WO2009041428A1 - 無線通信装置および無線通信装置の送信制御方法 - Google Patents
無線通信装置および無線通信装置の送信制御方法 Download PDFInfo
- Publication number
- WO2009041428A1 WO2009041428A1 PCT/JP2008/067180 JP2008067180W WO2009041428A1 WO 2009041428 A1 WO2009041428 A1 WO 2009041428A1 JP 2008067180 W JP2008067180 W JP 2008067180W WO 2009041428 A1 WO2009041428 A1 WO 2009041428A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- communication device
- radio communication
- control method
- modulated signal
- transmission control
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000003321 amplification Effects 0.000 abstract 4
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 4
Classifications
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- 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
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
-
- 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
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
-
- 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
- H03F3/72—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
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0483—Transmitters with multiple parallel paths
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/408—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising three power stages
-
- 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7215—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch at the input of the 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7221—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch at the output of the 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7236—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers by (a ) switch(es)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/045—Circuits with power amplifiers with means for improving efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Abstract
マルチキャリアで変調された変調信号を送信する無線通信装置において、変調信号を増幅可能な少なくとも二つの使用電力の異なる増幅経路A1,A2と、少なくとも二つの増幅経路A1,A2から一つの増幅経路を選択する選択部15,16と、変調信号内のサブキャリア数に応じて、選択部15,16により一つの増幅経路を選択して、該選択した増幅経路により変調信号を増幅するよう制御する制御部3と、を備える。これにより、消費電力を効率よく低減する。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/680,136 US20100208638A1 (en) | 2007-09-26 | 2008-09-24 | Wireless communication apparatus and transmission control method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-249802 | 2007-09-26 | ||
JP2007249802A JP2009081692A (ja) | 2007-09-26 | 2007-09-26 | 無線通信装置および無線通信装置の送信制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009041428A1 true WO2009041428A1 (ja) | 2009-04-02 |
Family
ID=40511312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/067180 WO2009041428A1 (ja) | 2007-09-26 | 2008-09-24 | 無線通信装置および無線通信装置の送信制御方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100208638A1 (ja) |
JP (1) | JP2009081692A (ja) |
WO (1) | WO2009041428A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8742842B2 (en) | 2012-08-21 | 2014-06-03 | Nokia Siemens Networks Oy | High efficiency power amplifier architecture for off-peak traffic hours |
US9160277B2 (en) * | 2012-09-14 | 2015-10-13 | Aviacomm Inc. | High efficiency and high linearity adaptive power amplifier for signals with high PAPR |
JP2019092131A (ja) | 2017-11-17 | 2019-06-13 | 株式会社村田製作所 | 電力増幅モジュール |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000209049A (ja) * | 1998-12-29 | 2000-07-28 | Conexant Syst Inc | 通信装置内の増幅器を選択するシステムおよび方法 |
JP2001217661A (ja) * | 2000-02-01 | 2001-08-10 | Sony Corp | 無線送信装置、無線送受信装置及び増幅装置 |
JP2001244828A (ja) * | 2000-03-02 | 2001-09-07 | Hitachi Kokusai Electric Inc | 電力増幅器 |
JP2002368716A (ja) * | 2001-06-12 | 2002-12-20 | Nippon Hoso Kyokai <Nhk> | Ofdm高能率電力増幅器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4885798A (en) * | 1987-01-28 | 1989-12-05 | Rockwell International Corporation | Power consumption control apparatus |
US7366485B2 (en) * | 2004-03-04 | 2008-04-29 | Matsushita Electric Industrial Co., Ltd. | Multimode wireless transmitter and a portable wireless device using the same |
KR100720633B1 (ko) * | 2005-12-26 | 2007-05-21 | 엘지노텔 주식회사 | 컴바인 트랙킹기능이 구비된 이동통신시스템의 송신장치 및그 제어방법 |
-
2007
- 2007-09-26 JP JP2007249802A patent/JP2009081692A/ja not_active Withdrawn
-
2008
- 2008-09-24 US US12/680,136 patent/US20100208638A1/en not_active Abandoned
- 2008-09-24 WO PCT/JP2008/067180 patent/WO2009041428A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000209049A (ja) * | 1998-12-29 | 2000-07-28 | Conexant Syst Inc | 通信装置内の増幅器を選択するシステムおよび方法 |
JP2001217661A (ja) * | 2000-02-01 | 2001-08-10 | Sony Corp | 無線送信装置、無線送受信装置及び増幅装置 |
JP2001244828A (ja) * | 2000-03-02 | 2001-09-07 | Hitachi Kokusai Electric Inc | 電力増幅器 |
JP2002368716A (ja) * | 2001-06-12 | 2002-12-20 | Nippon Hoso Kyokai <Nhk> | Ofdm高能率電力増幅器 |
Also Published As
Publication number | Publication date |
---|---|
JP2009081692A (ja) | 2009-04-16 |
US20100208638A1 (en) | 2010-08-19 |
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