NO993128D0 - Adaptive distortion system - Google Patents
Adaptive distortion systemInfo
- Publication number
- NO993128D0 NO993128D0 NO993128A NO993128A NO993128D0 NO 993128 D0 NO993128 D0 NO 993128D0 NO 993128 A NO993128 A NO 993128A NO 993128 A NO993128 A NO 993128A NO 993128 D0 NO993128 D0 NO 993128D0
- Authority
- NO
- Norway
- Prior art keywords
- distortion system
- adaptive distortion
- adaptive
- distortion
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
-
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77414396A | 1996-12-24 | 1996-12-24 | |
PCT/US1997/024194 WO1998028888A1 (en) | 1996-12-24 | 1997-12-24 | Adaptive predistortion system |
Publications (2)
Publication Number | Publication Date |
---|---|
NO993128D0 true NO993128D0 (en) | 1999-06-23 |
NO993128L NO993128L (en) | 1999-08-20 |
Family
ID=25100366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO993128A NO993128L (en) | 1996-12-24 | 1999-06-23 | Adaptive distortion system |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0951769A1 (en) |
JP (1) | JP3993640B2 (en) |
KR (1) | KR20000062279A (en) |
AU (1) | AU738870B2 (en) |
CA (1) | CA2274522A1 (en) |
IL (1) | IL130264A0 (en) |
NO (1) | NO993128L (en) |
WO (1) | WO1998028888A1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100379451B1 (en) * | 1998-12-04 | 2003-09-19 | 엘지전자 주식회사 | Digital Television Transmission System and Operation Method |
KR100379452B1 (en) * | 1999-07-31 | 2003-04-10 | 엘지전자 주식회사 | Distortion Signal Compensation Method in Digital TV |
KR100404182B1 (en) * | 1999-08-14 | 2003-11-03 | 엘지전자 주식회사 | Alarm system of Digital TV translator and Method for using the same |
EP1236368B1 (en) * | 1999-08-30 | 2009-10-21 | IPCom GmbH & Co. KG | Method for transmitting signalling information, a master station, a mobile station and message elements |
DE19942768B4 (en) | 1999-08-30 | 2019-08-14 | Ipcom Gmbh & Co. Kg | Method for transmitting signaling information, transmitting station, mobile station and message elements |
KR100379455B1 (en) * | 1999-09-13 | 2003-04-10 | 엘지전자 주식회사 | Apparatus and Method for compensate distortion of Transmitter in Digital TV Translator |
KR20010060461A (en) * | 1999-12-27 | 2001-07-07 | 서평원 | Auto alarm method and apparatus for digital broadcasting system |
KR20010059728A (en) * | 1999-12-30 | 2001-07-06 | 서평원 | VSB auto corrector |
GB0004125D0 (en) * | 2000-02-23 | 2000-04-12 | Koninkl Philips Electronics Nv | Communications system |
KR20010113423A (en) * | 2000-06-16 | 2001-12-28 | 최승국 | Compensation of nonlinear distortion in OFDM systems with high power amplifier |
GB2375016B (en) * | 2001-04-27 | 2005-03-16 | Tandberg Television Asa | Satellite up-link fade compensation |
GB2376611A (en) * | 2001-06-14 | 2002-12-18 | Tandberg Television Asa | Method of adjusting received constellation points |
ITMI20011631A1 (en) * | 2001-07-27 | 2003-01-27 | Siemens Inf & Comm Networks | PROCEDURE FOR THE LINEARIZATION OF THE POWER STAGE OF A SYSTEM AND RECEIVER SIGNAL TRANSMITTER |
US7085330B1 (en) | 2002-02-15 | 2006-08-01 | Marvell International Ltd. | Method and apparatus for amplifier linearization using adaptive predistortion |
US7362821B1 (en) | 2002-05-22 | 2008-04-22 | Marvel International Ltd. | Method and apparatus for amplifier linearization using adaptive predistortion |
WO2003081870A1 (en) * | 2002-03-26 | 2003-10-02 | Her Majesty In Right Of Canada As Represented By The Minister Of Industry | Adaptive predistorter based on the probability distribution function of the output amplitude |
DE50304960D1 (en) * | 2003-07-17 | 2006-10-19 | Benq Corp | Method and circuit arrangement for linearizing a power amplifier in mobile telephones |
JP4417174B2 (en) | 2004-05-19 | 2010-02-17 | 株式会社日立国際電気 | Predistorter |
ATE535994T1 (en) | 2008-05-06 | 2011-12-15 | Nokia Siemens Networks Spa | IMPROVEMENT TO THE REMOTE CONTROL METHOD OF ADAPTIVE PREDISTORTION OF TRANSMISSION SIGNALS |
US8498591B1 (en) | 2009-08-21 | 2013-07-30 | Marvell International Ltd. | Digital Predistortion for nonlinear RF power amplifiers |
US8699620B1 (en) | 2010-04-16 | 2014-04-15 | Marvell International Ltd. | Digital Predistortion for nonlinear RF power amplifiers |
GB201302359D0 (en) | 2013-02-11 | 2013-03-27 | Newtec Cy | Predistortion circuit and method for predistorting a signal |
US9160586B1 (en) | 2013-07-24 | 2015-10-13 | Marvell International Ltd. | Method and apparatus for estimating and compensating for in-phase and quadrature (IQ) mismatch in a receiver of a wireless communication device |
JP6965376B2 (en) | 2017-07-03 | 2021-11-10 | 華為技術有限公司Huawei Technologies Co., Ltd. | Methods and equipment for quadrature amplitude modulation optimized for phase noise |
Family Cites Families (4)
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 |
FR2642243B1 (en) * | 1989-01-24 | 1991-04-19 | Labo Electronique Physique | ADAPTIVE PREDISTORSION CIRCUIT |
FR2644638B1 (en) * | 1989-03-14 | 1991-05-31 | Labo Electronique Physique | |
JP3166321B2 (en) * | 1992-07-01 | 2001-05-14 | 日本電気株式会社 | Modulated signal transmission system |
-
1997
- 1997-12-24 AU AU57280/98A patent/AU738870B2/en not_active Ceased
- 1997-12-24 CA CA002274522A patent/CA2274522A1/en not_active Abandoned
- 1997-12-24 IL IL13026497A patent/IL130264A0/en unknown
- 1997-12-24 JP JP52910798A patent/JP3993640B2/en not_active Expired - Fee Related
- 1997-12-24 WO PCT/US1997/024194 patent/WO1998028888A1/en not_active Application Discontinuation
- 1997-12-24 EP EP97953556A patent/EP0951769A1/en not_active Withdrawn
- 1997-12-24 KR KR1019997005673A patent/KR20000062279A/en not_active Application Discontinuation
-
1999
- 1999-06-23 NO NO993128A patent/NO993128L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2001507196A (en) | 2001-05-29 |
CA2274522A1 (en) | 1998-07-02 |
KR20000062279A (en) | 2000-10-25 |
AU738870B2 (en) | 2001-09-27 |
EP0951769A1 (en) | 1999-10-27 |
JP3993640B2 (en) | 2007-10-17 |
IL130264A0 (en) | 2000-06-01 |
WO1998028888A1 (en) | 1998-07-02 |
NO993128L (en) | 1999-08-20 |
AU5728098A (en) | 1998-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |