Fig. 58
Weighted sum rate versus SNR comparison of different strategies for overloaded four-user deployment with perfect CSIT, γ1=1, \(\theta _{2}=\theta _{1}+\frac {\pi }{9}\), rth=[0.03,0.1,0.2,0.3,0.4,0.4,0.4] bit/s/Hz. a θ1=0. b θ1=π/18. c θ1=π/9. d θ1=π/6