@article {645, title = {Overlay Cognitive Transmission in a Multicarrier Broadcast Network with Dominant Line of Sight Reception}, journal = {IEEE Transactions on Wireless Communications}, year = {2012}, keywords = {cognitive radio, dynacs, satcom}, doi = {10.1109/TWC.2012.092112.120257}, author = {Alberto Rico-Alvari{\~n}o and C. Mosquera and Fernando P{\'e}rez-Gonz{\'a}lez} }