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37th Annual IEEE Conference on Local Computer Networks
HOPSCOTCH: An adaptive and distributed channel hopping technique for interference avoidance in Wireless Sensor Networks
Clearwater Beach, FL, USA USA
October 22-October 25
ISBN: 978-1-4673-1565-4
Dingwen Yuan, Secure Mobile Networking Lab, Technische Universität Darmstadt, Germany
Michael Riecker, Secure Mobile Networking Lab, Technische Universität Darmstadt, Germany
Matthias Hollick, Secure Mobile Networking Lab, Technische Universität Darmstadt, Germany
Interference is one of the key factors impacting the performance and robustness of Wireless Sensor Networks (WSN) operation. For serious WSN applications, it is crucial that interference mitigation acts in a fast and reliable fashion. We describe an adaptive and distributed channel hopping scheme, HOPSCOTCH1. Our scheme is novel in the sense that (1) it is built on a lightweight yet accurate metric to describe the interference, and (2) it is fully distributed in nature and combines a proactive, consent-based as well as a reactive, rendezvous-based hopping technique, which allow for robust operation even in adverse conditions. We show by extensive experimentation that our channel metric models real-world conditions accurately and that HOPSCOTCH provides a very fast response time to adapt the network to interference.
Index Terms:
Interference,IEEE 802.11 Standards,Signal to noise ratio,Wireless sensor networks,Noise measurement,interference mitigation,Network performance and robustness,adaptive channel hopping,distributed design
Citation:
Dingwen Yuan, Michael Riecker, Matthias Hollick, "HOPSCOTCH: An adaptive and distributed channel hopping technique for interference avoidance in Wireless Sensor Networks," lcn, pp.635-642, 37th Annual IEEE Conference on Local Computer Networks, 2012
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