Abstract
We herein propose an energy-efficient protocol for data collection in a large-scale wireless sensor network (WSN), called Broadcast and Collect (B&C), which broadcasts predicted sensor information and collects actual sensor information that differs significantly from that predicted based on past sensor information. The B&C method collects sensor information from large numbers of wireless sensor nodes quickly with little communication traffic and low power consumption. In recent years, the WSN, in which large numbers of wireless sensor nodes are installed to environment, has attracted attention as an environmental management method. The WSN requires information to be collected quickly from a wireless sensor node with little communication traffic and low power consumption. In this study, we investigate the proposed method through an experiment in the real environment using wireless sensor nodes. The experimental results reveal that the B&C method can reduce communication traffic and power consumption when there are large numbers of wireless sensor nodes in the environment.
Published Version
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