UE-specific Interference-Aware Open-loop Power Control in 3GPP LTE-A Uplink HetNet

Heterogeneous networks (HetNet), that is the latest evolution of cellular networks, has been well acknowledged to meet the increasing demand of data traffic. However, unplanned small cell deployments along with the aggressive frequency reuse scheme lead to severe inter-cell interference, bringing the system performance degradation. In this paper, we propose UE-specific Interference-Aware Open-loop Power Control (IA-OPC) scheme which considers the outgoing and incoming interference in the cell in order to fully take the complicated interference situation of HetNet into account. By using the proposed scheme, the system interference existing in HetNet environment can be evidently reduced; therefore the user throughput performance is increased.