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Integrated Real-Time Scheduling Strategy Based on Small-Scale Wireless Sensor Networks

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Nowadays, increasing attention has been directed towards the issue of timelines for real-time systems with wireless sensor network. However, the study of integrated real-time schedule strategy is rare. In this paper, we propose a novel real-time schedule strategy HRTSS (hard real-time schedule strategy) which meets time constraints of periodic tasks and sporadic tasks which exclusively access shared resources. For this purpose, we present the bus schedule table models of periodic tasks and sporadic tasks and resources access for shared resources. Based on these models, we present the accurate deadline-meeting schedule sequences which do not reach deadlock states. In addition, we further show that schedulability analysis can be done and the real-time scheduler is feasible in the small scale wireless sensor networks.
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Document Type: Research Article

Publication date: 2011-10-01

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