[go: up one dir, main page]

WO2008155819A1 - 電力増幅制御装置 - Google Patents

電力増幅制御装置 Download PDF

Info

Publication number
WO2008155819A1
WO2008155819A1 PCT/JP2007/062310 JP2007062310W WO2008155819A1 WO 2008155819 A1 WO2008155819 A1 WO 2008155819A1 JP 2007062310 W JP2007062310 W JP 2007062310W WO 2008155819 A1 WO2008155819 A1 WO 2008155819A1
Authority
WO
WIPO (PCT)
Prior art keywords
phase modulation
value phase
power amplification
compensation data
amplification controller
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.)
Ceased
Application number
PCT/JP2007/062310
Other languages
English (en)
French (fr)
Inventor
Kenji Suzuki
Toshikazu Tsuchiya
Michiko Satou
Mitsuharu Hamano
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2009520173A priority Critical patent/JP4947144B2/ja
Priority to PCT/JP2007/062310 priority patent/WO2008155819A1/ja
Publication of WO2008155819A1 publication Critical patent/WO2008155819A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • H03F1/3223Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0408Circuits with power amplifiers
    • H04B2001/0441Circuits with power amplifiers with linearisation using feed-forward

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)

Abstract

 本発明は、送信デジタルデータ列にて複数種類の多値位相変調を行って電力増幅する電力増幅制御装置において、前記多値位相変調の種類に対応した補償データを格納する格納手段と、前記送信デジタルデータ列から前記多値位相変調の種類を示す多値位相変調情報を検出する検出手段と、前記検出した多値位相変調情報に基づいて前記格納された補償データのいずれかを選択する選択手段と、前記選択された補償データに基づいて前記電力増幅する際に発生する歪みを補償する補償手段とを有する。
PCT/JP2007/062310 2007-06-19 2007-06-19 電力増幅制御装置 Ceased WO2008155819A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009520173A JP4947144B2 (ja) 2007-06-19 2007-06-19 電力増幅制御装置
PCT/JP2007/062310 WO2008155819A1 (ja) 2007-06-19 2007-06-19 電力増幅制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/062310 WO2008155819A1 (ja) 2007-06-19 2007-06-19 電力増幅制御装置

Publications (1)

Publication Number Publication Date
WO2008155819A1 true WO2008155819A1 (ja) 2008-12-24

Family

ID=40155984

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/062310 Ceased WO2008155819A1 (ja) 2007-06-19 2007-06-19 電力増幅制御装置

Country Status (2)

Country Link
JP (1) JP4947144B2 (ja)
WO (1) WO2008155819A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011199428A (ja) * 2010-03-17 2011-10-06 Fujitsu Ltd 歪補償装置、増幅装置、送信装置および歪補償方法
JP2011199429A (ja) * 2010-03-17 2011-10-06 Fujitsu Ltd 歪補償装置、増幅装置、送信装置および歪補償方法
WO2014185175A1 (ja) * 2013-05-14 2014-11-20 株式会社日立国際電気 送信機
JP2017526303A (ja) * 2014-09-04 2017-09-07 ゼットティーイー コーポレーションZte Corporation 電力増幅処理方法及び装置
JP2017184073A (ja) * 2016-03-31 2017-10-05 株式会社富士通ゼネラル 電力増幅装置及びその制御方法
JP2017220744A (ja) * 2016-06-06 2017-12-14 日本電気株式会社 歪補償回路、歪補償方法及び送信機
US12512861B2 (en) 2022-04-08 2025-12-30 Nec Corporation Radio communication apparatus, method, and computer readable medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09186614A (ja) * 1995-10-30 1997-07-15 Fujitsu Ltd 歪補償回路を有する送信装置
JP2004015769A (ja) * 2002-06-12 2004-01-15 Fujitsu Ltd 送信増幅器
JP2006261969A (ja) * 2005-03-16 2006-09-28 Fujitsu Ltd 歪補償装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3067061B2 (ja) * 1992-12-18 2000-07-17 日本電産コパル株式会社 レンズ駆動機構を兼用したシャッタ駆動機構
JP3446674B2 (ja) * 1999-08-16 2003-09-16 松下電器産業株式会社 非線形歪補償装置
JP2001160718A (ja) * 1999-12-03 2001-06-12 Hitachi Kokusai Electric Inc 電力増幅器及びそれを用いた線形歪み補償電力増幅回路装置
JP2001203772A (ja) * 2000-01-24 2001-07-27 Nec Corp 非線形歪補償装置
JP2001244828A (ja) * 2000-03-02 2001-09-07 Hitachi Kokusai Electric Inc 電力増幅器
JP2003037640A (ja) * 2001-07-23 2003-02-07 Mitsubishi Electric Corp 無線通信装置の送信回路
JP2003258563A (ja) * 2002-03-05 2003-09-12 Hitachi Kokusai Electric Inc プリディストーション方式歪み補償増幅装置
JP2007067584A (ja) * 2005-08-29 2007-03-15 Kyocera Corp タイムスロット制御方法、通信システム、通信装置、及びプログラム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09186614A (ja) * 1995-10-30 1997-07-15 Fujitsu Ltd 歪補償回路を有する送信装置
JP2004015769A (ja) * 2002-06-12 2004-01-15 Fujitsu Ltd 送信増幅器
JP2006261969A (ja) * 2005-03-16 2006-09-28 Fujitsu Ltd 歪補償装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011199428A (ja) * 2010-03-17 2011-10-06 Fujitsu Ltd 歪補償装置、増幅装置、送信装置および歪補償方法
JP2011199429A (ja) * 2010-03-17 2011-10-06 Fujitsu Ltd 歪補償装置、増幅装置、送信装置および歪補償方法
WO2014185175A1 (ja) * 2013-05-14 2014-11-20 株式会社日立国際電気 送信機
JPWO2014185175A1 (ja) * 2013-05-14 2017-02-23 株式会社日立国際電気 送信機
JP2017526303A (ja) * 2014-09-04 2017-09-07 ゼットティーイー コーポレーションZte Corporation 電力増幅処理方法及び装置
JP2017184073A (ja) * 2016-03-31 2017-10-05 株式会社富士通ゼネラル 電力増幅装置及びその制御方法
JP2017220744A (ja) * 2016-06-06 2017-12-14 日本電気株式会社 歪補償回路、歪補償方法及び送信機
US12512861B2 (en) 2022-04-08 2025-12-30 Nec Corporation Radio communication apparatus, method, and computer readable medium

Also Published As

Publication number Publication date
JPWO2008155819A1 (ja) 2010-08-26
JP4947144B2 (ja) 2012-06-06

Similar Documents

Publication Publication Date Title
WO2008155819A1 (ja) 電力増幅制御装置
WO2008136323A1 (ja) コメント配信サーバ、端末装置、コメント配信方法、コメント出力方法、及びコメント配信プログラムを格納した記録媒体
WO2009146174A3 (en) Location determination using formula
WO2009066471A1 (ja) ファイル生成装置
NO20070990L (no) Tidsdiversitet ved mapping for OFDM-symbolkoding
WO2012044025A3 (en) Method of creating and joining social group, user device for executing the method, server, and storage medium
EP2330533A4 (en) Recording/reproducing system, recording medium device, and recording/reproducing device
WO2010107176A3 (ko) 디램 버퍼 관리 장치 및 방법
EP2306286A4 (en) INFORMATION PROCESSING APPARATUS, STORAGE MEDIUM ON WHICH A PROGRAM HAS BEEN RECORDED, AND METHOD FOR MODIFYING OBJECT
WO2007127251A3 (en) Variable ofdm subchannel coding and modulation
WO2011053144A3 (en) Methods and compositions for dysferlin exon-skipping
IL211919A (en) A method and system for carbon dioxide isolation
WO2006028660A3 (en) Context based power management
WO2011003744A3 (en) Multicarrier radio receiver and method for receiving multiple carriers
WO2013071028A3 (en) Method and apparatus for sending channel state information using subframe-dependent control channel formats
WO2010018970A3 (en) Method for uplink transmitting control information
WO2008059230A3 (en) Entertainment device
WO2009073214A3 (en) Advertisement insertion module and advertisement replacement module
WO2012004163A3 (de) Transportsystem mit führungen für geführte transportfahrzeuge und verfahren zu dessen betrieb
EP2321735A4 (en) Multi-homed data forwarding storage
WO2010138861A3 (en) Contextual content targeting
EP2270801A4 (en) Recording medium, recording device, recording method, and reproduction device
WO2009085067A3 (en) Boundary conditions for the arrangement of cells and tissues
WO2008024880A3 (en) Increasing the capacity of a channel in a communications system by, means of predetermined time offsets
WO2009002115A3 (en) Media file format based on, method and apparatus for reproducing the same, and apparatus for generating the same

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07745512

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2009520173

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07745512

Country of ref document: EP

Kind code of ref document: A1