Table 1 Parameter setting.
Parameter | Take value |
|---|---|
RIS-D2D radius/m | 500 |
D2D maximum communication distance/m | 10 ~ 50 |
Number of D2D users | [8,20] |
BS maximum transmit power/dBm | 25 |
D2D transmit power/dBm | 10 |
Noise power density 1 /(dBm Hz ) | -116 |
Path loss index | 2 |
Path loss constant | 1 |
Shadow fading/dB | 8 |
D2D user minimum SINR/dB | 7 |
Learning rate | 0.01 |
Optimizer | Adam |
Batch size | 16 |
