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WO2009040897A1 - 送受信増幅器および遅延偏差補償方法 - Google Patents

送受信増幅器および遅延偏差補償方法 Download PDF

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Publication number
WO2009040897A1
WO2009040897A1 PCT/JP2007/068654 JP2007068654W WO2009040897A1 WO 2009040897 A1 WO2009040897 A1 WO 2009040897A1 JP 2007068654 W JP2007068654 W JP 2007068654W WO 2009040897 A1 WO2009040897 A1 WO 2009040897A1
Authority
WO
WIPO (PCT)
Prior art keywords
digital signal
transmitter
delay deviation
receiver amplifier
band
Prior art date
Application number
PCT/JP2007/068654
Other languages
English (en)
French (fr)
Inventor
Hiroyuki Sekino
Original Assignee
Fujitsu Limited
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 Limited filed Critical Fujitsu Limited
Priority to JP2009534086A priority Critical patent/JP5146456B2/ja
Priority to PCT/JP2007/068654 priority patent/WO2009040897A1/ja
Priority to EP07807870A priority patent/EP2194684B1/en
Publication of WO2009040897A1 publication Critical patent/WO2009040897A1/ja
Priority to US12/724,216 priority patent/US8594159B2/en

Links

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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • 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
    • H04B2001/0433—Circuits with power amplifiers with linearisation using feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

　帯域通過フィルタで生じる遅延偏差を抑制するため送受信増幅器で遅延偏差補償を行う際に、伝送効率の観点から最適な補正量を設定できるようにする。 　フィードバック部（１）ａは、帯域通過フィルタ（２）を通過したアナログ信号を取得してデジタル信号に変換する。デジタル信号処理部（１ｂ）は、フィードバック部（１ａ）で得られたデジタル信号と入力されたデジタル信号とを比較して変調精度を測定する。そして、以降に入力されるデジタル信号に対して、変調精度が改善するように遅延補正を行う。
PCT/JP2007/068654 2007-09-26 2007-09-26 送受信増幅器および遅延偏差補償方法 WO2009040897A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009534086A JP5146456B2 (ja) 2007-09-26 2007-09-26 送受信増幅器および遅延偏差補償方法
PCT/JP2007/068654 WO2009040897A1 (ja) 2007-09-26 2007-09-26 送受信増幅器および遅延偏差補償方法
EP07807870A EP2194684B1 (en) 2007-09-26 2007-09-26 Transmitter-receiver amplifier and method for compensating delay deviation
US12/724,216 US8594159B2 (en) 2007-09-26 2010-03-15 Transceiver amplifier and delay deviation compensation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/068654 WO2009040897A1 (ja) 2007-09-26 2007-09-26 送受信増幅器および遅延偏差補償方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/724,216 Continuation US8594159B2 (en) 2007-09-26 2010-03-15 Transceiver amplifier and delay deviation compensation method

Publications (1)

Publication Number Publication Date
WO2009040897A1 true WO2009040897A1 (ja) 2009-04-02

Family

ID=40510809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/068654 WO2009040897A1 (ja) 2007-09-26 2007-09-26 送受信増幅器および遅延偏差補償方法

Country Status (4)

Country Link
US (1) US8594159B2 (ja)
EP (1) EP2194684B1 (ja)
JP (1) JP5146456B2 (ja)
WO (1) WO2009040897A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8711760B2 (en) * 2010-03-26 2014-04-29 Intel Corporation Method and apparatus to adjust received signal
US9043044B2 (en) * 2012-12-11 2015-05-26 Electro-Motive Diesel, Inc. System and method for communicating data in a consist
US9876501B2 (en) * 2013-05-21 2018-01-23 Mediatek Inc. Switching power amplifier and method for controlling the switching power amplifier
KR102372526B1 (ko) * 2017-12-22 2022-03-10 삼성전자주식회사 무선 신호를 송수신하기 위한 전자 장치 및 그 전자 장치를 제어하는 방법
US11973472B2 (en) * 2021-01-05 2024-04-30 Newracom, Inc. Digitally assisted radio frequency transmitter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07202955A (ja) 1993-12-29 1995-08-04 Nec Corp マイクロ波帯信号発生装置
JPH09205464A (ja) * 1996-01-25 1997-08-05 Hitachi Denshi Ltd ディジタル無線機
JPH1117762A (ja) * 1997-06-19 1999-01-22 Fujitsu Ltd 交差偏波間干渉補償機能を備えた復調器
JPH11284675A (ja) 1998-03-27 1999-10-15 Hitachi Denshi Ltd 電力増幅器
JP2000216640A (ja) * 1998-12-10 2000-08-04 Nortel Networks Ltd 線形増幅装置
JP2001345718A (ja) * 2000-06-06 2001-12-14 Fujitsu Ltd 非線形歪補償装置を有する通信装置の起動方法
JP2002533022A (ja) * 1998-12-17 2002-10-02 ノキア ネットワークス オサケ ユキチュア 送信器の線形化
JP2007053552A (ja) 2005-08-17 2007-03-01 Fujitsu Ltd 歪補償装置及び歪補償方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09181781A (ja) * 1995-12-27 1997-07-11 Hitachi Denshi Ltd 無線機
JPH09326724A (ja) * 1996-06-03 1997-12-16 Hitachi Denshi Ltd 無線機
US6292122B1 (en) * 2000-03-04 2001-09-18 Qualcomm, Incorporated Digital-to-analog interface circuit having adjustable time response
AU2000274105A1 (en) * 2000-08-18 2002-03-04 Nokia Corporation Multicarrier transmitter circuit arrangement with predistortion linearisation method
JP4061193B2 (ja) * 2000-10-31 2008-03-12 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Ｉｑ変調システム並びに個別的な位相パス及び信号パスを使用する方法
KR100446500B1 (ko) * 2001-03-19 2004-09-04 삼성전자주식회사 비선형 왜곡 보상 방법 및 비선형 왜곡 보상 회로
US7453927B2 (en) * 2003-09-26 2008-11-18 Nokia Corporation Method and apparatus to compensate AM-PM delay mismatch in envelope restoration transmitter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07202955A (ja) 1993-12-29 1995-08-04 Nec Corp マイクロ波帯信号発生装置
JPH09205464A (ja) * 1996-01-25 1997-08-05 Hitachi Denshi Ltd ディジタル無線機
JPH1117762A (ja) * 1997-06-19 1999-01-22 Fujitsu Ltd 交差偏波間干渉補償機能を備えた復調器
JPH11284675A (ja) 1998-03-27 1999-10-15 Hitachi Denshi Ltd 電力増幅器
JP2000216640A (ja) * 1998-12-10 2000-08-04 Nortel Networks Ltd 線形増幅装置
JP2002533022A (ja) * 1998-12-17 2002-10-02 ノキア ネットワークス オサケ ユキチュア 送信器の線形化
JP2001345718A (ja) * 2000-06-06 2001-12-14 Fujitsu Ltd 非線形歪補償装置を有する通信装置の起動方法
JP2007053552A (ja) 2005-08-17 2007-03-01 Fujitsu Ltd 歪補償装置及び歪補償方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2194684A4 *

Also Published As

Publication number Publication date
US8594159B2 (en) 2013-11-26
EP2194684A1 (en) 2010-06-09
JPWO2009040897A1 (ja) 2011-01-13
US20100172398A1 (en) 2010-07-08
EP2194684A4 (en) 2011-06-22
EP2194684B1 (en) 2012-12-19
JP5146456B2 (ja) 2013-02-20

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