Abstract
In W SNs, e nergy efficiency and low latency are considered as two key issues in designing routing protocol . This paper introduces two schemes to combine clustering strategy with chain routing algorithm in order to satisfy both energy and delay constraints in WSNs. Furthermore by one scheme, we propose a two layer hierarchical routing protocol called Chain Routing B ased on Coordinates-oriented Clustering Strategy ( CRBCC ), which gives a good compromise between energy consumption and delay . First, CRBCC makes balanced clustering according to y coordinates. That is to say, each cluster has approximately equal number of nodes . Second, CRBCC makes chain routing by simulated annealing algorithm (SA) inside the cluster and elects chain leader in the order of x coordinates. Third, CRBCC makes chain routing again by SA method among chain leaders. Simulation results show that CRBCC performs better than PEGASIS in terms of energy efficiency and network delay.
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