Energy-efficient improvement for heterogeneous wireless sensor networks

Norah Tuah, Mahamod Ismail, Kasmiran Jumari

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Wireless Sensor Networks (WSNs) are composed of a large number of sensor nodes with sensing capabilities. A sensor node will use much energy during the communication process compared to the amount of energy used during its computational work. But, the sensor node used the battery which put significant constraint to the energy available to them. Therefore, the energy of a sensor node will drain quickly and will degrade the lifetime of the network. As a result, a node clustering algorithm and relay node selection scheme have been selected as the best way to use energy effectively in the network. In this study, three methods for improving the energy efficiency of clustering algorithms for wireless sensor networks are presented. The first method is to formulate a new equation for cluster head selection in three-level heterogeneous networks. The second is to use a single parameter, residual energy, to determine cluster head suitability in adaptive cluster head selection. The third is to use relay node selection scheme for intra-cluster communication between the cluster head node and the sink node. This study proposes a protocol called Relay Efficient Three-Level Energy (Relay-ETLE). The work has been compared with the Energy-Efficient Heterogeneous Clustered Scheme (EEHC) and Low-Energy Adaptive Clustering Hierarchy (LEACH) in terms of the lifetime of the network. The comparative results indicate that the lifetime of WSNs can be increased by approximately 78% compared to EEHC and 22% compared to LEACH.

Original languageEnglish
Pages (from-to)1687-1695
Number of pages9
JournalInformation Technology Journal
Volume11
Issue number12
DOIs
Publication statusPublished - 2012

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Sensor nodes
Wireless sensor networks
Clustering algorithms
Communication
Heterogeneous networks
Electron energy levels
Energy efficiency
Network protocols

Keywords

  • Energy-efficiency
  • Heterogeneous wireless sensor networks
  • Node clustering algorithm
  • Relay node selection scheme

ASJC Scopus subject areas

  • Computer Science (miscellaneous)

Cite this

Energy-efficient improvement for heterogeneous wireless sensor networks. / Tuah, Norah; Ismail, Mahamod; Jumari, Kasmiran.

In: Information Technology Journal, Vol. 11, No. 12, 2012, p. 1687-1695.

Research output: Contribution to journalArticle

Tuah, Norah ; Ismail, Mahamod ; Jumari, Kasmiran. / Energy-efficient improvement for heterogeneous wireless sensor networks. In: Information Technology Journal. 2012 ; Vol. 11, No. 12. pp. 1687-1695.
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