WO2008155610A3 - Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance - Google Patents
Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance Download PDFInfo
- Publication number
- WO2008155610A3 WO2008155610A3 PCT/IB2008/000996 IB2008000996W WO2008155610A3 WO 2008155610 A3 WO2008155610 A3 WO 2008155610A3 IB 2008000996 W IB2008000996 W IB 2008000996W WO 2008155610 A3 WO2008155610 A3 WO 2008155610A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- delay
- time
- power amplifier
- compensation
- architecture
- Prior art date
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
- H03F1/32—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
- 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
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Un mode de réalisation de l'invention est une approche par prédistorsion indépendante du temps de propagation pour linéariser des amplificateurs de puissance dans des émetteurs RF sans fil. L'architecture de prédistorsion est basée sur le principe de compensation stockée ou de compensation par mémoire par l'utilisation d'un procédé d'adressage par temps de propagation combiné, et en conséquence, l'architecture a une fonction de compensation de temps de propagation intrinsèque, à auto-étalonnage. L'architecture de prédistorsion utilise seulement une table de consultation pour effectuer à la fois la correction de réponses non linéaires d'un amplificateur de puissance et la compensation de n'importe quels effets de temps de propagation présentés dans le même système. En raison de la caractéristique indépendante du temps de propagation, la conception de prédistorsion a un avantage de traitement de plus large gamme dynamique pour des signaux RF sans fil, et peut donc être mise en œuvre dans des systèmes sans fil multi-porteuses et multi-canaux.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200880003130.3A CN101606315B (zh) | 2007-01-26 | 2008-01-28 | 功率放大器时间延迟不变的预失真方法和装置 |
EP08806836A EP2118999A4 (fr) | 2007-01-26 | 2008-01-28 | Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89774607P | 2007-01-26 | 2007-01-26 | |
US60/897,746 | 2007-01-26 | ||
US89831207P | 2007-01-29 | 2007-01-29 | |
US60/898,312 | 2007-01-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008155610A2 WO2008155610A2 (fr) | 2008-12-24 |
WO2008155610A3 true WO2008155610A3 (fr) | 2009-04-30 |
Family
ID=40156746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2008/000996 WO2008155610A2 (fr) | 2007-01-26 | 2008-01-28 | Procédés et appareil de prédistorsion indépendante du temps de propagation d'un amplificateur de puissance |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2118999A4 (fr) |
CN (2) | CN103997301B (fr) |
WO (1) | WO2008155610A2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
US8380143B2 (en) | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
KR20100014339A (ko) | 2006-12-26 | 2010-02-10 | 달리 시스템즈 씨오. 엘티디. | 다중 채널 광대역 통신 시스템에서의 기저 대역 전치 왜곡 선형화를 위한 방법 및 시스템 |
CN103597807B (zh) | 2010-09-14 | 2015-09-30 | 大理系统有限公司 | 远程可重新配置的分布式天线系统和方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5959499A (en) * | 1997-09-30 | 1999-09-28 | Motorola, Inc. | Predistortion system and method using analog feedback loop for look-up table training |
US6240144B1 (en) * | 1998-08-06 | 2001-05-29 | Samsung Electronics Co., Ltd. | Apparatus and method of linearizing a power amplifier in a mobile radio communication system |
US20060046665A1 (en) * | 2002-05-01 | 2006-03-02 | Dali Yang | System and method for digital memorized predistortion for wireless communication |
US7109792B2 (en) * | 2003-09-17 | 2006-09-19 | Andrew Corporation | Table-based pre-distortion for amplifier systems |
US20070241812A1 (en) * | 2002-05-01 | 2007-10-18 | Dali Systems Co. Ltd. | High efficiency linearization power amplifier for wireless communication |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7035345B2 (en) * | 2001-06-08 | 2006-04-25 | Polyvalor S.E.C. | Adaptive predistortion device and method using digital receiver |
US6657510B2 (en) * | 2001-11-27 | 2003-12-02 | Harris Corporation | Corrective phase quadrature modulator system and method |
US6998909B1 (en) * | 2004-02-17 | 2006-02-14 | Altera Corporation | Method to compensate for memory effect in lookup table based digital predistorters |
-
2008
- 2008-01-28 WO PCT/IB2008/000996 patent/WO2008155610A2/fr active Application Filing
- 2008-01-28 CN CN201410199319.1A patent/CN103997301B/zh active Active
- 2008-01-28 EP EP08806836A patent/EP2118999A4/fr not_active Withdrawn
- 2008-01-28 CN CN200880003130.3A patent/CN101606315B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5959499A (en) * | 1997-09-30 | 1999-09-28 | Motorola, Inc. | Predistortion system and method using analog feedback loop for look-up table training |
US6240144B1 (en) * | 1998-08-06 | 2001-05-29 | Samsung Electronics Co., Ltd. | Apparatus and method of linearizing a power amplifier in a mobile radio communication system |
US20060046665A1 (en) * | 2002-05-01 | 2006-03-02 | Dali Yang | System and method for digital memorized predistortion for wireless communication |
US20070241812A1 (en) * | 2002-05-01 | 2007-10-18 | Dali Systems Co. Ltd. | High efficiency linearization power amplifier for wireless communication |
US7109792B2 (en) * | 2003-09-17 | 2006-09-19 | Andrew Corporation | Table-based pre-distortion for amplifier systems |
Non-Patent Citations (1)
Title |
---|
See also references of EP2118999A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN103997301B (zh) | 2018-09-28 |
EP2118999A4 (fr) | 2010-01-27 |
EP2118999A2 (fr) | 2009-11-18 |
CN101606315A (zh) | 2009-12-16 |
CN101606315B (zh) | 2014-07-02 |
CN103997301A (zh) | 2014-08-20 |
WO2008155610A2 (fr) | 2008-12-24 |
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