About multi-rate transmission in opportunistic multi-hop cognitive radio ad hoc networks (アドホックネットワーク)
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概要
- 論文の詳細を見る
Opportunistic spectrum access is a potential solution to improve wireless spectrum utilization where secondary users can occupy primary users spectrum. We investigates the impact of secondary users transmission using multiple data rates in opportunistic multi-hop cognitive radio ad hoc networks where secondary users are only allowed to transmit opportunistically during primary users idle duration. Simulation study using QualNet simulator shows that there exists an optimal data rate depending on the primary user activity. Based on the simulation results, this paper also proposed a rate adaption scheme that aims to find the optimal data rate with primary user activity consideration.
- 2011-02-28
著者
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Bandai Masaki
Shizuoka Univ. Hamamatsu Jpn
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Bandai Masaki
Faculty Of Informatics Shizuoka University
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WATANABE Takashi
Graduate School of Biomedical Engineering, Tohoku University
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RAPTINO Ari
Graduate School of Science and Technology, Shizuoka University
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Raptino Ari
Graduate School Of Science And Technology Shizuoka University
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Watanabe Takashi
Graduate Department Of Mathematical & Life Sciences Hiroshima Univ.
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Raptino H.
Graduate School of Science and Technology, Shizuoka University
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