DE60310781D1 - System und Verfahren zur Mehrpegel-Phasenmodulationübertragung - Google Patents
System und Verfahren zur Mehrpegel-PhasenmodulationübertragungInfo
- Publication number
- DE60310781D1 DE60310781D1 DE60310781T DE60310781T DE60310781D1 DE 60310781 D1 DE60310781 D1 DE 60310781D1 DE 60310781 T DE60310781 T DE 60310781T DE 60310781 T DE60310781 T DE 60310781T DE 60310781 D1 DE60310781 D1 DE 60310781D1
- Authority
- DE
- Germany
- Prior art keywords
- phase modulation
- modulation transmission
- multilevel phase
- multilevel
- transmission
- 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
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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
-
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
-
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
-
- 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
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/548—Phase or frequency modulation
- H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
- H04B10/5561—Digital phase modulation
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/052,886 US20040208646A1 (en) | 2002-01-18 | 2002-01-18 | System and method for multi-level phase modulated communication |
US52886 | 2002-01-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60310781D1 true DE60310781D1 (de) | 2007-02-15 |
DE60310781T2 DE60310781T2 (de) | 2007-10-18 |
Family
ID=21980549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60310781T Expired - Fee Related DE60310781T2 (de) | 2002-01-18 | 2003-01-08 | System und Verfahren zur Mehrpegel-Phasenmodulationübertragung |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040208646A1 (de) |
EP (1) | EP1330054B1 (de) |
JP (1) | JP2003249897A (de) |
DE (1) | DE60310781T2 (de) |
Families Citing this family (61)
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US7529481B1 (en) * | 2003-03-13 | 2009-05-05 | State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of The University Of Oregon | Linear optical sampling methods and apparatus |
JP3829198B2 (ja) * | 2003-12-01 | 2006-10-04 | 独立行政法人情報通信研究機構 | 光伝送方法及びシステム |
DE10359988A1 (de) | 2003-12-19 | 2005-07-14 | Siemens Ag | Messeinrichtung, insbesondere Temperaturmessumformer |
DE102004005718A1 (de) * | 2004-02-05 | 2005-08-25 | Siemens Ag | Verfahren zur optischen Übertragung eines Polarisations-Multiplexsignals |
US7844186B2 (en) * | 2004-02-20 | 2010-11-30 | Alcatel-Lucent Usa Inc. | Method and apparatus for optical transmission |
US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US8284955B2 (en) | 2006-02-07 | 2012-10-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10158337B2 (en) | 2004-08-10 | 2018-12-18 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
KR100703410B1 (ko) | 2005-01-19 | 2007-04-03 | 삼성전자주식회사 | 오프셋 직교위상편이 변조 방법과 이를 이용한 광송신기 |
JP4170298B2 (ja) * | 2005-01-31 | 2008-10-22 | 富士通株式会社 | 差分4位相偏移変調方式に対応した光受信器および光受信方法 |
US7379235B2 (en) * | 2005-03-18 | 2008-05-27 | Fujitsu Limited | Reducing polarization dependence of a wavelength dispersion variation monitor |
US10701505B2 (en) | 2006-02-07 | 2020-06-30 | Bongiovi Acoustics Llc. | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US7643760B1 (en) * | 2006-03-03 | 2010-01-05 | University Of Central Florida Research Foundation, Inc. | Direct detection differential polarization-phase-shift keying for high spectral efficiency optical communication |
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US7835650B2 (en) * | 2006-07-11 | 2010-11-16 | Drexel University | Optical domain frequency down-conversion of microwave signals |
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JP4762923B2 (ja) * | 2007-01-17 | 2011-08-31 | 日本電信電話株式会社 | 光信号発生器及び光通信システム |
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JP5069144B2 (ja) * | 2008-02-26 | 2012-11-07 | 日本電信電話株式会社 | 光変調器 |
JP4842987B2 (ja) * | 2008-03-19 | 2011-12-21 | 富士通株式会社 | 光デバイス |
JP5387576B2 (ja) | 2008-09-03 | 2014-01-15 | 日本電気株式会社 | 光信号伝送システム、送信器、受信器、光信号伝送方法 |
JP5198996B2 (ja) * | 2008-09-19 | 2013-05-15 | 住友大阪セメント株式会社 | 光変調器 |
JP5476697B2 (ja) * | 2008-09-26 | 2014-04-23 | 富士通株式会社 | 光信号送信装置 |
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US9374188B2 (en) * | 2008-12-12 | 2016-06-21 | Alcatel Lucent | Optical communication using polarized transmit signal |
US8270847B2 (en) * | 2009-02-02 | 2012-09-18 | Tyco Electronics Subsea Communications Llc | Polarization multiplexing with different DPSK modulation schemes and system incorporating the same |
US8811827B2 (en) * | 2009-09-25 | 2014-08-19 | Infinera Corporation | System for generating optical RZ signals based on electrical RZ signals |
US8488979B2 (en) * | 2009-12-23 | 2013-07-16 | Fujitsu Limited | Multi-level polarization multi-level phase modulator |
JP2013530613A (ja) * | 2010-05-14 | 2013-07-25 | フランス・テレコム | Ofdm変調技術の実施を可能にする光学ライン終端デバイス |
JP5700965B2 (ja) * | 2010-07-08 | 2015-04-15 | 三菱電機株式会社 | 光送信器、光送受信器および光伝送システム |
JPWO2012070686A1 (ja) * | 2010-11-22 | 2014-05-19 | 日本電気株式会社 | 光通信システム、光通信方法、光通信装置およびその制御方法と制御プログラム |
US20140010530A1 (en) * | 2011-03-25 | 2014-01-09 | Nec Corporation | Optical transmitter, wavelength multiplexing transmission device and optical transmission method |
JP5804058B2 (ja) | 2011-07-01 | 2015-11-04 | 日本電気株式会社 | Rz光変調器及びrz光変調方法 |
US9369321B2 (en) * | 2011-09-22 | 2016-06-14 | Northrop Grumman Systems Corporation | Increasing sensor data carrying capability of phase generated carriers |
JP5354000B2 (ja) * | 2011-12-05 | 2013-11-27 | 富士通株式会社 | 偏光多重送信装置 |
CN103222208B (zh) * | 2012-11-15 | 2016-01-13 | 华为技术有限公司 | 一种发射机、光信号产生方法、装置及系统 |
US9112609B2 (en) | 2013-06-10 | 2015-08-18 | Fujitsu Limited | Mitigation of polarization dependent loss in optical multi-carrier/super-channel transmission |
US9264004B2 (en) * | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
ITMI20132014A1 (it) * | 2013-12-03 | 2015-06-04 | Milano Politecnico | Sistema di comunicazione ottica multilivello con una pluralità di sorgenti di radiazione ottica |
US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
US9819420B2 (en) * | 2015-03-02 | 2017-11-14 | Futurewei Technolgies, Inc. | Polarization state aligner (PSA) |
US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
US10979530B2 (en) | 2017-03-03 | 2021-04-13 | LGS Innovations LLC | Methods and apparatuses for batch radio resource command and control |
KR20190127783A (ko) | 2017-03-21 | 2019-11-13 | 비프로스트 커뮤니케이션즈 에이피에스 | 고성능 광수신기를 포함한 광학 통신 시스템, 장치 및 방법 |
CN110945803B (zh) * | 2017-07-25 | 2022-04-19 | 凯迪迪爱通信技术有限公司 | 光接收机和相干光接收方法 |
CN112236812A (zh) | 2018-04-11 | 2021-01-15 | 邦吉欧维声学有限公司 | 音频增强听力保护系统 |
WO2020028833A1 (en) | 2018-08-02 | 2020-02-06 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
JP7095592B2 (ja) * | 2018-12-28 | 2022-07-05 | 日本電信電話株式会社 | 偏波多重光送信回路および偏波多重光送受信回路 |
US10958351B2 (en) | 2019-02-21 | 2021-03-23 | CACI, Inc.—Federal | Mitigation of atmospheric scintillation for communication |
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TWI719882B (zh) | 2020-04-10 | 2021-02-21 | 四零四科技股份有限公司 | 對光學收發器進行失效預測之方法及相關光學收發器和光纖通訊系統 |
DE102022131465B3 (de) * | 2022-11-29 | 2024-02-22 | Tesat-Spacecom Gmbh & Co. Kg | Modulatoreinheit zum Modulieren der Polarisation eines optischen Signals, optische Signalübertragungsstrecke sowie Satellit |
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-
2002
- 2002-01-18 US US10/052,886 patent/US20040208646A1/en not_active Abandoned
-
2003
- 2003-01-08 EP EP03000081A patent/EP1330054B1/de not_active Expired - Lifetime
- 2003-01-08 DE DE60310781T patent/DE60310781T2/de not_active Expired - Fee Related
- 2003-01-17 JP JP2003009997A patent/JP2003249897A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE60310781T2 (de) | 2007-10-18 |
EP1330054B1 (de) | 2007-01-03 |
JP2003249897A (ja) | 2003-09-05 |
US20040208646A1 (en) | 2004-10-21 |
EP1330054A3 (de) | 2005-04-06 |
EP1330054A2 (de) | 2003-07-23 |
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