Low-Complexity Gaussian Detection for MIMO Systems

<table>Performance of the three Gaussian detectors in an uncoded system, <svg height="15.7175" id="M232" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 89.699997 15.7175" width="89.699997" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,15.7175)">
<text transform="matrix(1,0,0,-1,0.498,3.624)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑁</tspan>
</text>
<text transform="matrix(1,0,0,-1,11.138,0.498)">
<tspan style="font-size: 8.75px; " x="0" y="0">T</tspan>
</text>
<text transform="matrix(1,0,0,-1,20.472,3.624)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.028002" y="0">𝑁</tspan>
</text>
<text transform="matrix(1,0,0,-1,43.149,0.498)">
<tspan style="font-size: 8.75px; " x="0" y="0">R</tspan>
</text>
<text transform="matrix(1,0,0,-1,52.973,3.624)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.028002" y="0">4</tspan>
</text>
</g>
</svg>, <svg height="11.81" id="M233" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 39.513748 11.81" width="39.513748" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.81)">
<text transform="matrix(1,0,0,-1,0.498,0.498)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐿</tspan>
<tspan style="font-size: 12.50px; " x="12.315573" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="24.356077" y="0">4</tspan>
</text>
</g>
</svg>, and <svg height="12.02875" id="M234" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 55.986252 12.02875" width="55.986252" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.02875)">
<text transform="matrix(1,0,0,-1,0.498,0.673)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐾</tspan>
<tspan style="font-size: 12.50px; " x="12.990742" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="25.031246" y="0">4</tspan>
<tspan style="font-size: 12.50px; " x="31.282806" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="37.534367" y="0">0</tspan>
</text>
</g>
</svg>.</table>

Journal of Electrical and Computer Engineering

Low-Complexity Gaussian Detection for MIMO Systems

Figure 8