DE60313036D1 - Signaljustierung basierend auf phasenfehler - Google Patents

Signaljustierung basierend auf phasenfehler

Info

Publication number
DE60313036D1
DE60313036D1 DE60313036T DE60313036T DE60313036D1 DE 60313036 D1 DE60313036 D1 DE 60313036D1 DE 60313036 T DE60313036 T DE 60313036T DE 60313036 T DE60313036 T DE 60313036T DE 60313036 D1 DE60313036 D1 DE 60313036D1
Authority
DE
Germany
Prior art keywords
adjustment based
signal adjustment
phase fault
phase
aligned
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 - Lifetime
Application number
DE60313036T
Other languages
English (en)
Other versions
DE60313036T2 (de
Inventor
Richard Kybett
William Jenkins
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 Oyj
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 Oyj filed Critical Nokia Oyj
Publication of DE60313036D1 publication Critical patent/DE60313036D1/de
Application granted granted Critical
Publication of DE60313036T2 publication Critical patent/DE60313036T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • 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
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • H03F1/3288—Acting on the phase and the amplitude of the input signal to compensate phase shift as a function of the amplitude

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
DE60313036T 2002-12-18 2003-11-25 Signaljustierung basierend auf phasenfehler Expired - Lifetime DE60313036T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/321,505 US7120561B2 (en) 2002-12-18 2002-12-18 Phase-error based signal alignment
US321505 2002-12-18
PCT/IB2003/005458 WO2004055975A1 (en) 2002-12-18 2003-11-25 Phase-error based signal alignment

Publications (2)

Publication Number Publication Date
DE60313036D1 true DE60313036D1 (de) 2007-05-16
DE60313036T2 DE60313036T2 (de) 2007-12-13

Family

ID=32592928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60313036T Expired - Lifetime DE60313036T2 (de) 2002-12-18 2003-11-25 Signaljustierung basierend auf phasenfehler

Country Status (6)

Country Link
US (1) US7120561B2 (de)
EP (1) EP1573903B1 (de)
AT (1) ATE358906T1 (de)
AU (1) AU2003280193A1 (de)
DE (1) DE60313036T2 (de)
WO (1) WO2004055975A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248642B1 (en) 2002-02-05 2007-07-24 Andrew Corporation Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks
US7197085B1 (en) 2002-03-08 2007-03-27 Andrew Corporation Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
US7266159B2 (en) * 2002-03-08 2007-09-04 Andrew Corporation Frequency-dependent magnitude pre-distortion on non-baseband input signals for reducing spurious emissions in communication networks
US7251293B2 (en) * 2003-06-27 2007-07-31 Andrew Corporation Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
US20040264596A1 (en) * 2003-06-27 2004-12-30 Andrew Corporation, A Delaware Corporation Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
US8711976B2 (en) 2011-05-12 2014-04-29 Andrew Llc Pre-distortion architecture for compensating non-linear effects
US9735908B2 (en) 2015-08-18 2017-08-15 Nokia Solutions And Networks Oy Adaptive frequency band weighting within time domain
US10027367B2 (en) 2015-08-18 2018-07-17 Nokia Solutions And Networks Oy Quarter wavelength unit delay and complex weighting coefficient continuous-time filters
US9722644B2 (en) * 2015-08-18 2017-08-01 Nokia Solutions And Networks Oy Frequency switching within time domain digital pre-distortion
US11223376B2 (en) * 2017-02-27 2022-01-11 Apple Inc. Frequency dependent envelope tracking
CN107132511B (zh) * 2017-05-11 2020-01-21 中国科学院电子学研究所 一种精确的雷达线性调频源预失真方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2871932B2 (ja) * 1992-02-13 1999-03-17 日本電気株式会社 周波数安定化回路
JP3345265B2 (ja) * 1996-05-21 2002-11-18 旭化成マイクロシステム株式会社 Ｐｌｌ回路
US5926052A (en) * 1996-07-01 1999-07-20 Motorola, Inc. Variable phase shifter and method
US5894496A (en) 1996-09-16 1999-04-13 Ericsson Inc. Method and apparatus for detecting and compensating for undesired phase shift in a radio transceiver
CA2329100A1 (en) 1999-12-21 2001-06-21 Nortel Networks Limited Phase and amplitude detector and method of determining errors
JP4014343B2 (ja) 1999-12-28 2007-11-28 富士通株式会社 歪補償装置
KR100674586B1 (ko) 1999-12-30 2007-01-25 엘지전자 주식회사 전력증폭기의 전치왜곡 선형화기
US6307411B1 (en) * 2000-10-13 2001-10-23 Brookhaven Science Associates Wide tracking range, auto ranging, low jitter phase lock loop for swept and fixed frequency systems
CN1252910C (zh) 2000-10-17 2006-04-19 艾利森电话股份有限公司 通信系统

Also Published As

Publication number Publication date
US20040122627A1 (en) 2004-06-24
WO2004055975A1 (en) 2004-07-01
DE60313036T2 (de) 2007-12-13
EP1573903A1 (de) 2005-09-14
ATE358906T1 (de) 2007-04-15
AU2003280193A1 (en) 2004-07-09
US7120561B2 (en) 2006-10-10
EP1573903B1 (de) 2007-04-04

Similar Documents

Publication Publication Date Title
SG138518A1 (en) In-line distortion cancellation circuits for linearization of electronic and optical signals with phase and frequency adjustment
MX2018012989A (es) Aparato y metodo para la identificacion y compensacion de la distorsion en un sistema de varias antenas.
DE60313036D1 (de) Signaljustierung basierend auf phasenfehler
DE602005006825D1 (de) Tabellenerstellung für willkürliche wellenformvorverzerrung
TW200737692A (en) Amplifier circuit
WO2005094536A3 (en) Digital linearizing system
WO2005008883A3 (en) Digital predistortion system and method for correcting memory effects within an rf power amplifier
EP1819038A4 (de) Signalabnehmerschaltung und verzerrungskompensationsverstärker damit
ATE507612T1 (de) Einstellbarer vorverzerrer
WO2009038924A3 (en) Cancelling low frequency errors in mems systems
WO2008108195A1 (ja) ドライバ回路
WO2007035358A3 (en) Amplifier system employing analog polynomial predistortion with sub-nyquist digital adaptation
AU6340000A (en) Method and apparatus for linearizing an amplifier
RU2013136387A (ru) Устройство и способ получения полного звукового сигнала
DK1442541T3 (da) Fremgangsmåde og indretning til simulering af radiokanal
TW200746643A (en) Method and circuit arrangement for generating a periodic electric signal with controllable phase
ATE403270T1 (de) Symmetrie-saw-filter
WO2007084876A3 (en) Systems and methods for reducing static phase error
WO2008103165A3 (en) Fully differential amplifier with continuous-time offset reduction
WO2006081096A8 (en) Digital transmit phase trimming
CN103036513B (zh) 线性功率放大装置
PT1254507E (pt) Circuito para reduzir de intermodulacao de segunda e de terceira ordem para um amplificador de radiofrequencia (rf) de banda larga
TW200511739A (en) Apparatus and method for transmitter phase shift compensation
ATE519273T1 (de) Adaptive vorverzerrung
WO2011069904A3 (de) Verfahren und vorrichtungen zur störfeldkompensation von sensorsignalen in einer elektrischen hilfskraftlenkung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition