PL2381582T3 - Sposób i urządzenie do kodowania kanałowego w systemie telekomunikacyjnym z wykorzystaniem kodów kontroli parzystości o niskiej gęstości - Google Patents
Sposób i urządzenie do kodowania kanałowego w systemie telekomunikacyjnym z wykorzystaniem kodów kontroli parzystości o niskiej gęstościInfo
- Publication number
- PL2381582T3 PL2381582T3 PL11174714T PL11174714T PL2381582T3 PL 2381582 T3 PL2381582 T3 PL 2381582T3 PL 11174714 T PL11174714 T PL 11174714T PL 11174714 T PL11174714 T PL 11174714T PL 2381582 T3 PL2381582 T3 PL 2381582T3
- Authority
- PL
- Poland
- Prior art keywords
- low
- communication system
- density parity
- channel encoding
- check codes
- Prior art date
Links
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
- H03M13/63—Joint error correction and other techniques
- H03M13/635—Error control coding in combination with rate matching
- H03M13/6362—Error control coding in combination with rate matching by puncturing
-
- 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
- H03M13/29—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
-
- 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
- H03M13/61—Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
- H03M13/618—Shortening and extension of 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
- H03M13/63—Joint error correction and other techniques
- H03M13/635—Error control coding in combination with rate matching
- H03M13/6362—Error control coding in combination with rate matching by puncturing
- H03M13/6368—Error control coding in combination with rate matching by puncturing using rate compatible puncturing or complementary puncturing
- H03M13/6393—Rate compatible 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
- H03M13/13—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20070126083 | 2007-12-06 | ||
KR20070127365 | 2007-12-10 | ||
KR20080012082 | 2008-02-11 | ||
KR1020080023848A KR101502624B1 (ko) | 2007-12-06 | 2008-03-14 | 저밀도 패리티 검사 부호를 사용하는 통신 시스템에서 채널 부호화/복호화 방법 및 장치 |
EP08021308A EP2068449B1 (en) | 2007-12-06 | 2008-12-08 | Shortening and puncturing of low-density parity-check (LDPC) codes for channel encoding and decoding |
EP11174714.3A EP2381582B1 (en) | 2007-12-06 | 2008-12-08 | Method and apparatus for channel encoding in a communication system using low-density parity-check codes |
Publications (1)
Publication Number | Publication Date |
---|---|
PL2381582T3 true PL2381582T3 (pl) | 2013-09-30 |
Family
ID=40418856
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL11174714T PL2381582T3 (pl) | 2007-12-06 | 2008-12-08 | Sposób i urządzenie do kodowania kanałowego w systemie telekomunikacyjnym z wykorzystaniem kodów kontroli parzystości o niskiej gęstości |
PL08021308T PL2068449T3 (pl) | 2007-12-06 | 2008-12-08 | Skracanie i wycinanie kodów kontroli parzystości niskiej gęstości (LDPC) dla kodowania i dekodowania kanałowego |
PL11174715T PL2381583T3 (pl) | 2007-12-06 | 2008-12-08 | Sposób i urządzenie do dekodowania kanałowego w systemie telekomunikacyjnym z wykorzystaniem kodów kontroli parzystości o niskiej gęstości |
PL10169986T PL2239854T3 (pl) | 2007-12-06 | 2008-12-08 | Skracanie i wymazywanie kodów kontroli parzystości niskiej gęstości (LDPC) w dekodowaniu kanałowym |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL08021308T PL2068449T3 (pl) | 2007-12-06 | 2008-12-08 | Skracanie i wycinanie kodów kontroli parzystości niskiej gęstości (LDPC) dla kodowania i dekodowania kanałowego |
PL11174715T PL2381583T3 (pl) | 2007-12-06 | 2008-12-08 | Sposób i urządzenie do dekodowania kanałowego w systemie telekomunikacyjnym z wykorzystaniem kodów kontroli parzystości o niskiej gęstości |
PL10169986T PL2239854T3 (pl) | 2007-12-06 | 2008-12-08 | Skracanie i wymazywanie kodów kontroli parzystości niskiej gęstości (LDPC) w dekodowaniu kanałowym |
Country Status (7)
Country | Link |
---|---|
US (1) | US8166367B2 (pl) |
EP (4) | EP2381582B1 (pl) |
JP (1) | JP5302972B2 (pl) |
CN (1) | CN101889398B (pl) |
AU (1) | AU2008332040B2 (pl) |
PL (4) | PL2381582T3 (pl) |
WO (1) | WO2009072854A1 (pl) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2381582B1 (en) * | 2007-12-06 | 2013-04-10 | Samsung Electronics Co., Ltd. | Method and apparatus for channel encoding in a communication system using low-density parity-check codes |
KR101503059B1 (ko) * | 2008-02-26 | 2015-03-19 | 삼성전자주식회사 | 저밀도 패리티 검사 부호를 사용하는 통신 시스템에서 채널 부호/복호 방법 및 장치 |
KR101644656B1 (ko) * | 2009-11-02 | 2016-08-10 | 삼성전자주식회사 | 선형 블록 부호를 사용하는 통신 시스템에서 패리티 검사 행렬을 생성하는 방법과 이를 이용한 채널 부호화/복호화 장치 및 방법 |
US8782489B2 (en) | 2010-02-18 | 2014-07-15 | Hughes Network Systems, Llc | Method and system for providing Low Density Parity Check (LDPC) encoding and decoding |
KR101611169B1 (ko) | 2011-01-18 | 2016-04-11 | 삼성전자주식회사 | 통신/방송 시스템에서 데이터 송수신 장치 및 방법 |
DE102011078642A1 (de) * | 2011-07-05 | 2013-01-10 | Robert Bosch Gmbh | Verfahren zum Prüfen eines m aus n Codes |
WO2013032156A1 (en) | 2011-08-30 | 2013-03-07 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting and receiving information in a broadcasting/communication system |
KR101922555B1 (ko) * | 2011-08-30 | 2018-11-28 | 삼성전자주식회사 | 방송/통신시스템에서 정보 송수신 방법 및 장치 |
US8972834B2 (en) * | 2012-08-28 | 2015-03-03 | Hughes Network Systems, Llc | System and method for communicating with low density parity check codes |
RU2522299C1 (ru) * | 2013-01-11 | 2014-07-10 | Государственное казенное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) | Способ и устройство помехоустойчивого декодирования сигналов, полученных с использованием кода проверки на четность с низкой плотностью |
US9294131B2 (en) | 2013-02-10 | 2016-03-22 | Hughes Network Systems, Llc | Apparatus and method for improved modulation and coding schemes for broadband satellite communications systems |
US9246634B2 (en) | 2013-02-10 | 2016-01-26 | Hughes Network Systems, Llc | Apparatus and method for improved modulation and coding schemes for broadband satellite communications systems |
US8887024B2 (en) | 2013-02-10 | 2014-11-11 | Hughes Network Systems, Llc | Apparatus and method for improved modulation and coding schemes for broadband satellite communications systems |
EP2974037B1 (en) | 2013-03-15 | 2018-10-03 | Hughes Network Systems, LLC | Low density parity check (ldpc) encoding and decoding for small terminal applications |
CA2908075C (en) * | 2013-05-07 | 2018-09-04 | Huawei Technologies Co., Ltd. | Coding and decoding method, device and system |
WO2015041475A1 (ko) * | 2013-09-17 | 2015-03-26 | 삼성전자 주식회사 | 송신 장치 및 그의 펑처링 방법 |
WO2015041481A1 (en) | 2013-09-18 | 2015-03-26 | Samsung Electronics Co., Ltd. | Transmitter and zero bits padding method thereof |
CN104518846B (zh) * | 2013-09-29 | 2018-02-13 | 中国科学院上海高等研究院 | 基于bch码与长ldpc码级联的信令编码方法及系统 |
KR101776275B1 (ko) | 2014-02-19 | 2017-09-07 | 삼성전자주식회사 | 송신 장치 및 그의 인터리빙 방법 |
US9602137B2 (en) | 2014-02-19 | 2017-03-21 | Samsung Electronics Co., Ltd. | Transmitting apparatus and interleaving method thereof |
KR101775704B1 (ko) | 2014-05-21 | 2017-09-19 | 삼성전자주식회사 | 송신 장치 및 그의 인터리빙 방법 |
US9780808B2 (en) | 2014-05-21 | 2017-10-03 | Samsung Electronics Co., Ltd. | Transmitter apparatus and bit interleaving method thereof |
KR101775703B1 (ko) | 2014-05-21 | 2017-09-06 | 삼성전자주식회사 | 송신 장치 및 그의 인터리빙 방법 |
US9602245B2 (en) * | 2014-05-21 | 2017-03-21 | Samsung Electronics Co., Ltd. | Transmitting apparatus and interleaving method thereof |
US9800269B2 (en) | 2014-05-21 | 2017-10-24 | Samsung Electronics Co., Ltd. | Transmitting apparatus and interleaving method thereof |
KR101785692B1 (ko) | 2014-05-21 | 2017-10-16 | 삼성전자주식회사 | 송신 장치 및 그의 인터리빙 방법 |
WO2016140515A1 (en) | 2015-03-02 | 2016-09-09 | Samsung Electronics Co., Ltd. | Transmitter and parity permutation method thereof |
KR101800415B1 (ko) | 2015-03-02 | 2017-11-23 | 삼성전자주식회사 | 송신 장치 및 그의 패리티 퍼뮤테이션 방법 |
CN106685586B (zh) * | 2015-11-11 | 2020-02-14 | 华为技术有限公司 | 生成用于在信道中传输的低密度奇偶校验码的方法及设备 |
US10784901B2 (en) | 2015-11-12 | 2020-09-22 | Qualcomm Incorporated | Puncturing for structured low density parity check (LDPC) codes |
US11043966B2 (en) | 2016-05-11 | 2021-06-22 | Qualcomm Incorporated | Methods and apparatus for efficiently generating multiple lifted low-density parity-check (LDPC) codes |
US10454499B2 (en) | 2016-05-12 | 2019-10-22 | Qualcomm Incorporated | Enhanced puncturing and low-density parity-check (LDPC) code structure |
US9917675B2 (en) | 2016-06-01 | 2018-03-13 | Qualcomm Incorporated | Enhanced polar code constructions by strategic placement of CRC bits |
US10313057B2 (en) | 2016-06-01 | 2019-06-04 | Qualcomm Incorporated | Error detection in wireless communications using sectional redundancy check information |
US10469104B2 (en) | 2016-06-14 | 2019-11-05 | Qualcomm Incorporated | Methods and apparatus for compactly describing lifted low-density parity-check (LDPC) codes |
SG11201810437XA (en) | 2016-07-27 | 2019-02-27 | Qualcomm Inc | Design of hybrid automatic repeat request (harq) feedback bits for polar codes |
US10601544B2 (en) | 2017-02-06 | 2020-03-24 | Mediatek Inc. | Method and apparatus for communication |
CN116073953B (zh) * | 2017-03-23 | 2024-10-29 | 高通股份有限公司 | 针对极性编码的奇偶校验比特信道指派 |
US10312939B2 (en) | 2017-06-10 | 2019-06-04 | Qualcomm Incorporated | Communication techniques involving pairwise orthogonality of adjacent rows in LPDC code |
SG11201911638SA (en) | 2017-07-07 | 2020-02-27 | Qualcomm Inc | Communication techniques applying low-density parity-check code base graph selection |
WO2020022539A1 (ko) * | 2018-07-27 | 2020-01-30 | 엘지전자 주식회사 | Ldpc코드의 인코딩 및 디코딩을 수행하는 방법과 이를 위한 통신 장치 |
CN110311755B (zh) | 2019-06-25 | 2020-09-22 | 中山大学 | 一种利用线性分组码传输额外信息的方法 |
KR20220022801A (ko) | 2020-08-19 | 2022-02-28 | 삼성전자주식회사 | 무선 통신 시스템에서 신호를 복호하는 방법 및 장치 |
KR102656075B1 (ko) * | 2023-06-20 | 2024-04-08 | 성균관대학교산학협력단 | 단일 심볼 오류 정정 및 이중 비트 오류 정정을 위한 부호 생성 방법, 이를 위한 오류 정정 부호 생성 장치 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6633856B2 (en) * | 2001-06-15 | 2003-10-14 | Flarion Technologies, Inc. | Methods and apparatus for decoding LDPC codes |
US7702986B2 (en) * | 2002-11-18 | 2010-04-20 | Qualcomm Incorporated | Rate-compatible LDPC codes |
US7334181B2 (en) * | 2003-09-04 | 2008-02-19 | The Directv Group, Inc. | Method and system for providing short block length low density parity check (LDPC) codes |
US7376883B2 (en) * | 2003-10-27 | 2008-05-20 | The Directv Group, Inc. | Method and system for providing long and short block length low density parity check (LDPC) codes |
KR100918763B1 (ko) | 2003-11-14 | 2009-09-24 | 삼성전자주식회사 | 병렬 연접 저밀도 패리티 검사 부호를 사용하는 채널 부호화/복호 장치 및 방법 |
KR100659266B1 (ko) * | 2004-04-22 | 2006-12-20 | 삼성전자주식회사 | 다양한 코드율을 지원하는 저밀도 패러티 검사 코드에 의한데이터 송수신 시스템, 장치 및 방법 |
AU2005239263B2 (en) * | 2004-04-28 | 2008-12-04 | Samsung Electronics Co., Ltd. | Apparatus and method for coding/decoding block low density parity check code with variable block length |
KR20050118056A (ko) * | 2004-05-12 | 2005-12-15 | 삼성전자주식회사 | 다양한 부호율을 갖는 Block LDPC 부호를 이용한이동 통신 시스템에서의 채널부호화 복호화 방법 및 장치 |
US20050283707A1 (en) * | 2004-06-22 | 2005-12-22 | Eran Sharon | LDPC decoder for decoding a low-density parity check (LDPC) codewords |
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 |
US20060218459A1 (en) * | 2004-08-13 | 2006-09-28 | David Hedberg | Coding systems and methods |
US7689892B2 (en) * | 2004-09-08 | 2010-03-30 | Nokia Corporation | System and method for adaptive low-density parity-check (LDPC) coding |
WO2006039801A1 (en) * | 2004-10-12 | 2006-04-20 | Nortel Networks Limited | System and method for low density parity check encoding of data |
KR100946905B1 (ko) * | 2005-09-27 | 2010-03-09 | 삼성전자주식회사 | 저밀도 패리티 검사 부호를 사용하는 통신 시스템에서 신호 송수신 장치 및 방법 |
US7661037B2 (en) * | 2005-10-27 | 2010-02-09 | Samsung Electronics Co., Ltd. | LDPC concatenation rules for IEEE 802.11n systems |
US7707479B2 (en) * | 2005-12-13 | 2010-04-27 | Samsung Electronics Co., Ltd. | Method of generating structured irregular low density parity checkcodes for wireless systems |
US7631246B2 (en) * | 2006-01-09 | 2009-12-08 | Broadcom Corporation | LDPC (low density parity check) code size adjustment by shortening and puncturing |
US7664008B2 (en) * | 2006-07-05 | 2010-02-16 | Nokia Corporation | Apparatus, method and computer program product providing low-density parity-check block length selection |
EP2381582B1 (en) * | 2007-12-06 | 2013-04-10 | Samsung Electronics Co., Ltd. | Method and apparatus for channel encoding in a communication system using low-density parity-check codes |
KR101503059B1 (ko) * | 2008-02-26 | 2015-03-19 | 삼성전자주식회사 | 저밀도 패리티 검사 부호를 사용하는 통신 시스템에서 채널 부호/복호 방법 및 장치 |
-
2008
- 2008-12-08 EP EP11174714.3A patent/EP2381582B1/en active Active
- 2008-12-08 PL PL11174714T patent/PL2381582T3/pl unknown
- 2008-12-08 WO PCT/KR2008/007249 patent/WO2009072854A1/en active Application Filing
- 2008-12-08 EP EP10169986.6A patent/EP2239854B9/en active Active
- 2008-12-08 US US12/329,728 patent/US8166367B2/en active Active
- 2008-12-08 JP JP2010536858A patent/JP5302972B2/ja active Active
- 2008-12-08 PL PL08021308T patent/PL2068449T3/pl unknown
- 2008-12-08 EP EP08021308A patent/EP2068449B1/en active Active
- 2008-12-08 AU AU2008332040A patent/AU2008332040B2/en active Active
- 2008-12-08 CN CN2008801193396A patent/CN101889398B/zh active Active
- 2008-12-08 EP EP11174715.0A patent/EP2381583B9/en active Active
- 2008-12-08 PL PL11174715T patent/PL2381583T3/pl unknown
- 2008-12-08 PL PL10169986T patent/PL2239854T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
JP2011507329A (ja) | 2011-03-03 |
US8166367B2 (en) | 2012-04-24 |
PL2239854T3 (pl) | 2013-03-29 |
AU2008332040A1 (en) | 2009-06-11 |
EP2239854A1 (en) | 2010-10-13 |
EP2068449A2 (en) | 2009-06-10 |
WO2009072854A1 (en) | 2009-06-11 |
EP2381583A1 (en) | 2011-10-26 |
US20090158129A1 (en) | 2009-06-18 |
PL2381583T3 (pl) | 2013-09-30 |
EP2068449B1 (en) | 2012-01-11 |
CN101889398A (zh) | 2010-11-17 |
EP2381583B9 (en) | 2015-02-18 |
EP2068449A3 (en) | 2009-08-05 |
JP5302972B2 (ja) | 2013-10-02 |
AU2008332040B2 (en) | 2012-04-05 |
EP2239854B9 (en) | 2015-02-18 |
EP2381582B1 (en) | 2013-04-10 |
EP2239854B1 (en) | 2012-10-17 |
EP2381582A1 (en) | 2011-10-26 |
PL2068449T3 (pl) | 2012-06-29 |
EP2381583B1 (en) | 2013-04-03 |
CN101889398B (zh) | 2013-10-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PL2381582T3 (pl) | Sposób i urządzenie do kodowania kanałowego w systemie telekomunikacyjnym z wykorzystaniem kodów kontroli parzystości o niskiej gęstości | |
SG10201401195QA (en) | Method and apparatus for channel encoding and decoding in a communication system using low-density parity-check codes | |
SG10201401192SA (en) | Method and apparatus for channel encoding and decoding in a communication system using low-density parity-check codes | |
PL2093887T3 (pl) | Urządzenie do kodowania i dekodowania kanału w systemie komunikacyjnym z wykorzystaniem kodów kontroli bitów parzystości o niskiej gęstości | |
SG10201400710UA (en) | Method and apparatus for channel encoding and decoding in a communication system using low-density parity-check codes | |
SI2093887T1 (sl) | Naprava in postopek za kodiranje in dekodiranje kanala v komunikacijskem sistemu z uporabo paritetnih kod z nizko gostoto | |
PL2099135T3 (pl) | Urządzenie i sposób kodowania i dekodowania kanałowego w systemie komunikacyjnym wykorzystującym kody sprawdzania parzystości o niskiej gęstości | |
EP2510623A4 (en) | METHOD AND DEVICE FOR CHANNEL ENCRYPTION AND ENCODING IN A COMMUNICATION SYSTEM WITH A PARITY CHECK CODE OF LOW DENSITY | |
EP2569866A4 (en) | APPARATUS AND METHOD FOR HIERARCHICAL DECODING IN A COMMUNICATION SYSTEM USING LOW DENSITY PARITY CHECK CODES |