Method for dynamic frequency selection and system supporting the same in a cognitive radio wireless communication system

Dynamic frequency selection based on CR is provided. A CR BS detects an interference-free and unused frequency band. When sensing a new BS that has great signal strength and requires the frequency band during communications in the frequency band, the CR BS releases the frequency band and dynamically...

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Main Authors Hui, Junhong, Hwang, Duck-Dong, Kim, Jae-Myeong, Yoo, Sang-Jo, Cho, Kyoung-Jin, Chung, Jae-Hak
Format Patent
LanguageEnglish
Published 08.11.2011
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Abstract Dynamic frequency selection based on CR is provided. A CR BS detects an interference-free and unused frequency band. When sensing a new BS that has great signal strength and requires the frequency band during communications in the frequency band, the CR BS releases the frequency band and dynamically selects another frequency band to avoid interference.
AbstractList Dynamic frequency selection based on CR is provided. A CR BS detects an interference-free and unused frequency band. When sensing a new BS that has great signal strength and requires the frequency band during communications in the frequency band, the CR BS releases the frequency band and dynamically selects another frequency band to avoid interference.
Author Hui, Junhong
Hwang, Duck-Dong
Yoo, Sang-Jo
Cho, Kyoung-Jin
Kim, Jae-Myeong
Chung, Jae-Hak
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References Johansson et al. (2006/0183423) 20060800
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Shellhammer et al. (7039358) 20060500
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Pridmore et al. (2008/0220749) 20080900
Su et al. (5247702) 19930900
Miller, II (7627326) 20091200
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Suzuki et al. (2003/0169697) 20030900
Brethour et al. (7444121) 20081000
Goren et al. (2002/0114382) 20020800
Alapuranen (7167463) 20070100
Examination Report isued by the Korean Intellectual Property Office on Aug. 16, 2011, in corresponding Korean Patent Application No. 10-2005-0105706 (4 pages).
Stine (7266085) 20070900
(PCT/IL01/00577) 20030100
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Title Method for dynamic frequency selection and system supporting the same in a cognitive radio wireless communication system
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