Fig. 6From: Rotating cluster mechanism for coordinated heterogeneous MIMO cellular networksAverage achievable sum rate vs. K c over the area of a macrocell in an arbitrary cluster, comparing various T cl values for proposed rotating clustering scheme for six-cell layout, using simulated annealing scheduling with proportionally fair (PF) scheduling metric (t c =100) and SZF-DPC precoding; Nmacro=Npico=2, M=2Back to article page