CN1284804A - 通信系统 - Google Patents
通信系统 Download PDFInfo
- Publication number
- CN1284804A CN1284804A CN00128660A CN00128660A CN1284804A CN 1284804 A CN1284804 A CN 1284804A CN 00128660 A CN00128660 A CN 00128660A CN 00128660 A CN00128660 A CN 00128660A CN 1284804 A CN1284804 A CN 1284804A
- Authority
- CN
- China
- Prior art keywords
- signal
- optical
- light
- adm
- light path
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- 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
- H04J14/0201—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
- H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or 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
- H04J14/0202—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
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0213—Groups of channels or wave bands arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9916577.1 | 1999-07-15 | ||
GB9916577A GB2352104B (en) | 1999-07-15 | 1999-07-15 | Communications systems |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1284804A true CN1284804A (zh) | 2001-02-21 |
CN1299458C CN1299458C (zh) | 2007-02-07 |
Family
ID=10857269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001286609A Expired - Fee Related CN1299458C (zh) | 1999-07-15 | 2000-07-15 | 通信系统 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6486988B1 (zh) |
EP (1) | EP1069720A3 (zh) |
JP (1) | JP2001103009A (zh) |
CN (1) | CN1299458C (zh) |
AU (1) | AU4862000A (zh) |
GB (1) | GB2352104B (zh) |
NO (1) | NO20003610L (zh) |
RU (1) | RU2000118729A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104200647A (zh) * | 2014-08-26 | 2014-12-10 | 河海大学 | 基于wdm的igbt门极驱动单元的激光供能与通信方法及系统 |
CN111917507A (zh) * | 2020-08-10 | 2020-11-10 | 上海欣诺通信技术股份有限公司 | 集成化波分系统和设备 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6778780B1 (en) * | 2000-05-25 | 2004-08-17 | Avanex Corporation | WDM utilizing grating-based channel separators |
US7110673B2 (en) | 2000-08-30 | 2006-09-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Optical communication system |
EP1185018A1 (en) * | 2000-08-30 | 2002-03-06 | Telefonaktiebolaget Lm Ericsson | Optical communication system |
US6731830B2 (en) | 2001-01-05 | 2004-05-04 | Redfern Broadband Networks, Inc. | Asymmetric compatible network element |
US7283478B2 (en) * | 2001-11-28 | 2007-10-16 | Corrigent Systems Ltd. | Traffic engineering in bi-directional ring networks |
US6868201B1 (en) * | 2002-03-22 | 2005-03-15 | Nortel Networks Limited | Reconfigurable WDM mux/demux/OADM |
JP2003298514A (ja) * | 2002-03-29 | 2003-10-17 | Matsushita Electric Ind Co Ltd | 光受信装置、光送信装置、光送受信装置及び光伝送システム |
US7283740B2 (en) * | 2002-05-29 | 2007-10-16 | Fujitsu Limited | Optical ring network with optical subnets and method |
US7283739B2 (en) * | 2002-05-29 | 2007-10-16 | Fujitsu Limited | Multiple subnets in an optical ring network and method |
US7184663B2 (en) | 2002-05-29 | 2007-02-27 | Fujitsu Limited | Optical ring network with hub node and method |
US7228025B1 (en) * | 2002-10-31 | 2007-06-05 | Finisar Corporation | Thin film interleaver |
US8005328B2 (en) * | 2002-11-26 | 2011-08-23 | Finisar Corporation | Optical add/drop module |
US7420922B2 (en) * | 2003-03-12 | 2008-09-02 | Corrigent Systems Ltd | Ring network with variable rate |
US7321729B2 (en) * | 2003-05-29 | 2008-01-22 | Fujitsu Limited | Optical ring network with selective signal regeneration and wavelength conversion |
US7483637B2 (en) * | 2003-11-26 | 2009-01-27 | Fujitsu Limited | Optical ring network with optical subnets and method |
US20050175346A1 (en) * | 2004-02-10 | 2005-08-11 | Fujitsu Limited | Upgraded flexible open ring optical network and method |
FR2871637B1 (fr) * | 2004-06-14 | 2008-10-31 | Alcatel Sa | Procede d'extension d'un reseau de transmission optique, reseau de transmission optique et noeuds de transmission optique associes |
DE602004008049D1 (de) * | 2004-06-25 | 2007-09-20 | Siemens Ag | Skalierbarer optischer Add/drop-Multiplexer mit optischem Schutzmechanismus |
US20050286896A1 (en) * | 2004-06-29 | 2005-12-29 | Fujitsu Limited | Hybrid optical ring network |
US7330431B2 (en) | 2004-09-03 | 2008-02-12 | Corrigent Systems Ltd. | Multipoint to multipoint communication over ring topologies |
US7120360B2 (en) * | 2005-01-06 | 2006-10-10 | Fujitsu Limited | System and method for protecting traffic in a hubbed optical ring network |
JP4678647B2 (ja) * | 2005-08-31 | 2011-04-27 | 富士通株式会社 | 光ノードのアップグレード方法および光ノード装置 |
US7808931B2 (en) | 2006-03-02 | 2010-10-05 | Corrigent Systems Ltd. | High capacity ring communication network |
US20110085802A1 (en) * | 2009-10-13 | 2011-04-14 | Pietro Bernasconi | Polarization-multiplexed optical transmission |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2280561B (en) * | 1993-07-31 | 1997-03-26 | Northern Telecom Ltd | Optical transmission system |
JP2888272B2 (ja) * | 1994-12-15 | 1999-05-10 | 日本電気株式会社 | 光ネットワークおよび中継ノード |
FR2734437B1 (fr) * | 1995-05-17 | 1997-06-13 | Sutter Alain | Reseau en anneau de transmission d'informations multiplexees en longueur d'onde |
US5557439A (en) | 1995-07-25 | 1996-09-17 | Ciena Corporation | Expandable wavelength division multiplexed optical communications systems |
SE519255C2 (sv) * | 1997-04-30 | 2003-02-04 | Ericsson Telefon Ab L M | ADD/Drop-nod för WDM med låg förlust |
US6069719A (en) * | 1997-07-30 | 2000-05-30 | Ciena Corporation | Dynamically reconfigurable optical add-drop multiplexers for WDM optical communication systems |
US6351581B1 (en) * | 1998-03-17 | 2002-02-26 | Agere Systems Optoelectronics Guardian Corp. | Optical add-drop multiplexer having an interferometer structure |
-
1999
- 1999-07-15 GB GB9916577A patent/GB2352104B/en not_active Expired - Fee Related
- 1999-09-08 US US09/391,763 patent/US6486988B1/en not_active Expired - Fee Related
-
2000
- 2000-07-13 NO NO20003610A patent/NO20003610L/no unknown
- 2000-07-14 AU AU48620/00A patent/AU4862000A/en not_active Abandoned
- 2000-07-14 EP EP00305997A patent/EP1069720A3/en not_active Ceased
- 2000-07-14 RU RU2000118729/09A patent/RU2000118729A/ru not_active Application Discontinuation
- 2000-07-15 CN CNB001286609A patent/CN1299458C/zh not_active Expired - Fee Related
- 2000-07-17 JP JP2000250336A patent/JP2001103009A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104200647A (zh) * | 2014-08-26 | 2014-12-10 | 河海大学 | 基于wdm的igbt门极驱动单元的激光供能与通信方法及系统 |
CN111917507A (zh) * | 2020-08-10 | 2020-11-10 | 上海欣诺通信技术股份有限公司 | 集成化波分系统和设备 |
Also Published As
Publication number | Publication date |
---|---|
NO20003610L (no) | 2001-01-16 |
CN1299458C (zh) | 2007-02-07 |
GB9916577D0 (en) | 1999-09-15 |
NO20003610D0 (no) | 2000-07-13 |
EP1069720A3 (en) | 2005-06-29 |
AU4862000A (en) | 2001-01-18 |
GB2352104A (en) | 2001-01-17 |
US6486988B1 (en) | 2002-11-26 |
GB2352104B (en) | 2003-01-15 |
RU2000118729A (ru) | 2002-06-27 |
EP1069720A2 (en) | 2001-01-17 |
JP2001103009A (ja) | 2001-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MARCONI UK INTELLECTUAL PROP Free format text: FORMER OWNER: MARCONI COMMUNICATIONS LTD. Effective date: 20031008 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20031008 Address after: coventry Applicant after: MARCONI UK INTELLECTUAL PROPERTY Ltd. Address before: coventry Applicant before: MARCONI COMMUNICATIONS S.P.A. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: L.M. ERICSSON CO., LTD. Free format text: FORMER OWNER: M(DGP1) CO., LTD. Effective date: 20070202 Owner name: M(DGP1) CO., LTD. Free format text: FORMER OWNER: MARCONI UK INTELLECTUAL PROP Effective date: 20070202 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070202 Address after: Stockholm, Sweden Patentee after: ERICSSON AB Address before: Coventry, United Kingdom Patentee before: M (DGP1) Ltd. Effective date of registration: 20070202 Address after: Coventry, United Kingdom Patentee after: M (DGP1) Ltd. Address before: Coventry, United Kingdom Patentee before: MARCONI UK INTELLECTUAL PROPERTY Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 |