HK1004935A1 - Method and apparatus for updating coefficients in a complex adaptive equalizer - Google Patents

Method and apparatus for updating coefficients in a complex adaptive equalizer

Info

Publication number
HK1004935A1
HK1004935A1 HK98101609A HK98101609A HK1004935A1 HK 1004935 A1 HK1004935 A1 HK 1004935A1 HK 98101609 A HK98101609 A HK 98101609A HK 98101609 A HK98101609 A HK 98101609A HK 1004935 A1 HK1004935 A1 HK 1004935A1
Authority
HK
Hong Kong
Prior art keywords
equalizer
complex
coefficients
updated
filters
Prior art date
Application number
HK98101609A
Other languages
English (en)
Inventor
Woo H Paik
Scott A Lery
Allen Wu
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of HK1004935A1 publication Critical patent/HK1004935A1/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/12Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375Passband transmission
    • H04L2025/0342QAM
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439Fixed structures
    • H04L2025/03445Time domain
    • H04L2025/03471Tapped delay lines
    • H04L2025/03477Tapped delay lines not time-recursive
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03592Adaptation methods
    • H04L2025/03598Algorithms
    • H04L2025/03611Iterative algorithms
    • H04L2025/03617Time recursive algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
HK98101609A 1991-07-26 1998-03-02 Method and apparatus for updating coefficients in a complex adaptive equalizer HK1004935A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/733,791 US5243624A (en) 1991-07-26 1991-07-26 Method and apparatus for updating coefficients in a complex adaptive equalizer

Publications (1)

Publication Number Publication Date
HK1004935A1 true HK1004935A1 (en) 1998-12-11

Family

ID=24949130

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98101609A HK1004935A1 (en) 1991-07-26 1998-03-02 Method and apparatus for updating coefficients in a complex adaptive equalizer

Country Status (11)

Country Link
US (1) US5243624A (fr)
EP (1) EP0524560B1 (fr)
JP (1) JPH05226975A (fr)
KR (1) KR950006765B1 (fr)
AT (1) ATE157826T1 (fr)
AU (1) AU646618B2 (fr)
CA (1) CA2073918C (fr)
DE (1) DE69221970T2 (fr)
HK (1) HK1004935A1 (fr)
IE (1) IE80616B1 (fr)
NO (1) NO303898B1 (fr)

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US5809065A (en) * 1996-02-20 1998-09-15 Usa Digital Radio Partners, L.P. Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
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FR2754125B1 (fr) * 1996-09-30 2004-07-09 Sc Reprosol Dispositif et procede d'egalisation vectorielle d'un signal ofdm
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US5940441A (en) * 1996-10-29 1999-08-17 International Business Machines Corporation Integrated adaptive cable equalizer using a continuous-time filter
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US6920333B2 (en) * 2002-09-12 2005-07-19 George L. Yang Decision feedback equalizer with embedded coherent signal combiner
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Also Published As

Publication number Publication date
US5243624A (en) 1993-09-07
EP0524560A3 (en) 1993-05-19
KR930003753A (ko) 1993-02-24
KR950006765B1 (ko) 1995-06-22
NO303898B1 (no) 1998-09-14
IE922325A1 (en) 1993-01-27
CA2073918A1 (fr) 1993-01-27
JPH05226975A (ja) 1993-09-03
DE69221970T2 (de) 1998-03-26
AU2031192A (en) 1993-01-28
AU646618B2 (en) 1994-02-24
EP0524560B1 (fr) 1997-09-03
ATE157826T1 (de) 1997-09-15
DE69221970D1 (de) 1997-10-09
IE80616B1 (en) 1998-10-21
NO922857D0 (no) 1992-07-17
CA2073918C (fr) 2000-12-19
NO922857L (no) 1993-01-27
EP0524560A2 (fr) 1993-01-27

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050718