CN1248522C - 发送机 - Google Patents

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Publication number
CN1248522C
CN1248522C CNB031550568A CN03155056A CN1248522C CN 1248522 C CN1248522 C CN 1248522C CN B031550568 A CNB031550568 A CN B031550568A CN 03155056 A CN03155056 A CN 03155056A CN 1248522 C CN1248522 C CN 1248522C
Authority
CN
China
Prior art keywords
channels
signals
channel
digital
output
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
CNB031550568A
Other languages
English (en)
Chinese (zh)
Other versions
CN1487759A (zh
Inventor
铃木恭宜
广田哲夫
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of CN1487759A publication Critical patent/CN1487759A/zh
Application granted granted Critical
Publication of CN1248522C publication Critical patent/CN1248522C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/191—Tuned amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
CNB031550568A 2002-08-26 2003-08-26 发送机 Expired - Fee Related CN1248522C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP244754/02 2002-08-26
JP244754/2002 2002-08-26
JP2002244754A JP4063612B2 (ja) 2002-08-26 2002-08-26 送信機

Publications (2)

Publication Number Publication Date
CN1487759A CN1487759A (zh) 2004-04-07
CN1248522C true CN1248522C (zh) 2006-03-29

Family

ID=31492513

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031550568A Expired - Fee Related CN1248522C (zh) 2002-08-26 2003-08-26 发送机

Country Status (4)

Country Link
US (1) US20040038696A1 (enExample)
EP (1) EP1394954B1 (enExample)
JP (1) JP4063612B2 (enExample)
CN (1) CN1248522C (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602006000525T2 (de) 2005-06-03 2009-02-05 Ntt Docomo Inc. Mehrbandvorverzerrer mit Korrekturwertetabellen
RU2327184C1 (ru) * 2006-09-28 2008-06-20 Открытое Акционерное Общество "Научно-Производственное Объединение "Лианозовский Электромеханический Завод" (Оао "Нпо "Лэмз") Передающее устройство импульсной рлс
GB0822659D0 (en) 2008-12-12 2009-01-21 Astrium Ltd Multiport amplifier adjustment
US20120328050A1 (en) * 2011-06-21 2012-12-27 Telefonaktiebolaget L M Ericsson (Publ) Centralized adaptor architecture for power amplifier linearizations in advanced wireless communication systems
US9130796B2 (en) * 2012-07-17 2015-09-08 Qualcomm Incorporated Method and apparatus for characterized pre-distortion calibration of a power amplifier
US8855588B2 (en) * 2012-12-19 2014-10-07 Mstar Semiconductor, Inc. Power amplifying apparatus and wireless signal transmitter utilizing the same

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3361095A (en) * 1994-08-05 1996-03-04 Acuson Corporation Method and apparatus for transmit beamformer system
US5604462A (en) * 1995-11-17 1997-02-18 Lucent Technologies Inc. Intermodulation distortion detection in a power shared amplifier network
US5675285A (en) * 1995-12-21 1997-10-07 Lucent Technologies Inc. Multichannel predistortion linearizer for multiple amplifiers with multiple antennas
US5834972A (en) * 1996-10-11 1998-11-10 Motorola, Inc. Method and system in a hybrid matrix amplifier for configuring a digital transformer
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
EP0891041B1 (de) * 1997-07-08 2004-03-03 Siemens Aktiengesellschaft Sendeeinrichtung
US7076168B1 (en) * 1998-02-12 2006-07-11 Aquity, Llc Method and apparatus for using multicarrier interferometry to enhance optical fiber communications
US6335767B1 (en) * 1998-06-26 2002-01-01 Harris Corporation Broadcast transmission system with distributed correction
US6118339A (en) * 1998-10-19 2000-09-12 Powerwave Technologies, Inc. Amplification system using baseband mixer
US6342810B1 (en) * 1999-07-13 2002-01-29 Pmc-Sierra, Inc. Predistortion amplifier system with separately controllable amplifiers
JP2001268150A (ja) * 2000-03-21 2001-09-28 Hitachi Kokusai Electric Inc リニアライザ
US6859643B1 (en) * 2000-08-04 2005-02-22 Lucent Technologies Inc. Power amplifier sharing in a wireless communication system with amplifier pre-distortion
JP3690988B2 (ja) * 2001-02-01 2005-08-31 株式会社日立国際電気 プリディストーション歪み補償装置
JP3805221B2 (ja) * 2001-09-18 2006-08-02 株式会社日立国際電気 歪み補償装置
US7058369B1 (en) * 2001-11-21 2006-06-06 Pmc-Sierra Inc. Constant gain digital predistortion controller for linearization of non-linear amplifiers
US6983026B2 (en) * 2002-03-19 2006-01-03 Motorola, Inc. Method and apparatus using base band transformation to improve transmitter performance
US6809587B2 (en) * 2002-04-23 2004-10-26 Mitec Telecom Inc. Active predistorting linearizer with agile bypass circuit for safe mode operation

Also Published As

Publication number Publication date
US20040038696A1 (en) 2004-02-26
EP1394954A3 (en) 2005-05-25
CN1487759A (zh) 2004-04-07
JP2004088303A (ja) 2004-03-18
EP1394954B1 (en) 2012-05-23
EP1394954A2 (en) 2004-03-03
JP4063612B2 (ja) 2008-03-19

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060329

Termination date: 20170826