DE60332798D1 - Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung - Google Patents

Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung

Info

Publication number
DE60332798D1
DE60332798D1 DE60332798T DE60332798T DE60332798D1 DE 60332798 D1 DE60332798 D1 DE 60332798D1 DE 60332798 T DE60332798 T DE 60332798T DE 60332798 T DE60332798 T DE 60332798T DE 60332798 D1 DE60332798 D1 DE 60332798D1
Authority
DE
Germany
Prior art keywords
peak
reduction
ratio
average power
average
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 - Lifetime
Application number
DE60332798T
Other languages
English (en)
Inventor
Hiroshi Itahara
Yuichi Hagiwara
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE60332798D1 publication Critical patent/DE60332798D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • H04L27/2623Reduction thereof by clipping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60332798T 2002-07-31 2003-07-23 Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung Expired - Lifetime DE60332798D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002224221A JP3796204B2 (ja) 2002-07-31 2002-07-31 マルチキャリア送信信号のピーク抑圧方法およびピーク抑圧機能をもつマルチキャリア送信信号生成回路

Publications (1)

Publication Number Publication Date
DE60332798D1 true DE60332798D1 (de) 2010-07-15

Family

ID=30112976

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60332798T Expired - Lifetime DE60332798D1 (de) 2002-07-31 2003-07-23 Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung

Country Status (5)

Country Link
US (2) US6982965B2 (de)
EP (2) EP1387541B1 (de)
JP (1) JP3796204B2 (de)
CN (2) CN100345401C (de)
DE (1) DE60332798D1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4287225B2 (ja) * 2003-09-18 2009-07-01 株式会社日立国際電気 送信機
GB2406300A (en) * 2003-09-20 2005-03-30 Rolls Royce Plc A method of laser machining components having a protective surface coating
JP2005101975A (ja) * 2003-09-25 2005-04-14 Matsushita Electric Ind Co Ltd 無線通信装置及びピーク抑圧方法
JP2005106684A (ja) * 2003-09-30 2005-04-21 Konica Minolta Medical & Graphic Inc 放射線画像変換パネル及びその製造方法
US7342976B2 (en) * 2004-01-27 2008-03-11 Crestcom, Inc. Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter
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
JP4359191B2 (ja) * 2004-06-01 2009-11-04 株式会社日立国際電気 信号生成装置
DE102004038089B4 (de) * 2004-08-05 2016-02-04 Rohde & Schwarz Gmbh & Co. Kg Reglergestütztes Verfahren und reglergestützte Vorrichtung zur Bestimmung der Kennlinie eines Kompensationsgliedes in einem Pegelkreis
JP2006174364A (ja) * 2004-12-20 2006-06-29 Fujitsu Ltd マルチキャリア信号送信装置、マルチキャリア信号受信装置、マルチキャリア信号送信方法、マルチキャリア信号受信方法、及び通信システム
GB0500416D0 (en) * 2005-01-10 2005-02-16 Nokia Corp Transmitting information using multiple carriers
GB0500415D0 (en) * 2005-01-10 2005-02-16 Nokia Corp Transmitting information using multiple carriers
JP4888661B2 (ja) * 2005-03-02 2012-02-29 日本電気株式会社 下りパケット通信の送信制御方法及び無線基地局
EP1916790B1 (de) * 2005-08-19 2015-02-11 ZTE Corporation Verfahren zum implementieren von hsdpa für td-scdma
US20070071120A1 (en) * 2005-09-26 2007-03-29 Shilpa Talwar Peak to average power reduction using channel state information
EP1940058B1 (de) * 2005-09-27 2013-11-13 Fujitsu Ltd. Funkübertragungseinrichtung mit spitzenunterdrückungsfunktion
KR100707268B1 (ko) * 2005-10-08 2007-04-16 삼성전자주식회사 영상보간장치 및 영상보간방법
KR101150611B1 (ko) * 2005-10-21 2012-06-08 삼성전자주식회사 이동통신 시스템에서 복합 자동 재전송 방식을 이용한 패킷데이터 송/수신 장치 및 방법
JP2007194825A (ja) * 2006-01-18 2007-08-02 Fujitsu Ltd マルチキャリア信号送信装置
EP1821474B1 (de) 2006-02-17 2012-05-30 Fujitsu Limited Einrichtung zum Entfernen von Spitzenspannungsignalen
JP4789749B2 (ja) * 2006-08-17 2011-10-12 富士通株式会社 ピーク抑圧装置
JP4847838B2 (ja) * 2006-10-13 2011-12-28 株式会社日立国際電気 送信機
US8306162B2 (en) * 2007-11-28 2012-11-06 Motorola Solutions, Inc. Method and apparatus for complementary cumulative distribution driven level convergence for spectrum sensing
JP4941261B2 (ja) 2007-12-04 2012-05-30 富士通株式会社 歪補償増幅装置および歪補償方法
JP5176692B2 (ja) 2008-05-28 2013-04-03 日本電気株式会社 歪補償回路及び歪補償方法
JP5125797B2 (ja) * 2008-06-19 2013-01-23 富士通株式会社 振幅抑圧装置および信号送信装置
JP5233784B2 (ja) * 2009-03-25 2013-07-10 日本電気株式会社 マルチキャリア送信信号のピークファクタ低減装置及び方法
JP2011176790A (ja) * 2010-01-26 2011-09-08 Kyocera Corp 通信装置および通信方法
JP5406132B2 (ja) * 2010-07-08 2014-02-05 株式会社日立製作所 ピークファクタ低減装置および無線送信機
SG11201400984WA (en) 2011-09-30 2014-04-28 Aviat Networks Inc Systems and methods for adaptive power amplifier linearization
US8995521B2 (en) 2012-10-30 2015-03-31 Lsi Corporation Method and apparatus for high density pulse density modulation
US9086556B2 (en) * 2013-02-12 2015-07-21 Nexans Fiber optic cable with improved flexibility, low temperature and compression resistance
JP6175852B2 (ja) * 2013-03-28 2017-08-09 富士通株式会社 電力増幅装置
KR102200813B1 (ko) * 2014-11-19 2021-01-11 삼성전자 주식회사 이동 통신 시스템에서 신호 수신 방법 및 장치
US9590567B2 (en) * 2015-07-02 2017-03-07 Xilinx, Inc. Moving mean and magnitude dual path digital predistortion
US11838121B2 (en) * 2021-07-01 2023-12-05 Qualcomm Incorporated Downlink transmission requirement based on downlink compensation capability of a user equipment

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157A (en) * 1849-03-10 Delivery amd take-tip motion of looms
US61068A (en) * 1867-01-08 Improved apparatus for forming boilers
US101935A (en) * 1870-04-12 Improvement in treating fatty matters for the manufacture of candles
US12403A (en) * 1855-02-20 Frederick denzler
US101936A (en) * 1870-04-12 Improvement in churns
US118729A (en) * 1871-09-05 Improvement in carriage-shackles
US63685A (en) * 1867-04-09 Andrew r
US12292A (en) * 1855-01-23 Henry biakely
US86507A (en) * 1869-02-02 Improvement in whip-sockets
US5357541A (en) * 1989-03-23 1994-10-18 Echelon Corporation Transceiver providing selectable frequencies and spreading sequences
US5125100A (en) * 1990-07-02 1992-06-23 Katznelson Ron D Optimal signal synthesis for distortion cancelling multicarrier systems
US5093840A (en) * 1990-11-16 1992-03-03 Scs Mobilecom, Inc. Adaptive power control for a spread spectrum transmitter
US5107225A (en) * 1990-11-30 1992-04-21 Qualcomm Incorporated High dynamic range closed loop automatic gain control circuit
US6334219B1 (en) * 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
JPH08274734A (ja) 1994-12-05 1996-10-18 N T T Ido Tsushinmo Kk 信号多重化装置及び方法
CN1223093C (zh) * 1994-12-05 2005-10-12 Ntt移动通信网株式会社 信号多路复用器及多路复用方法
GB2296165B (en) * 1994-12-15 1999-12-29 Int Mobile Satellite Org Multiplex communication
EP0735731B1 (de) * 1995-03-31 2004-05-12 Victor Company Of Japan, Limited Mehrträgenmodulator- und -demodulator mit Einrichtungen zur Verringerung der Spitzenleistung
JP2718398B2 (ja) * 1995-06-30 1998-02-25 日本電気株式会社 Cdma基地局送信装置
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
GB2309363B (en) * 1996-01-17 2000-07-12 Motorola Ltd Multicarrier communication system and method for peak power control
JP3462388B2 (ja) * 1998-04-28 2003-11-05 松下電器産業株式会社 無線通信装置
US6590906B1 (en) * 1998-08-24 2003-07-08 Matsushita Electric Industrial Co., Ltd. Multi-carrier transmitter circuit and communication equipment
US6188732B1 (en) * 1998-10-19 2001-02-13 Samsung Electronics Co., Ltd. Digital feedforward amplifier for use in an RF transmitter and method of operation
GB9823145D0 (en) * 1998-10-23 1998-12-16 Philips Electronics Nv Radio communication system
US6236864B1 (en) * 1998-11-27 2001-05-22 Nortel Networks Limited CDMA transmit peak power reduction
US6931053B2 (en) * 1998-11-27 2005-08-16 Nortel Networks Limited Peak power and envelope magnitude regulators and CDMA transmitters featuring such regulators
US6430213B1 (en) * 1999-05-26 2002-08-06 The Aerospace Corporation Coherent adaptive subcarrier modulation method
US6654427B1 (en) * 1999-07-28 2003-11-25 Lucent Technologies Inc. Signal notching system for limiting signal peaks
WO2001065748A1 (fr) * 2000-02-29 2001-09-07 Fujitsu Limited Procede de codage pour transmission a porteuses multiples et codeur utilisant ce procede
JP4313925B2 (ja) 2000-03-17 2009-08-12 富士通株式会社 マルチキャリア直接拡散送受信システム,マルチキャリア直接拡散送受信機,マルチキャリア直接拡散送信機及びマルチキャリア直接拡散受信機
US6449302B2 (en) * 2000-04-19 2002-09-10 Powerwave Technologies, Inc. System and method for peak power reduction in spread spectrum communications systems
AU2001278971A1 (en) * 2000-07-21 2002-02-05 Pmc-Sierra, Ltd. Systems and methods for reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms
JP2002044054A (ja) 2000-07-25 2002-02-08 Hitachi Kokusai Electric Inc リミッタ回路付きキャリア合成送信回路
IT1318964B1 (it) * 2000-10-04 2003-09-19 Cit Alcatel Metodo per ridurre il rapporto tra potenza di picco e potenza media diun segnale multiportante generato da traformata di fourier in sistemi
JP3478496B2 (ja) 2000-11-24 2003-12-15 松下電器産業株式会社 送信電力制御方法及びその装置並びに通信装置
US7170952B2 (en) * 2001-07-02 2007-01-30 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in communications systems
US6931239B2 (en) * 2001-07-30 2005-08-16 Hitachi Kokusai Electric Inc. Peak limiter and multi-carrier amplification apparatus
US7095798B2 (en) * 2001-08-02 2006-08-22 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in multi-carrier communications systems
US20030086507A1 (en) * 2001-11-07 2003-05-08 Jaehyeong Kim Peak limiting architecture and method

Also Published As

Publication number Publication date
US20040136395A1 (en) 2004-07-15
EP2219334A3 (de) 2013-01-23
EP1387541A3 (de) 2007-02-14
JP2004064711A (ja) 2004-02-26
EP1387541A2 (de) 2004-02-04
US7460500B2 (en) 2008-12-02
CN1496037A (zh) 2004-05-12
CN100345401C (zh) 2007-10-24
US20050243909A1 (en) 2005-11-03
EP2219334A2 (de) 2010-08-18
CN101056299B (zh) 2012-05-09
CN101056299A (zh) 2007-10-17
JP3796204B2 (ja) 2006-07-12
EP1387541B1 (de) 2010-06-02
US6982965B2 (en) 2006-01-03

Similar Documents

Publication Publication Date Title
DE60332798D1 (de) Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung
DE60329259D1 (de) Verringerung des Verhältnisses von Spitzen- zur Durchschnittsleistung in Mehrträgersignalen
DE602005005107D1 (de) Reglung des Verhältnisses von Spitzen- zu Mittelleistung
FI20021905A0 (fi) Jännitteenkertoja
DE60101991D1 (de) Gleichstrom- zu Gleichstromumwandler
DE60307960D1 (de) Kraftwerkzeuge
FR2842417B1 (fr) Composition cosmetique
FR2842416B1 (fr) Composition cosmetique
DE60139175D1 (de) Entzerrer von Strahlungsleistungen
DE60313103D1 (de) Kraftwerkzeug
DE60239484D1 (de) Leistungsverstärker
DK1492934T3 (da) Dørenhed
DE60334690D1 (de) Energiewandler
DE60220170D1 (de) Energieschonender absperrschieber
DE60308231D1 (de) Servolenkung
DE60028914D1 (de) Regelung des Verhältnisses von Spitzen- zu Mittelleistung in einem Frequenzmultiplexer
GB0312346D0 (en) Improvements to the representation of the RMS values of waveforms
FI20021400A (fi) Menetelmä lämpö- ja sähköenergian tuottamiseksi
SE0303482L (sv) Kraftkondensator
DE50307614D1 (de) Spannungsversorgungsschaltung
FI20022300A0 (fi) Tehonsäädin
DE50309944D1 (de) Antriebsaggregat
ITMN20010004U1 (it) Saliscendi per doccia
DE10211317A8 (de) Öko-Steamer nach Buck-Ufer
FI5523U1 (fi) Tehotakka