BRPI0924904A2 - cancelamento de ruído dsl - Google Patents

cancelamento de ruído dsl

Info

Publication number
BRPI0924904A2
BRPI0924904A2 BRPI0924904A BRPI0924904A BRPI0924904A2 BR PI0924904 A2 BRPI0924904 A2 BR PI0924904A2 BR PI0924904 A BRPI0924904 A BR PI0924904A BR PI0924904 A BRPI0924904 A BR PI0924904A BR PI0924904 A2 BRPI0924904 A2 BR PI0924904A2
Authority
BR
Brazil
Prior art keywords
noise cancellation
dsl noise
dsl
cancellation
noise
Prior art date
Application number
BRPI0924904A
Other languages
English (en)
Inventor
M Cioffi John
B Flowers Mark
Brady Mark
Mallory Mark
Mohseni Mehdi
Original Assignee
Adaptive Spectrum & Signal Alignment Inc
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 Adaptive Spectrum & Signal Alignment Inc filed Critical Adaptive Spectrum & Signal Alignment Inc
Publication of BRPI0924904A2 publication Critical patent/BRPI0924904A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/32—Reducing cross-talk, e.g. by compensating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/0036—Interference mitigation or co-ordination of multi-user interference at the receiver
    • H04J11/004—Interference mitigation or co-ordination of multi-user interference at the receiver using regenerative subtractive interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
BRPI0924904A 2009-03-04 2009-03-04 cancelamento de ruído dsl BRPI0924904A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2009/036076 WO2010101568A1 (en) 2009-03-04 2009-03-04 Dsl noise cancellation

Publications (1)

Publication Number Publication Date
BRPI0924904A2 true BRPI0924904A2 (pt) 2018-10-16

Family

ID=40793032

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0924904A BRPI0924904A2 (pt) 2009-03-04 2009-03-04 cancelamento de ruído dsl

Country Status (8)

Country Link
US (1) US9819388B2 (pt)
EP (1) EP2404385B1 (pt)
JP (1) JP5221778B2 (pt)
CN (1) CN102379090B (pt)
AU (2) AU2009341558A1 (pt)
BR (1) BRPI0924904A2 (pt)
CA (1) CA2754351A1 (pt)
WO (1) WO2010101568A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8130880B1 (en) 2007-05-23 2012-03-06 Hypress, Inc. Wideband digital spectrometer
US8432955B2 (en) * 2009-07-10 2013-04-30 Futurewei Technologies, Inc. Method for robust crosstalk precoder training in channels with impulse noise
US8255967B2 (en) * 2009-08-21 2012-08-28 At&T Intellectual Property I, Lp Method and apparatus for high speed data services
US8514951B2 (en) * 2009-09-18 2013-08-20 Broadcom Corporation Method and system for interference cancellation
JP5632258B2 (ja) * 2010-11-04 2014-11-26 株式会社メガチップス 通信装置
CN103828250B (zh) * 2011-07-25 2016-01-27 瑞典爱立信有限公司 用于节省电信系统中的功率的方法
CN104854577A (zh) * 2012-10-15 2015-08-19 伊卡诺斯通信公司 用以检测和分析噪声以及影响通信系统的其它事件的方法和装置
WO2014063309A1 (zh) * 2012-10-23 2014-05-01 华为技术有限公司 发送selt测量信号的方法和装置以及控制设备
DE102014104349B4 (de) * 2014-03-28 2016-06-02 Intel IP Corporation Verfahren und Vorrichtung zum Schätzen einer Interferenz in einem Empfangssignal
CN104639207B (zh) * 2015-02-05 2017-08-04 哈尔滨工程大学 一种高效同步的并行组合扩频系统发射与接收方法
US9942366B2 (en) * 2015-06-24 2018-04-10 Intel Corporation Method of utilizing echo cancellation for enhancing wide-bandwidth opportunity for wi-fi
US20170188264A1 (en) * 2015-12-23 2017-06-29 Qualcomm Incorporated Analog interference cancellation using digital computation of cancellation coefficients
US10326625B1 (en) 2018-01-26 2019-06-18 Nvidia Corporation System and method for reference noise compensation for single-ended serial links
US10187094B1 (en) 2018-01-26 2019-01-22 Nvidia Corporation System and method for reference noise compensation for single-ended serial links
CN112334971A (zh) * 2018-06-14 2021-02-05 哈曼国际工业有限公司 利用公共参考信号和误差信号的并发fxlms系统

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2982519B2 (ja) * 1992-11-12 1999-11-22 日本電気株式会社 近端漏話キャンセラ
JP3159229B2 (ja) * 1993-03-30 2001-04-23 ソニー株式会社 マイクロホン装置
US5995567A (en) * 1996-04-19 1999-11-30 Texas Instruments Incorporated Radio frequency noise canceller
US5887032A (en) * 1996-09-03 1999-03-23 Amati Communications Corp. Method and apparatus for crosstalk cancellation
US6668023B1 (en) * 1997-12-30 2003-12-23 Paradyne Corporation Linear block interleaver system and method
US6628754B1 (en) * 2000-01-07 2003-09-30 3Com Corporation Method for rapid noise reduction from an asymmetric digital subscriber line modem
EP1185047A1 (en) * 2000-08-29 2002-03-06 Telefonaktiebolaget Lm Ericsson Estimation and removal of intersymbol interference in multicarrier signals
US6999504B1 (en) * 2000-11-21 2006-02-14 Globespanvirata, Inc. System and method for canceling crosstalk
DE10117231A1 (de) 2001-04-06 2002-10-31 Hodson Howard Rotorspalt-Steuermodul
AU2002357124A1 (en) * 2001-12-10 2003-06-23 Globespan Virata, Inc. System and method for improving data transmission
US7120211B2 (en) * 2002-03-21 2006-10-10 Conexant, Inc. Adaptive RFI canceller for DSL
US7577084B2 (en) * 2003-05-03 2009-08-18 Ikanos Communications Inc. ISDN crosstalk cancellation in a DSL system
US7315592B2 (en) * 2003-09-08 2008-01-01 Aktino, Inc. Common mode noise cancellation
JP4216169B2 (ja) * 2003-11-27 2009-01-28 日本電信電話株式会社 ビタビ等化器
US20060029148A1 (en) * 2004-08-06 2006-02-09 Tsatsanis Michail K Method and apparatus for training using variable transmit signal power levels
JP2008271409A (ja) * 2007-04-24 2008-11-06 Mitsubishi Electric Corp 受信装置
US8467304B2 (en) * 2008-06-19 2013-06-18 Qualcomm Incorporated Self-configuration for femtocells
US8630383B2 (en) * 2008-08-22 2014-01-14 Alcatel Lucent Communication system for transmitting sync-flags and pilot symbols and method thereof
US8743823B2 (en) * 2009-02-12 2014-06-03 Qualcomm Incorporated Transmission with collision detection and mitigation for wireless communication
US20110007623A1 (en) * 2009-07-10 2011-01-13 Futurewei Technologies, Inc. Method for Estimating the Strength of a Crosstalk Channel

Also Published As

Publication number Publication date
AU2009341558A1 (en) 2011-10-13
AU2016200818A1 (en) 2016-02-25
JP2012520007A (ja) 2012-08-30
EP2404385B1 (en) 2019-07-24
EP2404385A1 (en) 2012-01-11
CN102379090A (zh) 2012-03-14
US20120051410A1 (en) 2012-03-01
JP5221778B2 (ja) 2013-06-26
US9819388B2 (en) 2017-11-14
CN102379090B (zh) 2015-01-21
WO2010101568A1 (en) 2010-09-10
CA2754351A1 (en) 2010-09-10

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired