Low density parity check encoder having length of 64800 and code rate of 7/15, and low density parity check encoding method using the same

摘要

A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 7/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM).

主权项

1. A low density parity check (LDPC) encoder, comprising:
first memory configured to store an LDPC codeword having a length of 64800 and a code rate of 7/15; second memory configured to be initialized to 0; and a processor configured to generate the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM), wherein the sequence is represented by the following Sequence Table:Sequence Table1st row: 460 792 1007 4580 11452 13130 26882 27020 324392nd row: 35 472 1056 7154 12700 13326 13414 16828 191023rd row: 45 440 772 4854 7863 26945 27684 28651 318754th row: 744 812 892 1509 9018 12925 14140 21357 251065th row: 271 474 761 4268 6706 9609 19701 19707 248706th row: 223 477 662 1987 9247 18376 22148 24948 276947th row: 44 379 786 8823 12322 14666 16377 28688 299248th row: 104 219 562 5832 19665 20615 21043 22759 321809th row: 41 43 870 7963 13718 14136 17216 30470 3342810th row: 592 744 887 4513 6192 18116 19482 25032 3409511th row: 456 821 1078 7162 7443 8774 15567 17243 3308512th row: 151 666 977 6946 10358 11172 18129 19777 3223413th row: 236 793 870 2001 6805 9047 13877 30131 3425214th row: 297 698 772 3449 4204 11608 22950 26071 2751215th row: 202 428 474 3205 3726 6223 7708 20214 2528316th row: 139 719 915 1447 2938 11864 15932 21748 2859817th row: 135 853 902 3239 18590 20579 30578 33374 3404518th row: 9 13 971 11834 13642 17628 21669 24741 3096519th row: 344 531 730 1880 16895 17587 21901 28620 3195720th row: 7 192 380 3168 3729 5518 6827 20372 3416821st row: 28 521 681 4313 7465 14209 21501 23364 2598022nd row: 269 393 898 3561 11066 11985 17311 26127 3030923rd row: 42 82 707 4880 4890 9818 23340 25959 3169524th row: 189 262 707 6573 14082 22259 24230 24390 2466425th row: 383 568 573 5498 13449 13990 16904 22629 3420326th row: 585 596 820 2440 2488 21956 28261 28703 2959127th row: 755 763 795 5636 16433 21714 23452 31150 3454528th row: 23 343 669 1159 3507 13096 17978 24241 3432129th row: 316 384 944 4872 8491 18913 21085 23198 2479830th row: 64 314 765 3706 7136 8634 14227 17127 2343731st row: 220 693 899 8791 12417 13487 18335 22126 2742832nd row: 285 794 1045 8624 8801 9547 19167 21894 3265733rd row: 386 621 1045 1634 1882 3172 13686 16027 2244834th row: 95 622 693 2827 7098 11452 14112 18831 3130835th row: 446 813 928 7976 8935 13146 27117 27766 3311136th row: 89 138 241 3218 9283 20458 31484 31538 3421637th row: 277 420 704 9281 12576 12788 14496 15357 2058538th row: 141 643 758 4894 10264 15144 16357 22478 2646139th row: 17 108 160 13183 15424 17939 19276 23714 2665540th row: 109 285 608 1682 20223 21791 24615 29622 3198341st row: 123 515 622 7037 13946 15292 15606 16262 2374242nd row: 264 565 923 6460 13622 13934 23181 25475 2613443rd row: 202 548 789 8003 10993 12478 16051 25114 2757944th row: 121 450 575 5972 10062 18693 21852 23874 2803145th row: 507 560 889 12064 13316 19629 21547 25461 2873246th row: 664 786 1043 9137 9294 10163 23389 31436 3429747th row: 45 830 907 10730 16541 21232 30354 30605 3184748th row: 203 507 1060 6971 12216 13321 17861 22671 2982549th row: 369 881 952 3035 12279 12775 17682 17805 3428150th row: 683 709 1032 3787 17623 24138 26775 31432 3362651st row: 524 792 1042 12249 14765 18601 25811 32422 3316352nd row: 137 639 688 7182 8169 10443 22530 24597 2903953rd row: 159 643 749 16386 17401 24135 28429 33468 3346954th row: 107 481 555 7322 13234 19344 23498 26581 3137855th row: 249 389 523 3421 10150 17616 19085 20545 3206956th row: 395 738 1045 2415 3005 3820 19541 23543 3106857th row: 27 293 703 1717 3460 8326 8501 10290 3262558th row: 126 247 515 6031 9549 10643 22067 29490 3445059th row: 331 471 1007 3020 3922 7580 23358 28620 3094660th row: 222 542 1021 3291 3652 13130 16349 33009 3434861st row: 532 719 1038 5891 7528 23252 25472 31395 3177462nd row: 145 398 774 7816 13887 14936 23708 31712 3316063rd row: 88 536 600 1239 1887 12195 13782 16726 2799864th row: 151 269 585 1445 3178 3970 15568 20358 2105165th row: 650 819 865 15567 18546 25571 32038 33350 3362066th row: 93 469 800 6059 10405 12296 17515 21354 2223167th row: 97 206 951 6161 16376 27022 29192 30190 3066568th row: 412 549 986 5833 10583 10766 24946 28878 3193769th row: 72 604 659 5267 12227 21714 32120 33472 3397470th row: 25 902 912 1137 2975 9642 11598 25919 2827871st row: 420 976 1055 8473 11512 20198 21662 25443 3011972nd row: 1 24 932 6426 11899 13217 13935 16548 2973773rd row: 53 618 988 6280 7267 11676 13575 15532 2578774th row: 111 739 809 8133 12717 12741 20253 20608 2785075th row: 120 683 943 14496 15162 15440 18660 27543 3240476th row: 600 754 1055 7873 9679 17351 27268 3350877th row: 344 756 1054 7102 7193 22903 24720 2788378th row: 582 1003 1046 11344 23756 27497 27977 3285379th row: 28 429 509 11106 11767 12729 13100 3179280th row: 131 555 907 5113 10259 10300 20580 2302981st row: 406 915 977 12244 20259 26616 27899 3222882nd row: 46 195 224 1229 4116 10263 13608 1783083rd row: 19 819 953 7965 9998 13959 30580 3075484th row: 164 1003 1032 12920 15975 16582 22624 2735785th row: 8433 11894 13531 17675 25889 3138486th row: 3166 3813 8596 10368 25104 2958487th row: 2466 8241 12424 13376 24837 32711.