Indoor Propagation of Electromagnetic Waves with Orbital Angular Momentum at 5.8 GHz

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/5634826/figures/5634826.fig.0010a.svgz" name="5634826.fig.0010a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>SNR for FOV angle of 10°</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/5634826/figures/5634826.fig.0010b.svgz" name="5634826.fig.0010b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>SNR for FOV angle of 5°</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/5634826/figures/5634826.fig.0010c.svgz" name="5634826.fig.0010c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>SNR for FOV angle of 3°</td></tr></table>

<div>SNRs calculated for the corridor when the element antennas of OAM modes have FOV angles of 10°, 5°, and 3°. The OAM mode number of the transmitting antenna <svg height="12.4698pt" id="M12" style="vertical-align:-3.18147pt" version="1.1" viewbox="-0.0498162 -9.28833 28.0914 12.4698" width="28.0914pt" 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="M300 -147C201 -63 143 98 143 270S200 602 300 686L282 710C136 610 70 450 70 271V270C70 89 136 -72 282 -170L300 -147Z" id="g113-41"></path></g><g transform="matrix(.013,0,0,-0.013,4.498,0)"><path d="M541 160L512 170C485 116 462 88 439 67C411 41 376 35 318 35C272 35 238 37 224 48C207 61 205 85 212 121L290 533C305 611 308 615 391 622L397 650H139L133 622C217 615 221 612 206 533L126 118C111 41 103 34 23 26L17 0H474C489 31 528 124 541 160Z" id="g113-77"></path></g><g transform="matrix(.0091,0,0,-0.0091,12.792,3.132)"><path d="M601 496C596 555 591 627 591 675H567C551 656 544 650 516 650H120C91 650 79 651 64 675H41C38 619 34 555 29 492H63C75 537 83 566 96 582C110 604 128 612 207 612H272V126C272 46 264 38 170 33V0H464V33C368 38 359 48 359 126V612H430C502 612 520 605 535 582C547 566 556 541 567 492L601 496Z" id="g58-82"></path></g><g transform="matrix(.0091,0,0,-0.0091,18.507,3.132)"><path d="M482 0V30C420 38 407 48 370 103L273 248C308 299 331 332 352 357C387 397 401 404 463 409V439H277V409C318 405 324 400 307 369C290 337 270 307 251 279L194 367C175 396 180 402 220 409V439H18V409C74 401 87 395 117 349L204 213C173 168 147 130 119 95C78 46 67 38 5 30V0H195V30C144 38 143 47 162 79C181 112 202 149 225 181L297 70C314 43 307 35 264 30V0H482Z" id="g58-118"></path></g><g transform="matrix(.013,0,0,-0.013,23.429,0)"><path d="M275 270C275 450 212 609 64 710L45 686C145 604 203 442 203 270S147 -63 45 -147L64 -170C213 -68 275 89 275 270Z" id="g113-42"></path></g></svg> is zero.</div>

International Journal of Antennas and Propagation

fig10

Figure 10

Figure 10: Indoor Propagation of Electromagnetic Waves with Orbital Angular Momentum at 5.8 GHz 