Block error rate estimation for wireless optical communication links over strong turbulence channels with pointing errors - Ninos, M.P.; Nistazakis, H.E.; Stassinakis, A.N.; Varotsos, G.K.; Tombras, G.S.; Volos, C.K. (2017 6th International Conference on Modern Circuits and Systems Technologies, MOCAST 2017, 2017)