Ultra-Wideband Antennas for Biomedical Imaging Applications: A Survey

Microwave imaging is an active area of research that has garnered interest over the past few years. The main desired improvements to microwave imaging are related to the performances of radiating systems and identification algorithms. To achieve these improvements, antennas suitable to guarantee dem...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2022-04, Vol.22 (9), p.3230
Main Authors: Rafique, Umair, Pisa, Stefano, Cicchetti, Renato, Testa, Orlandino, Cavagnaro, Marta
Format: Article
Language:English
Subjects:
Algorithms
Antenna design
Antennas
Antennas (Electronics)
Bandwidths
Dielectric properties
Human body
Mammography
Measurement
Medical equipment
Medical imaging
Medical imaging equipment
microwave imaging
Near fields
near-field
Radiation
Review
Signal processing
Tumors
Ultrasonic imaging
Ultrawideband
UWB antennas
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Summary:Microwave imaging is an active area of research that has garnered interest over the past few years. The main desired improvements to microwave imaging are related to the performances of radiating systems and identification algorithms. To achieve these improvements, antennas suitable to guarantee demanding requirements are needed. In particular, they must operate in close proximity to the objects under examination, ensure an adequate bandwidth, as well as reduced dimensions and low production costs. In addition, in near-field microwave imaging systems, the antenna should provide an ultra-wideband (UWB) response. Given the relevance of the foreseen applications, many UWB antenna designs for microwave imaging applications have been proposed in the literature. In this paper, a comprehensive review of different UWB antenna designs for near-field microwave imaging is presented. The antennas are classified according to the manufacturing technology and radiative performances. Particular attention is also paid to the radiation mechanisms as well as the techniques used to reduce the size and improve the bandwidth.
ISSN:1424-8220
1424-8220
DOI:10.3390/s22093230