Table 1 Notations used for the essential parameters
s.no. | Notation | Details |
|---|---|---|
1. | eNodeB | evolved NodeB |
2. | \(po_{C}^{n}\) | The transmitter power of ith CUE |
3. | \(po_{i}^{n}\) | The transmitter power of ith DUE |
4. | \(NS_{0}\) | Noise spectral density |
5. | \(h_{i,j}^{n}\) | Channel gain between ith D2D transmitter and jth D2D receiver |
6. | \(h_{i,0}^{n}\) | Channel between the ith D2D transmitter and eNodeB |
7. | \(Dr_{i}\) | Achievable data rate of DUE |
8. | \(I_{{{\text{th}}}}\) | Threshold interference |
9. | \(\overrightarrow {po}_{l}\) | LSTM approach |
10. | \(\overrightarrow {po}_{C}\) | Metaheuristic approach |
11. | FC | Hungary vultures |
12. | \(in_{i}\) | Input of LSTM |
13. | \(wi_{i}\) | Weight |
14. | \(bi_{i}\) | Bias |
15. | \(Lo\) | Loss function |
16. | \(\lambda_{1}\) | Parameter for sum-rate maximization |
17. | \(\lambda_{2}\) | Parameter for limiting interference |
18. | \(\lambda_{3}\) | Parameter for minimum rate requirements |
19. | \(\eta_{{{\text{SE}}}}\) | Spectral efficiency |
20. | \(\eta_{{{\text{EE}}}}\) | Energy efficiency |
21. | \(s_{t}\) | Input gate vector |
22. | \(j_{t}\) | Forget gate vector |
23. | \(B_{t}\) | Cell block |
24 | \(Q_{t}\) | Output gate vector |
25 | \(u_{t}\) | Memory block activation vector |
26 | \(V\) | Weight matrix |
27 | \(d\) | Bias vector |