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Research on the Priority-Based Soft Real-Time Task Scheduling in TinyOS

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5 Author(s)
Yan Zhao ; Sch. of Comput. Sci. & Technol., China Univ. of Min. & Technol., Xuzhou, China ; Qianping Wang ; Wei Wang ; Dong Jiang
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TinyOS is an open-source operating system, using Component Description Language NesC for development. TinyOS is designed mostly for wireless sensor network, in which nodes have very limited resources. A representative scheduling mechanism in TinyOS is analyzed and its shortcomings are listed in this paper. An improved design of the priority-based soft real-time task scheduling strategy is proposed after the analysis. After two experiments are carried out on the GAINS nodes, it shows that the new method can effectively improve the communication performance on wireless sensor networks.

Published in:

Information Technology and Computer Science, 2009. ITCS 2009. International Conference on  (Volume:1 )

Date of Conference:

25-26 July 2009