Fig. 3

Average Bit-Error Rate versus SNR for different values of correlation coefficient \(\rho\) and antennas number \({N_t}\). (a) IM/DD detection. (b) Heterodyne detection.
Average Bit-Error Rate versus SNR for different values of correlation coefficient \(\rho\) and antennas number \({N_t}\). (a) IM/DD detection. (b) Heterodyne detection.