ATE95016T1 - Verfahren und geraet zur nachrichtenuebertragung. - Google Patents
Verfahren und geraet zur nachrichtenuebertragung.Info
- Publication number
- ATE95016T1 ATE95016T1 AT89303323T AT89303323T ATE95016T1 AT E95016 T1 ATE95016 T1 AT E95016T1 AT 89303323 T AT89303323 T AT 89303323T AT 89303323 T AT89303323 T AT 89303323T AT E95016 T1 ATE95016 T1 AT E95016T1
- Authority
- AT
- Austria
- Prior art keywords
- transmitted
- signals
- communication transmission
- combined
- information
- Prior art date
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
- H04B10/25—Arrangements specific to fibre transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/008—Polarisation modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Information Transfer Between Computers (AREA)
- Radar Systems Or Details Thereof (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888808043A GB8808043D0 (en) | 1988-04-06 | 1988-04-06 | Methods & apparatus for transmitting information |
EP89303323A EP0337644B1 (de) | 1988-04-06 | 1989-04-04 | Verfahren und Gerät zur Nachrichtenübertragung |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE95016T1 true ATE95016T1 (de) | 1993-10-15 |
Family
ID=10634661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT89303323T ATE95016T1 (de) | 1988-04-06 | 1989-04-04 | Verfahren und geraet zur nachrichtenuebertragung. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5107358A (de) |
EP (1) | EP0337644B1 (de) |
JP (1) | JPH03503705A (de) |
AT (1) | ATE95016T1 (de) |
AU (1) | AU627175B2 (de) |
CA (1) | CA1324689C (de) |
DE (1) | DE68909286T2 (de) |
ES (1) | ES2045416T3 (de) |
GB (1) | GB8808043D0 (de) |
WO (1) | WO1989010031A1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5132829A (en) * | 1989-12-18 | 1992-07-21 | Bell Telephone Laboratories Inc. | Tone spacing and power level monitor for fsk lightwave systems |
US5267072A (en) * | 1991-05-20 | 1993-11-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Dual frequency optical carrier technique for transmission of reference frequencies in dispersive media |
IT1250199B (it) * | 1991-07-04 | 1995-04-03 | Cselt Centro Studi Lab Telecom | Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione |
IT1250198B (it) * | 1991-07-04 | 1995-04-03 | Cselt Centro Studi Lab Telecom | Sistema di comunicazione ottica coerente a modulazione di polarizzazione |
NL9200748A (nl) * | 1992-04-23 | 1993-11-16 | Nederland Ptt | Optische signaaloverdracht met polarisatie-ongevoelige coherente detectie en frekwentiestabilisatie aan de ontvangstzijde. |
CA2112175A1 (en) * | 1993-03-08 | 1994-09-09 | Neal S. Bergano | Technique for reducing nonlinear signal degradation and fading in a long optical transmission system |
JP3515116B2 (ja) * | 1993-03-31 | 2004-04-05 | ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | Rf成分を有する光周波数の発生 |
US5491576A (en) * | 1993-12-23 | 1996-02-13 | At&T Corp. | Dual-wavelength data transmitter for reducing fading in an optical transmission system |
CA2133132A1 (en) * | 1993-12-23 | 1995-06-24 | Glen M. Homsey | Technique for improving performance in an optical transmission system |
GB2286937B (en) * | 1994-02-26 | 1998-06-10 | Northern Telecom Ltd | Spectral polarisation separator |
US5452124A (en) * | 1994-03-04 | 1995-09-19 | Williams Telecommunications Group, Inc. | Unidirectional amplification for bi-directional transmission using wavelength-division multiplexing |
US5526162A (en) * | 1994-09-27 | 1996-06-11 | At&T Corp. | Synchronous polarization and phase modulation for improved performance of optical transmission systems |
DE4444218A1 (de) * | 1994-12-13 | 1996-06-27 | Sel Alcatel Ag | Optische Sendeeinrichtung für ein optisches Nachrichtenübertragungssystem in Verbindung mit einem Funksystem |
US5920415A (en) * | 1995-11-21 | 1999-07-06 | The University Of Rochester | Transmission of optical signals |
US5710651A (en) * | 1995-12-13 | 1998-01-20 | California Institute Of Technology | Remote millimeter-wave antenna fiber optic communication system using dual optical signal with millimeter-wave beat frequency |
US6310709B1 (en) | 1995-12-29 | 2001-10-30 | Tyco Submarine Systems Ltd. | Synchronous polarization and phase modulation using a periodic waveform with complex harmonics for improved performance of optical transmission systems |
DE19737482A1 (de) | 1997-08-28 | 1999-03-04 | Alsthom Cge Alcatel | Verfahren zur optischen Übertragung über ein Lichtwellenleiternetz, sowie optisches Übertragungsnetz |
EP0928080A1 (de) * | 1997-12-31 | 1999-07-07 | PIRELLI CAVI E SISTEMI S.p.A. | Unterdrückung polarisationsabhängigem Locheinbrennen mit einem akusto-optischen Modulator |
US6377378B1 (en) | 1998-01-16 | 2002-04-23 | Pirelli Cavi E Sistemi S.P.A. | Suppression of polarization hole burning with an acousto-optic modulator |
US20060291868A1 (en) * | 1999-12-29 | 2006-12-28 | Forster Energy Llc | Optical communications using multiplexed single sideband transmission and heterodyne detection |
US20020077071A1 (en) * | 2000-07-14 | 2002-06-20 | Williams Lawrence I. | Spin polarized wave division |
US6490069B1 (en) * | 2001-01-29 | 2002-12-03 | Stratalight Communications, Inc. | Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subtraction-based encoder |
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 |
ATE354891T1 (de) * | 2001-08-16 | 2007-03-15 | Ericsson Telefon Ab L M | Optischer verstärker |
WO2003028785A2 (en) * | 2001-10-03 | 2003-04-10 | Medical Instill Technologies, Inc. | Syringe and reconstitution syringe |
JPWO2004025879A1 (ja) * | 2002-09-10 | 2006-01-12 | アライドテレシスホールディングス株式会社 | 光無線通信システム、光無線通信装置、光無線通信方法、及びプログラム |
KR100617709B1 (ko) * | 2004-08-05 | 2006-08-28 | 삼성전자주식회사 | 주파수 변조 방식의 광송신 장치 및 방법 |
JP4498953B2 (ja) * | 2005-03-03 | 2010-07-07 | 日本電信電話株式会社 | コヒーレント光通信装置およびコヒーレント光通信システム |
US7375680B2 (en) * | 2005-05-12 | 2008-05-20 | L-3 Communications Corporation | Ionosphere delay measurement using carrier phase |
JP4703303B2 (ja) * | 2005-07-22 | 2011-06-15 | 日本電信電話株式会社 | 光送信器および周波数シフト型高密度光周波数多重伝送システム |
JP4519745B2 (ja) * | 2005-09-22 | 2010-08-04 | 日本電信電話株式会社 | 周波数シフト型高密度光周波数多重伝送用光送信ユニット、伝送システム及び波長配置方法 |
JP5182154B2 (ja) * | 2009-03-03 | 2013-04-10 | Kddi株式会社 | 光通信システム |
US8542992B2 (en) * | 2010-02-26 | 2013-09-24 | Fujitsu Limited | System and method for mitigating polarization hole burning |
US8811822B2 (en) * | 2010-02-26 | 2014-08-19 | Fujitsu Limited | System and method for selection of ghost channels for mitigating polarization hole burning |
US8670664B2 (en) * | 2010-02-26 | 2014-03-11 | Fujitsu Limited | System and method for managing the selection of ghost channels for mitigating polarization hole burning |
US8090259B2 (en) * | 2010-02-26 | 2012-01-03 | Fujitsu Limited | System and method for optimizing the selection of ghost channels in mitigating polarization hole burning |
US11621795B2 (en) * | 2020-06-01 | 2023-04-04 | Nubis Communications, Inc. | Polarization-diversity optical power supply |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2707749A (en) * | 1949-06-21 | 1955-05-03 | Rines Robert Harvey | System of light beam communication |
GB850110A (en) * | 1958-02-12 | 1960-09-28 | Marconi Wireless Telegraph Co | Improvements in or relating to radio communication systems |
US3457414A (en) * | 1964-08-20 | 1969-07-22 | Avco Corp | Polarized color optical communication system |
GB8515499D0 (en) * | 1985-06-19 | 1985-07-24 | British Telecomm | Digital information transmission system |
US5008958A (en) * | 1988-01-19 | 1991-04-16 | At&T Bell Laboratories | Polarization-insensitive technique for coherent optical communication |
-
1988
- 1988-04-06 GB GB888808043A patent/GB8808043D0/en active Pending
-
1989
- 1989-04-04 JP JP1504179A patent/JPH03503705A/ja active Pending
- 1989-04-04 ES ES89303323T patent/ES2045416T3/es not_active Expired - Lifetime
- 1989-04-04 US US07/603,708 patent/US5107358A/en not_active Expired - Fee Related
- 1989-04-04 EP EP89303323A patent/EP0337644B1/de not_active Expired - Lifetime
- 1989-04-04 CA CA000595679A patent/CA1324689C/en not_active Expired - Fee Related
- 1989-04-04 WO PCT/GB1989/000343 patent/WO1989010031A1/en unknown
- 1989-04-04 AU AU34155/89A patent/AU627175B2/en not_active Ceased
- 1989-04-04 DE DE89303323T patent/DE68909286T2/de not_active Expired - Lifetime
- 1989-04-04 AT AT89303323T patent/ATE95016T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH03503705A (ja) | 1991-08-15 |
EP0337644B1 (de) | 1993-09-22 |
AU3415589A (en) | 1989-11-03 |
ES2045416T3 (es) | 1994-01-16 |
AU627175B2 (en) | 1992-08-20 |
GB8808043D0 (en) | 1988-05-25 |
DE68909286T2 (de) | 1994-04-28 |
WO1989010031A1 (en) | 1989-10-19 |
US5107358A (en) | 1992-04-21 |
CA1324689C (en) | 1993-11-23 |
DE68909286D1 (de) | 1993-10-28 |
EP0337644A1 (de) | 1989-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |