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Issue No.12 - December (2011 vol.60)
pp: 1788-1801
Wei Dong , Zhejiang University, Hangzhou
Chun Chen , Zhejiang University, Hangzhou
Xue Liu , University of Nebraska Lincoln
Yunhao Liu , Tsinghua University
Jiajun Bu , Zhejiang University, Hangzhou
Kougen Zheng , Zhejiang University, Hangzhou
ABSTRACT
The development of a modern sensor network is difficult because of the long-term unattended operation mode, diverse application requirements, and stringent resource constraints. To address these issues, we present SenSpire OS, a predictable, flexible, and efficient operating system for wireless sensor networks. We improve system predictability by two-phase interrupt servicing and predictable thread synchronization; we achieve system flexibility by providing a hybrid model for both event-driven programming and multithreaded programming; we retain system efficiency by employing stack sharing and modular design. Moreover, we have designed a three-layer networking stack and an object-oriented programming language (CSpire) to enhance system usability and programming convenience. Having implemented SenSpire OS on three most commonly used sensor node platforms, we evaluate its performance extensively. Results show that SenSpire OS ensures predictable system performance, provides a flexible hybrid model for application programming, and is efficient in resource utilization.
INDEX TERMS
Wireless sensor networks, operating systems.
CITATION
Wei Dong, Chun Chen, Xue Liu, Yunhao Liu, Jiajun Bu, Kougen Zheng, "SenSpire OS: A Predictable, Flexible, and Efficient Operating System for Wireless Sensor Networks", IEEE Transactions on Computers, vol.60, no. 12, pp. 1788-1801, December 2011, doi:10.1109/TC.2010.58
REFERENCES
[1] International Technology Roadmap for Semiconductors (ITRS '07). http://www.itrs.net/Links/2007ITRSHome2007.htm , 2007.
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