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A Revised Timing-sync Protocol for Sensor Networks by a Polling Method
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 Title & Authors
A Revised Timing-sync Protocol for Sensor Networks by a Polling Method
Bae, Shi-Kyu;
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TPSN(Timing-sync Protocol for Sensor Networks), the representative of time synchronization protocol for WSN(wireless sensor networks), was developed to provide higher synchronization accuracy and energy efficiency. So, TPSN`s approach has been referenced by so many other WSN synchronization schemes till now. However, TPSN has a collision problem due to simultaneous transmission among competing nodes, which causes more network convergence delay for a network-wide synchronization. A Polling-based scheme for TPSN is proposed in this paper. The proposed scheme not only shortens network-wide synchronization time of TPSN, but also reduce collision traffic which lead to needless power consumption. The proposed scheme`s performance has been evaluated and compared with an original scheme by simulation. The results are shown to be better than the original algorithm used in TPSN.
Time Synchronization;TPSN(Timing-sync Protocol for Sensor Networks);Wireless Sensor Network;Collision;Polling;
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에너지 효율적인 무선 네트워크용 상호 시각 동기화 프로토콜,배시규;

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무선 인체 센서 네트워크용 시각 동기화 프로토콜,배시규;

정보처리학회논문지:컴퓨터 및 통신 시스템, 2016. vol.5. 6, pp.127-134 crossref(new window)
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