AU1985900A - Transmitter linearization - Google Patents

Transmitter linearization

Info

Publication number
AU1985900A
AU1985900A AU19859/00A AU1985900A AU1985900A AU 1985900 A AU1985900 A AU 1985900A AU 19859/00 A AU19859/00 A AU 19859/00A AU 1985900 A AU1985900 A AU 1985900A AU 1985900 A AU1985900 A AU 1985900A
Authority
AU
Australia
Prior art keywords
transmitter linearization
linearization
transmitter
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.)
Abandoned
Application number
AU19859/00A
Inventor
Mikko Huttunen
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.)
Nokia Oyj
Original Assignee
Nokia Networks Oy
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 Nokia Networks Oy filed Critical Nokia Networks Oy
Publication of AU1985900A publication Critical patent/AU1985900A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
AU19859/00A 1998-12-17 1999-12-16 Transmitter linearization Abandoned AU1985900A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI982739 1998-12-17
FI982739A FI982739A (en) 1998-12-17 1998-12-17 Transmitter linearization
PCT/FI1999/001050 WO2000036799A2 (en) 1998-12-17 1999-12-16 Transmitter linearization

Publications (1)

Publication Number Publication Date
AU1985900A true AU1985900A (en) 2000-07-03

Family

ID=8553143

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19859/00A Abandoned AU1985900A (en) 1998-12-17 1999-12-16 Transmitter linearization

Country Status (3)

Country Link
AU (1) AU1985900A (en)
FI (1) FI982739A (en)
WO (1) WO2000036799A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2377837A (en) * 2001-07-20 2003-01-22 Univ Bristol Mixer linearisation using frequency retranslation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0771118B2 (en) * 1989-12-27 1995-07-31 三菱電機株式会社 Modulator
IT1265271B1 (en) * 1993-12-14 1996-10-31 Alcatel Italia BASEBAND PREDISTRITORTION SYSTEM FOR THE ADAPTIVE LINEARIZATION OF POWER AMPLIFIERS
JP2967699B2 (en) * 1995-03-06 1999-10-25 日本電気株式会社 Transmission device
US6081158A (en) * 1997-06-30 2000-06-27 Harris Corporation Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system

Also Published As

Publication number Publication date
FI982739A (en) 2000-06-18
FI982739A0 (en) 1998-12-17
WO2000036799A3 (en) 2000-09-14
WO2000036799A2 (en) 2000-06-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase