JPS5785149A - Error correcting code system - Google Patents
Error correcting code systemInfo
- Publication number
- JPS5785149A JPS5785149A JP55163102A JP16310280A JPS5785149A JP S5785149 A JPS5785149 A JP S5785149A JP 55163102 A JP55163102 A JP 55163102A JP 16310280 A JP16310280 A JP 16310280A JP S5785149 A JPS5785149 A JP S5785149A
- Authority
- JP
- Japan
- Prior art keywords
- parities
- encoder
- inputted
- error correcting
- generated
- 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.)
- Pending
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
- H03M13/29—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
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Detection And Correction Of Errors (AREA)
- Error Detection And Correction (AREA)
Abstract
PURPOSE:To generate a code having extremely large error correcting capacity, by using double interleave and installing 4 parities. CONSTITUTION:An encoder 1 of an interleave means 14 installs parities P', Q' so as to become a Hamming distance 3, and to this encoder 1, information words Wn, Wn' and parities Pn, Qn generated by an encoder 6 of an interleave means 15 are inputted. Wn, Wn' and Pn, Qn pass through delay elements 2-5, and after that, are inputted to the encoder 6, and parities P, Q are generated. Also, the outputs of the elements 2, 3 and the encoders 1, 6 are inputted to delay elements 7-12 of an interleave means 16, and the outputs of these elements 7- 12 are inputted to a CRCC (cyclic redundancy check code) generator 13. In such an encoding method, for instance, when a correction by P and Q sequence is executed at first, and then the correction by P' and Q' is executed, a code having octuple error correcting capacity is generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55163102A JPS5785149A (en) | 1980-11-18 | 1980-11-18 | Error correcting code system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55163102A JPS5785149A (en) | 1980-11-18 | 1980-11-18 | Error correcting code system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5785149A true JPS5785149A (en) | 1982-05-27 |
Family
ID=15767204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55163102A Pending JPS5785149A (en) | 1980-11-18 | 1980-11-18 | Error correcting code system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5785149A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6539512B1 (en) | 1998-08-04 | 2003-03-25 | Samsung Electronics Co., Ltd. | Interleaving method and circuit for high density recording medium |
-
1980
- 1980-11-18 JP JP55163102A patent/JPS5785149A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6539512B1 (en) | 1998-08-04 | 2003-03-25 | Samsung Electronics Co., Ltd. | Interleaving method and circuit for high density recording medium |
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