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)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52886 | 2002-01-18 | ||
US10/052,886 US20040208646A1 (en) | 2002-01-18 | 2002-01-18 | System and method for multi-level phase modulated communication |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US10158337B2 (en) | 2004-08-10 | 2018-12-18 | 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 |
US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10848118B2 (en) | 2004-08-10 | 2020-11-24 | 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 |
US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
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 |
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 |
US10069471B2 (en) | 2006-02-07 | 2018-09-04 | 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 |
US7809284B2 (en) * | 2006-06-23 | 2010-10-05 | Alcatel-Lucent Usa Inc. | System and method for receiving coherent, polarization-multiplexed optical signals |
US7835650B2 (en) * | 2006-07-11 | 2010-11-16 | Drexel University | Optical domain frequency down-conversion of microwave signals |
US7916988B2 (en) * | 2006-12-22 | 2011-03-29 | Verizon Services Corp. | Optical splitter assembly |
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 |
JP5088052B2 (ja) | 2007-08-31 | 2012-12-05 | 富士通株式会社 | 偏光多重送信装置 |
JP2009063835A (ja) * | 2007-09-06 | 2009-03-26 | Oki Electric Ind Co Ltd | 光素子集積モジュール及び変調方法 |
EP2198543B1 (de) * | 2007-09-14 | 2016-12-14 | Semtech Corporation | Hochgeschwindigkeitsserialisierer, entsprechende komponenten, systeme und verfahren |
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 |
US8768168B2 (en) | 2008-09-03 | 2014-07-01 | Nec Corporation | Optical signal transmission systems, transmitters, receivers, and optical signal transmission method |
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 |
US20100086303A1 (en) * | 2008-10-02 | 2010-04-08 | Nec Laboratories America Inc | High speed polmux-ofdm using dual-polmux carriers and direct detection |
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 |
EP2569883A1 (de) * | 2010-05-14 | 2013-03-20 | France Télécom | Abschluss für eine optische leitung für die implementierung einer ofdm-modulationstechnik |
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 |
JPWO2012133472A1 (ja) * | 2011-03-25 | 2014-07-28 | 日本電気株式会社 | 光送信機及び波長多重伝送装置及び光送信方法 |
CN103635853B (zh) | 2011-07-01 | 2016-08-17 | 日本电气株式会社 | Rz光调制器和rz光调制方法 |
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 |
US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
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 |
AU2018236977B2 (en) * | 2017-03-21 | 2022-12-01 | Bifrost Communications ApS | Optical communication systems, devices, and methods including high performance optical receivers |
WO2019021917A1 (ja) * | 2017-07-25 | 2019-01-31 | Kddi株式会社 | 光受信機及びコヒーレント光受信方法 |
JP2021521700A (ja) | 2018-04-11 | 2021-08-26 | ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー | オーディオ強化聴力保護システム |
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 |
US11774655B2 (en) | 2019-12-19 | 2023-10-03 | Samsung Electronics Co., Ltd. | Simultaneous phase and polarization modulation by hybrid metasurface for on-chip polarization filters |
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 |
Family Cites Families (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3660608A (en) * | 1968-11-29 | 1972-05-02 | Bunker Ramo | Means for reducing cross talk in multiplexed circuitry |
US3752992A (en) * | 1969-05-28 | 1973-08-14 | Us Navy | Optical communication system |
US3752991A (en) * | 1971-06-28 | 1973-08-14 | Picker Corp | Photo timer |
CA1065020A (en) * | 1974-06-27 | 1979-10-23 | William L. Hatton | High reliability diversity communications system |
US3970838A (en) * | 1975-08-29 | 1976-07-20 | Hughes Aircraft Company | Dual channel phase locked optical homodyne receiver |
US4344178A (en) * | 1980-09-26 | 1982-08-10 | Harris Corporation | Costas loop QPSK demodulator |
US4581586A (en) * | 1984-08-17 | 1986-04-08 | Ford Aerospace & Communications Corporation | Crosstalk reduction in unbalanced QPSK detectors |
GB2172766B (en) * | 1985-03-21 | 1988-12-21 | Stc Plc | Optical receiver |
US4723315A (en) * | 1986-06-24 | 1988-02-02 | Itek Corporation | Polarization matching mixer |
GB8630959D0 (en) * | 1986-12-29 | 1987-02-04 | British Telecomm | Optical polarisation control |
US4814719A (en) * | 1987-12-14 | 1989-03-21 | Ford Aerospace & Communications Corporation | Unsymmetrical QPSK demodulator |
JPH063512B2 (ja) * | 1988-02-19 | 1994-01-12 | 富士通株式会社 | コヒーレント光通信用偏波ダイバーシティ光受信装置 |
EP0352809B1 (de) * | 1988-07-29 | 1997-04-16 | Nec Corporation | Optischer heterodyner Polarisationsdiversitätsempfänger mit Phaseneinstellung von zwei Zwischenfrequenzsignalen zur Steuerung einer lokalen Lichtquelle |
JPH0239131A (ja) * | 1988-07-29 | 1990-02-08 | Hitachi Ltd | 周波数間隔安定化方法、光ヘテロダイン又は光ホモダイン通信方法 |
US5264955A (en) * | 1989-01-09 | 1993-11-23 | Canon Kabushiki Kaisha | Optical space communication apparatus |
JPH0767093B2 (ja) * | 1989-03-28 | 1995-07-19 | 日本電気株式会社 | 偏波ダイバーシチ光ヘテロダイン検波受信方法およびその装置 |
IT1232056B (it) * | 1989-03-28 | 1992-01-23 | Cselt Centro Studi Lab Telecom | Modulatore veloce della polarizza zione di una portante ottica |
JP2820511B2 (ja) * | 1990-07-18 | 1998-11-05 | 富士通株式会社 | コヒーレント光通信用偏波ダイバーシティ受信装置 |
JP3001943B2 (ja) * | 1990-08-30 | 2000-01-24 | 株式会社東芝 | 偏波スイッチング光源、光受信装置及びコヒーレント光伝送システム |
JPH04144320A (ja) * | 1990-10-05 | 1992-05-18 | Hitachi Ltd | ホモダイン光受信装置 |
JPH04150628A (ja) * | 1990-10-15 | 1992-05-25 | Nec Corp | 光通信システムの波長安定化方法および回路 |
JPH04198927A (ja) * | 1990-11-29 | 1992-07-20 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光位相検波方式 |
US5111322A (en) * | 1991-04-04 | 1992-05-05 | At&T Bell Laboratories | Polarization multiplexing device with solitons and method using same |
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 |
US5408349A (en) * | 1991-07-05 | 1995-04-18 | Hitachi, Ltd. | Optical frequency division multiplexing transmission system |
NL9201077A (nl) * | 1992-06-18 | 1994-01-17 | Nederland Ptt | Optisch transmissiesysteem met frequentieregeling. |
US5341419A (en) * | 1992-08-21 | 1994-08-23 | The Whitaker Corporation | Capacitive unbalancing for reduction of differential mode cross-talk |
FR2699295B1 (fr) * | 1992-12-15 | 1995-01-06 | Thomson Csf | Dispositif de traitement optique de signaux électriques. |
US5424863A (en) * | 1993-09-23 | 1995-06-13 | Ael Industries, Inc. | Dual-polarization fiber optic communications link |
JP3846918B2 (ja) * | 1994-08-02 | 2006-11-15 | 富士通株式会社 | 光伝送システム、光多重伝送システム及びその周辺技術 |
US5532857A (en) * | 1994-09-07 | 1996-07-02 | Ael Industries, Inc. | Wide dynamic range optical link using DSSC linearizer |
JPH08331062A (ja) * | 1995-06-01 | 1996-12-13 | Toshiba Corp | 光受信回路 |
US5999570A (en) * | 1995-11-21 | 1999-12-07 | Sony Corporation | Transmission apparatus, sending apparatus, and receiving apparatus, and transmission method |
KR0159201B1 (ko) * | 1995-12-06 | 1998-12-01 | 양승택 | Cdma 시스템에서의 동기식 이중 채널 qpsk 변복조 장치 및 그 변복조방법 |
US5654818A (en) * | 1996-02-09 | 1997-08-05 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Polarization independent electro-optic modulator |
JP3027944B2 (ja) * | 1996-08-16 | 2000-04-04 | 日本電気株式会社 | 光デュオバイナリ信号光の生成方法および光送信装置 |
US5805567A (en) * | 1996-09-13 | 1998-09-08 | Lucent Technologies Inc. | Orthogonal modulation scheme |
CA2188358A1 (en) * | 1996-10-21 | 1998-04-21 | Michael J. Sieben | optical modulation system |
US5903555A (en) * | 1996-10-30 | 1999-05-11 | Trw Inc. | Modulation method and system using constant envelope ODSCDMA with low out-of-band emissions for non-linear amplification |
JP3016370B2 (ja) * | 1997-02-27 | 2000-03-06 | 日本電気株式会社 | 波長多重光通信用光源 |
JP3094950B2 (ja) * | 1997-05-28 | 2000-10-03 | 日本電気株式会社 | 光送信装置及び光送信方法 |
JP4184474B2 (ja) * | 1997-08-22 | 2008-11-19 | 松下電器産業株式会社 | 光伝送システムならびにそれに用いられる光送信装置および光受信装置 |
KR100246537B1 (ko) * | 1997-11-25 | 2000-03-15 | 정선종 | 코드분할 다중접속 시스템에서 파일럿 심벌을 이용한 동기식이중 채널 큐피에스케이 송수신기의 구조 |
EP0959571B1 (de) * | 1998-10-22 | 2001-08-29 | Contraves Space AG | Vorrichtung für den homodynen Empfang optischer phasenumgetasteter Signale |
US6819872B2 (en) * | 1999-06-23 | 2004-11-16 | Jds Uniphase Corporation | Micro-optic delay element for use in a time division multiplexed system |
CN100417049C (zh) * | 1999-06-28 | 2008-09-03 | 诺基亚西门子通信有限责任两合公司 | 检测偏振模式色散的装置 |
US6525857B1 (en) * | 2000-03-07 | 2003-02-25 | Opvista, Inc. | Method and apparatus for interleaved optical single sideband modulation |
US7076169B2 (en) * | 2000-09-26 | 2006-07-11 | Celight, Inc. | System and method for orthogonal frequency division multiplexed optical communication |
US7224906B2 (en) * | 2000-09-26 | 2007-05-29 | Celight, Inc. | Method and system for mitigating nonlinear transmission impairments in fiber-optic communications systems |
US7106979B1 (en) * | 2000-10-27 | 2006-09-12 | Ciena Corporation | Polarization mode dispersion compensating apparatus, system, and method |
GB2370473B (en) * | 2000-12-21 | 2004-04-07 | Marconi Caswell Ltd | Improvements in or relating to optical communication |
US7136588B1 (en) * | 2000-12-22 | 2006-11-14 | Cheetah Omni, Llc | Apparatus and method for optical add/drop multiplexing |
US6718143B2 (en) * | 2001-05-11 | 2004-04-06 | Visidyne, Inc. | Hyper-dense wavelength multiplexing system |
US7035538B2 (en) * | 2001-07-09 | 2006-04-25 | University Of Southern California | Monitoring optical dispersion based on vestigial side band optical filtering |
-
2002
- 2002-01-18 US US10/052,886 patent/US20040208646A1/en not_active Abandoned
-
2003
- 2003-01-08 DE DE60310781T patent/DE60310781T2/de not_active Expired - Fee Related
- 2003-01-08 EP EP03000081A patent/EP1330054B1/de not_active Expired - Lifetime
- 2003-01-17 JP JP2003009997A patent/JP2003249897A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1330054A3 (de) | 2005-04-06 |
EP1330054B1 (de) | 2007-01-03 |
EP1330054A2 (de) | 2003-07-23 |
DE60310781T2 (de) | 2007-10-18 |
US20040208646A1 (en) | 2004-10-21 |
JP2003249897A (ja) | 2003-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60310781D1 (de) | System und Verfahren zur Mehrpegel-Phasenmodulationübertragung | |
DE60333968D1 (de) | Verfahren und Einrichtung zur Frequenzmodulation | |
DE60207175D1 (de) | System und Verfahren zur Authentifizierung | |
DE60214946D1 (de) | Verfahren und System zur Bereitstellung von Informationen | |
DE60331985D1 (de) | System und Verfahren zur Verwaltung von Bilderzeugungsgeräten | |
DE60116447D1 (de) | Verfahren und System zur Verbindungsbehandlung | |
DE60301811D1 (de) | Verfahren zur Kommunikationssteuerung und System zur Kommunikationssteuerung | |
DE10341106A8 (de) | System und Verfahren zur Motorsteuerung | |
DE60204924D1 (de) | System und Verfahren zur Steuerung von Heimgeräten | |
DE60213158D1 (de) | System und Verfahren zur Interferenzreduktion | |
DE60302319D1 (de) | System und Verfahren zur Reinigung von Wasser | |
DE60323050D1 (de) | System und verfahren zur verwaltung von baumaschinen | |
DE60308601D1 (de) | Verfahren und System zur Authentifizierung von Kommunikationsendgeräten | |
DE60217171D1 (de) | Verfahren, System und Vorrichtung zur Datenübertragung | |
DE602004004706D1 (de) | Verfahren und System zur Kommunikationssteuerung | |
DE60034319D1 (de) | System und Verfahren zur Realzeitdatenübertragung | |
DE60317062D1 (de) | System und verfahren zur verbindungszulassungssteuerung | |
DE602004026140D1 (de) | Übertragungssystem und Verfahren zur Kommunikationssteuerung | |
DE602004003002D1 (de) | System und Verfahren zur Verringerung von Interferenzstörungen zwischen Datenübertragungssignalen | |
DE60034759D1 (de) | System und Verfahren zur Sendeleistungsregelung | |
DE60321824D1 (de) | System und verfahren zur minimierung der modulationsinstabilität | |
DE602004024327D1 (de) | Verfahren und system zur fernverwaltung von drahtlosen sende-/empfangseinheiten | |
DE60129108D1 (de) | Funktelekommunikationssystem und Verfahren zur asymmetrischen Datenübertragung | |
DE60030187D1 (de) | System und Verfahren zur Datagrammübertragung | |
DE60219335D1 (de) | System und Verfahren zur Konfiguration von Netzwerkvorrichtungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |