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An Improved LEACH Routing Protocol for Energy-Efficiency of Wireless Sensor Networks

Nguyen, Duy Tan and Longzhe, Han and Nguyen, Dinh Viet and Minho, Jo (2012) An Improved LEACH Routing Protocol for Energy-Efficiency of Wireless Sensor Networks. Smart Computing Review, 2 (5). pp. 360-369. ISSN 2234-4624

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A wireless sensor network (WSN) is a wireless network consisting of a base station (BS) and multiple micro-sensor nodes. The micro-sensor nodes run on batteries that are not recharged during the network’s lifetime. Therefore, prolonging WSN lifetime is a significant problem. There are some energy-efficient hierarchical routing protocols designed especially for WSNs, such as sensor protocols for information negotiation (SPIN), low-energy adaptive clustering hierarchy (LEACH) and LEACH-centralized (LEACH-C). In this article, we propose an improvement on the LEACH routing protocol to decrease energy consumption and prolong network lifetime. LEACH-Distance Energy (LEACH-DE) selects a cluster head node not only by considering residual energy of the node greater than the average residual energy level of nodes in network, but also by examining the geometric distance between the candidate node to the BS as a key parameter. The results of simulation show our proposed algorithm outperforms LEACH and LEACH-C in terms of conserving energy and prolonging WSN lifetime.

Item Type: Article
Subjects: Information Technology (IT)
Divisions: Faculty of Information Technology (FIT)
Depositing User: Việt Nguyễn Đình
Date Deposited: 14 Jun 2018 07:01
Last Modified: 14 Jun 2018 07:01

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