JP2007514370A5 - - Google Patents
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- Publication number
- JP2007514370A5 JP2007514370A5 JP2006543820A JP2006543820A JP2007514370A5 JP 2007514370 A5 JP2007514370 A5 JP 2007514370A5 JP 2006543820 A JP2006543820 A JP 2006543820A JP 2006543820 A JP2006543820 A JP 2006543820A JP 2007514370 A5 JP2007514370 A5 JP 2007514370A5
- Authority
- JP
- Japan
- Prior art keywords
- power
- control system
- lamp
- adaptive filter
- power control
- 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.)
- Granted
Links
- 230000003044 adaptive effect Effects 0.000 claims 6
- 230000001052 transient effect Effects 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/731,069 | 2003-12-09 | ||
| US10/731,069 US7215972B2 (en) | 2003-12-09 | 2003-12-09 | Adaptive transmit power control system |
| PCT/US2004/037061 WO2005060451A2 (en) | 2003-12-09 | 2004-11-04 | Adaptive transmit power control system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007514370A JP2007514370A (ja) | 2007-05-31 |
| JP2007514370A5 true JP2007514370A5 (https=) | 2007-12-20 |
| JP4921976B2 JP4921976B2 (ja) | 2012-04-25 |
Family
ID=34634289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006543820A Expired - Fee Related JP4921976B2 (ja) | 2003-12-09 | 2004-11-04 | 適応送信電力制御システム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7215972B2 (https=) |
| EP (1) | EP1917714B1 (https=) |
| JP (1) | JP4921976B2 (https=) |
| CN (1) | CN100586207C (https=) |
| WO (1) | WO2005060451A2 (https=) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US8009765B2 (en) * | 2007-03-13 | 2011-08-30 | Pine Valley Investments, Inc. | Digital polar transmitter |
| 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 |
| 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 |
| ES2375532T5 (es) * | 2008-06-05 | 2015-08-20 | Optis Wireless Technology, Llc | Método y disposición en un sistema de comunicaciones celulares |
| 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 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278994A (en) * | 1991-06-03 | 1994-01-11 | Motorola, Inc. | Power amplifier saturation detection and correction method and apparatus |
| US5774785A (en) * | 1996-06-20 | 1998-06-30 | Telefonaktiebolaget Lm Ericsson | Adaptive quality adjustment |
| EP1043834A1 (en) * | 1999-04-07 | 2000-10-11 | Lucent Technologies Inc. | Temperature Independent power control loop |
| US6160449A (en) * | 1999-07-22 | 2000-12-12 | Motorola, Inc. | Power amplifying circuit with load adjust for control of adjacent and alternate channel power |
| US6166598A (en) * | 1999-07-22 | 2000-12-26 | Motorola, Inc. | Power amplifying circuit with supply adjust to control adjacent and alternate channel power |
| CN1141809C (zh) * | 1999-11-10 | 2004-03-10 | 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 |
| 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 |
| CN1254119C (zh) * | 2001-11-15 | 2006-04-26 | 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 |
| 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 |
-
2003
- 2003-12-09 US US10/731,069 patent/US7215972B2/en not_active Expired - Fee Related
-
2004
- 2004-11-04 WO PCT/US2004/037061 patent/WO2005060451A2/en not_active Ceased
- 2004-11-04 JP JP2006543820A patent/JP4921976B2/ja not_active Expired - Fee Related
- 2004-11-04 CN CN200480033964A patent/CN100586207C/zh not_active Expired - Fee Related
- 2004-11-04 EP EP04810478.0A patent/EP1917714B1/en not_active Expired - Lifetime
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