2021
DOI: 10.3390/electronics10091093
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Digital Contact Tracing: Large-Scale Geolocation Data as an Alternative to Bluetooth-Based Apps Failure

Abstract: The currently deployed contact-tracing mobile apps have failed as an efficient solution in the context of the COVID-19 pandemic. None of them have managed to attract the number of active users required to achieve efficient operation. This urges the research community to re-open the debate and explore new avenues to lead to efficient contact-tracing solutions. In this paper, we contribute to this debate with an alternative contact-tracing solution that leverages the already available geolocation information own… Show more

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Cited by 15 publications
(13 citation statements)
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“…Only epidemiologically significant gatherings, i.e. lasting longer than 15 min [37], are considered; note that indoor airborne transmission of SARS-CoV-2 has been observed to occur on spatial scales comparable to those covered by Wi-Fi APs [38], making Wi-Fi a good tool to support traditional CT [39]. Two separate distributions Ψfalse(sfalse) (figure 4 a ) are calculated for time periods with two different levels of activity restrictions: partial opening and closure of the university [40] (see Methods).…”
Section: Resultsmentioning
confidence: 99%
“…Only epidemiologically significant gatherings, i.e. lasting longer than 15 min [37], are considered; note that indoor airborne transmission of SARS-CoV-2 has been observed to occur on spatial scales comparable to those covered by Wi-Fi APs [38], making Wi-Fi a good tool to support traditional CT [39]. Two separate distributions Ψfalse(sfalse) (figure 4 a ) are calculated for time periods with two different levels of activity restrictions: partial opening and closure of the university [40] (see Methods).…”
Section: Resultsmentioning
confidence: 99%
“…In contrast, our systems used low-cost and power efficient off-the-shelf sensors. In relation to privacy preserving purposes, our system is able to successfully track hospital/office staff inside the premises only where beacons/readers are installed, as opposed to other systems using geo-localisation [ 68 , 69 ].…”
Section: Related Workmentioning
confidence: 99%
“…There are also articles mainly focused on engineering issues, such as [16]- [18]. Unlike this work which proposes new generic cryptographic frameworks for contact tracing systems, these studies focus on implementing existing technologies and building concrete applications.…”
Section: B Related Workmentioning
confidence: 99%
“…For example, [18] uses a different approach that involves IoT, and only traces diagnosed users. Whereas [16] uses geolocation data in contact tracing but only presents possible methods to achieve privacy without analysis.…”
Section: B Related Workmentioning
confidence: 99%