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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Institute of Information Scientists and Engineers Journal of Computing Science and Engineering Journal of Computing Science and Engineering Vol.9 No.2
- 발행연도
- 2015.6
- 수록면
- 83 - 97 (15page)
이용수
초록· 키워드
오류제보하기
IEEE 802.15.4 is a global standard designed for emerging applications in low-rate wireless personal area networks (LRWPANs). The standard provides beneficial features, such as a beacon-enabled mode and guaranteed time slots for realtime data delivery. However, how to optimally operate those features is still an open issue. For the optimal operation of the features, this paper proposes a holistic optimization method that jointly optimizes three cross-related problems: cluster-tree construction, nodes’ power configuration, and duty-cycle scheduling. Our holistic optimization method provides a solution for those problems so that all the real-time packets can be delivered within their deadlines in the most energyefficient way. Our simulation study shows that compared to existing methods, our holistic optimization can guarantee the on-time delivery of all real-time packets while significantly saving energy, consequently, significantly increasing the lifetime of the network. Furthermore, we show that our holistic optimization can be extended to take advantage of the spatial reuse of a radio frequency resource among long distance nodes and, hence, significantly increase the entire network capacity.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. RELATED WORK
Ⅳ. PROPOSED HOLISTIC OPTIMIZATION FRAMEWORK WITH NO SPATIAL REUSE OF RF RESOURCE
Ⅴ. EXTENSION TO SPATIAL REUSE OF AN RF RESOURCE
Ⅵ. EXPERIMENTS
Ⅶ. CONCLUSION
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2016-569-001673820