Proactive context-aware sensor networks

Authors:
Sungjin Ahn;Daeyoung Kim
Affiliations:
Real-time and Embedded Systems Laboratory, Information and Communications University (ICU), Daejeon, Korea;Real-time and Embedded Systems Laboratory, Information and Communications University (ICU), Daejeon, Korea
Venue:
EWSN'06 Proceedings of the Third European conference on Wireless Sensor Networks
Year:
2006

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Abstract

We propose a novel context detection mechanism in Wireless Sensor Networks, called PROCON. In PROCON, context decisions are made in a distributed way, by cooperation of nodes connected through a context overlay on the network. As a result, the sensor network can deliver context level information, not low level sensing data, directly to proper actuators. Moreover, PROCON achieves highly efficient energy consumption compared to the existing centralized context detection mechanism. The analysis and simulation results show that the proposed mechanism outperforms the existing centralized mechanism in average energy consumption, capability of mitigating congestion to a base station, context service lifetime, and reliability.