Abstract
Sensor nodes having the limited resource, energy efficiency is an important issue. Clustering on the sensor networks reduces the volume of inter-node communications and raises energy efficiency by transmitting the data collected from members by a cluster head via a sink node. But, due to radio frequency characteristics, interference and collision can occur between neighbor clusters, the resulted re-transmission is more energy consuming. The previous problems occurred between neighbor clusters can be resolved by assigning channels which do not overlap between neighbor clusters. In this paper, we propose a method which assigns and reuses channels which do not overlap between neighbor clusters in dynamic cluster sensor networks. The resource allocation model of the proposed method is analyzed by correctness and simplicity.
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