Table 2.
System simulation parameters.
| Parameter | Value |
|---|---|
| Number of transmit antennas (Mt) | 4 |
| Number of receive antennas (Mr) | 4 |
| Modulation scheme | 4-QAM |
| Image size | 256 × 256 pixels |
| Path loss exponent (η\eta) | 3 |
| Distance of user 1 (d1) | 1900 m |
| Distance of user 2 (d2) | 1000 m |
| Optimized power allocation factors | α1 = 0.6731, α2=0.3269 |
| SIC imperfection factor (δ) | 0.4 |
| CSI error variance (σε2) | 10− 5 |
| Bandwidth (BW) | 100 MHz |
| Noise power spectral density | −174 dBm/Hz |
| Transmit power range | 0 to 30 dBm |
| Target data rates (Rktarget) | 0.1 Gbps (both users) |