Optimal Sleep Scheduling Scheme for Wireless Sensor Networks Based on Balanced Energy Consumption

Node scheduling scheme of sensor nodes is one of the most important method to solve the energy-constrained wireless sensor networks. Because there are the defects that high computational complexity of exact location information and the energy consumption unbalance of location-unaware in traditional schemes. Aiming at these problems, an optimal sleep scheduling scheme based on balanced energy consumption (ECBS) was proposed in this paper. Accounting the residual energy, the precision for node redundancy evaluating was improved by using the distance information between the sensor and its neighbors. The numerical experiments results illustrate that our scheduling scheme may improve the energy efficiency and extends the network lifetime while ensure the coverage requirement.