ATE371994T1 - Verfahren und vorrichtung zum optimieren des wirkungsgrads eines senders - Google Patents

Verfahren und vorrichtung zum optimieren des wirkungsgrads eines senders

Info

Publication number
ATE371994T1
ATE371994T1 AT03779613T AT03779613T ATE371994T1 AT E371994 T1 ATE371994 T1 AT E371994T1 AT 03779613 T AT03779613 T AT 03779613T AT 03779613 T AT03779613 T AT 03779613T AT E371994 T1 ATE371994 T1 AT E371994T1
Authority
AT
Austria
Prior art keywords
signal
peak
power
power amplifier
signal value
Prior art date
Application number
AT03779613T
Other languages
English (en)
Inventor
Wen-Yen Chan
Xin Jin
Qing Jiao
Original Assignee
Research In Motion Ltd
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 Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE371994T1 publication Critical patent/ATE371994T1/de

Links

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]
    • H04W52/52—Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
  • Semiconductor Lasers (AREA)
AT03779613T 2002-12-02 2003-12-02 Verfahren und vorrichtung zum optimieren des wirkungsgrads eines senders ATE371994T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43029302P 2002-12-02 2002-12-02

Publications (1)

Publication Number Publication Date
ATE371994T1 true ATE371994T1 (de) 2007-09-15

Family

ID=32469441

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03779613T ATE371994T1 (de) 2002-12-02 2003-12-02 Verfahren und vorrichtung zum optimieren des wirkungsgrads eines senders

Country Status (7)

Country Link
US (4) US7471738B2 (de)
EP (1) EP1568151B1 (de)
AT (1) ATE371994T1 (de)
AU (1) AU2003287816A1 (de)
CA (1) CA2506512C (de)
DE (2) DE03779613T1 (de)
WO (1) WO2004051843A2 (de)

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US8948713B2 (en) * 2009-06-16 2015-02-03 Broadcom Corporation Antenna impedance/power amplifier source impedance measurement circuitry and device operation based thereon
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US8620238B2 (en) 2010-07-23 2013-12-31 Blackberry Limited Method of power amplifier switching power control using post power amplifier power detection
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DE102012223662B4 (de) * 2012-12-18 2017-12-14 TRUMPF Hüttinger GmbH + Co. KG Verfahren zur Erzeugung einer Hochfrequenzleistung und Leistungsversorgungssystem mit einem Leistungswandler zur Versorgung einer Last mit Leistung
US9847676B2 (en) * 2013-09-27 2017-12-19 Intel IP Corporation Power saving technique for digital to time converters
CN106773644B (zh) * 2016-11-18 2017-09-29 国网山东省电力公司电力科学研究院 一种基于供热抽汽量变化的agc控制系统及其方法
CN107769739A (zh) * 2017-10-16 2018-03-06 广州慧智微电子有限公司 射频功率放大电路
KR102098913B1 (ko) * 2018-08-30 2020-04-08 성균관대학교 산학협력단 Papr 기반 통신 방법 및 이를 이용한 송신 장치와 수신 장치
WO2022138001A1 (ja) * 2020-12-21 2022-06-30 株式会社村田製作所 高周波回路、高周波モジュールおよび通信装置
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US11870512B2 (en) 2022-04-27 2024-01-09 Samsung Electronics Co., Ltd. Distributed closed-loop power control with VGA gain update

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Also Published As

Publication number Publication date
US8098761B2 (en) 2012-01-17
CA2506512A1 (en) 2004-06-17
US7852968B2 (en) 2010-12-14
CA2506512C (en) 2010-05-11
US20110053533A1 (en) 2011-03-03
US8599963B2 (en) 2013-12-03
EP1568151B1 (de) 2007-08-29
DE60316022T2 (de) 2008-06-05
AU2003287816A1 (en) 2004-06-23
DE60316022D1 (de) 2007-10-11
US7471738B2 (en) 2008-12-30
WO2004051843A3 (en) 2004-11-04
US20090074107A1 (en) 2009-03-19
DE03779613T1 (de) 2006-03-23
US20120087441A1 (en) 2012-04-12
HK1080228A1 (en) 2006-04-21
US20040208260A1 (en) 2004-10-21
EP1568151A2 (de) 2005-08-31
AU2003287816A8 (en) 2004-06-23
WO2004051843A2 (en) 2004-06-17

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