SE520943C2 - Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ - Google Patents

Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ

Info

Publication number
SE520943C2
SE520943C2 SE9802070A SE9802070A SE520943C2 SE 520943 C2 SE520943 C2 SE 520943C2 SE 9802070 A SE9802070 A SE 9802070A SE 9802070 A SE9802070 A SE 9802070A SE 520943 C2 SE520943 C2 SE 520943C2
Authority
SE
Sweden
Prior art keywords
node
wavelength
network
add
switches
Prior art date
Application number
SE9802070A
Other languages
English (en)
Swedish (sv)
Other versions
SE9802070D0 (sv
SE9802070L (sv
Inventor
Lars Egnell
Bengt Johansson
Robert Batchellor
Nigel Wood
Magnus Oeberg
Original Assignee
Ericsson Telefon Ab L 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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9802070A priority Critical patent/SE520943C2/sv
Publication of SE9802070D0 publication Critical patent/SE9802070D0/xx
Priority to AU48115/99A priority patent/AU4811599A/en
Priority to PCT/SE1999/000993 priority patent/WO1999065164A2/fr
Priority to AT99931672T priority patent/ATE342617T1/de
Priority to EP99931672A priority patent/EP1086539B1/fr
Priority to DE69933559T priority patent/DE69933559T2/de
Priority to US09/328,385 priority patent/US6590681B1/en
Publication of SE9802070L publication Critical patent/SE9802070L/xx
Publication of SE520943C2 publication Critical patent/SE520943C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • 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
    • H04J14/0202—Arrangements therefor
    • H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • 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
    • H04J14/0202—Arrangements therefor
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • 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
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • 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
    • H04J14/0202—Arrangements therefor
    • H04J14/0213—Groups of channels or wave bands arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection
    • H04J14/0295—Shared protection at the optical channel (1:1, n:m)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0009—Construction using wavelength filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0016—Construction using wavelength multiplexing or demultiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0075—Wavelength grouping or hierarchical aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
SE9802070A 1998-06-10 1998-06-10 Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ SE520943C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9802070A SE520943C2 (sv) 1998-06-10 1998-06-10 Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ
AU48115/99A AU4811599A (en) 1998-06-10 1999-06-08 An optical wdm network having an efficient use of wavelengths and a node therefor
PCT/SE1999/000993 WO1999065164A2 (fr) 1998-06-10 1999-06-08 Reseau optique mrl avec une utilisation de longueurs d'onde et noeud correspondant
AT99931672T ATE342617T1 (de) 1998-06-10 1999-06-08 Optisches wdm netzwerk mit effizientem gebrauch der wellenlängen und knoten dafür verwendeter
EP99931672A EP1086539B1 (fr) 1998-06-10 1999-06-08 Reseau optique mrl avec une utilisation de longueurs d'onde et noeud correspondant
DE69933559T DE69933559T2 (de) 1998-06-10 1999-06-08 Optisches wdm netzwerk mit effizientem gebrauch der wellenlänge und knoten dafür verwendeter
US09/328,385 US6590681B1 (en) 1998-06-10 1999-06-09 Optical WDM network having an efficient use of wavelengths and a node therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802070A SE520943C2 (sv) 1998-06-10 1998-06-10 Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ

Publications (3)

Publication Number Publication Date
SE9802070D0 SE9802070D0 (sv) 1998-06-10
SE9802070L SE9802070L (sv) 2000-02-10
SE520943C2 true SE520943C2 (sv) 2003-09-16

Family

ID=20411655

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802070A SE520943C2 (sv) 1998-06-10 1998-06-10 Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ

Country Status (7)

Country Link
US (1) US6590681B1 (fr)
EP (1) EP1086539B1 (fr)
AT (1) ATE342617T1 (fr)
AU (1) AU4811599A (fr)
DE (1) DE69933559T2 (fr)
SE (1) SE520943C2 (fr)
WO (1) WO1999065164A2 (fr)

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Also Published As

Publication number Publication date
EP1086539A2 (fr) 2001-03-28
WO1999065164A2 (fr) 1999-12-16
WO1999065164A3 (fr) 2000-03-02
DE69933559T2 (de) 2007-02-08
SE9802070D0 (sv) 1998-06-10
SE9802070L (sv) 2000-02-10
US6590681B1 (en) 2003-07-08
ATE342617T1 (de) 2006-11-15
DE69933559D1 (de) 2006-11-23
EP1086539B1 (fr) 2006-10-11
AU4811599A (en) 1999-12-30

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