A Dual-Broadband Printed Dipole Antenna for 2G/3G/4G Base Station Applications

<table class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:5.40em"/><col style="width:4.25em"/><col style="width:5.40em"/><col style="width:4.20em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td><td class="align_center">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left"><i>L</i><sub>1</sub></td><td class="align_center">140mm</td><td class="align_center"><span width=""><i>W</i><svg height="6.31538pt" id="M3" style="vertical-align:-5.30062pt" version="1.1" viewbox="-0.0498162 -1.01476 5.47536 6.31538" width="5.47536pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,3.132)"><path d="M173 382V461C125 442 68 425 25 418V390C88 382 92 382 92 317V-127C92 -191 84 -199 18 -204V-235H259V-204C180 -196 173 -192 173 -120V7C188 -1 212 -11 243 -12C375 12 495 109 495 261C495 361 427 451 316 451C303 451 283 446 266 435L173 382ZM173 345C200 365 243 388 274 388C346 388 409 329 409 222C409 111 353 40 266 40C231 40 196 56 173 79V345Z"></path></g></svg></span></td><td class="align_center">2mm</td></tr><tr><td class="align_left"><i>L</i><sub>2</sub></td><td class="align_center">112mm</td><td class="align_center"><i>d</i><sub>1</sub></td><td class="align_center">122mm</td></tr><tr><td class="align_left"><i>L</i><sub>3</sub></td><td class="align_center">40mm</td><td class="align_center"><i>d</i><sub>2</sub></td><td class="align_center">4mm</td></tr><tr><td class="align_left"><i>L</i><sub>4</sub></td><td class="align_center">64mm</td><td class="align_center"><i>d</i><sub>3</sub></td><td class="align_center">27mm</td></tr><tr><td class="align_left"><span width=""><i>L</i><svg height="4.19627pt" id="M4" style="vertical-align:-3.18151pt" version="1.1" viewbox="-0.0498162 -1.01476 8.21559 4.19627" width="8.21559pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,3.132)"><path d="M810 0V30C751 35 744 40 744 106V296C744 396 694 451 614 451C583 451 558 438 537 425C512 409 485 391 454 368C434 420 390 451 342 451C309 451 285 439 260 424C228 405 206 387 185 372V453C141 434 90 421 43 413V386C102 378 105 373 105 309V106C105 41 96 35 29 30V0H243V30C194 35 185 41 185 106V335C216 360 256 389 297 389C357 389 384 348 384 275V106C384 41 374 35 312 30V0H530V30C475 35 465 41 465 104V294C465 313 464 324 463 336C502 367 539 389 576 389C637 389 663 346 663 274V109C663 41 653 35 593 30V0H810Z"></path></g></svg></span></td><td class="align_center">33mm</td><td class="align_center"><i>d</i><sub>4</sub></td><td class="align_center">40mm</td></tr><tr><td class="align_left"><i>W</i><sub>1</sub></td><td class="align_center">6mm</td><td class="align_center"><i>H</i><sub>1</sub></td><td class="align_center">23mm</td></tr><tr><td class="align_left"><i>W</i><sub>2</sub></td><td class="align_center">4mm</td><td class="align_center"><span width=""><i>W</i><svg height="4.19627pt" id="M5" style="vertical-align:-3.18151pt" version="1.1" viewbox="-0.0498162 -1.01476 4.06871 4.19627" width="4.06871pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,3.132)"><path d="M185 344V453C137 433 92 421 41 413V386C100 378 104 375 104 310V106C104 41 97 35 33 30V0H268V30C190 35 185 41 185 107V283C206 340 240 371 267 371C282 371 296 364 310 351C316 344 325 343 336 348C357 357 369 378 369 399C369 424 345 451 310 451C262 451 219 397 187 344H185Z"></path></g></svg></span></td><td class="align_center">47mm</td></tr><tr><td class="align_left"><i>W</i><sub>3</sub></td><td class="align_center">8mm</td><td class="align_center"><span width=""><i>L</i><svg height="4.19627pt" id="M6" style="vertical-align:-3.18151pt" version="1.1" viewbox="-0.0498162 -1.01476 4.06871 4.19627" width="4.06871pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,3.132)"><path d="M185 344V453C137 433 92 421 41 413V386C100 378 104 375 104 310V106C104 41 97 35 33 30V0H268V30C190 35 185 41 185 107V283C206 340 240 371 267 371C282 371 296 364 310 351C316 344 325 343 336 348C357 357 369 378 369 399C369 424 345 451 310 451C262 451 219 397 187 344H185Z"></path></g></svg></span></td><td class="align_center">63mm</td></tr><tr><td class="align_left"><i>W</i><sub>4</sub></td><td class="align_center">8mm</td><td class="align_center"><span width=""><i>H</i><svg height="4.19627pt" id="M7" style="vertical-align:-3.18151pt" version="1.1" viewbox="-0.0498162 -1.01476 4.06871 4.19627" width="4.06871pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,3.132)"><path d="M185 344V453C137 433 92 421 41 413V386C100 378 104 375 104 310V106C104 41 97 35 33 30V0H268V30C190 35 185 41 185 107V283C206 340 240 371 267 371C282 371 296 364 310 351C316 344 325 343 336 348C357 357 369 378 369 399C369 424 345 451 310 451C262 451 219 397 187 344H185Z"></path></g></svg></span></td><td class="align_center">10mm</td></tr><tr><td class="align_left"><span width=""><i>W</i><svg height="4.19627pt" id="M8" style="vertical-align:-3.18151pt" version="1.1" viewbox="-0.0498162 -1.01476 8.21559 4.19627" width="8.21559pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,3.132)"><path d="M810 0V30C751 35 744 40 744 106V296C744 396 694 451 614 451C583 451 558 438 537 425C512 409 485 391 454 368C434 420 390 451 342 451C309 451 285 439 260 424C228 405 206 387 185 372V453C141 434 90 421 43 413V386C102 378 105 373 105 309V106C105 41 96 35 29 30V0H243V30C194 35 185 41 185 106V335C216 360 256 389 297 389C357 389 384 348 384 275V106C384 41 374 35 312 30V0H530V30C475 35 465 41 465 104V294C465 313 464 324 463 336C502 367 539 389 576 389C637 389 663 346 663 274V109C663 41 653 35 593 30V0H810Z"></path></g></svg></span></td><td class="align_center">4mm</td><td class="align_center"><span style="width: 6.59789ptpx;"><svg height="9.49473pt" id="M9" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -9.28833 6.59789 9.49473" width="6.59789pt" 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="M475 507C475 612 440 712 326 712C139 712 23 420 23 215C23 96 58 -12 180 -12C369 -12 475 293 475 507ZM391 522C391 486 387 448 379 394H126C155 538 222 677 310 677C386 677 391 571 391 522ZM373 346C344 193 283 22 189 22C126 22 106 114 106 196C106 243 111 293 118 346H373Z"></path></g></svg></span></td><td class="align_center">70°</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The optimized parameters of the antenna and the reflector.</div>

International Journal of Antennas and Propagation

tab1

Table 1

Table 1: A Dual-Broadband Printed Dipole Antenna for 2G/3G/4G Base Station Applications 