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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]