SE9704859D0 - Metod och anordning för fasreglering - Google Patents

Metod och anordning för fasreglering

Info

Publication number
SE9704859D0
SE9704859D0 SE9704859A SE9704859A SE9704859D0 SE 9704859 D0 SE9704859 D0 SE 9704859D0 SE 9704859 A SE9704859 A SE 9704859A SE 9704859 A SE9704859 A SE 9704859A SE 9704859 D0 SE9704859 D0 SE 9704859D0
Authority
SE
Sweden
Prior art keywords
signal
phase shifter
information
phase
modulation position
Prior art date
Application number
SE9704859A
Other languages
English (en)
Other versions
SE511323C2 (sv
SE9704859L (sv
Inventor
Johan Bergman
Robert Hedstroem
Per Loefving
Thorsten Kraus
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9704859A priority Critical patent/SE511323C2/sv
Publication of SE9704859D0 publication Critical patent/SE9704859D0/sv
Priority to PCT/SE1998/002416 priority patent/WO1999033169A2/en
Priority to US09/218,618 priority patent/US6336032B1/en
Priority to AU19932/99A priority patent/AU1993299A/en
Publication of SE9704859L publication Critical patent/SE9704859L/sv
Publication of SE511323C2 publication Critical patent/SE511323C2/sv

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
    • H03F1/32—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
    • 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

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplifiers (AREA)
SE9704859A 1997-12-23 1997-12-23 Metod och anordning för fasreglering SE511323C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9704859A SE511323C2 (sv) 1997-12-23 1997-12-23 Metod och anordning för fasreglering
PCT/SE1998/002416 WO1999033169A2 (en) 1997-12-23 1998-12-22 Method and device for phase regulation
US09/218,618 US6336032B1 (en) 1997-12-23 1998-12-22 Method and device for phase regulation
AU19932/99A AU1993299A (en) 1997-12-23 1998-12-22 Method and device for phase regulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9704859A SE511323C2 (sv) 1997-12-23 1997-12-23 Metod och anordning för fasreglering

Publications (3)

Publication Number Publication Date
SE9704859D0 true SE9704859D0 (sv) 1997-12-23
SE9704859L SE9704859L (sv) 1999-06-24
SE511323C2 SE511323C2 (sv) 1999-09-13

Family

ID=20409561

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9704859A SE511323C2 (sv) 1997-12-23 1997-12-23 Metod och anordning för fasreglering

Country Status (4)

Country Link
US (1) US6336032B1 (sv)
AU (1) AU1993299A (sv)
SE (1) SE511323C2 (sv)
WO (1) WO1999033169A2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018166575A1 (en) 2017-03-13 2018-09-20 Telefonaktiebolaget Lm Ericsson (Publ) Self-calibration of antenna array system
US11411624B2 (en) * 2018-09-28 2022-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for correction of beam direction due to self-coupling

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261056A (en) * 1979-07-16 1981-04-07 Bell Telephone Laboratories, Incorporated Equalizing signal combiner
JPH03198512A (ja) * 1989-12-27 1991-08-29 Mitsubishi Electric Corp 高周波増幅器
GB9002789D0 (en) * 1990-02-08 1990-04-04 Marconi Co Ltd Circuit for reducing distortion produced by an r.f.power amplifier
US5222246A (en) * 1990-11-02 1993-06-22 General Electric Company Parallel amplifiers with combining phase controlled from combiner difference port
US5175879A (en) * 1991-04-25 1992-12-29 Motorola, Inc. Linear amplifier with feedback path and phase error compensation
JPH0638731A (ja) 1992-03-11 1994-02-15 W R Grace & Co 細胞培養用基材およびその製造方法
GB2272133B (en) 1992-11-02 1996-06-12 Motorola Inc Radio system
US5426641A (en) * 1994-01-28 1995-06-20 Bell Communications Research, Inc. Adaptive class AB amplifier for TDMA wireless communications systems
KR100393317B1 (ko) * 1994-02-15 2003-10-23 람버스 인코포레이티드 지연동기루프
JP3392945B2 (ja) 1994-06-20 2003-03-31 株式会社日立国際電気 フィードフォワード増幅器
US5644268A (en) 1995-01-06 1997-07-01 Spectrian, Inc. Feed forward RF amplifier for combined signal and error amplification
JP3169803B2 (ja) * 1995-08-28 2001-05-28 株式会社日立国際電気 電力増幅器の非線形補償回路
JPH09116474A (ja) 1995-10-13 1997-05-02 Sony Corp 無線通信装置
US5742201A (en) * 1996-01-30 1998-04-21 Spectrian Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier

Also Published As

Publication number Publication date
AU1993299A (en) 1999-07-12
WO1999033169A3 (en) 1999-09-10
WO1999033169A2 (en) 1999-07-01
SE511323C2 (sv) 1999-09-13
US6336032B1 (en) 2002-01-01
SE9704859L (sv) 1999-06-24

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Legal Events

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