DE60139465D1 - Vorrichtung zur kompensation von verzerrungen - Google Patents

Vorrichtung zur kompensation von verzerrungen

Info

Publication number
DE60139465D1
DE60139465D1 DE60139465T DE60139465T DE60139465D1 DE 60139465 D1 DE60139465 D1 DE 60139465D1 DE 60139465 T DE60139465 T DE 60139465T DE 60139465 T DE60139465 T DE 60139465T DE 60139465 D1 DE60139465 D1 DE 60139465D1
Authority
DE
Germany
Prior art keywords
distortions
compensation
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
DE60139465T
Other languages
English (en)
Inventor
Shigeo Kusunoki
Katsuya Yamamoto
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60139465D1 publication Critical patent/DE60139465D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
DE60139465T 2000-04-21 2001-04-20 Vorrichtung zur kompensation von verzerrungen Expired - Fee Related DE60139465D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000121338 2000-04-21
PCT/JP2001/003411 WO2001082473A1 (fr) 2000-04-21 2001-04-20 Appareil de compensation de distorsion

Publications (1)

Publication Number Publication Date
DE60139465D1 true DE60139465D1 (de) 2009-09-17

Family

ID=18632007

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60139465T Expired - Fee Related DE60139465D1 (de) 2000-04-21 2001-04-20 Vorrichtung zur kompensation von verzerrungen

Country Status (6)

Country Link
US (1) US6677821B2 (de)
EP (1) EP1282224B1 (de)
KR (1) KR100746348B1 (de)
CN (1) CN1167187C (de)
DE (1) DE60139465D1 (de)
WO (1) WO2001082473A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6756849B2 (en) * 2000-09-12 2004-06-29 Dupuis Timothy J. Absolute power detector
US6917245B2 (en) * 2000-09-12 2005-07-12 Silicon Laboratories, Inc. Absolute power detector
US6894565B1 (en) * 2002-12-03 2005-05-17 Silicon Laboratories, Inc. Fast settling power amplifier regulator
US6897730B2 (en) * 2003-03-04 2005-05-24 Silicon Laboratories Inc. Method and apparatus for controlling the output power of a power amplifier
JP2005150932A (ja) * 2003-11-12 2005-06-09 Hitachi Kokusai Electric Inc プリディスト−ション装置
JP2005167541A (ja) * 2003-12-02 2005-06-23 Matsushita Electric Ind Co Ltd 送信機
WO2005094548A2 (en) * 2004-03-25 2005-10-13 Optichron, Inc. Reduced complexity nonlinear filters for analog-to-digital converter linearization
KR20070030187A (ko) * 2004-03-25 2007-03-15 옵티크론, 인코포레이티드. 디지털 선형화 시스템
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7292103B2 (en) * 2005-04-14 2007-11-06 Avago Technologies Wireless Ip (Singapore) Pte Ltd Amplifier system having compensated amplification variation
GB2428149B (en) * 2005-07-07 2009-10-28 Agilent Technologies Inc Multimode optical fibre communication system
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US7881448B2 (en) * 2006-10-30 2011-02-01 International Business Machines Corporation Method and system for notifying a telephone user of an audio problem
KR100811162B1 (ko) * 2006-11-15 2008-03-07 삼성전자주식회사 통신장치 및 저잡음 증폭방법
WO2008156800A1 (en) 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
JP5105309B2 (ja) * 2008-07-15 2012-12-26 日本電気株式会社 電力増幅器、電力増幅器の非線形歪補正方法、無線通信装置
US8170508B2 (en) * 2009-05-07 2012-05-01 Rockstar Bidco Lp Pre-distortion for a radio frequency power amplifier
EP2695294A1 (de) 2011-04-08 2014-02-12 Parkervision, Inc. System und verfahren zur hf-leistungsübertragung, -modulation und -verstärkung
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
JP5910081B2 (ja) * 2011-12-28 2016-04-27 富士通株式会社 エンファシス回路
CN102868371B (zh) * 2012-04-01 2015-05-20 武汉邮电科学研究院 一种射频功率放大器数字预失真验证系统及方法
CN104125183B (zh) * 2013-04-26 2017-10-03 瑞昱半导体股份有限公司 模拟前端电路传送端
US20150080063A1 (en) 2013-09-17 2015-03-19 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
US10503222B2 (en) * 2015-09-21 2019-12-10 Qualcomm Incorporated Circuits and methods providing temperature mitigation for computing devices using estimated skin temperature
CN111371419B (zh) * 2018-12-25 2024-05-31 华润微集成电路(无锡)有限公司 数字功放电路结构和方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03198407A (ja) * 1989-12-26 1991-08-29 Mitsubishi Electric Corp 線形増幅器
JPH07101820B2 (ja) * 1989-12-27 1995-11-01 三菱電機株式会社 低歪高周波増幅装置
JPH04275708A (ja) * 1991-03-01 1992-10-01 Nippon Telegr & Teleph Corp <Ntt> 非線形歪補償回路
JPH05121958A (ja) * 1991-10-29 1993-05-18 Saitama Nippon Denki Kk 直線増幅装置の歪補償制御方式
JPH10145161A (ja) * 1996-11-13 1998-05-29 Nec Corp プリディストーション自動調整回路
US6112062A (en) * 1997-09-26 2000-08-29 The Whitaker Corporation Predistortion for high power amplifiers

Also Published As

Publication number Publication date
EP1282224A1 (de) 2003-02-05
KR100746348B1 (ko) 2007-08-03
US6677821B2 (en) 2004-01-13
KR20020019466A (ko) 2002-03-12
WO2001082473A1 (fr) 2001-11-01
CN1167187C (zh) 2004-09-15
EP1282224B1 (de) 2009-08-05
CN1381092A (zh) 2002-11-20
EP1282224A4 (de) 2007-03-07
US20020153950A1 (en) 2002-10-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee