An improved energy-efficient routing algorithm in software define wireless sensor network

Abstract

Wireless Sensor Network (WSN) is widely used in IOT, military and environmental application. However, WSN is energy-constrained and the network nodes placed in hostile environment are hard to replace. Therefore, designing an energy-efficient routing algorithm is significant. Many solutions have been proposed to optimize energy consumption in conventional wireless sensor network, but they don't work well. Software Defined Wireless Sensor Network (SDWSN) which separates the control plane and forwarding plane of network layer is proposed recently to work out this difficulty. In this paper, we design an efficient energy routing algorithm based on SDWSN. This novel routing algorithm which is operated in the controller establishes distance queue based on the information collecting from the nodes and computes the closest node to transmit data for each node. The simulation results show that the novel routing algorithm has better performance in extending the network lifetime and increasing the traffic of the whole network.