FI982739A - Lähettimen linearisointi - Google Patents

Lähettimen linearisointi Download PDF

Info

Publication number
FI982739A
FI982739A FI982739A FI982739A FI982739A FI 982739 A FI982739 A FI 982739A FI 982739 A FI982739 A FI 982739A FI 982739 A FI982739 A FI 982739A FI 982739 A FI982739 A FI 982739A
Authority
FI
Finland
Prior art keywords
transmitter linearization
linearization
transmitter
Prior art date
Application number
FI982739A
Other languages
English (en)
Swedish (sv)
Other versions
FI982739A0 (fi
Inventor
Mikko Huttunen
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
Priority to FI982739A priority Critical patent/FI982739A/fi
Publication of FI982739A0 publication Critical patent/FI982739A0/fi
Priority to AU19859/00A priority patent/AU1985900A/en
Priority to PCT/FI1999/001050 priority patent/WO2000036799A2/en
Publication of FI982739A publication Critical patent/FI982739A/fi

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)
FI982739A 1998-12-17 1998-12-17 Lähettimen linearisointi FI982739A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI982739A FI982739A (fi) 1998-12-17 1998-12-17 Lähettimen linearisointi
AU19859/00A AU1985900A (en) 1998-12-17 1999-12-16 Transmitter linearization
PCT/FI1999/001050 WO2000036799A2 (en) 1998-12-17 1999-12-16 Transmitter linearization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI982739A FI982739A (fi) 1998-12-17 1998-12-17 Lähettimen linearisointi

Publications (2)

Publication Number Publication Date
FI982739A0 FI982739A0 (fi) 1998-12-17
FI982739A true FI982739A (fi) 2000-06-18

Family

ID=8553143

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982739A FI982739A (fi) 1998-12-17 1998-12-17 Lähettimen linearisointi

Country Status (3)

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

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 (ja) * 1989-12-27 1995-07-31 三菱電機株式会社 変調装置
IT1265271B1 (it) * 1993-12-14 1996-10-31 Alcatel Italia Sistema di predistorsione in banda base per la linearizzazione adattativa di amplificatori di potenza
JP2967699B2 (ja) * 1995-03-06 1999-10-25 日本電気株式会社 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

Also Published As

Publication number Publication date
FI982739A0 (fi) 1998-12-17
WO2000036799A3 (en) 2000-09-14
WO2000036799A2 (en) 2000-06-22
AU1985900A (en) 2000-07-03

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