A survey on vital signs monitoring based on Wi-Fi CSI data.

Comput Commun

MídiaCom Lab, Institute of Computing, Universidade Federal Fluminense, Av. Gal. Milton Tavares de Souza s/n São Domingos, Niterói, 24210-346, Rio de Janeiro, Brazil.

Published: November 2022

The COVID-19 pandemic further highlighted the need to use low-cost remote monitoring procedures for medical patients. Since the results reported in the literature have shown that the use of Channel State Information (CSI) from Wi-Fi networks to remotely monitor patients can provide means to obtain a powerful medical information package in a non-invasive way and at low cost, a consistent review and analysis of the state of the art on this applied technique is developed in the present work. Initially, a mathematical overview of the CSI technology and its functional model is done. Subsequently, details about the technical approach necessary to use CSI in medical applications and a summary of the studies reported in the literature with such applications are presented. Based on the analyses and discussions carried out throughout this work, a better understanding of the current state of the art is achieved. Challenges and perspectives for future research are also highlighted.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9375645PMC
http://dx.doi.org/10.1016/j.comcom.2022.08.004DOI Listing

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