CN1659818B - 在光通信网中控制光信号的信号发射功率的方法和设备 - Google Patents
在光通信网中控制光信号的信号发射功率的方法和设备 Download PDFInfo
- Publication number
- CN1659818B CN1659818B CN038134551A CN03813455A CN1659818B CN 1659818 B CN1659818 B CN 1659818B CN 038134551 A CN038134551 A CN 038134551A CN 03813455 A CN03813455 A CN 03813455A CN 1659818 B CN1659818 B CN 1659818B
- Authority
- CN
- China
- Prior art keywords
- signal
- channel
- distortion
- advance
- numeric value
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0221—Power control, e.g. to keep the total optical power constant
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Communication Cables (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0213385.8 | 2002-06-11 | ||
GBGB0213385.8A GB0213385D0 (en) | 2002-06-11 | 2002-06-11 | Maximising power in optical communications networks |
PCT/GB2003/002508 WO2003105384A1 (en) | 2002-06-11 | 2003-06-11 | Maximising power in optical communication networks |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1659818A CN1659818A (zh) | 2005-08-24 |
CN1659818B true CN1659818B (zh) | 2010-06-09 |
Family
ID=9938362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN038134551A Expired - Fee Related CN1659818B (zh) | 2002-06-11 | 2003-06-11 | 在光通信网中控制光信号的信号发射功率的方法和设备 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7693423B2 (zh) |
EP (2) | EP1514372B1 (zh) |
JP (1) | JP4533135B2 (zh) |
CN (1) | CN1659818B (zh) |
AT (1) | ATE491275T1 (zh) |
AU (1) | AU2003240084A1 (zh) |
CA (1) | CA2486640C (zh) |
DE (1) | DE60335262D1 (zh) |
GB (1) | GB0213385D0 (zh) |
WO (1) | WO2003105384A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10328602B4 (de) * | 2003-06-25 | 2017-06-01 | Xieon Networks S.À.R.L. | Verfahren zur Preemphase optischer Signale in einem Übertragungssystem mit Add-Drop-Modulen |
JP5617510B2 (ja) * | 2010-10-07 | 2014-11-05 | 富士通株式会社 | 光ノード及び光通信方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543570A2 (en) * | 1991-11-21 | 1993-05-26 | AT&T Corp. | Optical transmission system equalizer |
EP0924888A2 (en) * | 1997-12-19 | 1999-06-23 | Nortel Networks Corporation | Method and apparatus for channel equalization in wavelength division multiplexed systems |
CA2347687A1 (en) * | 1998-10-23 | 2000-05-04 | Siemens Aktiengesellschaft | Method for channel-by-channel adjustment of the transmitted signal power levels in a wavelength-division multiplex transmission system |
WO2002009299A2 (en) * | 2000-07-21 | 2002-01-31 | Sycamore Networks, Inc. | Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0759055B1 (en) * | 1994-04-18 | 1998-07-22 | International Business Machines Corporation | Wireless optical communication system with adaptive data rate |
US6115157A (en) * | 1997-12-24 | 2000-09-05 | Nortel Networks Corporation | Methods for equalizing WDM systems |
JP2000068943A (ja) * | 1998-08-17 | 2000-03-03 | Hitachi Ltd | 光伝送装置 |
JP3574578B2 (ja) | 1998-12-18 | 2004-10-06 | 富士通株式会社 | 波長分割多重光通信システムにおける伝送特性均一化装置及び方法 |
GB2360654A (en) * | 2000-03-25 | 2001-09-26 | Marconi Comm Ltd | Power controlling network element for adding new channels in a controlled manner |
DE10024393A1 (de) | 2000-05-17 | 2001-11-29 | Siemens Ag | Verfahren zur Regelung des Signal-Rausch-Abstandes von optischen Add/Drop-Signalen |
US6701089B1 (en) * | 2000-06-30 | 2004-03-02 | Nortel Networks Limited | Over-equalization for multi-span wavelength division multiplexed fiber optic communication systems |
US6804464B2 (en) | 2000-11-01 | 2004-10-12 | Dowslake Microsystems Corporation | Flexible and low cost wavelength management for optical networking |
US6819479B1 (en) * | 2001-12-20 | 2004-11-16 | Xtera Communications, Inc. | Optical amplification using launched signal powers selected as a function of a noise figure |
-
2002
- 2002-06-11 GB GBGB0213385.8A patent/GB0213385D0/en not_active Ceased
-
2003
- 2003-06-11 JP JP2004512327A patent/JP4533135B2/ja not_active Expired - Fee Related
- 2003-06-11 WO PCT/GB2003/002508 patent/WO2003105384A1/en active Application Filing
- 2003-06-11 AT AT03732698T patent/ATE491275T1/de not_active IP Right Cessation
- 2003-06-11 CN CN038134551A patent/CN1659818B/zh not_active Expired - Fee Related
- 2003-06-11 US US10/517,671 patent/US7693423B2/en active Active
- 2003-06-11 DE DE60335262T patent/DE60335262D1/de not_active Expired - Lifetime
- 2003-06-11 AU AU2003240084A patent/AU2003240084A1/en not_active Abandoned
- 2003-06-11 EP EP03732698A patent/EP1514372B1/en not_active Expired - Lifetime
- 2003-06-11 EP EP10181001.8A patent/EP2264923B1/en not_active Expired - Lifetime
- 2003-06-11 CA CA2486640A patent/CA2486640C/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543570A2 (en) * | 1991-11-21 | 1993-05-26 | AT&T Corp. | Optical transmission system equalizer |
EP0924888A2 (en) * | 1997-12-19 | 1999-06-23 | Nortel Networks Corporation | Method and apparatus for channel equalization in wavelength division multiplexed systems |
CA2347687A1 (en) * | 1998-10-23 | 2000-05-04 | Siemens Aktiengesellschaft | Method for channel-by-channel adjustment of the transmitted signal power levels in a wavelength-division multiplex transmission system |
WO2002009299A2 (en) * | 2000-07-21 | 2002-01-31 | Sycamore Networks, Inc. | Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system |
Also Published As
Publication number | Publication date |
---|---|
WO2003105384A1 (en) | 2003-12-18 |
CA2486640A1 (en) | 2003-12-18 |
CN1659818A (zh) | 2005-08-24 |
EP1514372B1 (en) | 2010-12-08 |
JP2005529542A (ja) | 2005-09-29 |
EP1514372A1 (en) | 2005-03-16 |
DE60335262D1 (de) | 2011-01-20 |
JP4533135B2 (ja) | 2010-09-01 |
AU2003240084A1 (en) | 2003-12-22 |
US20060098990A1 (en) | 2006-05-11 |
ATE491275T1 (de) | 2010-12-15 |
GB0213385D0 (en) | 2002-07-24 |
CA2486640C (en) | 2013-10-01 |
EP2264923A3 (en) | 2011-08-03 |
EP2264923B1 (en) | 2017-01-11 |
US7693423B2 (en) | 2010-04-06 |
EP2264923A2 (en) | 2010-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7515829B2 (en) | Wavelength division multiplexing optical transmission system | |
US6452701B1 (en) | Wavelength division multiplexing communications network supervisory system | |
US5786913A (en) | Optical TDMA ring network with a central transmitting and receiving device | |
CN104509010B (zh) | 用于光学wdm网络中信道建立的方法和装置 | |
US6574016B1 (en) | Method and apparatus for ancillary data in a wavelength division multiplexed system | |
US6404522B1 (en) | Optical communication method and system using wavelength division multiplexing | |
US5844706A (en) | Fibre-optic communications-transmission method and intermediate repeater for use in the method | |
US20040096214A1 (en) | Method and apparatus for using optical idler tones for performance monitoring in a WDM optical transmission system | |
JP2002290330A (ja) | Wdm端末装置及びwdmネットワーク | |
CN1659818B (zh) | 在光通信网中控制光信号的信号发射功率的方法和设备 | |
US20010022684A1 (en) | Optical amplifier and wavelength multiplexing optical transmission system | |
US20190312646A1 (en) | Optical communication with wavelength-dependent amplitude pre-compensation | |
JP4237527B2 (ja) | 波長多重光伝送システム | |
US7076165B2 (en) | Optical transponder with add/drop operation function of optical channels | |
JPH10163963A (ja) | 光分波合波装置 | |
JPH03258038A (ja) | 光ファイバ中継伝送路の監視方式 | |
US20240137142A1 (en) | Monitior window in ase injection seed | |
US7228075B2 (en) | Wavelength multiplexing apparatus and signal conversion apparatus | |
JP2000041025A (ja) | 波長多重伝送システム、及び波長多重伝送方法 | |
JPH07154367A (ja) | 波長多重伝送用光送信装置 | |
KR20110077704A (ko) | 송수신 겸용 광원 장치 및 그를 위한 파장분할다중방식 시스템 | |
JP2000224115A (ja) | 光多重中継システム |
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: L.M. ERICSSON CO., LTD. Free format text: FORMER OWNER: M(DGP1) CO., LTD. Effective date: 20070209 Owner name: M(DGP1) CO., LTD. Free format text: FORMER OWNER: MARCONI UK INTELLECTUAL PROP Effective date: 20070209 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20070209 Address after: Stockholm, Sweden Applicant after: ERICSSON AB Address before: Coventry, United Kingdom Applicant before: M (DGP1) Ltd. Effective date of registration: 20070209 Address after: Coventry, United Kingdom Applicant after: M (DGP1) Ltd. Address before: Coventry, United Kingdom Applicant before: MARCONI UK INTELLECTUAL PROPERTY Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20170611 |
|
CF01 | Termination of patent right due to non-payment of annual fee |