DE69827620D1 - Leitungszustandsüberwachung im datenübertragungssmodus - Google Patents

Leitungszustandsüberwachung im datenübertragungssmodus

Info

Publication number
DE69827620D1
DE69827620D1 DE69827620T DE69827620T DE69827620D1 DE 69827620 D1 DE69827620 D1 DE 69827620D1 DE 69827620 T DE69827620 T DE 69827620T DE 69827620 T DE69827620 T DE 69827620T DE 69827620 D1 DE69827620 D1 DE 69827620D1
Authority
DE
Germany
Prior art keywords
data transfer
transfer mode
status monitoring
line status
line
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
DE69827620T
Other languages
English (en)
Other versions
DE69827620T2 (de
Inventor
C Yip
M Rahmatullah
L Cole
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.)
Microsemi Semiconductor US Inc
Original Assignee
Legerity 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 Legerity Inc filed Critical Legerity Inc
Publication of DE69827620D1 publication Critical patent/DE69827620D1/de
Application granted granted Critical
Publication of DE69827620T2 publication Critical patent/DE69827620T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/241—Testing correct operation using pseudo-errors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
DE69827620T 1997-05-09 1998-05-06 Leitungszustandsüberwachung im datenübertragungssmodus Expired - Lifetime DE69827620T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US853300 1986-04-17
US08/853,300 US6374375B1 (en) 1997-05-09 1997-05-09 Monitoring line conditions in the data transmission mode
PCT/US1998/009305 WO1998051031A1 (en) 1997-05-09 1998-05-06 Monitoring line conditions in the data transmission mode

Publications (2)

Publication Number Publication Date
DE69827620D1 true DE69827620D1 (de) 2004-12-23
DE69827620T2 DE69827620T2 (de) 2005-12-01

Family

ID=25315660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69827620T Expired - Lifetime DE69827620T2 (de) 1997-05-09 1998-05-06 Leitungszustandsüberwachung im datenübertragungssmodus

Country Status (4)

Country Link
US (1) US6374375B1 (de)
EP (1) EP0980606B1 (de)
DE (1) DE69827620T2 (de)
WO (1) WO1998051031A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100263478B1 (ko) * 1998-02-04 2000-08-01 김영환 모뎀의 접속 방법
KR100264787B1 (ko) 1998-06-15 2000-09-01 김영환 이동통신 시스템의 핸드오프 제어방법
US6650698B1 (en) * 1999-09-29 2003-11-18 Conexant Systems, Inc. Non-linear equalization for the upstream data connection of 56K PCM modems
US6546045B1 (en) * 1999-11-16 2003-04-08 United States Of America Method for communication using adaptive modem
US7106788B1 (en) * 1999-11-19 2006-09-12 3Com Corporation Method and system for analytically computing and using an ANSpcm signal
US6687232B1 (en) * 2000-01-14 2004-02-03 Adtran, Inc. Subscriber loop terminal equipment-resident mechanism for determining bit rate of high-level data link control communication channel
KR20100034063A (ko) * 2000-01-25 2010-03-31 어웨어, 인크. Ａｄｓｌ 모뎀에서 에코 제거기를 갱신하기 위해 ｌｍｓ 방법을 이용하기 위한 시스템 및 방법
US7013257B1 (en) * 2000-07-21 2006-03-14 Interdigital Technology Corporation Communication transmission impairment emulator
US7076556B1 (en) * 2000-07-31 2006-07-11 Cisco Technology, Inc. Method and apparatus for storage and retrieval of connection data in a communications system
US6693992B2 (en) * 2001-01-16 2004-02-17 Mindspeed Technologies Line probe signal and method of use
US20030068024A1 (en) * 2001-10-05 2003-04-10 Jones William W. Communication system activation
US7095789B2 (en) * 2004-01-28 2006-08-22 Rambus, Inc. Communication channel calibration for drift conditions
US7400670B2 (en) 2004-01-28 2008-07-15 Rambus, Inc. Periodic calibration for communication channels by drift tracking
US8422568B2 (en) 2004-01-28 2013-04-16 Rambus Inc. Communication channel calibration for drift conditions
US6961862B2 (en) 2004-03-17 2005-11-01 Rambus, Inc. Drift tracking feedback for communication channels
US20080155159A1 (en) * 2006-12-22 2008-06-26 Rivas Mario A Integrated communication and information processing system
US10476599B2 (en) * 2016-04-18 2019-11-12 Nec Corporation Joint source and LDPC coding based coding modulation for ultra-high-speed optical transport
CN116366415A (zh) * 2021-12-27 2023-06-30 华为技术有限公司 调制方法、解调方法以及相关装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0773240B2 (ja) 1985-12-13 1995-08-02 日本電気株式会社 自動再トレ−ニング方式
GB8800740D0 (en) * 1988-01-13 1988-02-10 Ncr Co Data modem receiver
US4956851A (en) * 1988-05-25 1990-09-11 Case Communications Inc. Modem with remote speed-change capability
US5408475A (en) 1990-06-14 1995-04-18 Motorola, Inc. Modem with transient impairment detector
US5214637A (en) * 1991-04-15 1993-05-25 Codex Corporation High speed two wire modem

Also Published As

Publication number Publication date
WO1998051031A1 (en) 1998-11-12
US6374375B1 (en) 2002-04-16
DE69827620T2 (de) 2005-12-01
EP0980606B1 (de) 2004-11-17
EP0980606A1 (de) 2000-02-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition