Table 3 Simulation parameters
From: Robust power allocation for two-tier heterogeneous networks under channel uncertainties
System parameter | Values |
|---|---|
Number of MUEs L | 4 |
Number of FBSs M | 1 |
Number of FUEs in each femtocell M | 3 |
The background noise \(\sigma _{i}^{k}\) | 10−8 W |
Minimum SINR rquirement of FUs \(\gamma _{i}^{k,\text {min}}\) | 2dB |
Transmit power of each MU pl | [0.5, 1]W |
Maximum transmit power \(p_{i}^{k,\text {max}}\) | 1W |
Allowable interference level Ith | 10−3W [25] |