Authors:
Mazen Al Haddad
and
Magdy Bayoumi
Affiliation:
University of Louisiana at Lafayette, United States
Keyword(s):
Small Cells, Femtocell Technology, LTE, Hetnet.
Related
Ontology
Subjects/Areas/Topics:
Energy and Economy
;
Energy-Aware Systems and Technologies
;
Green Communications Architectures and Frameworks
;
Low Power Wireless Communication Technologies
;
Optimization Techniques for Efficient Energy Consumption
;
Sustainable Computing and Communications
Abstract:
Femtocell technology brings extended low-power radio coverage directly in the indoor premises, where
propagation loss is typically highest. It also enriches both macrocell wide-area and in-building solutions in
terms of coverage & capacity. The integration of femtocells into heterogeneous cellular networks is foreseen
as a low-power and low-cost solution to cope with the exponential growth of required data traffic volumes,
offload the macro base stations and offer high performance mobile networks. However, the massive and
unplanned deployment of femtocells and their uncoordinated operations may result in harmful co-channel
interference and cause significant power waste in order to maintain an acceptable user performance. In this
work, we survey the technical challenges of femtocells deployment and the available energy control
techniques. Moreover, we look into adaptive mechanisms for femtocell technology to cover the way
towards green-oriented mobile networks. Our intention is to exa
mine how femtocell deployment can share
the available radio resources efficiently in order to limit the average power consumption and mitigate cochannel
interference. Besides the introduction of the basic ideas for optimizing the spectral and energy
efficiency in femtocell networks, typical interference management techniques are discussed too, with a
special emphasis on power control methodologies.
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