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 ().
| Scintillation index | Average CINR (dB) Requirement for BPSK-modulated, SISO, and un-coded system | Average CINR (dB) requirement for 8-ary PSK-modulated, SIMO(4 order diversity), and Turbo-coded () system | CINR gain (dB) |
| 3.5 | 145.5 | 7.7 | 137.8 | 3 | 138.8 | 7.3 | 131.2 | 2.5 | 130.5 | 6.7 | 123.8 | 2.0 | 119.5 | 6.0 | 113.5 | 1.5 | 104.9 | 4.95 | 99.95 | 1 | 85.1 | 3.4 | 81.7 | 0.5 | 57.9 | 1 | 56.9 |
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