DE602005007470D1 - Verfahren und vorrichtung zum synchronisieren über 802.3af - Google Patents

Verfahren und vorrichtung zum synchronisieren über 802.3af

Info

Publication number
DE602005007470D1
DE602005007470D1 DE602005007470T DE602005007470T DE602005007470D1 DE 602005007470 D1 DE602005007470 D1 DE 602005007470D1 DE 602005007470 T DE602005007470 T DE 602005007470T DE 602005007470 T DE602005007470 T DE 602005007470T DE 602005007470 D1 DE602005007470 D1 DE 602005007470D1
Authority
DE
Germany
Prior art keywords
twisted wires
pairs
synchronization
sus
assigning
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.)
Active
Application number
DE602005007470T
Other languages
English (en)
Inventor
Tim Whittaker
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602005007470D1 publication Critical patent/DE602005007470D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • 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
    • H04L5/20—Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Small-Scale Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Synchronizing For Television (AREA)
  • Dc Digital Transmission (AREA)
  • Near-Field Transmission Systems (AREA)
DE602005007470T 2004-02-05 2005-02-03 Verfahren und vorrichtung zum synchronisieren über 802.3af Active DE602005007470D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54238704P 2004-02-05 2004-02-05
PCT/IB2005/050454 WO2005076507A1 (en) 2004-02-05 2005-02-03 Mehtod and apparatus for synchronization over 802.3af

Publications (1)

Publication Number Publication Date
DE602005007470D1 true DE602005007470D1 (de) 2008-07-24

Family

ID=34837558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005007470T Active DE602005007470D1 (de) 2004-02-05 2005-02-03 Verfahren und vorrichtung zum synchronisieren über 802.3af

Country Status (8)

Country Link
US (1) US7885250B2 (de)
EP (1) EP1714412B1 (de)
JP (1) JP2007525892A (de)
KR (1) KR20070001120A (de)
CN (1) CN1954526B (de)
AT (1) ATE398365T1 (de)
DE (1) DE602005007470D1 (de)
WO (1) WO2005076507A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030012169A1 (en) * 2001-03-30 2003-01-16 Sunao Takatori Wireless lan system and control method and control and control program of wireless lan system
KR100770860B1 (ko) * 2005-02-21 2007-10-26 삼성전자주식회사 이동통신망과 무선 랜간의 핸드오프 방법 및 장치
US8027299B2 (en) * 2005-11-25 2011-09-27 Gal Zuckerman Hybrid system having multiple downlink channels and a single uplink channel
CN101375560A (zh) * 2006-01-31 2009-02-25 皇家飞利浦电子股份有限公司 用于无线接入点的远程天线
US20070207836A1 (en) * 2006-03-06 2007-09-06 Gormley Eamonn F Wireless base station
US7656855B2 (en) 2006-04-29 2010-02-02 At&T Intellectual Property Ii, Lp Arrangement for synchronizing access points in WLAN using direct-sequence spread spectrum signaling
US8325767B2 (en) 2006-09-29 2012-12-04 Agilent Technologies, Inc. Enhancement of IEEE 1588 synchronization using out-of-band communication path
US8054823B2 (en) 2007-06-18 2011-11-08 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
US9332515B2 (en) 2007-06-18 2016-05-03 Texas Instruments Incorporated Mapping schemes for secondary synchronization signal scrambling
FR2920623B1 (fr) * 2007-09-03 2011-09-23 Airbus France Dispositif de commutation de trames pour reseau afdx.
US20100208777A1 (en) * 2009-02-17 2010-08-19 Adc Telecommunications, Inc. Distributed antenna system using gigabit ethernet physical layer device
CA2761377A1 (en) * 2009-05-20 2010-11-25 Peter Graham Foster Synchronous network of superspeed and non-superspeed usb devices
KR100950342B1 (ko) * 2009-12-29 2010-03-31 인텔라 주식회사 인터넷망을 이용하고 압축 알고리즘을 적용한 통합형 중계기
CA2838054C (en) 2011-06-09 2019-08-20 Andrew Llc Distributed antenna system using power-over-ethernet
CN103152304B (zh) * 2011-12-07 2015-06-03 福建联拓科技有限公司 一种dPMR延迟接入方法及装置
GB2509174A (en) * 2012-12-24 2014-06-25 Cambium Networks Ltd Passive circuit for signaling synchronization information over an Ethernet cable, with inductive coupling through a common magnetic core
US9295142B1 (en) 2015-01-15 2016-03-22 Leviton Manufacturing Co., Inc. Power over Ethernet lighting system
US10278264B2 (en) 2016-08-29 2019-04-30 Leviton Manufacturing Co., Inc. System for preventing excessive cable heating in power over ethernet-based lighting systems
US10051715B2 (en) 2016-11-15 2018-08-14 Leviton Manufacturing Co., Inc. Power over Ethernet-based track lighting system
EP3346654A1 (de) * 2017-01-05 2018-07-11 Alcatel Lucent Vorrichtung zur übertragung eines synchronisationssignals

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US4689786A (en) * 1985-03-21 1987-08-25 Apple Computer, Inc. Local area network with self assigned address method
DE4207986A1 (de) * 1992-03-13 1993-09-16 Sel Alcatel Ag Verfahren zur synchronisierung von basisstationen in einem funktelefonsystem
ES2138349T3 (es) * 1995-05-31 2000-01-01 Siemens Ag Sistema de telecomunicacion celular sin hilos con conexion isdn.
US5994998A (en) * 1997-05-29 1999-11-30 3Com Corporation Power transfer apparatus for concurrently transmitting data and power over data wires
US5991885A (en) * 1997-06-11 1999-11-23 Clarinet Systems, Inc. Method and apparatus for detecting the presence of a remote device and providing power thereto
US6640308B1 (en) 1999-04-16 2003-10-28 Invensys Systems, Inc. System and method of powering and communicating field ethernet device for an instrumentation and control using a single pair of powered ethernet wire
WO2001022659A2 (en) * 1999-09-23 2001-03-29 Digital Harmony Technologies, Inc. Method and apparatus for distributed synchronization signal
DE60035891T2 (de) 1999-11-03 2008-04-24 Qualcomm, Inc., San Diego Pilotsignalsynchronübertragung für ein drahtloses kommunikationssystem
US6535983B1 (en) * 1999-11-08 2003-03-18 3Com Corporation System and method for signaling and detecting request for power over ethernet
US6834192B1 (en) 2000-07-03 2004-12-21 Nokia Corporation Method, and associated apparatus, for effectuating handover of communications in a bluetooth, or other, radio communication system
US20040042499A1 (en) * 2000-12-12 2004-03-04 Piercy Neil Philip Time synchronisation
US7151757B2 (en) * 2001-05-02 2006-12-19 Strix Systems, Inc. Wireless base station to base station synchronization in a communication system, such as a system employing a short-range frequency hopping or time division duplex scheme
EP1286492B1 (de) * 2001-08-20 2008-04-02 Alcatel Lucent Unter Verwendung von Datenübertragung im Phantom-Modus aufgebautes Geisternetzwerk
WO2003069855A1 (en) 2002-02-16 2003-08-21 Qosine Ltd. Method and device for connecting set of devices
US7627002B1 (en) * 2002-09-09 2009-12-01 Aruba Networks, Inc. Mechanism for deploying an access point within a WLAN using a single interconnect

Also Published As

Publication number Publication date
CN1954526B (zh) 2012-08-01
JP2007525892A (ja) 2007-09-06
EP1714412A1 (de) 2006-10-25
EP1714412B1 (de) 2008-06-11
KR20070001120A (ko) 2007-01-03
ATE398365T1 (de) 2008-07-15
CN1954526A (zh) 2007-04-25
WO2005076507A1 (en) 2005-08-18
US7885250B2 (en) 2011-02-08
US20080025287A1 (en) 2008-01-31

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Legal Events

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8364 No opposition during term of opposition