@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} }