DE69931219D1 - Verfahren und vorrichtung zur pilotgewinnung eines spreizspektrumsignale für hf-verstärkern - Google Patents
Verfahren und vorrichtung zur pilotgewinnung eines spreizspektrumsignale für hf-verstärkernInfo
- Publication number
- DE69931219D1 DE69931219D1 DE69931219T DE69931219T DE69931219D1 DE 69931219 D1 DE69931219 D1 DE 69931219D1 DE 69931219 T DE69931219 T DE 69931219T DE 69931219 T DE69931219 T DE 69931219T DE 69931219 D1 DE69931219 D1 DE 69931219D1
- Authority
- DE
- Germany
- Prior art keywords
- amplifiers
- spectrum signals
- spreading spectrum
- pilot recovery
- pilot
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
- H03F1/3235—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction using a pilot signal
-
- 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
- H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/006,539 US5999048A (en) | 1998-01-13 | 1998-01-13 | Method and apparatus for spread spectrum pilot extraction for RF amplifiers |
US6539 | 1998-01-13 | ||
PCT/US1999/000168 WO1999037020A1 (en) | 1998-01-13 | 1999-01-13 | Method and apparatus for spread spectrum pilot extraction for rf amplifiers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69931219D1 true DE69931219D1 (de) | 2006-06-14 |
DE69931219T2 DE69931219T2 (de) | 2007-05-10 |
Family
ID=21721373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69931219T Expired - Lifetime DE69931219T2 (de) | 1998-01-13 | 1999-01-13 | Verfahren und vorrichtung zur pilotgewinnung eines spreizspektrumsignale für hf-verstärkern |
Country Status (5)
Country | Link |
---|---|
US (1) | US5999048A (de) |
EP (1) | EP0974191B1 (de) |
JP (2) | JPH11259100A (de) |
DE (1) | DE69931219T2 (de) |
WO (1) | WO1999037020A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6553211B1 (en) * | 1998-08-20 | 2003-04-22 | Lucent Technologies Inc. | Method and apparatus for adjusting pilot signal relative to input signal |
US6411644B1 (en) * | 1998-09-29 | 2002-06-25 | Lucent Technologies Inc. | Frequency hop pilot technique for a control system that reduces distortion produced by electrical circuits |
JP2001053552A (ja) * | 1999-08-10 | 2001-02-23 | Nec Corp | フィードフォワード増幅回路、及びフィードフォワード増幅回路における非線形歪の補償方法。 |
US6392480B1 (en) * | 1999-08-19 | 2002-05-21 | Lucent Technologies Inc. | Alternating gain and phase control system and method |
US6496708B1 (en) * | 1999-09-15 | 2002-12-17 | Motorola, Inc. | Radio frequency coupler apparatus suitable for use in a multi-band wireless communication device |
US6320461B1 (en) * | 2000-05-12 | 2001-11-20 | Jhong Sam Lee | Ultra-linear feedforward RF power amplifier |
US6608523B1 (en) * | 2000-08-24 | 2003-08-19 | Lucent Technologies Inc. | System and method for producing a pilot signal in a distortion reduction system |
US6897723B2 (en) * | 2000-12-22 | 2005-05-24 | Paradigm Wireless Communications, Llc | Feed-forward amplifier loop control utilizing if signal processing |
WO2002052717A2 (en) * | 2000-12-22 | 2002-07-04 | Paradigm Wireless Communications Llc | Feed-forward amplifier loop control utilizing if signal processing |
US6525603B1 (en) * | 2001-01-05 | 2003-02-25 | Remec, Inc. | Feedforward amplifier linearization adapting off modulation |
JP3582589B2 (ja) * | 2001-03-07 | 2004-10-27 | 日本電気株式会社 | 音声符号化装置及び音声復号化装置 |
SE0102026D0 (sv) * | 2001-06-07 | 2001-06-07 | Ericsson Telefon Ab L M | Method and arrangement relating to multicarrier power amplifiers |
WO2003003569A1 (en) * | 2001-06-29 | 2003-01-09 | Remec, Inc. | Balanced distortion reduction circuit |
CA2361015A1 (en) * | 2001-11-02 | 2003-05-02 | Spectrum Target Detection Inc. | Spread spectrum radar with leak compensation at baseband |
US6556076B1 (en) | 2001-12-17 | 2003-04-29 | Powerwave Technologies, Inc. | Feed forward amplifier with amplifier stage failure detection using pilot tones |
US6677817B2 (en) | 2001-12-17 | 2004-01-13 | Powerwave Technologies, Inc. | Feed forward amplifier with amplifier stage failure detection using pilot tones |
US20040227661A1 (en) * | 2003-05-12 | 2004-11-18 | Godsy Robert C. | Doppler radar system for measuring range, speed, and relative direction of movement of an object |
ES2439218T3 (es) | 2007-05-04 | 2014-01-22 | Astrium Limited | Amplificadores de múltiples puertos en satélites de comunicaciones |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2046413C (en) * | 1990-07-11 | 1994-01-04 | Shoichi Narahashi | Feed-forward amplifier |
US5130663A (en) * | 1991-04-15 | 1992-07-14 | Motorola, Inc. | Feed forward amplifier network with frequency swept pilot tone |
US5193224A (en) * | 1991-04-24 | 1993-03-09 | Northern Telecom Limited | Adaptive phase control for a power amplifier predistorter |
US5386198A (en) * | 1993-01-28 | 1995-01-31 | Telefonaktiebolaget L M Ericsson | Linear amplifier control |
JP3320210B2 (ja) * | 1994-05-31 | 2002-09-03 | 富士通株式会社 | 初期動作時不要波出力防止型フィードフォワード増幅装置 |
WO1996003802A1 (en) * | 1994-07-28 | 1996-02-08 | Aval Communications, Inc. | A novel cancellation loop, for a feed-forward amplifier, employing an adaptive controller |
US5455537A (en) * | 1994-08-19 | 1995-10-03 | Radio Frequency Systems, Inc. | Feed forward amplifier |
US5644268A (en) * | 1995-01-06 | 1997-07-01 | Spectrian, Inc. | Feed forward RF amplifier for combined signal and error amplification |
US5621354A (en) * | 1995-10-17 | 1997-04-15 | Motorola, Inc. | Apparatus and method for performing error corrected amplification in a radio frequency system |
-
1998
- 1998-01-13 US US09/006,539 patent/US5999048A/en not_active Expired - Lifetime
-
1999
- 1999-01-11 JP JP11004307A patent/JPH11259100A/ja active Pending
- 1999-01-13 DE DE69931219T patent/DE69931219T2/de not_active Expired - Lifetime
- 1999-01-13 WO PCT/US1999/000168 patent/WO1999037020A1/en active IP Right Grant
- 1999-01-13 EP EP99902056A patent/EP0974191B1/de not_active Expired - Lifetime
- 1999-01-13 JP JP53726999A patent/JP3851976B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69931219T2 (de) | 2007-05-10 |
JP3851976B2 (ja) | 2006-11-29 |
EP0974191B1 (de) | 2006-05-10 |
JP2001515690A (ja) | 2001-09-18 |
WO1999037020A1 (en) | 1999-07-22 |
JPH11259100A (ja) | 1999-09-24 |
US5999048A (en) | 1999-12-07 |
EP0974191A1 (de) | 2000-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69931219D1 (de) | Verfahren und vorrichtung zur pilotgewinnung eines spreizspektrumsignale für hf-verstärkern | |
DE69913588D1 (de) | Verfahren und Vorrichtung zur Belüftung eines Getriebes | |
DE69916397D1 (de) | Verfahren und Vorrichtung zur Betätigung eines Bohrlochwerkzeuges | |
DE69714336D1 (de) | Verfahren und Vorrichtung zur Aktualisierung eines Programms | |
DE69917978D1 (de) | Vorrichtung und Verfahren zur Komplettierung einer unterirdischen Bohrung | |
DE60038638D1 (de) | Verfahren und Vorrichtung zur Verrohrung eines Bohrloches | |
DE50108373D1 (de) | Vorrichtung und Verfahren zur Prüfung eines Brandmelders | |
DE69705356D1 (de) | Verfahren und Vorrichtung zur Gewichtung eines Uebertragungsweges | |
DE50012519D1 (de) | Verfahren zur fahrwegvisualisierung und vorrichtung | |
DE69731031D1 (de) | Verfahren und Vorrichtung zur Taktresynchronisierung eines Funksystems | |
DE60124350D1 (de) | Verfahren und Vorrichtung für variable Flugzeugdatenakquisition | |
DE60036376D1 (de) | Verfahren und vorrichtung zur sekundärionenausbeuteerhöhung | |
DE69803877D1 (de) | Vorrichtung und verfahren zur trennung eines heterogenen gemisches | |
DE69801106D1 (de) | Verfahren und vorrichtung zur niederdruckzerstäubung | |
DE69907299D1 (de) | Verfahren und Vorrichtung zur kontinuierlichen Sättigung eines Gases | |
DE60138083D1 (de) | Verfahren und Vorrichtung zur Ausführung einer kryptographischen Funktion | |
DE59913456D1 (de) | Verfahren und vorrichtung zur stabilisierung eines fahrzeuges | |
DE19982801T1 (de) | Verfahren und Vorrichtung zum Ausführen einer zielgerichteten Störungsunterdrückung | |
DE59705765D1 (de) | Verfahren und anordnung zur veränderung der funktion eines mobilen gerätes | |
DE59912621D1 (de) | Vorrichtung und verfahren zur stabilisierung eines fahrzeuges | |
ATE190785T1 (de) | Verfahren und vorrichtung zur festlegung eines arbeitspunktes eines nichtlinearen verstärkers in einem übertragungskanal | |
DE60120531D1 (de) | Verfahren und Vorrichtung zur Decodierung eines Spreizspektrumsignals für CDMA | |
DE60121284D1 (de) | Verfahren und Vorrichtung zur Ausführung einer kryptographischen Funktion | |
DE60141965D1 (de) | Verfahren und vorrichtung für artilleriegeschosse | |
DE59811144D1 (de) | Verfahren und Vorrichtung zur Überwachung der Funktion eines Kompressors |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |