%0 Conference Paper %B ICC Workshop on Cognitive Radio Interfaces and Signal Processing (ICC CRISP) %D 2010 %T Dynamic Spectrum Leasing (DSL) in Dynamic Channels %A Georges El-Howayek %A Sudhaman K. Jayaweera %A Kamrul Hakim %A Gonzalo Vázquez-Vilar %A C. Mosquera %K cognitive radio %K DSL %K dynamic spectrum leasing %K game theory %K Rayleigh fading %K time-varying channels %K time-varying secondary system %B ICC Workshop on Cognitive Radio Interfaces and Signal Processing (ICC CRISP) %C Cape Town, South Africa %8 May 23 %G eng %0 Journal Article %J IEEE Transactions on Wireless Communications %D 2010 %T Efficient Dynamic Spectrum Sharing in Cognitive Radio Networks: Centralized Dynamic Spectrum Leasing (C-DSL) %A Kamrul Hakim %A Sudhaman K. Jayaweera %A Georges El-Howayek %A C. Mosquera %B IEEE Transactions on Wireless Communications %V 9 %P 2956-2967 %G eng %0 Conference Paper %B IEEE Broadband Wireless Access Workshop %D 2009 %T A Unified Framework for Dynamic Spectrum Leasing (DSL) in Cognitive Radios %A Sudhaman K. Jayaweera %A Kamrul Hakim %A C. Mosquera %B IEEE Broadband Wireless Access Workshop %G eng