Towards a Sustainable City for Cyclists: Promoting Safety through a Mobile Sensing Application
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comunitat-uji-handle2:10234/7038
comunitat-uji-handle3:10234/8634
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Title
Towards a Sustainable City for Cyclists: Promoting Safety through a Mobile Sensing ApplicationDate
2021-03-01Publisher
Multidisciplinary Digital Publishing InstituteBibliographic citation
Boronat, P.; Pérez-Francisco, M.; Calafate, C.T.; Cano, J.-C. Towards a Sustainable City for Cyclists: Promoting Safety through a Mobile Sensing Application. Sensors 2021, 21, 2116. https://doi.org/ 10.3390/s21062116Type
info:eu-repo/semantics/articlePublisher version
https://www.mdpi.com/1424-8220/21/6/2116Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
Riding a bicycle is a great manner to contribute to the preservation of our ecosystem.
Cycling helps to reduce air pollution and traffic congestion, and so, it is one of the simplest ways to
lower the environmental ... [+]
Riding a bicycle is a great manner to contribute to the preservation of our ecosystem.
Cycling helps to reduce air pollution and traffic congestion, and so, it is one of the simplest ways to
lower the environmental footprint of people. However, the cohabitation of cars and vulnerable road
users, such as bikes, scooters, or pedestrians, is prone to cause accidents with serious consequences.
In this context, technological solutions are sought that enable the generation of alerts to prevent these
accidents, thereby promoting a safer city for these road users, and a cleaner environment. Alert
systems based on smartphones can alleviate these situations since nearly all people carry such a
device while traveling. In this work, we test the suitability of a smartphone based alert system,
determining the most adequate communications architecture. Two protocols have been designed to
send position and alert messages to/from a centralized server over 4G cellular networks. One of the
protocols is implemented using a REST architecture on top of the HTTP protocol, and the other one is
implemented over the UDP protocol. We show that the proposed alarm system is feasible regarding
communication response time, and we conclude that the application should be implemented over
the UDP protocol, as response times are about three times better than for the REST implementation.
We tested the applications in real deployments, finding that drivers are warned of the presence of
bicycles when closer than 150 m, having enough time to pay attention to the situation and drive more
carefully to avoid a collision. [-]
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Sensors 2021, 21, 2116Rights
info:eu-repo/semantics/openAccess
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