NO993128D0 - Adaptivt forforvrengningssystem - Google Patents

Adaptivt forforvrengningssystem

Info

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
Application number
NO993128A
Other languages
English (en)
Other versions
NO993128L (no
Inventor
Sheldon Salinger
Original Assignee
Gte Government Syst
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gte Government Syst filed Critical Gte Government Syst
Publication of NO993128D0 publication Critical patent/NO993128D0/no
Publication of NO993128L publication Critical patent/NO993128L/no

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)
  • Dc Digital Transmission (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
NO993128A 1996-12-24 1999-06-23 Adaptivt forforvrengningssystem NO993128L (no)

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 (no) 1999-06-23
NO993128L NO993128L (no) 1999-08-20

Family

ID=25100366

Family Applications (1)

Application Number Title Priority Date Filing Date
NO993128A NO993128L (no) 1996-12-24 1999-06-23 Adaptivt forforvrengningssystem

Country Status (8)

Country Link
EP (1) EP0951769A1 (no)
JP (1) JP3993640B2 (no)
KR (1) KR20000062279A (no)
AU (1) AU738870B2 (no)
CA (1) CA2274522A1 (no)
IL (1) IL130264A0 (no)
NO (1) NO993128L (no)
WO (1) WO1998028888A1 (no)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100379451B1 (ko) * 1998-12-04 2003-09-19 엘지전자 주식회사 디지털 텔레비전 송신 시스템 및 운용 방법
KR100379452B1 (ko) * 1999-07-31 2003-04-10 엘지전자 주식회사 디지털 티브이 중계기에서의 왜곡 신호 보상 방법
KR100404182B1 (ko) * 1999-08-14 2003-11-03 엘지전자 주식회사 디지털 ｔｖ 중계기의 경보 시스템 및 경보 방법
DE19942768B4 (de) * 1999-08-30 2019-08-14 Ipcom Gmbh & Co. Kg Verfahren zur Übertragung von Signalisierungsinformationen, Sendestation, Mobilstation und Nachrichtenelemente
CN1258948C (zh) 1999-08-30 2006-06-07 罗伯特·博施有限公司 传输信号化信息的方法,发射站,移动站和消息单元
KR100379455B1 (ko) * 1999-09-13 2003-04-10 엘지전자 주식회사 디지털 ｔｖ 중계기에서 송신기의 왜곡 보상 장치 및 방법
KR20010060461A (ko) * 1999-12-27 2001-07-07 서평원 디지털 방송 시스템의 자동 경보 방법 및 장치
KR20010059728A (ko) * 1999-12-30 2001-07-06 서평원 브이에스비 자동 선형화 장치
GB0004125D0 (en) * 2000-02-23 2000-04-12 Koninkl Philips Electronics Nv Communications system
KR20010113423A (ko) * 2000-06-16 2001-12-28 최승국 오에프디엠 시스템에서 고출력 증폭기에 의한 비선형 왜곡보상 방법
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 (it) * 2001-07-27 2003-01-27 Siemens Inf & Comm Networks Procedimento per la linearizzazione dello stadio di potenza di un trasmettitore di segnali relativo sistema e ricevitore
US7362821B1 (en) 2002-05-22 2008-04-22 Marvel International Ltd. Method and apparatus for amplifier linearization using adaptive predistortion
US7085330B1 (en) 2002-02-15 2006-08-01 Marvell 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
EP1499012B1 (de) * 2003-07-17 2006-09-06 BenQ Corporation Verfahren und Schaltungsanordnung zur Linearisierung eines Leistungsverstärkers in Mobilfunktelefonen
JP4417174B2 (ja) 2004-05-19 2010-02-17 株式会社日立国際電気 プリディストータ
EP2117115B1 (en) 2008-05-06 2011-11-30 Nokia Siemens Networks S.p.A. Improvement to remote control methods of transmission signals adaptive predistortion
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
KR102295870B1 (ko) 2017-07-03 2021-09-01 후아웨이 테크놀러지 컴퍼니 리미티드 위상 잡음에 최적화된 직교 진폭 변조를 위한 방법 및 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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 (fr) * 1989-01-24 1991-04-19 Labo Electronique Physique Circuit de predistorsion adaptative
FR2644638B1 (no) * 1989-03-14 1991-05-31 Labo Electronique Physique
JP3166321B2 (ja) * 1992-07-01 2001-05-14 日本電気株式会社 変調信号送信システム

Also Published As

Publication number Publication date
IL130264A0 (en) 2000-06-01
JP2001507196A (ja) 2001-05-29
AU5728098A (en) 1998-07-17
AU738870B2 (en) 2001-09-27
KR20000062279A (ko) 2000-10-25
CA2274522A1 (en) 1998-07-02
EP0951769A1 (en) 1999-10-27
WO1998028888A1 (en) 1998-07-02
NO993128L (no) 1999-08-20
JP3993640B2 (ja) 2007-10-17

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application