DE69831874D1 - Verfahren und vorrichtung in einem telkommunikationssystem - Google Patents

Verfahren und vorrichtung in einem telkommunikationssystem

Info

Publication number
DE69831874D1
DE69831874D1 DE69831874T DE69831874T DE69831874D1 DE 69831874 D1 DE69831874 D1 DE 69831874D1 DE 69831874 T DE69831874 T DE 69831874T DE 69831874 T DE69831874 T DE 69831874T DE 69831874 D1 DE69831874 D1 DE 69831874D1
Authority
DE
Germany
Prior art keywords
telecommunication system
telecommunication
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
DE69831874T
Other languages
English (en)
Other versions
DE69831874T2 (de
Inventor
Allen Leyonhjelm
Mark Briffa
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69831874D1 publication Critical patent/DE69831874D1/de
Publication of DE69831874T2 publication Critical patent/DE69831874T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H03D7/168—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages using a feedback loop containing mixers or demodulators
    • 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
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
    • 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
    • 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
    • H03F1/3282—Acting on the phase and the amplitude of 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3294—Acting on the real and imaginary components of 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/345—Negative-feedback-circuit arrangements with or without positive feedback using hybrid or directional couplers
    • 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
    • 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
    • H03F2201/3231—Adaptive predistortion using phase feedback from the output of the main amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplifiers (AREA)
  • Feedback Control In General (AREA)
  • Control Of Temperature (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Centrifugal Separators (AREA)
  • Control Of Ac Motors In General (AREA)
DE69831874T 1997-11-03 1998-11-03 Verfahren und vorrichtung in einem telkommunikationssystem Expired - Lifetime DE69831874T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9704011A SE512623C2 (sv) 1997-11-03 1997-11-03 Förfarande och anordning i ett telekommunikationsproblem
SE9704011 1997-11-03
PCT/SE1998/001991 WO1999023756A1 (en) 1997-11-03 1998-11-03 Method and device in a telecommunication system

Publications (2)

Publication Number Publication Date
DE69831874D1 true DE69831874D1 (de) 2006-02-23
DE69831874T2 DE69831874T2 (de) 2006-07-27

Family

ID=20408840

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69831874T Expired - Lifetime DE69831874T2 (de) 1997-11-03 1998-11-03 Verfahren und vorrichtung in einem telkommunikationssystem

Country Status (12)

Country Link
US (1) US6351677B1 (de)
EP (1) EP1027769B1 (de)
JP (1) JP4016372B2 (de)
KR (1) KR100665455B1 (de)
CN (1) CN1168201C (de)
AR (1) AR017547A1 (de)
AU (1) AU749268B2 (de)
DE (1) DE69831874T2 (de)
EE (1) EE04573B1 (de)
SE (1) SE512623C2 (de)
TW (1) TW427054B (de)
WO (1) WO1999023756A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2352570B (en) * 1999-07-28 2003-12-24 Wireless Systems Int Ltd Distortion reduction
SE519596C2 (sv) 1999-10-29 2003-03-18 Ericsson Telefon Ab L M Metod och apparat för att styra fasen i en lineariserad elektronisk förstärkare
JP2002009557A (ja) * 2000-06-21 2002-01-11 Matsushita Electric Ind Co Ltd 線形補償増幅装置
US6934341B2 (en) 2000-08-29 2005-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for plurality signal generation
US7236757B2 (en) * 2001-07-11 2007-06-26 Vativ Technologies, Inc. High-speed multi-channel communications transceiver with inter-channel interference filter
US20030112896A1 (en) * 2001-07-11 2003-06-19 Raghavan Sreen A. Multi-channel communications transceiver
US7295623B2 (en) * 2001-07-11 2007-11-13 Vativ Technologies, Inc. High-speed communications transceiver
EP1361655A1 (de) * 2002-05-07 2003-11-12 Semiconductor Ideas to The Market (ItoM) BV Spiegelunterdrückungsschaltung in einem quadratur-demodulator
US7010278B2 (en) * 2002-10-25 2006-03-07 Freescale Semiconductor, Inc. Sideband suppression method and apparatus for quadrature modulator using magnitude measurements
NZ524630A (en) * 2003-03-07 2005-10-28 Tait Electronics Ltd Phase & envelope generation in an EER system
DE10316559A1 (de) * 2003-04-10 2004-11-18 Rohde & Schwarz Ftk Gmbh Rückkopplungslinearisierte Sendereinrichtung
US7388904B2 (en) * 2003-06-03 2008-06-17 Vativ Technologies, Inc. Near-end, far-end and echo cancellers in a multi-channel transceiver system
US20050200408A1 (en) * 2004-03-15 2005-09-15 Benjamin James A. Method and apparatus for feed forward linearization of wideband RF amplifiers
US7382834B2 (en) * 2004-05-06 2008-06-03 Beceem Communications Inc. Phase rotation estimation
US7113037B2 (en) * 2004-07-14 2006-09-26 Raytheon Company Performing remote power amplifier linearization
DE102005002207A1 (de) * 2004-11-26 2006-06-01 Rohde & Schwarz Gmbh & Co. Kg Verfahren und System zur Ermittlung der Amplitude und/oder Phase des Ausgangssignals eines Übertragungsgliedes in Abhängigkeit der Amplitude des Eingangsignals
DE102005037880A1 (de) * 2005-05-19 2006-11-23 Rohde & Schwarz Gmbh & Co. Kg Verfahren und System zur Ermittlung der Amplitude und/oder Phase des Ausgangssignals eines Übertragungsgliedes in Abhängigkeit der Amplitude des Eingangssignals
JP4299819B2 (ja) 2005-08-17 2009-07-22 富士通株式会社 歪補償装置及び歪補償方法
US20070160168A1 (en) 2006-01-11 2007-07-12 Beukema Troy J Apparatus and method for signal phase control in an integrated radio circuit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4885551A (en) * 1988-10-31 1989-12-05 American Telephone And Telegraph Company At&T Bell Laboratories Feed forward linear amplifier
US4943783A (en) * 1989-07-31 1990-07-24 Nippon Telegraph And Telephone Corporation Feed forward distortion correction circuit
GB2238197A (en) 1989-11-16 1991-05-22 Motorola Inc Feed-forward amplifier with amplitude and phase pre-correction
US5134718A (en) 1990-10-31 1992-07-28 Motorola, Inc. Fast phase shift adjusting method and device for linear transmitter
GB9209982D0 (en) * 1992-05-08 1992-06-24 British Tech Group Method and apparatus for amplifying modulating and demodulating
SE470455B (sv) * 1992-08-24 1994-04-11 Ericsson Telefon Ab L M Anordning för kompensering av fasvridningen i återkopplingsslingan vid en kartesiskt återkopplad effektförstärkare
US5420536A (en) 1993-03-16 1995-05-30 Victoria University Of Technology Linearized power amplifier
GB9320078D0 (en) 1993-09-29 1993-11-17 Linear Modulation Tech Cartesian amplifier power control and related applications
GB2293935B (en) 1994-10-03 1999-07-14 Linear Modulation Tech Automatic calibration of carrier suppression and loop phase in a cartesian amplifier
JP2967699B2 (ja) * 1995-03-06 1999-10-25 日本電気株式会社 送信装置
US5650758A (en) * 1995-11-28 1997-07-22 Radio Frequency Systems, Inc. Pipelined digital predistorter for a wideband amplifier
US5862460A (en) * 1996-09-13 1999-01-19 Motorola, Inc. Power control circuit for a radio frequency transmitter

Also Published As

Publication number Publication date
JP2001522188A (ja) 2001-11-13
US6351677B1 (en) 2002-02-26
SE9704011D0 (sv) 1997-11-03
KR100665455B1 (ko) 2007-01-04
SE9704011L (sv) 1999-05-04
DE69831874T2 (de) 2006-07-27
EP1027769B1 (de) 2005-10-12
CN1285974A (zh) 2001-02-28
EP1027769A1 (de) 2000-08-16
CN1168201C (zh) 2004-09-22
TW427054B (en) 2001-03-21
WO1999023756A1 (en) 1999-05-14
JP4016372B2 (ja) 2007-12-05
AU1058399A (en) 1999-05-24
EE04573B1 (et) 2005-12-15
AR017547A1 (es) 2001-09-12
EE200000280A (et) 2001-08-15
SE512623C2 (sv) 2000-04-10
KR20010031746A (ko) 2001-04-16
AU749268B2 (en) 2002-06-20

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Legal Events

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8364 No opposition during term of opposition