SE9501075D0 - Anordning och förfarande i ett optiskt bussnät - Google Patents

Anordning och förfarande i ett optiskt bussnät

Info

Publication number
SE9501075D0
SE9501075D0 SE9501075A SE9501075A SE9501075D0 SE 9501075 D0 SE9501075 D0 SE 9501075D0 SE 9501075 A SE9501075 A SE 9501075A SE 9501075 A SE9501075 A SE 9501075A SE 9501075 D0 SE9501075 D0 SE 9501075D0
Authority
SE
Sweden
Prior art keywords
optical
pct
receivers
transmitters
node
Prior art date
Application number
SE9501075A
Other languages
English (en)
Other versions
SE9501075L (sv
SE503715C2 (sv
Inventor
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 SE9501075A priority Critical patent/SE503715C2/sv
Publication of SE9501075D0 publication Critical patent/SE9501075D0/sv
Priority to PCT/SE1996/000323 priority patent/WO1996031025A1/en
Priority to EP96908416A priority patent/EP0818089B1/en
Priority to US08/930,040 priority patent/US6049405A/en
Priority to KR1019970706764A priority patent/KR100432310B1/ko
Priority to CA002216370A priority patent/CA2216370C/en
Priority to AU51657/96A priority patent/AU705433B2/en
Priority to JP52924896A priority patent/JP3795079B2/ja
Priority to CN96193966A priority patent/CN1075300C/zh
Priority to BR9607759A priority patent/BR9607759A/pt
Priority to DE69634149T priority patent/DE69634149T2/de
Publication of SE9501075L publication Critical patent/SE9501075L/sv
Publication of SE503715C2 publication Critical patent/SE503715C2/sv
Priority to MXPA/A/1997/007326A priority patent/MXPA97007326A/xx

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
    • H04B10/27—Arrangements for networking
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/278—Bus-type networks
    • 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]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • 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
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
    • 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
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0249—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU
    • H04J14/025—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU using one wavelength per ONU, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0256—Optical medium access at the optical channel layer
    • 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
    • H04J14/028—WDM bus 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0305—WDM arrangements in end terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0307—Multiplexers; Demultiplexers
    • 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
    • H04J14/0215—Architecture aspects
    • H04J14/0219—Modular or upgradable architectures
    • 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
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0267—Optical signaling or routing
    • H04J14/0268—Restoration of optical paths, e.g. p-cycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
SE9501075A 1995-03-27 1995-03-27 Optisk nod i ett optiskt bussnät SE503715C2 (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE9501075A SE503715C2 (sv) 1995-03-27 1995-03-27 Optisk nod i ett optiskt bussnät
DE69634149T DE69634149T2 (de) 1995-03-27 1996-03-13 Optischer knoten in einem optischen busnetz
AU51657/96A AU705433B2 (en) 1995-03-27 1996-03-13 Optical node in an optical bus network
EP96908416A EP0818089B1 (en) 1995-03-27 1996-03-13 Optical node in an optical bus network
US08/930,040 US6049405A (en) 1995-03-27 1996-03-13 Optical node in an optical bus network
KR1019970706764A KR100432310B1 (ko) 1995-03-27 1996-03-13 광버스네트워크의광노드
CA002216370A CA2216370C (en) 1995-03-27 1996-03-13 Optical node in an optical bus network
PCT/SE1996/000323 WO1996031025A1 (en) 1995-03-27 1996-03-13 Optical node in an optical bus network
JP52924896A JP3795079B2 (ja) 1995-03-27 1996-03-13 光バス回路網の光ノード
CN96193966A CN1075300C (zh) 1995-03-27 1996-03-13 光总线网络中的光节点
BR9607759A BR9607759A (pt) 1995-03-27 1996-03-13 Nó ótico
MXPA/A/1997/007326A MXPA97007326A (en) 1995-03-27 1997-09-25 Optico nudo in a network of transfer via optinformacion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501075A SE503715C2 (sv) 1995-03-27 1995-03-27 Optisk nod i ett optiskt bussnät

Publications (3)

Publication Number Publication Date
SE9501075D0 true SE9501075D0 (sv) 1995-03-27
SE9501075L SE9501075L (sv) 1996-08-12
SE503715C2 SE503715C2 (sv) 1996-08-12

Family

ID=20397682

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9501075A SE503715C2 (sv) 1995-03-27 1995-03-27 Optisk nod i ett optiskt bussnät

Country Status (11)

Country Link
US (1) US6049405A (sv)
EP (1) EP0818089B1 (sv)
JP (1) JP3795079B2 (sv)
KR (1) KR100432310B1 (sv)
CN (1) CN1075300C (sv)
AU (1) AU705433B2 (sv)
BR (1) BR9607759A (sv)
CA (1) CA2216370C (sv)
DE (1) DE69634149T2 (sv)
SE (1) SE503715C2 (sv)
WO (1) WO1996031025A1 (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6115155A (en) * 1996-10-29 2000-09-05 Chorum Technologies Inc. System for dealing with faults in an optical link
AU5889498A (en) * 1997-01-31 1998-08-25 Telefonaktiebolaget Lm Ericsson (Publ) Wdm traffic protection
FI980328A (sv) * 1998-02-13 1999-08-14 Nokia Networks Oy Optiskt telekommunikationsnät
SE520876C2 (sv) * 1998-06-10 2003-09-09 Ericsson Telefon Ab L M ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder
SE521135C2 (sv) 1998-06-17 2003-10-07 Ericsson Telefon Ab L M Ett kommunikationsnät och ett felhanteringsförfarande i ett sådant nät
WO2000004555A2 (de) * 1998-07-15 2000-01-27 Infineon Technologies Ag Speicherzellenanordnung, bei der ein elektrischer widerstand eines speicherelements eine information darstellt und durch ein magnetfeld beeinflussbar ist, und verfahren zu deren herstellung
GB0013366D0 (en) * 2000-06-01 2000-07-26 Vipswitch Inc Optical communicator
US6288812B1 (en) 2000-11-03 2001-09-11 Seneca Networks Bidirectional WDM optical communication network with optical bridge between bidirectional optical waveguides
US6782206B1 (en) 2000-11-27 2004-08-24 Golden Bloom Resources, Ltd. Multi-port optical node
CN100353695C (zh) * 2001-04-11 2007-12-05 模式转换控股公司 低损耗wdm***分出节点
CN1300966C (zh) * 2003-04-09 2007-02-14 华为技术有限公司 波分复用***的板间通道保护方法
US20070122087A1 (en) * 2005-11-30 2007-05-31 Finisar Corporation Optical bus
WO2008031261A1 (en) * 2006-09-05 2008-03-20 Huawei Technologies Co., Ltd. System and method for providing failure protection in optical networks
US7660529B2 (en) * 2006-09-08 2010-02-09 Huawei Technologies Co., Ltd. System and method for providing failure protection in optical networks
US8483564B2 (en) 2009-07-31 2013-07-09 Tyco Electronics Subsea Communications Llc Hybrid optical add-drop multiplexing network and wavelength allocation for the same
US8401392B2 (en) * 2010-02-17 2013-03-19 Tyco Electronics Subsea Communications Llc Flexible branching unit and system including the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5159595A (en) * 1988-04-08 1992-10-27 Northern Telecom Limited Ring transmission system
US5003531A (en) * 1989-08-11 1991-03-26 Infotron Systems Corporation Survivable network using reverse protection ring
EP0519712A3 (en) * 1991-06-18 1993-03-31 Canon Kabushiki Kaisha Bus-type communication network
US5333130A (en) * 1993-05-18 1994-07-26 Alcatel Canada Wire, Inc. Self-healing drop and insert communication network
KR970003527B1 (ko) * 1994-05-14 1997-03-18 재단법인 한국전자통신연구소 파장분할 다중화 방식을 이용한 양방향 다채널 광 링 통신망
SE503258C2 (sv) * 1995-02-06 1996-04-29 Ericsson Telefon Ab L M Förfarande för tilldelning av våglängdskanaler i ett optiskt bussnät
IT1277204B1 (it) * 1995-10-19 1997-11-05 Pirelli S P A Ora Pirelli Cavi Rete di comunicazione ottica trasparente ad anello autoprotetto

Also Published As

Publication number Publication date
DE69634149T2 (de) 2006-02-23
JPH11502984A (ja) 1999-03-09
KR19980703359A (ko) 1998-10-15
US6049405A (en) 2000-04-11
CA2216370A1 (en) 1996-10-03
DE69634149D1 (de) 2005-02-10
CN1075300C (zh) 2001-11-21
KR100432310B1 (ko) 2004-09-08
SE9501075L (sv) 1996-08-12
BR9607759A (pt) 1999-01-19
MX9707326A (es) 1997-11-29
EP0818089A1 (en) 1998-01-14
CN1184572A (zh) 1998-06-10
EP0818089B1 (en) 2005-01-05
SE503715C2 (sv) 1996-08-12
WO1996031025A1 (en) 1996-10-03
AU5165796A (en) 1996-10-16
CA2216370C (en) 2004-01-20
AU705433B2 (en) 1999-05-20
JP3795079B2 (ja) 2006-07-12

Similar Documents

Publication Publication Date Title
SE9501075D0 (sv) Anordning och förfarande i ett optiskt bussnät
GB2257320B (en) An optical communication system
WO1998047039A3 (en) Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
ES8402999A1 (es) "una red de distribucion para senales de television"
GB2289393B (en) Multi-channel optical ring network
FR2512612B1 (fr) Systeme de distribution pour reseau de fibres local
EP0362790A3 (en) Optical fiber communication method and multimedia opitcal fiber network using the same
NO912487D0 (no) Anordning for selektiv fordeling av meldinger over et kommunikasjonsnettverk.
SE9502311D0 (sv) Add/drop multiplexer node
SE9501193D0 (sv) Optiskt nät samt anordning och förfarande i detta
JPS6427329A (en) Fault location supervisory system for optical fiber communication system
EP0869694A3 (en) Wavelength division multiplexing communications network supervisory system
CA2302260A1 (en) Method of packet transmission in communications network
TW350036B (en) Path to provide OTDR measurements of an optical transmission system that includes optical isolators
SE9500404D0 (sv) Förfarande i ett optiskt bussnät
ES2022163B3 (es) Dispositivo de telecomunicaciones fotonicas coherentes.
FR2734648B1 (fr) Source de longueurs d'onde multiples
GB2246487B (en) An optical fibre communication network
SE9400505D0 (sv) Hantering av interaktion mellan tilläggstjänster
ATE118937T1 (de) Optisches zweiwegübertragungssystem.
CA2182384A1 (en) Optical time domain reflectometry
SE9704228L (sv) Datakommunikationsnätverk och -förfarande
JPS57154955A (en) Optical broadcast communication network
MY105517A (en) Fiber optic data link system.
SE9602005D0 (sv) Kanal i data- och telekommunikationssystem

Legal Events

Date Code Title Description
NUG Patent has lapsed