IN2014DN09863A - - Google Patents

Download PDF

Info

Publication number
IN2014DN09863A
IN2014DN09863A IN9863DEN2014A IN2014DN09863A IN 2014DN09863 A IN2014DN09863 A IN 2014DN09863A IN 9863DEN2014 A IN9863DEN2014 A IN 9863DEN2014A IN 2014DN09863 A IN2014DN09863 A IN 2014DN09863A
Authority
IN
India
Prior art keywords
arm
dual
access subnetwork
wavelength channels
filter
Prior art date
Application number
Other languages
English (en)
Inventor
Stefan Dahlfort
Ming Xia
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
Publication of IN2014DN09863A publication Critical patent/IN2014DN09863A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/0209Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/021Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/021Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0201Add-and-drop multiplexing
    • H04J14/0202Arrangements therefor
    • H04J14/0213Groups of channels or wave bands arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
  • Optical Integrated Circuits (AREA)
IN9863DEN2014 2012-05-30 2013-05-08 IN2014DN09863A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/484,115 US8929738B2 (en) 2012-05-30 2012-05-30 Resilience in an access subnetwork ring
PCT/IB2013/053722 WO2013179161A1 (fr) 2012-05-30 2013-05-08 Résilience dans un anneau de réseau secondaire d'accès

Publications (1)

Publication Number Publication Date
IN2014DN09863A true IN2014DN09863A (fr) 2015-08-07

Family

ID=48748300

Family Applications (1)

Application Number Title Priority Date Filing Date
IN9863DEN2014 IN2014DN09863A (fr) 2012-05-30 2013-05-08

Country Status (6)

Country Link
US (1) US8929738B2 (fr)
EP (1) EP2856676A1 (fr)
CN (1) CN104521163A (fr)
BR (1) BR112014027756A2 (fr)
IN (1) IN2014DN09863A (fr)
WO (1) WO2013179161A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9780878B2 (en) 2014-03-21 2017-10-03 The Boeing Company Bandwidth optimization and hitless transport in dynamic free space optical communications networks
WO2015157990A1 (fr) * 2014-04-18 2015-10-22 索尔思光电(成都)有限公司 Module d'émetteur-récepteur optique parallèle nxn
EP3334072B1 (fr) 2015-09-08 2021-05-26 Huawei Technologies Co., Ltd. Noeud oadm dans un système wdm et procédé
EP3425827B1 (fr) * 2016-02-29 2021-01-20 Nec Corporation Dispositif de transmission optique
EP3830981B1 (fr) * 2018-08-03 2025-11-26 CommScope Technologies LLC Modules séparateurs pour corps terminaux
US12489528B2 (en) * 2022-12-27 2025-12-02 Nvidia Corporation Bi-directional optical communication modules and cables

Family Cites Families (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4809362A (en) 1987-03-13 1989-02-28 Center For Innovative Technology Fiber-optic star tree network
DE69131092T2 (de) 1990-12-06 1999-08-12 Nec Corp., Tokio/Tokyo Verfahren zum Senden und Empfangen von kohärenten Lichtsignalen
US6631018B1 (en) * 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
US6067288A (en) 1997-12-31 2000-05-23 Alcatel Usa Sourcing, L.P. Performance monitoring delay modules
US6567429B1 (en) 1998-06-02 2003-05-20 Dynamics Research Corporation Wide area multi-service broadband network
BR9916589A (pt) 1998-12-24 2001-09-25 Optical Technologies Italia Multiplexador de adição/diminuição acusto-ótico, conexão cruzada óptica seletiva de comprimento de onda, dispositivo de guia de onda acusto-ótica seletivo em comprimento de onde e método de multiplexação de canais ópticos
US6687463B1 (en) 1999-06-09 2004-02-03 Alcatel Communications, Inc. Communication system and method with optical banding
WO2000076105A1 (fr) 1999-06-09 2000-12-14 Astral Point Communications, Inc. Procede et systeme de communication avec structure de bande et bus de gestion optiques
US6947670B1 (en) * 1999-06-30 2005-09-20 Lucent Technologies Inc. Optical add/drop arrangement for ring networks employing wavelength division multiplexing
US20010046350A1 (en) 2000-02-25 2001-11-29 Tedesco James M. Configurable Wavelength routing device
US6633695B2 (en) 2000-03-06 2003-10-14 Cidra Corporation Compression-tuned grating-based optical add/drop multiplexer
US7499647B2 (en) 2000-05-22 2009-03-03 Opvista Incorporated Fully protected broadcast and select all optical network
US6973229B1 (en) 2001-02-28 2005-12-06 Lambda Opticalsystems Corporation Node architecture for modularized and reconfigurable optical networks, and methods and apparatus therefor
SE523986C2 (sv) 2001-03-09 2004-06-15 Lumentis Ab Optiskt WDM-Ringnät för flexibla förbindelser
IL143368A (en) 2001-05-24 2006-07-05 Shlomo Orbach Multiply up and down optical signals
CN1316844A (zh) * 2001-06-01 2001-10-10 清华大学 双纤双向环网用光分插复用模块
US7599620B2 (en) 2001-06-01 2009-10-06 Nortel Networks Limited Communications network for a metropolitan area
WO2003052978A1 (fr) 2001-12-18 2003-06-26 Lumentis Ab Reseau mrl bidirectionnel protege
GB0200177D0 (en) * 2002-01-04 2002-02-20 Marconi Comm Ltd Noise reduction in optical communications networks
US7076163B2 (en) * 2002-03-27 2006-07-11 Fujitsu Limited Method and system for testing during operation of an open ring optical network
US7200331B2 (en) 2002-07-15 2007-04-03 Lucent Technologies Inc. Wavelength routing on an optical metro network subtended off an agile core optical network
AU2003275011A1 (en) 2002-09-20 2004-04-08 The Research Foundation Of The State University Of New York At Buffalo Efficient optical network design using multi-granular optical cross-connects with wavelength band switching
JP4211918B2 (ja) 2003-02-27 2009-01-21 富士通株式会社 光通信システム
JP4265918B2 (ja) 2003-02-27 2009-05-20 富士通株式会社 光伝送装置
US7483636B2 (en) * 2003-07-28 2009-01-27 Fujitsu Limited Optical network with sub-band rejection and bypass
US7181095B1 (en) * 2003-07-29 2007-02-20 Cisco Technology, Inc. Low loss, noise filtering multiplexer/demultiplexer for reconfigurable OADMs
CN1255965C (zh) * 2003-09-30 2006-05-10 烽火通信科技股份有限公司 一种基于波长或波带保护的光分插复用节点装置
US20050185884A1 (en) 2004-01-23 2005-08-25 Haus Hermann A. Single-level no-crossing microelectromechanical hitless switch for high density integrated optics
FR2866765B1 (fr) * 2004-02-23 2006-05-19 Cit Alcatel Reseau de transmission optique en anneau
WO2006035520A1 (fr) 2004-09-29 2006-04-06 Fujitsu Limited Dispositif d’insertion/branchement de lumiere et systeme de reseau optique
US7826743B2 (en) 2004-11-22 2010-11-02 Fujitsu Limited Optical ring network for extended broadcasting
JP4638754B2 (ja) 2005-03-18 2011-02-23 富士通株式会社 光装置および光クロスコネクト装置
US8032027B2 (en) 2005-07-25 2011-10-04 Massachusetts Institute Of Technology Wide free-spectral-range, widely tunable and hitless-switchable optical channel add-drop filters
DE102005051292A1 (de) 2005-10-26 2006-12-28 Siemens Ag Add-Drop-Einrichtung für Wellenlängen-Multiplex-Signale
DE602005023793D1 (de) 2005-11-29 2010-11-04 Telecom Italia Spa Optimiertes dynamisches routen in einem optischen netzwerk
JP4494357B2 (ja) 2006-03-08 2010-06-30 富士通株式会社 パス経路計算方法及び,この方法を適用する光通信ネットワーク
CN100403078C (zh) * 2006-06-23 2008-07-16 华为技术有限公司 一种光分插复用装置、系统及其升级扩展方法
US7706688B2 (en) 2006-07-17 2010-04-27 University Of Ottawa Wavelength reconfigurable optical network
US8111994B2 (en) 2006-08-16 2012-02-07 Massachusetts Institute Of Technology Balanced bypass circulators and folded universally-balanced interferometers
US7974533B2 (en) 2006-12-14 2011-07-05 Verizon Patent And Licensing Inc. Long reach optical network
WO2008118465A2 (fr) 2007-03-26 2008-10-02 Massachusetts Institute Of Technology Accord et commutation sans discontinuité de l'amplitude et des réponses en phase d'un résonateur optique
KR100875934B1 (ko) 2007-06-25 2008-12-26 한국전자통신연구원 멀티링 네트워크 운영방법 및 장치
US20090047019A1 (en) 2007-08-13 2009-02-19 Paparao Palacharla Method and System for Communicating Optical Traffic
JP5545212B2 (ja) 2008-05-26 2014-07-09 日本電気株式会社 波長パス通信ノード装置、波長パス通信制御方法、プログラム、および記録媒体
EP2332276B1 (fr) 2008-09-04 2012-01-25 Telefonaktiebolaget L M Ericsson (PUBL) Réseaux optiques passifs
US8554074B2 (en) 2009-05-06 2013-10-08 Ciena Corporation Colorless, directionless, and gridless optical network, node, and method
US9485050B2 (en) 2009-12-08 2016-11-01 Treq Labs, Inc. Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networks
EP2385642B1 (fr) 2010-05-07 2012-10-17 ADVA AG Optical Networking Procédé de fourniture de protection dans un réseau de communication optique contre des défaillances de connexion
WO2012025148A1 (fr) 2010-08-24 2012-03-01 Telefonaktiebolaget L M Ericsson (Publ) Procédé et appareil d'allocation de longueur d'onde dynamique dans des réseaux optiques à commutation de longueur d'onde
US9077481B2 (en) 2010-08-24 2015-07-07 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for dynamic wavelength allocation in wavelength switched optical networks
US8909043B2 (en) 2011-02-04 2014-12-09 Nec Laboratories America, Inc. Routing, wavelength assignment, and spectrum allocation in wavelength convertible flexible optical wavelength-division multiplexing networks
US8873962B2 (en) 2011-03-30 2014-10-28 Nec Laboratories America, Inc. Method for traffic grooming, wavelength assignment and spectrum allocation
US20130243416A1 (en) 2012-03-14 2013-09-19 Stefan Dahlfort Optical network architecture for transporting wdm traffic
US9112635B2 (en) 2012-06-13 2015-08-18 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for a passive access subnetwork

Also Published As

Publication number Publication date
CN104521163A (zh) 2015-04-15
US8929738B2 (en) 2015-01-06
EP2856676A1 (fr) 2015-04-08
BR112014027756A2 (pt) 2017-06-27
WO2013179161A1 (fr) 2013-12-05
US20130322883A1 (en) 2013-12-05

Similar Documents

Publication Publication Date Title
IN2014DN09863A (fr)
KR101410158B1 (ko) 신호 전송 시스템, 방법 및 관련 장치
US8849119B2 (en) Wavelength-shifted bidirectional wavelength division multiplexing optical network
MX2012000366A (es) Sistema de comunicacion y metodo para transmitir directamente señales entre los nodos de un sistema de comunicacion.
EP2191598A4 (fr) Extension de convergence de transmission de réseau optique passif gigabit pour accès de prochaine génération
WO2012039542A3 (fr) Appareil de multiplexage et de démultiplexage par répartition en longueur d'onde
MX362068B (es) Arreglo de multiplexor de división de onda para redes de celda pequeña.
MY175277A (en) Ftth network based optical fiber, and wireless hybrid access system and hybrid access method
MX355508B (es) Sistemas y metodos para dispositivos de consumo en redes.
WO2012161553A3 (fr) Système de communication optique à multiplexage par répartition en longueur d'onde et procédé de mesure d'une performance optique d'un signal de sortie destiné au système
CN104937883A (zh) 发现方法、光通信方法和光通信系统
IN2015DN00233A (fr)
JP5853822B2 (ja) 加入者側装置登録方法
WO2014175835A1 (fr) Architecture de réseau optique pour centre de données
EP2274843A4 (fr) Source de lumière protégée pour de multiples réseaux optiques passifs à multiplexage par répartition en longueur d'onde (wdm-pon)
CN102752066A (zh) 无缝融合多种拓朴网络架构的基于wdm的环形pon
PH12013502232A1 (en) Communication system and method for transmitting data to one or more groups of nodes in a communication system
CN105027476A (zh) 信号处理方法及用于其的双向cwdm环形网络系统
CN105144615A (zh) 利用波长重用增加wdm-pon的容量
FR2984644B1 (fr) Reseau afdx a reseau d'acces optique passif
EP2347529A4 (fr) Système de communications comportant un laser accordable
BR112015012606A2 (pt) invólucro para fibra óptica
Hashimoto et al. Design and control system over WWW for regional CWDM optical IP networks with reconfigurable optical add/drop multiplexers
CN205232243U (zh) 基于波分复用的以太无源光网传输系统
WO2012103851A3 (fr) Nœud distant et système de réseau optique passif