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http://dx.doi.org/10.6109/jkiice.2019.23.5.574

Link Cost based Routing Protocol for Improving Energy Efficiency in Wireless Sensor Networks  

Lee, Dae-hee (Department of Electrical, Electronics & Communication Engineering, Korea University of Technology and Education(KOREATECH))
Cho, Kyoung-woo (Department of Electrical, Electronics & Communication Engineering, Korea University of Technology and Education(KOREATECH))
Kang, Chul-gyu (Photo Team, SEMES Co., LTD.)
Oh, Chang-heon (Department of Electrical, Electronics & Communication Engineering, Korea University of Technology and Education(KOREATECH))
Abstract
Conventional energy efficient routing protocols apply high weight to energy among routing metrics, causing nodes to concentrate on energy efficient paths and quickly exhaust energy on those paths. The unbalanced energy consumption of these wireless sensor networks causes network division and malfunction, and reduces network lifetime. Therefore, in this paper, it proposes a link cost based routing protocol to solve the unbalanced energy consumption of wireless sensor networks. The proposed routing protocol calculates the link cost by applying the weight of the routing metric differently according to the network problem situation and selects the path with the lowest value. As a result of the performance analysis, it confirmed that the proposed routing protocol has 22% longer network life, 2% energy consumption standard deviation and 2% higher data reception rate than the existing AODV protocol.
Keywords
Wireless Sensor Network; Routing Protocol; Routing Metric; Link Cost; Weight;
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