TW200509580A - Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers - Google Patents

Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers

Info

Publication number
TW200509580A
TW200509580A TW093123558A TW93123558A TW200509580A TW 200509580 A TW200509580 A TW 200509580A TW 093123558 A TW093123558 A TW 093123558A TW 93123558 A TW93123558 A TW 93123558A TW 200509580 A TW200509580 A TW 200509580A
Authority
TW
Taiwan
Prior art keywords
stage
discrete
modulator
bit
coupled
Prior art date
Application number
TW093123558A
Other languages
English (en)
Other versions
TWI277308B (en
Inventor
Venkatesh Vadde
Kiran Kuchi
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Publication of TW200509580A publication Critical patent/TW200509580A/zh
Application granted granted Critical
Publication of TWI277308B publication Critical patent/TWI277308B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
TW093123558A 2003-08-07 2004-08-06 Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers TWI277308B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49321403P 2003-08-07 2003-08-07

Publications (2)

Publication Number Publication Date
TW200509580A true TW200509580A (en) 2005-03-01
TWI277308B TWI277308B (en) 2007-03-21

Family

ID=34135214

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093123558A TWI277308B (en) 2003-08-07 2004-08-06 Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers

Country Status (3)

Country Link
US (1) US7539269B2 (zh)
TW (1) TWI277308B (zh)
WO (1) WO2005015732A2 (zh)

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JP4359191B2 (ja) * 2004-06-01 2009-11-04 株式会社日立国際電気 信号生成装置
EP1659703A1 (en) * 2004-11-17 2006-05-24 Alcatel Method and means for decreasing the peak to average power ratio in mobile phones
WO2006060651A2 (en) * 2004-12-02 2006-06-08 New Jersey Institute Of Technology Method and/or system for reduction of papr
US7339884B2 (en) * 2004-12-08 2008-03-04 New Jersey Institute Of Technology STBC MIMO-OFDM peak-to-average power ratio reduction by cross-antenna rotation and inversion
US7529323B2 (en) * 2005-06-06 2009-05-05 The Aerospace Corporation Quaternary precoded continuous phase modulation soft bit metric demodulator
US8995411B2 (en) * 2006-07-25 2015-03-31 Broadcom Corporation Method and system for content-aware mapping/error protection using different spatial streams
JP5006403B2 (ja) * 2006-10-27 2012-08-22 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 無線周波数増幅器のスイッチ変調
US7701286B2 (en) * 2007-05-21 2010-04-20 Hypres, Inc. Multibit digital amplifier for radio-frequency transmission
WO2009005427A1 (en) * 2007-07-02 2009-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive modulation scheme for multipath wireless channels
EP2071788A1 (en) * 2007-12-13 2009-06-17 Alcatel Lucent Method of providing a multi-carrier signal and transmitter
CN101340415B (zh) * 2008-06-30 2012-07-04 北京新岸线移动通信技术有限公司 用于正交频分复用系统的多路复用装置及方法
JP5429298B2 (ja) * 2009-10-06 2014-02-26 富士通株式会社 ＰＡＰＲ（Ｐｅａｋ−ｔｏ−ＡｖｅｒａｇｅＰｏｗｅｒＲａｔｉｏ）決定装置及び通信装置
US8659354B2 (en) 2010-04-14 2014-02-25 Telefonaktiebolaget L M Ericsson (Publ) Power-amplifier arrangement
CN105634570B (zh) 2010-12-10 2019-02-15 太阳专利托管公司 信号生成方法及信号生成装置
US8605822B2 (en) * 2011-03-04 2013-12-10 Electronics & Telecommunications Research Institute Apparatus and method for transmitting and receiving data
US20140029697A1 (en) * 2012-07-24 2014-01-30 Qualcomm Incorporated GMSK-Based Modulation in a Wireless Local Area Network
CN104854791B (zh) 2012-10-01 2017-09-22 瑞典爱立信有限公司 Aas传送器失真改进
JP6586418B2 (ja) * 2013-08-21 2019-10-02 マイリオタ ピーティーワイ エルティーディーＭｙｒｉｏｔａ Ｐｔｙ Ｌｔｄ マルチユーザ通信システム
JP6837280B2 (ja) * 2013-09-02 2021-03-03 大成化工株式会社 シリンジセット
US10567014B2 (en) 2016-10-31 2020-02-18 The Johns Hopkins University High power transmission using multi-tone signals
CN115102816B (zh) * 2022-06-16 2023-11-03 上海道生物联技术有限公司 一种基于fsk的混合调制信号相位过渡方法及系统

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US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
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Also Published As

Publication number Publication date
WO2005015732A3 (en) 2005-06-09
US20070098109A1 (en) 2007-05-03
US7539269B2 (en) 2009-05-26
TWI277308B (en) 2007-03-21
WO2005015732A2 (en) 2005-02-17

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MM4A Annulment or lapse of patent due to non-payment of fees