WO2008111471A1 - Ｏｆｄｍ変調波出力装置、及び、歪補償方法 - Google Patents

Ｏｆｄｍ変調波出力装置、及び、歪補償方法 Download PDF

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Publication number
WO2008111471A1
WO2008111471A1 PCT/JP2008/054010 JP2008054010W WO2008111471A1 WO 2008111471 A1 WO2008111471 A1 WO 2008111471A1 JP 2008054010 W JP2008054010 W JP 2008054010W WO 2008111471 A1 WO2008111471 A1 WO 2008111471A1
Authority
WO
WIPO (PCT)
Prior art keywords
power amplifier
modulated wave
output device
amplitude
power
Prior art date
Application number
PCT/JP2008/054010
Other languages
English (en)
French (fr)
Inventor
Yoshinori Fujimoto
Original Assignee
Nec 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 Nec Corporation filed Critical Nec Corporation
Priority to US12/306,038 priority Critical patent/US20090310705A1/en
Priority to CA002656447A priority patent/CA2656447A1/en
Priority to JP2009504000A priority patent/JP4905551B2/ja
Priority to CN200880000344.5A priority patent/CN101542950B/zh
Priority to EP08721430.0A priority patent/EP2026487B1/en
Publication of WO2008111471A1 publication Critical patent/WO2008111471A1/ja

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • 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
    • 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
    • H03F1/0211—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 supply voltage or current
    • 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • 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
    • H03F3/20—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
    • 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
    • H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • 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
    • H04B2001/0441—Circuits with power amplifiers with linearisation using feed-forward

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)

Abstract

　ＯＦＤＭ(Orthogonal Frequency Division Multiplex)変調波出力装置。振幅抽出部（１０８）は、ＯＦＤＭ変調波の振幅を抽出する。電力増幅器制御部（１１４）、抽出された振幅が所定の振幅よりも大きいと、ＯＦＤＭ変調波を増幅する電力増幅器（１１３）への供給電力が定格電力を超えるように設定し、電力増幅器における飽和点を拡大させる。補償値選択制御部（１１６）は、電力増幅器制御部が、電力増幅器の飽和点を拡大させたときには、電力増幅器の非線形特性を補償する。
PCT/JP2008/054010 2007-03-08 2008-03-06 Ｏｆｄｍ変調波出力装置、及び、歪補償方法 WO2008111471A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/306,038 US20090310705A1 (en) 2007-03-08 2008-03-06 Ofdm-modulated-wave output unit and distortion compensating method
CA002656447A CA2656447A1 (en) 2007-03-08 2008-03-06 Ofdm-modulated-wave output unit and distortion compensating method
JP2009504000A JP4905551B2 (ja) 2007-03-08 2008-03-06 Ｏｆｄｍ変調波出力装置、及び、歪補償方法
CN200880000344.5A CN101542950B (zh) 2007-03-08 2008-03-06 Ofdm调制波输出装置和失真补偿方法
EP08721430.0A EP2026487B1 (en) 2007-03-08 2008-03-06 Ofdm modulated wave output device and distortion compensation method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-058565 2007-03-08
JP2007058565 2007-03-08

Publications (1)

Publication Number Publication Date
WO2008111471A1 true WO2008111471A1 (ja) 2008-09-18

Family

ID=39759413

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054010 WO2008111471A1 (ja) 2007-03-08 2008-03-06 Ｏｆｄｍ変調波出力装置、及び、歪補償方法

Country Status (8)

Country Link
US (1) US20090310705A1 (ja)
EP (1) EP2026487B1 (ja)
JP (1) JP4905551B2 (ja)
KR (1) KR100991469B1 (ja)
CN (1) CN101542950B (ja)
CA (1) CA2656447A1 (ja)
TW (1) TW200904082A (ja)
WO (1) WO2008111471A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011010107A (ja) * 2009-06-26 2011-01-13 Fujitsu Ltd 送信装置、歪み補償装置及び歪み補償方法
JP2013523045A (ja) * 2010-03-22 2013-06-13 レイセオン カンパニー デジタル／アナログ変換器（ｄａｃ）
JP2013530616A (ja) * 2010-05-12 2013-07-25 ユニバーシティ オブ プレトリア 信号の変調方式
US9237054B2 (en) 2013-03-19 2016-01-12 Fujitsu Limited Distortion compensation device and distortion compensation device method
JP2019110590A (ja) * 2012-11-27 2019-07-04 イーティーエー デバイシズ， インコーポレイテッド マルチレベル電力増幅器システムのための線形化回路および方法
US10658981B2 (en) 2012-10-30 2020-05-19 Eta Devices, Inc. Linearization circuits and methods for multilevel power amplifier systems

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8891641B2 (en) * 2010-01-12 2014-11-18 Lenovo Innovations Limited (Hong Kong) OFDM modulated wave transmitter apparatus, OFDM modulated wave transmission method, and program
CN103001900B (zh) * 2012-12-11 2015-08-05 华为技术有限公司 发射机的发射通道间干扰消除方法及装置
CN111656682B (zh) * 2018-02-12 2022-01-14 华为技术有限公司 功率调整的方法、装置和介质

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03285404A (ja) * 1990-03-27 1991-12-16 Nippon Telegr & Teleph Corp <Ntt> 出力可変送信装置
JPH05259765A (ja) * 1992-03-13 1993-10-08 Nippon Telegr & Teleph Corp <Ntt> 高周波高出力増幅装置
JPH10209770A (ja) * 1997-01-27 1998-08-07 Toshiba Corp 電力増幅器及びこの電力増幅器を用いた無線電話装置
JP2001244828A (ja) * 2000-03-02 2001-09-07 Hitachi Kokusai Electric Inc 電力増幅器
JP2005117315A (ja) * 2003-10-07 2005-04-28 Matsushita Electric Ind Co Ltd 送信装置、送信出力制御方法、および無線通信装置
JP2005198109A (ja) * 2004-01-08 2005-07-21 Matsushita Electric Ind Co Ltd 送信装置
JP2005244430A (ja) * 2004-02-25 2005-09-08 Hitachi Kokusai Electric Inc 歪補償回路
JP2007058565A (ja) 2005-08-24 2007-03-08 Tottori Univ 健康診断用の自己組織化マップ、その表示装置及び表示方法並びに健康診断用の自己組織化マップの表示プログラム

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JP2003168931A (ja) * 2001-12-04 2003-06-13 Nec Corp 歪補償回路
US7091777B2 (en) * 2002-09-30 2006-08-15 Lucent Technologies Inc. Controller for an RF power amplifier
US6907025B2 (en) * 2003-06-06 2005-06-14 Interdigital Technology Corporation Adjusting the amplitude and phase characteristics of transmitter generated wireless communication signals in response to base station transmit power control signals and known transmitter amplifier characteristics
US8032097B2 (en) * 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
US8195103B2 (en) * 2006-02-15 2012-06-05 Texas Instruments Incorporated Linearization of a transmit amplifier

Patent Citations (8)

* Cited by examiner, † Cited by third party
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JPH03285404A (ja) * 1990-03-27 1991-12-16 Nippon Telegr & Teleph Corp <Ntt> 出力可変送信装置
JPH05259765A (ja) * 1992-03-13 1993-10-08 Nippon Telegr & Teleph Corp <Ntt> 高周波高出力増幅装置
JPH10209770A (ja) * 1997-01-27 1998-08-07 Toshiba Corp 電力増幅器及びこの電力増幅器を用いた無線電話装置
JP2001244828A (ja) * 2000-03-02 2001-09-07 Hitachi Kokusai Electric Inc 電力増幅器
JP2005117315A (ja) * 2003-10-07 2005-04-28 Matsushita Electric Ind Co Ltd 送信装置、送信出力制御方法、および無線通信装置
JP2005198109A (ja) * 2004-01-08 2005-07-21 Matsushita Electric Ind Co Ltd 送信装置
JP2005244430A (ja) * 2004-02-25 2005-09-08 Hitachi Kokusai Electric Inc 歪補償回路
JP2007058565A (ja) 2005-08-24 2007-03-08 Tottori Univ 健康診断用の自己組織化マップ、その表示装置及び表示方法並びに健康診断用の自己組織化マップの表示プログラム

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FRIESE M.: "On the degradation of OFDM-signals fue to peak-clipping in optimally predistorted power amplifiers", GOBAL TELECOMMUNICATIONS CONFERENCE, 1998. GLOBECOM 98. THE BRIDGE TO GLOBAL INTEGRATION. IEEE, vol. 2, 12 November 1998 (1998-11-12), pages 939 - 944, XP000825888 *
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S. UWANO; Y MATSUMOTO; M. MIZOGUCHI: "Linearized constant peak-power coded OFDM transmission for broadband wireless access systems", PROC. IEEE PIMRC'99, September 1999 (1999-09-01), pages 358 - 362
See also references of EP2026487A4
SEOG GEUN KANG; JEONG GOO KIM; EON KYEONG JO: "A novel subblock partition scheme for partial transmit sequence OFDM", IEEE TRANSACTIONS ON BROADCASTING, vol. 45, no. 3, September 1999 (1999-09-01), pages 333 - 338, XP011083079, DOI: doi:10.1109/11.796276
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011010107A (ja) * 2009-06-26 2011-01-13 Fujitsu Ltd 送信装置、歪み補償装置及び歪み補償方法
JP2013523045A (ja) * 2010-03-22 2013-06-13 レイセオン カンパニー デジタル／アナログ変換器（ｄａｃ）
KR101453854B1 (ko) 2010-03-22 2014-10-22 레이티언 캄파니 디지털 아날로그 변환기
JP2013530616A (ja) * 2010-05-12 2013-07-25 ユニバーシティ オブ プレトリア 信号の変調方式
US10658981B2 (en) 2012-10-30 2020-05-19 Eta Devices, Inc. Linearization circuits and methods for multilevel power amplifier systems
JP2019110590A (ja) * 2012-11-27 2019-07-04 イーティーエー デバイシズ， インコーポレイテッド マルチレベル電力増幅器システムのための線形化回路および方法
US9237054B2 (en) 2013-03-19 2016-01-12 Fujitsu Limited Distortion compensation device and distortion compensation device method

Also Published As

Publication number Publication date
CA2656447A1 (en) 2008-09-18
KR100991469B1 (ko) 2010-11-04
CN101542950B (zh) 2014-02-19
EP2026487A4 (en) 2013-01-23
KR20090080475A (ko) 2009-07-24
JP4905551B2 (ja) 2012-03-28
US20090310705A1 (en) 2009-12-17
TW200904082A (en) 2009-01-16
CN101542950A (zh) 2009-09-23
EP2026487A1 (en) 2009-02-18
JPWO2008111471A1 (ja) 2010-06-24
EP2026487B1 (en) 2014-07-30

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