A study on media access scheme for distributed spectrum sensing (ソフトウェア無線)
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概要
- 論文の詳細を見る
In cognitive radio (CR) systems with distributed spectrum sensing, spatially distributed sensors perform radio frequency (RF) sensing and forward the result to the CR. Such approach yields robust and reliable spectrum sensing to discover spectrum opportunity. The overall system performance depends both on the quality of sensing at the individual sensors and the forwarding scheme from the sensors to the CR. In this aspect the choice of appropriate media access (MAC) control plays significant role. In this paper we propose cross layer approach to yield a high performance distributed spectrum sensing scheme. The idea is based on exploiting idle waiting times to capture more signal energy. To demonstrate our idea, we provide computer simulation by considering energy detection based distributed spectrum sensors and some of the 802.15.4 MAC specification assumptions.
- 社団法人電子情報通信学会の論文
- 2010-02-24
著者
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SUM Chin-Sean
National Institute of Information and Communications Technology (NICT)
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Sum Chin
National Institute of Information and Communications Technology (NICT)
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Sum Chin‐sean
National Institute Of Information And Communications Technology (nict)
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Sum Chin
Nict
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Alemseged Yohannes
New Generation Wireless Communications Research Center Nation Institute Of Information And Communica
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Tran Ha
National Institute Of Information & Communications Technology (nict)
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SUN Chen
New Generation Wireless Communications Research Center National Institute of Information and Communi
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HARADA Hiroshi
New Generation Wireless Communications Research Center National Institute of Information and Communi
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D. ALEMSEGEDT
New Generation Wireless Communications Research Center National Institute of Information and Communi
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TRAN HaNguyen
New Generation Wireless Communications Research Center National Institute of Information and Communi
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Tran Hanguyen
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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D. ALEMSEGED
New Generation Wireless Communications Research Center National Institute of Information and Communi
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Harada H
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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Sun Chen
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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Sun Chen
New Generation Wireless Communications Research Center Nation Institute Of Information And Communica
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Tran Ha
New Generation Wireless Communications Research Center National Institute Of Information And Communi
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Sun Chen
National Institute Of Information And Communications Technology
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Sum Chin‐sean
独立行政法人情報通信研究機構
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Harada H
Laboratory Of Medicinal Plant Science Tokyo University Of Pharmacy And Life Science School Of Pharma
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Harada H
National Institute Of Information And Communications Technology
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Harada Hiroshi
New Generation Wireless Communications Research Center Nation Institute Of Information And Communica
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Tran Ha-nguyen
National Institute Of Information & Communications Technology (nict)
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