cost and simplify testing, a low-cost in-house signal meter based on a Raspberry Pi microcontroller was developed and employed to compare the proposed antenna with a commercial monopole. The results confirm that the multilayer patch antenna provides improved bandwidth, gain, and radiation stability, making it a compact and cost-effective candidate for multiband IoV and V2X communication systems. Full article
(This article belongs to the Special Issue Antennas for IoT Devices, 2nd Edition)
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16 pages, 5430 KB  
Article
Design of an IoT Mimetic Antenna for Direction Finding
by Razvan D. Tamas
Electronics 2025, 14(21), 4292; https://doi.org/10.3390/electronics14214292 - 31 Oct 2025
Viewed by 302
Abstract
This paper presents a method to design and optimize a mimetic, multi-band antenna for direction-finding applications based on multiple IoT mobile nodes for protecting sensitive areas. A set of 84 antenna configurations were selected based on possible resonant paths and simulated using a [...] Read more.
This paper presents a method to design and optimize a mimetic, multi-band antenna for direction-finding applications based on multiple IoT mobile nodes for protecting sensitive areas. A set of 84 antenna configurations were selected based on possible resonant paths and simulated using a Method of Moments (MoM)-based tool to compute resonant frequencies, VSWR, and gain across three frequency bands centered on 433 MHz, 877.5 MHz, and 2.4 GHz. Compared to a brute-force approach requiring 814 full-wave simulations, our technique dramatically reduces computing time by performing only 84 simulations, followed by a fine-tuning procedure targeting the antenna segments with the highest contribution to the error figure. The final design provides good gain and VSWR figures over almost all the frequency ranges of interest. Full article
(This article belongs to the Special Issue Antennas for IoT Devices, 2nd Edition)
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