[go: up one dir, main page]

SE9301955L - Sätt och apparat för filtrering av brus vid beslutsåterkopplad utjämning - Google Patents

Sätt och apparat för filtrering av brus vid beslutsåterkopplad utjämning

Info

Publication number
SE9301955L
SE9301955L SE9301955A SE9301955A SE9301955L SE 9301955 L SE9301955 L SE 9301955L SE 9301955 A SE9301955 A SE 9301955A SE 9301955 A SE9301955 A SE 9301955A SE 9301955 L SE9301955 L SE 9301955L
Authority
SE
Sweden
Prior art keywords
noise
quantizer
decision feedback
feedback equalization
filter
Prior art date
Application number
SE9301955A
Other languages
Unknown language ( )
English (en)
Other versions
SE9301955D0 (sv
Inventor
Roy George Batruni
Original Assignee
Nat Semiconductor 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 Nat Semiconductor Corp filed Critical Nat Semiconductor Corp
Publication of SE9301955D0 publication Critical patent/SE9301955D0/sv
Publication of SE9301955L publication Critical patent/SE9301955L/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/06Control of transmission; Equalising by the transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Analogue/Digital Conversion (AREA)
  • Networks Using Active Elements (AREA)
SE9301955A 1992-07-07 1993-06-08 Sätt och apparat för filtrering av brus vid beslutsåterkopplad utjämning SE9301955L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/910,009 US5327460A (en) 1992-07-07 1992-07-07 Method and apparatus for filtering post decision feedback equalization noise

Publications (2)

Publication Number Publication Date
SE9301955D0 SE9301955D0 (sv) 1993-06-08
SE9301955L true SE9301955L (sv) 1994-01-08

Family

ID=25428182

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301955A SE9301955L (sv) 1992-07-07 1993-06-08 Sätt och apparat för filtrering av brus vid beslutsåterkopplad utjämning

Country Status (4)

Country Link
US (1) US5327460A (sv)
DE (1) DE4322033B4 (sv)
FR (1) FR2693611A1 (sv)
SE (1) SE9301955L (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761243A (en) * 1993-09-16 1998-06-02 U.S. Philips Corporation Digital receiver with noise filter which also serves as a feedback filter providing intersymbol interference reduction
US6285709B1 (en) * 1997-10-31 2001-09-04 3 Com Corporation Error filtering in a hybrid equalizer system
US6144697A (en) * 1998-02-02 2000-11-07 Purdue Research Foundation Equalization techniques to reduce intersymbol interference
AU3218699A (en) 1998-03-30 1999-10-18 3Com Corporation Low complexity frequency estimator and interference cancellation method and device
US20030112370A1 (en) * 2001-12-18 2003-06-19 Chris Long Adaptive expanded information capacity for communications systems
US6433835B1 (en) 1998-04-17 2002-08-13 Encamera Sciences Corporation Expanded information capacity for existing communication transmission systems
US20030140351A1 (en) * 1998-04-17 2003-07-24 Hoarty W. Leo Cable television system compatible bandwidth upgrade using embedded digital channels
GB2355629B (en) * 1999-10-18 2004-02-11 Mitel Corp Precursor decision feedback equalizer (PDFE)
FI20000820A7 (sv) 2000-04-06 2001-10-07 Nokia Corp Optimering av kanalekvalisator
US6870881B1 (en) * 2000-08-24 2005-03-22 Marvell International Ltd. Feedforward equalizer for DFE based detector
US20030219085A1 (en) * 2001-12-18 2003-11-27 Endres Thomas J. Self-initializing decision feedback equalizer with automatic gain control
US7180942B2 (en) * 2001-12-18 2007-02-20 Dotcast, Inc. Joint adaptive optimization of soft decision device and feedback equalizer
US7580482B2 (en) * 2003-02-19 2009-08-25 Endres Thomas J Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver
US7542508B2 (en) * 2005-04-21 2009-06-02 Lsi Logic Corporation Continuous-time decision feedback equalizer
US8891607B2 (en) 2012-09-06 2014-11-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Feed forward equalizer tap weight adaptation based on channel estimation
US8964827B2 (en) 2013-03-07 2015-02-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Adaptation of equalizer settings using error signals sampled at several different phases

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583234A (en) * 1983-08-15 1986-04-15 Rockwell International Corporation Decision feedback equalizing apparatus
NL8701333A (nl) * 1987-06-09 1989-01-02 Philips Nv Inrichting voor het bestrijden van intersymboolinterferentie en ruis.
JPH0750863B2 (ja) * 1987-09-25 1995-05-31 日本電気株式会社 受信器
US4856031A (en) * 1988-04-28 1989-08-08 General Datacomm, Inc. Adaptive multiharmonic phase jitter compensation
US5008903A (en) * 1989-05-25 1991-04-16 A.T. & T. Paradyne Adaptive transmit pre-emphasis for digital modem computed from noise spectrum

Also Published As

Publication number Publication date
US5327460A (en) 1994-07-05
SE9301955D0 (sv) 1993-06-08
DE4322033A1 (de) 1994-01-13
DE4322033B4 (de) 2006-08-17
FR2693611A1 (fr) 1994-01-14

Similar Documents

Publication Publication Date Title
SE9301955L (sv) Sätt och apparat för filtrering av brus vid beslutsåterkopplad utjämning
US7542508B2 (en) Continuous-time decision feedback equalizer
US5991339A (en) Adaptive equalization using a minimum- jitter criterion
AU2031192A (en) Method and apparatus for updating coefficients in a complex adaptive equalizer
CA2233522A1 (en) Blind training of a decision feedback equalizer
DE60207841D1 (de) Alias-reduktion unter verwendung komplex-exponentiell modulierter filterbänke
EP1486043A2 (en) Adaptive equalizer which is independent of the amplitude of the transmitted signal
ATE284108T1 (de) Verfahren und system zur entscheidungrückgekoppelten dekodierung
WO2004059899A2 (en) Adaptive coefficient signal generator for adaptive signal equalizers with fractionally-spaced feedback
FI892627A0 (fi) Foerfarande foer reducering av brus och faergoeverfoering i televisionssignaler och anordning foer utfoerande av foerfarandet.
KR970017460A (ko) 통신 채널에 대한 시간 영역 필터
EP1392001A1 (en) Adaptive equalizer
CA2133236A1 (en) Method and Apparatus for Channel Equalization
EP1632048A4 (en) METHOD AND DEVICE FOR EQUALIZATION AND MITIGATION OF CROSSTALK
WO2001048991A8 (en) Equaliser with a cost function taking into account noise energy
AU6633800A (en) Decision feedback equalizer and precoder ramping circuit
AU7861691A (en) A method of equalization in a receiver of signals having passed a transmission channel
IE782366L (en) Self-adapting equaliser
YU47270B (sh) Adaptivni korektor frekvencijskog domena za digitalne radio relejne sisteme
SE9602824L (sv) Förfarande och anordning för tidskontinuerlig filtrering i digital cmos-process
DE59701091D1 (de) Verfahren und vorrichtung zum richtungsaufgelösten empfang
WO1998004073A3 (en) Blind dfe and phase correction
AYALA Aperiodic noise cancellation using adaptive least absolute value filters
US7352225B1 (en) DC offset reduction circuit and method
JPS6178238A (ja) タイミングクロツク抽出回路

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9301955-2