SE517968C2 - Förfarande och arrangemang för linjärisering av utsignal - Google Patents

Förfarande och arrangemang för linjärisering av utsignal

Info

Publication number
SE517968C2
SE517968C2 SE0004609A SE0004609A SE517968C2 SE 517968 C2 SE517968 C2 SE 517968C2 SE 0004609 A SE0004609 A SE 0004609A SE 0004609 A SE0004609 A SE 0004609A SE 517968 C2 SE517968 C2 SE 517968C2
Authority
SE
Sweden
Prior art keywords
distorter
post
output
output signal
input
Prior art date
Application number
SE0004609A
Other languages
English (en)
Swedish (sv)
Other versions
SE0004609D0 (sv
SE0004609L (sv
Inventor
Leonard Rexberg
Thorsten Nygren
Bernt Johansson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE0004609A priority Critical patent/SE517968C2/sv
Publication of SE0004609D0 publication Critical patent/SE0004609D0/xx
Priority to AT01270950T priority patent/ATE421796T1/de
Priority to US10/450,032 priority patent/US6850114B2/en
Priority to EP01270950A priority patent/EP1350312B1/en
Priority to DE60137543T priority patent/DE60137543D1/de
Priority to PCT/SE2001/002628 priority patent/WO2002049207A1/en
Priority to AU2002218599A priority patent/AU2002218599A1/en
Priority to CNB018206190A priority patent/CN100508369C/zh
Publication of SE0004609L publication Critical patent/SE0004609L/
Publication of SE517968C2 publication Critical patent/SE517968C2/sv

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
    • H03F1/3258Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Amplifiers (AREA)
  • Alarm Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE0004609A 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal SE517968C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE0004609A SE517968C2 (sv) 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal
AT01270950T ATE421796T1 (de) 2000-12-13 2001-11-28 Vorverzerrung nichtlinearer einrichtungen durch nachdetektion
US10/450,032 US6850114B2 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
EP01270950A EP1350312B1 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
DE60137543T DE60137543D1 (de) 2000-12-13 2001-11-28 Vorverzerrung nichtlinearer einrichtungen durch nachdetektion
PCT/SE2001/002628 WO2002049207A1 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
AU2002218599A AU2002218599A1 (en) 2000-12-13 2001-11-28 Pre-distortion of non-linear devices by post-detection
CNB018206190A CN100508369C (zh) 2000-12-13 2001-11-28 通过后检波实现非线性装置的预矫正装置和方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0004609A SE517968C2 (sv) 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal

Publications (3)

Publication Number Publication Date
SE0004609D0 SE0004609D0 (sv) 2000-12-13
SE0004609L SE0004609L (sv) 2002-06-14
SE517968C2 true SE517968C2 (sv) 2002-08-06

Family

ID=20282212

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0004609A SE517968C2 (sv) 2000-12-13 2000-12-13 Förfarande och arrangemang för linjärisering av utsignal

Country Status (8)

Country Link
US (1) US6850114B2 (zh)
EP (1) EP1350312B1 (zh)
CN (1) CN100508369C (zh)
AT (1) ATE421796T1 (zh)
AU (1) AU2002218599A1 (zh)
DE (1) DE60137543D1 (zh)
SE (1) SE517968C2 (zh)
WO (1) WO2002049207A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE519220C2 (sv) * 2001-06-14 2003-02-04 Ericsson Telefon Ab L M Predistortion med förbikopplingssignal
KR100468360B1 (ko) * 2002-07-25 2005-01-27 인티그런트 테크놀로지즈(주) 수신 장치의 선형성 개선을 위한 하모닉 회로
US20090085697A1 (en) * 2007-09-27 2009-04-02 Todd Hinck Method and apparatus for analog validation of high speed buses using electromagnetic couplers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6016076A (en) * 1998-06-05 2000-01-18 The Whitaker Corporation Method and apparatus for microwave predistorter linearizer with electronic tuning
US6396327B1 (en) * 1998-09-01 2002-05-28 Tacan Corporation Method and apparatus for reducing distortion produced by a nonlinear device
US6075412A (en) * 1998-10-13 2000-06-13 Ophir Rf, Inc. Linearization for power amplifiers

Also Published As

Publication number Publication date
CN1481607A (zh) 2004-03-10
US20040032297A1 (en) 2004-02-19
WO2002049207A1 (en) 2002-06-20
EP1350312B1 (en) 2009-01-21
ATE421796T1 (de) 2009-02-15
US6850114B2 (en) 2005-02-01
AU2002218599A1 (en) 2002-06-24
DE60137543D1 (de) 2009-03-12
CN100508369C (zh) 2009-07-01
EP1350312A1 (en) 2003-10-08
SE0004609D0 (sv) 2000-12-13
SE0004609L (sv) 2002-06-14

Similar Documents

Publication Publication Date Title
KR101789924B1 (ko) 적응형 디지털 전치 왜곡을 위한 디바이스 및 방법
EP2641327B1 (en) Non-linear model with tap output normalization
KR101679230B1 (ko) 전력증폭기의 비선형 특성을 보상하는 다항식 디지털 전치왜곡 장치 및 그 방법
US20020171485A1 (en) Digitally implemented predistorter control mechanism for linearizing high efficiency RF power amplifiers
CN1983801A (zh) 用于解决群延迟调制的预失真系统和放大器
ATE276603T1 (de) Digitaler breitband vorverzerrungslinearisierer für nichtlineare verstärker
NO20005417L (no) Fremgangsmåte for linearisering av en forsterker, samt forsterkeranordning
KR20140091616A (ko) 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템
EP1523102B1 (en) Digital feedback linearizing apparatuses and methods
DE60013851D1 (de) Digitale vorverzerrungsverfahren für breitbandverstärker
EP2837093B1 (en) Digital predistorter (dpd) structure based on dynamic deviation reduction (ddr)-based volterra series
JP2012090158A (ja) 電力増幅装置及びその歪補償係数更新方法及び送信装置
EP1345319A3 (en) Method and system for reducing non-linearities
KR101386239B1 (ko) 비선형 왜곡의 보상을 위한 전치 왜곡 장치 및 방법
CN102437821A (zh) 一种合成孔径雷达发射机的线性化装置及方法
SE517968C2 (sv) Förfarande och arrangemang för linjärisering av utsignal
KR100865886B1 (ko) 고주파 증폭기의 비선형성을 보정하기 위한 장치
KR20120054369A (ko) 메모리 다항식 모델을 이용하는 전치 왜곡 장치, 그것의 전치 왜곡 방법, 및 전치 왜곡 장치를 포함하는 시스템
US20110065381A1 (en) Method of transmitting higher power from a satellite by more efficiently using the existing satellite power amplifiers
KR100991494B1 (ko) 디지털 전치왜곡 방법 및 그 장치
JP5226468B2 (ja) プリディストータ
JP2007214947A (ja) デジタル前置歪補償回路
AU7307800A (en) Method for linearising a high-frequency amplifier
KR100625445B1 (ko) 가변차수 전치왜곡장치 및 그의 제어 방법
JP5238461B2 (ja) プリディストータ

Legal Events

Date Code Title Description
NUG Patent has lapsed