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학술대회 Reference-Based Efficient Time Synchronization Protocol in Wireless Sensor Networks
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저자
이좌형, 장병태
발행일
201310
출처
International Conference on Information and Communication Technology Convergence (ICTC) 2013, pp.671-676
DOI
https://dx.doi.org/10.1109/ICTC.2013.6675448
협약과제
13IC2300, 해상 애드혹 네트워크 기반 선박 안전운항 솔루션 개발, 임동선
초록
Since sensor nodes operate on the same timeline, for successful cooperation, time synchronization is an important requirement in a wireless sensor network. Message packets with time information are used for this time synchronization. However, since wireless sensor nodes have limited battery capacities, the excessive use of message packets shortens their lifetimes. In this paper, a reference interpolation protocol is proposed to reduce the number of messages for time synchronization. The proposed method performs time interpolation between the reference packet times and the global time of a base station. It completes time synchronization with only two message packets. © 2013 IEEE.
KSP 제안 키워드
Excessive use, Reference-based, Static wireless sensor networks(WSNs), Synchronization Protocol, Time information, Time interpolation, Time synchronization, base station(BS), wireless sensor node