KR20000045642A - 유클리드 거리와 해밍 거리를 이용한 심볼 사상 방법 및 장치 - Google Patents
유클리드 거리와 해밍 거리를 이용한 심볼 사상 방법 및 장치 Download PDFInfo
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- KR20000045642A KR20000045642A KR1019980062209A KR19980062209A KR20000045642A KR 20000045642 A KR20000045642 A KR 20000045642A KR 1019980062209 A KR1019980062209 A KR 1019980062209A KR 19980062209 A KR19980062209 A KR 19980062209A KR 20000045642 A KR20000045642 A KR 20000045642A
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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
- H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
- H03M13/256—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with trellis coding, e.g. with convolutional codes and TCM
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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
- H03M13/13—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
- H03M13/1525—Determination and particular use of error location polynomials
- H03M13/1535—Determination and particular use of error location polynomials using the Euclid algorithm
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- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
Abstract
Description
Claims (6)
- m+1개의 부호화된 신호들과 상기 부호화된 신호 이외의 n-m(단, m은 n보다 작은 정수)개의 입력 정보비트를 심볼사상하여 하나의 출력신호를 전송하는 심볼 사상방법에 있어서,상기 입력 정보비트 신호들과 상기 부호화된 신호들이 포함된 입력신호들을 적어도 두 개 이상 부분셋으로 셋분할하는 단계와,상기 셋분할된 각 부분셋 내에서 인접한 신호좌의 비트차가 최소가 되도록 입력신호들을 할당하는 단계를 포함하는 것을 특징으로 하는 유클리드 거리와 해밍 거리를 이용한 심볼 사상 방법.
- 제 1 항에 있어서,상기 셋분할하는 단계는 각각 우수 번째와 기수 번째의 신호좌들로 셋분할하는 것을 특징으로 하는 유클리드 거리와 해밍 거리를 이용한 심볼 사상 방법.
- 제 1 항에 있어서,상기 입력신호들을 할당하는 단계는 1차 셋분할에 의해 분할된 부분셋 내에서 수행되는 것을 특징으로 하는 유클리드 거리와 해밍 거리를 이용한 심볼 사상 방법.
- m+1개의 부호화된 신호들과 상기 부호화된 신호 이외의 n-m(단, m은 n보다 작은 정수)개의 입력 정보비트를 심볼사상하여 하나의 출력신호를 전송하는 심볼 사상장치에 있어서,상기 입력 정보비트 신호들과 상기 부호화된 신호들이 포함된 입력신호들을적어도 두 개 이상 부분셋으로 셋분할하고, 상기 셋분할된 각 부분셋 내에서 인접한 신호좌의 비트차가 최소가 되도록 입력신호들을 할당하기 위한 심볼사상수단을 구비하는 것을 특징으로 하는 유클리드 거리와 해밍 거리를 이용한 심볼 사상 장치.
- 제 4 항에 있어서,상기 심볼사상수단은 각각 우수번째와 기수번째의 신호좌들로 셋분할하는 것을 특징으로 하는 유클리드 거리와 해밍 거리를 이용한 심볼 사상 장치.
- 제 4 항에 있어서,상기 심볼사상수단은 1차 셋분할에 의해 분할된 부분셋 내에서 인접한 신호좌의 비트차가 최소가 되도록 입력신호들을 할당하는 것을 특징으로 하는 유클리드 거리와 해밍 거리를 이용한 심볼 사상 장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980062209A KR100320953B1 (ko) | 1998-12-30 | 1998-12-30 | 유클리드거리와해밍거리를이용한tcm심볼사상방법및장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980062209A KR100320953B1 (ko) | 1998-12-30 | 1998-12-30 | 유클리드거리와해밍거리를이용한tcm심볼사상방법및장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000045642A true KR20000045642A (ko) | 2000-07-25 |
| KR100320953B1 KR100320953B1 (ko) | 2002-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980062209A Expired - Fee Related KR100320953B1 (ko) | 1998-12-30 | 1998-12-30 | 유클리드거리와해밍거리를이용한tcm심볼사상방법및장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100320953B1 (ko) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04155674A (ja) * | 1990-10-19 | 1992-05-28 | Fujitsu Ltd | 磁気記録再生装置 |
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1998
- 1998-12-30 KR KR1019980062209A patent/KR100320953B1/ko not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| KR100320953B1 (ko) | 2002-07-03 |
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