CN1784849A - 用于对光复用信号进行预加重的方法 - Google Patents
用于对光复用信号进行预加重的方法 Download PDFInfo
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- CN1784849A CN1784849A CNA200480012511XA CN200480012511A CN1784849A CN 1784849 A CN1784849 A CN 1784849A CN A200480012511X A CNA200480012511X A CN A200480012511XA CN 200480012511 A CN200480012511 A CN 200480012511A CN 1784849 A CN1784849 A CN 1784849A
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- 238000013439 planning Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/293—Signal power control
- H04B10/2933—Signal power control considering the whole optical path
- H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/25073—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion using spectral equalisation, e.g. spectral filtering
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10320715 | 2003-05-08 | ||
DE10320715.5 | 2003-05-08 | ||
DE10328622.5 | 2003-06-25 | ||
DE10328622 | 2003-06-25 | ||
DE10344067 | 2003-09-23 | ||
DE10344067.4 | 2003-09-23 | ||
PCT/EP2004/050546 WO2004100414A1 (de) | 2003-05-08 | 2004-04-16 | Verfahren zur preemphase eines optischen multiplexsignals |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1784849A true CN1784849A (zh) | 2006-06-07 |
CN1784849B CN1784849B (zh) | 2010-09-08 |
Family
ID=33436869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200480012511XA Expired - Lifetime CN1784849B (zh) | 2003-05-08 | 2004-04-16 | 用于对光复用信号进行预加重的方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7460784B2 (zh) |
EP (1) | EP1620964B1 (zh) |
CN (1) | CN1784849B (zh) |
CA (1) | CA2524832C (zh) |
DE (1) | DE102004018166A1 (zh) |
ES (1) | ES2749718T3 (zh) |
WO (1) | WO2004100414A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108512596A (zh) * | 2018-03-09 | 2018-09-07 | 烽火通信科技股份有限公司 | 用于级联光放大器通信系统的osnr计算方法及装置 |
CN114499667A (zh) * | 2022-01-28 | 2022-05-13 | 上海交通大学 | 单纤双向光纤链路中双向光放大器增益的优化装置与优化方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004047693A1 (de) | 2004-09-30 | 2006-04-20 | Siemens Ag | Preemphase eines optischen Wellenlängen-Multiplexsignals |
US7457032B2 (en) * | 2005-09-22 | 2008-11-25 | Bti Photonic Systems Inc. | Arrangement, system, and method for accurate power measurements using an optical performance monitor (OPM) |
US8055129B2 (en) * | 2008-05-07 | 2011-11-08 | Alcatel Lucent | Alien wavelength channel balancing and line amplifier optimization |
JP5648436B2 (ja) * | 2010-11-12 | 2015-01-07 | 富士通株式会社 | プリエンファシス制御方法 |
CN104104445B (zh) * | 2013-04-10 | 2017-06-30 | 富士通株式会社 | 非线性加权系数的计算装置以及方法 |
US10070206B2 (en) * | 2014-12-30 | 2018-09-04 | Infinera Corporation | Reduction of wavelength selective switch (WSS) filter-based impairment using differentiated channel modulation formats |
CN116015462B (zh) * | 2023-02-27 | 2023-06-20 | 中国科学院国家授时中心 | 一种应用于光纤时间传递的edfa光增益设置方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5225922A (en) * | 1991-11-21 | 1993-07-06 | At&T Bell Laboratories | Optical transmission system equalizer |
JP3373332B2 (ja) * | 1995-05-26 | 2003-02-04 | Kddi株式会社 | プリエンファシス方式光波長多重通信方法および装置 |
FR2738698B1 (fr) * | 1995-09-08 | 1997-10-17 | Alcatel Nv | Procede et systeme d'egalisation des niveaux respectifs de puissance des canaux d'un signal optique spectralement multiplexe |
JP3992811B2 (ja) * | 1997-08-01 | 2007-10-17 | 富士通株式会社 | 光伝送システム及び送信端局 |
CN2319832Y (zh) * | 1997-12-05 | 1999-05-19 | 清华大学 | 实现波分复用系统动态增益谱均衡的均衡放大器 |
DE19848989C2 (de) | 1998-10-23 | 2000-12-28 | Siemens Ag | Verfahren zur kanalweisen Einstellung von Sendesignalleistungen eines Wellenlängenmultiplex-Übertragungssystems |
JP2001203414A (ja) | 2000-01-18 | 2001-07-27 | Fujitsu Ltd | 光信号対雑音比測定方法、並びに、該測定方法を利用した光信号対雑音比測定装置、プリエンファシス方法、光通信システム、測定回路、および、制御装置 |
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 |
US20020109883A1 (en) * | 2001-02-12 | 2002-08-15 | Teradvance Communications, Llc | Method and apparatus for optical data transmission at high data rates with enhanced capacity using polarization multiplexing |
DE10112805B4 (de) * | 2001-03-16 | 2006-11-30 | Siemens Ag | Optisches Übertragungssystem mit verbessertem Signal-zu-Rausch-Verhalten |
US8199696B2 (en) * | 2001-03-29 | 2012-06-12 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
EP1280288A1 (en) * | 2001-07-27 | 2003-01-29 | Alcatel | Method and system for automatic gain equalization in an optical transmission system using WDM technique |
US6959149B2 (en) | 2002-03-29 | 2005-10-25 | Nortel Networks Limited | Power balancing in DWDM optical networks |
FR2845841B1 (fr) | 2002-10-11 | 2005-06-03 | Corvis France R Et D | Procede et dispositif d'egalisation du rapport signal a bruit dans un systeme de transmission wdm |
-
2004
- 2004-04-14 DE DE200410018166 patent/DE102004018166A1/de not_active Ceased
- 2004-04-16 ES ES04741464T patent/ES2749718T3/es not_active Expired - Lifetime
- 2004-04-16 EP EP04741464.4A patent/EP1620964B1/de not_active Expired - Lifetime
- 2004-04-16 WO PCT/EP2004/050546 patent/WO2004100414A1/de active Search and Examination
- 2004-04-16 CN CN200480012511XA patent/CN1784849B/zh not_active Expired - Lifetime
- 2004-04-16 US US10/554,171 patent/US7460784B2/en active Active
- 2004-04-16 CA CA2524832A patent/CA2524832C/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108512596A (zh) * | 2018-03-09 | 2018-09-07 | 烽火通信科技股份有限公司 | 用于级联光放大器通信系统的osnr计算方法及装置 |
CN108512596B (zh) * | 2018-03-09 | 2019-06-21 | 烽火通信科技股份有限公司 | 用于级联光放大器通信系统的osnr计算方法及装置 |
WO2019169915A1 (zh) * | 2018-03-09 | 2019-09-12 | 烽火通信科技股份有限公司 | 用于级联光放大器通信系统的osnr计算方法及装置 |
CN114499667A (zh) * | 2022-01-28 | 2022-05-13 | 上海交通大学 | 单纤双向光纤链路中双向光放大器增益的优化装置与优化方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2004100414A1 (de) | 2004-11-18 |
US7460784B2 (en) | 2008-12-02 |
EP1620964A1 (de) | 2006-02-01 |
CA2524832A1 (en) | 2004-11-18 |
CA2524832C (en) | 2015-06-09 |
DE102004018166A1 (de) | 2004-12-16 |
ES2749718T3 (es) | 2020-03-23 |
CN1784849B (zh) | 2010-09-08 |
EP1620964B1 (de) | 2019-07-17 |
US20060233552A1 (en) | 2006-10-19 |
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Owner name: NOKIA SIEMENS COMMUNICATION CO., LTD. Free format text: FORMER OWNER: SIEMENS AG Effective date: 20080404 |
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Owner name: XIAOYANG NETWORK CO., LTD. Free format text: FORMER OWNER: NOKIA SIEMENS NETWORKS GMBH Effective date: 20140106 |
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Effective date of registration: 20140106 Address after: Luxemburg Luxemburg Patentee after: XIEON NETWORKS S.A.R.L. Address before: Munich, Germany Patentee before: NOKIA SIEMENS NETWORKS GmbH & Co.KG |
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Granted publication date: 20100908 |
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CX01 | Expiry of patent term |