A New Chain Formation Scheme for Wireless Sensor Networks
AUTHORS
Se-Jung Lim,Assistant Professor, AI Liberal Arts Studies, Honam University, Republic of Korea
Byeong-Mu Shin,Doctoral Student, Interdisciplinary program of Smart City, Chonnam National University, Republic of Korea
ABSTRACT
In recent years, Wireless Sensor Networks (WSNs) have rapidly developed as an indispensable part of the Internet of Things (IoT). Since sensor nodes operate by limited battery, they consume the unbalanced energy during the intra-communication in uneven WSNs. By this, the network performance is decreased. Therefore, it is necessary to research energy-efficient routing algorithms. The chain-based routing algorithm has many advantages such as energy-saving and a longer lifetime for WSNs but has disadvantages such as unbalanced energy consumption and intra-communication distance. In this paper, a chain formation scheme is studied to improve the energy-unbalanced routing in chain-based routing algorithms for WSNs. We compared and analyzed the performance of our study and existing algorithms (PEGASIS and Enhanced PEGASIS) via simulation results. We used the OMNET++ simulator for simulation experiments and measured simulation results such as network lifetime and average residual energy from a WSN with randomly distributed sensor nodes. In simulation results, our proposed scheme outperforms both PEGASIS and Enhanced PEGASIS in terms of network lifetime and average residual energy. These results mean to bring about the unbalanced energy consumption caused by the long-distance communication of some nodes in PEGASIS and Enhanced PEGASIS. In other words, in simulation results, the balanced energy consumption of our scheme has verified.
KEYWORDS
Chain formation, Energy-balanced routing, Internet of things (IoT), K-D-B-tree, Wireless sensor networks (WSN)