EE03364B1 - Seade ja meetod raadioedastusseadmete jaoks - Google Patents

Seade ja meetod raadioedastusseadmete jaoks

Info

Publication number
EE03364B1
EE03364B1 EE9800450A EE9800450A EE03364B1 EE 03364 B1 EE03364 B1 EE 03364B1 EE 9800450 A EE9800450 A EE 9800450A EE 9800450 A EE9800450 A EE 9800450A EE 03364 B1 EE03364 B1 EE 03364B1
Authority
EE
Estonia
Prior art keywords
radio transmission
transmission equipment
equipment
radio
transmission
Prior art date
Application number
EE9800450A
Other languages
English (en)
Estonian (et)
Inventor
John Carlsson Torsten
Leif Hellmark Martin
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE03364B1 publication Critical patent/EE03364B1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
EE9800450A 1996-06-28 1997-06-04 Seade ja meetod raadioedastusseadmete jaoks EE03364B1 (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9602584A SE506842C2 (sv) 1996-06-28 1996-06-28 Anordning och förfarande vid radiosändare för styrning av effektförstärkare
PCT/SE1997/000982 WO1998000929A1 (en) 1996-06-28 1997-06-04 Device and method for radio transmitters

Publications (1)

Publication Number Publication Date
EE03364B1 true EE03364B1 (et) 2001-02-15

Family

ID=20403218

Family Applications (1)

Application Number Title Priority Date Filing Date
EE9800450A EE03364B1 (et) 1996-06-28 1997-06-04 Seade ja meetod raadioedastusseadmete jaoks

Country Status (14)

Country Link
US (1) US6047168A (de)
EP (1) EP0901721B1 (de)
JP (1) JP4203968B2 (de)
CN (1) CN1111975C (de)
AU (1) AU724097B2 (de)
BR (1) BR9710044B1 (de)
DE (1) DE69736469T2 (de)
EE (1) EE03364B1 (de)
ES (1) ES2270464T3 (de)
HK (1) HK1019272A1 (de)
MY (1) MY119218A (de)
PL (1) PL183774B1 (de)
SE (1) SE506842C2 (de)
WO (1) WO1998000929A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1155131A (ja) * 1997-08-06 1999-02-26 Nec Corp 無線送信電力制御装置
US6430402B1 (en) * 1998-09-14 2002-08-06 Conexant Systems, Inc. Power amplifier saturation prevention method, apparatus, and communication system incorporating the same
US6377784B2 (en) 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier
US6864668B1 (en) 1999-02-09 2005-03-08 Tropian, Inc. High-efficiency amplifier output level and burst control
EP1087536B1 (de) * 1999-04-02 2004-02-04 Mitsubishi Denki Kabushiki Kaisha Mobiles kommunikationsendgerät
DE19916902B4 (de) * 1999-04-14 2015-08-20 Siemens Aktiengesellschaft Verstärkereinrichtung mit veränderbarer Arbeitspunkteinstellung sowie Verwendung der Verstärkereinrichtung
US6285255B1 (en) * 1999-11-02 2001-09-04 Harris Corporation Adaptive compensation for carrier signal phase distortion
US6366177B1 (en) 2000-02-02 2002-04-02 Tropian Inc. High-efficiency power modulators
US6630867B2 (en) 2000-02-24 2003-10-07 Skyworks Solutions, Inc. Power amplifier with provisions for varying operating voltage based upon power amplifier output power
US6684064B2 (en) * 2000-03-29 2004-01-27 Interdigital Technology Corp. Dynamic bias for RF power amplifiers
US6707857B1 (en) * 2000-07-14 2004-03-16 Ericsson Inc. Reference signal pre-distortion for transmitter with frequency synthesizer based phase encoding
US6670849B1 (en) * 2000-08-30 2003-12-30 Skyworks Solutions, Inc. System for closed loop power control using a linear or a non-linear power amplifier
DE10056472A1 (de) * 2000-11-15 2002-05-29 Infineon Technologies Ag Polar-Loop-Sendeschaltung
US7020070B2 (en) * 2001-04-10 2006-03-28 Telefonaktiebolaget L M Ericsson (Publ) Selectively controlled modulation distortion of an IQ-baseband signal
DE60138604D1 (de) * 2001-05-31 2009-06-18 Thomson Licensing Audioverstärker mit Begrenzung der Ausgangsleistung
US7138863B2 (en) * 2001-06-22 2006-11-21 Telefonaktiebolaget Lm Ericsson (Publ) Gain control of a power amplifier
US6828859B2 (en) * 2001-08-17 2004-12-07 Silicon Laboratories, Inc. Method and apparatus for protecting devices in an RF power amplifier
US6956907B2 (en) * 2001-10-15 2005-10-18 Qualcomm, Incorporated Method and apparatus for determining power allocation in a MIMO communication system
US7088968B2 (en) * 2001-12-12 2006-08-08 Intel Corporation Method and polar-loop transmitter with origin offset for zero-crossing signals
US6566944B1 (en) * 2002-02-21 2003-05-20 Ericsson Inc. Current modulator with dynamic amplifier impedance compensation
US7340265B2 (en) 2002-02-28 2008-03-04 Atheros Communications, Inc. Method and apparatus for transient frequency distortion compensation
EP1367842A1 (de) 2002-05-29 2003-12-03 Siemens Aktiengesellschaft Schaltungsanordnung zum Umschalten eines Mobilfunksenders zwischen zwei Modulationsbetriebsarten
US7071783B2 (en) * 2002-07-19 2006-07-04 Micro Mobio Corporation Temperature-compensated power sensing circuit for power amplifiers
US6931267B2 (en) * 2002-11-25 2005-08-16 Broadcom Corporation Bias filtering module including MOS capacitors
US6894565B1 (en) * 2002-12-03 2005-05-17 Silicon Laboratories, Inc. Fast settling power amplifier regulator
US6859098B2 (en) * 2003-01-17 2005-02-22 M/A-Com, Inc. Apparatus, methods and articles of manufacture for control in an electromagnetic processor
US6897730B2 (en) * 2003-03-04 2005-05-24 Silicon Laboratories Inc. Method and apparatus for controlling the output power of a power amplifier
US7076698B2 (en) * 2003-05-21 2006-07-11 Agere Systems, Inc. Vector monitor, related method of controlling a transmitter and transmitter employing the same
US7110724B1 (en) * 2004-12-16 2006-09-19 Rf Micro Devices, Inc. System and method for detecting compression of a power amplifier circuit
JP4623507B2 (ja) * 2005-04-18 2011-02-02 ルネサスエレクトロニクス株式会社 通信用半導体集積回路および携帯通信端末
US7412215B1 (en) * 2005-06-03 2008-08-12 Rf Micro Devices, Inc. System and method for transitioning from one PLL feedback source to another
US7539462B2 (en) * 2005-08-09 2009-05-26 Freescale Semiconductor, Inc. Configurable multi-mode modulation system and transmitter
JP5106421B2 (ja) * 2006-12-27 2012-12-26 パナソニック株式会社 ポーラ変調送信装置
US8463189B2 (en) * 2007-07-31 2013-06-11 Texas Instruments Incorporated Predistortion calibration and built in self testing of a radio frequency power amplifier using subharmonic mixing
EP2555421B1 (de) 2010-05-06 2018-01-10 Huawei Technologies Co., Ltd. Verfahren, vorrichtung und system zur signalpolarisierung
WO2013119587A1 (en) 2012-02-09 2013-08-15 Skyworks Solutions, Inc. Apparatus and methods for envelope tracking
US10270394B2 (en) 2015-12-30 2019-04-23 Skyworks Solutions, Inc. Automated envelope tracking system
CN108733852A (zh) * 2017-04-17 2018-11-02 天津大学（青岛）海洋工程研究院有限公司 一种基于极限学习机的功率放大器行为建模方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367443A (en) * 1980-01-17 1983-01-04 Motorola, Inc. Radio frequency signal power amplifier
US4521912A (en) * 1983-06-09 1985-06-04 General Electric Company Low power indicating circuit for a radio transmitter
JPH0644716B2 (ja) * 1984-08-14 1994-06-08 日本電気株式会社 無線通信装置
FI81931C (fi) * 1989-05-12 1990-12-10 Nokia Mobira Oy Foerfarande foer alstring av laoga effektnivaoer i saendaren av en radiotelefon.
FI85316C (fi) * 1989-05-12 1992-03-25 Nokia Mobira Oy Koppling foer utvidgning av effektomraodet hos en saendare.
US5129098A (en) * 1990-09-24 1992-07-07 Novatel Communication Ltd. Radio telephone using received signal strength in controlling transmission power
US5307512A (en) * 1991-06-03 1994-04-26 Motorola, Inc. Power control circuitry for achieving wide dynamic range in a transmitter
CA2127189A1 (en) * 1993-08-06 1995-02-07 James John Crnkovic Apparatus and method for attenuating an undesired signal in a radio transceiver
JPH07212257A (ja) * 1994-01-21 1995-08-11 Uniden Corp 送信機の異常送信停止回路
US5430416A (en) * 1994-02-23 1995-07-04 Motorola Power amplifier having nested amplitude modulation controller and phase modulation controller
US5452473A (en) * 1994-02-28 1995-09-19 Qualcomm Incorporated Reverse link, transmit power correction and limitation in a radiotelephone system
EP0720287B1 (de) * 1994-12-29 2003-01-15 AT&T Corp. Leistungsverstärker mit grosser Dynamik
US5880635A (en) * 1997-04-16 1999-03-09 Sony Corporation Apparatus for optimizing the performance of a power amplifier

Also Published As

Publication number Publication date
BR9710044B1 (pt) 2010-02-23
SE9602584L (sv) 1997-12-29
DE69736469D1 (de) 2006-09-21
JP2000514963A (ja) 2000-11-07
SE9602584D0 (sv) 1996-06-28
AU3365297A (en) 1998-01-21
MY119218A (en) 2005-04-30
US6047168A (en) 2000-04-04
SE506842C2 (sv) 1998-02-16
CN1223759A (zh) 1999-07-21
PL330732A1 (en) 1999-05-24
WO1998000929A1 (en) 1998-01-08
EP0901721A1 (de) 1999-03-17
AU724097B2 (en) 2000-09-14
HK1019272A1 (en) 2000-01-28
PL183774B1 (pl) 2002-07-31
BR9710044A (pt) 1999-08-10
DE69736469T2 (de) 2007-01-04
ES2270464T3 (es) 2007-04-01
EP0901721B1 (de) 2006-08-09
JP4203968B2 (ja) 2009-01-07
CN1111975C (zh) 2003-06-18

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KB4A Valid patent at the end of a year

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Effective date: 20091231

KB4A Valid patent at the end of a year

Effective date: 20101231

GB1A Change in the ownership or in the address of the owner