DE69015944D1 - Vorverzerrungseinrichtung für digitale Übertragungssysteme. - Google Patents

Vorverzerrungseinrichtung für digitale Übertragungssysteme.

Info

Publication number
DE69015944D1
DE69015944D1 DE69015944T DE69015944T DE69015944D1 DE 69015944 D1 DE69015944 D1 DE 69015944D1 DE 69015944 T DE69015944 T DE 69015944T DE 69015944 T DE69015944 T DE 69015944T DE 69015944 D1 DE69015944 D1 DE 69015944D1
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
Application number
DE69015944T
Other languages
English (en)
Other versions
DE69015944T2 (de
Inventor
Georges Karam
Hikmet Sari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69015944D1 publication Critical patent/DE69015944D1/de
Publication of DE69015944T2 publication Critical patent/DE69015944T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/62Details 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/366Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/438Separate feedback of amplitude and phase signals being present
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/57Separate 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
DE69015944T 1989-10-06 1990-10-01 Vorverzerrungseinrichtung für digitale Übertragungssysteme. Expired - Fee Related DE69015944T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8913093A FR2652965A1 (fr) 1989-10-06 1989-10-06 Dispositif de predistorsion pour systeme de transmission numerique.

Publications (2)

Publication Number Publication Date
DE69015944D1 true DE69015944D1 (de) 1995-02-23
DE69015944T2 DE69015944T2 (de) 1995-08-24

Family

ID=9386166

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015944T Expired - Fee Related DE69015944T2 (de) 1989-10-06 1990-10-01 Vorverzerrungseinrichtung für digitale Übertragungssysteme.

Country Status (7)

Country Link
US (1) US5105445A (de)
EP (1) EP0421532B1 (de)
JP (1) JP3076593B2 (de)
AU (1) AU641874B2 (de)
CA (1) CA2026819A1 (de)
DE (1) DE69015944T2 (de)
FR (1) FR2652965A1 (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644638B1 (de) * 1989-03-14 1991-05-31 Labo Electronique Physique
US5177769A (en) * 1991-05-03 1993-01-05 Bell Communications Research, Inc. Digital circuits for generating signal sequences for linear TDMA systems
SE468616B (sv) * 1991-06-12 1993-02-15 Ericsson Telefon Ab L M Foerfarande foer kompensering av saendarnyttosignalens beroende av oeverfoeringsfunktionen foer ett combinerfilter
US5295138A (en) * 1992-04-21 1994-03-15 Northwest Starscon Limited Partnership Apparatus and method for optimal frequency planning in frequency division multiplexing transmissions
FR2692092B1 (fr) * 1992-06-05 1994-07-22 Thomson Csf Dispositif de traitement et de precorrection d'un signal audiofrequence avant son amplification dans une chaine d'amplification d'un emetteur a modulation d'amplitude.
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
US5351016A (en) * 1993-05-28 1994-09-27 Ericsson Ge Mobile Communications Inc. Adaptively self-correcting modulation system and method
DE69310775T2 (de) * 1993-07-09 1997-11-13 Edmunde Eugene Newhall Systeme mit erhöhter geschwindigkeit der informationsübertragung, welche eingebettete abtastmodulation und vorverzerrungsausgleich verwenden
US5612991A (en) * 1995-03-31 1997-03-18 Intel Corporation Use of RSSI indication for improved data transmission over amps network
FR2739239B1 (fr) * 1995-09-27 1997-11-14 Alcatel Telspace Dispositif de correction d'un defaut de quadrature d'un modulateur en quadrature et/ou d'un demodulateur d'un signal a pluralite d'etats de phase, emetteur et recepteur correspondants
US5881376A (en) * 1995-12-15 1999-03-09 Telefonaktiebolaget Lm Ericsson Digital calibration of a transceiver
US5661758A (en) * 1996-01-16 1997-08-26 Long; Michael E. Single cycle data encoding method and apparatus
US6091787A (en) * 1996-12-24 2000-07-18 General Dynamics 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
KR100251561B1 (ko) 1997-06-19 2000-04-15 윤종용 디지털통신시스템의송신기선형화장치및방법
US6081158A (en) * 1997-06-30 2000-06-27 Harris Corporation Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system
US6112062A (en) * 1997-09-26 2000-08-29 The Whitaker Corporation Predistortion for high power amplifiers
JP2000013247A (ja) * 1998-06-18 2000-01-14 Nec Corp 送信電力制御回路
US6304594B1 (en) 1998-07-27 2001-10-16 General Dynamics Government Systems Corporation Interference detection and avoidance technique
US6191653B1 (en) 1998-11-18 2001-02-20 Ericsson Inc. Circuit and method for linearizing amplitude modulation in a power amplifier
US6194963B1 (en) 1998-11-18 2001-02-27 Ericsson Inc. Circuit and method for I/Q modulation with independent, high efficiency amplitude modulation
US6295442B1 (en) 1998-12-07 2001-09-25 Ericsson Inc. Amplitude modulation to phase modulation cancellation method in an RF amplifier
US6212229B1 (en) 1998-12-16 2001-04-03 General Dynamics Government Systems Corporation Adaptive pre-emphasis technique
US6493400B1 (en) 1999-04-19 2002-12-10 Bae Systems Aerospace Electronics Inc. Harmonic cancellation system
US6473133B1 (en) * 1999-05-14 2002-10-29 Harris Corporation Broadcast transmission system with correction for distortion caused by amplifying and signal conditioning components at a different rate
FR2824437B1 (fr) * 2001-05-04 2005-06-03 Eads Defence & Security Ntwk Generateur d'un signal radiofrequence module en phase ou frequence et en amplitude, et emetteur l'incorporant
US6700439B2 (en) 2002-04-11 2004-03-02 Andrew Corporation Zero-bias bypass switch
US6812786B2 (en) * 2002-04-11 2004-11-02 Andrew Corporation Zero-bias bypass switching circuit using mismatched 90 degrees hybrid
US8472897B1 (en) 2006-12-22 2013-06-25 Dali Systems Co. Ltd. Power amplifier predistortion methods and apparatus
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US6985704B2 (en) 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
JP2004032609A (ja) * 2002-06-28 2004-01-29 Nec Corp 非線形歪み補償回路
US6801582B2 (en) * 2002-09-13 2004-10-05 Allied Telesyn, Inc. Apparatus and method for improving an output signal from a nonlinear device through dynamic signal pre-distortion based upon Lagrange interpolation
US7099399B2 (en) * 2004-01-27 2006-08-29 Crestcom, Inc. Distortion-managed digital RF communications transmitter and method therefor
US7469491B2 (en) 2004-01-27 2008-12-30 Crestcom, Inc. Transmitter predistortion circuit and method therefor
US7430248B2 (en) * 2004-01-27 2008-09-30 Crestcom, Inc. Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter
US20050163249A1 (en) * 2004-01-27 2005-07-28 Crestcom, Inc. Predistortion circuit and method for compensating linear distortion in a digital RF communications transmitter
US20060104385A1 (en) * 2004-11-15 2006-05-18 Newhall Edmunde E Systems with increased information rates using embedded sample modulation and predistortion equalization implemented on metallic lines
US7586428B2 (en) * 2005-02-25 2009-09-08 Telefonaktiebolaget L M Ericsson (Publ) Non-linear processing of signals
US20070082617A1 (en) * 2005-10-11 2007-04-12 Crestcom, Inc. Transceiver with isolation-filter compensation and method therefor
CN101479956B (zh) 2006-04-28 2013-07-31 大力系统有限公司 用于无线通信的高效率线性化功率放大器
US20080134394P1 (en) * 2006-12-01 2008-06-05 Syngenta Seeds B.V. Geranium plant named 'Zonadared'
US7724840B2 (en) * 2006-12-19 2010-05-25 Crestcom, Inc. RF transmitter with predistortion and method therefor
CN102017553B (zh) 2006-12-26 2014-10-15 大力系统有限公司 用于多信道宽带通信系统中的基带预失真线性化的方法和系统
US20080285640A1 (en) * 2007-05-15 2008-11-20 Crestcom, Inc. RF Transmitter With Nonlinear Predistortion and Method Therefor
CN101914595B (zh) * 2010-09-07 2012-09-05 河南工业大学 一种酶法合成阿魏酸糖酯衍生物的方法
KR101829517B1 (ko) 2010-09-14 2018-02-14 달리 시스템즈 씨오. 엘티디. 원격으로 재구성가능한 분산 안테나 시스템 및 방법
US9379742B2 (en) 2011-04-21 2016-06-28 Mediatek Singapore Pte. Ltd. RF transmitter, integrated circuit device, wireless communication unit 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
US9088319B2 (en) * 2011-04-21 2015-07-21 Mediatek Singapore Pte. Ltd. RF transmitter architecture, 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
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
JP6286908B2 (ja) * 2013-07-19 2018-03-07 住友電気工業株式会社 増幅装置及び無線通信装置

Family Cites Families (8)

* 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
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
FR2642243B1 (fr) * 1989-01-24 1991-04-19 Labo Electronique Physique Circuit de predistorsion adaptative
FR2644638B1 (de) * 1989-03-14 1991-05-31 Labo Electronique Physique
FR2652969A1 (fr) * 1989-10-06 1991-04-12 Philips Electronique Lab Dispositif de predistorsion pour systeme de transmission numerique.

Also Published As

Publication number Publication date
AU6374790A (en) 1991-04-11
FR2652965A1 (fr) 1991-04-12
EP0421532B1 (de) 1995-01-11
AU641874B2 (en) 1993-09-30
US5105445A (en) 1992-04-14
DE69015944T2 (de) 1995-08-24
CA2026819A1 (en) 1991-04-07
JP3076593B2 (ja) 2000-08-14
EP0421532A1 (de) 1991-04-10
JPH03135249A (ja) 1991-06-10

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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)
8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee