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Personal Devices for Contact Tracing: Smartphones and Wearables to Fight Covid-19

journal contribution
posted on 2023-10-26, 09:22 authored by Pai Chet NgPai Chet Ng, Petros Spachos, Stefano Gregory, Konstantinos N. Plataniotis

Digital contact tracing has emerged as a viable tool supplementing manual contact tracing. To date, more than 100 contact tracing applications have been published to slow down the spread of highly contagious Covid-19. Despite subtle variabilities among these applications, all of them achieve contact tracing by manipulating the following three components: use of a personal device to identify the user while designing a secure protocol to anonymize the user's identity; leverage networking technologies to analyze and store the data; and exploit rich sensing features on the user device to detect the interaction among users and thus estimate the exposure risk. This article reviews the current digital contact tracing based on these three components. We focus on two personal devices that are intimate to the user: smartphones and wearables. We discuss the centralized and decentralized networking approaches that are used to facilitate the data flow. Lastly, we investigate the sensing feature available on smartphones and wearables to detect the proximity between any two users and present experiments comparing the proximity sensing performance between these two personal devices.

Funding

NSERC Alliance COVID-19 grant # 552130-20

History

Journal/Conference/Book title

IEEE Communications Magazine

Publication date

2021-09-01

Version

  • Published

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