Study on Preemptive Real-Time Scheduling Strategy for Wireless Sensor Networks

被引：3
|
作者：
Zhao Zhi-bin [1 ,2 ]
Gao Fuxiang [1 ]
机构：
[1] Northeastern Univ, Coll Informat Sci & Engn, Shenyang, Liaoning, Peoples R China
[2] Northeastern Univ, Inst Comp Software & Theory, Shenyang, Liaoning, Peoples R China
来源：
JOURNAL OF INFORMATION PROCESSING SYSTEMS | 2009年 / 5卷 / 03期
关键词：
real-time schedule; wireless sensor networks; two-level priority; TinyOS; dynamic schedule;
D O I：
10.3745/JIPS.2009.5.3.135
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Most of the tasks in wireless sensor networks (WSN) are requested to run in a real-time way. 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 indicate that RTS has a good performance both in communication throughput and over-load.
引用
收藏
页码：135 / 144
页数：10
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