ATE267480T1 - Entscheidungsrückgekoppelter entzerrer und rampenerzeugungsschaltung für einen vorkodierer - Google Patents

Entscheidungsrückgekoppelter entzerrer und rampenerzeugungsschaltung für einen vorkodierer

Info

Publication number
ATE267480T1
ATE267480T1 AT00953978T AT00953978T ATE267480T1 AT E267480 T1 ATE267480 T1 AT E267480T1 AT 00953978 T AT00953978 T AT 00953978T AT 00953978 T AT00953978 T AT 00953978T AT E267480 T1 ATE267480 T1 AT E267480T1
Authority
AT
Austria
Prior art keywords
decision feedback
filter
value
precoder
tap
Prior art date
Application number
AT00953978T
Other languages
English (en)
Inventor
Steven T Jaffe
Robindra Joshi
David Jones
Thuji Simon Lin
Original Assignee
Broadcom 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 Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of ATE267480T1 publication Critical patent/ATE267480T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • H04L25/4975—Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03993—Noise whitening
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H04L2025/03471—Tapped delay lines
    • H04L2025/03484—Tapped delay lines time-recursive
    • H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H04L2025/03808—Transmission of equaliser coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Amplifiers (AREA)
  • Dc Digital Transmission (AREA)
AT00953978T 1999-08-13 2000-08-11 Entscheidungsrückgekoppelter entzerrer und rampenerzeugungsschaltung für einen vorkodierer ATE267480T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US14880199P 1999-08-13 1999-08-13
US14897899P 1999-08-13 1999-08-13
US55075700A 2000-04-17 2000-04-17
PCT/US2000/022017 WO2001013516A2 (en) 1999-08-13 2000-08-11 Decision feedback equalizer and precoder ramping circuit

Publications (1)

Publication Number Publication Date
ATE267480T1 true ATE267480T1 (de) 2004-06-15

Family

ID=27386740

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00953978T ATE267480T1 (de) 1999-08-13 2000-08-11 Entscheidungsrückgekoppelter entzerrer und rampenerzeugungsschaltung für einen vorkodierer

Country Status (5)

Country Link
EP (1) EP1206836B1 (de)
AT (1) ATE267480T1 (de)
AU (1) AU6633800A (de)
DE (1) DE60010899T2 (de)
WO (1) WO2001013516A2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10056088B4 (de) * 2000-11-07 2006-01-12 IQ wireless GmbH, Entwicklungsgesellschaft für Systeme und Technologien der Telekommunikation Verfahren und Einrichtungen zur Kompensation von Störungen durch Mehrwegeausbreitung in einem Funkkommunikationssytem
US6940557B2 (en) 2001-02-08 2005-09-06 Micronas Semiconductors, Inc. Adaptive interlace-to-progressive scan conversion algorithm
DE10122891B4 (de) * 2001-05-11 2006-07-06 Infineon Technologies Ag Verfahren und System zur Datenübertragung
US6829297B2 (en) 2001-06-06 2004-12-07 Micronas Semiconductors, Inc. Adaptive equalizer having a variable step size influenced by output from a trellis decoder
US7190744B2 (en) 2001-06-07 2007-03-13 Micronas Semiconductors, Inc. Error generation for adaptive equalizer
US7418034B2 (en) 2001-06-19 2008-08-26 Micronas Semiconductors. Inc. Combined trellis decoder and decision feedback equalizer
US7218672B2 (en) 2001-10-16 2007-05-15 Koninklijke Philips Electronics N.V. Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer
US7321642B2 (en) 2002-04-05 2008-01-22 Micronas Semiconductors, Inc. Synchronization symbol re-insertion for a decision feedback equalizer combined with a trellis decoder
US7376181B2 (en) 2002-04-05 2008-05-20 Micronas Semiconductors, Inc. Transposed structure for a decision feedback equalizer combined with a trellis decoder
US7272203B2 (en) 2002-04-05 2007-09-18 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop for decoding an offset-QAM modulated signal having a pilot
US6995617B2 (en) 2002-04-05 2006-02-07 Micronas Semiconductors, Inc. Data-directed frequency-and-phase lock loop
US6980059B2 (en) 2002-04-05 2005-12-27 Micronas Semiconductors, Inc. Data directed frequency acquisition loop that synchronizes to a received signal by using the redundancy of the data in the frequency domain

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219469A (en) * 1988-06-02 1989-12-06 Philips Electronic Associated A decision feedback equaliser and a method of operating a decision feedback equaliser
US5321512A (en) * 1993-05-07 1994-06-14 Zoran Corporation Ghost signal cancellation system using feedforward and feedback filters for television signals
US6243425B1 (en) * 1997-07-22 2001-06-05 Globespan Technologies, Inc. Adaptive precoding system and method for equalizing communication signal
US6314135B1 (en) * 1998-08-28 2001-11-06 Adtran, Inc. Method and apparatus for updating precoder coefficients in a data communication transmitter

Also Published As

Publication number Publication date
EP1206836A2 (de) 2002-05-22
WO2001013516A2 (en) 2001-02-22
DE60010899D1 (de) 2004-06-24
EP1206836B1 (de) 2004-05-19
WO2001013516A3 (en) 2001-08-23
AU6633800A (en) 2001-03-13
DE60010899T2 (de) 2005-05-25

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