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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국정보처리학회 JIPS(Journal of Information Processing Systems) JIPS(Journal of Information Processing Systems) 제16권 제3호
발행연도
2020.1
수록면
733 - 741 (9page)

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A smart dust monitoring system is useful for obtaining information on rough terrain that is difficult for humansto access. One of ways to deploy sensors to gather information in smart dust environment is to use an aircraftin the Amazon rainforest to scatter an enormous amount of small and cheap sensors (or smart dust devices), orto use an unmanned spacecraft to throw the sensors on the moon’s surface. However, scattering an enormousamount of smart dust devices creates the difficulty of managing such devices as they can be scattered intoinaccessible areas, and also causes problems such as bottlenecks, device failure, and high/low density ofdevices. Of the various problems that may occur in the smart dust environment, this paper is focused on solvingthe bottleneck problem. To address this, we propose and construct a three-layered hierarchical smart dustmonitoring system that includes relay dust devices (RDDs). An RDD is a smart dust device with relativelyhigher computing/communicating power than a normal smart dust device. RDDs play a crucial role in reducingtraffic load for the system. To validate the proposed system, we use climate data obtained from authorizedportals to compare the system with other systems (i.e., non-hierarchical system and simple hierarchical system). Through this comparison, we determined that the transmission processing time is reduced by 49%–50%compared to other systems, and the maximum number of connectable devices can be increased by 16–32 timeswithout compromising the system’s operations.

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