Author： Kumar Sunil Kambhatla Kashyap K.R. Zan Bin Hu Fei Xiao Yang
Publisher： Inderscience Publishers
ISSN： 1748-1279
Source： International Journal of Sensor Networks, Vol.3, Iss.2, 2008-02, pp. : 123-133
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Abstract
It is important to consider fast and reliable detections of sensing events occurring in various parts of the sensor network. We propose a cluster-based, energy-aware event-detection scheme where events are reliably relayed to a sink in the form of aggregated data packets. The clustering scheme provides faster and better event detection and reliability control capabilities to the areas of the network where an event is occurring. It also reduces network overhead, latency and loss of even information due to cluster rotation. The proposed scheme has the following new features: a new concept of energy-level-based Cluster Head (CH) selection, event packet(s) being capable of transmitting from the CHs to the sink while the cluster(s) are being formed, the sink's assigning a dynamically adaptable reliability factor to clusters, a mechanism used to control the transmission rate of the sensors according to the assigned cluster reliability, etc.
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