MX378589B - Codificador de revision de paridad de baja densidad que tiene una longitud de 64800 y un indice de codigo de 3/15 y metodo de codificacion de revision de paridad de baja densidad que utiliza el mismo. - Google Patents
Codificador de revision de paridad de baja densidad que tiene una longitud de 64800 y un indice de codigo de 3/15 y metodo de codificacion de revision de paridad de baja densidad que utiliza el mismo.Info
- Publication number
- MX378589B MX378589B MX2017011578A MX2017011578A MX378589B MX 378589 B MX378589 B MX 378589B MX 2017011578 A MX2017011578 A MX 2017011578A MX 2017011578 A MX2017011578 A MX 2017011578A MX 378589 B MX378589 B MX 378589B
- Authority
- MX
- Mexico
- Prior art keywords
- parity check
- low density
- density parity
- ldpc
- length
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- 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
- H03M13/116—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]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- 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
- H03M13/116—Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- 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
- H03M13/1185—Parity check matrix structured for simplifying encoding, e.g. by having a triangular or an approximate triangular structure wherein the parity-check matrix comprises a part with a double-diagonal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
- H04L1/0058—Block-coded modulation
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Error Detection And Correction (AREA)
Abstract
Se describe un codificador de revisión de paridad de baja densidad (LDPC), un decodificador de LDPC y un método codificador de LDPC; el codificador de LDPC incluye una primera memoria, una segunda memoria y un procesador; la primera memoria almacena una palabra código de LDPC que tiene una longitud de 64800 y un índice de código de 3/15; la segunda memoria es inicializada a 0; el procesador genera la palabra código de LDPC que corresponde a los bits de información al realizar la acumulación con respecto a la segunda memoria al usar una secuencia que corresponde a una matriz de revisión de paridad (PCM).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20140106179 | 2014-08-14 | ||
| KR1020140120013A KR102184831B1 (ko) | 2014-08-14 | 2014-09-11 | 길이가 64800이며, 부호율이 3/15인 ldpc 부호화기 및 이를 이용한 ldpc 부호화 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX378589B true MX378589B (es) | 2025-03-10 |
Family
ID=55302923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2017011578A MX378589B (es) | 2014-08-14 | 2014-10-07 | Codificador de revision de paridad de baja densidad que tiene una longitud de 64800 y un indice de codigo de 3/15 y metodo de codificacion de revision de paridad de baja densidad que utiliza el mismo. |
Country Status (3)
| Country | Link |
|---|---|
| US (5) | US9525432B2 (es) |
| CA (2) | CA2959609C (es) |
| MX (1) | MX378589B (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2858249A1 (en) * | 2013-10-07 | 2015-04-08 | Electronics and Telecommunications Research Institute | Low density parity check encoder |
| US9577678B2 (en) * | 2014-01-29 | 2017-02-21 | Electronics And Telecommunications Research Institute | Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 7/15 and quadrature phase shift keying, and bit interleaving method using same |
| CA2864635C (en) * | 2014-08-14 | 2017-06-27 | Sung-Ik Park | Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same |
| US9602244B2 (en) * | 2014-08-14 | 2017-03-21 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 16200 and code rate of 4/15, and low density parity check encoding method using the same |
| CA2864694C (en) * | 2014-08-14 | 2017-06-27 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 16200 and code rate of 5/15, and low density parity check encoding method using the same |
| CA2959609C (en) * | 2014-08-14 | 2019-05-07 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 64800 and code rate of 3/15, and low density parity check encoding method using the same |
| US9602243B2 (en) * | 2014-08-26 | 2017-03-21 | Electronics And Telecommunications Research Institute | Low density parity check encoder, and low density parity check encoding method using the same |
| KR102240750B1 (ko) * | 2015-01-20 | 2021-04-16 | 한국전자통신연구원 | 길이가 64800이며, 부호율이 2/15인 ldpc 부호어 및 qpsk를 위한 비트 인터리버 및 이를 이용한 비트 인터리빙 방법 |
| KR102240740B1 (ko) * | 2015-01-27 | 2021-04-16 | 한국전자통신연구원 | 길이가 16200이며, 부호율이 2/15인 ldpc 부호어 및 256-심볼 맵핑을 위한 비트 인터리버 및 이를 이용한 비트 인터리빙 방법 |
| TWI684856B (zh) * | 2018-04-20 | 2020-02-11 | 慧榮科技股份有限公司 | 解碼方法及相關的快閃記憶體控制器與電子裝置 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7581157B2 (en) | 2004-06-24 | 2009-08-25 | Lg Electronics Inc. | Method and apparatus of encoding and decoding data using low density parity check code in a wireless communication system |
| US7802172B2 (en) * | 2005-06-20 | 2010-09-21 | Stmicroelectronics, Inc. | Variable-rate low-density parity check codes with constant blocklength |
| KR100834650B1 (ko) * | 2006-09-04 | 2008-06-02 | 삼성전자주식회사 | 통신 시스템에서 신호 송수신 장치 및 방법 |
| KR20090113869A (ko) | 2007-01-24 | 2009-11-02 | 콸콤 인코포레이티드 | 가변 크기들의 패킷들의 ldpc 인코딩 및 디코딩 |
| KR101685010B1 (ko) | 2012-06-01 | 2016-12-13 | 한국전자통신연구원 | 지상파 클라우드 방송을 위한 ldpc 부호 |
| EP2858249A1 (en) * | 2013-10-07 | 2015-04-08 | Electronics and Telecommunications Research Institute | Low density parity check encoder |
| US9520898B2 (en) * | 2014-02-13 | 2016-12-13 | Electronics And Telecommunications Research Institute | Modulator and modulation method using non-uniform 16-symbol signal constellation for low-density parity check codeword having 3/15 code rate |
| US9602131B2 (en) * | 2014-02-20 | 2017-03-21 | Electronics And Telecommunications Research Institute | Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 16-symbol mapping, and bit interleaving method using same |
| US10419023B2 (en) * | 2014-03-20 | 2019-09-17 | Electronics And Telecommunications Research Institute | Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and 1024-symbol mapping, and bit interleaving method using same |
| US10326471B2 (en) * | 2014-05-22 | 2019-06-18 | Electronics And Telecommunications Research Institute | Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 3/15 and quadrature phase shift keying, and bit interleaving method using same |
| US10361720B2 (en) * | 2014-05-22 | 2019-07-23 | Electronics And Telecommunications Research Institute | Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 3/15 and 64-symbol mapping, and bit interleaving method using same |
| US9489259B2 (en) * | 2014-08-14 | 2016-11-08 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 16200 and code rate of 2/15, and low density parity check encoding method using the same |
| US9496896B2 (en) * | 2014-08-14 | 2016-11-15 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 64800 and code rate of 5/15, and low density parity check encoding method using the same |
| CA2864635C (en) * | 2014-08-14 | 2017-06-27 | Sung-Ik Park | Low density parity check encoder having length of 16200 and code rate of 3/15, and low density parity check encoding method using the same |
| CA2864694C (en) * | 2014-08-14 | 2017-06-27 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 16200 and code rate of 5/15, and low density parity check encoding method using the same |
| US9490843B2 (en) * | 2014-08-14 | 2016-11-08 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 64800 and code rate of 2/15, and low density parity check encoding method using the same |
| CA2959609C (en) * | 2014-08-14 | 2019-05-07 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 64800 and code rate of 3/15, and low density parity check encoding method using the same |
| US9602244B2 (en) * | 2014-08-14 | 2017-03-21 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 16200 and code rate of 4/15, and low density parity check encoding method using the same |
| US9800266B2 (en) * | 2014-08-14 | 2017-10-24 | Electronics And Telecommunications Research Institute | Low density parity check encoder having length of 64800 and code rate of 4/15, and low density parity check encoding method using the same |
| US9602243B2 (en) * | 2014-08-26 | 2017-03-21 | Electronics And Telecommunications Research Institute | Low density parity check encoder, and low density parity check encoding method using the same |
-
2014
- 2014-09-25 CA CA2959609A patent/CA2959609C/en active Active
- 2014-09-25 US US14/496,627 patent/US9525432B2/en active Active
- 2014-09-25 CA CA2864644A patent/CA2864644C/en active Active
- 2014-10-07 MX MX2017011578A patent/MX378589B/es unknown
-
2016
- 2016-11-08 US US15/346,004 patent/US10110250B2/en active Active
-
2018
- 2018-09-19 US US16/136,073 patent/US10404281B2/en active Active
-
2019
- 2019-07-24 US US16/520,849 patent/US10979075B2/en active Active
-
2021
- 2021-03-10 US US17/198,091 patent/US11463109B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2864644A1 (en) | 2016-02-14 |
| CA2959609A1 (en) | 2016-02-14 |
| US20160049958A1 (en) | 2016-02-18 |
| US10404281B2 (en) | 2019-09-03 |
| CA2959609C (en) | 2019-05-07 |
| US10110250B2 (en) | 2018-10-23 |
| US11463109B2 (en) | 2022-10-04 |
| US10979075B2 (en) | 2021-04-13 |
| US20190349007A1 (en) | 2019-11-14 |
| US20190020354A1 (en) | 2019-01-17 |
| US9525432B2 (en) | 2016-12-20 |
| CA2864644C (en) | 2017-06-27 |
| US20170054451A1 (en) | 2017-02-23 |
| US20210194503A1 (en) | 2021-06-24 |
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