Table 1 Simulation parameters
From: Mmwave massive MIMO: one joint beam selection combining cuckoo search and ant colony optimization
Parameter | Description | value |
|---|---|---|
\(C_a\) | The number of dominant beams for each user | 3 |
Q | The number of optimizable individuals in CS | 20 |
\(P_a\) | The probability of discarding individuals | 0.25 |
M | The number of optimizable individuals selected for ACO | 2 |
\(T_{{\text{max}}}\) | The maximum number of iterations | 200 |
V | The number of times that the \({\mathcal {I}}_{{\text{best}}}\) does not update continuously | 15 |
\(\alpha\) | The step factor in Levy flight | 1 |
\(\beta\) | The parameter skewness in Levy flight | 1.5 |