WO2008105409A1 - 無線通信装置 - Google Patents

無線通信装置 Download PDF

Info

Publication number
WO2008105409A1
WO2008105409A1 PCT/JP2008/053299 JP2008053299W WO2008105409A1 WO 2008105409 A1 WO2008105409 A1 WO 2008105409A1 JP 2008053299 W JP2008053299 W JP 2008053299W WO 2008105409 A1 WO2008105409 A1 WO 2008105409A1
Authority
WO
WIPO (PCT)
Prior art keywords
wireless communication
communication device
modulated signal
modulated
multicarrier
Prior art date
Application number
PCT/JP2008/053299
Other languages
English (en)
French (fr)
Inventor
Hideto Kanou
Original Assignee
Kyocera Corporation
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 Kyocera Corporation filed Critical Kyocera Corporation
Priority to US12/528,772 priority Critical patent/US20100148745A1/en
Priority to JP2009501245A priority patent/JPWO2008105409A1/ja
Publication of WO2008105409A1 publication Critical patent/WO2008105409A1/ja

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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H03F1/0266—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • 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
    • 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
    • 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
    • H03F2201/3206—Multiple channels are combined and amplified by only one amplifier
    • 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
    • H04B2001/045—Circuits with power amplifiers with means for improving efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)

Abstract

　本発明は、マルチキャリアで変調された変調信号を送信する無線通信装置において、変調信号内のキャリア数に応じて、変調信号を増幅するための電力増幅器101のバイアス電圧を、制御部(10,102)により制御して、低消費電力化を図る。
PCT/JP2008/053299 2007-02-27 2008-02-26 無線通信装置 WO2008105409A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/528,772 US20100148745A1 (en) 2007-02-27 2008-02-26 Wireless Communication Apparatus
JP2009501245A JPWO2008105409A1 (ja) 2007-02-27 2008-02-26 無線通信装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007047349 2007-02-27
JP2007-047349 2007-02-27

Publications (1)

Publication Number Publication Date
WO2008105409A1 true WO2008105409A1 (ja) 2008-09-04

Family

ID=39721240

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053299 WO2008105409A1 (ja) 2007-02-27 2008-02-26 無線通信装置

Country Status (3)

Country Link
US (1) US20100148745A1 (ja)
JP (1) JPWO2008105409A1 (ja)
WO (1) WO2008105409A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015065665A (ja) * 2010-01-12 2015-04-09 レノボ・イノベーションズ・リミテッド（香港） Ｏｆｄｍ変調波送信装置、ｏｆｄｍ変調波送信方法、及びプログラム

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5278289B2 (ja) * 2009-11-24 2013-09-04 富士通株式会社 定在波比測定回路及び通信装置
KR20120018266A (ko) 2010-08-20 2012-03-02 삼성전자주식회사 직교 주파수 분할 다중 접속 방법을 사용하는 무선 통신 시스템에서 기지국의 전력 증폭기 소모 전력 제어 방법 및 장치
US9071302B2 (en) * 2011-09-06 2015-06-30 Apple Inc. Radio-frequency power amplifier circuitry with power supply voltage optimization capabilities
US9071975B2 (en) * 2011-09-08 2015-06-30 Apple Inc. Radio-frequency power amplifier circuitry with linearity optimization capabilities
US8983395B2 (en) * 2011-12-12 2015-03-17 Apple Inc. Methods and apparatus for testing radio-frequency power amplifier performance
US9837972B2 (en) * 2015-12-30 2017-12-05 Skyworks Solutions, Inc. Multi-mode power amplifier module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09200166A (ja) * 1996-01-18 1997-07-31 Hitachi Denshi Ltd 無線機
JP2001244828A (ja) * 2000-03-02 2001-09-07 Hitachi Kokusai Electric Inc 電力増幅器
JP2003032219A (ja) * 2001-07-17 2003-01-31 Nippon Hoso Kyokai <Nhk> Ｏｆｄｍ高能率増幅装置
JP2004032591A (ja) * 2002-06-28 2004-01-29 Nec Engineering Ltd デジタル変調装置
JP2004120271A (ja) * 2002-09-26 2004-04-15 Hitachi Kokusai Electric Inc 無線送信機
JP2005318266A (ja) * 2004-04-28 2005-11-10 Mitsubishi Electric Corp 移動通信端末装置、及び送信電力制御方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04292024A (ja) * 1991-03-20 1992-10-16 Fujitsu Ltd 送信レベル自動制御方式
JP2005252509A (ja) * 2004-03-03 2005-09-15 Nec Corp マルチキャリア伝送用非線形歪補償回路

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09200166A (ja) * 1996-01-18 1997-07-31 Hitachi Denshi Ltd 無線機
JP2001244828A (ja) * 2000-03-02 2001-09-07 Hitachi Kokusai Electric Inc 電力増幅器
JP2003032219A (ja) * 2001-07-17 2003-01-31 Nippon Hoso Kyokai <Nhk> Ｏｆｄｍ高能率増幅装置
JP2004032591A (ja) * 2002-06-28 2004-01-29 Nec Engineering Ltd デジタル変調装置
JP2004120271A (ja) * 2002-09-26 2004-04-15 Hitachi Kokusai Electric Inc 無線送信機
JP2005318266A (ja) * 2004-04-28 2005-11-10 Mitsubishi Electric Corp 移動通信端末装置、及び送信電力制御方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015065665A (ja) * 2010-01-12 2015-04-09 レノボ・イノベーションズ・リミテッド（香港） Ｏｆｄｍ変調波送信装置、ｏｆｄｍ変調波送信方法、及びプログラム
JP2015065697A (ja) * 2010-01-12 2015-04-09 レノボ・イノベーションズ・リミテッド（香港） Ｏｆｄｍ変調波送信装置、ｏｆｄｍ変調波送信方法、及びプログラム

Also Published As

Publication number Publication date
US20100148745A1 (en) 2010-06-17
JPWO2008105409A1 (ja) 2010-06-03

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