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Poster abstract: A congestion mitigation approach using mobile nodes in Wireless Sensor Networks

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3 Author(s)
Sergiou, C. ; Dept. of Comput. Sci., Univ. of Cyprus, Nicosia, Cyprus ; Koutroullos, M. ; Vassiliou, V.

When an event occurs in an area observed by a Wireless Sensor Network, a vast amount of information is transferred towards the sink(s) of the network. This phenomenon may sometimes result into network congestion and as a consequence packets may start dropping due to queue overflows. To our knowledge most proposed reactions to this phenomenon utilize only static nodes whereas a few utilize mobile sink(s). Our approach is focusing on using multiple mobile nodes to build Hard Alternate Disjoint Paths between some of the sources of the congested nodes and the sink(s) to mitigate congestion. Mobile Congestion Control (Mobile-CC) algorithm is applicable in areas where congestion happens repeatedly, or is of high duration or even permanent. If congestion happens for a very small period of time there will be no big benefit (in terms of congestion mitigation) when moving any nodes to that area, unless there is great probability of the event happening again at the same place.

Published in:

Information Processing in Sensor Networks (IPSN), 2011 10th International Conference on

Date of Conference:

12-14 April 2011