DE10194477D2 - Verfahren zur Erzeugung von Soft-Bit-Informationen aus Gray-Codierten Signalen - Google Patents
Verfahren zur Erzeugung von Soft-Bit-Informationen aus Gray-Codierten SignalenInfo
- Publication number
- DE10194477D2 DE10194477D2 DE10194477T DE10194477T DE10194477D2 DE 10194477 D2 DE10194477 D2 DE 10194477D2 DE 10194477 T DE10194477 T DE 10194477T DE 10194477 T DE10194477 T DE 10194477T DE 10194477 D2 DE10194477 D2 DE 10194477D2
- Authority
- DE
- Germany
- Prior art keywords
- gray
- bit information
- coded signals
- generating soft
- soft
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10194477T DE10194477D2 (de) | 2000-10-16 | 2001-10-15 | Verfahren zur Erzeugung von Soft-Bit-Informationen aus Gray-Codierten Signalen |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10051283 | 2000-10-16 | ||
PCT/DE2001/003917 WO2002033919A2 (de) | 2000-10-16 | 2001-10-15 | Verfahren zur erzeugung von soft-bit-informationen aus gray-codierten signalen |
DE10194477T DE10194477D2 (de) | 2000-10-16 | 2001-10-15 | Verfahren zur Erzeugung von Soft-Bit-Informationen aus Gray-Codierten Signalen |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10194477D2 true DE10194477D2 (de) | 2003-10-30 |
Family
ID=7659994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10194477T Expired - Fee Related DE10194477D2 (de) | 2000-10-16 | 2001-10-15 | Verfahren zur Erzeugung von Soft-Bit-Informationen aus Gray-Codierten Signalen |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040096007A1 (de) |
EP (1) | EP1329070A2 (de) |
JP (1) | JP2004512742A (de) |
AU (1) | AU2002218138A1 (de) |
DE (1) | DE10194477D2 (de) |
WO (1) | WO2002033919A2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030017886A (ko) * | 2001-08-23 | 2003-03-04 | 한국전자통신연구원 | 비트 단위 복호를 위한 소프트 비트 값 산출 방법 및 이방법을 사용하는 통신 시스템 |
DE10260348A1 (de) * | 2002-12-20 | 2004-07-15 | Ingenieurbüro Ludwig Schäffler | Verfahren und Vorrichtung zum Soft-Decodieren einer Folge von Nutzdaten-Bits, Signalempfangs- und -decodiereinrichtung und Telekomunikationseinreinrichtung |
US7580480B2 (en) * | 2003-06-23 | 2009-08-25 | Hong-seok Seo | Demodulation method using soft decision for quadrature amplitude modulation and apparatus thereof |
US7154966B2 (en) | 2003-06-30 | 2006-12-26 | Telefonaktiebolaget L M Ericsson (Publ) | Method and system for M-QAM detection in communication systems |
US7502426B2 (en) * | 2003-09-09 | 2009-03-10 | Interdigital Technology Corporation | Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals |
US20060029162A1 (en) * | 2004-08-06 | 2006-02-09 | Stmicroelectronics, Inc. | Modular multi-bit symbol demapper |
TWI387274B (zh) * | 2005-12-07 | 2013-02-21 | Hong-Seok Seo | 使用軟性決策用於正交振幅調變之調解變方法及其裝置 |
US7844879B2 (en) * | 2006-01-20 | 2010-11-30 | Marvell World Trade Ltd. | Method and system for error correction in flash memory |
US7912140B2 (en) * | 2007-03-26 | 2011-03-22 | Lantiq Israel Ltd. | Reducing computational complexity in maximum likelihood MIMO OFDM decoder |
US8340202B2 (en) | 2010-03-11 | 2012-12-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for efficient soft modulation for gray-mapped QAM symbols |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6078626A (en) * | 1997-09-24 | 2000-06-20 | Ericsson Inc. | Methods and systems for communicating information using separable modulation constellations |
DE19912825C1 (de) * | 1999-03-22 | 2000-08-10 | Siemens Ag | Verfahren, Empfangseinrichtung und Funkstation zum Detektieren eines Datensymbols |
US6977972B1 (en) * | 2000-07-12 | 2005-12-20 | Sharp Laboratories Of America, Inc. | Method of hybrid soft/hard decision demodulation of signals with multilevel modulation |
MXPA02009140A (es) * | 2001-01-16 | 2005-07-01 | Koninkl Philips Electronics Nv | Trazo de un mapa de una modulacion codificada con interhoja de bit (bicm). |
-
2001
- 2001-10-15 EP EP01987987A patent/EP1329070A2/de not_active Ceased
- 2001-10-15 AU AU2002218138A patent/AU2002218138A1/en not_active Abandoned
- 2001-10-15 WO PCT/DE2001/003917 patent/WO2002033919A2/de not_active Application Discontinuation
- 2001-10-15 DE DE10194477T patent/DE10194477D2/de not_active Expired - Fee Related
- 2001-10-15 JP JP2002536794A patent/JP2004512742A/ja not_active Withdrawn
- 2001-10-15 US US10/399,184 patent/US20040096007A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2002218138A1 (en) | 2002-04-29 |
WO2002033919A2 (de) | 2002-04-25 |
US20040096007A1 (en) | 2004-05-20 |
EP1329070A2 (de) | 2003-07-23 |
JP2004512742A (ja) | 2004-04-22 |
WO2002033919A3 (de) | 2002-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law |
Ref document number: 10194477 Country of ref document: DE Date of ref document: 20031030 Kind code of ref document: P |
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8139 | Disposal/non-payment of the annual fee |