Presentation 2011-01-20
Proposal and evaluation of a stepwise synchronization-based inter-networking mechanism for wireless sensor networks
Hiroshi YAMAMOTO, Naoki WAKAMIYA, Masayuki MURATA,
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Abstract(in English) To realize the ambient information society, multiple wireless networks deployed in the region or carried by users are required to cooperate with each other. Since duty cycles and operational frequencies are different among networks, we need a mechanism to allow networks to efficiently exchange messages. In this paper, we propose a novel inter-networking mechanism where multiple wireless networks are synchronized with each other in a moderate manner, which we call stepwise synchronization. With our proposal, nodes at the border of networks adjust their operational frequency in a stepwise fashion to bridge the gap between intrinsic operational frequency. For this purpose, we adopt the pulse-coupled oscillator model as a fundamental theory of synchronization. Through simulation experiments, we show that the stepwise change in operational frequency emerges in spite of the difference of operational frequency between networks and the existence of packet loss.
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Keyword(in English) Wireless Sensor Network / Stepwise Synchronization / Pulse-Coupled Oscillator Model
Paper # USN2010-40
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Conference Date 2011/1/13(1days)
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Registration To Ubiquitous and Sensor Networks(USN)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Proposal and evaluation of a stepwise synchronization-based inter-networking mechanism for wireless sensor networks
Sub Title (in English)
Keyword(1) Wireless Sensor Network
Keyword(2) Stepwise Synchronization
Keyword(3) Pulse-Coupled Oscillator Model
1st Author's Name Hiroshi YAMAMOTO
1st Author's Affiliation Graduate School of Information Science and Technology, Osaka University()
2nd Author's Name Naoki WAKAMIYA
2nd Author's Affiliation Graduate School of Information Science and Technology, Osaka University
3rd Author's Name Masayuki MURATA
3rd Author's Affiliation Graduate School of Information Science and Technology, Osaka University
Date 2011-01-20
Paper # USN2010-40
Volume (vol) vol.110
Number (no) 378
Page pp.pp.-
#Pages 6
Date of Issue