Fig. 4From: Decoupled signal detection for the uplink of massive MIMO in 5G heterogeneous networksSum rate lower bound vs SNR. N = 8, ∣C n ∣=1 user per class, \(N_{t_{k,n}}=8\) antennas per user. We consider DAS configuration with N B =96, D=4, and Q=8Back to article page