The new generations of cellular technologies and the current trend towards small cells or
femtocells, will offer an improved spectral efficiency per area, but they also offer an …

The exponential increase in high rate traffic driven by a new generation of wireless devices
is expected to overload cellular network capacity in the near future. Femtocells have recently …

Energy efficiency in mobile radio networks has recently gained great interest due to
escalating energy cost and environmental concerns. Rapidly growing demand for capacity …

In mobile technologies two trends are competing. On the one hand, the mobile access
network requires optimisation in energy consumption. On the other hand, data volumes and …

Mobile operators nowadays tend to deploy dense heterogeneous layers of 3G and 4G
networks in outdoor and indoor environments by adding more macrocells and small cells …

Use of femtocells for indoor and office environment has proved to be an effective solution to
handle ever increasing mobile data demands. Femtocell helps improving network capacity …

In this paper heterogeneous wireless cellular networks based on two-tier architecture
consisting of macrocells and femtocells are considered. Methods of femtocells deployment …

In this paper we discuss some of the benefits and challenges of deploying femtocells in a
cellular network. In particular, we focus on the tradeoff between energy efficiency and …

In this paper, we investigate how femtocells can make conventional cellular networks
greener. We present an energy consumption modeling framework to evaluate total energy …

Rising energy costs and the recent international focus on climate change issues has
resulted in a high interest in improving the energy efficiency in the telecommunications …