[go: up one dir, main page]

ATE504180T1 - Drahtlose kommunikationseinheit und leistungsregelsystem dafür - Google Patents

Drahtlose kommunikationseinheit und leistungsregelsystem dafür

Info

Publication number
ATE504180T1
ATE504180T1 AT04821386T AT04821386T ATE504180T1 AT E504180 T1 ATE504180 T1 AT E504180T1 AT 04821386 T AT04821386 T AT 04821386T AT 04821386 T AT04821386 T AT 04821386T AT E504180 T1 ATE504180 T1 AT E504180T1
Authority
AT
Austria
Prior art keywords
power control
wireless communication
communication unit
control system
system therefor
Prior art date
Application number
AT04821386T
Other languages
English (en)
Inventor
Patrick J Pratt
Michael A Milyard
Daniel Schwartz
Philip C Warder
Original Assignee
Freescale Semiconductor Inc
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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Application granted granted Critical
Publication of ATE504180T1 publication Critical patent/ATE504180T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/52Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047Automatic 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Selective Calling Equipment (AREA)
AT04821386T 2004-12-23 2004-12-23 Drahtlose kommunikationseinheit und leistungsregelsystem dafür ATE504180T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2004/053690 WO2006066627A1 (en) 2004-12-23 2004-12-23 Wireless communication unit and power control system thereof

Publications (1)

Publication Number Publication Date
ATE504180T1 true ATE504180T1 (de) 2011-04-15

Family

ID=34960121

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04821386T ATE504180T1 (de) 2004-12-23 2004-12-23 Drahtlose kommunikationseinheit und leistungsregelsystem dafür

Country Status (6)

Country Link
US (1) US7991367B2 (de)
EP (3) EP1832010B1 (de)
AT (1) ATE504180T1 (de)
DE (1) DE602004032064D1 (de)
TW (1) TW200633410A (de)
WO (1) WO2006066627A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006066627A1 (en) 2004-12-23 2006-06-29 Freescale Semiconductor, Inc Wireless communication unit and power control system thereof
EP1831992A1 (de) 2004-12-23 2007-09-12 Freescale Semiconductor, Inc. Leistungsregelsystem für eine drahtlose kommunikationseinheit
US7974596B2 (en) * 2006-09-22 2011-07-05 Silicon Laboratories Inc. Power control scheme for a power amplifier
US7881680B1 (en) * 2006-10-23 2011-02-01 Marvell International Ltd. Predictive transmitter calibration
US8001400B2 (en) * 2006-12-01 2011-08-16 Apple Inc. Power consumption management for functional preservation in a battery-powered electronic device
US8081710B2 (en) * 2007-11-08 2011-12-20 Pine Valley Investments, Inc. System and method for corrected modulation with nonlinear power amplification
JP4962286B2 (ja) * 2007-11-28 2012-06-27 富士通株式会社 無線通信装置、電力増幅器制御方法及び電力増幅器制御装置
US7983359B2 (en) * 2008-02-07 2011-07-19 Pine Valley Investments, Inc. Synchronization techniques for polar transmitters
TWI455564B (zh) * 2008-03-07 2014-10-01 Chi Mei Comm Systems Inc 手機功率自動校準系統及方法
US8233852B2 (en) * 2008-04-04 2012-07-31 Pine Valley Investments, Inc. Calibration techniques for non-linear devices
WO2010023507A1 (en) * 2008-08-29 2010-03-04 Freescale Semiconductor, Inc. Wireless communication unit, semiconductor device and power control method therefor
US8249531B2 (en) * 2008-10-31 2012-08-21 Apple, Inc. Transmit power measurement and control methods and apparatus
US8422968B2 (en) * 2009-06-03 2013-04-16 Apple Inc. Wireless electronic device with open-loop and closed-loop output power control
US8565699B1 (en) 2009-09-23 2013-10-22 Marvell International Ltd. Setting of power amplifier control voltage
US8260226B1 (en) 2009-10-28 2012-09-04 Marvell International Ltd. High-accuracy transmit power control with high-efficiency power amplifier operation
US8417198B1 (en) * 2009-10-28 2013-04-09 Marvell International Ltd. Selection of closed-loop/open-loop power control in user equipment
US8666337B2 (en) 2010-03-05 2014-03-04 Skyworks Solutions, Inc. System and method for power amplifier control saturation detection and correction
US8913970B2 (en) 2010-09-21 2014-12-16 Apple Inc. Wireless transceiver with amplifier bias adjusted based on modulation scheme
US8738066B2 (en) 2010-10-07 2014-05-27 Apple Inc. Wireless transceiver with amplifier bias adjusted based on modulation scheme and transmit power feedback
US20140362949A1 (en) * 2013-06-11 2014-12-11 Analog Devices Technology Reduced bandwidth digital predistortion
US9231530B1 (en) * 2015-01-08 2016-01-05 Freescale Semiconductor, Inc. System for calibrating power amplifier
US10033413B2 (en) * 2016-05-19 2018-07-24 Analog Devices Global Mixed-mode digital predistortion
US10224970B2 (en) 2016-05-19 2019-03-05 Analog Devices Global Wideband digital predistortion
US9979281B2 (en) * 2016-10-07 2018-05-22 Excelitas Technologies Corp. Apparatus and method for dynamic adjustment of the bandwidth of a power converter
US10181832B1 (en) * 2017-10-05 2019-01-15 Motorola Mobility Llc Multimode transmit power control loop, electronic device, and method of adjusting a detected operating level of amplified power output
CN114944846B (zh) * 2021-02-10 2023-12-12 海能达通信股份有限公司 一种射频收发装置、方法和电子设备
TWI768926B (zh) * 2021-05-25 2022-06-21 瑞昱半導體股份有限公司 訊號強度指標電路與傳輸電路
CN117240226B (zh) * 2023-09-28 2024-06-04 扬州万方科技股份有限公司 一种基于闭环调制的大功率功放系统及数字防过冲方法

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900823A (en) * 1973-03-28 1975-08-19 Nathan O Sokal Amplifying and processing apparatus for modulated carrier signals
JPH0630031B2 (ja) * 1986-09-25 1994-04-20 日本電気株式会社 自動電力制御回路
US5150075A (en) * 1991-06-03 1992-09-22 Motorola, Inc. Power amplifier ramp up method and apparatus
JP2776071B2 (ja) 1991-07-19 1998-07-16 松下電器産業株式会社 送信出力包絡線検波回路および線形送信回路
JPH0563627A (ja) * 1991-08-30 1993-03-12 Nec Corp 電力制御回路
US5296821A (en) * 1993-05-03 1994-03-22 Motorola, Inc. Method and apparatus for controlling transient responses in a power amplifier
US5548616A (en) * 1994-09-09 1996-08-20 Nokia Mobile Phones Ltd. Spread spectrum radiotelephone having adaptive transmitter gain control
JP2967699B2 (ja) * 1995-03-06 1999-10-25 日本電気株式会社 送信装置
DE29513251U1 (de) 1995-08-17 1996-09-26 Siemens AG, 80333 München Einrichtung zur Regelung eines Prozesses
US5675287A (en) * 1996-02-12 1997-10-07 Motorola, Inc. Digital DC correction circuit for a linear transmitter
US6133789A (en) * 1997-12-10 2000-10-17 Nortel Networks Corporation Method and system for robustly linearizing a radio frequency power amplifier using vector feedback
US6466772B1 (en) * 1998-09-25 2002-10-15 Skyworks Solutions, Inc. Apparatus and method for improving power control loop linearity
US6169886B1 (en) * 1998-11-02 2001-01-02 Motorola, Inc. Power amplifier control according to a delayed waveform suitable for use in a communication device
US6236864B1 (en) * 1998-11-27 2001-05-22 Nortel Networks Limited CDMA transmit peak power reduction
US6236267B1 (en) * 1998-12-29 2001-05-22 International Business Machines Corporation Linearization for power amplifiers using feed-forward and feedback control
US6272336B1 (en) * 1998-12-30 2001-08-07 Samsung Electronics Co., Ltd. Traffic-weighted closed loop power detection system for use with an RF power amplifier and method of operation
US6043707A (en) * 1999-01-07 2000-03-28 Motorola, Inc. Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier
JP4014343B2 (ja) * 1999-12-28 2007-11-28 富士通株式会社 歪補償装置
US6792282B1 (en) * 2000-09-21 2004-09-14 Skyworks Solutions, Inc. Multiple step switched translation loop for power amplifier feedback control
US7409004B2 (en) * 2001-06-19 2008-08-05 Matsushita Electric Industrial Co., Ltd. Hybrid polar modulator differential phase Cartesian feedback correction circuit for power amplifier linearization
JP3876408B2 (ja) * 2001-10-31 2007-01-31 富士通株式会社 歪補償装置及び歪補償方法
US7260367B2 (en) * 2002-01-23 2007-08-21 Analog Devices, Inc. Edge power detector/controller
US6664852B2 (en) * 2002-02-28 2003-12-16 Motorola, Inc. Apparatus and method for digital control systems
US7551905B2 (en) * 2002-05-31 2009-06-23 Fujitsu Limited Distortion compensation apparatus
US6904268B2 (en) * 2002-09-30 2005-06-07 Motorola, Inc. Low noise linear transmitter using cartesian feedback
US7729668B2 (en) * 2003-04-03 2010-06-01 Andrew Llc Independence between paths that predistort for memory and memory-less distortion in power amplifiers
US7072626B2 (en) * 2003-04-30 2006-07-04 Telefonaktiebolaget Lm Ericsson (Publ) Polar modulation transmitter
US7149482B2 (en) * 2003-09-16 2006-12-12 Andrew Corporation Compensation of filters in radio transmitters
JP4323968B2 (ja) * 2004-01-14 2009-09-02 株式会社日立コミュニケーションテクノロジー 無線通信装置のタイミング調整方法
EP1831992A1 (de) * 2004-12-23 2007-09-12 Freescale Semiconductor, Inc. Leistungsregelsystem für eine drahtlose kommunikationseinheit
WO2006066627A1 (en) 2004-12-23 2006-06-29 Freescale Semiconductor, Inc Wireless communication unit and power control system thereof

Also Published As

Publication number Publication date
WO2006066627A1 (en) 2006-06-29
EP1832010B1 (de) 2011-03-30
EP1832010A1 (de) 2007-09-12
EP2259640B1 (de) 2013-09-18
DE602004032064D1 (de) 2011-05-12
EP2296412A1 (de) 2011-03-16
EP2259640A2 (de) 2010-12-08
US7991367B2 (en) 2011-08-02
TW200633410A (en) 2006-09-16
EP2296412B1 (de) 2014-02-26
EP2259640A3 (de) 2011-03-09
US20090280758A1 (en) 2009-11-12

Similar Documents

Publication Publication Date Title
ATE504180T1 (de) Drahtlose kommunikationseinheit und leistungsregelsystem dafür
TW374269B (en) Battery life extending technique for mobile wireless applications
TW200637138A (en) Power control system for a wireless communication unit
ATE529039T1 (de) Persönliche gesundheitsmodule, unterstützt von einer tragbaren kommunikationsvorrichtung
FI20030213A0 (fi) Toimintamoodien valinta elektronisessa laitteessa
TW200600995A (en) DC-DC regulator with switching frequency responsive to load
DE602006020036D1 (de) Elten leistungsverstärker in einem geschlossenen regelkreis
WO2007149346A3 (en) Radio frequency power amplifier and method using a controlled supply
WO2003063338A3 (en) Direct conversion of low power high linearity receiver
ATE527586T1 (de) Projektionsuhr
DE60328107D1 (de) Verstärkungsgeregelter verstärker, empfängerschaltung und funkkommunikationsgerät
DE602005021888D1 (de) Leistungsbegrenzung
TW200644413A (en) System-in-package wireless communication device
TW200737783A (en) Wireless subscriber communication unit and method of power control therefor
TW200729773A (en) System and method for controlling the transmit power of a wireless module
TW200743334A (en) RF transceiver and communication device using the same
DE60330713D1 (de) Regelung der empfänger-eigenschaft
TW200629031A (en) Operating current modifiying device and method thereof
DE60120751D1 (de) Digitales vorschaltgerät
TW200725625A (en) Semiconductor device having adaptive power function
ATE431646T1 (de) Class e leistungsverstärker und entsprechende sendeschaltung
DE60227522D1 (de) Stromgesteuerter leistungsverstärker
GB2400250B (en) Wireless communication unit and linearised transmitter circuit therefor
ATE239323T1 (de) Verstärker
DE60211752D1 (de) Drahtloser Empfänger ohne austomatische Verstärkungsregelung

Legal Events

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