CA2815438A1 - Non-linear model with tap output normalization - Google Patents
Non-linear model with tap output normalization Download PDFInfo
- Publication number
- CA2815438A1 CA2815438A1 CA2815438A CA2815438A CA2815438A1 CA 2815438 A1 CA2815438 A1 CA 2815438A1 CA 2815438 A CA2815438 A CA 2815438A CA 2815438 A CA2815438 A CA 2815438A CA 2815438 A1 CA2815438 A1 CA 2815438A1
- Authority
- CA
- Canada
- Prior art keywords
- model
- data samples
- distortion
- predistortion
- basis function
- 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.)
- Abandoned
Links
- 238000010606 normalization Methods 0.000 title claims abstract description 44
- 230000006870 function Effects 0.000 claims abstract description 129
- 238000005070 sampling Methods 0.000 claims description 42
- 230000009021 linear effect Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 description 34
- 238000013459 approach Methods 0.000 description 23
- 238000011156 evaluation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000003446 memory effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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
- H03F1/3247—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
- H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2010/055193 WO2012066382A1 (en) | 2010-11-16 | 2010-11-16 | Non-linear model with tap output normalization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2815438A1 true CA2815438A1 (en) | 2012-05-24 |
Family
ID=44063457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2815438A Abandoned CA2815438A1 (en) | 2010-11-16 | 2010-11-16 | Non-linear model with tap output normalization |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8390376B2 (enExample) |
| EP (1) | EP2641327B8 (enExample) |
| JP (1) | JP5753272B2 (enExample) |
| CN (1) | CN103201949B (enExample) |
| CA (1) | CA2815438A1 (enExample) |
| WO (1) | WO2012066382A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111901846A (zh) * | 2020-07-31 | 2020-11-06 | 浙江鑫网能源工程有限公司 | 采用多个NB-IoT节点网关的自组网系统 |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120195392A1 (en) * | 2011-02-02 | 2012-08-02 | Provigent Ltd. | Predistortion in split-mount wireless communication systems |
| CN103428133B (zh) * | 2012-05-24 | 2016-09-07 | 富士通株式会社 | 预失真的温度补偿装置、方法、预失真器以及发射机 |
| JP2014049939A (ja) * | 2012-08-31 | 2014-03-17 | Japan Radio Co Ltd | 非線形補償装置 |
| KR101451912B1 (ko) * | 2013-03-22 | 2014-10-22 | (주)아이앤씨테크놀로지 | 전력증폭기 모델을 포함하는 광대역 신호 송신장치 |
| US9628119B2 (en) * | 2014-06-27 | 2017-04-18 | Nxp Usa, Inc. | Adaptive high-order nonlinear function approximation using time-domain volterra series to provide flexible high performance digital pre-distortion |
| US9252821B2 (en) * | 2014-06-27 | 2016-02-02 | Freescale Semiconductor, Inc. | Adaptive high-order nonlinear function approximation using time-domain volterra series to provide flexible high performance digital pre-distortion |
| US9590668B1 (en) * | 2015-11-30 | 2017-03-07 | NanoSemi Technologies | Digital compensator |
| EP3523856A4 (en) | 2016-10-07 | 2020-06-24 | NanoSemi, Inc. | DIGITAL BEAM ORIENTATION PREDISTORSION |
| WO2018156932A1 (en) | 2017-02-25 | 2018-08-30 | Nanosemi, Inc. | Multiband digital predistorter |
| US10141961B1 (en) | 2017-05-18 | 2018-11-27 | Nanosemi, Inc. | Passive intermodulation cancellation |
| US10581470B2 (en) | 2017-06-09 | 2020-03-03 | Nanosemi, Inc. | Linearization system |
| US11115067B2 (en) | 2017-06-09 | 2021-09-07 | Nanosemi, Inc. | Multi-band linearization system |
| US10931318B2 (en) * | 2017-06-09 | 2021-02-23 | Nanosemi, Inc. | Subsampled linearization system |
| WO2019014422A1 (en) | 2017-07-12 | 2019-01-17 | Nanosemi, Inc. | SYSTEMS AND METHODS FOR CONTROLLING RADIOS MADE WITH DIGITAL PREDISTORSION |
| US10075201B1 (en) * | 2017-07-12 | 2018-09-11 | Intel IP Corporation | Adaptive nonlinear system control using robust and low-complexity coefficient estimation |
| US11303251B2 (en) | 2017-10-02 | 2022-04-12 | Nanosemi, Inc. | Digital predistortion adjustment based on determination of load condition characteristics |
| US10644657B1 (en) | 2018-05-11 | 2020-05-05 | Nanosemi, Inc. | Multi-band digital compensator for a non-linear system |
| CN112385142B (zh) | 2018-05-11 | 2024-04-05 | 纳诺塞米有限公司 | 用于非线性系统的数字补偿器 |
| JP2019201361A (ja) | 2018-05-17 | 2019-11-21 | 富士通株式会社 | 歪補償装置および歪補償方法 |
| US10931238B2 (en) | 2018-05-25 | 2021-02-23 | Nanosemi, Inc. | Linearization with envelope tracking or average power tracking |
| US11863210B2 (en) | 2018-05-25 | 2024-01-02 | Nanosemi, Inc. | Linearization with level tracking |
| US10763904B2 (en) | 2018-05-25 | 2020-09-01 | Nanosemi, Inc. | Digital predistortion in varying operating conditions |
| US10985951B2 (en) | 2019-03-15 | 2021-04-20 | The Research Foundation for the State University | Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers |
| CN111865228B (zh) * | 2019-04-30 | 2025-04-01 | 中兴通讯股份有限公司 | 一种信号失真预校正方法及装置、系统及复合系统 |
| US10992326B1 (en) | 2020-05-19 | 2021-04-27 | Nanosemi, Inc. | Buffer management for adaptive digital predistortion |
| WO2021251852A1 (en) * | 2020-06-08 | 2021-12-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Linearization of a non-linear electronic device |
| WO2022176139A1 (ja) * | 2021-02-19 | 2022-08-25 | 三菱電機株式会社 | 歪み補償装置及び電力増幅器 |
| US12003261B2 (en) * | 2021-05-12 | 2024-06-04 | Analog Devices, Inc. | Model architecture search and optimization for hardware |
| US20250055423A1 (en) * | 2021-12-22 | 2025-02-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Digital pre-distorter for non-linear electronic devices |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0465709A1 (de) * | 1990-07-12 | 1992-01-15 | Thomcast Ag | Verfahren zur Kompensation von Nichtlinearitäten einer Verstärkerschaltung |
| US6240278B1 (en) | 1998-07-30 | 2001-05-29 | Motorola, Inc. | Scalar cost function based predistortion linearizing device, method, phone and basestation |
| US6236837B1 (en) | 1998-07-30 | 2001-05-22 | Motorola, Inc. | Polynomial Predistortion linearizing device, method, phone and base station |
| US6798843B1 (en) | 1999-07-13 | 2004-09-28 | Pmc-Sierra, Inc. | Wideband digital predistortion linearizer for nonlinear amplifiers |
| US6260038B1 (en) * | 1999-09-13 | 2001-07-10 | International Businemss Machines Corporation | Clustering mixed attribute patterns |
| US7058369B1 (en) | 2001-11-21 | 2006-06-06 | Pmc-Sierra Inc. | Constant gain digital predistortion controller for linearization of non-linear amplifiers |
| US8811917B2 (en) * | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
| US7149257B2 (en) | 2003-07-03 | 2006-12-12 | Powerwave Technologies, Inc. | Digital predistortion system and method for correcting memory effects within an RF power amplifier |
| US7099399B2 (en) | 2004-01-27 | 2006-08-29 | Crestcom, Inc. | Distortion-managed digital RF communications transmitter and method therefor |
| US7430248B2 (en) | 2004-01-27 | 2008-09-30 | Crestcom, Inc. | Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter |
| US7577211B2 (en) * | 2004-03-01 | 2009-08-18 | Powerwave Technologies, Inc. | Digital predistortion system and method for linearizing an RF power amplifier with nonlinear gain characteristics and memory effects |
| JP4835241B2 (ja) * | 2006-04-11 | 2011-12-14 | 株式会社日立製作所 | ディジタルプリディストーション送信機 |
| US7844014B2 (en) * | 2006-07-07 | 2010-11-30 | Scintera Networks, Inc. | Pre-distortion apparatus |
| US7724840B2 (en) | 2006-12-19 | 2010-05-25 | Crestcom, Inc. | RF transmitter with predistortion and method therefor |
| US8180581B2 (en) * | 2007-08-31 | 2012-05-15 | Dh Technologies Development Pte. Ltd. | Systems and methods for identifying correlated variables in large amounts of data |
| US7899416B2 (en) | 2007-11-14 | 2011-03-01 | Crestcom, Inc. | RF transmitter with heat compensation and method therefor |
| JP4973532B2 (ja) * | 2008-02-12 | 2012-07-11 | 住友電気工業株式会社 | 増幅回路とこれを有する無線通信装置及びコンピュータプログラム |
| US8369447B2 (en) * | 2008-06-04 | 2013-02-05 | Apple Inc. | Predistortion with sectioned basis functions |
| JP5228723B2 (ja) * | 2008-09-10 | 2013-07-03 | 富士通株式会社 | 歪補償装置及び方法 |
-
2010
- 2010-11-16 CA CA2815438A patent/CA2815438A1/en not_active Abandoned
- 2010-11-16 US US13/119,160 patent/US8390376B2/en not_active Expired - Fee Related
- 2010-11-16 JP JP2013538282A patent/JP5753272B2/ja not_active Expired - Fee Related
- 2010-11-16 WO PCT/IB2010/055193 patent/WO2012066382A1/en not_active Ceased
- 2010-11-16 EP EP10807369.3A patent/EP2641327B8/en not_active Not-in-force
- 2010-11-16 CN CN201080070182.XA patent/CN103201949B/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111901846A (zh) * | 2020-07-31 | 2020-11-06 | 浙江鑫网能源工程有限公司 | 采用多个NB-IoT节点网关的自组网系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012066382A1 (en) | 2012-05-24 |
| US8390376B2 (en) | 2013-03-05 |
| CN103201949A (zh) | 2013-07-10 |
| EP2641327A1 (en) | 2013-09-25 |
| JP5753272B2 (ja) | 2015-07-22 |
| CN103201949B (zh) | 2016-02-03 |
| JP2013542696A (ja) | 2013-11-21 |
| US20120119810A1 (en) | 2012-05-17 |
| EP2641327B1 (en) | 2014-10-22 |
| EP2641327B8 (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8390376B2 (en) | Non-linear model with tap output normalization | |
| EP2641325B1 (en) | Orthogonal basis function set for ditigal predistorter | |
| AU2010364182B2 (en) | Configurable basis-function generation for nonlinear modeling | |
| EP2641324B1 (en) | Joint process estimator with variable tap delay line for use in power amplifier digital predistortion | |
| US8855234B2 (en) | Method and system for baseband predistortion linearization in multi-channel wideband communications systems | |
| EP2837093B1 (en) | Digital predistorter (dpd) structure based on dynamic deviation reduction (ddr)-based volterra series | |
| Braithwaite et al. | General principles and design overview of digital predistortion | |
| US8957729B2 (en) | Memory structure having taps and non-unitary delays between taps | |
| US20130241645A1 (en) | Multi-layer memory structure for behavioral modeling in a pre-distorter | |
| HK40047878A (en) | Method and system for baseband predistortion linearization in multi-channel wideband communication systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20151116 |
|
| FZDE | Discontinued |
Effective date: 20180418 |