Optimization Strategy of Task Offloading with Wireless and Computing Resource Management in Mobile Edge Computing

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/8288836/figures/8288836.fig.003a.svgz" name="8288836.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The system utility with different input data sizes (<span class="nowrap"><svg height="14.4611pt" id="M281" style="vertical-align:-5.8252pt" version="1.1" viewbox="-0.0498162 -8.6359 21.4376 14.4611" width="21.4376pt" 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="M743 375C743 570 607 650 407 650H136L130 622C214 612 220 606 204 526L125 122C110 43 105 36 24 27L17 0H250C382 0 482 23 571 76C680 141 743 248 743 375ZM644 379C644 188 520 36 305 36C277 36 249 38 229 46C205 55 202 71 212 126L293 553C300 588 306 600 317 606C330 613 356 617 390 617C547 617 644 537 644 379Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.893,3.132)"><path d="M528 97L513 125C484 95 440 68 431 68C425 68 421 76 427 107C449 227 476 342 505 451H495L418 424L385 278C338 191 220 62 157 62C145 62 133 76 145 130L200 368C215 434 210 451 183 451C157 451 92 418 24 352L37 324C78 356 106 377 115 377C123 377 122 364 116 340L64 115C58 89 56 68 56 52C56 2 78 -12 103 -12C127 -12 159 -4 190 18C247 59 309 113 366 187H368L351 108C328 1 348 -12 368 -12C403 -12 472 33 528 97Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,14.916,-.065)"><path d="M798 93L780 124C747 88 714 75 706 75C699 75 699 79 706 108L752 301C786 442 748 454 723 454C697 454 685 448 656 433C617 413 538 363 464 262H462L471 298C504 429 469 454 440 454C409 454 394 449 368 435C319 408 245 343 179 257H177L197 341C214 413 214 454 181 454C153 454 90 421 25 344L43 314C57 332 106 375 118 375C127 375 129 374 121 336C97 225 67 111 32 -6L42 -12C66 -5 95 2 122 6L160 166C192 225 325 384 381 384C403 384 405 375 390 295C371 194 348 91 323 -6L327 -12C347 -6 379 3 407 6C417 61 432 125 445 170C479 232 607 384 659 384C679 384 690 370 677 322L616 88C600 26 608 -12 640 -12C667 -12 736 23 798 93Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,14.871,5.717)"><path d="M363 392C363 416 330 454 273 454C246 454 189 439 146 400C110 367 97 335 97 309C97 248 143 215 199 179C254 144 264 123 264 101C264 77 242 42 196 42C156 42 112 77 90 109C83 119 76 123 55 112C40 104 25 89 25 66C25 31 88 -12 141 -12C238 -12 336 62 336 140C336 194 300 230 238 264C200 285 168 308 168 347C168 383 200 399 223 399C263 399 285 381 306 348C310 341 322 335 334 342C352 352 363 374 363 392Z"></path></g></svg>)</span></td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/8288836/figures/8288836.fig.003b.svgz" name="8288836.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The system utility with different workloads (<span class="nowrap"><svg height="14.4611pt" id="M282" style="vertical-align:-5.8252pt" version="1.1" viewbox="-0.0498162 -8.6359 20.1588 14.4611" width="20.1588pt" 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="M645 631C614 643 545 666 457 666C215 666 23 519 23 283C23 90 158 -16 337 -16C412 -16 489 2 522 10C543 39 590 127 606 167L580 181C519 89 459 18 348 18C201 18 122 136 122 287C122 464 244 632 435 632C544 632 602 595 608 472L639 475C643 526 645 581 645 631Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.619,3.132)"><path d="M528 97L513 125C484 95 440 68 431 68C425 68 421 76 427 107C449 227 476 342 505 451H495L418 424L385 278C338 191 220 62 157 62C145 62 133 76 145 130L200 368C215 434 210 451 183 451C157 451 92 418 24 352L37 324C78 356 106 377 115 377C123 377 122 364 116 340L64 115C58 89 56 68 56 52C56 2 78 -12 103 -12C127 -12 159 -4 190 18C247 59 309 113 366 187H368L351 108C328 1 348 -12 368 -12C403 -12 472 33 528 97Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,13.642,-.065)"><path d="M798 93L780 124C747 88 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<div>The system utility against different task input data sizes (<span class="nowrap"><svg height="14.4611pt" id="M279" style="vertical-align:-5.8252pt" version="1.1" viewbox="-0.0498162 -8.6359 21.4376 14.4611" width="21.4376pt" 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="M743 375C743 570 607 650 407 650H136L130 622C214 612 220 606 204 526L125 122C110 43 105 36 24 27L17 0H250C382 0 482 23 571 76C680 141 743 248 743 375ZM644 379C644 188 520 36 305 36C277 36 249 38 229 46C205 55 202 71 212 126L293 553C300 588 306 600 317 606C330 613 356 617 390 617C547 617 644 537 644 379Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.893,3.132)"><path d="M528 97L513 125C484 95 440 68 431 68C425 68 421 76 427 107C449 227 476 342 505 451H495L418 424L385 278C338 191 220 62 157 62C145 62 133 76 145 130L200 368C215 434 210 451 183 451C157 451 92 418 24 352L37 324C78 356 106 377 115 377C123 377 122 364 116 340L64 115C58 89 56 68 56 52C56 2 78 -12 103 -12C127 -12 159 -4 190 18C247 59 309 113 366 187H368L351 108C328 1 348 -12 368 -12C403 -12 472 33 528 97Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,14.916,-.065)"><path d="M798 93L780 124C747 88 714 75 706 75C699 75 699 79 706 108L752 301C786 442 748 454 723 454C697 454 685 448 656 433C617 413 538 363 464 262H462L471 298C504 429 469 454 440 454C409 454 394 449 368 435C319 408 245 343 179 257H177L197 341C214 413 214 454 181 454C153 454 90 421 25 344L43 314C57 332 106 375 118 375C127 375 129 374 121 336C97 225 67 111 32 -6L42 -12C66 -5 95 2 122 6L160 166C192 225 325 384 381 384C403 384 405 375 390 295C371 194 348 91 323 -6L327 -12C347 -6 379 3 407 6C417 61 432 125 445 170C479 232 607 384 659 384C679 384 690 370 677 322L616 88C600 26 608 -12 640 -12C667 -12 736 23 798 93Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,14.871,5.717)"><path d="M363 392C363 416 330 454 273 454C246 454 189 439 146 400C110 367 97 335 97 309C97 248 143 215 199 179C254 144 264 123 264 101C264 77 242 42 196 42C156 42 112 77 90 109C83 119 76 123 55 112C40 104 25 89 25 66C25 31 88 -12 141 -12C238 -12 336 62 336 140C336 194 300 230 238 264C200 285 168 308 168 347C168 383 200 399 223 399C263 399 285 381 306 348C310 341 322 335 334 342C352 352 363 374 363 392Z"></path></g></svg>)</span> or workloads (<span class="nowrap"><svg height="14.4611pt" id="M280" style="vertical-align:-5.8252pt" version="1.1" viewbox="-0.0498162 -8.6359 20.1588 14.4611" width="20.1588pt" 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="M645 631C614 643 545 666 457 666C215 666 23 519 23 283C23 90 158 -16 337 -16C412 -16 489 2 522 10C543 39 590 127 606 167L580 181C519 89 459 18 348 18C201 18 122 136 122 287C122 464 244 632 435 632C544 632 602 595 608 472L639 475C643 526 645 581 645 631Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.619,3.132)"><path d="M528 97L513 125C484 95 440 68 431 68C425 68 421 76 427 107C449 227 476 342 505 451H495L418 424L385 278C338 191 220 62 157 62C145 62 133 76 145 130L200 368C215 434 210 451 183 451C157 451 92 418 24 352L37 324C78 356 106 377 115 377C123 377 122 364 116 340L64 115C58 89 56 68 56 52C56 2 78 -12 103 -12C127 -12 159 -4 190 18C247 59 309 113 366 187H368L351 108C328 1 348 -12 368 -12C403 -12 472 33 528 97Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,13.642,-.065)"><path d="M798 93L780 124C747 88 714 75 706 75C699 75 699 79 706 108L752 301C786 442 748 454 723 454C697 454 685 448 656 433C617 413 538 363 464 262H462L471 298C504 429 469 454 440 454C409 454 394 449 368 435C319 408 245 343 179 257H177L197 341C214 413 214 454 181 454C153 454 90 421 25 344L43 314C57 332 106 375 118 375C127 375 129 374 121 336C97 225 67 111 32 -6L42 -12C66 -5 95 2 122 6L160 166C192 225 325 384 381 384C403 384 405 375 390 295C371 194 348 91 323 -6L327 -12C347 -6 379 3 407 6C417 61 432 125 445 170C479 232 607 384 659 384C679 384 690 370 677 322L616 88C600 26 608 -12 640 -12C667 -12 736 23 798 93Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,13.597,5.717)"><path d="M363 392C363 416 330 454 273 454C246 454 189 439 146 400C110 367 97 335 97 309C97 248 143 215 199 179C254 144 264 123 264 101C264 77 242 42 196 42C156 42 112 77 90 109C83 119 76 123 55 112C40 104 25 89 25 66C25 31 88 -12 141 -12C238 -12 336 62 336 140C336 194 300 230 238 264C200 285 168 308 168 347C168 383 200 399 223 399C263 399 285 381 306 348C310 341 322 335 334 342C352 352 363 374 363 392Z"></path></g></svg>).</span></div>

Wireless Communications and Mobile Computing

fig3

Figure 3

Figure 3: Optimization Strategy of Task Offloading with Wireless and Computing Resource Management in Mobile Edge Computing 