Fig. 15

Weighted sum rate versus SNR comparison of different decoding order of SC–SIC for underloaded three-user deployment with perfect CSIT, γ₁=1,γ₂=0.3, u₁=0.2,u₂=0.3,u₃=0.5, N _t =4, \(R_{k}^{th}=0, k\in \{1,2,3\}\). a θ₁=π/9,θ₂=2π/9. b θ₁=2π/9,θ₂=4π/9. c θ₁=π/3,θ₂=2π/3. d θ₁=4π/9,θ₂=8π/9