Presentation	2010-01-21 Performance Analysis for Cooperative Sensing in Cognitive Radio Systems Ryuji MUTA, Ryuji KOHNO,
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Abstract(in English)	In frequency reuse based cognitive radio (CR), the CR system is able to use the frequency bands when they sense that primary radio (PR) systems are not using those bands. However, due to the effects of fading, individual cognitive radios may not be able to reliably detect the existence of a primary radio. Cooperative sensing is proposed as a means to mitigate such effects. In this paper, we focus on the coexistence between CR system and PR system. We analyze the effect of cooperation overhead on the throughput of CR system. Moreover, we also analyze the effect of frame length on the throughput and collision rate of CR system.
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Keyword(in English)	Cognitive Radio / Cooperative sensing / Throughput
Paper #	SR2009-78
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Committee	SR
Conference Date	2010/1/14(1days)
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Registration To	Software Radio(SR)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Performance Analysis for Cooperative Sensing in Cognitive Radio Systems
Sub Title (in English)
Keyword(1)	Cognitive Radio
Keyword(2)	Cooperative sensing
Keyword(3)	Throughput
1st Author's Name	Ryuji MUTA
1st Author's Affiliation	Division of Physics, Electrical and Computer Engineering, Yokohama National University()
2nd Author's Name	Ryuji KOHNO
2nd Author's Affiliation	Division of Physics, Electrical and Computer Engineering, Yokohama National University
Date	2010-01-21
Paper #	SR2009-78
Volume (vol)	vol.109
Number (no)	383
Page	pp.pp.-
#Pages	6
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