ADAS: Adaptive Switching between Full-Duplex and MU-MIMO for Wi-Fi Networks

<div><b>Distribution of user queue status in case of </b><svg height="8.6596pt" id="M89" style="vertical-align:-0.1933298pt" version="1.1" viewbox="-0.0498162 -8.46627 38.4324 8.6596" width="38.4324pt" 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="M811 650H544L534 613L558 611C603 606 600 592 573 565C511 501 433 435 370 390C355 379 325 363 294 352L325 517C340 595 346 605 427 613L435 650H125L117 613C202 606 211 597 196 518L123 133C108 53 103 44 25 37L16 0H324L332 37C242 44 239 54 253 133L287 310C298 318 315 316 334 284C392 185 456 83 513 0H710L717 37C669 43 647 50 601 114C536 206 484 287 428 381C497 438 558 488 646 552C717 608 750 612 803 616L811 650Z"></path></g><g transform="matrix(.013,0,0,-0.013,13.993,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,25.255,0)"><path d="M409 0V34C329 39 322 56 322 125V635C234 611 160 593 94 583V554L145 551C186 547 190 541 190 488V125C190 54 181 39 102 34V0H409Z"></path></g><g transform="matrix(.013,0,0,-0.013,31.755,0)"><path d="M179 359C209 485 294 542 343 567C378 584 421 597 450 603L443 641C405 636 339 624 294 609C178 570 28 456 28 243C28 84 127 -12 253 -12C385 -12 480 89 480 215C480 328 403 402 288 402C272 402 254 394 229 382L179 359ZM234 331C302 331 349 265 349 171C349 106 335 29 273 29C220 29 166 106 166 239C166 263 168 303 172 320C192 327 211 331 234 331Z"></path></g></svg><b>, </b><span class="nowrap"><svg height="8.51608pt" id="M90" style="vertical-align:-0.04980946pt" version="1.1" viewbox="-0.0498162 -8.46627 34.4525 8.51608" width="34.4525pt" 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="M1001 650H794L512 213L408 650H198L185 613C283 607 286 586 262 513L178 262C149 176 134 135 120 105C99 60 75 39 20 37L11 0H257L265 37C204 41 184 60 192 106C198 144 206 185 239 293L309 520H311L418 5H450L765 524H767L712 152C697 50 688 43 621 37L614 0H914L922 37C836 43 832 51 845 155L895 547C901 599 909 605 991 613L1001 650Z"></path></g><g transform="matrix(.013,0,0,-0.013,16.537,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,27.8,0)"><path d="M486 174V231H396V629H324C229 512 123 368 15 215V174H269V116C269 55 264 41 179 34V0H477V34C403 41 396 51 396 112V174H486ZM269 231H90C155 335 219 427 267 493H269V231Z"></path></g></svg>.</span> A high frame arrival rate (<span class="nowrap"><svg height="9.39034pt" id="M91" style="vertical-align:-3.42943pt" version="1.1" viewbox="-0.0498162 -5.96091 6.50656 9.39034" width="6.50656pt" 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="M474 429L457 433C435 440 389 448 367 448C348 448 323 446 309 443C266 434 195 406 148 366C78 307 23 210 23 101C23 35 55 -12 92 -12C118 -12 146 1 196 35C247 70 311 130 346 173H348L281 -148C268 -211 256 -221 208 -229L191 -232L187 -257L433 -245L437 -219L411 -216C357 -210 350 -205 362 -140L427 207C447 315 461 381 474 429ZM387 387C379 337 363 262 355 236C318 180 201 57 142 57C126 57 112 81 112 128C112 205 150 321 220 376C244 395 280 403 312 403C345 403 370 396 387 387Z"></path></g></svg>)</span> causes the transmission queue to fill up quickly, increasing the value of <span class="nowrap"><svg height="9.49473pt" id="M92" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -9.28833 6.21949 9.49473" width="6.21949pt" 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="M452 333C452 398 425 448 375 448C329 448 235 404 140 292H138L229 683C233 701 234 712 225 712C208 712 149 686 66 677L64 652H97C135 652 140 651 129 598L38 167C23 96 29 57 44 33C60 7 98 -12 132 -12C169 -12 232 3 290 41C383 102 452 223 452 333ZM365 316C365 199 308 87 239 49C221 39 200 35 183 35C137 35 99 70 112 163C116 191 123 215 129 233C190 316 290 392 330 392C348 392 365 372 365 316Z"></path></g></svg>.</span></div>

Wireless Communications and Mobile Computing

fig5

Figure 5

Figure 5: ADAS: Adaptive Switching between Full-Duplex and MU-MIMO for Wi-Fi Networks 