Journal of information and communication convergence engineering

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Context-Aware Mobile Gateway Relocation Scheme for Clustered Wireless Sensor Networks

  • Encarnacion, Nico N. (Department of Information and Telecommunication Engineering, Kunsan National University) ;
  • Yang, Hyunho (Department of Information and Telecommunication Engineering, Kunsan National University)
  • Received : 2012.06.04
  • Accepted : 2012.09.25
  • Published : 2012.12.31
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Abstract

In recent years, researchers have been attracted to clustering methods to improve communication and data transmission in a network. Compared with traditional wireless networks, wireless sensor networks are energy constrained and have lower data rates. The concept of implementing a clustering algorithm in an existing project on gateway relocation is being explored here. Low energy adaptive clustering hierarchy (LEACH) is applied to an existing study on relocating a gateway. The study is further improved by moving the gateway to a specific cluster based on the number or significance of the events detected. The protocol is improved so that each cluster head can communicate with a mobile gateway. The cluster heads are the only nodes that can communicate with the mobile gateway when it (the mobile gateway) is out of the cluster nodes' transmission range. Once the gateway is in range, the nodes will begin their transmission of real-time data. This alleviates the load of the nodes that would be located closest to the gateway if it were static.

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References

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