Experimental Assessment of Time Reversal for In-Body to In-Body UWB Communications

<table class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:9.35em"/><col style="width:4.51em"/><col style="width:3.98em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Z plane</td><td class="align_center"><span style="width: 25.4399ptpx;"><svg height="12.7386pt" id="M19" style="vertical-align:-4.350619pt" version="1.1" viewbox="-0.0498162 -8.38798 25.4399 12.7386" width="25.4399pt" 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="M46 650V622C120 617 128 613 128 525V125C128 42 120 34 40 28V0H311V28C221 34 212 39 212 124V281L286 262C297 261 316 261 331 263C429 275 526 338 526 468C526 533 501 579 462 609C422 638 364 650 293 650H46ZM212 559C212 588 215 600 223 606C230 613 251 618 279 618C361 618 430 572 430 464C430 337 350 302 285 302C252 302 225 309 212 314V559Z" id="g121-78"></path></g><g transform="matrix(.013,0,0,-0.013,7.254,0)"><path d="M495 163C480 117 462 85 444 65C421 39 387 34 332 34C290 34 256 36 236 47C218 57 213 77 213 131V526C213 612 222 616 301 622V650H40V622C122 616 128 611 128 526V126C128 41 120 34 36 28V0H489C498 31 519 126 525 157L495 163Z" id="g121-74"></path></g><g transform="matrix(.0091,0,0,-0.0091,14.301,3.132)"><path d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z" id="g50-49"></path></g><g transform="matrix(.0091,0,0,-0.0091,18.733,3.132)"><path d="M98 134C72 134 46 117 46 90C46 73 55 65 60 64C95 55 124 32 124 -4C124 -42 95 -68 44 -89L57 -123C122 -104 194 -60 194 22C194 94 136 134 98 134Z" id="g50-45"></path></g><g transform="matrix(.0091,0,0,-0.0091,20.89,3.132)"><path d="M394 142L380 118C343 58 321 37 246 37H148C231 169 310 295 394 423L387 439H154C117 439 106 445 99 460H75C67 417 51 354 40 313L70 303L83 330C110 386 125 401 192 401H284C201 269 121 142 33 17L40 0H375C391 40 408 87 423 127L394 142Z" id="g58-120"></path></g></svg></span></td><td class="align_center"><span style="width: 11.6109ptpx;"><svg height="9.14241pt" id="M20" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -5.96091 11.6109 9.14241" width="11.6109pt" 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></g><g transform="matrix(.0091,0,0,-0.0091,7.059,3.132)"><path d="M394 142L380 118C343 58 321 37 246 37H148C231 169 310 295 394 423L387 439H154C117 439 106 445 99 460H75C67 417 51 354 40 313L70 303L83 330C110 386 125 401 192 401H284C201 269 121 142 33 17L40 0H375C391 40 408 87 423 127L394 142Z" id="g58-120"></path></g></svg></span></td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">-2<svg height="8.68572pt" id="M21" style="vertical-align:-0.0498209pt" version="1.1" viewbox="-0.0498162 -8.6359 8.46388 8.68572" width="8.46388pt" 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="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z" id="g113-133"></path></g></svg>z</td><td class="align_center">36.4233</td><td class="align_center">4.3987</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">-<svg height="8.68572pt" id="M22" style="vertical-align:-0.0498209pt" version="1.1" viewbox="-0.0498162 -8.6359 8.46388 8.68572" width="8.46388pt" 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="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z" id="g113-133"></path></g></svg>z</td><td class="align_center">27.7087</td><td class="align_center">5.3416</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">0</td><td class="align_center">26.8048</td><td class="align_center">5.3894</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left"><svg height="8.68572pt" id="M23" style="vertical-align:-0.0498209pt" version="1.1" viewbox="-0.0498162 -8.6359 8.46388 8.68572" width="8.46388pt" 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="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z" id="g113-133"></path></g></svg>z</td><td class="align_center">36.3740</td><td class="align_center">4.3404</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">2<svg height="8.68572pt" id="M24" style="vertical-align:-0.0498209pt" version="1.1" viewbox="-0.0498162 -8.6359 8.46388 8.68572" width="8.46388pt" 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="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z" id="g113-133"></path></g></svg>z</td><td class="align_center">46.4496</td><td class="align_center">3.3141</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">All measured points</td><td class="align_center">34.2116</td><td class="align_center">4.6290</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fitting parameters of the approximation model for the IB2IB scenario.</div>

Wireless Communications and Mobile Computing

tab1

Table 1

Table 1: Experimental Assessment of Time Reversal for In-Body to In-Body UWB Communications 