Search Word(s) in Title, Keywords, Authors, and Abstract: Dynamic Schedule

Study on Preemptive Real-Time Scheduling Strategy for Wireless Sensor Networks
ZHAO Zhi-bin and GAO Fuxiang
Page: 135~144, Vol. 5, No.3, 2009
10.3745/JIPS.2009.5.3.135
Keywords: Real-time Schedule, Wireless Sensor Networks, Two-level Priority, TinyOS, Dynamic Schedule
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Most of the tasks in wireless sensor networks (WSN) are requested to run in a real-timeway. Neither EDF nor FIFO can ensure real-time scheduling in WSN. A real-time scheduling strategy(RTS) is proposed in this paper. All tasks are divided into two layers and endued diverse priorities.RTS utilizes a preemptive way to ensure hard real-time scheduling. The experimental results indicatethat RTS has a good performance both in communication throughput and over-load.