A zone-based clustering method for ubiquitous robots based on wireless sensor networks

Authors:
Kyungmi Kim;Hyunsook Kim;Young Choi;Sukgyu Lee;Kijun Han
Affiliations:
Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Global Leadership School, Handong Global University, Bukgu, Pohang, Korea;Department of Electrical Engineering, Yeungnam University, 214-1 Dae-dong Gyongsan, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea
Venue:
EuroSSC'06 Proceedings of the First European conference on Smart Sensing and Context
Year:
2006

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Abstract

In this paper, we propose a topology configuration method for wireless sensor networks with an objective of well balancing energy consumption over all sensor nodes without generating any isolated sensor nodes. Our scheme has some attractive features: First, a high density node having good many neighbor nodes can be selected as a clusterhead in a zone. Second, reconfiguration of cluster can be carried out in a single zone, not all over network field, to reduce the number of nodes that participate in changing clusterheads. Third, multiple-hop transmissions between nodes or between clusterheads are possible. Finally, the proposed method can be applicable to various ubiquitous computing services including the ubiquitous robot (UR) based on wireless sensor networks. Simulation results show that our method outperforms LEACH and PEGASIS in terms of the system lifetime.