CY1123813T1 - Μεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας - Google Patents
Μεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτηταςInfo
- Publication number
- CY1123813T1 CY1123813T1 CY20211100078T CY211100078T CY1123813T1 CY 1123813 T1 CY1123813 T1 CY 1123813T1 CY 20211100078 T CY20211100078 T CY 20211100078T CY 211100078 T CY211100078 T CY 211100078T CY 1123813 T1 CY1123813 T1 CY 1123813T1
- Authority
- CY
- Cyprus
- Prior art keywords
- punched
- parity
- parity bit
- channel
- arrangement
- Prior art date
Links
Classifications
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- 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
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- 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
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- 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]
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- 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
- H03M13/1188—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 wherein in the part with the double-diagonal at least one column has an odd column weight equal or greater than three
-
- 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
- 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
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- 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
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
- H04L1/0069—Puncturing patterns
Abstract
Μέθοδος και διάταξη για αποκωδίκευση καναλιού με χρήση κώδικα Εξελέγχου Ισοτιμίας Χαμηλής Πυκνότητας (LDPC), όπου η μέθοδος περιλαμβάνει: αποδιαμόρφωση σήματος που μεταδίδεται από πομπό• προσδιορισμό πληροφορίας θέσης των διατρημένων δυφίων ισοτιμίας με εκτίμηση πληροφοριών που αφορούν σε προκαθορισμένη σειρά συνόλων δυφίων ισοτιμίας που πρόκειται να υποστούν διάτρηση και του αριθμού συνόλων δυφίων ισοτιμίας, και αποκωδίκευση δεδομένων με χρήση της πληροφορίας θέσης των διατρημένων δυφίων ισοτιμίας• όπου ο προσδιορισμός θέσης διατρημένων δυφίων ισοτιμίας περιλαμβάνει, προσδιορισμό αριθμού δυφίων ισοτιμίας που πρόκειται να υποστούν διάτρηση, και προσδιορισμό αριθμού συνόλων δυφίων ισοτιμίας που πρόκειται να υποστούν διάτρηση με βάση τον προσδιορισμένο αριθμό δυφίων ισοτιμίας που πρόκειται να υποστούν διάτρηση, και λήψη προκαθορισμένης σειράς συνόλων δυφίων ισοτιμίας, όπου η προκαθορισμένη σειρά συνόλων δυφίων ισοτιμίας προσδιορίζεται ως 6, 4, 18, 9, 13, 8, 15, 20, 5, 17, 2, 24, 10, 22, 12, 3, 16, 23, 1, 14, 0, 21, 19, 7, 11.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR20080012392 | 2008-02-11 | ||
KR1020080023846A KR101502623B1 (ko) | 2008-02-11 | 2008-03-14 | 저밀도 패리티 검사 부호를 사용하는 통신 시스템에서 채널부호/복호 방법 및 장치 |
EP09152538.6A EP2088678B1 (en) | 2008-02-11 | 2009-02-11 | Method and apparatus for channel encoding and decoding in a communication system using low-density parity-check codes |
Publications (1)
Publication Number | Publication Date |
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CY1123813T1 true CY1123813T1 (el) | 2022-05-27 |
Family
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Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
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CY20211100078T CY1123813T1 (el) | 2008-02-11 | 2021-02-01 | Μεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας |
CY20211100434T CY1124167T1 (el) | 2008-02-11 | 2021-05-19 | Μεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας |
CY20211100448T CY1124321T1 (el) | 2008-02-11 | 2021-05-24 | Mεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας |
CY20211100447T CY1124318T1 (el) | 2008-02-11 | 2021-05-24 | Mεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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CY20211100434T CY1124167T1 (el) | 2008-02-11 | 2021-05-19 | Μεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας |
CY20211100448T CY1124321T1 (el) | 2008-02-11 | 2021-05-24 | Mεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας |
CY20211100447T CY1124318T1 (el) | 2008-02-11 | 2021-05-24 | Mεθοδος και διαταξη για εγκωδικευση και αποκωδικευση καναλιου σε συστημα επικοινωνιας που χρησιμοποιει κωδικες εξελεγχου ισοτιμιας χαμηλης πυκνοτητας |
Country Status (20)
Country | Link |
---|---|
US (1) | US8286065B2 (el) |
EP (6) | EP2557694B1 (el) |
JP (2) | JP5506099B2 (el) |
KR (1) | KR101502623B1 (el) |
CN (2) | CN103281157B (el) |
AU (1) | AU2009213247B2 (el) |
CY (4) | CY1123813T1 (el) |
DK (4) | DK2557694T3 (el) |
ES (4) | ES2871173T3 (el) |
HR (4) | HRP20210167T1 (el) |
HU (4) | HUE052900T2 (el) |
LT (4) | LT2557694T (el) |
MY (2) | MY171996A (el) |
PL (4) | PL2582054T3 (el) |
PT (4) | PT2582054T (el) |
RU (1) | RU2439793C1 (el) |
SG (2) | SG10201400710UA (el) |
SI (4) | SI2557694T1 (el) |
TW (2) | TWI384766B (el) |
WO (1) | WO2009102146A2 (el) |
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KR101865068B1 (ko) * | 2011-03-30 | 2018-06-08 | 삼성전자주식회사 | 저밀도 패리티 검사 부호를 사용하는 시스템에서 신호 맵핑/디맵핑 장치 및 방법 |
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