Zero-Forcing Precoding in the Measured Massive MIMO Downlink: How Many Antennas Are Needed?

<figure class="figure-group responsive"><div class="sub-figure" id="a"><object data="https://static.hindawi.com/articles/ijap/volume-2019/3518691/figures/3518691.fig.002a.svgz" name="3518691.fig.002a" type="image/svg+xml"></object><div class="fig-label">(a) The overview  in UMi scenario</div></div><div class="sub-figure" id="b"><object data="https://static.hindawi.com/articles/ijap/volume-2019/3518691/figures/3518691.fig.002b.svgz" name="3518691.fig.002b" type="image/svg+xml"></object><div class="fig-label">(b) The antenna position and environment</div></div></figure>

<p>The overview of the measurement area by Baidu Map and the setup position of Tx and Rx antennas.</p>

International Journal of Antennas and Propagation

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Figure 2

Figure 2: Zero-Forcing Precoding in the Measured Massive MIMO Downlink: How Many Antennas Are Needed? 