DE60038149D1 - Adaptive Einstellung von Entscheidungspegeln - Google Patents

Adaptive Einstellung von Entscheidungspegeln

Info

Publication number
DE60038149D1
DE60038149D1 DE60038149T DE60038149T DE60038149D1 DE 60038149 D1 DE60038149 D1 DE 60038149D1 DE 60038149 T DE60038149 T DE 60038149T DE 60038149 T DE60038149 T DE 60038149T DE 60038149 D1 DE60038149 D1 DE 60038149D1
Authority
DE
Germany
Prior art keywords
signals
levels
adaptive setting
decision levels
errors
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 - Lifetime
Application number
DE60038149T
Other languages
English (en)
Other versions
DE60038149T2 (de
Inventor
Andrew James Barker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson AB
Original Assignee
Ericsson AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson AB filed Critical Ericsson AB
Application granted granted Critical
Publication of DE60038149D1 publication Critical patent/DE60038149D1/de
Publication of DE60038149T2 publication Critical patent/DE60038149T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L25/061—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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Dc Digital Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Burglar Alarm Systems (AREA)
  • Feedback Control In General (AREA)
  • Television Systems (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radio Transmission System (AREA)
DE60038149T 1999-09-18 2000-08-02 Adaptive Einstellung von Entscheidungspegeln Expired - Lifetime DE60038149T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9922016A GB2354412A (en) 1999-09-18 1999-09-18 Receiver which optimises detection thresholds in response to the error rates of each data level
GB9922016 1999-09-18

Publications (2)

Publication Number Publication Date
DE60038149D1 true DE60038149D1 (de) 2008-04-10
DE60038149T2 DE60038149T2 (de) 2009-02-19

Family

ID=10861116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038149T Expired - Lifetime DE60038149T2 (de) 1999-09-18 2000-08-02 Adaptive Einstellung von Entscheidungspegeln

Country Status (10)

Country Link
US (1) US6513136B1 (de)
EP (1) EP1085713B1 (de)
JP (1) JP2001144734A (de)
CN (1) CN1289192A (de)
AT (1) ATE387786T1 (de)
AU (1) AU5948100A (de)
DE (1) DE60038149T2 (de)
GB (1) GB2354412A (de)
NO (1) NO20004653L (de)
RU (1) RU2000123760A (de)

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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
GB2371187A (en) * 2001-01-15 2002-07-17 Marconi Comm Ltd Signal slicing circuit with variable threshold levels
DE50103972D1 (de) * 2001-02-09 2004-11-11 Siemens Ag Verfahren und Anordnung zur Regelung der Entscheiderschwelle und der Abtasttaktphase eines Datenregenerators für ein binäres Signal
JP3495715B2 (ja) * 2001-03-01 2004-02-09 株式会社東芝 回線品質監視装置及び回線品質監視方法
US6877117B1 (en) 2001-07-27 2005-04-05 Ciena Corporation Optical signal receiver and method with decision threshold adjustment based on a relative percentage error indicator
US6885828B1 (en) 2001-07-27 2005-04-26 Ciena Corporation Optical signal receiver and method with decision threshold adjustment based on a total percentage error indicator field of the invention
JP3863058B2 (ja) * 2001-09-13 2006-12-27 三菱電機株式会社 光受信装置
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
US7062165B2 (en) * 2001-12-26 2006-06-13 Nortel Networks Limited Receiver monitoring and optimization using forward error correction information
US6918069B2 (en) 2002-04-16 2005-07-12 Cisco Technology, Inc. Optimum threshold for FEC transponders
US7603042B2 (en) * 2002-06-04 2009-10-13 Eiselt Michael H Apparatus and method for optimum decision threshold setting
US7362800B1 (en) * 2002-07-12 2008-04-22 Rambus Inc. Auto-configured equalizer
WO2004008490A2 (en) * 2002-07-12 2004-01-22 Rambus Inc. A selectable-tap equalizer, auto-configured equalizer, receiving circuit having an equalizer calibration function, and system having grouped reflection characteristics
US7292629B2 (en) * 2002-07-12 2007-11-06 Rambus Inc. Selectable-tap equalizer
US8861667B1 (en) 2002-07-12 2014-10-14 Rambus Inc. Clock data recovery circuit with equalizer clock calibration
KR100462407B1 (ko) * 2002-11-07 2004-12-17 한국전자통신연구원 순방향 오류 정정(ｆｅｃ)을 이용한 광수신기의 출력최적화 방법 및 이를 이용한 광수신 시스템
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
CN1836393B (zh) * 2003-06-30 2010-08-04 三菱电机株式会社 光接收装置和光接收方法
CA2540112A1 (en) * 2003-10-24 2005-05-12 Tyco Telecommunications (Us) Inc. System and method for adjusting soft decision thresholds in a soft-decision error correction system
US6867728B1 (en) 2003-11-06 2005-03-15 Lockheed Martin Corporation Methods and systems for identifying signals-of-interest
CN101027842B (zh) * 2004-07-27 2012-05-02 Nxp股份有限公司 数据处理电路和编码/解码输入数据字的方法
US7424651B2 (en) * 2004-12-21 2008-09-09 Tyco Telecommunications (Us) Inc. Method and apparatus for decision threshold control in an optical signal receiver
WO2007029535A1 (ja) * 2005-09-02 2007-03-15 Nec Corporation 偏波モード分散補償回路
JP3917633B1 (ja) * 2005-11-21 2007-05-23 シャープ株式会社 デジタル復調装置、その制御方法、デジタル復調装置用プログラム、デジタル復調装置用プログラムを記録した記録媒体及びデジタル受信装置
JP3930525B2 (ja) * 2005-11-21 2007-06-13 シャープ株式会社 デジタル復調装置、その制御方法、その制御用プログラム、その制御用プログラムを記録した記録媒体及びデジタル受信装置
US8948313B2 (en) * 2010-01-20 2015-02-03 LG-Erricsson Co., Ltd. Method and apparatus for adjusting a symbol decision threshold at a receiver in a communication network
US9136952B2 (en) * 2014-01-17 2015-09-15 Tektronix, Inc. Pulse amplitude modulation (PAM) bit error test and measurement
US10245028B2 (en) 2015-02-27 2019-04-02 Ethicon Llc Power adapter for a surgical instrument
US10135645B1 (en) * 2017-10-18 2018-11-20 Cisco Technology, Inc. Equalizer optimization for FEC-protected communication links

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148440A (en) * 1981-03-10 1982-09-13 Victor Co Of Japan Ltd Measurement system for transmission error rate
US4490804A (en) * 1982-05-03 1984-12-25 Motorola, Inc. Self-correcting throttle position sensing circuit
JPS62193441A (ja) * 1986-02-20 1987-08-25 Victor Co Of Japan Ltd レベル制御装置
US4823360A (en) * 1988-02-12 1989-04-18 Northern Telecom Limited Binary data regenerator with adaptive threshold level
CA2003774C (en) * 1988-11-25 1993-01-26 Atsushi Yoshida Carrier phase synchronizing circuit capable of recovering carrier phase synchronization at a short time
JPH0344245A (ja) * 1989-07-12 1991-02-26 Toshiba Corp しきい値設定装置
JPH05342774A (ja) 1992-06-08 1993-12-24 Canon Inc 誤り率低減回路
US5896391A (en) * 1996-12-19 1999-04-20 Northern Telecom Limited Forward error correction assisted receiver optimization
DE19717642A1 (de) * 1997-04-25 1998-11-05 Siemens Ag Verfahren zur Datenregeneration

Also Published As

Publication number Publication date
DE60038149T2 (de) 2009-02-19
RU2000123760A (ru) 2002-08-10
EP1085713A3 (de) 2004-01-21
GB9922016D0 (en) 1999-11-17
CN1289192A (zh) 2001-03-28
NO20004653L (no) 2001-03-19
EP1085713B1 (de) 2008-02-27
US6513136B1 (en) 2003-01-28
EP1085713A2 (de) 2001-03-21
NO20004653D0 (no) 2000-09-18
GB2354412A (en) 2001-03-21
AU5948100A (en) 2001-03-22
JP2001144734A (ja) 2001-05-25
ATE387786T1 (de) 2008-03-15

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Legal Events

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