3Time Jitter Influence on the Performance of PPM or PAM SIMO FSO Links over M-Turbulence Channels - Gripeos, P.J.; Nistazakis, H.E.; Varotsos, G.K.; Gappmair, W.; Tsigopoulos, AD (Proceedings of the 16th International Conference on Telecommunications, ConTEL 2021, 2021)