QoS and energy aware routing algorithm for wireless sensor networks
Shunliang Mei · Journal of Tsinghua University(Science and Technology) · 2007
A delay-constrained energy efficient routing algorithm for wireless sensor networks was developed to minimize network energy consumption while meeting the quality-of-service(QoS) demands.The algorithm combines route planning with hop count selection and transmission rate setting.The algorithm employs probabilistic analyses to derive the optimal hop count and the corresponding transmission rate.Intermediate nodes on the routing path are then selected hop by hop according to a relay-selection algorithm.Both theoretical analyses and simulation results show that the algorithm not only guarantees end-to-end QoS,but also significantly reduces routing energy consumption.