DE69615005T2 - Kanalidentifizierung - Google Patents

Kanalidentifizierung

Info

Publication number
DE69615005T2
DE69615005T2 DE69615005T DE69615005T DE69615005T2 DE 69615005 T2 DE69615005 T2 DE 69615005T2 DE 69615005 T DE69615005 T DE 69615005T DE 69615005 T DE69615005 T DE 69615005T DE 69615005 T2 DE69615005 T2 DE 69615005T2
Authority
DE
Germany
Prior art keywords
channel identification
identification
channel
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 - Fee Related
Application number
DE69615005T
Other languages
English (en)
Other versions
DE69615005D1 (de
Inventor
N Hulyalkar
Zhi-Yuan Guan
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69615005D1 publication Critical patent/DE69615005D1/de
Application granted granted Critical
Publication of DE69615005T2 publication Critical patent/DE69615005T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE69615005T 1995-12-18 1996-11-25 Kanalidentifizierung Expired - Fee Related DE69615005T2 (de)

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
PCT/IB1996/001295 WO1997023089A1 (en) 1995-12-18 1996-11-25 Channel identification

Publications (2)

Publication Number Publication Date
DE69615005D1 DE69615005D1 (de) 2001-10-11
DE69615005T2 true DE69615005T2 (de) 2002-06-13

Family

ID=24293680

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615005T Expired - Fee Related DE69615005T2 (de) 1995-12-18 1996-11-25 Kanalidentifizierung

Country Status (6)

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

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
ATE270482T1 (de) 1998-07-21 2004-07-15 Nokia Corp Schätzung der kanalimpulsantwort mittels der streuung vom empfangenen signal
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
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US8218624B2 (en) * 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
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
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
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
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
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 (de) * 1989-10-06 1996-07-31 Koninklijke Philips Electronics N.V. Adaptive Schaltung zur Geisterbildauslöschung
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
US5179444A (en) * 1990-10-09 1993-01-12 North American Philips Corporation System for echo cancellation comprising an improved ghost cancellation reference signal
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
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
JPH11501186A (ja) 1999-01-26
DE69615005D1 (de) 2001-10-11
US5761088A (en) 1998-06-02
WO1997023089A1 (en) 1997-06-26
EP0809910A1 (de) 1997-12-03
EP0809910B1 (de) 2001-09-05
KR19980702348A (ko) 1998-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee