Performance optimization in structured wireless sensor networks

This paper presents a performance-optimization technique in a structured wireless sensor network that has a circular form and consists of several rings with many clusters. Optimization is done by varying the number of rings and by applying aggregation on the data transferred across the network up to the destination node. The main reason for this study is that the energy-limited sensor nodes may need to operate in time-constrained environments, in which both energy and time must be conserved. In this paper, we analyze the impact of ring density and data aggregation on energy consumption and transfer time. We also find an optimum structure consisting of a certain number of rings, whereby the sensor network operates with low consumption of energy and little transfer time.