KR19980702348A - 채널 식별 장치 및 방법 - Google Patents

채널 식별 장치 및 방법 Download PDF

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Publication number
KR19980702348A
KR19980702348A KR1019970705745A KR19970705745A KR19980702348A KR 19980702348 A KR19980702348 A KR 19980702348A KR 1019970705745 A KR1019970705745 A KR 1019970705745A KR 19970705745 A KR19970705745 A KR 19970705745A KR 19980702348 A KR19980702348 A KR 19980702348A
Authority
KR
South Korea
Prior art keywords
channel
signal
impulse response
test signal
values
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.)
Abandoned
Application number
KR1019970705745A
Other languages
English (en)
Korean (ko)
Inventor
사미르 엔. 훌리알카르
지유안 구안
Original Assignee
요트.게.아.롤페즈
필립스 일렉트로닉스 엔.브이.
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 요트.게.아.롤페즈, 필립스 일렉트로닉스 엔.브이. filed Critical 요트.게.아.롤페즈
Publication of KR19980702348A publication Critical patent/KR19980702348A/ko
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Picture Signal Circuits (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
KR1019970705745A 1995-12-18 1996-11-25 채널 식별 장치 및 방법 Abandoned KR19980702348A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/573,857 US5761088A (en) 1995-12-18 1995-12-18 Method and apparatus for channel identification using incomplete or noisy information
US573,857 1995-12-18

Publications (1)

Publication Number Publication Date
KR19980702348A true KR19980702348A (ko) 1998-07-15

Family

ID=24293680

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970705745A Abandoned KR19980702348A (ko) 1995-12-18 1996-11-25 채널 식별 장치 및 방법

Country Status (6)

Country Link
US (1) US5761088A (enExample)
EP (1) EP0809910B1 (enExample)
JP (1) JPH11501186A (enExample)
KR (1) KR19980702348A (enExample)
DE (1) DE69615005T2 (enExample)
WO (1) WO1997023089A1 (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179444A (en) * 1990-10-09 1993-01-12 North American Philips Corporation System for echo cancellation comprising an improved ghost cancellation reference signal
FR2762167B1 (fr) * 1997-04-14 1999-09-24 Nortel Matra Cellular Sondage a ponderation spatiale d'une voie de transmission
US5914982A (en) * 1997-06-13 1999-06-22 Rockwell Semiconductor Systems, Inc. Method and apparatus for training linear equalizers in a PCM modem
WO2000005847A1 (en) * 1998-07-21 2000-02-03 Nokia Networks Oy Channel impulse response estimation using received signal variance
US6304299B1 (en) * 1998-11-30 2001-10-16 General Electric Company System and method for mitigating multipath effects in television systems
US6141393A (en) * 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6470047B1 (en) * 2001-02-20 2002-10-22 Comsys Communications Signal Processing Ltd. Apparatus for and method of reducing interference in a communications receiver
US6987797B2 (en) * 2002-07-26 2006-01-17 Qualcomm Incorporated Non-parametric matched filter receiver for wireless communication systems
US8218624B2 (en) * 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7801383B2 (en) * 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US7388935B2 (en) * 2004-06-15 2008-06-17 Telefonktiebolaget Lm Ericsson (Publ) Method of inverting nearly Toeplitz or block Toeplitz matrices
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
WO2008151137A2 (en) * 2007-06-01 2008-12-11 The Trustees Of Columbia University In The City Of New York Real-time time encoding and decoding machines
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
WO2009006405A1 (en) 2007-06-28 2009-01-08 The Trustees Of Columbia University In The City Of New York Multi-input multi-output time encoding and decoding machines
FI20085161A0 (fi) * 2008-02-22 2008-02-22 Nokia Corp Signaalin käsittely elektronisessa laitteessa
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
WO2012109407A1 (en) 2011-02-09 2012-08-16 The Trustees Of Columbia University In The City Of New York Encoding and decoding machine with recurrent neural networks
US8644265B2 (en) * 2011-09-30 2014-02-04 Xiao-an Wang Wideband analog channel information feedback

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2534737B2 (ja) * 1987-11-24 1996-09-18 日本電気ホームエレクトロニクス株式会社 ゴ―スト除去用フィルタ回路
EP0421526B1 (en) * 1989-10-06 1996-07-31 Koninklijke Philips Electronics N.V. Adaptive ghost cancellation circuit
US5121211A (en) 1990-10-09 1992-06-09 North American Philips Corporation System for echo cancellation comprising an improved ghost cancellation reference signal
DE4028322A1 (de) 1990-09-06 1992-03-19 Bosch Gmbh Robert Verfahren zur verbesserung einer kanalparameterschaetzung und anordnung zu dessen durchfuehrung
US5111298A (en) * 1990-10-09 1992-05-05 North American Philips Corporation Method and apparatus for communication channel identification and signal restoration
US5172232A (en) * 1990-10-09 1992-12-15 North American Philips Corporation Method and apparatus for communication channel identification and signal restoration
US5179444A (en) * 1990-10-09 1993-01-12 North American Philips Corporation System for echo cancellation comprising an improved ghost cancellation reference signal
US5047859A (en) * 1990-10-09 1991-09-10 North American Philips Corporation Method and apparatus for communication channel identification and signal restoration
JP3351855B2 (ja) * 1993-05-31 2002-12-03 株式会社日立国際電気 符号化伝送装置

Also Published As

Publication number Publication date
US5761088A (en) 1998-06-02
EP0809910A1 (en) 1997-12-03
EP0809910B1 (en) 2001-09-05
JPH11501186A (ja) 1999-01-26
DE69615005T2 (de) 2002-06-13
WO1997023089A1 (en) 1997-06-26
DE69615005D1 (de) 2001-10-11

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Patent event date: 19970818

Patent event code: PA01051R01D

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E701 Decision to grant or registration of patent right
PE0701 Decision of registration

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Patent event date: 20040428

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