@incollection{,
	
					
					
					0AC1F3B7D4628852B54C2A0FC0E255F3
				,
	author={{MuntasirAhmed} and {Md. AnwarHossain} and {A F M ZainulAbadin} and {Pabna Science and Technology University, Pabna-6600, Bangladesh}},
	journal={{Global Journal of Computer Science and Technology}},
	journal={{GJCST}}0975-41720975-435010.34257/gjcst,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}1321924
}

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	title={{Cognitive Radio Networks}}
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	publisher={CRC-Taylor & Francis Group}
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	year={2009}
		
	

}

@incollection{b1,
	
	
		,
	title={{Making Software Radios More Personal}}
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	author={{
			JMitola
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			GQMaguire
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			CognitiveRadio
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	title={{Wiley Encyclopedia of Telecommunications}}
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			,
	publisher={John Wiley & Sons, Inc}
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	year={2003}
		
	

}

@incollection{b3,
	
	
		,
	title={{Cognitive Radio: Brain-empowered Wireless Communications}}
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	author={{
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	journal={{IEEE J. Select. Areas Commun}}
		
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	year={2005}
		
	

}

@incollection{b4,
	
	
		,
	title={{}}
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	author={{
			KJ RLiu
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			AKSadek
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			WSu
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			AKwasinski
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		,
	journal={{Cooperative Communications and Networking}}
		
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	year={2008}
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	publisher={Cambridge University Press}
		
	

}

@book{b5,
	
	
		,
	author={{
			AMotamedi
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			ABahai
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	title={{MAC protocol design for spectrum agile wireless networks: Stochastic control approach -Proc. IEEE DySPAN'07}}
				
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	year={2007}
			
		
	

}

@book{b6,
	
	
		,
	author={{
			TDo
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			BLMark
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	title={{Joint spatial-temporal spectrum sensing for cognitive radio networks-Proc, Conf. on Information Sciences and Systems (CISS'09)}}
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	year={Mar. 2009}
		
	

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@book{b7,
	
	
		,
	author={{
			DTse
		} and {
			PViswanath
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		,
	title={{Fundamentals of Wireless Communication}}
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	publisher={Cambridge University Press}
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	year={2005}
		
	

}

@incollection{b8,
	
	
		,
	title={{Multihop diversity in wireless relaying channels}}
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	author={{
			JBoyer
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			HYanikomeroglu
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	journal={{IEEE Trans. Commun}}
		
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			10
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	year={2004}
		
	

}

@incollection{b9,
	
	
		,
	title={{Symbol error probabilities for general cooperative links}}
		,
	author={{
			ARibeiro
		} and {
			XCai
		} and {
			GBGiannakis
		}}
		
		
	
	
		,
	journal={{IEEE Trans. Wireless Commun}}
		
			4
			,
	year={2005}
		
	

}

@incollection{b10,
	
	
		,
	title={{}}
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	author={{
			MKSimon
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			M.-SAlouini
		}}
		
	
	
		,
	journal={{Digital Communication over Fading Channels}}
		
			,
	year={2004}
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	publisher={John Wiley & Sons, Inc}
		
	
	,
	note={2nd Edition}

}

@incollection{b11,
	
	
		,
	title={{Capacity theorems for wireless relay channels}}
		,
	author={{
			GKramer
		} and {
			MGastpar
		} and {
			PGupta
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	booktitle={{41st Allerton Conf. on Commun}}
				
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	year={2003}
		
	

}