AU2002340763A8 - Method and system for controlling amplifier power in an optical communications network having add/drop capability - Google Patents

Method and system for controlling amplifier power in an optical communications network having add/drop capability

Info

Publication number
AU2002340763A8
AU2002340763A8 AU2002340763A AU2002340763A AU2002340763A8 AU 2002340763 A8 AU2002340763 A8 AU 2002340763A8 AU 2002340763 A AU2002340763 A AU 2002340763A AU 2002340763 A AU2002340763 A AU 2002340763A AU 2002340763 A8 AU2002340763 A8 AU 2002340763A8
Authority
AU
Australia
Prior art keywords
add
communications network
optical communications
amplifier power
controlling amplifier
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.)
Abandoned
Application number
AU2002340763A
Other versions
AU2002340763A1 (en
Inventor
James E Degrange Jr
Sridhar Balakrishnan
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.)
Ciena Corp
Original Assignee
Ciena 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
Priority claimed from US09/916,859 external-priority patent/US6614589B2/en
Priority claimed from US09/917,042 external-priority patent/US6600596B2/en
Application filed by Ciena Corp filed Critical Ciena Corp
Publication of AU2002340763A1 publication Critical patent/AU2002340763A1/en
Publication of AU2002340763A8 publication Critical patent/AU2002340763A8/en
Abandoned 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
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0775—Performance monitoring and measurement of transmission parameters
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
AU2002340763A 2001-05-09 2002-05-03 Method and system for controlling amplifier power in an optical communications network having add/drop capability Abandoned AU2002340763A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US28967201P 2001-05-09 2001-05-09
US60/289,672 2001-05-09
US09/916,859 US6614589B2 (en) 2001-05-09 2001-07-27 Method and system for controlling amplifier power in an optical communications network
US09/916,859 2001-07-27
US09/917,042 2001-07-27
US09/917,042 US6600596B2 (en) 2001-05-09 2001-07-27 Method and system for controlling amplifier power in an optical communications network having add/drop capability
PCT/US2002/014183 WO2002091027A2 (en) 2001-05-09 2002-05-03 Method and system for controlling amplifier power in an optical communications network having add/drop capability

Publications (2)

Publication Number Publication Date
AU2002340763A1 AU2002340763A1 (en) 2002-11-18
AU2002340763A8 true AU2002340763A8 (en) 2009-07-30

Family

ID=27403920

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002340763A Abandoned AU2002340763A1 (en) 2001-05-09 2002-05-03 Method and system for controlling amplifier power in an optical communications network having add/drop capability

Country Status (2)

Country Link
AU (1) AU2002340763A1 (en)
WO (1) WO2002091027A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL153941A (en) * 2003-01-14 2008-06-05 Eci Telecom Ltd Technique for power control in optical networks
DE10349891A1 (en) 2003-10-25 2005-05-25 Marconi Communications Gmbh Optical network and repeater node for it

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5229876A (en) * 1990-03-26 1993-07-20 At&T Bell Laboratories Telemetry for optical fiber amplifier repeater
US5471334A (en) * 1992-10-21 1995-11-28 Nippon Telegraph And Telephone Corporation Method and apparatus for monitoring noise figure of optical amplifier
FR2703531B1 (en) * 1993-03-30 1995-05-19 Cit Alcatel Device for evaluating the transmission quality of an optical amplifier equipment.
GB2280560B (en) * 1993-07-31 1997-09-03 Northern Telecom Ltd Communications system
CA2155693C (en) * 1994-08-25 1999-12-14 Daniel A. Fishman Performance monitoring and fault location in optical transmission systems
JP3306693B2 (en) * 1995-01-19 2002-07-24 富士通株式会社 Optical amplifier, optical wavelength division multiplexing communication system, optical terminal equipment and optical repeater
US5532864A (en) * 1995-06-01 1996-07-02 Ciena Corporation Optical monitoring channel for wavelength division multiplexed optical communication system
JPH0964819A (en) * 1995-08-23 1997-03-07 Fujitsu Ltd Optical system
US5673129A (en) * 1996-02-23 1997-09-30 Ciena Corporation WDM optical communication systems with wavelength stabilized optical selectors
JPH09321701A (en) * 1996-05-31 1997-12-12 Fujitsu Ltd Optical communication system and optical amplifier
JPH10229386A (en) * 1997-02-17 1998-08-25 Nec Corp Optical fiber amplifier and optical communication using the same
US6163392A (en) * 1997-05-23 2000-12-19 Ciena Corporation Distributed intelligence wavelength division multiplexed network
EP0988727B1 (en) * 1997-05-27 2008-10-15 Ciena Corporation Span management system for wavelength division multiplexed network
US5986782A (en) * 1997-05-29 1999-11-16 Ciena Corporation Signal-to-noise monitoring in WDM optical communication systems
US6344915B1 (en) * 1997-06-20 2002-02-05 Ciena Corporation System and method for shutting off an optical energy source in a communication system having optical amplifiers
JP3549716B2 (en) * 1997-11-28 2004-08-04 日本電気株式会社 Optical ADM device
US6115157A (en) * 1997-12-24 2000-09-05 Nortel Networks Corporation Methods for equalizing WDM systems
US6441955B1 (en) * 1998-02-27 2002-08-27 Fujitsu Limited Light wavelength-multiplexing systems
JPH11331127A (en) * 1998-05-19 1999-11-30 Fujitsu Ltd Wavelength division multiplex system and terminal station thereof
US6163399A (en) * 1998-12-08 2000-12-19 Nortel Networks Limited Method and apparatus for suppressing transients in optical amplifiers
US6433903B1 (en) * 1999-12-29 2002-08-13 Sycamore Networks, Inc. Optical management channel for wavelength division multiplexed systems
US6313940B1 (en) * 1999-12-31 2001-11-06 Lucent Technologies Inc. System based control of optical amplifier transmission functions
US6421167B1 (en) * 2000-03-03 2002-07-16 General Dynamics Advanced Technology Systems, Inc. Multiple function bandwidth management systems
JP3242095B2 (en) * 2000-05-16 2001-12-25 矢崎総業株式会社 fuse
IT1320596B1 (en) * 2000-08-18 2003-12-10 Marconi Comm Spa OPTICAL TRANSMISSION SYSTEM.

Also Published As

Publication number Publication date
WO2002091027A3 (en) 2009-06-11
AU2002340763A1 (en) 2002-11-18
WO2002091027A2 (en) 2002-11-14

Similar Documents

Publication Publication Date Title
AU2002232551A1 (en) Method and system for providing services in communications networks
AU2002214011A1 (en) Method and telecommunications network for controlling an external device
AU2002353711A1 (en) Method and system for high-speed communication over power line
AU2003256690A8 (en) Method and system for providing protection in an optical communication network
EP1403797A4 (en) Communication system using communication network and communication method
AU2002259015A1 (en) Power management system and method
AU2002256393A1 (en) Power management system and method
EP1248388A4 (en) Method and system for controlling transmission power
AU2002240526A1 (en) System and method for controlling distribution of network communications
AU2002235130A1 (en) Method and system for providing communications services
AU2035801A (en) System and method for scheduling communication sessions in an ad-hoc network
AU2002302233A1 (en) Payment method and system for telecommunications
AU2001229662A1 (en) System and method for modeling communication networks
AU5056401A (en) Communications method and system
AU2002327912A1 (en) Method and computer system for securing communication in networks
AU2002337538A1 (en) Method and arrangement for congestion control in distributed communication networks
AU2002314812A1 (en) Personal communications system and method
AU2001275092A1 (en) Device and method for optical performance monitoring in an optical communications network
AU2002351102A1 (en) Telecommunications network control method and network with said system
IL145262A0 (en) Method and system for channel count and power control in optical networks
AU2002340763A8 (en) Method and system for controlling amplifier power in an optical communications network having add/drop capability
GB2373420B (en) Communications system and method
AU5661401A (en) Communications system and method
EP1265416A3 (en) System and method for controlling data access in mobile networks
AU2002340761A1 (en) Method and system for determining channel power in an optical communications network

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase