A key challenge of future mobile communication research is to strike an attractive
compromise between wireless network's area spectral efficiency and energy efficiency. This …

Energy efficiency in cellular networks has received significant attention from both academia
and industry because of the importance of reducing the operational expenditures and …

To improve the cellular energy efficiency, without sacrificing quality-of-service (QoS) at the
users, the network topology must be densified to enable higher spatial reuse. We analyze a …

It was shown that the required transmit power to support a target achievable rate is inversely
proportional to the number of antennas in massive multiple-input multiple-output (MIMO) …

In this paper, traffic-aware sleeping control (SC) and power matching (PM) of a single base
station (BS) in cellular networks are studied. The objective is to find the sleeping control and …

Energy efficiency (EE) is becoming an important design goal for wireless communication
systems providing high spectral efficiency (SE). Both massive multi-input multi-output …

Small cell networks have recently been proposed as an important evolution path for the next-
generation cellular networks. While such approach has the potential of meeting the growing …

Base station (BS) sleeping is an effecting way to improve the energy-efficiency of cellular
networks. Considering BS sleep mode operation under different scenarios, we focus on …

In order to cope with the expected increase in traffic demand, the large-scale deployment of
Small Cells (SC) becomes a cost-efficient way to realize the foreseen capacity explosion in …

Recently, the energy efficiency of a relay network has become a hot research topic in the
wireless communication society. In this paper, we investigate the energy efficiency of three …