An MBS-Assisted Femtocell Transmit Power Control Scheme with Mobile User QoS Guarantee in 2-Tier Heterogeneous Femtocell Networks

Table 2

Path loss parameters [28].

Path loss	𝛿𝑚 or 𝛿𝑓	𝜂𝑚 or 𝜂𝑓
𝐿𝑜(𝐷𝑚)	30 log𝑓𝑐−71	4
𝐿𝑖(𝑑𝑛)	37+18.3ℎ^((ℎ+2)/(ℎ+1)−0.46)	3
𝐿𝑥(𝐷𝑛)	37+18.3ℎ^((ℎ+2)/(ℎ+1)−0.46)+𝛿𝑝	3