DE60321510D1 - Vorrichtung zur Kompensation nonlinearer Verzerrung - Google Patents

Vorrichtung zur Kompensation nonlinearer Verzerrung

Info

Publication number
DE60321510D1
DE60321510D1 DE60321510T DE60321510T DE60321510D1 DE 60321510 D1 DE60321510 D1 DE 60321510D1 DE 60321510 T DE60321510 T DE 60321510T DE 60321510 T DE60321510 T DE 60321510T DE 60321510 D1 DE60321510 D1 DE 60321510D1
Authority
DE
Germany
Prior art keywords
nonlinear distortion
compensating nonlinear
compensating
distortion
nonlinear
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
DE60321510T
Other languages
English (en)
Inventor
Motoya Iwasaki
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE60321510D1 publication Critical patent/DE60321510D1/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
    • H03F1/3294—Acting on the real and imaginary components of the input signal

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE60321510T 2002-06-28 2003-06-25 Vorrichtung zur Kompensation nonlinearer Verzerrung Expired - Lifetime DE60321510D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002189489A JP2004032609A (ja) 2002-06-28 2002-06-28 非線形歪み補償回路

Publications (1)

Publication Number Publication Date
DE60321510D1 true DE60321510D1 (de) 2008-07-24

Family

ID=29717676

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60321510T Expired - Lifetime DE60321510D1 (de) 2002-06-28 2003-06-25 Vorrichtung zur Kompensation nonlinearer Verzerrung

Country Status (4)

Country Link
US (1) US7333562B2 (de)
EP (1) EP1376856B1 (de)
JP (1) JP2004032609A (de)
DE (1) DE60321510D1 (de)

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US7340007B2 (en) * 2003-09-16 2008-03-04 M/A-Com, Inc. Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal
US7254195B2 (en) * 2003-08-25 2007-08-07 M/A-Com, Inc. Apparatus, methods and articles of manufacture for dynamic differential delay correction
US7298854B2 (en) * 2002-12-04 2007-11-20 M/A-Com, Inc. Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
GB2407929A (en) * 2003-11-05 2005-05-11 Motorola Inc A predistorter for a polar transmitter, using look-up tables and interpolation, and possessing a simple training procedure.
US7773693B2 (en) * 2004-10-07 2010-08-10 Samsung Electronics Co., Ltd. Apparatus and method for direct quadrature power amplifier modulation
US7426372B2 (en) * 2005-03-31 2008-09-16 M/A-Com Eurotec B.V. Piecewise linearizer circuit for radio frequency amplification
EP1911181B1 (de) * 2005-06-13 2017-04-26 ARRIS Enterprises LLC Vier-quadranten-linearisierer
US7436339B2 (en) * 2005-07-20 2008-10-14 M/A-Com, Inc. Method and apparatus to emulate a filter using digital elements
US7307570B2 (en) * 2005-07-20 2007-12-11 M/A-Com, Inc. Method and apparatus to emulate a filter
WO2007036990A1 (ja) * 2005-09-28 2007-04-05 Fujitsu Limited 歪補償装置
JP2007133035A (ja) * 2005-11-08 2007-05-31 Sony Corp デジタル録音装置，デジタル録音方法，そのプログラムおよび記憶媒体
US7599418B2 (en) 2006-02-16 2009-10-06 Pine Valley Investments, Inc. Method and apparatus for a frequency hopper
US7634198B2 (en) * 2006-06-21 2009-12-15 Emcore Corporation In-line distortion cancellation circuits for linearization of electronic and optical signals with phase and frequency adjustment
JP2008022111A (ja) * 2006-07-11 2008-01-31 Sony Corp 歪み補償装置、及び無線通信装置
US8050783B2 (en) * 2007-03-12 2011-11-01 Pine Valley Investments, Inc. System and method for pre-distorting a device input
US8009765B2 (en) * 2007-03-13 2011-08-30 Pine Valley Investments, Inc. Digital polar transmitter
US7869543B2 (en) * 2007-03-13 2011-01-11 Pine Valley Investments, Inc. System and method for synchronization, power control, calibration, and modulation in communication transmitters
JP4933940B2 (ja) * 2007-04-02 2012-05-16 株式会社日立国際電気 電力増幅装置
US8081710B2 (en) * 2007-11-08 2011-12-20 Pine Valley Investments, Inc. System and method for corrected modulation with nonlinear power amplification
US7983359B2 (en) * 2008-02-07 2011-07-19 Pine Valley Investments, Inc. Synchronization techniques for polar transmitters
US8233852B2 (en) * 2008-04-04 2012-07-31 Pine Valley Investments, Inc. Calibration techniques for non-linear devices
JP2012509614A (ja) * 2008-11-11 2012-04-19 アクシス ネットワーク テクノロジー リミテッド． リソースの効率的なアダプティブ・デジタル前置補償システム
US8848828B2 (en) 2008-12-22 2014-09-30 Nec Corporation Distortion compensation circuit, transmitting apparatus and distortion compensating method
CN101895259B (zh) * 2009-05-18 2013-01-02 富士通株式会社 预失真器、预失真方法和预失真系统
US8737523B2 (en) * 2009-06-04 2014-05-27 Xilinx, Inc. Apparatus and method for predictive over-drive detection
US8837633B2 (en) 2011-10-21 2014-09-16 Xilinx, Inc. Systems and methods for digital processing based on active signal channels of a communication system
EP3249819B1 (de) * 2015-04-01 2019-06-19 Huawei Technologies Co. Ltd. Umsetzungstabellenerzeugungsverfahren und -vorrichtung und vorkompensierungsverfahren und -vorrichtung
CN105024960B (zh) * 2015-06-23 2018-11-09 大唐移动通信设备有限公司 一种dpd系统
CN110209375B (zh) * 2019-05-30 2021-03-26 浙江大学 一种基于radix-4编码和差分权重存储的乘累加电路
JP7389953B2 (ja) 2020-03-30 2023-12-01 住友電気工業株式会社 モデル装置、演算方法、及びコンピュータプログラム

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
FR2652965A1 (fr) * 1989-10-06 1991-04-12 Philips Electronique Lab Dispositif de predistorsion pour systeme de transmission numerique.
JP3560398B2 (ja) * 1995-08-31 2004-09-02 富士通株式会社 歪補償を有する増幅器
JPH09289593A (ja) 1996-04-24 1997-11-04 Canon Inc 色変換装置、複写装置および色変換方法
US6600792B2 (en) * 1998-06-26 2003-07-29 Qualcomm Incorporated Predistortion technique for high power amplifiers
JP2000031869A (ja) 1998-07-14 2000-01-28 Matsushita Electric Ind Co Ltd プリディストーション歪補償機能付送信装置及び方法
JP2001268149A (ja) 2000-03-17 2001-09-28 Matsushita Electric Ind Co Ltd アダプティブプリディストーション歪補償装置及びアダプティブプリディストーション歪補償方法
JP2001268150A (ja) * 2000-03-21 2001-09-28 Hitachi Kokusai Electric Inc リニアライザ
JP4280404B2 (ja) 2000-09-12 2009-06-17 キヤノン株式会社 画像処理装置及びその方法
JP3994308B2 (ja) * 2000-10-26 2007-10-17 株式会社ケンウッド プリディストーション型歪補償回路
US6731168B2 (en) * 2002-02-06 2004-05-04 Intersil Americas, Inc. Power amplifier linearizer that compensates for long-time-constant memory effects and method therefor

Also Published As

Publication number Publication date
US7333562B2 (en) 2008-02-19
EP1376856A2 (de) 2004-01-02
EP1376856B1 (de) 2008-06-11
US20040047432A1 (en) 2004-03-11
JP2004032609A (ja) 2004-01-29
EP1376856A3 (de) 2007-05-23

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Legal Events

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