3G Long Term Evolution Baseband Processing with Application-Specific Processors

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">IPC buffer</td><td align="center">Memory (words)</td><td align="center">Memory (kbits)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">FFT: next input</td><td align="center"><span style="width: 58.450001px;"><svg height="11.125" id="M166" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 58.450001 11.125" width="58.450001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">131.1</td></tr><tr><td align="left">FFT:
 prev. result</td><td align="center"><span style="width: 58.450001px;"><svg height="11.125" id="M167" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 58.450001 11.125" width="58.450001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">131.1</td></tr><tr><td align="left">QR: <svg height="11.6125" id="M168" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 12.4 11.6125" width="12.4" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q0 79 -30 113.5t-100 34.5q-29 0 -41 -10t-12 -35z" id="x1D411"></path></g>
</svg>, <svg height="19.5" id="M169" style="vertical-align:-2.79825pt" version="1.1" viewbox="0 0 32.912498 19.5" width="32.912498" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">538.0</td></tr><tr><td align="left">QR:
 prev. results</td><td align="center"><span style="width: 104.075px;"><svg height="15.0875" id="M171" style="vertical-align:-2.3205pt" version="1.1" viewbox="0 0 104.075 15.0875" width="104.075" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">538.0</td></tr><tr><td align="left">Turbo:
 next input</td><td align="center"><span style="width: 92.3125px;"><svg height="11.225" id="M172" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 92.3125 11.225" width="92.3125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">128.5</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Additional buffer memory requirements for seamless
IPC.

International Journal of Digital Multimedia Broadcasting

tab6

Table 6

Table 6: 3G Long Term Evolution Baseband Processing with Application-Specific Processors 