Zong-Yi Lyu

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A wireless sensor network can be divided into several clusters. Each cluster has a number of sensors nodes and one of the nodes is elected as the coordinator, termed as head. The head is responsible for not the general mission but also collecting the sensed data of other nodes and routing to the sink. Accordingly, the energy-consumption is higher than other(More)
Wireless sensor networks consist of small battery powered devices with limited energy resources. The energy efficiency is key design that needs to be enhanced in order to improve the life-time of the network. However, the conventional cluster constructions are difficult to control the geographical area of a cluster. The methods usually generate(More)
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