Low-Complexity Distortionless Techniques for Peak Power Reduction in OFDM Communication Systems

<table>Number of nontrivial multiplications versus the number of remaining stages <svg height="7.4250002" id="M174" style="vertical-align:-0.11285pt" version="1.1" viewbox="0 0 36.775002 7.4250002" width="36.775002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.425)">
<g transform="translate(72,-66.06)">
<text transform="matrix(1,0,0,-1,-71.95,66.22)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑚</tspan>
<tspan style="font-size: 12.50px; " x="11.652796" y="0">−</tspan>
<tspan style="font-size: 12.50px; " x="22.993017" y="0">𝑣</tspan>
</text>
</g>
</g>
</svg> for DIF radix-2 compared with DIT radix-2 and <svg height="13.075" id="M175" style="vertical-align:-1.76814pt" version="1.1" viewbox="0 0 131.8 13.075" width="131.8" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,13.075)">
<g transform="translate(72,-61.54)">
<text transform="matrix(1,0,0,-1,-71.95,63.35)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑁</tspan>
<tspan style="font-size: 12.50px; " x="14.103384" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="26.143772" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="32.395271" y="0">5</tspan>
<tspan style="font-size: 12.50px; " x="38.646774" y="0">6</tspan>
<tspan style="font-size: 12.50px; " x="44.898273" y="0">,</tspan>
<tspan style="font-size: 12.50px; " x="50.112022" y="0">2</tspan>
<tspan style="font-size: 12.50px; " x="56.363525" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="62.615025" y="0">4</tspan>
<tspan style="font-size: 12.50px; " x="68.866524" y="0">8</tspan>
<tspan style="font-size: 12.50px; " x="75.118027" y="0">,</tspan>
<tspan style="font-size: 12.50px; " x="80.319275" y="0">8</tspan>
<tspan style="font-size: 12.50px; " x="86.57077" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="92.822273" y="0">9</tspan>
<tspan style="font-size: 12.50px; " x="99.073769" y="0">2</tspan>
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</g>
</svg>.</table>

Journal of Computer Networks and Communications

fig11

Figure 11

Figure 11: Low-Complexity Distortionless Techniques for Peak Power Reduction in OFDM Communication Systems 