A Novel Secure Transmission Scheme in MIMO Two-Way Relay Channels with Physical Layer Approach

Conditional probability distribution between <svg height="11.927pt" id="M296" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 13.5447 11.927" width="13.5447pt" 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="M640 650H413L406 622L438 617C475 611 483 605 463 571C422 503 346 400 296 333C264 403 215 529 199 575C189 604 191 614 228 618L262 622L271 650H30L23 622C90 615 97 609 119 553L212 321C222 295 223 285 218 259L193 127C176 39 167 33 82 28L76 0H350L356 28C266 36 257 40 275 127L303 266C308 290 314 302 328 322C396 418 454 493 498 546C551 610 565 616 631 622L640 650Z" id="g113-90"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="652" vert-adv-y="652"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,7.111,3.132)"><path d="M636 22C611 29 589 38 560 74C536 104 518 134 495 173L430 300C518 328 592 392 592 492C592 555 563 594 528 618C491 643 435 650 377 650H140L131 618C222 610 223 601 208 518L137 136C121 43 116 40 27 32L18 0H295L300 32C212 40 206 42 223 138L248 279H296C334 279 350 272 369 230C393 174 413 140 441 94C482 24 523 1 626 -8L636 22ZM497 480C497 422 468 374 417 343C387 324 353 315 304 315H255L298 556C303 583 309 598 319 603C331 610 348 613 367 613C448 613 497 573 497 480Z" id="g50-83"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="654" vert-adv-y="654"></glyph.data></g></svg> and <svg height="13.9769pt" id="M297" style="vertical-align:-5.341001pt" version="1.1" viewbox="-0.0498162 -8.6359 21.6437 13.9769" width="21.6437pt" 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="M748 650H522L515 622L546 617C580 611 587 604 565 575C518 513 469 451 419 393C376 474 349 534 330 580C318 609 325 612 361 618L383 622L392 650H151L144 622C214 616 224 612 257 543L360 327C270 218 187 124 159 95C106 40 92 34 26 28L17 0H252L259 28L236 31C189 37 188 47 209 78C249 136 308 210 377 294L478 79C494 44 487 37 449 32L418 28L409 0H673L680 28C596 34 591 39 554 116L436 361C526 469 574 521 604 553C659 612 669 614 739 622L748 650Z" id="g113-89"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="765" vert-adv-y="765"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,9.88,3.132)"><path d="M722 32C646 41 636 48 622 116L544 496L509 667L472 658L153 123C106 45 93 42 27 32L18 0H259L268 32C178 40 172 48 204 107L272 233H509C523 180 533 137 540 96C548 50 546 39 466 32L457 0H714L722 32ZM502 283H299L448 547H450L502 283Z" id="g50-66"></path><glyph.data ascent="3443" descent="-2856" horiz-adv-x="740" vert-adv-y="740"></glyph.data></g><g transform="matrix(.0065,0,0,-0.0065,17.124,5.233)"><path d="M490 420C490 437 473 454 444 454C390 454 313 392 258 339L163 247H161L261 676C266 696 264 708 257 708C244 708 183 678 96 672L87 638L131 637C164 636 169 635 161 599L25 -4L33 -12C50 -3 84 5 114 10C127 83 135 123 149 182C155 197 180 221 206 243C235 170 266 105 293 53C320 2 335 -12 363 -12C385 -12 427 -2 489 83L466 109C440 83 414 59 402 59C391 59 382 70 359 113C333 159 293 247 272 296C301 333 360 376 407 376C428 376 444 375 451 369C457 365 470 365 474 372C482 387 490 408 490 420Z" id="g176-108"></path><glyph.data ascent="3439" descent="-2858" horiz-adv-x="515" vert-adv-y="515"></glyph.data></g></svg>.

Mobile Information Systems

tab5

Table 5

Table 5: A Novel Secure Transmission Scheme in MIMO Two-Way Relay Channels with Physical Layer Approach 