Fig. 3From: Decoupled signal detection for the uplink of massive MIMO in 5G heterogeneous networks a Sum rate vs number of receive antennas. N = 3, ∣C n ∣=10 users per class, \(N_{t_{k,n}}=1\) antenna per user. b Sum rate vs number of receive antennas. N = 2, ∣C n ∣=16 users per class, \(N_{t_{k,n}}=1\) antenna per userBack to article page