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Figure 4 | EURASIP Journal on Advances in Signal Processing

Figure 4

From: Single-user MIMO versus multi-user MIMO in distributed antenna systems with limited feedback

Figure 4

Cell throughput achieved with SU-MIMO (left) and MU-MIMO (right), with distributed antennas. Empirical cumulative density functions of the cell throughput obtained with SU-MIMO and MU-MIMO transmission in a cellular network with three distributed antenna arrays and one central antenna array, giving a total of eight transmit antennas. The performance with one, two, or four receive antennas per user is compared. The maximum Doppler frequency equals f d =10 Hz. The SU-MIMO transmission is based on SVD precoding and equalization, or CLSM with/without antenna subset selection and ZF equalization. The MU-MIMO transmission is based on ZF precoding and MET or QBC receive antenna combining, with perfect and quantized CSIT.

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