Enhanced SWEET protocol for energy efficient wireless sensor networks

Abstract

SWEET routing protocol is one of the many pro- tocols developed for cluster formation and routing in wireless sensor networks. The SWEET protocol is a decentralized clus- tering protocol, it uses timers and interim updated cluster head estimation probability. This paper focus on the details of the initialization waiting time, sleeping mode and base station in order to increase the life cycle of the network. The initial waiting time’s resizing procedure is carried by a weighting factor which is computed from the delay slot time and delay frame time. Other improvements are the introduction of sleeping mode energy saving technique. The last contribution is through the enabled base station’s ability to become a cluster head. A simulation based performance evaluation of our proposed EN-SWEET protocol shows superiority in energy efficiency.