A Game-Theoretical Approach for Spectrum Efficiency Improvement in Cloud-RAN

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Algorithms</td><td class="align_center" colspan="4">⁢RRHs</td></tr><tr class="thead"><td class="align_center">5</td><td class="align_center">10</td><td class="align_center">15</td><td class="align_center">20</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">The proposed CFA</td><td class="align_center">28</td><td class="align_center">166</td><td class="align_center">431</td><td class="align_center">779</td></tr><tr><td class="align_left">Exhaustive search</td><td class="align_center">52</td><td class="align_center">115975</td><td class="align_center">1.38 × 10<sup>9</sup></td><td class="align_center">5.17 × 10<sup>13</sup></td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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Table 2

Table 2: A Game-Theoretical Approach for Spectrum Efficiency Improvement in Cloud-RAN 