Figure 5From: Fair greening of broadband access: spectrum management for energy-efficient DSL networksSimulation scenarios and results: a Near-far ADSL scenario, b Symmetric ADSL scenario, c Achievable rate region for scenario of a for different sum total powers, d Data rate performance in percent versus power usage for different scenarios, e Evolution of optimal bit loading for scenario of a for increasing powers, f Evolution of optimal bit loading for scenario of b for increasing powers.Back to article page