Reconfigurable Intelligent Surface-Aided Indoor Radar Monitoring: A Feasibility Study

The application of radar technology in indoor people monitoring has opened up new avenues, such as localization and tracking, vital signs monitoring, and fall detection. Nevertheless, one of the significant challenges facing radar systems is the issue of indoor multipath propagation, which results i...

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Published inIEEE journal of electromagnetics, RF and microwaves in medicine and biology Vol. 7; no. 4; pp. 1 - 11
Main Authors Mercuri, Marco, Arnieri, Emilio, De Marco, Raffaele, Veltri, Pierangelo, Crupi, Felice, Boccia, Luigi
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 01.12.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Biomedical applications
cardiopulmonary activity
contactless
Doppler radar
Fall detection
Feasibility studies
Firefighters
Ghosts
Internet of Things
Localization
Monitoring
Propagation
Radar
Radar antennas
Radar cross-sections
Radar detection
Radar equipment
radar system
Radar tracking
Reconfigurable intelligent surfaces
remote human monitoring
Telemedicine
Tracking
Online AccessGet full text
ISSN2469-7249
2469-7257
DOI10.1109/JERM.2023.3298730

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Abstract The application of radar technology in indoor people monitoring has opened up new avenues, such as localization and tracking, vital signs monitoring, and fall detection. Nevertheless, one of the significant challenges facing radar systems is the issue of indoor multipath propagation, which results in radar ghosts that can diminish the detection accuracy or even compromise the monitoring process entirely. This study delves into the utilization of reconfigurable intelligent surfaces (RISs) in radar-based indoor people localization. Thanks to the use of RIS, targets can be tracked from multiple orientations, achieving a more precise estimation of the propagation channel and in turn mitigating the effects of indoor multipath propagation. As a result, the detection performance of the radar system can be improved without increasing the radar's complexity. Empirical evidence gathered from experiments conducted in a laboratory environment has demonstrated the feasibility of the proposed approach in accurately locating multiple subjects in a two-dimensional (2-D) space while being able to reject radar ghosts. Practical implications of this novel approach include the development of smart building systems, Internet of Things (IoT), telemedicine, Hospital 4.0, automated nurse call solutions, ambient assisted living, firefighter tracking, and security applications.
AbstractList The application of radar technology in indoor people monitoring has opened up new avenues, such as localization and tracking, vital signs monitoring, and fall detection. Nevertheless, one of the significant challenges facing radar systems is the issue of indoor multipath propagation, which results in radar ghosts that can diminish the detection accuracy or even compromise the monitoring process entirely. This study delves into the utilization of reconfigurable intelligent surfaces (RISs) in radar-based indoor people localization. Thanks to the use of RIS, targets can be tracked from multiple orientations, achieving a more precise estimation of the propagation channel and in turn mitigating the effects of indoor multipath propagation. As a result, the detection performance of the radar system can be improved without increasing the radar's complexity. Empirical evidence gathered from experiments conducted in a laboratory environment has demonstrated the feasibility of the proposed approach in accurately locating multiple subjects in a two-dimensional (2-D) space while being able to reject radar ghosts. Practical implications of this novel approach include the development of smart building systems, Internet of Things (IoT), telemedicine, Hospital 4.0, automated nurse call solutions, ambient assisted living, firefighter tracking, and security applications.
Author Mercuri, Marco
De Marco, Raffaele
Arnieri, Emilio
Veltri, Pierangelo
Boccia, Luigi
Crupi, Felice
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SubjectTerms Biomedical applications
cardiopulmonary activity
contactless
Doppler radar
Fall detection
Feasibility studies
Firefighters
Ghosts
Internet of Things
Localization
Monitoring
Propagation
Radar
Radar antennas
Radar cross-sections
Radar detection
Radar equipment
radar system
Radar tracking
Reconfigurable intelligent surfaces
remote human monitoring
Telemedicine
Tracking
Title Reconfigurable Intelligent Surface-Aided Indoor Radar Monitoring: A Feasibility Study
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