An Approach for Selecting Active Nodes in Wireless Sensor Networks by Using Genetic Algorithms

Wireless sensor networks are used as an appropriate and efficient approach for controlling and monitoring. The main issues in these networks are saving energy and appropriate sensor covering of environment, so that the link between nodes and final connection of whole network are stable. There are approaches for solving these problems which select subset of nodes in each moment and keep them in active mode and other nodes remain in sleep mode. The problem of these approaches is that they cannot select subsets appropriately in large scale networks. In other words selecting active node is a NP problem. So in this paper in order to solve this problem, we use a genetic algorithm that has better efficiency than previous algorithms according to previous evaluations and results.