GB2407945B - Cyclic redundancy check for error correcting codes with minimal code rate loss - Google Patents
Cyclic redundancy check for error correcting codes with minimal code rate lossInfo
- Publication number
- GB2407945B GB2407945B GB0324925A GB0324925A GB2407945B GB 2407945 B GB2407945 B GB 2407945B GB 0324925 A GB0324925 A GB 0324925A GB 0324925 A GB0324925 A GB 0324925A GB 2407945 B GB2407945 B GB 2407945B
- Authority
- GB
- United Kingdom
- Prior art keywords
- code rate
- cyclic redundancy
- redundancy check
- error correcting
- correcting codes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 125000004122 cyclic group Chemical group 0.000 title 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
- H03M13/29—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
- H03M13/2957—Turbo codes and decoding
- H03M13/2975—Judging correct decoding, e.g. iteration stopping criteria
-
- H03M13/005—
-
- 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
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
-
- 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
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
- H03M13/098—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit using single parity bit
-
- 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
- H03M13/2957—Turbo codes and decoding
-
- 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
- H03M13/27—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 using interleaving techniques
- H03M13/2742—Irregular interleaver wherein the permutation pattern is not obtained by a computation rule, e.g. interleaver based on random generators
- H03M13/2746—S-random interleaver
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0324925A GB2407945B (en) | 2003-10-25 | 2003-10-25 | Cyclic redundancy check for error correcting codes with minimal code rate loss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0324925A GB2407945B (en) | 2003-10-25 | 2003-10-25 | Cyclic redundancy check for error correcting codes with minimal code rate loss |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0324925D0 GB0324925D0 (en) | 2003-11-26 |
GB2407945A GB2407945A (en) | 2005-05-11 |
GB2407945B true GB2407945B (en) | 2006-04-19 |
Family
ID=29595821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0324925A Expired - Fee Related GB2407945B (en) | 2003-10-25 | 2003-10-25 | Cyclic redundancy check for error correcting codes with minimal code rate loss |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2407945B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2890806B1 (en) * | 2005-09-09 | 2008-02-22 | Thales Sa | METHOD FOR IMPROVING ITERATIVE CODE DECODING |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030079170A1 (en) * | 2001-10-22 | 2003-04-24 | Stewart Kenneth A. | Block puncturing for turbo code based incremental redundancy |
US20030126551A1 (en) * | 1999-12-20 | 2003-07-03 | Ramesh Mantha | Hybrid automatic repeat request system and method |
-
2003
- 2003-10-25 GB GB0324925A patent/GB2407945B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030126551A1 (en) * | 1999-12-20 | 2003-07-03 | Ramesh Mantha | Hybrid automatic repeat request system and method |
US20030079170A1 (en) * | 2001-10-22 | 2003-04-24 | Stewart Kenneth A. | Block puncturing for turbo code based incremental redundancy |
Also Published As
Publication number | Publication date |
---|---|
GB0324925D0 (en) | 2003-11-26 |
GB2407945A (en) | 2005-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20081025 |