Adaptive Sink Mobility For Energy-Efficient Data Collection In Grid-Based Wireless Sensor Networks
INTERNATIONAL JOURNAL OF AD HOC AND UBIQUITOUS COMPUTING(2018)
摘要
Many recent studies show that sink mobility in wireless sensor networks (WSNs) preserves the energy of the sensors for a longer network lifetime. These approaches require generally a logical organisation of the network within clusters, such as a grid. However, constructing such a grid is costly and requires several rounds of messages exchanged between sensors which outbalance the benefits of the approach. To tackle this drawback, we propose an energy-based cell-head (CH) selection combined with a sink mobility algorithm to minimise energy consumption of sensor nodes and optimise data collection. The proposed approach is termed EASY for energy-aware sink mobility. Experimentation results confirm that our solution offers better performance compared to existing approaches.
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关键词
energy saving, grid-based wireless sensor networks, sink mobility
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