DE69728651D1 - Sender mit linearisiertem Verstärker - Google Patents

Sender mit linearisiertem Verstärker

Info

Publication number
DE69728651D1
DE69728651D1 DE69728651T DE69728651T DE69728651D1 DE 69728651 D1 DE69728651 D1 DE 69728651D1 DE 69728651 T DE69728651 T DE 69728651T DE 69728651 T DE69728651 T DE 69728651T DE 69728651 D1 DE69728651 D1 DE 69728651D1
Authority
DE
Germany
Prior art keywords
transmitter
linearized amplifier
linearized
amplifier
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
DE69728651T
Other languages
English (en)
Other versions
DE69728651T2 (de
Inventor
Akihiko Matsuoka
Masayuki Orihashi
Morikazu Sagawa
Kenichi Takahashi
Kouei Misaizu
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP30768596A external-priority patent/JP3221335B2/ja
Priority claimed from JP08307686A external-priority patent/JP3139395B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69728651D1 publication Critical patent/DE69728651D1/de
Publication of DE69728651T2 publication Critical patent/DE69728651T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03F1/3247Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/38Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H03C3/406Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated using a feedback loop containing mixers or demodulators
    • 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
    • H03F1/3294Acting on the real and imaginary components of the input signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/366Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/57Separate feedback of real and complex signals being present
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2201/00Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3233Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Amplifiers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69728651T 1996-11-19 1997-11-13 Sender mit linearisiertem Verstärker Expired - Fee Related DE69728651T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP30768596A JP3221335B2 (ja) 1996-11-19 1996-11-19 非線形歪補償装置
JP08307686A JP3139395B2 (ja) 1996-11-19 1996-11-19 送信装置
JP30768696 1996-11-19
JP30768596 1996-11-19
PCT/JP1997/004132 WO1998023068A1 (fr) 1996-11-19 1997-11-13 Emetteur

Publications (2)

Publication Number Publication Date
DE69728651D1 true DE69728651D1 (de) 2004-05-19
DE69728651T2 DE69728651T2 (de) 2004-08-19

Family

ID=26565227

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69728651T Expired - Fee Related DE69728651T2 (de) 1996-11-19 1997-11-13 Sender mit linearisiertem Verstärker

Country Status (5)

Country Link
US (2) US6418173B1 (de)
EP (1) EP0881807B1 (de)
CN (1) CN1171422C (de)
DE (1) DE69728651T2 (de)
WO (1) WO1998023068A1 (de)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2339657B (en) 1998-07-16 2003-04-16 Ifr Ltd Method and apparatus for compensating for distorsion in IQ modulators
WO2000074232A1 (fr) * 1999-05-28 2000-12-07 Fujitsu Limited Amplificateur de compensation de distorsion du type predistorsion
IT1311680B1 (it) * 1999-06-17 2002-03-19 Itelco S P A Sistema di predistorsione misto in banda base e if per lalinearizzazione di amplificatori.
IT1311679B1 (it) * 1999-06-17 2002-03-19 Itelco S P A Sistema di predistorsione per la linearizzazione di amplificatori.
JP3834166B2 (ja) * 1999-07-07 2006-10-18 日本電気株式会社 振幅計算回路
US6798843B1 (en) * 1999-07-13 2004-09-28 Pmc-Sierra, Inc. Wideband digital predistortion linearizer for nonlinear amplifiers
US6356146B1 (en) 1999-07-13 2002-03-12 Pmc-Sierra, Inc. Amplifier measurement and modeling processes for use in generating predistortion parameters
US6697436B1 (en) 1999-07-13 2004-02-24 Pmc-Sierra, Inc. Transmission antenna array system with predistortion
US6342810B1 (en) 1999-07-13 2002-01-29 Pmc-Sierra, Inc. Predistortion amplifier system with separately controllable amplifiers
US6587514B1 (en) * 1999-07-13 2003-07-01 Pmc-Sierra, Inc. Digital predistortion methods for wideband amplifiers
JP4086133B2 (ja) * 1999-07-28 2008-05-14 富士通株式会社 無線装置の歪補償方法及び歪補償装置
US7409007B1 (en) 1999-09-14 2008-08-05 Lucent Technologies Inc. Method and apparatus for reducing adjacent channel power in wireless communication systems
US6973138B1 (en) 2000-01-26 2005-12-06 Pmc-Sierra, Inc. Advanced adaptive pre-distortion in a radio frequency transmitter
DE10140580A1 (de) * 2000-12-16 2002-06-20 Stabilus Gmbh Kolben-Zylinderaggregat mit einer geschwindigkeitsabhängigen Dämpfkraft
KR100360273B1 (ko) * 2000-12-28 2002-11-09 엘지전자 주식회사 디지탈 티브이 중계기의 선형보상 적응 등화기 및 그의제어방법
US7065154B2 (en) * 2000-12-29 2006-06-20 Nokia Corporation Baseband predistortion method for multicarrier transmitters
US7486722B2 (en) 2001-04-18 2009-02-03 Bae Systems Information And Electronic Systems Integration Inc. Bandwidth efficient cable network modem
US7170952B2 (en) 2001-07-02 2007-01-30 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in communications systems
US7095798B2 (en) 2001-08-02 2006-08-22 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in multi-carrier communications systems
JP3643803B2 (ja) * 2001-08-30 2005-04-27 株式会社日立国際電気 増幅装置
JP2003078359A (ja) * 2001-08-31 2003-03-14 Hitachi Kokusai Electric Inc 増幅装置
JP2003168931A (ja) * 2001-12-04 2003-06-13 Nec Corp 歪補償回路
US6664852B2 (en) * 2002-02-28 2003-12-16 Motorola, Inc. Apparatus and method for digital control systems
JP4071526B2 (ja) * 2002-04-10 2008-04-02 松下電器産業株式会社 非線形歪補償装置および送信装置
FI20020820A0 (fi) * 2002-04-30 2002-04-30 Nokia Corp Menetelmä signaalin rajoittamiseksi ja lähetin
JP4142384B2 (ja) * 2002-10-01 2008-09-03 松下電器産業株式会社 送信装置
JP4641715B2 (ja) * 2003-11-14 2011-03-02 富士通株式会社 歪補償装置及び無線基地局
US20050163205A1 (en) * 2004-01-27 2005-07-28 Crestcom, Inc. Equalized signal path with predictive subtraction signal and method therefor
US20050163208A1 (en) * 2004-01-27 2005-07-28 Crestcom, Inc. Equalized signal path with predictive subtraction signal and method therefor
US7430248B2 (en) * 2004-01-27 2008-09-30 Crestcom, Inc. Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter
US7099399B2 (en) * 2004-01-27 2006-08-29 Crestcom, Inc. Distortion-managed digital RF communications transmitter and method therefor
US7469491B2 (en) * 2004-01-27 2008-12-30 Crestcom, Inc. Transmitter predistortion circuit and method therefor
US7342976B2 (en) * 2004-01-27 2008-03-11 Crestcom, Inc. Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter
US7363014B2 (en) * 2004-03-09 2008-04-22 Matsushita Electric Industrial Co., Ltd. Transmitting apparatus and radio communication apparatus
US20050201483A1 (en) * 2004-03-12 2005-09-15 Edmund Coersmeier Error adjustment for multi-antenna transmitter
EP1730842A4 (de) * 2004-03-25 2007-10-17 Optichron Inc Digitales linearisierungssystem
US20070082617A1 (en) * 2005-10-11 2007-04-12 Crestcom, Inc. Transceiver with isolation-filter compensation and method therefor
JP4750592B2 (ja) * 2006-03-17 2011-08-17 富士通株式会社 ピーク抑圧方法、ピーク抑圧装置、無線送信装置
US7724840B2 (en) * 2006-12-19 2010-05-25 Crestcom, Inc. RF transmitter with predistortion and method therefor
US7864882B2 (en) * 2006-12-30 2011-01-04 Motorola Mobility, Inc. Method and apparatus for generating constant envelope modulation using a quadrature transmitter
US7801246B2 (en) * 2006-12-30 2010-09-21 Motorola Mobility, Inc. Multi-mode communication device for generating constant envelope modulated signals using a quadrature modulator
US20080285640A1 (en) * 2007-05-15 2008-11-20 Crestcom, Inc. RF Transmitter With Nonlinear Predistortion and Method Therefor
JP2010187178A (ja) * 2009-02-12 2010-08-26 Toshiba Corp 無線送信装置および無線送信方法
JP5206526B2 (ja) * 2009-03-19 2013-06-12 富士通株式会社 増幅装置および送信装置
US8737523B2 (en) * 2009-06-04 2014-05-27 Xilinx, Inc. Apparatus and method for predictive over-drive detection
JP5251749B2 (ja) * 2009-06-17 2013-07-31 富士通株式会社 位相補正装置、位相補正方法
JP5293441B2 (ja) * 2009-06-17 2013-09-18 富士通株式会社 位相補正装置、位相補正方法
EP2515494B1 (de) * 2009-12-17 2018-12-05 Mitsubishi Electric Corporation Übertragungssystem
JP5488073B2 (ja) * 2010-03-12 2014-05-14 富士通株式会社 無線装置、歪補償装置及び歪補償方法
JP5499878B2 (ja) * 2010-04-23 2014-05-21 富士通株式会社 歪補償装置、無線通信装置及び歪補償方法
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
CN103312414B (zh) * 2012-03-16 2016-03-30 富士通株式会社 一种逆信道装置和包含该装置的发射机、接收机及系统
CN104104445B (zh) * 2013-04-10 2017-06-30 富士通株式会社 非线性加权系数的计算装置以及方法
CN107112959A (zh) * 2014-10-17 2017-08-29 德克萨斯仪器股份有限公司 补偿参数和预失真信号
US11070240B1 (en) * 2020-10-13 2021-07-20 Bae Systems Information And Electronic Systems Integration Inc. Digital amplitude control for transmission of radio frequency signals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236042A (en) * 1979-03-12 1980-11-25 Harris Corporation Compatible AM stereo system employing a modified quadrature modulation scheme
CA1182875A (en) * 1982-06-10 1985-02-19 Misel M. Cuhaci Spectrum shaping microwave digital modulators
JPH0771011B2 (ja) 1989-04-20 1995-07-31 日本電気株式会社 無線通信装置
JPH04227123A (ja) 1990-12-29 1992-08-17 Nec Corp 無線通信装置
JPH04290321A (ja) 1991-03-19 1992-10-14 Fujitsu Ltd 非線形歪補償方法
JP3166871B2 (ja) 1992-03-09 2001-05-14 日本電信電話株式会社 符号化変調装置
US5778029A (en) * 1993-05-13 1998-07-07 Lockheed Martin Aerospace Corporation Signal conditioner with symbol addressed lookup table producing values which compensate linear and non-linear distortion using transversal filter
US5533048A (en) * 1993-07-28 1996-07-02 Celeritas Technologies, Ltd. Apparatus and method for compensating for limiter induced non-linear distortion in a wireless data communication system
JPH07283841A (ja) 1994-04-12 1995-10-27 Fujitsu Ltd 平滑化包絡線型トレリス符号化8psk変調方式
JP2967699B2 (ja) 1995-03-06 1999-10-25 日本電気株式会社 送信装置
JP3198864B2 (ja) * 1995-03-09 2001-08-13 松下電器産業株式会社 送信装置
US6032028A (en) * 1996-04-12 2000-02-29 Continentral Electronics Corporation Radio transmitter apparatus and method

Also Published As

Publication number Publication date
EP0881807B1 (de) 2004-04-14
DE69728651T2 (de) 2004-08-19
US20020064236A1 (en) 2002-05-30
WO1998023068A1 (fr) 1998-05-28
CN1171422C (zh) 2004-10-13
US20030067995A1 (en) 2003-04-10
US6418173B1 (en) 2002-07-09
EP0881807A1 (de) 1998-12-02
CN1208528A (zh) 1999-02-17
EP0881807A4 (de) 2001-11-21

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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