DE69016144D1 - Vorverzerrungseinrichtung für digitale Übertragungsysteme. - Google Patents
Vorverzerrungseinrichtung für digitale Übertragungsysteme.Info
- Publication number
- DE69016144D1 DE69016144D1 DE69016144T DE69016144T DE69016144D1 DE 69016144 D1 DE69016144 D1 DE 69016144D1 DE 69016144 T DE69016144 T DE 69016144T DE 69016144 T DE69016144 T DE 69016144T DE 69016144 D1 DE69016144 D1 DE 69016144D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission systems
- digital transmission
- predistortion device
- predistortion
- digital
- 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
- H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
-
- 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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
- H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
- H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/438—Separate feedback of amplitude and phase signals being present
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/57—Separate feedback of real and complex signals being present
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8913092A FR2652969A1 (fr) | 1989-10-06 | 1989-10-06 | Dispositif de predistorsion pour systeme de transmission numerique. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69016144D1 true DE69016144D1 (de) | 1995-03-02 |
DE69016144T2 DE69016144T2 (de) | 1995-08-24 |
Family
ID=9386165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69016144T Expired - Fee Related DE69016144T2 (de) | 1989-10-06 | 1990-10-01 | Vorverzerrungseinrichtung für digitale Übertragungsysteme. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5113414A (de) |
EP (1) | EP0421533B1 (de) |
JP (1) | JP3076592B2 (de) |
AU (1) | AU642615B2 (de) |
CA (1) | CA2026820A1 (de) |
DE (1) | DE69016144T2 (de) |
FR (1) | FR2652969A1 (de) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2637431B1 (fr) * | 1988-09-30 | 1990-11-09 | Labo Electronique Physique | Circuit de predistorsion adaptative |
FR2652965A1 (fr) * | 1989-10-06 | 1991-04-12 | Philips Electronique Lab | Dispositif de predistorsion pour systeme de transmission numerique. |
SE465494B (sv) * | 1990-01-22 | 1991-09-16 | Ericsson Telefon Ab L M | Foerfarande att kompensera foer olineariteter i en slutfoerstaerkare |
GB2257860B (en) * | 1991-07-06 | 1995-09-20 | Racal Communications Syst Ltd | Amplification systems |
JPH05121958A (ja) * | 1991-10-29 | 1993-05-18 | Saitama Nippon Denki Kk | 直線増幅装置の歪補償制御方式 |
DE69310775T2 (de) * | 1993-07-09 | 1997-11-13 | Edmunde Eugene Newhall | Systeme mit erhöhter geschwindigkeit der informationsübertragung, welche eingebettete abtastmodulation und vorverzerrungsausgleich verwenden |
US5768317A (en) * | 1995-05-08 | 1998-06-16 | National Semiconductor Corporation | Equalization filter compensating for distortion in a surface acoustic wave device |
US5729575A (en) * | 1995-06-20 | 1998-03-17 | Motorola, Inc. | Transmitter and receiver system and method utilizing a pilot carrier notch data encoded signal |
US5661758A (en) * | 1996-01-16 | 1997-08-26 | Long; Michael E. | Single cycle data encoding method and apparatus |
FR2746564B1 (fr) * | 1996-03-22 | 1998-06-05 | Matra Communication | Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede |
FR2746563B1 (fr) * | 1996-03-22 | 1998-06-05 | Matra Communication | Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede |
CA2274718A1 (en) * | 1996-12-24 | 1998-07-02 | Gte Government Systems Corporation | Symbol lock detector |
US5987069A (en) * | 1996-12-24 | 1999-11-16 | Gte Government Systems Corporation | Method and apparatus for variably allocating upstream and downstream communication spectra |
US5948052A (en) * | 1997-04-17 | 1999-09-07 | Motorola, Inc. | Apparatus using a logarithm based processor and an audio amplifier |
US5900778A (en) * | 1997-05-08 | 1999-05-04 | Stonick; John T. | Adaptive parametric signal predistorter for compensation of time varying linear and nonlinear amplifier distortion |
US6072364A (en) * | 1997-06-17 | 2000-06-06 | Amplix | Adaptive digital predistortion for power amplifiers with real time modeling of memoryless complex gains |
KR100251561B1 (ko) | 1997-06-19 | 2000-04-15 | 윤종용 | 디지털통신시스템의송신기선형화장치및방법 |
US6282247B1 (en) * | 1997-09-12 | 2001-08-28 | Ericsson Inc. | Method and apparatus for digital compensation of radio distortion over a wide range of temperatures |
FR2773423B1 (fr) * | 1998-01-06 | 2001-10-19 | Alsthom Cge Alkatel | Procede et systeme de linearisation numerique d'un amplificateur |
EP0936781A1 (de) * | 1998-02-16 | 1999-08-18 | Alcatel | Vorverzerrungsmethode für über nichtreziproken Kanäle übermittelten Signale |
FI105506B (fi) * | 1998-04-30 | 2000-08-31 | Nokia Networks Oy | Vahvistimen linearisointimenetelmä ja vahvistinjärjestely |
US6304594B1 (en) | 1998-07-27 | 2001-10-16 | General Dynamics Government Systems Corporation | Interference detection and avoidance technique |
GB9823190D0 (en) * | 1998-10-23 | 1998-12-16 | Nds Ltd | Method and apparatus for reducing distorsion of digital data |
US6212229B1 (en) | 1998-12-16 | 2001-04-03 | General Dynamics Government Systems Corporation | Adaptive pre-emphasis technique |
CN1249913C (zh) * | 1999-05-28 | 2006-04-05 | 富士通株式会社 | 预失真类型的失真补偿放大设备 |
DE19927952A1 (de) | 1999-06-18 | 2001-01-04 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Vorverzerren eines über eine nicht-lineare Übertragungsstrecke zu übertragenden Übertragungssignals |
US6438360B1 (en) | 1999-07-22 | 2002-08-20 | Motorola, Inc. | Amplifier system with load control to produce an amplitude envelope |
US6160449A (en) * | 1999-07-22 | 2000-12-12 | Motorola, Inc. | Power amplifying circuit with load adjust for control of adjacent and alternate channel power |
US6166598A (en) * | 1999-07-22 | 2000-12-26 | Motorola, Inc. | Power amplifying circuit with supply adjust to control adjacent and alternate channel power |
US6349216B1 (en) | 1999-07-22 | 2002-02-19 | Motorola, Inc. | Load envelope following amplifier system |
US6674808B1 (en) | 1999-12-28 | 2004-01-06 | General Dynamics Decision Systems, Inc. | Post-amplifier filter rejection equalization |
US6963603B1 (en) | 2000-06-06 | 2005-11-08 | Ikanos Communication, Inc. | Method and apparatus for pre-compensation of an XDSL modem |
US7486722B2 (en) | 2001-04-18 | 2009-02-03 | Bae Systems Information And Electronic Systems Integration Inc. | Bandwidth efficient cable network modem |
US20020191705A1 (en) * | 2001-06-05 | 2002-12-19 | Melsa Peter J. | Method and apparatus for peak prediction enabling peak-to-average ratio (PAR) reduction |
US6812786B2 (en) * | 2002-04-11 | 2004-11-02 | Andrew Corporation | Zero-bias bypass switching circuit using mismatched 90 degrees hybrid |
US6700439B2 (en) | 2002-04-11 | 2004-03-02 | Andrew Corporation | Zero-bias bypass switch |
US6879641B2 (en) * | 2002-06-13 | 2005-04-12 | Bigband Networks Bas, Inc. | Transmit pre-equalization in a modem environment |
US7149484B2 (en) * | 2002-10-03 | 2006-12-12 | Intel Corporation | Portable communication device having adjustable amplification and method therefor |
US7333557B2 (en) * | 2002-12-16 | 2008-02-19 | Nortel Networks Limited | Adaptive controller for linearization of transmitter with impairments |
US7251290B2 (en) * | 2002-12-16 | 2007-07-31 | Nortel Networks Limited | Adaptive controller for linearization of transmitter |
GB2401516A (en) * | 2003-04-17 | 2004-11-10 | Univ Southampton | Peak-to-average power ratio reduction by subtracting shaped pulses from a baseband signal |
US20050111574A1 (en) * | 2003-09-30 | 2005-05-26 | Jan-Erik Muller | Transmission device with digital predistortion, and method for regulating predistortion in a transmission device |
US7372918B2 (en) * | 2003-09-30 | 2008-05-13 | Infineon Technologies Ag | Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device |
US7430248B2 (en) * | 2004-01-27 | 2008-09-30 | Crestcom, Inc. | Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter |
US7469491B2 (en) * | 2004-01-27 | 2008-12-30 | Crestcom, Inc. | Transmitter predistortion circuit and method therefor |
US20050163205A1 (en) * | 2004-01-27 | 2005-07-28 | Crestcom, Inc. | Equalized signal path with predictive subtraction signal and method therefor |
US7342976B2 (en) * | 2004-01-27 | 2008-03-11 | Crestcom, Inc. | Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter |
US7099399B2 (en) * | 2004-01-27 | 2006-08-29 | Crestcom, Inc. | Distortion-managed digital RF communications transmitter and method therefor |
US20050163208A1 (en) * | 2004-01-27 | 2005-07-28 | Crestcom, Inc. | Equalized signal path with predictive subtraction signal and method therefor |
DE102005013881A1 (de) * | 2005-03-24 | 2006-09-28 | Infineon Technologies Ag | Verfahren zur Signalverarbeitung und Sendeeinrichtung mit digitaler Vorverzerrung, insbesondere für den Mobilfunk |
DE102005013880B3 (de) * | 2005-03-24 | 2006-04-20 | Infineon Technologies Ag | Verfahren zur Vorverzerrung eines Signals und Sendeeinrichtung mit digitaler Vorverzerrung, insbesondere für Mobilfunk |
NL1030743C2 (nl) | 2005-12-22 | 2007-06-25 | Roxell Nv | Dispenserschaal voor voerdispenser. |
US8886341B1 (en) | 2006-04-04 | 2014-11-11 | Microsoft Corporation | Adaptive sample-by-sample controller for under-determined systems |
US8498590B1 (en) | 2006-04-04 | 2013-07-30 | Apple Inc. | Signal transmitter linearization |
US7796960B1 (en) | 2006-04-04 | 2010-09-14 | Nortel Networks Limited | Signal transmitter linearization |
US8995502B1 (en) | 2006-04-04 | 2015-03-31 | Apple Inc. | Transceiver with spectral analysis |
US7724840B2 (en) * | 2006-12-19 | 2010-05-25 | Crestcom, Inc. | RF transmitter with predistortion and method therefor |
US20080285640A1 (en) * | 2007-05-15 | 2008-11-20 | Crestcom, Inc. | RF Transmitter With Nonlinear Predistortion and Method Therefor |
GB0900045D0 (en) * | 2009-01-05 | 2009-02-11 | Astrium Ltd | A signal pre-processor for an amplifying system |
US20130015914A1 (en) * | 2011-07-12 | 2013-01-17 | Mediatek Inc. | Signal transmitting methods and transmitters using the same |
JP2015012412A (ja) * | 2013-06-28 | 2015-01-19 | 富士通株式会社 | 歪補償装置、歪補償方法、及び無線通信装置 |
CN104467913B (zh) * | 2014-10-24 | 2016-02-03 | 中国人民解放军国防科学技术大学 | 一种时分星间测量通信网络多址长码的生成方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4291277A (en) * | 1979-05-16 | 1981-09-22 | Harris Corporation | Adaptive predistortion technique for linearizing a power amplifier for digital data systems |
US4430651A (en) * | 1981-08-27 | 1984-02-07 | Burroughs Corporation | Expandable and contractible local area network system |
US4462001A (en) * | 1982-02-22 | 1984-07-24 | Canadian Patents & Development Limited | Baseband linearizer for wideband, high power, nonlinear amplifiers |
US4554514A (en) * | 1984-12-21 | 1985-11-19 | Rca Corporation | Predistortion circuit with feedback |
US4700151A (en) * | 1985-03-20 | 1987-10-13 | Nec Corporation | Modulation system capable of improving a transmission system |
US4675618A (en) * | 1986-06-09 | 1987-06-23 | Rockwell International Corporation | Linearizer circuit for frequency modulation oscillator |
JPH0626352B2 (ja) * | 1987-11-20 | 1994-04-06 | 日本電気エンジニアリング株式会社 | プログラマブル変調回路 |
-
1989
- 1989-10-06 FR FR8913092A patent/FR2652969A1/fr not_active Withdrawn
-
1990
- 1990-10-01 EP EP90202589A patent/EP0421533B1/de not_active Expired - Lifetime
- 1990-10-01 DE DE69016144T patent/DE69016144T2/de not_active Expired - Fee Related
- 1990-10-03 JP JP02266161A patent/JP3076592B2/ja not_active Expired - Fee Related
- 1990-10-03 CA CA002026820A patent/CA2026820A1/en not_active Abandoned
- 1990-10-04 AU AU63748/90A patent/AU642615B2/en not_active Ceased
- 1990-10-09 US US07/595,346 patent/US5113414A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU6374890A (en) | 1991-04-11 |
JP3076592B2 (ja) | 2000-08-14 |
AU642615B2 (en) | 1993-10-21 |
EP0421533A1 (de) | 1991-04-10 |
DE69016144T2 (de) | 1995-08-24 |
FR2652969A1 (fr) | 1991-04-12 |
US5113414A (en) | 1992-05-12 |
EP0421533B1 (de) | 1995-01-18 |
JPH03135232A (ja) | 1991-06-10 |
CA2026820A1 (en) | 1991-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |