Tsinghua Science and Technology

2017, v.22(04) 413-426

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Distributed Algorithms for Event Reporting in Mobile-Sink WSNs for Internet of Things
Distributed Algorithms for Event Reporting in Mobile-Sink WSNs for Internet of Things

Catalina Aranzazu-Suescun;Mihaela Cardei;

摘要(Abstract):

Wireless Sensor Networks(WSNs) have many applications, such as climate monitoring systems, fire detection, smart homes, and smart cities. It is expected that WSNs will be integrated into the Internet of Things(IoT)and participate in various tasks. WSNs play an important role monitoring and reporting environment information and collecting surrounding context. In this paper we consider a WSN deployed for an application such as environment monitoring, and a mobile sink which acts as the gateway between the Internet and the WSN. Data gathering is a challenging problem in WSNs and in the IoT because the information has to be available quickly and effectively without delays and redundancies. In this paper we propose several distributed algorithms for composite event detection and reporting to a mobile sink. Once data is collected by the sink, it can be shared using the IoT infrastructure. We analyze the performance of our algorithms using WSNet simulator, which is specially designed for event-based WSNs. We measure various metrics such as average residual energy, percentage of composite events processed successfully at the sink, and the average number of hops to reach the sink.

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作者(Author): Catalina Aranzazu-Suescun;Mihaela Cardei;

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