Fig. 4From: Joint trajectory and CoMP clustering optimization in UAV-assisted cellular systems: a coalition formation game approachSum rate comparison for a different number of users when \({C}_{l}^{\mathrm{BH}}=20\) \(\mathrm{Mbps}\): This figure illustrates the sum rate versus a different number of users for all scenarios of the proposed solution and the two comparable schemes, where the number of users is changed from 40 to 80Back to article page