DE60144326D1 - Scheiben-bandbreiten-verzerrungsvorhersage - Google Patents

Scheiben-bandbreiten-verzerrungsvorhersage

Info

Publication number
DE60144326D1
DE60144326D1 DE60144326T DE60144326T DE60144326D1 DE 60144326 D1 DE60144326 D1 DE 60144326D1 DE 60144326 T DE60144326 T DE 60144326T DE 60144326 T DE60144326 T DE 60144326T DE 60144326 D1 DE60144326 D1 DE 60144326D1
Authority
DE
Germany
Prior art keywords
test signals
received test
communications medium
approximating
estimating
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
DE60144326T
Other languages
English (en)
Inventor
Patrick D Smith
Robert G Uskali
Michael J Cooper
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 Mobility LLC
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 Mobility LLC filed Critical Motorola Mobility LLC
Application granted granted Critical
Publication of DE60144326D1 publication Critical patent/DE60144326D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/005Control of transmission; Equalising
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0212Channel estimation of impulse response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • H04L1/242Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/06Testing, supervising or monitoring using simulated traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Steroid Compounds (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60144326T 2000-05-15 2001-04-17 Scheiben-bandbreiten-verzerrungsvorhersage Expired - Lifetime DE60144326D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/571,068 US6389068B1 (en) 2000-05-15 2000-05-15 Sliced bandwidth distortion prediction
PCT/US2001/012546 WO2001089130A2 (en) 2000-05-15 2001-04-17 Sliced bandwidth distortion prediction

Publications (1)

Publication Number Publication Date
DE60144326D1 true DE60144326D1 (de) 2011-05-12

Family

ID=24282205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60144326T Expired - Lifetime DE60144326D1 (de) 2000-05-15 2001-04-17 Scheiben-bandbreiten-verzerrungsvorhersage

Country Status (9)

Country Link
US (1) US6389068B1 (de)
EP (1) EP1290810B1 (de)
KR (1) KR20030003735A (de)
CN (1) CN1432220A (de)
AT (1) ATE504119T1 (de)
AU (1) AU2001259084A1 (de)
CA (1) CA2408615C (de)
DE (1) DE60144326D1 (de)
WO (1) WO2001089130A2 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6775840B1 (en) 1997-12-19 2004-08-10 Cisco Technology, Inc. Method and apparatus for using a spectrum analyzer for locating ingress noise gaps
US6574797B1 (en) * 1999-01-08 2003-06-03 Cisco Technology, Inc. Method and apparatus for locating a cleaner bandwidth in a frequency channel for data transmission
ATE374479T1 (de) * 1999-11-02 2007-10-15 Broadcom Corp Verfahren und vorrichtung zur detektion und klassifikation von kollisionen in einem rf-netz mit gemeinsamen zugriff
US7016401B1 (en) 1999-12-22 2006-03-21 Motorola, Inc Method and apparatus for automated correlation of digital modulation impairment
US6731605B1 (en) * 2000-06-19 2004-05-04 Sharp Laboratories Of America, Inc. Prioritized optimal server side bandwidth allocation in a multimedia session with push and pull sources
US7490275B2 (en) 2001-02-02 2009-02-10 Rambus Inc. Method and apparatus for evaluating and optimizing a signaling system
US7104534B2 (en) 2001-06-08 2006-09-12 Broadcom Corporation System and method for detecting collisions in a shared communications medium
DE102005037880A1 (de) * 2005-05-19 2006-11-23 Rohde & Schwarz Gmbh & Co. Kg Verfahren und System zur Ermittlung der Amplitude und/oder Phase des Ausgangssignals eines Übertragungsgliedes in Abhängigkeit der Amplitude des Eingangssignals
US8594118B2 (en) * 2006-03-24 2013-11-26 General Instrument Corporation Method and apparatus for configuring logical channels in a network
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
US8861597B2 (en) * 2006-09-18 2014-10-14 Sharp Laboratories Of America, Inc. Distributed channel time allocation for video streaming over wireless networks
US7876697B2 (en) * 2006-10-26 2011-01-25 General Instrument Corporation Method and apparatus for characterizing modulation schemes in an HFC network
RU2427980C2 (ru) * 2006-11-10 2011-08-27 Фудзицу Лимитед Система беспроводной связи и беспроводное терминальное устройство
US8537972B2 (en) * 2006-12-07 2013-09-17 General Instrument Corporation Method and apparatus for determining micro-reflections in a network
JP4947353B2 (ja) * 2006-12-26 2012-06-06 ソニー株式会社 信号処理装置および信号処理方法、並びにプログラム
EP2350602A1 (de) * 2008-10-27 2011-08-03 Telefonaktiebolaget L M Ericsson (Publ) Verfahren und vorrichtung zum bestimmen einer signaltransferkenngrösse auf einem lichtpfad in einem optischen netzwerk
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
US8488658B1 (en) * 2010-09-17 2013-07-16 Rockwell Collins, Inc. Transmitter linearization technique
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
US8868736B2 (en) 2012-04-27 2014-10-21 Motorola Mobility Llc Estimating a severity level of a network fault
US9003460B2 (en) 2012-04-27 2015-04-07 Google Technology Holdings LLC Network monitoring with estimation of network path to network element location
US8837302B2 (en) 2012-04-27 2014-09-16 Motorola Mobility Llc Mapping a network fault
US8867371B2 (en) 2012-04-27 2014-10-21 Motorola Mobility Llc Estimating physical locations of network faults
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
US9137164B2 (en) 2012-11-15 2015-09-15 Arris Technology, Inc. Upstream receiver integrity assessment for modem registration
US9203639B2 (en) 2012-12-27 2015-12-01 Arris Technology, Inc. Dynamic load balancing under partial service conditions
US9197886B2 (en) 2013-03-13 2015-11-24 Arris Enterprises, Inc. Detecting plant degradation using peer-comparison
US9042236B2 (en) 2013-03-15 2015-05-26 Arris Technology, Inc. Method using equalization data to determine defects in a cable plant
US10477199B2 (en) 2013-03-15 2019-11-12 Arris Enterprises Llc Method for identifying and prioritizing fault location in a cable plant
US9025469B2 (en) 2013-03-15 2015-05-05 Arris Technology, Inc. Method for estimating cable plant topology
JP6255917B2 (ja) * 2013-11-07 2018-01-10 富士通株式会社 無線装置及び無線アクセスシステム
US9702978B2 (en) * 2014-01-16 2017-07-11 Topcon Positioning Systems, Inc. Methods for modeling multipath reflections of GNSS signals using a test installation and apparatuses for implementing test methods
US9596041B2 (en) 2014-07-28 2017-03-14 Broadcom Corporation Noise localization within cable based communication systems
CN106878208B (zh) * 2015-12-11 2020-07-31 富士通株式会社 测量滤波特性的装置、预均衡器、以及光通信设备
CN108291953B (zh) * 2015-12-23 2022-12-27 阿森蒂亚影像有限公司 定位系统及相关方法
CN117837113A (zh) * 2021-08-26 2024-04-05 西门子工业软件有限公司 验证被测设备的数据的完整性的方法
US20230090396A1 (en) * 2021-09-17 2023-03-23 Comcast Cable Communications, Llc Network Management for Band Splits

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864632A (en) * 1973-10-01 1975-02-04 Rockwell International Corp Fast Equalization System
GB1429618A (en) * 1974-06-03 1976-03-24 Hewlett Packard Ltd Circuit arrangement for the measuring of group delay and/or attenuation distortions
US4481645A (en) * 1982-12-29 1984-11-06 At&T Bell Laboratories Linear distortion canceller circuit
US5479447A (en) * 1993-05-03 1995-12-26 The Board Of Trustees Of The Leland Stanford, Junior University Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines
US5825829A (en) * 1995-06-30 1998-10-20 Scientific-Atlanta, Inc. Modulator for a broadband communications system
US5901185A (en) * 1996-04-15 1999-05-04 Ericsson Inc. Systems and methods for data-augmented, pilot-symbol-assisted radiotelephone communications
US5838740A (en) * 1996-04-17 1998-11-17 Motorola, Inc. Crosspole interference canceling receiver for signals with unrelated baud rates
US5943604A (en) * 1997-10-31 1999-08-24 Cisco Technology, Inc. Echo device method for locating upstream ingress noise gaps at cable television head ends
US6144696A (en) * 1997-12-31 2000-11-07 At&T Corp. Spread spectrum bit allocation algorithm
US6246717B1 (en) * 1998-11-03 2001-06-12 Tektronix, Inc. Measurement test set and method for in-service measurements of phase noise
US6212229B1 (en) * 1998-12-16 2001-04-03 General Dynamics Government Systems Corporation Adaptive pre-emphasis technique

Also Published As

Publication number Publication date
WO2001089130A2 (en) 2001-11-22
CA2408615C (en) 2004-09-28
EP1290810B1 (de) 2011-03-30
EP1290810A4 (de) 2009-06-17
ATE504119T1 (de) 2011-04-15
AU2001259084A1 (en) 2001-11-26
US6389068B1 (en) 2002-05-14
CN1432220A (zh) 2003-07-23
EP1290810A2 (de) 2003-03-12
CA2408615A1 (en) 2001-11-22
WO2001089130A3 (en) 2002-03-14
KR20030003735A (ko) 2003-01-10

Similar Documents

Publication Publication Date Title
DE60144326D1 (de) Scheiben-bandbreiten-verzerrungsvorhersage
TW200420054A (en) Channel estimation in OFDM systems
US10219238B2 (en) OTDOA in LTE networks
US6201960B1 (en) Speech quality measurement based on radio link parameters and objective measurement of received speech signals
EP2442304A1 (de) Kompensator und kompensationsverfahren für den audiorahmenverlust in modifizierten diskreten cosin-umwandlungsdomänen
WO2005057944A3 (en) System and method for interference mitigation for wireless communication
WO2004080106A3 (en) Method and apparatus for providing uplink signal-to-noise ratio (snr) estimation in a wireless communication system
RU2009144135A (ru) Измерения разности времени синхронизации в системах ofdm
AU1303600A (en) Channel estimator with variable number of taps
US20220337328A1 (en) Method and system for generating stationary and non-stationary channel realizations with arbitrary length.
DE602006000899D1 (de) rn eines OFDM-CDMA-Systems
RU2005129096A (ru) Связной радиоприемник с адаптивной длиной компенсатора
AU2004310537A1 (en) Enhancing signals
Cheng et al. Multi-path propagation measurements for vehicular networks at 5.9 GHz
GB2392350B (en) Apparatus and method for detecting a power ratio between traffic channel and a pilot channel in a mobile communication system
WO2005011144A3 (fr) Procede et dispositif pour ameliorer l’estimation d’un canal de propagation d’un signal multiporteuse
WO2006118412A3 (en) An apparaus and method for receiving signals in multi-carrier multiple access systems
US10084636B2 (en) Transmission apparatus, reception apparatus, transmission method, and reception method
CN110430156A (zh) 突发ofdm数据传输的帧同步方法及系统
JP5362303B2 (ja) 受信装置及び受信方法
CN102783108B (zh) 用于估计多普勒频率的方法和设备
Bug et al. WSSUS-channel models for broadband mobile communication systems
Wang et al. Channel estimation with new basis expansion model for wireless communications on high speed railways
TR200103619T2 (tr) Kesirli-aralıklı sönümlü bir radyo kanalı için simge-aralıklı kestirim ve/veya izleme yöntemi
CN101742600B (zh) 同频小区的选择方法和移动终端