GB2529566A - Energy-efficient mode-switch power amplifier set - Google Patents

Energy-efficient mode-switch power amplifier set Download PDF

Info

Publication number
GB2529566A
GB2529566A GB1516779.4A GB201516779A GB2529566A GB 2529566 A GB2529566 A GB 2529566A GB 201516779 A GB201516779 A GB 201516779A GB 2529566 A GB2529566 A GB 2529566A
Authority
GB
United Kingdom
Prior art keywords
mode
energy
power amplifier
switch power
efficient mode
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.)
Withdrawn
Application number
GB1516779.4A
Other versions
GB201516779D0 (en
Inventor
Stephen Wang
Konstantinos Mimis
Justin Coon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe 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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Publication of GB201516779D0 publication Critical patent/GB201516779D0/en
Publication of GB2529566A publication Critical patent/GB2529566A/en
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21109—An input signal being distributed by switching to a plurality of paralleled power amplifiers

Abstract

An amplifier device comprises two modes of operation. In a first mode, the amplifier device operates in a wideband mode, whereas in a second mode the amplifier operates in a narrowband mode. Switching in the amplifier device provides antenna selection, in either mode. Control of mode and antenna selection is carried out with reference to a probability based optimisation, as to whether changing mode and/or antenna selection will improve efficiency. By that, the energy consumption associated with switching can be accommodated in the optimisation, thereby offering an improvement to efficiency.
GB1516779.4A 2013-03-28 2013-03-28 Energy-efficient mode-switch power amplifier set Withdrawn GB2529566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2013/050849 WO2014155029A1 (en) 2013-03-28 2013-03-28 Energy-efficient mode-switch power amplifier set

Publications (2)

Publication Number Publication Date
GB201516779D0 GB201516779D0 (en) 2015-11-04
GB2529566A true GB2529566A (en) 2016-02-24

Family

ID=48083557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1516779.4A Withdrawn GB2529566A (en) 2013-03-28 2013-03-28 Energy-efficient mode-switch power amplifier set

Country Status (5)

Country Link
US (1) US20160056767A1 (en)
JP (1) JP2016514915A (en)
CN (1) CN105164917A (en)
GB (1) GB2529566A (en)
WO (1) WO2014155029A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292053B1 (en) * 1999-11-10 2001-09-18 Lucent Technologies Inc. Power amplifier system
US20070135067A1 (en) * 2005-12-13 2007-06-14 Samsung Electronics Co., Ltd. Apparatus for configuring portable communication system using multipath power amplifier
US20110210787A1 (en) * 2010-02-03 2011-09-01 Woo Yong Lee Switchless band separation for transceivers
JP2012060405A (en) * 2010-09-08 2012-03-22 Toshiba Corp Amplifier and amplifier control method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02200018A (en) * 1989-01-30 1990-08-08 Nippon Telegr & Teleph Corp <Ntt> Diversity branch switching control system
JP5026207B2 (en) * 2007-09-27 2012-09-12 株式会社エヌ・ティ・ティ・ドコモ Base station apparatus, user apparatus, and communication control method
US8971830B2 (en) * 2009-05-12 2015-03-03 Qualcomm Incorporated Multi-mode multi-band power amplifier module
KR20120105558A (en) * 2010-01-07 2012-09-25 인터디지탈 패튼 홀딩스, 인크 Method and apparatus for performing uplink antenna transmit diversity
JPWO2012098863A1 (en) * 2011-01-20 2014-06-09 パナソニック株式会社 High frequency power amplifier
US20120202561A1 (en) * 2011-02-07 2012-08-09 Qualcomm Incorporated Cdma transceiver with cdma diversity receiver path shared with time duplexed receiver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292053B1 (en) * 1999-11-10 2001-09-18 Lucent Technologies Inc. Power amplifier system
US20070135067A1 (en) * 2005-12-13 2007-06-14 Samsung Electronics Co., Ltd. Apparatus for configuring portable communication system using multipath power amplifier
US20110210787A1 (en) * 2010-02-03 2011-09-01 Woo Yong Lee Switchless band separation for transceivers
JP2012060405A (en) * 2010-09-08 2012-03-22 Toshiba Corp Amplifier and amplifier control method

Also Published As

Publication number Publication date
CN105164917A (en) 2015-12-16
JP2016514915A (en) 2016-05-23
US20160056767A1 (en) 2016-02-25
GB201516779D0 (en) 2015-11-04
WO2014155029A1 (en) 2014-10-02

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GB2529566A (en) Energy-efficient mode-switch power amplifier set

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)