40 0 50 100 150 200 250 300 350 400 450 500 0 0.1 0.2 0.3 0.4 0.5 Distance of the allocated users from the BS [m] Probability Mass Function Histogram by Simulations; P$_{max}$ =1.08 W Analytical PMF 0 50 100 150 200 250 300 350 400 450 500 0 0.1 0.2 0.3 0.4 Histogram by Simulations; P$_{max}$ =2.7 W Analytical PMF Fig. 9. PMF of the distance of allocated users from their serving BS in a given cell (i.e., PMF of r sel ) for greedy scheduler with power adaptation, R =500 m, β =2.2, U =50, P 0 =-23 dBm.