IL134292A - Device and method for controlling the power output of a mobile communication terminal - Google Patents
Device and method for controlling the power output of a mobile communication terminalInfo
- Publication number
- IL134292A IL134292A IL13429299A IL13429299A IL134292A IL 134292 A IL134292 A IL 134292A IL 13429299 A IL13429299 A IL 13429299A IL 13429299 A IL13429299 A IL 13429299A IL 134292 A IL134292 A IL 134292A
- Authority
- IL
- Israel
- Prior art keywords
- signal
- control value
- bias voltage
- power
- automatic gain
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010295 mobile communication Methods 0.000 title claims abstract description 21
- 230000004044 response Effects 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 description 14
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 241001125929 Trisopterus luscus Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 102100032937 CD40 ligand Human genes 0.000 description 1
- 101000868215 Homo sapiens CD40 ligand Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- 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]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
-
- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-1998-0023776A KR100357619B1 (ko) | 1998-06-23 | 1998-06-23 | 이동 통신단말기의 출력전력 제어장치 및 방법 |
| PCT/KR1999/000332 WO1999067888A1 (en) | 1998-06-23 | 1999-06-23 | Device and method for controlling output power of mobile communication terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL134292A0 IL134292A0 (en) | 2001-04-30 |
| IL134292A true IL134292A (en) | 2004-02-08 |
Family
ID=37005931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL13429299A IL134292A (en) | 1998-06-23 | 1999-06-23 | Device and method for controlling the power output of a mobile communication terminal |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6356745B1 (de) |
| EP (1) | EP0997005B1 (de) |
| KR (1) | KR100357619B1 (de) |
| CN (1) | CN1272979A (de) |
| AR (1) | AR018926A1 (de) |
| AT (1) | ATE338386T1 (de) |
| AU (1) | AU727713B2 (de) |
| BR (1) | BR9906550A (de) |
| CA (1) | CA2298711C (de) |
| DE (1) | DE69932988T2 (de) |
| ES (1) | ES2270608T3 (de) |
| IL (1) | IL134292A (de) |
| RU (1) | RU2160502C1 (de) |
| WO (1) | WO1999067888A1 (de) |
Families Citing this family (79)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6977967B1 (en) * | 1995-03-31 | 2005-12-20 | Qualcomm Incorporated | Method and apparatus for performing fast power control in a mobile communication system |
| TW347616B (en) * | 1995-03-31 | 1998-12-11 | Qualcomm Inc | Method and apparatus for performing fast power control in a mobile communication system a method and apparatus for controlling transmission power in a mobile communication system is disclosed. |
| JP3323809B2 (ja) * | 1998-06-19 | 2002-09-09 | 松下電器産業株式会社 | 時分割多重無線通信方式の受信電界強度測定装置 |
| KR20000061245A (ko) * | 1999-03-24 | 2000-10-16 | 서평원 | 디이씨티 단말기의 전원 절약 장치 |
| JP2001094349A (ja) * | 1999-08-31 | 2001-04-06 | Samsung Electronics Co Ltd | 携帯電話端末用電力増幅器 |
| US6721549B2 (en) * | 1999-12-29 | 2004-04-13 | Samsung Electronics Co., Ltd. | Low-noise amplifier for a mobile communication terminal |
| CN1112066C (zh) * | 2000-05-11 | 2003-06-18 | 英业达集团(南京)电子技术有限公司 | 无线协载终端机功率输出的调整方法和装置 |
| JP2002111400A (ja) * | 2000-10-03 | 2002-04-12 | Nec Corp | 電力増幅器 |
| TW503345B (en) * | 2001-03-26 | 2002-09-21 | Mediatec Inc | Power controller |
| US8199696B2 (en) * | 2001-03-29 | 2012-06-12 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
| US6665525B2 (en) * | 2001-05-29 | 2003-12-16 | Ericsson Inc. | High-level modulation method and apparatus |
| KR100386290B1 (ko) * | 2001-06-07 | 2003-06-02 | 엘지전자 주식회사 | 이동통신 단말기의 송신 전력제어 장치 |
| US6701138B2 (en) * | 2001-06-11 | 2004-03-02 | Rf Micro Devices, Inc. | Power amplifier control |
| WO2002104043A2 (en) * | 2001-06-19 | 2002-12-27 | Harris Corporation | Method and system for determining nominal remote station operational setting for minimal base station noise interference |
| KR100547843B1 (ko) * | 2001-07-13 | 2006-02-01 | 삼성전자주식회사 | 이동통신 시스템의 송신전력 제어장치 및 방법 |
| US20030058045A1 (en) * | 2001-09-25 | 2003-03-27 | Taylor Stewart Sidney | Power control in RF amplifiers |
| TW516748U (en) * | 2001-10-26 | 2003-01-01 | Kye Systems Corp | Wireless transmitting circuit with adjustable radio frequency transmitting power |
| KR100834653B1 (ko) * | 2001-11-02 | 2008-06-02 | 삼성전자주식회사 | 기지국 전력 검출장치 및 방법 |
| SE0103683D0 (sv) * | 2001-11-06 | 2001-11-06 | Ericsson Telefon Ab L M | Method and arrangement in a communication system |
| US6724252B2 (en) * | 2002-02-21 | 2004-04-20 | Rf Micro Devices, Inc. | Switched gain amplifier circuit |
| KR20030094777A (ko) * | 2002-06-07 | 2003-12-18 | 엘지전자 주식회사 | 전력증폭모듈의 전원공급장치 |
| US7088999B2 (en) * | 2002-08-20 | 2006-08-08 | Via Technologies, Inc. | Personal communication device with transmitted RF power strength indicator |
| GB2427772B (en) * | 2002-09-26 | 2007-04-11 | Qualcomm Inc | A transmitter |
| US6738605B1 (en) * | 2002-09-26 | 2004-05-18 | Thomson Licensing S.A. | Method for optimizing an operating point of a power amplifier in a WCDMA mobile terminal |
| US20040070454A1 (en) * | 2002-10-15 | 2004-04-15 | Triquint Semiconductor, Inc. | Continuous bias circuit and method for an amplifier |
| US6701134B1 (en) | 2002-11-05 | 2004-03-02 | Rf Micro Devices, Inc. | Increased dynamic range for power amplifiers used with polar modulation |
| US7027793B2 (en) * | 2002-11-15 | 2006-04-11 | Qualcomm Incorporated | Direct conversion with variable amplitude LO signals |
| US20040110520A1 (en) * | 2002-12-09 | 2004-06-10 | Barbara Frank S. | Dynamic scanning receiver/amplifier |
| KR100473811B1 (ko) * | 2003-02-21 | 2005-03-10 | 학교법인 포항공과대학교 | 링크 전력 송신기 |
| US7177370B2 (en) * | 2003-12-17 | 2007-02-13 | Triquint Semiconductor, Inc. | Method and architecture for dual-mode linear and saturated power amplifier operation |
| KR100595652B1 (ko) * | 2004-02-12 | 2006-07-03 | 엘지전자 주식회사 | 이동 통신 단말기의 송신 전력 제어 장치 및 방법 |
| DE602004000811T2 (de) * | 2004-02-20 | 2006-10-26 | Research In Motion Ltd., Waterloo | Verfahren und Vorrichtung für erhöhten Wirkungsgrad eines Leistungsverstärkers in Funkübertragungssystemen mit hohen Leistungsformfaktoren |
| DE202004005208U1 (de) * | 2004-04-01 | 2004-08-05 | Harman Becker Automotive Systems Gmbh | Antennensignal-Verstärker für einen mobilen Rundfunkempfänger mit einer Energiesparfunktion |
| DE602004009034T2 (de) * | 2004-04-08 | 2008-06-19 | Stmicroelectronics N.V. | Verfahren zur Regelung der Leistung des Ausgangssignals eines Verstärkersystems, und entsprechendes System |
| CN100337491C (zh) * | 2004-05-10 | 2007-09-12 | 华为技术有限公司 | 自动功率控制优化方法及其系统 |
| JP2005354378A (ja) * | 2004-06-10 | 2005-12-22 | Hitachi Kokusai Electric Inc | 送信装置 |
| KR100584134B1 (ko) * | 2004-07-08 | 2006-05-26 | 엘지전자 주식회사 | 역방향 송출전력 설정 기능을 가지는 이동통신 단말기 |
| US7109791B1 (en) | 2004-07-09 | 2006-09-19 | Rf Micro Devices, Inc. | Tailored collector voltage to minimize variation in AM to PM distortion in a power amplifier |
| KR100619902B1 (ko) * | 2004-09-20 | 2006-09-12 | 엘지전자 주식회사 | 이동 통신 단말기의 전압 강하 보상 회로 및 그 방법 |
| WO2006038189A1 (en) * | 2004-10-08 | 2006-04-13 | Koninklijke Philips Electronics N.V. | Dual bias control circuit |
| US20060084398A1 (en) * | 2004-10-15 | 2006-04-20 | Maciej Chmiel | Method and apparatus for predictively optimizing efficiency of a radio frequency (RF) power amplifier |
| KR20060111047A (ko) * | 2005-04-21 | 2006-10-26 | 엘지전자 주식회사 | 전력 증폭기의 구동 전압 제어 장치 |
| US7336127B2 (en) * | 2005-06-10 | 2008-02-26 | Rf Micro Devices, Inc. | Doherty amplifier configuration for a collector controlled power amplifier |
| US7355476B2 (en) * | 2005-06-30 | 2008-04-08 | Silicon Laboratories Inc. | Input stage for an amplifier |
| US8346198B2 (en) * | 2005-06-30 | 2013-01-01 | Silicon Laboratories Inc. | Low noise amplifier for a radio receiver |
| US7330071B1 (en) | 2005-10-19 | 2008-02-12 | Rf Micro Devices, Inc. | High efficiency radio frequency power amplifier having an extended dynamic range |
| US20070135070A1 (en) * | 2005-12-13 | 2007-06-14 | Tzu-Huan Chiu | Extended Range Received Signal Strength Indicator Module |
| US20090021300A1 (en) * | 2006-02-24 | 2009-01-22 | Antonio Romano | Apparatus and Method for Detecting Output Power From an Amplifier |
| US7593702B1 (en) * | 2006-03-16 | 2009-09-22 | The United States Of America As Represented By The Secretary Of The Navy | Open-loop RF transmitter output power control for increased power efficiency |
| US8670876B2 (en) * | 2006-04-04 | 2014-03-11 | Utilidata, Inc. | Electric power control system and process |
| US8390227B2 (en) | 2006-04-04 | 2013-03-05 | Utilidata, Inc. | Electric power control system and efficiency optimization process for a polyphase synchronous machine |
| KR100765790B1 (ko) * | 2006-06-30 | 2007-10-12 | 삼성전자주식회사 | 모바일 기기의 가변 전원공급 장치 및 방법 |
| US7482866B2 (en) * | 2007-02-06 | 2009-01-27 | Himax Analogic, Inc. | Audio system with power-on/off noise suppression and audio amplifier thereof |
| US7683851B2 (en) * | 2007-03-19 | 2010-03-23 | Broadcom Corporation | Method and system for using a single transformer for FM transmit and FM receive functions |
| JP4429347B2 (ja) * | 2007-09-18 | 2010-03-10 | 富士通テン株式会社 | ミリ波レーダ装置のバイアス調整方法 |
| US8447260B2 (en) * | 2007-12-12 | 2013-05-21 | Broadcom Corporation | Method and system for on-demand receiver supply voltage and current |
| US20100125580A1 (en) * | 2008-11-04 | 2010-05-20 | Westen Peter T | Automatic buddy management |
| JP2010141695A (ja) * | 2008-12-12 | 2010-06-24 | Panasonic Corp | 高周波回路 |
| US8237504B1 (en) * | 2009-02-05 | 2012-08-07 | Lockheed Martin Corporation | Microwave variable power solid state power amplifier (SSPA) with constant efficiency and linearity |
| CN101605388A (zh) | 2009-07-09 | 2009-12-16 | 中兴通讯股份有限公司 | 一种降低手机射频功耗的电路及方法 |
| US8254862B2 (en) | 2009-12-29 | 2012-08-28 | Silicon Laboratories Inc. | Configurable radio front end |
| US8463215B2 (en) | 2009-12-29 | 2013-06-11 | Silicon Laboratories Inc. | Integrating components in a radio tuner integrated circuit (IC) for a tracking filter |
| KR101101541B1 (ko) | 2010-03-23 | 2012-01-02 | 삼성전기주식회사 | 증폭 제어 회로 |
| US8818309B2 (en) | 2011-03-28 | 2014-08-26 | Silicon Laboratories Inc. | Providing multiple inductors for a radio tuner |
| CN103312350A (zh) * | 2012-03-09 | 2013-09-18 | 联想(北京)有限公司 | 电源管理方法和通信设备 |
| US8666339B2 (en) * | 2012-03-29 | 2014-03-04 | Triquint Semiconductor, Inc. | Radio frequency power amplifier with low dynamic error vector magnitude |
| US9231655B2 (en) | 2012-04-06 | 2016-01-05 | Broadcom Corporation | System and method for power control in a physical layer device |
| CN102969995B (zh) * | 2012-11-23 | 2015-05-06 | 锐迪科创微电子(北京)有限公司 | 应用于线性模式功率放大器的动态偏置控制电路 |
| CN104038241A (zh) * | 2013-03-06 | 2014-09-10 | 联想(北京)有限公司 | 一种增益调整方法及电子设备 |
| US9264080B2 (en) | 2014-01-31 | 2016-02-16 | Silicon Laboratories Inc. | Reducing second order distortion in an amplifier |
| KR102310798B1 (ko) * | 2014-05-08 | 2021-10-12 | 삼성전자주식회사 | Pa 바이어스를 제어하는 장치 및 그 방법 |
| BR112017017467A2 (pt) * | 2015-02-20 | 2018-04-10 | Ericsson Telefon Ab L M | método e unidade de rádio para controlar níveis de potência de transceptores, produto de programa de computador, e, portadora. |
| CN104811218B (zh) * | 2015-03-25 | 2018-06-01 | 张学杰 | 高频无线数据收发设备 |
| KR102049584B1 (ko) * | 2015-03-31 | 2020-01-08 | 주식회사 쏠리드 | 이동통신 중계기 및 그 전원 제어방법 |
| DE102015217695B4 (de) * | 2015-09-16 | 2025-06-12 | Continental Automotive Technologies GmbH | Kommunikationsvorrichtung mit Antennen-Dämpfungskompensation |
| RU2619192C2 (ru) * | 2015-10-22 | 2017-05-12 | Публичное акционерное общество "Радиофизика" | Способ управления усилителем мощности радиочастотного сигнала и приемо-передающий свч-модуль активной фазированной антенной решетки |
| KR102708100B1 (ko) * | 2016-12-26 | 2024-09-23 | 삼성전자주식회사 | 전력 증폭기의 노이즈를 최소화하기 위한 방법 및 전자 장치 |
| DE102017117700C5 (de) * | 2017-08-04 | 2024-10-10 | Continental Automotive Technologies GmbH | Schaltungsanordnung zur Kompensation einer Signaldämpfung bei der Übertragung von Signalen von oder zu einem Mobilfunkgerät und ein zugehöriges Verfahren |
| CN109067384A (zh) * | 2018-09-14 | 2018-12-21 | 北京遥感设备研究所 | 一种隔离度可调开关 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639914A (en) * | 1984-12-06 | 1987-01-27 | At&T Bell Laboratories | Wireless PBX/LAN system with optimum combining |
| GB8828635D0 (en) * | 1988-12-08 | 1989-01-11 | Hewlett Packard Co | Rf amplifier bias circuit |
| JP2746685B2 (ja) * | 1989-09-06 | 1998-05-06 | 富士通株式会社 | 送信出力制御回路 |
| JPH04122129A (ja) * | 1990-09-13 | 1992-04-22 | Hitachi Ltd | 移動無線通信装置 |
| US5101173A (en) * | 1990-11-28 | 1992-03-31 | The United States Of America As Represented By The Secretary Of The Air Force | Stored program controlled module amplifier bias and amplitude/phase compensation apparatus |
| FI87287C (fi) * | 1991-01-15 | 1992-12-10 | Nokia Mobile Phones Ltd | Foerstaerkningsreglering av en agc-foerstaerkare i ett pao tidsmultiplexering baserat radiotelefonsystem |
| US5204970A (en) * | 1991-01-31 | 1993-04-20 | Motorola, Inc. | Communication system capable of adjusting transmit power of a subscriber unit |
| RU2025900C1 (ru) * | 1991-06-28 | 1994-12-30 | Петербургский институт железнодорожного транспорта | Система симплексной радиосвязи с абонентами подвижных объектов |
| KR100240445B1 (ko) * | 1992-12-03 | 2000-01-15 | 구자홍 | 셀룰라폰의 출력신호 조절방법 |
| JPH06326631A (ja) * | 1993-05-17 | 1994-11-25 | Sony Corp | 無線通信機 |
| JPH06334541A (ja) * | 1993-05-25 | 1994-12-02 | Sony Corp | 無線送信機 |
| JPH07212291A (ja) * | 1994-01-19 | 1995-08-11 | Sanyo Electric Co Ltd | 移動無線装置 |
| US5559471A (en) * | 1994-12-21 | 1996-09-24 | Motorola, Inc. | Amplifier and biasing circuit therefor |
| US5627857A (en) * | 1995-09-15 | 1997-05-06 | Qualcomm Incorporated | Linearized digital automatic gain control |
| JPH09148986A (ja) * | 1995-11-24 | 1997-06-06 | Oki Electric Ind Co Ltd | 移動局の電力制御システム |
| US5933455A (en) * | 1997-05-28 | 1999-08-03 | Advanced Micro Devices, Inc. | Data slicer for demodulated binary FSK signals in a time division duplex radio environment |
| US6134430A (en) * | 1997-12-09 | 2000-10-17 | Younis; Saed G. | Programmable dynamic range receiver with adjustable dynamic range analog to digital converter |
| KR19980019353A (ko) * | 1998-03-10 | 1998-06-05 | 배종섭 | 이동통신 단말기의 출력 자동 조절 장치 및 방법(apparatus for automatically controlling the output of a terminal for mobile communication and method therefor) |
-
1998
- 1998-06-23 KR KR10-1998-0023776A patent/KR100357619B1/ko not_active Expired - Lifetime
-
1999
- 1999-06-23 CA CA002298711A patent/CA2298711C/en not_active Expired - Lifetime
- 1999-06-23 DE DE69932988T patent/DE69932988T2/de not_active Expired - Lifetime
- 1999-06-23 EP EP99931576A patent/EP0997005B1/de not_active Expired - Lifetime
- 1999-06-23 ES ES99931576T patent/ES2270608T3/es not_active Expired - Lifetime
- 1999-06-23 IL IL13429299A patent/IL134292A/en not_active IP Right Cessation
- 1999-06-23 AU AU48029/99A patent/AU727713B2/en not_active Expired
- 1999-06-23 CN CN99800999A patent/CN1272979A/zh active Pending
- 1999-06-23 RU RU2000104283/09A patent/RU2160502C1/ru active
- 1999-06-23 WO PCT/KR1999/000332 patent/WO1999067888A1/en not_active Ceased
- 1999-06-23 AT AT99931576T patent/ATE338386T1/de not_active IP Right Cessation
- 1999-06-23 US US09/338,791 patent/US6356745B1/en not_active Expired - Lifetime
- 1999-06-23 AR ARP990103010A patent/AR018926A1/es active IP Right Grant
- 1999-06-23 BR BR9906550-9A patent/BR9906550A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR9906550A (pt) | 2000-08-15 |
| KR100357619B1 (ko) | 2003-01-15 |
| CN1272979A (zh) | 2000-11-08 |
| AU4802999A (en) | 2000-01-10 |
| DE69932988T2 (de) | 2006-12-21 |
| EP0997005A1 (de) | 2000-05-03 |
| ES2270608T3 (es) | 2007-04-01 |
| RU2160502C1 (ru) | 2000-12-10 |
| ATE338386T1 (de) | 2006-09-15 |
| EP0997005B1 (de) | 2006-08-30 |
| US6356745B1 (en) | 2002-03-12 |
| KR20000002839A (ko) | 2000-01-15 |
| IL134292A0 (en) | 2001-04-30 |
| CA2298711A1 (en) | 1999-12-29 |
| CA2298711C (en) | 2003-12-09 |
| WO1999067888A1 (en) | 1999-12-29 |
| DE69932988D1 (de) | 2006-10-12 |
| AU727713B2 (en) | 2000-12-21 |
| AR018926A1 (es) | 2001-12-12 |
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