Figure 5From: Joint power and feedback bit allocation for energy- efficient design in limited-feedback coordinated beamforming systemsEE of optimal and suboptimal algorithms, p c =50 W, d=200 m. Equal QoS: ρ 1=ρ 2=ρ 3=1/3; unequal QoS: ρ 1=1/2, \(\rho _{2}=\rho _{3}=\frac {1}{4}\).Back to article page