DE60122690D1 - Leistungssteuerungsnetzwerkelement - Google Patents

Leistungssteuerungsnetzwerkelement

Info

Publication number
DE60122690D1
DE60122690D1 DE60122690T DE60122690T DE60122690D1 DE 60122690 D1 DE60122690 D1 DE 60122690D1 DE 60122690 T DE60122690 T DE 60122690T DE 60122690 T DE60122690 T DE 60122690T DE 60122690 D1 DE60122690 D1 DE 60122690D1
Authority
DE
Germany
Prior art keywords
power control
network element
control network
power
network
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
DE60122690T
Other languages
English (en)
Other versions
DE60122690T2 (de
Inventor
Andrew Cook
David Oldershaw
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.)
Ericsson AB
Original Assignee
M (DGP1) Ltd
DGP1 Ltd M
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 M (DGP1) Ltd, DGP1 Ltd M filed Critical M (DGP1) Ltd
Publication of DE60122690D1 publication Critical patent/DE60122690D1/de
Application granted granted Critical
Publication of DE60122690T2 publication Critical patent/DE60122690T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
DE60122690T 2000-03-25 2001-03-16 Leistungssteuerungsnetzwerkelement Expired - Lifetime DE60122690T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0007241A GB2360654A (en) 2000-03-25 2000-03-25 Power controlling network element for adding new channels in a controlled manner
GB0007241 2000-03-25
PCT/GB2001/001160 WO2001073982A1 (en) 2000-03-25 2001-03-16 Power controlling network element

Publications (2)

Publication Number Publication Date
DE60122690D1 true DE60122690D1 (de) 2006-10-12
DE60122690T2 DE60122690T2 (de) 2007-09-20

Family

ID=9888397

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60122690T Expired - Lifetime DE60122690T2 (de) 2000-03-25 2001-03-16 Leistungssteuerungsnetzwerkelement

Country Status (8)

Country Link
US (1) US7254339B2 (de)
EP (1) EP1269662B1 (de)
JP (1) JP4452427B2 (de)
CN (1) CN1203635C (de)
AU (1) AU2001240864A1 (de)
DE (1) DE60122690T2 (de)
GB (1) GB2360654A (de)
WO (1) WO2001073982A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362525B (en) * 2000-05-18 2002-07-24 Marconi Comm Ltd Radiation power equalization in wavelength division multiplexing (WDM) optical communication system
US20030058494A1 (en) * 2001-06-27 2003-03-27 Roberts Kim B. Control of parameters in a global optical controller
GB0213385D0 (en) * 2002-06-11 2002-07-24 Marconi Comm Ltd Maximising power in optical communications networks
US8855500B2 (en) * 2008-10-03 2014-10-07 Telefonaktiebolaget Lm Ericsson Channel power control in an optical link
WO2015139182A1 (zh) * 2014-03-17 2015-09-24 华为技术有限公司 Ue、网络侧设备、功率调整方法及sg确定方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3320452B2 (ja) * 1992-07-15 2002-09-03 沖電気工業株式会社 光中継器の監視制御方式
JPH07240551A (ja) * 1994-03-02 1995-09-12 Fujitsu Ltd 光増幅伝送装置におけるサージ光発生防止方式
JP3306693B2 (ja) * 1995-01-19 2002-07-24 富士通株式会社 光増幅装置，光波長多重通信システム，光端局装置及び光中継装置
JPH08278523A (ja) * 1995-04-05 1996-10-22 Hitachi Ltd 光増幅装置
JP3730299B2 (ja) * 1996-02-07 2005-12-21 富士通株式会社 光等化増幅器および光等化増幅方法
CA2172873C (en) * 1996-03-28 2002-03-12 Kim Byron Roberts Method of determining optical amplifier failures
JP4240551B2 (ja) * 1997-03-19 2009-03-18 富士通株式会社 光増幅装置
JPH10303821A (ja) * 1997-04-25 1998-11-13 Nec Corp 光信号増幅伝送方式
JP2001508990A (ja) * 1997-09-30 2001-07-03 アルカテル ネットワーク システムズ，インコーポレイテッド 光チャネル調整器およびその方法
DE69836670T2 (de) * 1997-10-28 2007-10-04 Nec Corp. Optischer Ein-/Ausfügemultiplexer
EP0936759A2 (de) 1998-02-16 1999-08-18 Hitachi, Ltd. Optisches Übertragungssystem, Endgerät und optischer Empfänger
US6392769B1 (en) * 1999-03-19 2002-05-21 Lucent Technologies Inc. Automatic level control circuit for optical system
US6389046B1 (en) * 1999-04-12 2002-05-14 Agere Systems Guardian Corp. Method to sense laser array power and wavelength and reduce drift for wavelength selection and stabilization

Also Published As

Publication number Publication date
CN1419754A (zh) 2003-05-21
CN1203635C (zh) 2005-05-25
JP2003529281A (ja) 2003-09-30
EP1269662B1 (de) 2006-08-30
US7254339B2 (en) 2007-08-07
AU2001240864A1 (en) 2001-10-08
JP4452427B2 (ja) 2010-04-21
GB2360654A (en) 2001-09-26
US20030138255A1 (en) 2003-07-24
WO2001073982A1 (en) 2001-10-04
EP1269662A1 (de) 2003-01-02
GB0007241D0 (en) 2000-05-17
DE60122690T2 (de) 2007-09-20

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ERICSSON AB, STOCKHOLM, SE

8364 No opposition during term of opposition