@article{paperid:1064518, author = {Arezumand, Hamid and Zamiri-Jafarian, Hossein and H. Soleimani-Nasab}, title = {Outage and Diversity Analysis of Underlay Cognitive Mixed RF-FSO Cooperative Systems}, journal = {Journal of Optical Communications and Networking}, year = {2017}, volume = {9}, number = {10}, month = {October}, issn = {1943-0620}, pages = {909--920}, numpages = {11}, keywords = {Amplify-and-forward; cognitive radio network; double generalized Gamma; dual-hop relaying; free space optical communications; outage probability; underlay spectrum sharing.}, }