Fig. 11From: Rate-splitting multiple access for downlink communication systems: bridging, generalizing, and outperforming SDMA and NOMAAverage rate region comparison of different strategies in imperfect CSIT, γ=1, N t =4, SNR = 20 dB. a θ=π/9. b θ=2π/9. c θ=π/3. d θ=4π/9Back to article page