Combined Transceiver Optimization for Uplink Multiuser MIMO with Limited CSI

<table>(a) The SMSE and (b) the averaged BER comparisons between the proposed QR-EPD, the SVD-EPD, the SVD non-EPD, and the KKT algorithms for <svg height="18.887501" id="M182" style="vertical-align:-4.10542pt" version="1.1" viewbox="0 0 63.349998 18.887501" width="63.349998" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,18.8875)">
<g transform="translate(72,-56.89)">
<text transform="matrix(1,0,0,-1,-71.95,61.03)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜎</tspan>
</text>
<text transform="matrix(1,0,0,-1,-64.61,66.03)">
<tspan style="font-size: 8.75px; " x="0" y="0">2</tspan>
</text>
<text transform="matrix(1,0,0,-1,-64.61,56.94)">
<tspan style="font-size: 8.75px; " x="0" y="0">E</tspan>
</text>
<text transform="matrix(1,0,0,-1,-55.29,61.03)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.027886" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="18.279387" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="21.405136" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="27.656635" y="0">5</tspan>
</text>
</g>
</g>
</svg>.</table>

International Scholarly Research Notices

fig4

Figure 4

Figure 4: Combined Transceiver Optimization for Uplink Multiuser MIMO with Limited CSI 