DE602005007470D1 - Verfahren und vorrichtung zum synchronisieren über 802.3af - Google Patents
Verfahren und vorrichtung zum synchronisieren über 802.3afInfo
- 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
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)
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)
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)
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 |
-
2005
- 2005-02-03 KR KR1020067015639A patent/KR20070001120A/ko not_active Application Discontinuation
- 2005-02-03 WO PCT/IB2005/050454 patent/WO2005076507A1/en active IP Right Grant
- 2005-02-03 CN CN2005800040296A patent/CN1954526B/zh not_active Expired - Fee Related
- 2005-02-03 AT AT05702888T patent/ATE398365T1/de not_active IP Right Cessation
- 2005-02-03 DE DE602005007470T patent/DE602005007470D1/de active Active
- 2005-02-03 JP JP2006551994A patent/JP2007525892A/ja active Pending
- 2005-02-03 EP EP05702888A patent/EP1714412B1/de not_active Not-in-force
- 2005-02-03 US US10/588,432 patent/US7885250B2/en not_active Expired - Fee Related
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
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |