ATE371326T1 - Verfahren und vorrichtung zur verzerrungsverminderung digitaler daten - Google Patents
Verfahren und vorrichtung zur verzerrungsverminderung digitaler datenInfo
- Publication number
- ATE371326T1 ATE371326T1 AT99950917T AT99950917T ATE371326T1 AT E371326 T1 ATE371326 T1 AT E371326T1 AT 99950917 T AT99950917 T AT 99950917T AT 99950917 T AT99950917 T AT 99950917T AT E371326 T1 ATE371326 T1 AT E371326T1
- Authority
- AT
- Austria
- Prior art keywords
- signal
- digital data
- approximation
- distorting
- reducing distortion
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 4
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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Radio Relay Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Communication Control (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9823190.5A GB9823190D0 (en) | 1998-10-23 | 1998-10-23 | Method and apparatus for reducing distorsion of digital data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE371326T1 true ATE371326T1 (de) | 2007-09-15 |
Family
ID=10841134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99950917T ATE371326T1 (de) | 1998-10-23 | 1999-10-22 | Verfahren und vorrichtung zur verzerrungsverminderung digitaler daten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6963621B1 (de) |
| EP (1) | EP1129556B1 (de) |
| AT (1) | ATE371326T1 (de) |
| DE (1) | DE69936930T2 (de) |
| GB (1) | GB9823190D0 (de) |
| WO (1) | WO2000025495A1 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2373417B (en) * | 2001-03-13 | 2004-06-09 | Tandberg Television Asa | Satellite communication apparatus |
| GB0106160D0 (en) * | 2001-03-13 | 2001-05-02 | Tandberg Television Asa | Distortion pre-corrector for communication apparatus |
| GB0107227D0 (en) * | 2001-03-22 | 2001-05-16 | Tandberg Television Asa | Corrector for non-monotonic characteristics of a satellite transmission channel |
| US6801086B1 (en) * | 2002-04-03 | 2004-10-05 | Andrew Corporation | Adaptive digital pre-distortion using amplifier model that incorporates frequency-dependent non-linearities |
| US7212583B2 (en) * | 2002-11-27 | 2007-05-01 | Nokia Corporation | Transmission of signal |
| US6812792B2 (en) * | 2003-01-02 | 2004-11-02 | Harris Corporation | Precorrection of a nonlinear amplifier |
| FI20040393A0 (fi) * | 2004-03-12 | 2004-03-12 | Nokia Corp | Esivääristysmenetelmä, mittausjärjestely, esivääristinrakenne, lähetin, vastaanotin ja kytkentälaite |
| US9559879B2 (en) | 2011-04-21 | 2017-01-31 | Mediatek Singapore Pte. Ltd. | PA cell, PA module, wireless communication unit, RF transmitter architecture and method therefor |
| US9088319B2 (en) | 2011-04-21 | 2015-07-21 | Mediatek Singapore Pte. Ltd. | RF transmitter architecture, integrated circuit device, wireless communication unit and method therefor |
| US9379742B2 (en) | 2011-04-21 | 2016-06-28 | Mediatek Singapore Pte. Ltd. | RF transmitter, integrated circuit device, wireless communication unit and method therefor |
| US10129055B2 (en) | 2011-04-21 | 2018-11-13 | Mediatek Singapore Pte. Ltd. | PA cell, PA module, wireless communication unit, RF transmitter architecture and method therefor |
| US9647866B2 (en) | 2011-04-21 | 2017-05-09 | Mediatek Singapore Pte, Ltd. | RF transmitter, integrated circuit device, wireless communication unit and method therefor |
| ITMI20111212A1 (it) * | 2011-06-30 | 2012-12-31 | Sky Italia S R L | Apparato per inviare segnali ad un satellite configurato per trasmissioni broadcast |
| GB201302359D0 (en) | 2013-02-11 | 2013-03-27 | Newtec Cy | Predistortion circuit and method for predistorting a signal |
| BE1023259B1 (nl) | 2015-12-24 | 2017-01-13 | Newtec Cy N.V. | Transmitter |
| CN115037346B (zh) * | 2022-05-07 | 2024-05-03 | 中国空间技术研究院 | 一种基于地面预失真的卫星功放线性化处理方法及系统 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2642243B1 (fr) | 1989-01-24 | 1991-04-19 | Labo Electronique Physique | Circuit de predistorsion adaptative |
| US4992754B1 (en) | 1989-09-07 | 1997-10-28 | Ortel Corp | Predistorter for linearization of electronic and optical signals |
| FR2652969A1 (fr) * | 1989-10-06 | 1991-04-12 | Philips Electronique Lab | Dispositif de predistorsion pour systeme de transmission numerique. |
| JPH10500824A (ja) | 1994-05-19 | 1998-01-20 | オーテル コーポレイション | 電子及び光信号線形化のための列をなした前置歪み発生装置 |
| US6288814B1 (en) * | 1994-05-19 | 2001-09-11 | Ortel Corporation | In-line predistorter for linearization of electronic and optical signals |
| JP3011082B2 (ja) | 1995-12-08 | 2000-02-21 | 日本電気株式会社 | 衛星回線大容量データ伝送方式 |
-
1998
- 1998-10-23 GB GBGB9823190.5A patent/GB9823190D0/en not_active Ceased
-
1999
- 1999-10-22 US US09/807,857 patent/US6963621B1/en not_active Expired - Lifetime
- 1999-10-22 AT AT99950917T patent/ATE371326T1/de not_active IP Right Cessation
- 1999-10-22 WO PCT/GB1999/003425 patent/WO2000025495A1/en not_active Ceased
- 1999-10-22 EP EP99950917A patent/EP1129556B1/de not_active Expired - Lifetime
- 1999-10-22 DE DE69936930T patent/DE69936930T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69936930D1 (de) | 2007-10-04 |
| DE69936930T2 (de) | 2008-05-15 |
| EP1129556A1 (de) | 2001-09-05 |
| EP1129556B1 (de) | 2007-08-22 |
| US6963621B1 (en) | 2005-11-08 |
| WO2000025495A1 (en) | 2000-05-04 |
| GB9823190D0 (en) | 1998-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |