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논문 기본 정보

자료유형
학술저널
저자정보
Yu Liu (Southern Illinois University Carbondale) Wei Zhang (Southern Illinois University Carbondale) Kemal Akkaya (Southern Illinois University Carbondale)
저널정보
Korean Institute of Information Scientists and Engineers Journal of Computing Science and Engineering Journal of Computing Science and Engineering Vol.4 No.2
발행연도
2010.6
수록면
128 - 152 (25page)

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초록· 키워드

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With the advance of computer and communication technologies, wireless sensor networks (WSNs) are increasingly used in many aspects of our daily life. However, since the battery lifetime of WSN nodes is restricted, the WSN lifetime is also limited. Therefore, it is crucial to determine this limited lifetime in advance for preventing service interruptions in critical applications. This paper proposes a feasible static analysis approach to estimating the worstcase lifetime of a WSN. Assuming known routes with a given sensor network topology and SMAC as the underlying MAC protocol, we statically estimate the lifetime of each sensor node with a fixed initial energy budget. These estimations are then compared with the results obtained through simulation which run with the same energy budget on each node. Experimental results of our research on TinyOS applications indicate that our approach can safely and accurately estimate worst-case lifetime of the WSN. To the best of our knowledge, our work is the first one to estimate the worst-case lifetime of WSNs through a static analysis method.

목차

1. INTRODUCTION
2. SYSTEM MODEL AND ASSUMPTIONS
3. S-MAC AND ITS ANALYSIS
4. WORST-CASE ENERGY AND LIFETIME ANALYSIS
5. EXPERIMENTAL EVALUATION
6. CONCLUSIONS
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UCI(KEPA) : I410-ECN-0101-2010-569-002480416