ATE252783T1 - Rundfunkübertragungssystem mit verteilter korrektur - Google Patents

Rundfunkübertragungssystem mit verteilter korrektur

Info

Publication number
ATE252783T1
ATE252783T1 AT00930639T AT00930639T ATE252783T1 AT E252783 T1 ATE252783 T1 AT E252783T1 AT 00930639 T AT00930639 T AT 00930639T AT 00930639 T AT00930639 T AT 00930639T AT E252783 T1 ATE252783 T1 AT E252783T1
Authority
AT
Austria
Prior art keywords
group
components
information signal
linear
distortions
Prior art date
Application number
AT00930639T
Other languages
English (en)
Inventor
Edwin Ray Twitchell
Robert Plonka
Original Assignee
Harris 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 Harris Corp filed Critical Harris Corp
Application granted granted Critical
Publication of ATE252783T1 publication Critical patent/ATE252783T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • 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
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/57—Separate feedback of real and complex signals being present
    • 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
    • H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT00930639T 1999-05-14 2000-05-12 Rundfunkübertragungssystem mit verteilter korrektur ATE252783T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/312,354 US6335767B1 (en) 1998-06-26 1999-05-14 Broadcast transmission system with distributed correction
PCT/US2000/013008 WO2000070749A1 (en) 1999-05-14 2000-05-12 Broadcast transmission system with distributed correction

Publications (1)

Publication Number Publication Date
ATE252783T1 true ATE252783T1 (de) 2003-11-15

Family

ID=23211079

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00930639T ATE252783T1 (de) 1999-05-14 2000-05-12 Rundfunkübertragungssystem mit verteilter korrektur

Country Status (12)

Country Link
US (1) US6335767B1 (de)
EP (1) EP1181771B1 (de)
JP (1) JP4723726B2 (de)
KR (1) KR100635518B1 (de)
CN (1) CN1211917C (de)
AT (1) ATE252783T1 (de)
AU (1) AU4842700A (de)
CA (1) CA2373778A1 (de)
DE (1) DE60006102T2 (de)
HK (1) HK1046336A1 (de)
TW (1) TW484320B (de)
WO (1) WO2000070749A1 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6501805B1 (en) * 1999-05-14 2002-12-31 Harris Corporation Broadcast transmission system with single correction filter for correcting linear and non-linear distortion
US6242978B1 (en) * 1999-06-30 2001-06-05 Harris Corporation Method and apparatus for linearizing an amplifier
US6639537B1 (en) * 2000-03-31 2003-10-28 Massachusetts Institute Of Technology Highly linear analog-to-digital conversion system and method thereof
US6600516B1 (en) * 2000-04-21 2003-07-29 Harris Corporation Digital RF transmitter system employing both digital pre-correction and analog pre-correction
KR100448115B1 (ko) * 2000-11-30 2004-09-10 현대자동차주식회사 폴리아미드 수지 조성물
KR100360273B1 (ko) * 2000-12-28 2002-11-09 엘지전자 주식회사 디지탈 티브이 중계기의 선형보상 적응 등화기 및 그의제어방법
CA2383717A1 (en) * 2001-06-28 2002-12-28 Telecommunications Research Laboratories An optical fiber based on wireless scheme for wideband multimedia access
US20030058959A1 (en) * 2001-09-25 2003-03-27 Caly Networks. Combined digital adaptive pre-distorter and pre-equalizer system for modems in link hopping radio networks
US20030063663A1 (en) * 2001-10-01 2003-04-03 Bryant Paul Henry Multistage equalizer that corrects for linear and nonlinear distortion in a digitally-modulated signal
US6801086B1 (en) 2002-04-03 2004-10-05 Andrew Corporation Adaptive digital pre-distortion using amplifier model that incorporates frequency-dependent non-linearities
US7991071B2 (en) * 2002-05-16 2011-08-02 Rf Micro Devices, Inc. AM to PM correction system for polar modulator
US7801244B2 (en) * 2002-05-16 2010-09-21 Rf Micro Devices, Inc. Am to AM correction system for polar modulator
JP2004040564A (ja) * 2002-07-04 2004-02-05 Fujitsu Ltd 電力増幅器の歪補償方法及びその装置
JP4063612B2 (ja) * 2002-08-26 2008-03-19 株式会社エヌ・ティ・ティ・ドコモ 送信機
AU2003301967A1 (en) * 2002-10-08 2004-06-03 M/A-Com, Inc. Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal
US7340007B2 (en) * 2003-09-16 2008-03-04 M/A-Com, Inc. Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal
US6816008B2 (en) * 2002-12-31 2004-11-09 Alion Science And Technology Corporation Quasi-linear multi-state digital modulation through non-linear amplifier arrays
KR100540171B1 (ko) * 2003-05-20 2006-01-10 한국전자통신연구원 지상파 디지털 텔레비젼 방송신호를 위한 동일채널중계장치 및 그 방법
US7027780B2 (en) * 2003-09-30 2006-04-11 Broadcom Corporation Technique for improving modulation performance of translational loop RF transmitters
US7313208B2 (en) * 2003-11-03 2007-12-25 Zenith Electronics Corporation Pre-equalization for low-cost DTV translators
BRPI0507137A (pt) * 2004-01-27 2007-06-19 Crestcom Inc circuito de pré-distorção de transmissor e método para isto
US7430248B2 (en) * 2004-01-27 2008-09-30 Crestcom, Inc. Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter
US7469491B2 (en) 2004-01-27 2008-12-30 Crestcom, Inc. Transmitter predistortion circuit and method therefor
US7099399B2 (en) * 2004-01-27 2006-08-29 Crestcom, Inc. Distortion-managed digital RF communications transmitter and method therefor
US7551686B1 (en) 2004-06-23 2009-06-23 Rf Micro Devices, Inc. Multiple polynomial digital predistortion
US7529523B1 (en) 2004-08-23 2009-05-05 Rf Micro Devices, Inc. N-th order curve fit for power calibration in a mobile terminal
EP1662655A1 (de) * 2004-11-26 2006-05-31 Alcatel Leistungsverstärker mit digitaler Linearisierungseinheit
DE102005020318B4 (de) * 2005-05-02 2007-02-22 Infineon Technologies Ag Verfahren zum Ermitteln eines Modells für ein elektrisches Netzwerk und Verwendung des Verfahrens
US8224265B1 (en) 2005-06-13 2012-07-17 Rf Micro Devices, Inc. Method for optimizing AM/AM and AM/PM predistortion in a mobile terminal
US7877060B1 (en) 2006-02-06 2011-01-25 Rf Micro Devices, Inc. Fast calibration of AM/PM pre-distortion
ATE397325T1 (de) * 2006-02-06 2008-06-15 Alcatel Lucent Modulare mehrband, multi-standard transceiverschaltung für mobil- und basisstationen von funkkommunikationssystemen
US7962108B1 (en) 2006-03-29 2011-06-14 Rf Micro Devices, Inc. Adaptive AM/PM compensation
US7782978B2 (en) * 2006-04-13 2010-08-24 Harris Corporation Phase correction of a constant envelope signal without introducing amplitude modulation
US7606539B2 (en) * 2006-08-07 2009-10-20 Infineon Technologies Ag Adaptive predistorter coupled to a nonlinear element
US7689182B1 (en) 2006-10-12 2010-03-30 Rf Micro Devices, Inc. Temperature compensated bias for AM/PM improvement
US7724840B2 (en) * 2006-12-19 2010-05-25 Crestcom, Inc. RF transmitter with predistortion and method therefor
US8009762B1 (en) 2007-04-17 2011-08-30 Rf Micro Devices, Inc. Method for calibrating a phase distortion compensated polar modulated radio frequency transmitter
US20080285640A1 (en) * 2007-05-15 2008-11-20 Crestcom, Inc. RF Transmitter With Nonlinear Predistortion and Method Therefor
WO2009012537A1 (en) * 2007-07-20 2009-01-29 Eqcologic Nv Equalizer filter with mismatch tolerant detection mechanism for lower and higher frequency gain loops
US8195118B2 (en) 2008-07-15 2012-06-05 Linear Signal, Inc. Apparatus, system, and method for integrated phase shifting and amplitude control of phased array signals
JP5105309B2 (ja) * 2008-07-15 2012-12-26 日本電気株式会社 電力増幅器、電力増幅器の非線形歪補正方法、無線通信装置
DE102008046689B4 (de) 2008-09-10 2014-01-02 Tesat-Spacecom Gmbh & Co.Kg Vorverzerrungslinearisierer
US8489042B1 (en) 2009-10-08 2013-07-16 Rf Micro Devices, Inc. Polar feedback linearization
US8872719B2 (en) 2009-11-09 2014-10-28 Linear Signal, Inc. Apparatus, system, and method for integrated modular phased array tile configuration
US8953711B2 (en) 2013-06-04 2015-02-10 Qualcomm Incorporated Configurable pre-emphasis component for transmission circuitry
JP6646382B2 (ja) * 2015-08-25 2020-02-14 日本放送協会 デジタル信号の送信装置
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541058B1 (fr) * 1983-02-11 1986-01-24 Thomson Csf Dispositif de linearisation d'amplificateur haute frequence a coefficients de non-linearite complexes
DE3614785A1 (de) * 1986-05-02 1988-01-21 Rohde & Schwarz Hilfssystem zur entzerrung frequenzabhaengiger nichtlinearer systeme insbesondere verstaerker
JPH05122087A (ja) * 1991-10-28 1993-05-18 Toshiba Corp 無線送信機
JP2964883B2 (ja) * 1994-09-30 1999-10-18 日本電気株式会社 送信器
US5732333A (en) * 1996-02-14 1998-03-24 Glenayre Electronics, Inc. Linear transmitter using predistortion
JPH10322137A (ja) * 1997-05-20 1998-12-04 Matsushita Electric Ind Co Ltd プリディストーション型歪補償回路付送信装置
US6081158A (en) * 1997-06-30 2000-06-27 Harris Corporation Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system
EP0891041B1 (de) * 1997-07-08 2004-03-03 Siemens Aktiengesellschaft Sendeeinrichtung
US6285412B1 (en) * 1997-07-23 2001-09-04 Harris Corporation Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system
US6054895A (en) * 1997-08-27 2000-04-25 Harris Corporation Apparatus and method for pre-distortion correction of a power amplifier stage
US6054825A (en) * 1998-01-20 2000-04-25 Motorola, Inc. Method and apparatus for high voltage generation

Also Published As

Publication number Publication date
EP1181771A1 (de) 2002-02-27
WO2000070749A1 (en) 2000-11-23
KR20020095021A (ko) 2002-12-20
AU4842700A (en) 2000-12-05
EP1181771B1 (de) 2003-10-22
TW484320B (en) 2002-04-21
WO2000070749A8 (en) 2001-05-03
CA2373778A1 (en) 2000-11-23
CN1211917C (zh) 2005-07-20
JP2003500875A (ja) 2003-01-07
DE60006102D1 (de) 2003-11-27
US6335767B1 (en) 2002-01-01
CN1355954A (zh) 2002-06-26
KR100635518B1 (ko) 2006-10-18
DE60006102T2 (de) 2004-07-08
JP4723726B2 (ja) 2011-07-13
HK1046336A1 (zh) 2003-01-03

Similar Documents

Publication Publication Date Title
ATE252783T1 (de) Rundfunkübertragungssystem mit verteilter korrektur
ATE231304T1 (de) Rundfunkübertragungssystem mit verteilter korrektur
CA1191215A (en) Active predistorter for linearity compensation
MY122083A (en) Echo canceler for non-linear circuits
NO177479C (no) Forvrengningslinearisator for mikrobölge-effektforsterkere
TR199801987T2 (xx) �ok par�al� emici �r�nlerin montajlanmas� i�in y�ntem.
EP1282224A4 (de) Vorrichtung zur kompensation von verzerrungen
WO2002019564A3 (en) Method and apparatus for plurality signal generation
SE9202381D0 (sv) Anordning och foerfarande foer korrigering av offsetlikspaenning i en mottagare
EP0772310A3 (de) Funksender für Wiederübertragung von OFDM-Signalen
EP0448951A3 (en) Low-noise amplifier with high input impedance, particularly for microphones
AU1519201A (en) Linearisation of an amplifier
GB1519254A (en) Non-linearty product generator and non-linearity precorrector
SE9704284L (sv) En förstärkare och ett förfarande i effektförstärkaren
CA2315848A1 (en) Method and apparatus for an automatic predistortion system
IT8920610A0 (it) Amplificatore ad alto guadagno con basso rumore e bassa dissipazione di potenza, impiegante transistori ad effetto di campo.
ES2124858T3 (es) Cadena de transmision apta para equipar la etapa de emision de un terminal asociado a una instalacion de radiotelefonia digital.
GB2371694A (en) Method and apparatus for controlling compensated buffers
JPS5345155A (en) Push-pull amplifier
JPS54152815A (en) Simultaneous amplifying system for multi-channel signal
JP2003032219A (ja) Ｏｆｄｍ高能率増幅装置
JPS53145517A (en) Video amplifier circuit
DE58908385D1 (de) Elektrodynamischer Lautsprecher.
KR970055651A (ko) 피드포워드 방식의 선형화회로
SU1356243A1 (ru) Стационарное приемное устройство дл индуктивной системы св зи

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties