Impact of Saving Energy in Radio Network Saving energy in radio access network is a must Savings by putting access points to sleep could save 7.5% electricity consumption of mobile operators worldwide[Marsan2010] But global impact is modest 0.01% to 0.03% of total electricity consumption [Dufkova 2010] 0.001% to 0.004 % of primary energy sources e-Energy 2010, Passau
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