Urbihoc: a delay tolerant approach for data acquisition in urban areas using a mobile wireless sensor network Online publication date: Mon, 28-Jan-2019
by Martha Montes-de-Oca; Javier Gomez; Miguel Lopez-Guerrero
International Journal of Sensor Networks (IJSNET), Vol. 29, No. 1, 2019
Abstract: In recent years several pieces of research have proposed the use of wireless mobile nodes to sense a wide diversity of phenomena in urban areas. Data collected by mobile sensors are typically sent to a central server in order to be shared with other users through cellular or WiFi networks. Unfortunately, the cost of deploying and maintaining such infrastructure may be prohibitively high. Furthermore, a disaster situation on the server side may cause the failure of the whole system. As an alternative approach, in this work we introduce Urbihoc, a data acquisition method that uses opportunistic transmissions to directly share data among mobile nodes. In this way, from local exchanges, Urbihoc builds up global knowledge about a monitored phenomenon. Our results suggest that, in some applications, it is possible to monitor a phenomenon over a large metropolitan area by using only the resources contributed by mobile users.
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