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Issue No.05 - Sept.-Oct. (2013 vol.17)
pp: 39-45
Margot Deruyck , Ghent University
Wout Joseph , Ghent University
Bart Lannoo , Ghent University
Didier Colle , Ghent University
Luc Martens , Ghent University
ABSTRACT
As large energy consumers, base stations need energy-efficient wireless access networks. This article compares the design of Long-Term Evolution (LTE) networks to energy-efficient LTE-Advanced networks. LTE-Advanced introduces three new functionalities--carrier aggregation, heterogeneous networks, and extended multiple-input, multiple-output (MIMO) support. The authors develop a power consumption model for LTE and LTE-Advanced macrocell and femtocell base stations, along with an energy efficiency measure. They show that LTE-Advanced's carrier aggregation and MIMO improve networks' energy efficiency up to 400 and 450 percent, respectively.
INDEX TERMS
Macrocell networks, Power demand, Energy efficiency, MIMO, Bandwidth, Base stations, Wireless access networks, Femtocells, Long Term Evolution,MIMO, energy efficiency, LTE, LTE-Advanced, femtocell, macrocell, carrier aggregation, heterogeneous networks
CITATION
Margot Deruyck, Wout Joseph, Bart Lannoo, Didier Colle, Luc Martens, "Designing Energy-Efficient Wireless Access Networks: LTE and LTE-Advanced", IEEE Internet Computing, vol.17, no. 5, pp. 39-45, Sept.-Oct. 2013, doi:10.1109/MIC.2013.6
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