A Directional Selective Power Routing Protocol for the Internet of Underwater Things

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="4">Per bit energy <svg height="11.7978pt" id="M85" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -11.5914 23.1538 11.7978" width="23.1538pt" 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="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,-0.013,6.24,0)"><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"></path></g><g transform="matrix(.0091,0,0,-0.0091,12.527,-5.741)"><path d="M556 236V289H56V236H556Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,18.087,-5.741)"><path d="M290 377C321 398 342 415 358 430C378 450 389 473 389 502C389 578 329 635 238 635H237C184 635 137 610 109 578L64 515L88 493C112 529 154 573 208 573S303 542 303 482C303 409 233 370 141 341L149 308C165 313 190 319 215 319C272 319 341 283 341 193C342 98 292 43 222 43C163 43 122 72 96 94C88 101 79 100 70 94C61 87 47 73 46 60C44 47 48 37 62 23C76 10 118 -12 165 -12C238 -12 430 62 430 223C430 297 379 359 290 375V377Z"></path></g></svg> joule</td></tr><tr class="thead"><td class="align_left">Routing scheme</td><td class="align_center">at 50 node</td><td class="align_center">at 100 node</td><td class="align_center">at 200 node</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">VDBR</td><td class="align_center">18.50</td><td class="align_center">32.47</td><td class="align_center">51.04</td></tr><tr><td class="align_left">DSPR</td><td class="align_center">2.22</td><td class="align_center">2.44</td><td class="align_center">3.23</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Per bit energy consumption VDBR vs DSPR.</div>

Wireless Communications and Mobile Computing

tab2

Table 2

Table 2: A Directional Selective Power Routing Protocol for the Internet of Underwater Things 