TW333725B - The modulating technology for eliminating phase noise of local oscillator - Google Patents
The modulating technology for eliminating phase noise of local oscillatorInfo
- Publication number
- TW333725B TW333725B TW083111981A TW83111981A TW333725B TW 333725 B TW333725 B TW 333725B TW 083111981 A TW083111981 A TW 083111981A TW 83111981 A TW83111981 A TW 83111981A TW 333725 B TW333725 B TW 333725B
- Authority
- TW
- Taiwan
- Prior art keywords
- signal
- modulating
- local oscillator
- phase noise
- frequency
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 4
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)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW333725B true TW333725B (en) | 1998-06-11 |
Family
ID=22702801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW083111981A TW333725B (en) | 1994-02-02 | 1994-12-21 | The modulating technology for eliminating phase noise of local oscillator |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5446421A (zh) |
| EP (1) | EP0742973B1 (zh) |
| JP (1) | JPH09508769A (zh) |
| KR (1) | KR100363760B1 (zh) |
| CN (1) | CN1080031C (zh) |
| DE (1) | DE69521884T2 (zh) |
| MX (1) | MX9603195A (zh) |
| MY (1) | MY115333A (zh) |
| TW (1) | TW333725B (zh) |
| WO (1) | WO1995021493A1 (zh) |
Families Citing this family (52)
| 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 |
| US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
| 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 |
| US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
| US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
| US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
| US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
| US7321735B1 (en) | 1998-10-21 | 2008-01-22 | Parkervision, Inc. | Optical down-converter using universal frequency translation technology |
| US7295826B1 (en) | 1998-10-21 | 2007-11-13 | Parkervision, Inc. | Integrated frequency translation and selectivity with gain control functionality, and applications thereof |
| US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
| 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 |
| US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
| US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
| US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
| US7006805B1 (en) | 1999-01-22 | 2006-02-28 | Parker Vision, Inc. | Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service |
| US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
| US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
| US6873836B1 (en) | 1999-03-03 | 2005-03-29 | Parkervision, Inc. | Universal platform module and methods and apparatuses relating thereto enabled by 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 |
| US7110435B1 (en) | 1999-03-15 | 2006-09-19 | Parkervision, Inc. | Spread spectrum applications of universal frequency translation |
| US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
| 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 |
| US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
| US7072390B1 (en) | 1999-08-04 | 2006-07-04 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments |
| US7054296B1 (en) | 1999-08-04 | 2006-05-30 | Parkervision, Inc. | Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation |
| 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 |
| US7082171B1 (en) | 1999-11-24 | 2006-07-25 | Parkervision, Inc. | Phase shifting applications of universal frequency translation |
| US6963734B2 (en) | 1999-12-22 | 2005-11-08 | Parkervision, Inc. | Differential frequency down-conversion using techniques of universal frequency translation technology |
| US7292835B2 (en) | 2000-01-28 | 2007-11-06 | Parkervision, Inc. | Wireless and wired cable modem applications of universal frequency translation technology |
| US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
| US7554508B2 (en) | 2000-06-09 | 2009-06-30 | Parker Vision, Inc. | Phased array antenna applications on universal frequency translation |
| US7199650B1 (en) | 2000-10-11 | 2007-04-03 | 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 |
| US7010559B2 (en) | 2000-11-14 | 2006-03-07 | Parkervision, Inc. | Method and apparatus for a parallel correlator 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 |
| US7085335B2 (en) | 2001-11-09 | 2006-08-01 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
| US6975848B2 (en) | 2002-06-04 | 2005-12-13 | Parkervision, Inc. | Method and apparatus for DC offset removal in a radio frequency communication channel |
| US7321640B2 (en) | 2002-06-07 | 2008-01-22 | Parkervision, Inc. | Active polyphase inverter filter for quadrature signal generation |
| DE10243382A1 (de) * | 2002-06-27 | 2004-04-08 | Infineon Technologies Ag | Schaltungsanordnung mit Phasenregelkreis und Sendeempfänger mit der Schaltungsanordnung |
| 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 not_active Ceased
- 1995-01-20 DE DE69521884T patent/DE69521884T2/de not_active Expired - Fee Related
- 1995-01-20 JP JP7520634A patent/JPH09508769A/ja active Pending
- 1995-01-20 MX MX9603195A patent/MX9603195A/es unknown
- 1995-01-20 EP EP95908591A patent/EP0742973B1/en not_active Expired - Lifetime
- 1995-01-20 KR KR1019960704109A patent/KR100363760B1/ko not_active Expired - Fee Related
- 1995-01-20 CN CN95191954A patent/CN1080031C/zh not_active Expired - Fee Related
- 1995-01-27 MY MYPI95000212A patent/MY115333A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR970700959A (ko) | 1997-02-12 |
| EP0742973B1 (en) | 2001-07-25 |
| CN1080031C (zh) | 2002-02-27 |
| US5446421A (en) | 1995-08-29 |
| WO1995021493A1 (en) | 1995-08-10 |
| DE69521884T2 (de) | 2003-03-27 |
| CN1143432A (zh) | 1997-02-19 |
| MX9603195A (es) | 1997-03-29 |
| KR100363760B1 (ko) | 2003-03-15 |
| MY115333A (en) | 2003-05-31 |
| JPH09508769A (ja) | 1997-09-02 |
| EP0742973A1 (en) | 1996-11-20 |
| DE69521884D1 (de) | 2001-08-30 |
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