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Designing Energy-Efficient Wireless Access Networks: LTE and LTE-Advanced
Sept.-Oct. 2013 (vol. 17 no. 5)
pp. 39-45
Margot Deruyck, Ghent University
Wout Joseph, Ghent University
Bart Lannoo, Ghent University
Didier Colle, Ghent University
Luc Martens, Ghent University
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,Bit rate,MIMO,Bandwidth,Base stations,Modulation,MIMO,energy efficiency,LTE,LTE-Advanced,femtocell,macrocell,carrier aggregation,heterogeneous networks
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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