ATE303018T1 - Leistungsregelung für nicht konstante hüllmodulation - Google Patents

Leistungsregelung für nicht konstante hüllmodulation

Info

Publication number
ATE303018T1
ATE303018T1 AT02740906T AT02740906T ATE303018T1 AT E303018 T1 ATE303018 T1 AT E303018T1 AT 02740906 T AT02740906 T AT 02740906T AT 02740906 T AT02740906 T AT 02740906T AT E303018 T1 ATE303018 T1 AT E303018T1
Authority
AT
Austria
Prior art keywords
signal
constant envelope
power control
envelope modulation
modulation
Prior art date
Application number
AT02740906T
Other languages
English (en)
Inventor
Sarachi Mohsen
Tim Land
Original Assignee
Nokia Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9917003&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE303018(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE303018T1 publication Critical patent/ATE303018T1/de

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
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers

Landscapes

  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
AT02740906T 2001-06-20 2002-06-19 Leistungsregelung für nicht konstante hüllmodulation ATE303018T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0115082.0A GB0115082D0 (en) 2001-06-20 2001-06-20 Power control for non-constant envelope modulation
PCT/GB2002/002897 WO2002103924A2 (en) 2001-06-20 2002-06-19 Power control for non-constant envelope modulation

Publications (1)

Publication Number Publication Date
ATE303018T1 true ATE303018T1 (de) 2005-09-15

Family

ID=9917003

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02740906T ATE303018T1 (de) 2001-06-20 2002-06-19 Leistungsregelung für nicht konstante hüllmodulation

Country Status (9)

Country Link
US (1) US7289777B2 (de)
EP (1) EP1415410B1 (de)
CN (1) CN1524342A (de)
AT (1) ATE303018T1 (de)
AU (1) AU2002314336A1 (de)
DE (1) DE60205757T2 (de)
ES (1) ES2244786T3 (de)
GB (1) GB0115082D0 (de)
WO (1) WO2002103924A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7570709B2 (en) * 2001-03-08 2009-08-04 Siemens Aktiengesellschaft Automatic transmit power control loop with modulation averaging
US7385536B2 (en) * 2004-12-14 2008-06-10 Texas Instruments Incorporated Methods and circuits for output of sample-and-hold in pipelined ADC
US7148749B2 (en) * 2005-01-31 2006-12-12 Freescale Semiconductor, Inc. Closed loop power control with high dynamic range
US7522676B2 (en) * 2006-02-06 2009-04-21 Nokia Corporation Method and system for transmitter envelope delay calibration
CN101578763B (zh) * 2007-01-12 2012-01-04 松下电器产业株式会社 发送功率控制方法和发送装置
US7941109B2 (en) * 2007-01-12 2011-05-10 Panasonic Corporation Polar modulation transmission apparatus and transmission power control method
US8081710B2 (en) 2007-11-08 2011-12-20 Pine Valley Investments, Inc. System and method for corrected modulation with nonlinear power amplification
US8391814B2 (en) 2007-12-18 2013-03-05 Intel Mobile Communications GmbH Power control loop, transmitter with the power control loop and method for controlling output power of a transmitter device
US8233852B2 (en) * 2008-04-04 2012-07-31 Pine Valley Investments, Inc. Calibration techniques for non-linear devices
US8463209B1 (en) * 2009-07-27 2013-06-11 Rf Micro Devices, Inc. Pre-charge of a power amplifier pedestal voltage

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103207A (ja) 1990-08-22 1992-04-06 Mitsubishi Electric Corp リニア変調波自動電力制御装置
GB9219825D0 (en) 1992-09-18 1992-10-28 Philips Electronics Uk Ltd Power amplifier and a transmitter including the power amplifier
FI97179C (fi) 1994-06-15 1996-10-25 Nokia Mobile Phones Ltd Pulssitetun lähettimen lähtötehon säätö ja tehon verhokäyrän muotoilu
US5697074A (en) * 1995-03-30 1997-12-09 Nokia Mobile Phones Limited Dual rate power control loop for a transmitter
GB9825414D0 (en) 1998-11-19 1999-01-13 Symbionics Limted Linear RF power amplifier and transmitter
FI982561A7 (fi) 1998-11-26 2000-05-27 Nokia Corp Tehonsäätömenetelmä ja tehonsäätöjärjestelmä
NZ338097A (en) 1999-09-29 2001-05-25 Tait Electronics Ltd Digitally controlled envelope elimination and restoration phase lock loop radio frequency amplifier
EP1110308A1 (de) * 1999-07-02 2001-06-27 Nokia Corporation Leistungsregelung für modulation mit nicht konstanter hüllkurve
CN1249912C (zh) 1999-07-29 2006-04-05 特罗皮亚恩公司 高效调制射频放大器
WO2001022575A1 (en) 1999-09-23 2001-03-29 Wey Chia Sam Method and apparatus for providing a constant loop bandwidth of a power control loop system at different power levels
DE10056472A1 (de) 2000-11-15 2002-05-29 Infineon Technologies Ag Polar-Loop-Sendeschaltung

Also Published As

Publication number Publication date
EP1415410B1 (de) 2005-08-24
EP1415410A2 (de) 2004-05-06
ES2244786T3 (es) 2005-12-16
US7289777B2 (en) 2007-10-30
WO2002103924A3 (en) 2004-03-04
US20040166885A1 (en) 2004-08-26
WO2002103924A2 (en) 2002-12-27
CN1524342A (zh) 2004-08-25
DE60205757D1 (de) 2005-09-29
DE60205757T2 (de) 2006-01-12
GB0115082D0 (en) 2001-08-15
AU2002314336A1 (en) 2003-01-02

Similar Documents

Publication Publication Date Title
DE60317371D1 (de) Verstärkung mit hohem wirkungsgrad
TW342553B (en) Efficient parallel-stage power amplifier
GB2338130B (en) Method and device for providing envelope-following for variable envelope radio frequency signals
BR9913165A (pt) Processo de gerar um som de saída de áudio a partir de um dispositivo de comunicação eletrônico, e, dispositivo de comunicação eletrônico
SE0001260D0 (sv) Bredbandig effektförstärkare med hög verkningsgrad
DE60331350D1 (de) Kreuzvermittlung mit bandumsetzung
ATE303018T1 (de) Leistungsregelung für nicht konstante hüllmodulation
DE602004029335D1 (de) Verfahren und einrichtung zur einstellung von leistungsverstärkereigenschaften
BR0006799A (pt) Amplificador de potência multimodo eficiente e método de amplificar um sinal modulado
DE60231508D1 (de) System zur strommodus-amplitudenmodulation , und verfahren dazu
SE0201908D0 (sv) Efficient generation of radio frequency currents
AU2002227013A1 (en) Envelope restoration scheme for linear high-efficiency power amplification
AU2003279487A1 (en) Self adaptable bias circuit for enabling dynamic control of quiescent current in a linear power amplifier
TW200627815A (en) System and method for adjusting power amplifier output power in linear dB steps
WO2004017526A3 (en) Power regulator for intermittent use of traveling wave tube amplifiers in communications satellites
MX9602957A (es) Etapa de salida de un amplificador operacional adecuado para montarse sobre un substrato y metodo de amplificacion con el mismo.
TW200737783A (en) Wireless subscriber communication unit and method of power control therefor
DE60301338D1 (de) Verstärkerschaltungen und ihre verwendung in hochfrequenzsendern
FI982561A0 (fi) Tehonsäätömenetelmä ja tehonsäätöjärjestelmä
SE0100528L (sv) Automatisk förstärkningsreglering
SE9701452D0 (sv) Anordning och förfarande vid effektförstärkning av signal
DE60134515D1 (de) Verfahren und Steuerungsschaltung zur Verwendung eines Leistungsverstärkers in Heteroübergangs-Bipolartransistortechnik in einem Sender in einer Architektur mit Null Hertz Zwischenfrequenz
CN203193615U (zh) 低功耗实现小声呼叫功能的tcas发射机
KR960003240A (ko) 휴대폰에서의 음향레벨 자동 조절 방법 및 그 장치
DE60010671D1 (de) Mit entarteten moden arbeitender kombinierer

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties