HRP20210167T1 - Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu korištenjem koda za provjeru pariteta niske gustoće - Google Patents
Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu korištenjem koda za provjeru pariteta niske gustoće Download PDFInfo
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- HRP20210167T1 HRP20210167T1 HRP20210167TT HRP20210167T HRP20210167T1 HR P20210167 T1 HRP20210167 T1 HR P20210167T1 HR P20210167T T HRP20210167T T HR P20210167TT HR P20210167 T HRP20210167 T HR P20210167T HR P20210167 T1 HRP20210167 T1 HR P20210167T1
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- parity
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- 238000000034 method Methods 0.000 title claims 7
- 239000011159 matrix material Substances 0.000 claims 6
- 238000004080 punching Methods 0.000 claims 3
- 230000035515 penetration Effects 0.000 claims 2
- 230000015556 catabolic process Effects 0.000 claims 1
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
-
- 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
- H03M13/03—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
-
- 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
Claims (6)
1. Postupak za dekodiranje podataka u prijamniku u sustavu za emitiranje, koji se sastoji od:
demodulacije prijamnog signala, koji signal uključuje podatke koda za provjeru pariteta niske gustoće, LDPC, pri čemu se LDPC kod dobiva LDPC kodiranjem pomoću matrice provjere pariteta unaprijed određene strukture, koja struktura je jednaka onoj definiranoj u DVBS2 Standardu i ima duljinu N1, dio informacije s duljinom informacije K1, i paritetni dio s paritetom duljine (N1-K1), koji postupak se dalje sastoji od:
određivanja uzorka probijanja iz demoduliranog signala; i
određivanja podataka o položaju za izbušene bitove pariteta temeljem uzorka probijanja; i
podataka LDPC-dekodiranja u demoduliranom signalu temeljem podataka o položaju,
naznačen time da
se obrazac probijanja određuje temeljem brzine koda K1IN1 od LDPC koda povezanog s navedenom matricom provjere pariteta,
informacije o položaju za probijene bitove povezane su s m skupova bitova pariteta od q bitova paritetnih, pri čemu su q bitovi paritetnog bita definirani kao:
[image]
gdje
Pj označava j-ti bit paritetnog bita,
pk označava k-ti paritetni bit,
0 ≤ j < q,
[image]
i
M1=360; pri čemu su svi paritetni bitovi m bita paritetnih bitova Pπ(0), Pπ(1), ..., Pπ(m-1) od q bitova paritetnih bitova Pj probijeni,
indeks π(0), ..., π(m-1) određuju obrazac probijanja,
[image]
, Np je broj punktiranih bitova pariteta,
gdje je brzina koda K1IN1 = 1/5, N1 = 16200, K1 = 3240, i q=36, i obrazac probijanja je definiran sljedećom tablicom:
[image]
2. Postupak temeljem zahtjeva 1, naznačen time da se (Np-360m) bitovi između bitova pariteta koji odgovaraju Pπ(m) dodatno probijaju.
3. Uređaj podešen za dekodiranje podataka u sustavu za emitiranje, koji aparat se sastoji od:
demodulatora podešenog za demodulaciju primljenog signala, signal uključuje podatke koda za provjeru pariteta niske gustoće, LDPC kodne riječi, pri čemu se LDPC kodna riječ dobiva LDPC kodiranjem pomoću matrice provjere pariteta unaprijed određene strukture, koja struktura je jednaka onoj definiranoj u DVB-S2 Standardu i ima duljinu N1, informativni dio s informacijskom duljinom K1, i paritetni dio s duljinom paritetom (N1-K1),
jedinice za odlučivanje o uzorku probijanja podešene da:
određuje obrazac probijanja iz demoduliranog signala; i
određuje informacije o položaju za izbušene bitove pariteta temeljem uzorka probijanja; i
LDPC-dekodera podešenog za dekodiranje LDPC podataka u demoduliranom signalu temeljem informacije o položaju, i
naznačen time da
obrazac probijanja se određuje temeljem brzine koda K1IN1 LDPC koda povezanog s navedenom matricom provjere pariteta,
informacije za položaju za probijene bitove pariteta povezana su s m skupova bitova pariteta od q skupova paritetnih bitova, pri čemu su q bitovi paritetnih bitova definirani kao:
[image]
gdje
Pj označava j-ti bit paritetnog bita,
pk označava k-ti paritetni bit,
0 ≤ j < q,
[image]
i
M1=360; pri čemu su svi paritetni bitovi m bita paritetnih bitova Pπ(0), Pπ(1), ..., Pπ(m-1) od q bitova paritetnih bitova Pj probijeni,
indeks π(0), ..., π(m-1) određuju obrazac probijanja,
[image]
, Np je broj punktiranih bitova pariteta,
gdje je brzina koda K1IN1 = 1/5, N1 = 16200, K1 = 3240, i q=36, i
obrazac probijanja je definiran sljedećom tablicom:
[image]
4. Uređaj temeljem zahtjeva 3, naznačen time da su (Np-360m) bitovi pariteta između bitova pariteta koji odgovaraju Pπ(m) dodatno probušeni.
5. Postupak za kodiranje podataka u transmiteru u sustavu za emitiranje, koji se sastoji od:
provjere pariteta niske gustoće, LDPC kodiranja podataka za generiranje LDPC koda pomoću matrice provjere pariteta unaprijed određene strukture, koja struktura je jednaka onoj definiranoj u DVBS2 Standardu i ima duljinu N1, dio informacije s informacijskom duljinom K1, i paritetni dio s paritetom duljine (N1-K1), pri čemu su bitovi pariteta paritetnog dijela odvojeni od q bitove paritetnih bitova temeljem sljedeće jednadžbe:
[image]
gdje
Pj označava j-ti bit paritetnog bita,
pk označava k-ti bit pariteta,
0 ≤ j < q,
[image]
i
M1=360;
koji postupak je naznačen time da se dalje sastoji od:
određivanja broja bitova pariteta Np za probijanje;
određivanja broja m skupa bita pariteta u kojem su svi probijeni bitovi pariteta, temeljem broja bitova pariteta za probijanje; i
probijanja svih bitova pariteta m skupova bitova pariteta Pπ(0), Pπ(1), ..., Pπ(m-1) od q skupova paritetnog bita Pj probijeni,
indeks π(0), ..., π(m-1) određuje uzorak probijanja, uzorak probijanja određen je temeljem kodne brzine K1IN1 LDPC koda povezanog s navedenom matricom provjere pariteta,
pri čemu je brzina koda K1IN1 = 1/5, N1 = 16200, K1 = 3240, i q=36, i uzorak probijanja definiran je sljedećom tablicom:
[image]
6. Postupak temeljem zahtjeva 5, naznačen time da nadalje sadrži:
dodatno probijanje (Np-360m) bitova pariteta među bitovima koji odgovaraju Pπ(m).
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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 |
EP12188183.3A EP2579467B1 (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 |
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HRP20210167TT HRP20210167T1 (hr) | 2008-02-11 | 2021-02-01 | Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu korištenjem koda za provjeru pariteta niske gustoće |
HRP20210855TT HRP20210855T1 (hr) | 2008-02-11 | 2021-05-28 | Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu korištenjem koda za provjeru pariteta niske gustoće |
HRP20210856TT HRP20210856T1 (hr) | 2008-02-11 | 2021-05-28 | Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu korištenjem koda za provjeru pariteta niske gustoće |
HRP20210976TT HRP20210976T1 (hr) | 2008-02-11 | 2021-06-18 | Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu pomoću kodova za provjeru parnosti male gustoće |
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HRP20210856TT HRP20210856T1 (hr) | 2008-02-11 | 2021-05-28 | Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu korištenjem koda za provjeru pariteta niske gustoće |
HRP20210976TT HRP20210976T1 (hr) | 2008-02-11 | 2021-06-18 | Postupak i uređaj za kodiranje i dekodiranje kanala u komunikacijskom sustavu pomoću kodova za provjeru parnosti male gustoće |
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US (1) | US8286065B2 (hr) |
EP (6) | EP2557694B1 (hr) |
JP (2) | JP5506099B2 (hr) |
KR (1) | KR101502623B1 (hr) |
CN (2) | CN103281157B (hr) |
AU (1) | AU2009213247B2 (hr) |
CY (4) | CY1123813T1 (hr) |
DK (4) | DK2557694T3 (hr) |
ES (4) | ES2871173T3 (hr) |
HR (4) | HRP20210167T1 (hr) |
HU (4) | HUE052900T2 (hr) |
LT (4) | LT2557694T (hr) |
MY (2) | MY171996A (hr) |
PL (4) | PL2582054T3 (hr) |
PT (4) | PT2582054T (hr) |
RU (1) | RU2439793C1 (hr) |
SG (2) | SG10201400710UA (hr) |
SI (4) | SI2557694T1 (hr) |
TW (2) | TWI384766B (hr) |
WO (1) | WO2009102146A2 (hr) |
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