Fisher-Information-Matrix Based Analysis of Semiblind MIMO Frequency Selective Channel Estimation

<table>MSE versus SNR in a <svg height="12.20125" id="M317" style="vertical-align:-0.3135pt" version="1.1" viewbox="0 0 33.822498 12.20125" width="33.822498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.20125)">
<text transform="matrix(1,0,0,-1,0.498,0.811)">
<tspan style="font-size: 12.50px; " x="0" y="0">4</tspan>
<tspan style="font-size: 12.50px; " x="9.0272522" y="0">×</tspan>
<tspan style="font-size: 12.50px; " x="19.804941" y="0">2</tspan>
</text>
</g>
</svg> MIMO channel with <svg height="15.8275" id="M318" style="vertical-align:-3.22282pt" version="1.1" viewbox="0 0 46.466251 15.8275" width="46.466251" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,15.8275)">
<text transform="matrix(1,0,0,-1,0.498,3.711)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐿</tspan>
</text>
<text transform="matrix(1,0,0,-1,9.35,0.586)">
<tspan style="font-size: 8.75px; " x="0" y="0">ℎ</tspan>
</text>
<text transform="matrix(1,0,0,-1,18.386,3.711)">
<tspan style="font-size: 12.50px; " x="0" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="12.028002" y="0">2</tspan>
</text>
</g>
</svg> channel taps, <svg height="17.360001" id="M319" style="vertical-align:-4.74141pt" version="1.1" viewbox="0 0 18.30125 17.360001" width="18.30125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,17.36)">
<text transform="matrix(1,0,0,-1,0.498,5.226)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐿</tspan>
</text>
<text transform="matrix(1,0,0,-1,9.35,2.1)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑝</tspan>
</text>
</g>
</svg> = 20 pilot symbols.</table>

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fig4

Figure 4

Figure 4: Fisher-Information-Matrix Based Analysis of Semiblind MIMO Frequency Selective Channel Estimation 