DE69617111D1 - Vorverzerrungsschaltung für Signale dritter Ordnung und Mobilisation zur Anwendung derselben - Google Patents

Vorverzerrungsschaltung für Signale dritter Ordnung und Mobilisation zur Anwendung derselben

Info

Publication number
DE69617111D1
DE69617111D1 DE69617111T DE69617111T DE69617111D1 DE 69617111 D1 DE69617111 D1 DE 69617111D1 DE 69617111 T DE69617111 T DE 69617111T DE 69617111 T DE69617111 T DE 69617111T DE 69617111 D1 DE69617111 D1 DE 69617111D1
Authority
DE
Germany
Prior art keywords
mobilization
predistortion circuit
order signals
signals
order
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
DE69617111T
Other languages
English (en)
Other versions
DE69617111T2 (de
Inventor
Petteri Alinikula
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Application granted granted Critical
Publication of DE69617111D1 publication Critical patent/DE69617111D1/de
Publication of DE69617111T2 publication Critical patent/DE69617111T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
DE69617111T 1995-06-30 1996-05-17 Vorverzerrungsschaltung für Signale dritter Ordnung und Mobilisation zur Anwendung derselben Expired - Fee Related DE69617111T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI953251A FI98014C (fi) 1995-06-30 1995-06-30 Kuutiointipiiri signaalin esisäröyttämiseksi

Publications (2)

Publication Number Publication Date
DE69617111D1 true DE69617111D1 (de) 2002-01-03
DE69617111T2 DE69617111T2 (de) 2002-06-27

Family

ID=8543713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617111T Expired - Fee Related DE69617111T2 (de) 1995-06-30 1996-05-17 Vorverzerrungsschaltung für Signale dritter Ordnung und Mobilisation zur Anwendung derselben

Country Status (6)

Country Link
US (1) US5786728A (de)
EP (1) EP0751614B1 (de)
JP (1) JPH0923119A (de)
DE (1) DE69617111T2 (de)
ES (1) ES2167485T3 (de)
FI (1) FI98014C (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106413B (fi) * 1996-07-11 2001-01-31 Nokia Mobile Phones Ltd Lineaarisen tehovahvistimen tehonsäätöpiiri
GB2335812B (en) * 1998-03-06 2000-03-22 Wireless Systems Int Ltd A predistorter
GB2335813B (en) * 1998-03-06 2000-03-08 Wireless Systems Int Ltd Predistorter
GB9811382D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transmitter
GB9811381D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd Predistortion control for power reduction
GB2339113B (en) 1998-06-30 2003-05-21 Nokia Mobile Phones Ltd Data transmission in tdma system
US6104761A (en) 1998-08-28 2000-08-15 Sicom, Inc. Constrained-envelope digital-communications transmission system and method therefor
US6298096B1 (en) * 1998-11-19 2001-10-02 Titan Corporation Method and apparatus for determination of predistortion parameters for a quadrature modulator
GB2354126B (en) * 1999-09-13 2004-07-21 Wireless Systems Int Ltd Signal processing
GB9926886D0 (en) * 1999-11-12 2000-01-12 Nokia Networks Oy Linerisation of an amplifier
GB0123494D0 (en) 2001-09-28 2001-11-21 Roke Manor Research Polynormial pre-disorter
US6999522B2 (en) 2001-09-28 2006-02-14 Intersil Americas, Inc. Constrained-envelope digital communications transmitter and method therefor
US20030125065A1 (en) * 2001-12-27 2003-07-03 Ilan Barak Method and apparatus for generating an output signal
US20030123566A1 (en) * 2001-12-27 2003-07-03 Jaime Hasson Transmitter having a sigma-delta modulator with a non-uniform polar quantizer and methods thereof
US8380143B2 (en) 2002-05-01 2013-02-19 Dali Systems Co. Ltd Power amplifier time-delay invariant predistortion methods and apparatus
US8811917B2 (en) 2002-05-01 2014-08-19 Dali Systems Co. Ltd. Digital hybrid mode power amplifier system
US8472897B1 (en) 2006-12-22 2013-06-25 Dali Systems Co. Ltd. Power amplifier predistortion methods and apparatus
US6985704B2 (en) 2002-05-01 2006-01-10 Dali Yang System and method for digital memorized predistortion for wireless communication
US7333557B2 (en) * 2002-12-16 2008-02-19 Nortel Networks Limited Adaptive controller for linearization of transmitter with impairments
US7336753B2 (en) * 2003-06-26 2008-02-26 Marvell International Ltd. Transmitter
US7912145B2 (en) * 2003-12-15 2011-03-22 Marvell World Trade Ltd. Filter for a modulator and methods thereof
US7356315B2 (en) 2003-12-17 2008-04-08 Intel Corporation Outphasing modulators and methods of outphasing modulation
CA2560568A1 (en) * 2004-03-25 2005-10-13 Optichron, Inc. Digital linearizing system
CA2560586A1 (en) * 2004-03-25 2005-10-13 Optichron, Inc. Reduced complexity nonlinear filters for analog-to-digital converter linearization
JP4671622B2 (ja) * 2004-04-30 2011-04-20 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 歪み補償電力増幅装置
US8995502B1 (en) 2006-04-04 2015-03-31 Apple Inc. Transceiver with spectral analysis
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
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
WO2008042202A2 (en) * 2006-09-29 2008-04-10 Optichron, Inc. Adaptive self-linearization
EP2106648B1 (de) 2006-12-26 2018-08-08 Dali Systems Co., Ltd. Verfahren und system zur linearisierung von basisbandvorverzerrung in einem mehrkanal-breitbandkommunikationssystem
US9026067B2 (en) * 2007-04-23 2015-05-05 Dali Systems Co. Ltd. Remotely reconfigurable power amplifier system and method
EP2145385B1 (de) * 2007-04-23 2018-10-17 Dali Systems Co. Ltd N-fach verteilter doherty-leistungsverstärker
US8274332B2 (en) * 2007-04-23 2012-09-25 Dali Systems Co. Ltd. N-way Doherty distributed power amplifier with power tracking
US8224266B2 (en) * 2007-08-30 2012-07-17 Dali Systems Co., Ltd. Power amplifier predistortion methods and apparatus using envelope and phase detector
US8213884B2 (en) * 2007-12-07 2012-07-03 Dali System Co. Ltd. Baseband-derived RF digital predistortion
CN105208083B (zh) 2010-09-14 2018-09-21 大力系统有限公司 用于发送信号的系统和分布式天线系统
US8805304B2 (en) * 2011-10-25 2014-08-12 Scintera Networks Llc Linearization of broadband power amplifiers
US10050636B2 (en) * 2016-05-04 2018-08-14 Texas Instruments Incorporated Methods and apparatus to reduce non-linearity in analog to digital converters
EP3577756B1 (de) * 2017-02-03 2020-12-30 Telefonaktiebolaget LM Ericsson (publ) Breitbandfrequenz-tripler

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US3825843A (en) * 1973-06-08 1974-07-23 Bell Telephone Labor Inc Selective distortion compensation circuit
US4157508A (en) * 1977-11-21 1979-06-05 Bell Telephone Laboratories, Incorporated Signal cuber circuit
US4532604A (en) * 1982-09-16 1985-07-30 Ampex Corporation Predistortion circuit
US4481645A (en) * 1982-12-29 1984-11-06 At&T Bell Laboratories Linear distortion canceller circuit
CA1190607A (en) * 1983-05-31 1985-07-16 Stephen G. Harman Signal cuber
DE3614785A1 (de) * 1986-05-02 1988-01-21 Rohde & Schwarz Hilfssystem zur entzerrung frequenzabhaengiger nichtlinearer systeme insbesondere verstaerker
US4943783A (en) * 1989-07-31 1990-07-24 Nippon Telegraph And Telephone Corporation Feed forward distortion correction circuit
US4992754B1 (en) * 1989-09-07 1997-10-28 Ortel Corp Predistorter for linearization of electronic and optical signals
FI88452C (fi) * 1990-03-29 1993-05-10 Nokia Mobile Phones Ltd Konstruktion foer att foerbaettra avkylning av en effekttransistor
US5172068A (en) * 1990-09-17 1992-12-15 Amoco Corporation Third-order predistortion linearization circuit

Also Published As

Publication number Publication date
FI98014B (fi) 1996-12-13
EP0751614B1 (de) 2001-11-21
US5786728A (en) 1998-07-28
EP0751614A1 (de) 1997-01-02
ES2167485T3 (es) 2002-05-16
DE69617111T2 (de) 2002-06-27
JPH0923119A (ja) 1997-01-21
FI98014C (fi) 1997-03-25
FI953251A0 (fi) 1995-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN

8339 Ceased/non-payment of the annual fee