GB2346522B - Method and apparatus for demapping data - Google Patents
Method and apparatus for demapping dataInfo
- Publication number
- GB2346522B GB2346522B GB9930694A GB9930694A GB2346522B GB 2346522 B GB2346522 B GB 2346522B GB 9930694 A GB9930694 A GB 9930694A GB 9930694 A GB9930694 A GB 9930694A GB 2346522 B GB2346522 B GB 2346522B
- Authority
- GB
- United Kingdom
- Prior art keywords
- demapping data
- demapping
- data
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980058901A KR100556467B1 (en) | 1998-12-26 | 1998-12-26 | Method and apparatus for demapping |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9930694D0 GB9930694D0 (en) | 2000-02-16 |
GB2346522A GB2346522A (en) | 2000-08-09 |
GB2346522B true GB2346522B (en) | 2001-02-14 |
Family
ID=19565904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9930694A Expired - Fee Related GB2346522B (en) | 1998-12-26 | 1999-12-24 | Method and apparatus for demapping data |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR100556467B1 (en) |
DE (1) | DE19962162B4 (en) |
GB (1) | GB2346522B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004025826A1 (en) | 2004-05-24 | 2005-12-22 | Micronas Gmbh | Method for recovering a bit sequence from QPSK or QAM symbols |
KR100783807B1 (en) | 2006-05-15 | 2007-12-10 | 삼성전자주식회사 | Method of dcm demapping and dcm demapper using the same |
KR20080105355A (en) * | 2007-05-30 | 2008-12-04 | 엘지전자 주식회사 | Method for signal transmitting and apparatus for the same, method for signal receiving and apparatus for the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5519356A (en) * | 1995-02-13 | 1996-05-21 | National Semiconductor Corporation | Methods and apparatuses for fast decision directed carrier recovery with wide locking range |
US5742643A (en) * | 1994-11-22 | 1998-04-21 | Mikros Systems Corporation | Quantizing and decoding of phase-amplitude modulated signals in hexagonal code |
GB2334862A (en) * | 1998-02-27 | 1999-09-01 | Daewoo Electronics Co Ltd | Mapping symbol points in a quadrature amplitude modulation |
GB2340353A (en) * | 1998-05-09 | 2000-02-16 | Lg Electronics Inc | Method and device for demapping digital video data |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4742533A (en) * | 1987-01-02 | 1988-05-03 | Motorola, Inc. | Soft decision digital communication apparatus |
KR0122749B1 (en) * | 1993-12-28 | 1997-11-17 | 배순훈 | Soft decision method using adaptive quantization |
-
1998
- 1998-12-26 KR KR1019980058901A patent/KR100556467B1/en not_active IP Right Cessation
-
1999
- 1999-12-22 DE DE19962162.4A patent/DE19962162B4/en not_active Expired - Fee Related
- 1999-12-24 GB GB9930694A patent/GB2346522B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5742643A (en) * | 1994-11-22 | 1998-04-21 | Mikros Systems Corporation | Quantizing and decoding of phase-amplitude modulated signals in hexagonal code |
US5519356A (en) * | 1995-02-13 | 1996-05-21 | National Semiconductor Corporation | Methods and apparatuses for fast decision directed carrier recovery with wide locking range |
GB2334862A (en) * | 1998-02-27 | 1999-09-01 | Daewoo Electronics Co Ltd | Mapping symbol points in a quadrature amplitude modulation |
GB2340353A (en) * | 1998-05-09 | 2000-02-16 | Lg Electronics Inc | Method and device for demapping digital video data |
Also Published As
Publication number | Publication date |
---|---|
DE19962162A1 (en) | 2000-07-06 |
KR100556467B1 (en) | 2006-05-25 |
GB2346522A (en) | 2000-08-09 |
GB9930694D0 (en) | 2000-02-16 |
DE19962162B4 (en) | 2017-08-03 |
KR20000042651A (en) | 2000-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20171224 |