@conference {ElHowayekJayaweeraHakimVazquezMosquera2010, title = {Dynamic Spectrum Leasing (DSL) in Dynamic Channels}, booktitle = {ICC Workshop on Cognitive Radio Interfaces and Signal Processing (ICC CRISP)}, year = {2010}, month = {May 23}, address = {Cape Town, South Africa}, keywords = {cognitive radio, DSL, dynamic spectrum leasing, game theory, Rayleigh fading, time-varying channels, time-varying secondary system}, author = {Georges El-Howayek and Sudhaman K. Jayaweera and Kamrul Hakim and Gonzalo V{\'a}zquez-Vilar and C. Mosquera} } @article {HakimJayaweeraHowayekMosqueraTWC2010, title = {Efficient Dynamic Spectrum Sharing in Cognitive Radio Networks: Centralized Dynamic Spectrum Leasing (C-DSL)}, journal = {IEEE Transactions on Wireless Communications}, volume = {9}, number = {9}, year = {2010}, pages = {2956-2967}, author = {Kamrul Hakim and Sudhaman K. Jayaweera and Georges El-Howayek and C. Mosquera} } @conference {paperBroadbandWorkshop2009, title = {A Unified Framework for Dynamic Spectrum Leasing (DSL) in Cognitive Radios}, booktitle = {IEEE Broadband Wireless Access Workshop}, year = {2009}, note = {colocated with Globecom}, author = {Sudhaman K. Jayaweera and Kamrul Hakim and C. Mosquera} }