Presentation 2012-03-09
Optimization of Channel Efficiency Based on Moving Speed Prediction for Underwater Acoustic Communication
Hokuto UEDA, Yoshihiro KAWAHARA, Tohru ASAMI,
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Abstract(in English) There is an increasing demand of the realization of an Underwater Sensor Network that collects environmental monitoring data in the ocean. Acoustic communication is mainly used as a medium for Underwater Sensor Network. However, large propagation delay of sound incurs the increase of the waiting time in Automatic Repeat reQuest (ARQ) and results in the low channel utilization rate. In this paper, we propose a data link protocol that maximizes the channel efficiency of one sender and one receiver in USN. In the proposed method, the sender minimizes the unnecessary waiting time between data frames by predicting the next ACK reception time from the node velocity estimated by frame reception intervals.
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Keyword(in English) Underwater Acoustic Communication / Automatic Repeat Request
Paper # IN2011-179
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Committee IN
Conference Date 2012/3/1(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Optimization of Channel Efficiency Based on Moving Speed Prediction for Underwater Acoustic Communication
Sub Title (in English)
Keyword(1) Underwater Acoustic Communication
Keyword(2) Automatic Repeat Request
1st Author's Name Hokuto UEDA
1st Author's Affiliation Graduate School of Information Science and Technology, The University of Tokyo()
2nd Author's Name Yoshihiro KAWAHARA
2nd Author's Affiliation Graduate School of Information Science and Technology, The University of Tokyo:School of Electrical and Computer Engineering, Georgia Institute of Technology
3rd Author's Name Tohru ASAMI
3rd Author's Affiliation Graduate School of Information Science and Technology, The University of Tokyo
Date 2012-03-09
Paper # IN2011-179
Volume (vol) vol.111
Number (no) 469
Page pp.pp.-
#Pages 6
Date of Issue