TW328666B - The shared hybrid fiber-coax network having reduced ingress noise - Google Patents

The shared hybrid fiber-coax network having reduced ingress noise

Info

Publication number
TW328666B
TW328666B TW086106415A TW86106415A TW328666B TW 328666 B TW328666 B TW 328666B TW 086106415 A TW086106415 A TW 086106415A TW 86106415 A TW86106415 A TW 86106415A TW 328666 B TW328666 B TW 328666B
Authority
TW
Taiwan
Prior art keywords
hybrid fiber
coax network
ingress noise
information
shared hybrid
Prior art date
Application number
TW086106415A
Other languages
English (en)
Inventor
James E Dail
Original Assignee
At & T Corp
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 At & T Corp filed Critical At & T Corp
Application granted granted Critical
Publication of TW328666B publication Critical patent/TW328666B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12—Arrangements for observation, testing or troubleshooting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4919—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using balanced multilevel codes
    • H04L25/4921—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using balanced multilevel codes using quadrature encoding, e.g. carrierless amplitude-phase coding
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
TW086106415A 1996-05-20 1997-05-14 The shared hybrid fiber-coax network having reduced ingress noise TW328666B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/650,683 US5765097A (en) 1996-05-20 1996-05-20 Shared hybrid fiber-coax network having reduced ingress noise in the upstream channel transmitted via a repeater

Publications (1)

Publication Number Publication Date
TW328666B true TW328666B (en) 1998-03-21

Family

ID=24609870

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086106415A TW328666B (en) 1996-05-20 1997-05-14 The shared hybrid fiber-coax network having reduced ingress noise

Country Status (7)

Country Link
US (1) US5765097A (zh)
EP (1) EP0809403B1 (zh)
JP (1) JPH10107701A (zh)
CA (1) CA2197262C (zh)
DE (1) DE69708505T2 (zh)
HK (1) HK1003535A1 (zh)
TW (1) TW328666B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI785594B (zh) * 2020-05-05 2022-12-01 美商卡赫倫特羅吉克斯公司 混合光纖同軸電纜部署中之具有動態可組態頻段劃分之彈性雙工器

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
JPH1093605A (ja) * 1996-05-13 1998-04-10 Toshiba Corp ケーブル・ネットワークシステムとその伝送路開閉装置、加入者装置、アダプタ装置および流合雑音監視分析装置
US5978650A (en) 1997-01-21 1999-11-02 Adc Telecommunications, Inc. System and method for transmitting data
EP0930743A1 (en) * 1998-01-12 1999-07-21 Alcatel Method of transmitting variable rate data in a communication network
US5955992A (en) * 1998-02-12 1999-09-21 Shattil; Steve J. Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
US6160571A (en) * 1998-05-04 2000-12-12 Isg Broadband, Inc. Compact cable tuner/transceiver
US6598232B1 (en) * 1998-11-10 2003-07-22 Nortel Networks Limited Hybrid amplifier-regenerator for optimizing cable network transmissions
US6262972B1 (en) * 1998-12-31 2001-07-17 Northern Telecom Limited Digital multitone communication trunk
US7016308B1 (en) * 1999-03-19 2006-03-21 Broadband Royalty Corporation Digital return path for hybrid fiber/coax network
US6490727B1 (en) * 1999-10-07 2002-12-03 Harmonic, Inc. Distributed termination system for two-way hybrid networks
US7031335B1 (en) 1999-11-03 2006-04-18 Adc Telecommunications, Inc. Digital node for hybrid fiber/coax network
US6967966B1 (en) 1999-11-03 2005-11-22 Adc Telecommunications, Inc. Digital return path for hybrid fiber/coax network
US6418149B1 (en) * 1999-12-07 2002-07-09 Next Level Communications, L.P. Bi-directional premises wiring system and method
US6788169B1 (en) * 1999-12-29 2004-09-07 Broadband Royalty Corporation Amplifier composite triple beat (CTB) reduction by phase filtering
US6519773B1 (en) * 2000-02-08 2003-02-11 Sherjil Ahmed Method and apparatus for a digitized CATV network for bundled services
US6977958B1 (en) * 2000-02-23 2005-12-20 2Wire, Inc. Differentially-driven loop extender
US6704545B1 (en) 2000-07-19 2004-03-09 Adc Telecommunications, Inc. Point-to-multipoint digital radio frequency transport
US20020124111A1 (en) * 2000-09-22 2002-09-05 Narad Networks, Inc. System and method for message transmission based on intelligent network element device identifiers
US20020075805A1 (en) * 2000-09-22 2002-06-20 Narad Networks, Inc. Broadband system with QOS based packet handling
US7146630B2 (en) * 2000-09-22 2006-12-05 Narad Networks, Inc. Broadband system with intelligent network devices
US7072360B2 (en) * 2000-09-22 2006-07-04 Narad Networks, Inc. Network architecture for intelligent network elements
US20020105965A1 (en) * 2000-09-22 2002-08-08 Narad Networks, Inc. Broadband system having routing identification based switching
US20020085589A1 (en) * 2000-09-22 2002-07-04 Narad Networks, Inc. System and method for assigning network data packet header
US7027394B2 (en) * 2000-09-22 2006-04-11 Narad Networks, Inc. Broadband system with traffic policing and transmission scheduling
US7139247B2 (en) * 2000-09-22 2006-11-21 Narad Networks, Inc. Broadband system with topology discovery
US6948000B2 (en) * 2000-09-22 2005-09-20 Narad Networks, Inc. System and method for mapping end user identifiers to access device identifiers
US20020085552A1 (en) * 2000-09-22 2002-07-04 Narad Networks, Inc., Westford Massachusetts Broadband system having routing identification assignment
US20020097674A1 (en) * 2000-09-22 2002-07-25 Narad Networks, Inc. System and method for call admission control
US8670390B2 (en) 2000-11-22 2014-03-11 Genghiscomm Holdings, LLC Cooperative beam-forming in wireless networks
ATE341854T1 (de) 2000-12-13 2006-10-15 Juniper Networks Inc Tuner für digitalen empfänger mit mehreren eingangskanälen und ausgangskanälen
US7346918B2 (en) * 2000-12-27 2008-03-18 Z-Band, Inc. Intelligent device system and method for distribution of digital signals on a wideband signal distribution system
WO2002063861A1 (en) * 2001-02-06 2002-08-15 2Wire, Inc. Loop extender with communications, control, and diagnostics
EP1358737A4 (en) * 2001-02-06 2009-12-02 2Wire Inc LOOP EXTENSION WITH SELECTIVE LINE TERMINATION AND EQUALIZATION
WO2002071681A1 (en) * 2001-02-06 2002-09-12 2Wire, Inc. Line powered loop extender with communications, control, and diagnostics
WO2002065737A2 (en) * 2001-02-15 2002-08-22 2Wire, Inc. System and method for fault isolation for dsl loop extenders
US20020141347A1 (en) * 2001-03-30 2002-10-03 Harp Jeffrey C. System and method of reducing ingress noise
US6904056B2 (en) * 2001-03-30 2005-06-07 Nokia, Inc. Method and apparatus for improved scheduling technique
US7614074B2 (en) * 2001-04-23 2009-11-03 Scientific-Atlanta, Inc. Burst-mode digital transmitter
US9819449B2 (en) 2002-05-14 2017-11-14 Genghiscomm Holdings, LLC Cooperative subspace demultiplexing in content delivery networks
US10355720B2 (en) 2001-04-26 2019-07-16 Genghiscomm Holdings, LLC Distributed software-defined radio
US10931338B2 (en) 2001-04-26 2021-02-23 Genghiscomm Holdings, LLC Coordinated multipoint systems
US7289567B2 (en) * 2001-04-30 2007-10-30 Motorola, Inc. Apparatus and method for transmitting and receiving data using partial chase combining
US20030055945A1 (en) * 2001-05-08 2003-03-20 Narad Networks, Inc. Language and interface for unified network service creation, provision and deployment
ES2187274B1 (es) * 2001-05-17 2004-08-16 Diseño De Sistemas En Silicio, S.A. Sistema de control automatico de ganancia para sistema de transmision digital ofdm multiusuario sobre red electrica.
EP1410618B1 (en) * 2001-06-08 2009-08-19 Broadcom Corporation Integrated upstream amplifier for cable modems and cable set-top boxes
US20030067659A1 (en) * 2001-09-10 2003-04-10 Kusiolek Richard T. System for upstream broadband transmission
US7039432B2 (en) * 2001-12-04 2006-05-02 General Instrument Corporation Dynamic upstream attenuation for ingress noise reduction
US20030121056A1 (en) * 2001-12-21 2003-06-26 Sorenson Donald C. HFC reverse path using an intelligent dynamic switch
US7184728B2 (en) * 2002-02-25 2007-02-27 Adc Telecommunications, Inc. Distributed automatic gain control system
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US10200227B2 (en) 2002-05-14 2019-02-05 Genghiscomm Holdings, LLC Pre-coding in multi-user MIMO
US9628231B2 (en) 2002-05-14 2017-04-18 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US10142082B1 (en) 2002-05-14 2018-11-27 Genghiscomm Holdings, LLC Pre-coding in OFDM
JPWO2004004299A1 (ja) * 2002-07-01 2005-11-04 アライドテレシスホールディングス株式会社 ｘＤＳＬ中継機器及び通信システム
US6721352B2 (en) * 2002-08-06 2004-04-13 Scientific-Atlanta, Inc. Method and device for detecting the presence of a carrier signal transmitted in the reverse RF path
US8958789B2 (en) * 2002-12-03 2015-02-17 Adc Telecommunications, Inc. Distributed digital antenna system
JP2004361818A (ja) * 2003-06-06 2004-12-24 Fujitsu Ltd 信号光送出部
US7716712B2 (en) * 2003-06-18 2010-05-11 General Instrument Corporation Narrowband interference and identification and digital processing for cable television return path performance enhancement
US7684704B2 (en) 2004-03-25 2010-03-23 Alcatel-Lucent Usa Inc. Method, apparatus and system for the communication of services in an optical access network
US20050216947A1 (en) * 2004-03-29 2005-09-29 Corbin Scott A Upstream data bypass device for a video system
US11184037B1 (en) 2004-08-02 2021-11-23 Genghiscomm Holdings, LLC Demodulating and decoding carrier interferometry signals
US11552737B1 (en) 2004-08-02 2023-01-10 Genghiscomm Holdings, LLC Cooperative MIMO
US11381285B1 (en) 2004-08-02 2022-07-05 Genghiscomm Holdings, LLC Transmit pre-coding
US8184643B2 (en) * 2005-09-14 2012-05-22 Ciena Corporation Device, system, and method for transporting data using combined broadband and legacy network infrastructures
US7599711B2 (en) 2006-04-12 2009-10-06 Adc Telecommunications, Inc. Systems and methods for analog transport of RF voice/data communications
US7805073B2 (en) * 2006-04-28 2010-09-28 Adc Telecommunications, Inc. Systems and methods of optical path protection for distributed antenna systems
US7844273B2 (en) * 2006-07-14 2010-11-30 Lgc Wireless, Inc. System for and method of for providing dedicated capacity in a cellular network
US7848770B2 (en) * 2006-08-29 2010-12-07 Lgc Wireless, Inc. Distributed antenna communications system and methods of implementing thereof
US7817958B2 (en) * 2006-12-22 2010-10-19 Lgc Wireless Inc. System for and method of providing remote coverage area for wireless communications
US8583100B2 (en) 2007-01-25 2013-11-12 Adc Telecommunications, Inc. Distributed remote base station system
US8737454B2 (en) 2007-01-25 2014-05-27 Adc Telecommunications, Inc. Modular wireless communications platform
US20080220731A1 (en) * 2007-03-08 2008-09-11 West Lamar E Reverse path optical link using frequency modulation
US8005050B2 (en) 2007-03-23 2011-08-23 Lgc Wireless, Inc. Localization of a mobile device in distributed antenna communications system
US8270834B2 (en) * 2007-06-13 2012-09-18 West Jr Lamar E Frequency modulated burst mode optical system
US7954131B2 (en) 2007-06-13 2011-05-31 Time Warner Cable Inc. Premises gateway apparatus and methods for use in a content-based network
US20080310846A1 (en) * 2007-06-13 2008-12-18 West Jr Lamar E Frequency modulated burst mode transmitter
US8010116B2 (en) * 2007-06-26 2011-08-30 Lgc Wireless, Inc. Distributed antenna communications system
US9112547B2 (en) * 2007-08-31 2015-08-18 Adc Telecommunications, Inc. System for and method of configuring distributed antenna communications system
US9743142B2 (en) 2008-02-19 2017-08-22 Time Warner Cable Enterprises Llc Multi-stream premises apparatus and methods for use in a content delivery network
US8472868B2 (en) * 2009-05-06 2013-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for MIMO repeater chains in a wireless communication network
US9001811B2 (en) 2009-05-19 2015-04-07 Adc Telecommunications, Inc. Method of inserting CDMA beacon pilots in output of distributed remote antenna nodes
US8863201B2 (en) 2012-01-30 2014-10-14 Time Warner Cable Enterprises Llc Gateway apparatus and methods for providing content and data delivery in a fiber-based content delivery network
US8849122B2 (en) * 2012-04-19 2014-09-30 Time Warner Cable Enterprises, LLC Apparatus and methods for dynamic delivery of optical and non-optical content in a network
US20140040966A1 (en) * 2012-07-10 2014-02-06 Safeciety LLC Multi-Channel Multi-Stream Video Transmission System
EP3108627A4 (en) 2014-02-18 2017-10-11 CommScope Technologies LLC Selectively combining uplink signals in distributed antenna systems
US10499269B2 (en) 2015-11-12 2019-12-03 Commscope Technologies Llc Systems and methods for assigning controlled nodes to channel interfaces of a controller
GB201704277D0 (en) * 2017-03-17 2017-05-03 Technetix Bv Method of segmenting an access network of a hybrid fibre coaxial network
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
US10439723B2 (en) 2017-10-20 2019-10-08 Arris Enterprises Llc Radio frequency over glass system with radio frequency over glass fiber extender
CN113454964A (zh) 2019-01-25 2021-09-28 珍吉斯科姆控股有限责任公司 正交多址和非正交多址
US11343823B2 (en) 2020-08-16 2022-05-24 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
US11917604B2 (en) 2019-01-25 2024-02-27 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
WO2020242898A1 (en) 2019-05-26 2020-12-03 Genghiscomm Holdings, LLC Non-orthogonal multiple access

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835393A (en) * 1972-04-17 1974-09-10 Jerrold Electronics Corp Duplex cable communications network employing automatic gain control utilizing a band limited noise agc pilot
US4959862A (en) * 1988-04-28 1990-09-25 Catel Telecommunications, Inc. Active multichannel video processing hub for optimum transition from fiber to coax
US5390337A (en) * 1992-05-01 1995-02-14 Scientific-Atlanta, Inc. Combination surge and diplex filter for CATV distribution systems
US5408259A (en) * 1993-12-30 1995-04-18 Northern Telecom Limited Data modulation arrangement for selectively distributing data
US5534912A (en) * 1994-04-26 1996-07-09 Bell Atlantic Network Services, Inc. Extended range video on demand distribution system
US5528582A (en) * 1994-07-29 1996-06-18 At&T Corp. Network apparatus and method for providing two way broadband communications
US5606725A (en) * 1994-11-29 1997-02-25 Xel Communications, Inc. Broadband network having an upstream power transmission level that is dynamically adjusted as a function of the bit error rate
US5561404A (en) * 1995-03-28 1996-10-01 Ross Video Limited Amplified serial digital cable equalizer circuit having a high return loss

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI785594B (zh) * 2020-05-05 2022-12-01 美商卡赫倫特羅吉克斯公司 混合光纖同軸電纜部署中之具有動態可組態頻段劃分之彈性雙工器

Also Published As

Publication number Publication date
EP0809403A3 (en) 1999-01-20
DE69708505D1 (de) 2002-01-10
JPH10107701A (ja) 1998-04-24
EP0809403A2 (en) 1997-11-26
EP0809403B1 (en) 2001-11-28
DE69708505T2 (de) 2002-07-18
HK1003535A1 (en) 1998-10-30
CA2197262A1 (en) 1997-11-21
US5765097A (en) 1998-06-09
CA2197262C (en) 2001-04-03

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