@inproceedings{paperid:1026903, author = {Rezazadeh, Arezou and Abed Hodtani, Ghosheh}, title = {A General Upper Bound for the Capacity of FreeSpace Optical Channel and the CorrespondingOptimal Input Distribution}, booktitle = {2012 IEEE-Australian Communications Theory Workshop}, year = {2012}, location = {wellington-newzealand, AUSTRALIA}, keywords = {Free space optical channel; new upper bound; optimal input distribution}, }