Figure 4From: Joint Power Control, Base Station Assignment, and Channel Assignment in Cognitive Femtocell NetworksConvergence of the branch and bound method for the joint power control, base station assignment, and channel assignment scheme. The number of nodes is varied from 8,10 and 15 clients. The clients are randomly distributed in each of the 8-client, 10-client, and 15-client configurations except for 3 private clients.Back to article page