Effective Energy-Efficient Non-Cooperative Power Control in UDNs with Discontinuous Transmission

Ultra-dense networks (UDNs) provide an effective way to improve network capacity and users’ quality of service (QoS). The discontinuous transmission (DTX) on the other hand improve networks’ energy efficiency. In this paper, we consider using power control to maximize the energy efficiency while guaranteeing the QoS in UDNs with DTX. Specifically, we first derive a new formula of the effective energy efficiency (EEE) in such networks. We propose a non-cooperative power control scheme to maximize the EEE and an algorithm to find the Nash equilibrium (NE). Simulation results show that our proposed power control scheme achieves a significant improvement in the EEE with DTX, compared to the situation without power control.