CN101931457B - 在卡尔曼滤波器控制下的光信号解调 - Google Patents
在卡尔曼滤波器控制下的光信号解调 Download PDFInfo
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- CN101931457B CN101931457B CN201010189150.3A CN201010189150A CN101931457B CN 101931457 B CN101931457 B CN 101931457B CN 201010189150 A CN201010189150 A CN 201010189150A CN 101931457 B CN101931457 B CN 101931457B
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- kalman filter
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- 230000003287 optical effect Effects 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000010287 polarization Effects 0.000 claims description 51
- 238000005070 sampling Methods 0.000 claims description 24
- 238000013507 mapping Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 230000010363 phase shift Effects 0.000 claims description 8
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Classifications
-
- 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
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained
-
- 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
- H04B10/60—Receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/223—Demodulation in the optical domain
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/489,117 US8213810B2 (en) | 2009-06-22 | 2009-06-22 | Demodulation of an optical signal under control of a kalman filter |
US12/489,117 | 2009-06-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101931457A CN101931457A (zh) | 2010-12-29 |
CN101931457B true CN101931457B (zh) | 2016-03-30 |
Family
ID=43354493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010189150.3A Expired - Fee Related CN101931457B (zh) | 2009-06-22 | 2010-05-24 | 在卡尔曼滤波器控制下的光信号解调 |
Country Status (2)
Country | Link |
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US (1) | US8213810B2 (zh) |
CN (1) | CN101931457B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8498542B2 (en) * | 2010-01-21 | 2013-07-30 | Ciena Corporation | Multi-channel optical transceiver with offset quadrature amplitude modulation |
EP2651051A1 (en) * | 2012-04-13 | 2013-10-16 | Alcatel Lucent | Nonlinear Cross-Polarization Mitigation Algorithm |
CN104393917B (zh) * | 2014-10-31 | 2017-04-19 | 哈尔滨工业大学深圳研究生院 | 一种基于卡尔曼滤波的偏振态快速跟踪监测方法 |
CN104601247B (zh) * | 2014-12-22 | 2017-04-05 | 中国科学院上海光学精密机械研究所 | 本振增强型差分信号接收装置 |
US9716564B2 (en) * | 2014-12-23 | 2017-07-25 | Infinera Corporation | Polarization tracking using signal tone information while keeping least mean squares frequency domain equalization |
CN105703838B (zh) * | 2016-01-26 | 2018-07-03 | 哈尔滨工业大学深圳研究生院 | 基于蝶形线性卡尔曼滤波器的相干光接收机动态均衡方法 |
CN106936513A (zh) * | 2017-03-22 | 2017-07-07 | 北京邮电大学 | 一种基于卡尔曼滤波算法的载波相位恢复方法及装置 |
CN107579780B (zh) * | 2017-08-28 | 2020-01-17 | 哈尔滨工业大学深圳研究生院 | 基于半径导向卡尔曼的参数自适应偏振态跟踪和均衡方法 |
CN108055081B (zh) * | 2017-12-26 | 2020-07-24 | 中山大学 | 面向空分/模分复用光纤通信***的简化卡尔曼滤波器均衡方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2370473B (en) * | 2000-12-21 | 2004-04-07 | Marconi Caswell Ltd | Improvements in or relating to optical communication |
US7162165B2 (en) * | 2002-08-02 | 2007-01-09 | Agilent Technologies, Inc. | Kalman filter assembly intensity noise subtraction for optical heterodyne receivers |
US7460793B2 (en) * | 2002-12-11 | 2008-12-02 | Michael George Taylor | Coherent optical detection and signal processing method and system |
US8233568B2 (en) * | 2008-09-05 | 2012-07-31 | Rajendra Kumar | Adaptive receiver for high-order modulated signals over fading channels |
US8166365B2 (en) * | 2008-12-03 | 2012-04-24 | Ciena Corporation | Cycle slip location and correction |
US8103166B2 (en) * | 2009-01-12 | 2012-01-24 | Alcatel Lucent | Multi-wavelength coherent receiver with a shared optical hybrid and a multi-wavelength local oscillator |
-
2009
- 2009-06-22 US US12/489,117 patent/US8213810B2/en active Active
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2010
- 2010-05-24 CN CN201010189150.3A patent/CN101931457B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8213810B2 (en) | 2012-07-03 |
CN101931457A (zh) | 2010-12-29 |
US20100322639A1 (en) | 2010-12-23 |
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