EIV-Based Interference Alignment Scheme with CSI Uncertainties

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/323214/figures/323214.fig.006a.svgz" name="323214.fig.006a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Sum rate versus SNR for <svg height="12.7178pt" id="M323" style="vertical-align:-3.42947pt" version="1.1" viewbox="-0.0498162 -9.28833 60.4412 12.7178" width="60.4412pt" 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="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" id="g113-223"></path><glyph.data ascent="3473" descent="-2876" 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id="g121-47"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="480" vert-adv-y="480"></glyph.data></g></svg></td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/323214/figures/323214.fig.006b.svgz" name="323214.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Sum rate versus SNR for <svg height="12.7178pt" id="M324" style="vertical-align:-3.42947pt" version="1.1" viewbox="-0.0498162 -9.28833 66.7046 12.7178" width="66.7046pt" 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="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 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<div>The sum rate performance of the proposed WTLS-based IA scheme with different sizes of data matrix <svg height="8.79011pt" id="M320" style="vertical-align:-0.04980946pt" version="1.1" viewbox="-0.0498162 -8.7403 10.0297 8.79011" width="10.0297pt" 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="M41 650V615C111 608 121 602 121 516V134C121 48 111 42 32 35V0H289C413 0 518 27 592 83C668 141 717 229 717 351C717 446 678 517 628 564C564 625 467 650 341 650H41ZM255 540C255 569 257 586 265 595C272 602 292 609 328 609C397 609 450 589 491 547C537 502 566 426 566 331C566 152 474 43 340 43C270 43 255 68 255 140V540Z" id="g13-66"></path><glyph.data ascent="1024" descent="-360" horiz-adv-x="761" vert-adv-y="761"></glyph.data></g></svg> for <svg height="8.88144pt" id="M321" style="vertical-align:-0.2455406pt" version="1.1" viewbox="-0.0498162 -8.6359 31.1382 8.88144" width="31.1382pt" 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Mathematical Problems in Engineering

EIV-Based Interference Alignment Scheme with CSI Uncertainties

Figure 6