WO2009109808A2 - Baseband-derived rf digital predistortion - Google Patents
Baseband-derived rf digital predistortion Download PDFInfo
- Publication number
- WO2009109808A2 WO2009109808A2 PCT/IB2008/003944 IB2008003944W WO2009109808A2 WO 2009109808 A2 WO2009109808 A2 WO 2009109808A2 IB 2008003944 W IB2008003944 W IB 2008003944W WO 2009109808 A2 WO2009109808 A2 WO 2009109808A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- predistortion
- baseband
- output
- signal
- delay
- Prior art date
Links
- 238000004364 calculation method Methods 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000003446 memory effect Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 6
- 238000013459 approach Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 229920005994 diacetyl cellulose Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- 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
- H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
-
- 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
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- 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
- H03F1/3294—Acting on the real and imaginary components of the input signal
-
- 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
-
- 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
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03343—Arrangements at the transmitter end
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
-
- 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
- H03F2200/57—Separate feedback of real and complex signals being present
-
- 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
- H03F2201/3224—Predistortion being done for compensating memory effects
-
- 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
- H03F2201/3233—Adaptive predistortion using lookup table, e.g. memory, RAM, ROM, LUT, to generate the predistortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03356—Baseband transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03477—Tapped delay lines not time-recursive
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010536550A JP5250636B2 (en) | 2007-12-07 | 2008-12-08 | Baseband derived RF digital predistortion |
CN200880126324.2A CN102150361B (en) | 2007-12-07 | 2008-12-08 | The RF digital pre-distortion that base band derives |
KR1020107015019A KR101669173B1 (en) | 2007-12-07 | 2008-12-08 | Baseband-derived wideband rf digital predistortion system |
EP08873193.0A EP2248255A4 (en) | 2007-12-07 | 2008-12-08 | Baseband-derived rf digital predistortion |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1241607P | 2007-12-07 | 2007-12-07 | |
US61/012,416 | 2007-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009109808A2 true WO2009109808A2 (en) | 2009-09-11 |
WO2009109808A3 WO2009109808A3 (en) | 2011-04-28 |
Family
ID=40720999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2008/003944 WO2009109808A2 (en) | 2007-12-07 | 2008-12-08 | Baseband-derived rf digital predistortion |
Country Status (6)
Country | Link |
---|---|
US (3) | US8213884B2 (en) |
EP (1) | EP2248255A4 (en) |
JP (1) | JP5250636B2 (en) |
KR (1) | KR101669173B1 (en) |
CN (1) | CN102150361B (en) |
WO (1) | WO2009109808A2 (en) |
Cited By (4)
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US11129076B2 (en) | 2006-12-26 | 2021-09-21 | Dali Wireless, Inc. | Method and system for baseband predistortion linearization in multi-channel wideband communication systems |
US11159129B2 (en) | 2002-05-01 | 2021-10-26 | Dali Wireless, Inc. | Power amplifier time-delay invariant predistortion methods and apparatus |
US11418155B2 (en) | 2002-05-01 | 2022-08-16 | Dali Wireless, Inc. | Digital hybrid mode power amplifier system |
US20220295487A1 (en) | 2010-09-14 | 2022-09-15 | Dali Wireless, Inc. | Remotely reconfigurable distributed antenna system and methods |
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CN102150361B (en) | 2007-12-07 | 2016-11-09 | 大力系统有限公司 | The RF digital pre-distortion that base band derives |
US20100323641A1 (en) * | 2009-06-22 | 2010-12-23 | Qualcomm Incorporated | Method and apparatus for using pre-distortion and feedback to mitigate nonlinearity of circuits |
US8351543B2 (en) * | 2009-12-21 | 2013-01-08 | Ubidyne, Inc. | Active antenna array with modulator-based pre-distortion |
US8542768B2 (en) | 2009-12-21 | 2013-09-24 | Dali Systems Co. Ltd. | High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications |
CN106160674A (en) | 2009-12-21 | 2016-11-23 | 大力系统有限公司 | For improving the system of the isolation between transmitter and receiver |
US8351877B2 (en) | 2010-12-21 | 2013-01-08 | Dali Systems Co. Ltfd. | Multi-band wideband power amplifier digital predistorition system and method |
WO2011077247A2 (en) | 2009-12-21 | 2011-06-30 | Dali Systems Co. Ltd | Modulation agnostic digital hybrid mode power amplifier system and method |
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KR20100108546A (en) | 2010-10-07 |
CN102150361B (en) | 2016-11-09 |
JP2011511493A (en) | 2011-04-07 |
JP5250636B2 (en) | 2013-07-31 |
US8548403B2 (en) | 2013-10-01 |
US20090146736A1 (en) | 2009-06-11 |
US8213884B2 (en) | 2012-07-03 |
US20130214861A1 (en) | 2013-08-22 |
EP2248255A4 (en) | 2014-05-28 |
CN102150361A (en) | 2011-08-10 |
WO2009109808A3 (en) | 2011-04-28 |
US8401499B2 (en) | 2013-03-19 |
EP2248255A2 (en) | 2010-11-10 |
US20120230382A1 (en) | 2012-09-13 |
KR101669173B1 (en) | 2016-10-25 |
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