A Power-Efficient Soft-Output Detector for Spatial-Multiplexing MIMO Communications

<table>Compared with STS-SD [<a href="/journals/jece/2012/938490/#B6">6</a>], the average number of parent nodes visited in coded <svg height="11.075" id="M105" style="vertical-align:-0.3135pt" version="1.1" viewbox="0 0 43.125 11.075" width="43.125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.075)">
<g transform="translate(72,-63.14)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">4</tspan>
<tspan style="font-size: 12.50px; " x="13.190665" y="0">×</tspan>
<tspan style="font-size: 12.50px; " x="28.144253" y="0">4</tspan>
</text>
</g>
</g>
</svg> MIMO detection schemes with 16-QAM is reduced by the proposed method.</table>

Journal of Electrical and Computer Engineering

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Figure 5

Figure 5: A Power-Efficient Soft-Output Detector for Spatial-Multiplexing MIMO Communications 