Research Article

Turbo-Coded MC-CDMA Communication Link over Strong Turbulence Fading Limited FSO Channel with Receiver Space Diversity

Table 4

CINR gain in various turbulence strength regimes for targeted BER ( 1 0 1 0 ).

Scintillation index 𝜎 2 𝑥 Average CINR (dB) Requirement for BPSK-modulated, SISO, and un-coded systemAverage CINR (dB) requirement for 8-ary PSK-modulated, SIMO(4 order diversity), and Turbo-coded ( 𝑁 = 3 2 0 ) systemCINR gain (dB)

3.5145.57.7137.8
3138.87.3131.2
2.5130.56.7123.8
2.0119.56.0113.5
1.5104.94.9599.95
185.13.481.7
0.557.9156.9