A Distributed Energy-Efficient and Delay-Aware Data Gathering Protocol for Wireless Sensor Networks

High energy-efficiency and low transmission delay are most important for periodical data gathering applications in wireless sensor networks (WSNs). Therefore, the product of energy consumption and transmission delay, EnergyxDelay is a good metric for such performance evaluation. This paper presents a distributed energy-efficient and delay-aware data gathering protocol, which is efficient in the ways that it prolongs the lifetime of network, as well as takes less time to finish a transmission round. The simulation results show that it improves the average EnergyxDelay metric compared to other protocols.