Performance Comparison of Contention- and Schedule-based MAC Protocols in Urban Parking Sensor Networks

Abstract : Network traffic model is a critical problem for urban applications, mainly because of its diversity and node density. As wireless sensor network is highly concerned with the development of smart cities, careful consideration to traffic model helps choose appropriate protocols and adapt network parameters to reach best performances on energy-latency tradeoffs. In this paper, we compare the performance of two off-the-shelf medium access control protocols on two different kinds of traffic models, and then evaluate their application-end information delay and energy consumption while varying traffic parameters and network density. From the simulation results, we highlight some limits induced by network density and occurrence frequency of event-driven applications. When it comes to realtime urban services, a protocol selection shall be taken into account - even dynamically - with a special attention to energy-delay tradeoff. To this end, we provide several insights on parking sensor networks.
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Communication dans un congrès
WiMobCity - ACM International Workshop on Wireless and Mobile Technologies for Smart Cities, Aug 2014, Philadelphia, United States. pp.39-47, 2014, 〈10.1145/2633661.2633663〉
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Trista Lin, Hervé Rivano, Frédéric Le Mouël. Performance Comparison of Contention- and Schedule-based MAC Protocols in Urban Parking Sensor Networks. WiMobCity - ACM International Workshop on Wireless and Mobile Technologies for Smart Cities, Aug 2014, Philadelphia, United States. pp.39-47, 2014, 〈10.1145/2633661.2633663〉. 〈hal-01010778〉

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