DE69932774D1 - Digitales Teilnehmerleitungnachrichtenübertragungssystem - Google Patents

Digitales Teilnehmerleitungnachrichtenübertragungssystem

Info

Publication number
DE69932774D1
DE69932774D1 DE69932774T DE69932774T DE69932774D1 DE 69932774 D1 DE69932774 D1 DE 69932774D1 DE 69932774 T DE69932774 T DE 69932774T DE 69932774 T DE69932774 T DE 69932774T DE 69932774 D1 DE69932774 D1 DE 69932774D1
Authority
DE
Germany
Prior art keywords
subscriber line
digital subscriber
messaging system
line messaging
digital
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 - Lifetime
Application number
DE69932774T
Other languages
English (en)
Other versions
DE69932774T2 (de
Inventor
Kazutomo Hasegawa
Seiji Miyoshi
Yutaka Awata
Takashi Sasaki
Nobukazu Koizumi
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.)
Quarterhill Inc
Original Assignee
Fujitsu Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15942489&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69932774(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69932774D1 publication Critical patent/DE69932774D1/de
Publication of DE69932774T2 publication Critical patent/DE69932774T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • 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
    • 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
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • H04L27/2655—Synchronisation arrangements
    • 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
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2691—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation involving interference determination or cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H04L5/1484—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise
    • H04L5/1492—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise with time compression, e.g. operating according to the ping-pong technique
DE69932774T 1998-06-19 1999-06-18 Digitales Teilnehmerleitungnachrichtenübertragungssystem Expired - Lifetime DE69932774T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17246498A JP3622510B2 (ja) 1998-06-19 1998-06-19 ディジタル加入者線伝送方法、ａｄｓｌトランシーバ、チャンネルアナリシステ方法及びａｄｓｌ装置
JP17246498 1998-06-19

Publications (2)

Publication Number Publication Date
DE69932774D1 true DE69932774D1 (de) 2006-09-28
DE69932774T2 DE69932774T2 (de) 2007-08-16

Family

ID=15942489

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69939405T Expired - Fee Related DE69939405D1 (de) 1998-06-19 1999-06-18 Sender-Empfänger-Training in einem Digital Subscriber Line Kommunikationssystem
DE69932774T Expired - Lifetime DE69932774T2 (de) 1998-06-19 1999-06-18 Digitales Teilnehmerleitungnachrichtenübertragungssystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69939405T Expired - Fee Related DE69939405D1 (de) 1998-06-19 1999-06-18 Sender-Empfänger-Training in einem Digital Subscriber Line Kommunikationssystem

Country Status (4)

Country Link
US (2) US7072386B1 (de)
EP (2) EP1524794B1 (de)
JP (1) JP3622510B2 (de)
DE (2) DE69939405D1 (de)

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AU2000226869A1 (en) * 2000-02-21 2001-09-03 Surf Communication Solutions, Ltd. Adaptive echo canceling
US20010049757A1 (en) * 2000-03-01 2001-12-06 Ming-Kang Liu Programmable task scheduler for use with multiport xDSL processing system
JP3717363B2 (ja) 2000-03-07 2005-11-16 富士通株式会社 ｘＤＳＬトランシーバ
US7260117B2 (en) * 2002-03-08 2007-08-21 Centillium Communications, Inc. Synchronizing initial handshake in ADSL annex C to TTR
US7376157B1 (en) * 2002-03-08 2008-05-20 Centillium Communications, Inc. Synchronizing ADSL Annex C transceivers to TTR
US20040032780A1 (en) * 2002-04-08 2004-02-19 Ehud Langberg System and method for generating a clock signal in a communication system
JP2004007270A (ja) * 2002-05-31 2004-01-08 Panasonic Communications Co Ltd Ａｄｓｌモデム装置及びａｄｓｌ通信装置並びにａｄｓｌ通信における同期調整方法
KR100446301B1 (ko) * 2002-06-01 2004-08-30 삼성전자주식회사 전화선 상에서 패킷 데이터를 안정되게 수신할 수 있는버스트 모드 수신기 및 그 방법
US20040136405A1 (en) * 2002-11-14 2004-07-15 Guozhu Long Obtaining and maintaining TTR synchronization during DSL transceiver channel discovery phase in presence of TCM-ISDN noise
CA2582957C (en) * 2004-10-11 2013-09-03 2Wire Inc. Periodic impulse noise mitigation in a dsl system
US7953163B2 (en) 2004-11-30 2011-05-31 Broadcom Corporation Block linear equalization in a multicarrier communication system
US7852950B2 (en) 2005-02-25 2010-12-14 Broadcom Corporation Methods and apparatuses for canceling correlated noise in a multi-carrier communication system
US9374257B2 (en) 2005-03-18 2016-06-21 Broadcom Corporation Methods and apparatuses of measuring impulse noise parameters in multi-carrier communication systems
US7894560B2 (en) * 2005-09-22 2011-02-22 Freescale Semiconductor, Inc. Pilot tracking module operable to adjust interpolator sample timing within a handheld audio system
US7697912B2 (en) * 2005-09-22 2010-04-13 Freescale Semiconductor, Inc. Method to adjustably convert a first data signal having a first time domain to a second data signal having a second time domain
KR100705588B1 (ko) * 2006-02-03 2007-04-09 삼성전자주식회사 디지털 가입자 라인의 ｔｔｒ 옵셋 조절장치 및 그 방법
US7813439B2 (en) 2006-02-06 2010-10-12 Broadcom Corporation Various methods and apparatuses for impulse noise detection
KR100738558B1 (ko) * 2006-02-10 2007-07-11 삼성전자주식회사 Ｔｃｍ ｉｓｄｎ 기술이 적용된 차세대 네트워크 시스템 및그 제어방법
US7940870B2 (en) * 2006-03-17 2011-05-10 Broadcom Corporation Digital subscriber line noise mitigation techniques, and applications thereof
US20080123755A1 (en) * 2006-09-18 2008-05-29 Axel Clausen Method and apparatus for data transmission
FI121770B (fi) * 2007-05-28 2011-03-31 Tellabs Oy Menetelmä ja järjestely tahdistusinformaation siirtämiseksi
US8605837B2 (en) 2008-10-10 2013-12-10 Broadcom Corporation Adaptive frequency-domain reference noise canceller for multicarrier communications systems
JP2011254122A (ja) * 2009-03-23 2011-12-15 Nec Corp 回路、制御システム、制御方法及びプログラム
EP3514976A1 (de) 2014-10-24 2019-07-24 Lantiq Beteiligungs-GmbH & Co.KG Kommunikationskoexistenz in überlappungsspektrum
WO2019095232A1 (zh) * 2017-11-16 2019-05-23 富士通株式会社 资源指示方法、装置及通信系统

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Also Published As

Publication number Publication date
JP2000013520A (ja) 2000-01-14
DE69932774T2 (de) 2007-08-16
EP0966134B1 (de) 2006-08-16
EP1524794A1 (de) 2005-04-20
JP3622510B2 (ja) 2005-02-23
EP1524794B1 (de) 2008-08-20
DE69939405D1 (de) 2008-10-02
US7072386B1 (en) 2006-07-04
EP0966134A3 (de) 2003-01-22
US20050157779A1 (en) 2005-07-21
EP0966134A2 (de) 1999-12-22
US7167509B2 (en) 2007-01-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: WI-LAN, INC., OTTAWA, ONTARIO, CA