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Microwave Devices and Wireless Sensors

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

Deadline for manuscript submissions: closed (31 July 2020) | Viewed by 4509

Special Issue Editor


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Guest Editor
Department of Civil, Environmental and Mechanical Engineering (DICAM), University of Trento, 38123 Trento, Italy
Interests: microwave systems and devices; RFID; modulated scattering techniques (MST); microwave antenna; microwave sensors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It’s my great pleasure to announce this Special Issue on “Microwave Devices and Wireless Sensors”.

The recent advancements in microwave technologies have made wireless sensors an assessed technology that can be widely used for different practical applications. The key advantages of modern microwave systems are the low cost, strong miniaturisation and the capability of transmitting information with an high bandwidth and a long operative range. Thanks to these characteristics, wireless sensors based on microwave freqeuncy bands can be used for a large class of practical problems. Moreover, new scenarios introduced by Industry 4.0 and IoT technologies require miniaturized devices able to maintain their performance at high levels in any environment. Modern microwave wireless sensors must provide a high operative range, and the capability to measure different environmental parameters with high accuracy. The objective of this Special Issue is to provide an overview of the current research on microwave devices and systems for sensing and wireless sensor applications, as well as unconventional microwave devices and systems, highlighting the latest developments and innovations, and identifying new challenges and opportunities for application.

Suggested topics include but are not limited to:

  • Microwave RFID systems,
  • Modulated scattering technique (MST) sensors,
  • Microwave antennas,
  • Surface wave impedance (SWI) measurement systems,
  • Industry 4.0,
  • Internet of things (IoT),
  • Avoidance radar for automotive applications,
  • Microwave feeding network for microwave antenna array,
  • Reconfigurable microwave devices (filters, mixers, couplers),
  • Microwave measurement systems

Prof. Dr. Massimo Donelli
Guest Editor

Manuscript Submission Information

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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

  • microwave antennas
  • reconfigurable microwave devices
  • RFID sensors
  • modulated scattering technique (MST) sensors
  • microwave resonator sensors
  • microwave antennas as sensors

Published Papers (1 paper)

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Research

14 pages, 7412 KiB  
Article
Design of Quad-Port Ultra-Wideband Multiple-Input-Multiple-Output Antenna with Wide Axial-Ratio Bandwidth
by Pawan Kumar, Shabana Urooj and Areej Malibari
Sensors 2020, 20(4), 1174; https://doi.org/10.3390/s20041174 - 20 Feb 2020
Cited by 15 | Viewed by 3940
Abstract
This article presents a compact, planar, quad-port ultra-wideband (UWB) multiple-input–multiple-output (MIMO) antenna with wide axial ratio bandwidth (ARBW). The proposed MIMO design consists of four identical square-shaped antenna elements, where each element is made up of a circular slotted ground plane and feed [...] Read more.
This article presents a compact, planar, quad-port ultra-wideband (UWB) multiple-input–multiple-output (MIMO) antenna with wide axial ratio bandwidth (ARBW). The proposed MIMO design consists of four identical square-shaped antenna elements, where each element is made up of a circular slotted ground plane and feed by a 50 Ω microstrip line. The circular polarization is achieved using a protruding hexagonal stub from the ground plane. The four elements of the MIMO antenna are placed orthogonally to each other to obtain high inter-element isolation. FR-4 dielectric substrate of size 45 × 45 × 1.6 mm3 is used for the antenna prototype, and a good agreement is noticed among the simulated and experimental results. The proposed MIMO antenna shows 3-dB ARBW of 52% (3.8–6.5 GHz) and impedance bandwidth (S11 ≤ −10 dB) of 144% (2.2–13.5 GHz). Full article
(This article belongs to the Special Issue Microwave Devices and Wireless Sensors)
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