CN1227857C - 数据再生的方法 - Google Patents
数据再生的方法 Download PDFInfo
- Publication number
- CN1227857C CN1227857C CNB98804479XA CN98804479A CN1227857C CN 1227857 C CN1227857 C CN 1227857C CN B98804479X A CNB98804479X A CN B98804479XA CN 98804479 A CN98804479 A CN 98804479A CN 1227857 C CN1227857 C CN 1227857C
- Authority
- CN
- China
- Prior art keywords
- sampled point
- error rate
- decision threshold
- new
- sampled
- 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
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/048—Speed or phase control by synchronisation signals using the properties of error detecting or error correcting codes, e.g. parity as synchronisation signal
-
- 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
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/063—Setting decision thresholds using feedback techniques only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
- H04L7/0033—Correction by delay
- H04L7/0037—Delay of clock signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19717642A DE19717642A1 (de) | 1997-04-25 | 1997-04-25 | Verfahren zur Datenregeneration |
DE19717642.9 | 1997-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1253684A CN1253684A (zh) | 2000-05-17 |
CN1227857C true CN1227857C (zh) | 2005-11-16 |
Family
ID=7827813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB98804479XA Expired - Fee Related CN1227857C (zh) | 1997-04-25 | 1998-04-08 | 数据再生的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6577696B1 (zh) |
EP (1) | EP0978176B1 (zh) |
CN (1) | CN1227857C (zh) |
BR (1) | BR9808995A (zh) |
DE (2) | DE19717642A1 (zh) |
WO (1) | WO1998049801A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9379811B2 (en) | 2012-04-17 | 2016-06-28 | Huawei Technologies Co., Ltd. | Method and device for optimizing performance of an optical module |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001076437A (ja) * | 1999-09-06 | 2001-03-23 | Victor Co Of Japan Ltd | クロック信号発生装置 |
GB2354412A (en) * | 1999-09-18 | 2001-03-21 | Marconi Comm Ltd | Receiver which optimises detection thresholds in response to the error rates of each data level |
GB0015148D0 (en) * | 2000-06-21 | 2000-08-09 | Secr Defence | Method and apparatus for producing a digital depiction of a signal |
EP1202510A1 (en) * | 2000-10-30 | 2002-05-02 | Lucent Technologies Inc. | Method and apparatus for adjusting the decision threshold at a receiver |
US6715113B1 (en) * | 2000-12-22 | 2004-03-30 | Applied Micro Circuits Corporation | Feedback system and method for optimizing the reception of multidimensional digital frame structure communications |
EP1231748B1 (de) * | 2001-02-09 | 2004-10-06 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur Regelung der Entscheiderschwelle und der Abtasttaktphase eines Datenregenerators für ein binäres Signal |
EP1244246A1 (en) * | 2001-03-19 | 2002-09-25 | Lucent Technologies Inc. | Adjustment of the sampling clock phase in receivers |
DE10121757B4 (de) * | 2001-05-04 | 2006-04-13 | Siemens Ag | Datenregenerator mit einstellbarer Entscheiderschwelle und einstellbarem Abtastzeitpunkt |
US6944804B1 (en) * | 2001-06-06 | 2005-09-13 | Silicon Image, Inc. | System and method for measuring pseudo pixel error rate |
US6973601B2 (en) † | 2001-07-19 | 2005-12-06 | Tyco Telecommunications (Us) Inc. | System and method for automatic optimization of optical communication systems |
SE0102951L (sv) * | 2001-09-03 | 2003-03-04 | Optillion Ab | Optimering av beslutströskel |
DE10156112A1 (de) * | 2001-11-16 | 2003-06-05 | Philips Intellectual Property | Empfangsschaltung zum Empfang von Nachrichtensignalen |
DE10156110A1 (de) * | 2001-11-16 | 2003-05-28 | Philips Corp Intellectual Pty | Empfangsschaltung zum Empfang von Nachrichtensignalen |
DE10156111A1 (de) * | 2001-11-16 | 2003-06-05 | Philips Intellectual Property | Empfangsschaltung zum Empfang von Nachrichtensignalen |
DE60219277T2 (de) | 2002-01-28 | 2008-01-03 | Lucent Technologies Inc. | Einstellung von Entscheidungspegeln und Abtastphase auf der Basis von vorherigen Bit-Werten |
US6918069B2 (en) * | 2002-04-16 | 2005-07-12 | Cisco Technology, Inc. | Optimum threshold for FEC transponders |
CN100397810C (zh) * | 2002-09-30 | 2008-06-25 | 勒克罗伊公司 | 用于比特误差率分析的方法和装置 |
US20040193970A1 (en) * | 2003-03-31 | 2004-09-30 | Casper Dietrich | Receiver system with adjustable sampling and reference levels |
WO2004109957A1 (ja) * | 2003-06-03 | 2004-12-16 | Fujitsu Limited | 光信号受信装置およびその二値化処理用識別点制御方法 |
US20050047537A1 (en) * | 2003-08-29 | 2005-03-03 | Ting-Yuan Cheng | Method and system of signal path tracking |
US8347153B2 (en) * | 2008-10-10 | 2013-01-01 | Teledyne Lecroy, Inc. | Protocol aware error ratio tester |
US8793541B2 (en) | 2008-10-10 | 2014-07-29 | Teledyne Lecroy, Inc. | Link equalization tester |
DE102015111465A1 (de) | 2015-07-15 | 2017-01-19 | Inova Semiconductors Gmbh | Verfahren, Vorrichtung und System zum empfängerseitigen Bestimmen eines Abtastzeitpunkts |
US20240214134A1 (en) * | 2022-12-22 | 2024-06-27 | Nvidia Corporation | Adapting forward error correction (fec) or link parameters for improved post-fec performance |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU509889A1 (ru) | 1974-12-13 | 1976-04-05 | Предприятие П/Я А-3759 | Устройство дл контрол и исправлени ошибок канала магнитной записи-воспроизведени |
SE414104B (sv) | 1978-10-13 | 1980-07-07 | Ellemtel Utvecklings Ab | Digital faslast slinga |
DE3122763A1 (de) * | 1981-06-09 | 1982-12-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur demodulation eines digitaleninformationssignals |
US4570130A (en) * | 1982-10-20 | 1986-02-11 | International Business Machines Corporation | Input controller circuit apparatus for phase lock loop voltage controlled oscillator |
EP0257625B1 (de) | 1986-08-28 | 1991-12-27 | Siemens Aktiengesellschaft | Fangschaltung für die Trägerrückgewinnung aus einem QAM-Signal |
US4930142A (en) * | 1988-12-06 | 1990-05-29 | Stac, Inc. | Digital phase lock loop |
DE4102857A1 (de) | 1991-01-31 | 1992-08-06 | Thomson Brandt Gmbh | Verfahren zum fokussieren eines lichtstrahls |
US5182467A (en) * | 1991-08-22 | 1993-01-26 | Triquint Semiconductor, Inc. | High performance multiplexer for improving bit error rate |
JPH07262704A (ja) * | 1994-03-18 | 1995-10-13 | Hitachi Ltd | ディジタルデータ再生装置 |
-
1997
- 1997-04-25 DE DE19717642A patent/DE19717642A1/de not_active Withdrawn
-
1998
- 1998-04-08 EP EP98930637A patent/EP0978176B1/de not_active Expired - Lifetime
- 1998-04-08 US US09/403,715 patent/US6577696B1/en not_active Expired - Fee Related
- 1998-04-08 WO PCT/DE1998/001015 patent/WO1998049801A1/de active IP Right Grant
- 1998-04-08 BR BR9808995-1A patent/BR9808995A/pt not_active IP Right Cessation
- 1998-04-08 DE DE59811691T patent/DE59811691D1/de not_active Expired - Fee Related
- 1998-04-08 CN CNB98804479XA patent/CN1227857C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9379811B2 (en) | 2012-04-17 | 2016-06-28 | Huawei Technologies Co., Ltd. | Method and device for optimizing performance of an optical module |
Also Published As
Publication number | Publication date |
---|---|
BR9808995A (pt) | 2000-08-08 |
EP0978176A1 (de) | 2000-02-09 |
WO1998049801A1 (de) | 1998-11-05 |
US6577696B1 (en) | 2003-06-10 |
EP0978176B1 (de) | 2004-07-21 |
DE59811691D1 (de) | 2004-08-26 |
CN1253684A (zh) | 2000-05-17 |
DE19717642A1 (de) | 1998-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NOKIA SIEMENS COMMUNICATION CO., LTD. Free format text: FORMER OWNER: SIEMENS AG Effective date: 20080411 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080411 Address after: Munich, Federal Republic of Germany Patentee after: Nokia Siemens Networks GmbH Address before: Munich, Federal Republic of Germany Patentee before: Siemens AG |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20100408 |