Research Article

On the Multiuser Diversity of Relay-Aided Downlink Systems Using Reduced Feedback

Figure 3

Comparison of the optimal and proposed two-step multiuser scheduling in terms of the average achievable rates for the following three cases: dB, dB, and dB (case 1), dB, dB, and dB (case 2), and dB, dB, and dB (case 3).