CN102437838B - 由功率放大器传输信号 - Google Patents
由功率放大器传输信号 Download PDFInfo
- Publication number
- CN102437838B CN102437838B CN201110260393.6A CN201110260393A CN102437838B CN 102437838 B CN102437838 B CN 102437838B CN 201110260393 A CN201110260393 A CN 201110260393A CN 102437838 B CN102437838 B CN 102437838B
- Authority
- CN
- China
- Prior art keywords
- signal
- filter
- indicated value
- pulse shaping
- predictive
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
- H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
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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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
- H03G11/008—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general of digital or coded signals
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3411—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power reducing the peak to average power ratio or the mean power of the constellation; Arrangements for increasing the shape gain of a signal set
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3206—Multiple channels are combined and amplified by only one amplifier
-
- 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
Abstract
Description
Claims (23)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1014659.5A GB2483290B (en) | 2010-09-03 | 2010-09-03 | Transmitting a signal from a power amplifier |
GB1014659.5 | 2010-09-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102437838A CN102437838A (zh) | 2012-05-02 |
CN102437838B true CN102437838B (zh) | 2015-09-23 |
Family
ID=43037273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110260393.6A Active CN102437838B (zh) | 2010-09-03 | 2011-09-05 | 由功率放大器传输信号 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8385466B2 (zh) |
CN (1) | CN102437838B (zh) |
DE (1) | DE102011082036B4 (zh) |
GB (1) | GB2483290B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2514186B (en) * | 2013-05-17 | 2015-07-29 | Thales Holdings Uk Plc | Digital Complex IF Limiter |
CN103684296A (zh) * | 2013-11-28 | 2014-03-26 | 成都位时通科技有限公司 | 保密性好的放大电路 |
US11140018B2 (en) * | 2014-01-07 | 2021-10-05 | Quantumsine Acquisitions Inc. | Method and apparatus for intra-symbol multi-dimensional modulation |
US10382246B2 (en) * | 2014-01-07 | 2019-08-13 | Quantumsine Acquisitions Inc. | Combined amplitude-time and phase modulation |
US9680454B2 (en) * | 2014-10-28 | 2017-06-13 | Mediatek Inc. | Frequency tripler and local oscillator generator |
US10425267B2 (en) * | 2017-04-27 | 2019-09-24 | Qualcomm Incorporated | Techniques for reducing adjacent channel leakage-power ratio |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621762A (en) * | 1995-06-12 | 1997-04-15 | Motorola, Inc. | Radio with peak power and bandwidth efficient modulation |
CN1303562A (zh) * | 1998-05-29 | 2001-07-11 | 艾利森电话股份有限公司 | 限制传输信号振幅的方法和设备 |
CN1425242A (zh) * | 2000-04-19 | 2003-06-18 | 电力波技术公司 | 在扩频通信系统中降低峰值功率的系统和方法 |
CN1574806A (zh) * | 2003-05-28 | 2005-02-02 | 诺基亚公司 | 全球移动通信系统演进增强数据速率限幅器峰均比降低 |
CN1874330A (zh) * | 2000-06-20 | 2006-12-06 | 电力波技术公司 | 多路载波通信系统中减小峰值功率的系统和方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPQ820000A0 (en) * | 2000-06-20 | 2000-07-13 | Berangi, R. | Peak power reduction schemes for multi-code cdma and critically sampled complex gaussian signals |
WO2006072669A1 (en) * | 2005-01-07 | 2006-07-13 | Nokia Siemens Networks Oy | Clipping of transmission signal |
DE102005038122B4 (de) * | 2005-08-11 | 2009-01-29 | Nokia Siemens Networks Gmbh & Co.Kg | Verfahren und Anordnung zur Vorverzerrung eines Basisband-Eingangssignals |
US7688138B2 (en) * | 2008-03-24 | 2010-03-30 | Harris Corporation | Electronic device having a predistortion filter and related methods |
US8030997B2 (en) * | 2008-11-11 | 2011-10-04 | Philip Brown | Resource efficient adaptive digital pre-distortion system |
US8265196B2 (en) * | 2008-12-23 | 2012-09-11 | Texas Instruments Incorporated | Noise injection circuit and method for signal processing |
US8737523B2 (en) * | 2009-06-04 | 2014-05-27 | Xilinx, Inc. | Apparatus and method for predictive over-drive detection |
JP5761646B2 (ja) * | 2009-12-21 | 2015-08-12 | ダリ システムズ カンパニー リミテッド | 変調アグノスティック(agnostic)デジタルハイブリッドモード電力増幅器のシステム及び方法 |
US8411771B2 (en) * | 2010-05-19 | 2013-04-02 | Qualcomm Incorporated | Predictive clipping in multi-carrier wireless communication systems |
-
2010
- 2010-09-03 GB GB1014659.5A patent/GB2483290B/en active Active
-
2011
- 2011-08-31 US US13/222,471 patent/US8385466B2/en active Active
- 2011-09-02 DE DE102011082036.1A patent/DE102011082036B4/de active Active
- 2011-09-05 CN CN201110260393.6A patent/CN102437838B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621762A (en) * | 1995-06-12 | 1997-04-15 | Motorola, Inc. | Radio with peak power and bandwidth efficient modulation |
CN1303562A (zh) * | 1998-05-29 | 2001-07-11 | 艾利森电话股份有限公司 | 限制传输信号振幅的方法和设备 |
CN1425242A (zh) * | 2000-04-19 | 2003-06-18 | 电力波技术公司 | 在扩频通信系统中降低峰值功率的系统和方法 |
CN1874330A (zh) * | 2000-06-20 | 2006-12-06 | 电力波技术公司 | 多路载波通信系统中减小峰值功率的系统和方法 |
CN1574806A (zh) * | 2003-05-28 | 2005-02-02 | 诺基亚公司 | 全球移动通信系统演进增强数据速率限幅器峰均比降低 |
Also Published As
Publication number | Publication date |
---|---|
GB2483290B (en) | 2015-07-22 |
US20120057650A1 (en) | 2012-03-08 |
DE102011082036B4 (de) | 2016-07-07 |
GB2483290A (en) | 2012-03-07 |
CN102437838A (zh) | 2012-05-02 |
GB201014659D0 (en) | 2010-10-20 |
US8385466B2 (en) | 2013-02-26 |
DE102011082036A1 (de) | 2012-03-08 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HUIDA TECHNOLOGY ENGLAND CO., LTD. Free format text: FORMER OWNER: ICERA INC. Effective date: 20130122 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20130122 Address after: London, England Applicant after: ICERA Inc. Address before: Delaware Applicant before: Icera Inc. Effective date of registration: 20130122 Address after: Delaware Applicant after: Icera Inc. Address before: Delaware Applicant before: Icera Inc. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant |