Joint Antenna Selection and Precoding Optimization for Small-Cell Network with Minimum Power Consumption

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Overhead</td><td class="align_center">Complexity</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Optimal algorithm</td><td class="align_center"><span style="width: 53.5483ptpx;"><svg height="12.5794pt" id="M149" style="vertical-align:-3.29107pt" version="1.1" viewbox="-0.0498162 -9.28833 53.5483 12.5794" width="53.5483pt" 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="M663 549C663 621 608 680 521 680C283 680 82 444 82 188C82 80 142 -15 258 -15C466 -15 637 203 637 396C637 502 561 542 497 542C414 542 336 469 336 362C336 331 339 284 371 232L393 242C369 289 366 322 366 347C366 448 430 506 494 506C539 506 586 470 586 396C586 266 508 157 469 118C409 57 343 15 256 15C179 15 142 78 142 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horiz-adv-x="692" vert-adv-y="692"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,8.996,0)"><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><glyph.data ascent="3473" descent="-2876" horiz-adv-x="346" vert-adv-y="346"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,13.494,0)"><path d="M449 634C442 637 425 643 405 650C376 660 341 666 307 666C181 666 98 590 98 485C98 400 170 343 215 310L246 288C307 243 343 204 343 147C343 67 291 18 219 18C104 18 61 124 51 202L23 199C28 124 27 71 27 47C47 22 122 -16 204 -16C324 -16 428 60 428 174C428 256 379 309 307 360L276 382C223 419 179 455 179 516C179 576 221 632 293 632C379 632 410 564 418 487L448 490C446 536 446 592 449 634Z" id="g113-84"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="472" vert-adv-y="472"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,19.369,0)"><path d="M743 650H503L496 622L527 618C563 613 564 603 532 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class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of total overhead and complexity.

International Journal of Antennas and Propagation

tab3

Table 3

Table 3: Joint Antenna Selection and Precoding Optimization for Small-Cell Network with Minimum Power Consumption 