@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} }