DE19780625T1 - Vorrichtung, Verfahren und Softwaremodem zur Nutzung der Gruppenlaufzeitverzögerungscharakteristiken zur Bestimmung einer Zeichengeschwindigkeit und/oder Zeichenhäufigkeit und einer Trägerfrequenz zum Datentransfer - Google Patents

Vorrichtung, Verfahren und Softwaremodem zur Nutzung der Gruppenlaufzeitverzögerungscharakteristiken zur Bestimmung einer Zeichengeschwindigkeit und/oder Zeichenhäufigkeit und einer Trägerfrequenz zum Datentransfer

Info

Publication number
DE19780625T1
DE19780625T1 DE19780625T DE19780625T DE19780625T1 DE 19780625 T1 DE19780625 T1 DE 19780625T1 DE 19780625 T DE19780625 T DE 19780625T DE 19780625 T DE19780625 T DE 19780625T DE 19780625 T1 DE19780625 T1 DE 19780625T1
Authority
DE
Germany
Prior art keywords
frequency
determining
data transfer
group delay
delay characteristics
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.)
Granted
Application number
DE19780625T
Other languages
English (en)
Other versions
DE19780625B4 (de
Inventor
Iii John L Moran
Sanjeev Verma
William Leslie Brown
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.)
Motorola Mobility LLC
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DE19780625T1 publication Critical patent/DE19780625T1/de
Application granted granted Critical
Publication of DE19780625B4 publication Critical patent/DE19780625B4/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
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Communication Control (AREA)
DE19780625T 1996-06-17 1997-06-03 Vorrichtung, Verfahren und Softwaremodem zur Nutzung der Gruppenlaufzeitverzögerungscharakteristiken zur Bestimmung einer Zeichengeschwindigkeit und/oder Zeichenhäufigkeit und einer Trägerfrequenz zum Datentransfer Expired - Lifetime DE19780625B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/664,757 1996-06-17
US08/664,757 US5870429A (en) 1996-06-17 1996-06-17 Apparatus method, and software modem for utilizing envelope delay distortion characteristics to determine a symbol rate and a carrier frequency for data transfer
PCT/US1997/009646 WO1997049212A2 (en) 1996-06-17 1997-06-03 Apparatus and method of determining symbol rate and a carrier frequency

Publications (2)

Publication Number Publication Date
DE19780625T1 true DE19780625T1 (de) 1998-10-01
DE19780625B4 DE19780625B4 (de) 2004-05-06

Family

ID=24667328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19780625T Expired - Lifetime DE19780625B4 (de) 1996-06-17 1997-06-03 Vorrichtung, Verfahren und Softwaremodem zur Nutzung der Gruppenlaufzeitverzögerungscharakteristiken zur Bestimmung einer Zeichengeschwindigkeit und/oder Zeichenhäufigkeit und einer Trägerfrequenz zum Datentransfer

Country Status (10)

Country Link
US (1) US5870429A (de)
KR (1) KR100274770B1 (de)
CN (1) CN1148886C (de)
AU (1) AU3376497A (de)
BR (1) BR9702298B1 (de)
DE (1) DE19780625B4 (de)
GB (1) GB2319153B (de)
HK (1) HK1016766A1 (de)
RU (1) RU2155454C2 (de)
WO (1) WO1997049212A2 (de)

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US9560371B2 (en) * 2003-07-30 2017-01-31 Avocent Corporation Video compression system
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US7457461B2 (en) * 2004-06-25 2008-11-25 Avocent Corporation Video compression noise immunity
US9088355B2 (en) * 2006-03-24 2015-07-21 Arris Technology, Inc. Method and apparatus for determining the dynamic range of an optical link in an HFC network
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US7876697B2 (en) * 2006-10-26 2011-01-25 General Instrument Corporation Method and apparatus for characterizing modulation schemes in an HFC network
US8537972B2 (en) * 2006-12-07 2013-09-17 General Instrument Corporation Method and apparatus for determining micro-reflections in a network
US8516532B2 (en) * 2009-07-28 2013-08-20 Motorola Mobility Llc IP video delivery using flexible channel bonding
US8526485B2 (en) * 2009-09-23 2013-09-03 General Instrument Corporation Using equalization coefficients of end devices in a cable television network to determine and diagnose impairments in upstream channels
US8472278B2 (en) 2010-04-09 2013-06-25 Qualcomm Incorporated Circuits, systems and methods for adjusting clock signals based on measured performance characteristics
US8867561B2 (en) 2010-05-10 2014-10-21 Comcast Cable Communications, Llc Managing upstream transmission in a network
US8654640B2 (en) 2010-12-08 2014-02-18 General Instrument Corporation System and method for IP video delivery using distributed flexible channel bonding
US8937992B2 (en) 2011-08-30 2015-01-20 General Instrument Corporation Method and apparatus for updating equalization coefficients of adaptive pre-equalizers
US8576705B2 (en) 2011-11-18 2013-11-05 General Instrument Corporation Upstream channel bonding partial service using spectrum management
US9113181B2 (en) 2011-12-13 2015-08-18 Arris Technology, Inc. Dynamic channel bonding partial service triggering
US8837302B2 (en) 2012-04-27 2014-09-16 Motorola Mobility Llc Mapping a network fault
US8868736B2 (en) 2012-04-27 2014-10-21 Motorola Mobility Llc Estimating a severity level of a network fault
US8867371B2 (en) 2012-04-27 2014-10-21 Motorola Mobility Llc Estimating physical locations of network faults
US9003460B2 (en) 2012-04-27 2015-04-07 Google Technology Holdings LLC Network monitoring with estimation of network path to network element location
US9065731B2 (en) 2012-05-01 2015-06-23 Arris Technology, Inc. Ensure upstream channel quality measurement stability in an upstream channel bonding system using T4 timeout multiplier
US9136943B2 (en) 2012-07-30 2015-09-15 Arris Technology, Inc. Method of characterizing impairments detected by equalization on a channel of a network
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US9137164B2 (en) 2012-11-15 2015-09-15 Arris Technology, Inc. Upstream receiver integrity assessment for modem registration
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Also Published As

Publication number Publication date
KR19990036441A (ko) 1999-05-25
WO1997049212A3 (en) 1998-02-12
BR9702298B1 (pt) 2008-11-18
GB2319153B (en) 2000-08-30
AU3376497A (en) 1998-01-07
GB9802776D0 (en) 1998-04-08
CN1196841A (zh) 1998-10-21
DE19780625B4 (de) 2004-05-06
GB2319153A (en) 1998-05-13
RU2155454C2 (ru) 2000-08-27
BR9702298A (pt) 1999-06-29
HK1016766A1 (en) 1999-11-05
KR100274770B1 (ko) 2000-12-15
WO1997049212A2 (en) 1997-12-24
CN1148886C (zh) 2004-05-05
US5870429A (en) 1999-02-09

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8607 Notification of search results after publication
8128 New person/name/address of the agent

Representative=s name: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 8033

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

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US

R081 Change of applicant/patentee

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US

Free format text: FORMER OWNER: MOTOROLA, INC., SCHAUMBURG, ILL., US

Effective date: 20110324

R071 Expiry of right