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Dynamic event region detection is an important application of wireless sensor networks. The position of event region should be transmitted to the base station in good time. A routing scheme based on gradient field and cluster is advised to track dynamic event region. The gradient field is set up after sensors are deployed. Only the event sensors are organized into clusters and then the cluster heads send the event information to the base station through the gradient paths respectively. When no event occurs, no data will be reported. When event occurs, data will be reported periodically. This scheme is of low traffic, low computational complexity and low delay. Computer simulations verified the effectiveness of this scheme.
Future Computer and Communication (ICFCC), 2010 2nd International Conference on (Volume:3 )
Date of Conference: 21-24 May 2010