Validation of the Decomposition Method for Fast MIMO Over-the-Air Measurements

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8284917/figures/8284917.fig.0019a.svgz" name="8284917.fig.0019a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Channel model: Uma</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8284917/figures/8284917.fig.0019b.svgz" name="8284917.fig.0019b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Channel model: Umi</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/8284917/figures/8284917.fig.0019c.svgz" name="8284917.fig.0019c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Channel model: Umi <svg height="8.55521pt" id="M281" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.34882 28.698 8.55521" width="28.698pt" 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" horiz-adv-x="568" vert-adv-y="568"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,11.017,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z" id="g117-34"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="587" vert-adv-y="587"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,22.28,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z" id="g113-49"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="480" vert-adv-y="480"></glyph.data></g></svg></td></tr></table>

<div>Distribution of the log. deviations <svg height="9.49473pt" id="M280" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -9.28833 7.34169 9.49473" width="7.34169pt" 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="M530 686C535 705 530 712 521 712C504 712 448 684 359 674L358 648H393C437 648 439 646 429 593L400 435C372 447 345 448 332 448C286 448 194 414 144 373C68 311 23 203 23 111C23 26 57 -12 91 -12C120 -12 147 3 188 29C227 54 290 102 341 170H343L322 71C308 6 320 -12 341 -12C373 -12 442 27 501 96L485 120C455 91 422 67 408 67C401 67 401 76 404 91C440 294 479 473 530 686ZM387 375L355 241C326 187 200 53 142 53C126 53 109 73 109 130C109 217 154 337 218 381C240 396 265 404 297 404S372 390 387 375Z" id="g113-101"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="555" vert-adv-y="555"></glyph.data></g></svg> between the DM and “overall” measurement results for different channel models (Uma; Umi; Umi_alpha = 0) and different base-station correlation coefficient for the smartphone<i> Sony Xperia</i> as UE with “Good” reference antenna.</div>

International Journal of Antennas and Propagation

fig19

Figure 19

Figure 19: Validation of the Decomposition Method for Fast MIMO Over-the-Air Measurements 