CN1659818A - 在光通信网中功率优化 - Google Patents
在光通信网中功率优化 Download PDFInfo
- Publication number
- CN1659818A CN1659818A CN038134551A CN03813455A CN1659818A CN 1659818 A CN1659818 A CN 1659818A CN 038134551 A CN038134551 A CN 038134551A CN 03813455 A CN03813455 A CN 03813455A CN 1659818 A CN1659818 A CN 1659818A
- Authority
- CN
- China
- Prior art keywords
- signal
- advance
- distortion
- optical communication
- bandwidth
- 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
- 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 true CN1659818A (zh) | 2005-08-24 |
CN1659818B 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 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225922A (en) | 1991-11-21 | 1993-07-06 | At&T Bell Laboratories | Optical transmission system equalizer |
EP0759055B1 (en) * | 1994-04-18 | 1998-07-22 | International Business Machines Corporation | Wireless optical communication system with adaptive data rate |
US6040933A (en) * | 1997-12-19 | 2000-03-21 | Nortel Networks Corporation | Method and apparatus for channel equalization in wavelength division multiplexed systems |
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 |
DE19848989C2 (de) * | 1998-10-23 | 2000-12-28 | Siemens Ag | Verfahren zur kanalweisen Einstellung von Sendesignalleistungen eines Wellenlängenmultiplex-Übertragungssystems |
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 |
AU2001278925A1 (en) * | 2000-07-21 | 2002-02-05 | Sycamore Networks, Inc. | Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system |
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
Also Published As
Publication number | Publication date |
---|---|
WO2003105384A1 (en) | 2003-12-18 |
CA2486640A1 (en) | 2003-12-18 |
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 |
CN1659818B (zh) | 2010-06-09 |
EP2264923A3 (en) | 2011-08-03 |
EP2264923B1 (en) | 2017-01-11 |
US7693423B2 (en) | 2010-04-06 |
EP2264923A2 (en) | 2010-12-22 |
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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: 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 |