Study on Cooperative Multipoint Communication Precoding Algorithm under SLNR-MMSE Framework

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Precoding</td><td class="align_center">Perfect CSI</td><td class="align_center">Imperfect CSI</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">IF system</td><td class="align_center"><span style="width: 14.5446ptpx;"><svg height="9.39034pt" id="M3" style="vertical-align:-3.42943pt" version="1.1" viewbox="-0.0498162 -5.96091 14.5446 9.39034" width="14.5446pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M516 277C516 378 460 448 376 448C335 448 288 434 240 401C158 345 127 277 107 159C53 -161 38 -221 23 -247L28 -261C43 -260 95 -250 114 -226C122 -216 129 -199 146 -75C152 -29 157 0 164 31C182 9 206 -12 237 -12C267 -12 325 8 376 46C451 102 516 179 516 277ZM432 259C432 134 366 40 259 40C236 40 204 48 171 76L195 203C219 327 253 400 326 400C398 400 432 336 432 259Z"></path></g><g transform="matrix(.013,0,0,-0.013,7.01,0)"><path d="M545 106L524 126C493 85 467 65 455 65C438 65 427 113 405 238C448 295 498 362 543 439L533 448L478 435C453 386 423 331 398 295H395C370 404 347 448 282 448C169 448 23 309 23 153C23 54 65 -12 128 -12C203 -12 283 70 339 155H341C360 29 380 -12 411 -12C444 -12 491 11 545 106ZM333 204C265 95 210 54 169 54C137 54 113 96 113 171C113 302 191 405 252 405C301 405 318 306 333 204Z"></path></g></svg></span></td><td class="align_center"> </td></tr><tr><td class="align_left">ZF precoding</td><td class="align_center"><span style="width: 43.3083ptpx;"><svg height="12.7178pt" id="M4" style="vertical-align:-3.42947pt" version="1.1" viewbox="-0.0498162 -9.28833 43.3083 12.7178" width="43.3083pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M516 277C516 378 460 448 376 448C335 448 288 434 240 401C158 345 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230V280H323V490H265V280H52V230H265V-3H323V230H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,55.544,0)"><path d="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z"></path></g><g transform="matrix(.013,0,0,-0.013,61.784,0)"><path d="M275 270C275 450 212 609 64 710L45 686C145 604 203 442 203 270S147 -63 45 -147L64 -170C213 -68 275 89 275 270Z"></path></g></svg></span></td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>Note. M</i>, <i>K</i>- &gt; <i>M</i>/<i>K</i> = <i>a</i>, CSI: Downlink Channel State Information SINR: Signal to Interference and Noise Ratio, IF: Interference Free System SNR: Signal to Noise Ratio, MF: matched filter ZF: zero forcing.<br/></div></td></tr></table>

<div>SNR/SINR expressions of basic precoding techniques under massive MIMO.</div>

Advances in Multimedia

tab3

Table 3

Table 3: Study on Cooperative Multipoint Communication Precoding Algorithm under SLNR-MMSE Framework 