CN100586207C - 自适应发射功率控制系统 - Google Patents

自适应发射功率控制系统 Download PDF

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Publication number
CN100586207C
CN100586207C CN200480033964A CN200480033964A CN100586207C CN 100586207 C CN100586207 C CN 100586207C CN 200480033964 A CN200480033964 A CN 200480033964A CN 200480033964 A CN200480033964 A CN 200480033964A CN 100586207 C CN100586207 C CN 100586207C
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CN
China
Prior art keywords
power
signal
control system
power control
adaptive filter
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN200480033964A
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English (en)
Chinese (zh)
Other versions
CN1947438A (zh
Inventor
普拉温库马尔·普雷马卡司恩
马西普·拉哈曼
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Apple Inc
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Freescale Semiconductor Inc
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Publication date
Application filed by Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Publication of CN1947438A publication Critical patent/CN1947438A/zh
Application granted granted Critical
Publication of CN100586207C publication Critical patent/CN100586207C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

Landscapes

  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Feedback Control In General (AREA)
CN200480033964A 2003-12-09 2004-11-04 自适应发射功率控制系统 Expired - Fee Related CN100586207C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/731,069 US7215972B2 (en) 2003-12-09 2003-12-09 Adaptive transmit power control system
US10/731,069 2003-12-09

Publications (2)

Publication Number Publication Date
CN1947438A CN1947438A (zh) 2007-04-11
CN100586207C true CN100586207C (zh) 2010-01-27

Family

ID=34634289

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200480033964A Expired - Fee Related CN100586207C (zh) 2003-12-09 2004-11-04 自适应发射功率控制系统

Country Status (5)

Country Link
US (1) US7215972B2 (enExample)
EP (1) EP1917714B1 (enExample)
JP (1) JP4921976B2 (enExample)
CN (1) CN100586207C (enExample)
WO (1) WO2005060451A2 (enExample)

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US20070223621A1 (en) * 2006-03-21 2007-09-27 M/A-Com, Inc. Method and apparatus for signal power ramp-up in a communication transmission
US7912151B1 (en) 2006-03-31 2011-03-22 Pmc-Sierra, Inc. Post-distortion filter for reducing sensitivity to receiver nonlinearities
US7609781B2 (en) * 2006-06-30 2009-10-27 St-Ericsson Sa Wireless communication device with self calibration feature for controlling power output
US7889810B2 (en) * 2006-12-15 2011-02-15 Pine Valley Investments, Inc. Method and apparatus for a nonlinear feedback control system
JP2008153972A (ja) * 2006-12-18 2008-07-03 Kenwood Corp 無線通信機
US7869543B2 (en) * 2007-03-13 2011-01-11 Pine Valley Investments, Inc. System and method for synchronization, power control, calibration, and modulation in communication transmitters
US8009765B2 (en) * 2007-03-13 2011-08-30 Pine Valley Investments, Inc. Digital polar transmitter
US8208877B2 (en) 2007-03-21 2012-06-26 Intel Corporation Digital modulator and method for initiating ramp power transitions in a mobile handset transmitter
US8078094B1 (en) * 2007-03-21 2011-12-13 At&T Mobility Ii Llc Universal multi-purpose RF signal distribution system
US7941110B2 (en) * 2007-07-23 2011-05-10 Freescale Semiconductor, Inc. RF circuit with control unit to reduce signal power under appropriate conditions
US8068797B2 (en) * 2007-09-28 2011-11-29 Freescale Semiconductor, Inc. Gain control methods for wireless devices and transmitters
US7805116B2 (en) * 2007-09-28 2010-09-28 Freescale Semiconductor, Inc. Gain control methods for wireless devices and transmitters
JP4867891B2 (ja) * 2007-10-31 2012-02-01 アイコム株式会社 Ａｍ送信機及びその変調方法
US8081710B2 (en) * 2007-11-08 2011-12-20 Pine Valley Investments, Inc. System and method for corrected modulation with nonlinear power amplification
US7983359B2 (en) * 2008-02-07 2011-07-19 Pine Valley Investments, Inc. Synchronization techniques for polar transmitters
US8233852B2 (en) * 2008-04-04 2012-07-31 Pine Valley Investments, Inc. Calibration techniques for non-linear devices
US8000408B2 (en) * 2008-05-13 2011-08-16 Freescale Semiconductor, Inc. Loop delay and gain control methods in closed-loop transmitters and wireless devices
NZ588998A (en) * 2008-06-05 2013-06-28 Ericsson Telefon Ab L M Applying power masks with configurable power ramps to subframes and OFDM symbols
US8284860B2 (en) * 2008-10-31 2012-10-09 Freescale Semiconductors, Inc. Error signal processing systems for generating a digital error signal from an analog error signal
US7872823B2 (en) * 2009-01-12 2011-01-18 Lsi Corporation AGC loop with weighted zero forcing and LMS error sources and methods for using such
US8320868B2 (en) * 2010-02-11 2012-11-27 Mediatek Singapore Pte. Ltd. Integrated circuits, communication units and methods of cancellation of intermodulation distortion
US8320866B2 (en) * 2010-02-11 2012-11-27 Mediatek Singapore Pte. Ltd. Integrated circuits, communication units and methods of cancellation of intermodulation distortion
US8565806B2 (en) 2010-12-12 2013-10-22 St-Ericsson Sa Real time transmission power control
CN102868385B (zh) * 2012-09-25 2015-07-08 北京东方联星科技有限公司 一种可配置系数的数字滤波器和实现方法
US9876501B2 (en) * 2013-05-21 2018-01-23 Mediatek Inc. Switching power amplifier and method for controlling the switching power amplifier
US8970287B1 (en) 2013-08-15 2015-03-03 Silicon Laboratories Inc. Apparatus and method of adjusting analog parameters for extended temperature operation
WO2016000981A1 (en) * 2014-06-30 2016-01-07 Koninklijke Philips N.V. Device management
US10547942B2 (en) 2015-12-28 2020-01-28 Samsung Electronics Co., Ltd. Control of electrodynamic speaker driver using a low-order non-linear model
US9923529B2 (en) * 2016-02-03 2018-03-20 Samsung Electronics Co., Ltd Customizable ramp-up and ramp-down amplitude profiles for a digital power amplifier (DPA) based transmitter
US10462565B2 (en) 2017-01-04 2019-10-29 Samsung Electronics Co., Ltd. Displacement limiter for loudspeaker mechanical protection
US10506347B2 (en) 2018-01-17 2019-12-10 Samsung Electronics Co., Ltd. Nonlinear control of vented box or passive radiator loudspeaker systems
US10701485B2 (en) 2018-03-08 2020-06-30 Samsung Electronics Co., Ltd. Energy limiter for loudspeaker protection
EP3811513A1 (en) * 2018-06-19 2021-04-28 Nokia Technologies Oy Gain transient response compensation
US10542361B1 (en) 2018-08-07 2020-01-21 Samsung Electronics Co., Ltd. Nonlinear control of loudspeaker systems with current source amplifier
US11012773B2 (en) 2018-09-04 2021-05-18 Samsung Electronics Co., Ltd. Waveguide for smooth off-axis frequency response
US10797666B2 (en) 2018-09-06 2020-10-06 Samsung Electronics Co., Ltd. Port velocity limiter for vented box loudspeakers
US11356773B2 (en) 2020-10-30 2022-06-07 Samsung Electronics, Co., Ltd. Nonlinear control of a loudspeaker with a neural network

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223037A (zh) * 1996-06-20 1999-07-14 艾利森电话股份有限公司 电信系统中自适应质量调节的方法与装置
CN1264229A (zh) * 1999-11-10 2000-08-23 深圳市中兴通讯股份有限公司 Wcdma基站中前向信道的基带信号处理装置
CN1420693A (zh) * 2001-11-15 2003-05-28 华为技术有限公司 无线通信基带调制的多通道相位匹配控制方法与实现电路

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US5278994A (en) * 1991-06-03 1994-01-11 Motorola, Inc. Power amplifier saturation detection and correction method and apparatus
EP1043834A1 (en) * 1999-04-07 2000-10-11 Lucent Technologies Inc. Temperature Independent power control loop
US6166598A (en) * 1999-07-22 2000-12-26 Motorola, Inc. Power amplifying circuit with supply adjust to control adjacent and alternate channel power
US6160449A (en) * 1999-07-22 2000-12-12 Motorola, Inc. Power amplifying circuit with load adjust for control of adjacent and alternate channel power
US6801784B1 (en) * 2000-11-02 2004-10-05 Skyworks Solutions, Inc. Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier
DE10124179A1 (de) * 2001-05-17 2002-07-25 Infineon Technologies Ag Vorrichtung und Verfahren zur Regelung der Ausgangsleistung von Mobilfunkstationen
US6701138B2 (en) * 2001-06-11 2004-03-02 Rf Micro Devices, Inc. Power amplifier control
JP3991205B2 (ja) * 2002-04-23 2007-10-17 日本電気株式会社 無線通信装置の送信制御装置及び方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223037A (zh) * 1996-06-20 1999-07-14 艾利森电话股份有限公司 电信系统中自适应质量调节的方法与装置
CN1264229A (zh) * 1999-11-10 2000-08-23 深圳市中兴通讯股份有限公司 Wcdma基站中前向信道的基带信号处理装置
CN1420693A (zh) * 2001-11-15 2003-05-28 华为技术有限公司 无线通信基带调制的多通道相位匹配控制方法与实现电路

Also Published As

Publication number Publication date
JP4921976B2 (ja) 2012-04-25
CN1947438A (zh) 2007-04-11
US7215972B2 (en) 2007-05-08
WO2005060451A3 (en) 2006-05-04
JP2007514370A (ja) 2007-05-31
EP1917714B1 (en) 2014-12-17
EP1917714A2 (en) 2008-05-07
US20050122166A1 (en) 2005-06-09
WO2005060451A2 (en) 2005-07-07
EP1917714A4 (en) 2008-09-03

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SE01 Entry into force of request for substantive examination
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Owner name: APPLE COMPUTER, INC.

Free format text: FORMER OWNER: FISICAL SEMICONDUCTOR INC.

Effective date: 20150618

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Address after: American California

Patentee after: Apple Computer, Inc.

Address before: Texas in the United States

Patentee before: Fisical Semiconductor Inc.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100127

Termination date: 20171104

CF01 Termination of patent right due to non-payment of annual fee