Journal
JOURNAL OF KING SAUD UNIVERSITY-COMPUTER AND INFORMATION SCIENCES
Volume 34, Issue 2, Pages 36-46Publisher
ELSEVIER
DOI: 10.1016/j.jksuci.2019.10.012
Keywords
Internet of Things (IoT); Wireless Sensor Networks (WSNs); Routing protocols; Zone-based Energy-Aware data coLlection; (ZEAL)
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This paper proposes an enhanced routing protocol, called E-ZEAL, which improves the performance of wireless sensor networks in terms of energy consumption and data delivery. By using a clustering algorithm, E-ZEAL finds the optimal path for the mobile-sink node, leading to reduced energy consumption and faster data transmission. Experimental results demonstrate that E-ZEAL significantly reduces energy consumption, improves data delivery, and prolongs the network's lifetime.
In the era of IoT, the energy consumption of sensor nodes in WSN is one of the main challenges. It is crucial to reduce energy consumption due to the limited battery life of the sensor nodes. Recently, Zone based Energy-Aware data coLlection (ZEAL) routing protocol is proposed to improve energy consumption and data delivery. In this paper, an enhancement to ZEAL is proposed to improve WSN performance in terms of energy consumption and data delivery. Enhanced ZEAL (E-ZEAL) applies the K-means clustering algorithm to find the optimal path for the mobile-sink node. As well, it provides better selections for sub sink nodes. The experiments are performed using the ns-3 simulator. The performance of E-ZEAL is compared to ZEAL. E-ZEAL reduces the number of hops and distance by more than 50%, Leading to speed up the data-collection phase by more than 30% with complete delivery of data. Moreover, E-ZEAL improves the lifetime of the network by 30%. (c) 2019 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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