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Smart city article details

Title	Oms: Opportunistic Mules For Short Latency Data Collection In Smart Cities
ID_Doc	39701
Authors	Chehbour, F; Doukha, Z; Moussaoui, S; Guerroumi, M
Year	2020
Published	INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS, 33, 10
DOI	http://dx.doi.org/10.1002/dac.4207
Abstract	In smart city scenarios, data collected by sensors are required to be conveyed to central controllers for processing. Thus, efficient data collection mechanisms considering the urban environment characteristics should take place. To that end, the data mules approach is proved to be efficient. However, being applied to urban environment leads to high data delivery latency due to the characteristics of this environment. Motivated by the need to reduce the collection latency of such an approach, we propose to provide each road segment with a data mule to create a process of distributed data collection. Our scheme leverages opportunistic inter-vehicular communications for assigning the mule role to adequate vehicles. The simulation in realistic mobility settings reveals that our scheme can provide more than 80% of the area of interest with data mules in less than 1 minute. In addition, the data collection latency can be reduced from 24 hours to few minutes.
Author Keywords	data mules; data collection; opportunistic election; Sensors; short delay application; smart city; VANETs

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