DE69521884D1 - Modulationstechnik zum auslöschen des phasenrauschens eines lokalen oszillators - Google Patents
Modulationstechnik zum auslöschen des phasenrauschens eines lokalen oszillatorsInfo
- Publication number
- DE69521884D1 DE69521884D1 DE69521884T DE69521884T DE69521884D1 DE 69521884 D1 DE69521884 D1 DE 69521884D1 DE 69521884 T DE69521884 T DE 69521884T DE 69521884 T DE69521884 T DE 69521884T DE 69521884 D1 DE69521884 D1 DE 69521884D1
- Authority
- DE
- Germany
- Prior art keywords
- cancel
- local oscillator
- phase noise
- modulation technology
- modulation
- 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
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
-
- 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
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/190,793 US5446421A (en) | 1994-02-02 | 1994-02-02 | Local oscillator phase noise cancelling modulation technique |
PCT/US1995/000772 WO1995021493A1 (en) | 1994-02-02 | 1995-01-20 | Local oscillator phase noise cancelling modulation technique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521884D1 true DE69521884D1 (de) | 2001-08-30 |
DE69521884T2 DE69521884T2 (de) | 2003-03-27 |
Family
ID=22702801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521884T Expired - Fee Related DE69521884T2 (de) | 1994-02-02 | 1995-01-20 | Modulationstechnik zum auslöschen des phasenrauschens eines lokalen oszillators |
Country Status (10)
Country | Link |
---|---|
US (1) | US5446421A (de) |
EP (1) | EP0742973B1 (de) |
JP (1) | JPH09508769A (de) |
KR (1) | KR100363760B1 (de) |
CN (1) | CN1080031C (de) |
DE (1) | DE69521884T2 (de) |
MX (1) | MX9603195A (de) |
MY (1) | MY115333A (de) |
TW (1) | TW333725B (de) |
WO (1) | WO1995021493A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2616417B2 (ja) * | 1993-12-24 | 1997-06-04 | 日本電気株式会社 | 移動無線端末機の瞬断防止方法と装置 |
GB2320633B (en) * | 1996-12-17 | 2000-12-27 | Motorola Gmbh | Frequency generating circuit and method of operation |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US6658115B1 (en) * | 1999-11-16 | 2003-12-02 | Radioshack, Corp. | Method and apparatus for high fidelity wireless stereophonic transmission |
US7343015B2 (en) * | 1999-11-16 | 2008-03-11 | Radio Shack Corporation | Method and apparatus for high fidelity wireless stereophonic transmission utilizing dual frequency carriers |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7292091B1 (en) | 2000-10-11 | 2007-11-06 | Silicon Laboratories Inc. | Method and apparatus for reducing interference |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
JP4876357B2 (ja) * | 2001-09-06 | 2012-02-15 | 大日本印刷株式会社 | 文字記号部を有する基板とその文字記号部の加工方法 |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
JP4901497B2 (ja) * | 2007-01-19 | 2012-03-21 | 株式会社東芝 | 通信システム、送信機、受信機、通信方法、送信機検出方法、通信手順設定方法 |
FR2928014B1 (fr) * | 2008-02-26 | 2011-12-23 | Thales Sa | Dispositif electronique destine a des equipements hyperfrequences embarques sur satellite |
US8817802B2 (en) * | 2011-12-21 | 2014-08-26 | Comtech Ef Data Corp. | Method and system for providing hitless switching while maintaining a power equivalent bandwidth (PEB) ratio using multiple carriers |
KR20160003820U (ko) | 2015-04-27 | 2016-11-04 | 김진호 | 도어의 하부롤러 장착구조 |
US11962339B2 (en) * | 2020-08-25 | 2024-04-16 | Samsung Electronics Co., Ltd. | Method and apparatus for reduced size RF filter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2957953A (en) * | 1955-02-28 | 1960-10-25 | Rca Corp | Noise elimination in a recorderreproducer system |
US3084329A (en) * | 1959-08-06 | 1963-04-02 | Electronic Communications | Noise suppression technique for radio circuits |
US3873931A (en) * | 1973-10-05 | 1975-03-25 | Comstron Corp | FM demodulator circuits |
DE2421080A1 (de) * | 1974-05-02 | 1975-11-13 | Licentia Gmbh | Verfahren zur uebertragung von auf einem traeger in amplitudenmodulation in form gebuendelter nachrichtenkanaele aufmodulierter nachrichten |
US4393518A (en) * | 1981-01-16 | 1983-07-12 | Bell Telephone Laboratories, Incorporated | Optical communication arrangement |
US5126871A (en) * | 1989-11-15 | 1992-06-30 | General Instrument Corporation | Method and apparatus for redundant communication of optical signals with distortion cancellation |
DE4040170A1 (de) * | 1990-12-15 | 1992-06-17 | Standard Elektrik Lorenz Ag | Uebertragungssignal |
-
1994
- 1994-02-02 US US08/190,793 patent/US5446421A/en not_active Expired - Fee Related
- 1994-12-21 TW TW083111981A patent/TW333725B/zh active
-
1995
- 1995-01-20 WO PCT/US1995/000772 patent/WO1995021493A1/en active IP Right Grant
- 1995-01-20 CN CN95191954A patent/CN1080031C/zh not_active Expired - Fee Related
- 1995-01-20 EP EP95908591A patent/EP0742973B1/de not_active Expired - Lifetime
- 1995-01-20 JP JP7520634A patent/JPH09508769A/ja active Pending
- 1995-01-20 KR KR1019960704109A patent/KR100363760B1/ko not_active IP Right Cessation
- 1995-01-20 MX MX9603195A patent/MX9603195A/es unknown
- 1995-01-20 DE DE69521884T patent/DE69521884T2/de not_active Expired - Fee Related
- 1995-01-27 MY MYPI95000212A patent/MY115333A/en unknown
Also Published As
Publication number | Publication date |
---|---|
TW333725B (en) | 1998-06-11 |
EP0742973B1 (de) | 2001-07-25 |
US5446421A (en) | 1995-08-29 |
CN1143432A (zh) | 1997-02-19 |
KR970700959A (ko) | 1997-02-12 |
CN1080031C (zh) | 2002-02-27 |
JPH09508769A (ja) | 1997-09-02 |
MY115333A (en) | 2003-05-31 |
KR100363760B1 (ko) | 2003-03-15 |
DE69521884T2 (de) | 2003-03-27 |
WO1995021493A1 (en) | 1995-08-10 |
EP0742973A1 (de) | 1996-11-20 |
MX9603195A (es) | 1997-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69521884D1 (de) | Modulationstechnik zum auslöschen des phasenrauschens eines lokalen oszillators | |
DE69624039D1 (de) | Hemmung der katalytischen Oxidation eines Kohlenstoff-Kohlenstoff-Verbundwerkstoffes | |
DE69309436D1 (de) | Rohreinheit zum effizienten Zünden eines Katalysators | |
DE69215669D1 (de) | Adaptive phasenregelung für den vorverzerrer eines leistungsverstärkers | |
EP0795234A4 (de) | Phasenregelkreis mit pilotfrequenz | |
NO943145D0 (no) | Fremgangsmåte for dampomdanning av hydrokarboner | |
DE69317687D1 (de) | Frequenzbereichpolarimeter | |
DE69735148D1 (de) | Verbesserung des Signal-Rauschverhältnisses eines 2. harmonischen Interferometers | |
DE69310805D1 (de) | Abstimmen eines Vibrator-Drehmessaufnehmers | |
DE69502987D1 (de) | Hemmung der katalytischen Oxidation eines Kohlenstoff-Kohlenstoff-Verbundwerkstoffs | |
DK0639253T3 (da) | Dampgenerator med tvungent gennemløb | |
DE59506763D1 (de) | Neue Kristallmodifikation eines Diketopyrrolopyrrolpigments | |
DE69103769D1 (de) | Ausrichtung der phase eines taktsignals. | |
DE69124604D1 (de) | Maske zur phasenverschiebung | |
DE19581246T1 (de) | Spektrale Änderungen durch Phasenmodulation mit räumlicher Erstreckung | |
DE69905686D1 (de) | Frequenzvervielfacher zum effizienten Bereitstellen von stabilen Oberwellen oberhalb der vierten Ordnung | |
FR2628910B1 (fr) | Detecteur de phase/frequence n-(pi) | |
DE69308551D1 (de) | Ölsperre und schlauch zum spannen derselben | |
GB2280554B (en) | Low phase noise reference oscillator | |
DE59506764D1 (de) | Zwei neue Kristallmodifikationen eines Diketopyrrolopyrrolpigments | |
DE69507581D1 (de) | Einrichtung eines Drehstromfilters | |
DE59506761D1 (de) | Neue Kristallmodifikation eines Diketopyrrolopyrrolpigments | |
DE69707525D1 (de) | Umwandlung von Synthesegas in Kohlenwasserstoffe in Anwesenheit einer flüssigen Fase | |
NZ300471A (en) | Using interference effects for amplitude to phase conversion logic | |
ATA37592A (de) | Anordnung zum begrünen von problemflächen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8332 | No legal effect for de | ||
8370 | Indication of lapse of patent is to be deleted | ||
8339 | Ceased/non-payment of the annual fee |