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Downlink sum data rate with no. of antennas. We also show these results in the Figure 7 and Figure 8, with Lb=1 and 2, respectively. We observe from Figure 7 and Figure 8, that difference between sum data rates using TDD and blind selection, and TDD and Cb, are not remarkable for the M values shown, although for Lb =1 in Figure 7 this difference is noticeable for M=5 to 8. 4 conclusion We propose here scheduling schemes for scheduling simultaneously to MT =MR=M numbers of downlink transmissions to users, in a rich scattering environment and utilizing the property of multi user diversity in the channel, for MU-MIMO and using TDD system.