DE602004016693D1 - Optisches Netzwerk mit Teilbandsperrung und Bypass - Google Patents

Optisches Netzwerk mit Teilbandsperrung und Bypass

Info

Publication number
DE602004016693D1
DE602004016693D1 DE602004016693T DE602004016693T DE602004016693D1 DE 602004016693 D1 DE602004016693 D1 DE 602004016693D1 DE 602004016693 T DE602004016693 T DE 602004016693T DE 602004016693 T DE602004016693 T DE 602004016693T DE 602004016693 D1 DE602004016693 D1 DE 602004016693D1
Authority
DE
Germany
Prior art keywords
subband
bypass
blocking
optical network
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.)
Active
Application number
DE602004016693T
Other languages
English (en)
Inventor
Yasuhiko Aoki
Susumu Kinoshita
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602004016693D1 publication Critical patent/DE602004016693D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04J14/0206—Express channels arrangements
    • 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
    • H04J14/0208—Interleaved arrangements
    • 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
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0215—Architecture aspects
    • H04J14/0219—Modular or upgradable architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
DE602004016693T 2003-07-28 2004-07-16 Optisches Netzwerk mit Teilbandsperrung und Bypass Active DE602004016693D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/629,021 US7483636B2 (en) 2003-07-28 2003-07-28 Optical network with sub-band rejection and bypass

Publications (1)

Publication Number Publication Date
DE602004016693D1 true DE602004016693D1 (de) 2008-10-30

Family

ID=33541469

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602004017546T Active DE602004017546D1 (de) 2003-07-28 2004-07-16 Optisches Netzwerk mit Teilbandsperrung und Bypass
DE602004016693T Active DE602004016693D1 (de) 2003-07-28 2004-07-16 Optisches Netzwerk mit Teilbandsperrung und Bypass

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE602004017546T Active DE602004017546D1 (de) 2003-07-28 2004-07-16 Optisches Netzwerk mit Teilbandsperrung und Bypass

Country Status (4)

Country Link
US (1) US7483636B2 (de)
EP (2) EP1503532B1 (de)
JP (1) JP4427408B2 (de)
DE (2) DE602004017546D1 (de)

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US7499647B2 (en) * 2000-05-22 2009-03-03 Opvista Incorporated Fully protected broadcast and select all optical network
US20050158047A1 (en) * 2003-07-16 2005-07-21 Way Winston I. Optical ring networks with failure protection mechanisms
US7403780B2 (en) * 2004-02-19 2008-07-22 Rockwell Collins, Inc. Hybrid open/closed loop filtering for link quality estimation
WO2006002080A2 (en) * 2004-06-15 2006-01-05 Opvista Incorporated Optical communication using duobinary modulation
US7286763B2 (en) * 2004-06-16 2007-10-23 Lucent Technologies Inc. Optical add/drop multiplexer having a banded channel configuration
US20060275035A1 (en) * 2005-05-02 2006-12-07 Way Winston I Multiple interconnected broadcast and select optical ring networks with revertible protection switch
CN100335923C (zh) * 2005-06-07 2007-09-05 烽火通信科技股份有限公司 波分复用光传输系统的四纤双向光放大段线路保护装置
WO2007044939A2 (en) * 2005-10-13 2007-04-19 Opvista Incorporated Optical ring networks using circulating optical probe in protection switching with automatic reversion
US20070280688A1 (en) * 2006-04-21 2007-12-06 Matisse Networks Upgradeable optical hub and hub upgrade
US7773883B1 (en) 2007-05-04 2010-08-10 Vello Systems, Inc. Single-fiber optical ring networks based on optical double sideband modulation
WO2009012409A2 (en) 2007-07-17 2009-01-22 Opvista Incorporated Optical ring networks having node-to-node optical communication channels for carrying data traffic
US8744262B2 (en) 2009-12-08 2014-06-03 Vello Systems, Inc. Optical subchannel routing, protection switching and security
US8705741B2 (en) * 2010-02-22 2014-04-22 Vello Systems, Inc. Subchannel security at the optical layer
US8542999B2 (en) 2011-02-01 2013-09-24 Vello Systems, Inc. Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network
US9002194B2 (en) 2012-04-09 2015-04-07 Telefonaktiebolaget L M Ericsson (Publ) Optical-layer multipath protection for optical network
US9252912B2 (en) 2012-04-09 2016-02-02 Telefonaktiebolaget L M Ericsson (Publ) Method for routing and spectrum assignment
US8929738B2 (en) * 2012-05-30 2015-01-06 Telefonaktiebolaget L M Ericsson (Publ) Resilience in an access subnetwork ring
US9112635B2 (en) 2012-06-13 2015-08-18 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for a passive access subnetwork
KR20140119569A (ko) * 2013-04-01 2014-10-10 한국전자통신연구원 광 통신 장치 및 그 방법
KR20150054232A (ko) * 2013-11-11 2015-05-20 한국전자통신연구원 멀티캐스팅 링 네트워크 노드에서 필터를 사용한 광 신호 제어 및 광 다중부에서 보호 절체 방법 및 장치
JP6258683B2 (ja) * 2013-12-03 2018-01-10 株式会社日立製作所 光伝送システム
WO2020094348A1 (en) * 2018-11-07 2020-05-14 Nokia Technologies Oy Improved power saving for iot radio systems

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Also Published As

Publication number Publication date
US7483636B2 (en) 2009-01-27
EP1503532B1 (de) 2008-11-05
DE602004017546D1 (de) 2008-12-18
EP1503532A3 (de) 2006-08-09
EP1746755B1 (de) 2008-09-17
US20050025490A1 (en) 2005-02-03
JP2005051779A (ja) 2005-02-24
EP1503532A2 (de) 2005-02-02
JP4427408B2 (ja) 2010-03-10
EP1746755A1 (de) 2007-01-24

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Legal Events

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8364 No opposition during term of opposition