CN1612486A - 提供短块长度低密度奇偶性校验码的方法和系统 - Google Patents
提供短块长度低密度奇偶性校验码的方法和系统 Download PDFInfo
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- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
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- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
- H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
- H03M13/1148—Structural properties of the code parity-check or generator matrix
- H03M13/116—Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices
- H03M13/1165—QC-LDPC codes as defined for the digital video broadcasting [DVB] specifications, e.g. DVB-Satellite [DVB-S2]
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- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
- H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
- H03M13/1148—Structural properties of the code parity-check or generator matrix
- H03M13/118—Parity check matrix structured for simplifying encoding, e.g. by having a triangular or an approximate triangular structure
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- H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
- H03M13/2906—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
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- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
- H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
- H03M13/1105—Decoding
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- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/13—Linear codes
- H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
- H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
- H03M13/152—Bose-Chaudhuri-Hocquenghem [BCH] codes
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Abstract
Description
奇偶校验位累加器的地址(根据1/2比率来缩短) |
20 712 2386 6354 4061 1062 5045 515821 2543 5748 4822 2348 3089 6328 587622 926 5701 269 3693 2438 3190 350723 2802 4520 3577 5324 1091 4667 444924 5140 2003 1263 4742 6497 1185 62020 4046 69341 2855 662 6694 2123 3439 11584 3850 44225 5924 2906 1467 40497 7820 22428 4606 30809 4633 787710 3884 686811 8935 499612 3028 76413 5988 105714 7411 3450 |
奇偶校验位累加器的地址(3/5比率) |
2765 5713 6426 3596 1374 4811 2182 544 3394 2840 4310 7714951 211 2208 723 1246 2928 398 5739 265 5601 5993 2615210 4730 5777 3096 4282 6238 4939 1119 6463 5298 6320 40164167 2063 4757 3157 5664 3956 6045 563 4284 2441 3412 63344201 2428 4474 59 1721 736 2997 428 3807 1513 4732 61952670 3081 5139 3736 1999 5889 4362 3806 4534 5409 6384 58095516 1622 2906 3285 1257 5797 3816 817 875 2311 3543 12054244 2184 5415 1705 5642 4886 2333 287 1848 1121 3595 60222142 2830 4069 5654 1295 2951 3919 1356 884 1786 396 47380 2161 26531 1380 14612 2502 37073 3971 10574 5985 60625 1733 60286 3786 19367 4292 9568 5692 34179 266 487810 4913 324711 4763 393712 3590 290313 2566 421514 5208 470715 3940 338816 5109 455617 4908 4177 |
奇偶校验位累加器的地址(2/3比率) |
0 2084 1613 1548 1286 1460 3196 4297 2481 3369 3451 4620 26221 122 1516 3448 2880 1407 1847 3799 3529 373 971 4358 31082 259 3399 929 2650 864 3996 3833 107 5287 164 3125 23503 342 35294 4198 21475 1880 48366 3864 49107 243 15428 3011 14369 2167 251210 4606 100311 2835 70512 3426 236513 3848 247414 1360 17430 163 25361 2583 11802 1542 5093 4418 10054 5212 51175 2155 29226 347 26967 226 42968 1560 4879 3926 164010 149 292811 2364 56312 635 68813 231 168414 1129 3894 |
奇偶校验位累加器的地址(根据3/4比率缩短) |
3 3198 478 4207 1481 1009 2616 1924 3437 554 683 18014 2681 21355 3107 40276 2637 33737 3830 34498 4129 20609 4184 274210 3946 107011 2239 9840 1458 30311 3003 13282 1137 17163 132 37254 1817 6385 1774 34476 3632 12577 542 36948 1015 19459 1948 41210 995 223811 4141 19070 2480 30791 3021 10882 713 13793 997 39034 2323 33615 1110 9866 2532 1427 1690 24058 1298 18819 615 17410 1648 311211 1415 2808 |
奇偶校验位累加器的地址(根据4/5比率缩短) |
5 896 15656 2493 1847 212 32108 727 13399 3428 6120 2663 19471 230 26952 2025 27943 3039 2834 862 28895 376 21106 2034 22867 951 20688 3108 35429 307 14210 2272 11971 1800 32802 331 23083 465 25524 1038 24795 1383 3436 94 2367 2619 1218 1497 27749 2116 18550 722 15841 2767 18812 2701 16103 3283 17324 168 10995 3074 2436 3460 9457 2049 17468 566 14279 3545 1168 |
奇偶校验位累加器的地址(根据5/6比率缩短) |
3 2409 499 1481 908 559 716 1270 333 2508 2264 1702 28054 2447 19265 414 12246 2114 8427 212 5730 2383 21121 2286 23482 545 8193 1264 1434 1701 22585 964 1666 114 24137 2243 810 1245 15811 775 1692 1696 11043 1914 28314 532 14505 91 9746 497 22287 2326 15790 2482 2561 1117 12612 1257 16583 1478 12254 2511 9805 2320 26756 435 12787 228 5030 1885 23691 57 4832 838 10503 1231 19904 1738 685 2392 9516 163 6457 2644 1704 |
奇偶校验位累加器的地址(8/9比率) |
0 1558 712 8051 1450 873 13372 1741 1129 11843 294 806 15664 482 605 9230 926 15781 777 13742 608 1513 1195 2104 1484 6920 427 4881 828 11242 874 13663 1500 8354 1496 5020 1006 17011 1155 972 657 14033 1453 6244 429 14950 809 3851 367 1512 1323 2023 960 3184 1451 10390 1098 17221 1015 14282 1261 15643 544 11904 1472 12460 508 6301 421 17042 284 8983 392 5774 1155 5560 631 10001 732 13682 1328 3293 1515 5064 1104 1172 |
奇偶校验位累加器的地址(1/3比率) |
416 8909 4156 3216 3112 2560 2912 6405 8593 4969 6723 69128978 3011 4339 9312 6396 2957 7288 5485 6031 10218 2226 35753383 10059 1114 10008 10147 9384 4290 434 5139 3536 1965 22912797 3693 7615 7077 743 1941 8716 6215 3840 5140 4582 54206110 8551 1515 7404 4879 4946 5383 1831 3441 9569 10472 43061505 5682 77787172 6830 66237281 3941 350510270 8669 9143622 7563 93889930 5058 45544844 9609 27076883 3237 17144768 3878 1001710127 3334 8267 |
奇偶校验位累加器的地址(根据1/5比率缩短) |
6295 9626 304 7695 4839 4936 1660 144 11203 5567 6347 1255710691 4988 3859 3734 3071 3494 7687 10313 5964 8069 8296 1109010774 3613 5208 11177 7676 3549 8746 6583 7239 12265 2674 429211869 3708 5981 8718 4908 10650 6805 3334 2627 10461 9285 111207844 3079 107733385 10854 57471360 12010 122026189 4241 23439840 12726 4977 |
奇偶校验位累加器的地址(2/5比率) |
5650 4143 8750 583 6720 8071 635 1767 1344 6922 738 66585696 1685 3207 415 7019 5023 5608 2605 857 6915 1770 80163992 771 2190 7258 8970 7792 1802 1866 6137 8841 886 19314108 3781 7577 6810 9322 8226 5396 5867 4428 8827 7766 22544247 888 4367 8821 9660 324 5864 4774 227 7889 6405 89639693 500 2520 2227 1811 9330 1928 5140 4030 4824 806 31341652 8171 14353366 6543 37459286 8509 46457397 5790 89726597 4422 17999276 4041 38478683 7378 49465348 1993 91866724 9015 56464502 4439 84745107 7342 94421387 8910 2660 |
Kldpc | Kbch | BCH校正(位) | 有效的LDPC比例Kldpc/nldpc |
7200 | 7032 | 12 | 0.444 |
9720 | 9552 | 12 | 3/5 |
110800 | 10632 | 12 | 2/3 |
11880 | 11712 | 12 | 0.733 |
12600 | 12432 | 12 | 0.777 |
13320 | 13152 | 12 | 0.822 |
14400 | 14232 | 12 | 8/9 |
Claims (16)
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US50010903P | 2003-09-04 | 2003-09-04 | |
US60/500,109 | 2003-09-04 | ||
US50591603P | 2003-09-25 | 2003-09-25 | |
US60/505,916 | 2003-09-25 | ||
US51819903P | 2003-11-07 | 2003-11-07 | |
US60/518,199 | 2003-11-07 |
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CN1612486A true CN1612486A (zh) | 2005-05-04 |
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US (4) | US7237174B2 (zh) |
EP (2) | EP2270992A1 (zh) |
JP (1) | JP3936354B2 (zh) |
KR (1) | KR100683084B1 (zh) |
CN (1) | CN1612486A (zh) |
CA (2) | CA2685463C (zh) |
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CN106856569A (zh) * | 2015-12-09 | 2017-06-16 | 扬智科技股份有限公司 | 解码器、接收装置及其解码方法 |
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US7461325B2 (en) | 2008-12-02 |
US8181085B2 (en) | 2012-05-15 |
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CA2685463C (en) | 2014-07-08 |
US7237174B2 (en) | 2007-06-26 |
KR100683084B1 (ko) | 2007-02-15 |
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JP2005086824A (ja) | 2005-03-31 |
CA2480208C (en) | 2010-01-26 |
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EP1513259A2 (en) | 2005-03-09 |
CA2685463A1 (en) | 2005-03-04 |
US20050066262A1 (en) | 2005-03-24 |
US20070234179A1 (en) | 2007-10-04 |
JP3936354B2 (ja) | 2007-06-27 |
US7856586B2 (en) | 2010-12-21 |
KR20050025075A (ko) | 2005-03-11 |
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