CN1689295A - 一种宽带预失真线性化的方法与*** - Google Patents
一种宽带预失真线性化的方法与*** Download PDFInfo
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- CN1689295A CN1689295A CNA028297865A CN02829786A CN1689295A CN 1689295 A CN1689295 A CN 1689295A CN A028297865 A CNA028297865 A CN A028297865A CN 02829786 A CN02829786 A CN 02829786A CN 1689295 A CN1689295 A CN 1689295A
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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
- H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive 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
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
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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
- H03F1/3258—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits based on polynomial terms
-
- 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
- H03F2201/3209—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the amplifier comprising means 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Semiconductor Lasers (AREA)
- Luminescent Compositions (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
一种宽带的数字预失真线性化方法和***,用于克服射频功率放大器中记忆效应的影响,扩展数字预失真的线性化带宽,提高数字预失真的线性化性能,该方法和***主要是根据放大器的特性参数,得到带内预失真信号和带外预失真信号;将所述带内预失真信号进行上变频,并将其与未经过上变频的带外预失真信号相加后作为输入信号输入给功率放大器;从功率放大器的输出取出的一部分作为反馈信号,将该反馈信号与原输入信号比较,并根据上述比较结果,自适应的调整用以产生带内预失真信号和带外预失真信号的放大器特性参数,以使反馈信号与原输入信号在时域波形上或频谱上尽量接近。
Description
PCT国内申请,说明书已公开。
Claims (1)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2002/000774 WO2004040870A1 (fr) | 2002-10-31 | 2002-10-31 | Procede et systeme de linearisation par distorsion prealable de bande passante |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1689295A true CN1689295A (zh) | 2005-10-26 |
CN100550870C CN100550870C (zh) | 2009-10-14 |
Family
ID=32235202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028297865A Expired - Fee Related CN100550870C (zh) | 2002-10-31 | 2002-10-31 | 一种宽带预失真线性化的方法与*** |
Country Status (8)
Country | Link |
---|---|
US (1) | US7583754B2 (zh) |
EP (1) | EP1573993B1 (zh) |
JP (1) | JP4091047B2 (zh) |
CN (1) | CN100550870C (zh) |
AT (1) | ATE455422T1 (zh) |
AU (1) | AU2002344035A1 (zh) |
DE (1) | DE60235127D1 (zh) |
WO (1) | WO2004040870A1 (zh) |
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---|---|---|---|---|
WO2010054499A1 (en) * | 2008-11-11 | 2010-05-20 | Telefonaktiebolaget L M Ericsson (Publ) | A dpd system with multiple transmitter paths |
CN102361462A (zh) * | 2010-04-09 | 2012-02-22 | 英飞凌科技德尔塔有限公司 | 放大器的操作点设置 |
WO2013170622A1 (zh) * | 2012-05-16 | 2013-11-21 | 京信通信***(中国)有限公司 | 一种射频信号的控制方法和设备 |
CN103650444A (zh) * | 2013-06-28 | 2014-03-19 | 华为技术有限公司 | 一种辨识方法、装置、***及基站 |
CN104170249A (zh) * | 2012-04-19 | 2014-11-26 | 英特尔公司 | 利用有效功率管理的信号放大器 |
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WO2016078038A1 (zh) * | 2014-11-19 | 2016-05-26 | 华为技术有限公司 | 一种预失真处理的装置及方法 |
CN103248597B (zh) * | 2013-05-17 | 2017-02-22 | 上海无线通信研究中心 | 基于参考信号的自适应数字预失真***及初始化校正方法 |
CN106603097A (zh) * | 2016-12-31 | 2017-04-26 | 陕西烽火电子股份有限公司 | 一种电台用展宽频响的调制线性化电路 |
CN107005527A (zh) * | 2015-01-16 | 2017-08-01 | 联发科技(新加坡)私人有限公司 | 信号发送设备及信号发送方法 |
CN107040221A (zh) * | 2016-02-03 | 2017-08-11 | 福建省北峰电讯科技有限公司 | 一种数字预失真功放线性化装置及其计算方法 |
CN108988935A (zh) * | 2018-08-21 | 2018-12-11 | 清华大学 | 非线性功放约束下的星地协同信号传输方法及装置 |
CN110402442A (zh) * | 2018-02-12 | 2019-11-01 | 华为技术有限公司 | 一种指纹录入方法及终端 |
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CN111669132A (zh) * | 2020-06-12 | 2020-09-15 | 西安烽火电子科技有限责任公司 | 一种提高短波数字预失真处理索引精度的方法 |
CN113037224A (zh) * | 2019-12-25 | 2021-06-25 | 珠海全志科技股份有限公司 | 跳频数字预失真训练装置、方法和跳频数字预失真装置 |
CN113054917A (zh) * | 2019-12-26 | 2021-06-29 | 赛普拉斯半导体公司 | 校正非线性功率放大器的失真的方法和***、预失真部件 |
CN113098406A (zh) * | 2019-12-23 | 2021-07-09 | 亚德诺半导体国际无限责任公司 | 用于补偿功率半导体器件中窄带失真的***和方法 |
CN113162559A (zh) * | 2021-03-30 | 2021-07-23 | 西南电子技术研究所(中国电子科技集团公司第十研究所) | 毫米波自适应预失真线性化固态功放 |
Families Citing this family (135)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6985704B2 (en) | 2002-05-01 | 2006-01-10 | Dali Yang | System and method for digital memorized predistortion for wireless communication |
US8472897B1 (en) | 2006-12-22 | 2013-06-25 | Dali Systems Co. Ltd. | Power amplifier predistortion methods and apparatus |
US8380143B2 (en) | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
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TW200507471A (en) * | 2003-06-25 | 2005-02-16 | Koninkl Philips Electronics Nv | Distortion/efficiency adaptation in a variable data-rate radio transmitter |
JP4356384B2 (ja) * | 2003-07-09 | 2009-11-04 | 日本電気株式会社 | 非線形補償回路と送信装置並びに非線形補償方法 |
US7372918B2 (en) * | 2003-09-30 | 2008-05-13 | Infineon Technologies Ag | Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device |
US20050111574A1 (en) * | 2003-09-30 | 2005-05-26 | Jan-Erik Muller | Transmission device with digital predistortion, and method for regulating predistortion in a transmission device |
JP4255849B2 (ja) * | 2004-01-29 | 2009-04-15 | 株式会社エヌ・ティ・ティ・ドコモ | べき級数型ディジタルプリディストータ |
US7848717B2 (en) * | 2004-12-21 | 2010-12-07 | Zte Corporation | Method and system for out of band predistortion linearization |
JP2006270638A (ja) * | 2005-03-24 | 2006-10-05 | Shimada Phys & Chem Ind Co Ltd | 非線形歪み補償装置 |
JP4638268B2 (ja) * | 2005-04-14 | 2011-02-23 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 歪み補償装置及び無線通信装置 |
US8315857B2 (en) * | 2005-05-27 | 2012-11-20 | Audience, Inc. | Systems and methods for audio signal analysis and modification |
CN100563225C (zh) * | 2005-05-27 | 2009-11-25 | 华为技术有限公司 | 对基带数字信号进行预失真处理的通用装置 |
US20070018718A1 (en) * | 2005-06-20 | 2007-01-25 | National Sun Yat-Sen University | Microwave transmitter and the method for increasing envelope bandwidth |
US7912151B1 (en) | 2006-03-31 | 2011-03-22 | Pmc-Sierra, Inc. | Post-distortion filter for reducing sensitivity to receiver nonlinearities |
US20070249290A1 (en) * | 2006-04-24 | 2007-10-25 | Sony Ericsson Mobile Communications Ab | Adaptive pre-distortion |
CN101479956B (zh) * | 2006-04-28 | 2013-07-31 | 大力***有限公司 | 用于无线通信的高效率线性化功率放大器 |
KR100703124B1 (ko) | 2006-06-16 | 2007-04-09 | 한국산업기술대학교산학협력단 | 선형 파워 앰프 |
US7844014B2 (en) * | 2006-07-07 | 2010-11-30 | Scintera Networks, Inc. | Pre-distortion apparatus |
WO2008053535A1 (fr) * | 2006-10-31 | 2008-05-08 | Panasonic Corporation | Circuit de compensation de distorsion |
US7822146B2 (en) * | 2006-12-01 | 2010-10-26 | Texas Instruments Incorporated | System and method for digitally correcting a non-linear element |
US7729446B2 (en) * | 2006-12-01 | 2010-06-01 | Texas Instruments Incorporated | System and method for digitally correcting a non-linear element using a multiply partitioned architecture for predistortion |
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 |
US9026067B2 (en) | 2007-04-23 | 2015-05-05 | Dali Systems Co. Ltd. | Remotely reconfigurable power amplifier system and method |
US7929927B2 (en) * | 2007-10-29 | 2011-04-19 | Freescale Semiconductor, Inc. | Adaptive pre-distortion with interference detection and mitigation |
WO2009109808A2 (en) | 2007-12-07 | 2009-09-11 | Dali Systems Co. Ltd. | Baseband-derived rf digital predistortion |
KR101109861B1 (ko) * | 2008-01-15 | 2012-02-14 | 미쓰비시덴키 가부시키가이샤 | 전치 보상기 |
US8949671B2 (en) * | 2008-01-30 | 2015-02-03 | International Business Machines Corporation | Fault detection, diagnosis, and prevention for complex computing systems |
US8391808B2 (en) * | 2008-02-28 | 2013-03-05 | Broadcom Corporation | Method and system for estimating and compensating non-linear distortion in a transmitter using calibration |
CN101527544B (zh) * | 2008-03-05 | 2012-09-12 | 富士通株式会社 | 非线性***逆特性辨识装置及方法、功率放大器及其预失真器 |
CN100571023C (zh) * | 2008-05-07 | 2009-12-16 | 北京北方烽火科技有限公司 | 一种宽带线性化功率放大器的自适应预失真方法及*** |
US8412132B2 (en) * | 2008-08-21 | 2013-04-02 | Freescale Semiconductor, Inc. | Techniques for adaptive predistortion direct current offset correction in a transmitter |
EP2204910B1 (en) * | 2008-12-30 | 2013-07-03 | ST-Ericsson SA | Digital to analogue converter |
JP5251565B2 (ja) * | 2009-02-05 | 2013-07-31 | 富士通株式会社 | プリディストータ及びその遅延調整方法 |
JP4918572B2 (ja) * | 2009-07-02 | 2012-04-18 | 株式会社日立国際電気 | プリディストーション方式歪補償機能付き増幅器 |
CN102025327B (zh) * | 2009-09-18 | 2013-01-02 | 富士通株式会社 | 放大器装置和预失真控制方法 |
EP2413553A4 (en) * | 2009-11-09 | 2012-12-26 | Huawei Tech Co Ltd | METHOD, DEVICE AND SYSTEM FOR CORRECTING MICROWAVE SIGNAL |
KR101815329B1 (ko) | 2009-12-21 | 2018-01-05 | 달리 시스템즈 씨오. 엘티디. | 변조 방식에 무관한 디지털 하이브리드 모드 전력 증폭기 시스템 및 그 방법 |
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 |
US8351877B2 (en) | 2010-12-21 | 2013-01-08 | Dali Systems Co. Ltfd. | Multi-band wideband power amplifier digital predistorition system and method |
CN106160674A (zh) | 2009-12-21 | 2016-11-23 | 大力***有限公司 | 用于改善发射机与接收机之间的隔离的*** |
JP5452283B2 (ja) * | 2010-03-01 | 2014-03-26 | 三菱電機株式会社 | 歪み補償装置 |
CN103597807B (zh) | 2010-09-14 | 2015-09-30 | 大理***有限公司 | 远程可重新配置的分布式天线***和方法 |
US8489047B2 (en) * | 2010-11-02 | 2013-07-16 | Crestcom, Inc. | Transmitter linearized using bias deviation gain adjustment and method therefor |
US8615208B2 (en) * | 2010-11-02 | 2013-12-24 | Crestcom, Inc. | Transmitter linearized in response to signal magnitude derivative parameter and method therefor |
US20120195392A1 (en) * | 2011-02-02 | 2012-08-02 | Provigent Ltd. | Predistortion in split-mount wireless communication systems |
JP5673238B2 (ja) | 2011-03-10 | 2015-02-18 | 富士通株式会社 | 電力増幅装置、送信機及び電力増幅装置制御方法 |
US8660207B2 (en) | 2011-05-12 | 2014-02-25 | Andrew Llc | Digital pre-distortion with carrier cancellation |
US8542769B2 (en) | 2011-06-09 | 2013-09-24 | St-Ericsson Sa | High output power digital TX |
JP5751056B2 (ja) * | 2011-07-14 | 2015-07-22 | 富士通株式会社 | 歪補償装置、送信機および歪補償方法 |
CN103765766B (zh) * | 2011-08-30 | 2017-01-18 | Dsp集团有限公司 | 使用预失真的放大器线性化 |
CN102426416B (zh) * | 2011-09-05 | 2014-04-09 | 广东电网公司电力科学研究院 | 控制对象频域幅值特性辩识方法和装置 |
US8649744B2 (en) | 2011-09-08 | 2014-02-11 | Alcatel Lucent | Radio-frequency transmitter, such as for broadcasting and cellular base stations |
US8798561B2 (en) | 2011-09-08 | 2014-08-05 | Alcatel Lucent | Radio-frequency circuit having a transcoupling element |
US8576943B2 (en) * | 2011-09-09 | 2013-11-05 | Telefonaktiebolaget L M Ericsson (Publ) | Linearization for a single power amplifier in a multi-band transmitter |
EP2772031A4 (en) * | 2011-10-27 | 2015-07-29 | Lsi Corp | DIRECT DIGITAL SYNTHESIS OF SIGNALS WITH MAXIMUM LIKELIHOOD BITSTROM CODING |
RU2012102842A (ru) | 2012-01-27 | 2013-08-10 | ЭлЭсАй Корпорейшн | Инкрементное обнаружение преамбулы |
US8536943B2 (en) * | 2012-02-03 | 2013-09-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Selective narrowband feedback for a digital predistorter |
CN103296976B (zh) * | 2012-02-29 | 2018-02-16 | Ge医疗***环球技术有限公司 | 稳定射频放大器的静态工作点的方法、装置和磁共振设备 |
CN103493382B (zh) * | 2012-03-09 | 2015-04-08 | 华为技术有限公司 | 抵消多载波发射干扰的方法、装置、设备及*** |
DE102012207129A1 (de) | 2012-04-27 | 2013-10-31 | Robert Bosch Gmbh | Getriebespindel sowie Spindelgetriebe, sowie Verfahren zum Herstellen einer Getriebespindel |
FR2991527B1 (fr) | 2012-05-30 | 2014-06-27 | Centre Nat Etd Spatiales | Procede de calibration de lineariseur et composant electronique linearise |
US8787494B2 (en) | 2012-06-11 | 2014-07-22 | Telefonaktiebolaget L M Ericsson (Publ) | Modeling digital predistorter |
US9344143B2 (en) * | 2012-07-24 | 2016-05-17 | Mediatek Inc. | Signal transmitting device and signal transmitting method |
US20140029683A1 (en) * | 2012-07-26 | 2014-01-30 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-Band Observation Receiver |
CN103001900B (zh) * | 2012-12-11 | 2015-08-05 | 华为技术有限公司 | 发射机的发射通道间干扰消除方法及装置 |
US9385764B2 (en) * | 2012-12-13 | 2016-07-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Digital pre-distortion for high bandwidth signals |
US9001928B2 (en) * | 2013-03-28 | 2015-04-07 | Texas Instruments Incorporated | Transmitter first/second digital predistortion and first/second adaption circuitry with feedback |
US9813223B2 (en) | 2013-04-17 | 2017-11-07 | Intel Corporation | Non-linear modeling of a physical system using direct optimization of look-up table values |
US9923595B2 (en) | 2013-04-17 | 2018-03-20 | Intel Corporation | Digital predistortion for dual-band power amplifiers |
US8897728B2 (en) | 2013-04-29 | 2014-11-25 | King Fahd University Of Petroleum And Minerals | Method for memory effects quantification and comparison in RF transmitters and amplifiers |
US9036734B1 (en) * | 2013-07-22 | 2015-05-19 | Altera Corporation | Methods and apparatus for performing digital predistortion using time domain and frequency domain alignment |
CN104348423B (zh) * | 2013-07-31 | 2021-06-01 | Ge医疗***环球技术有限公司 | 功率放大器 |
US9948245B2 (en) * | 2013-08-28 | 2018-04-17 | Deltanode Solutions Aktiebolag | Amplifying stage working point determination |
JP6197518B2 (ja) * | 2013-09-17 | 2017-09-20 | 富士通株式会社 | 歪補償装置、送信装置および歪補償方法 |
JP6255917B2 (ja) * | 2013-11-07 | 2018-01-10 | 富士通株式会社 | 無線装置及び無線アクセスシステム |
US9461698B2 (en) * | 2013-11-27 | 2016-10-04 | Harris Corporation | Communications device with simultaneous transmit and receive and related methods |
EP3149860B1 (en) * | 2014-05-27 | 2018-08-08 | Telefonaktiebolaget LM Ericsson (publ) | Method and radio node for controlling radio transmission |
CN105227507B (zh) * | 2014-06-13 | 2019-08-02 | 中兴通讯股份有限公司 | 非线性***失真校正装置及方法 |
US9246523B1 (en) * | 2014-08-27 | 2016-01-26 | MagnaCom Ltd. | Transmitter signal shaping |
US9088472B1 (en) * | 2015-01-08 | 2015-07-21 | Freescale Semiconductor, Inc. | System for compensating for I/Q impairments in wireless communication system |
US9590567B2 (en) * | 2015-07-02 | 2017-03-07 | Xilinx, Inc. | Moving mean and magnitude dual path digital predistortion |
US9722644B2 (en) * | 2015-08-18 | 2017-08-01 | Nokia Solutions And Networks Oy | Frequency switching within time domain digital pre-distortion |
US9735908B2 (en) | 2015-08-18 | 2017-08-15 | Nokia Solutions And Networks Oy | Adaptive frequency band weighting within time domain |
US10027367B2 (en) | 2015-08-18 | 2018-07-17 | Nokia Solutions And Networks Oy | Quarter wavelength unit delay and complex weighting coefficient continuous-time filters |
CN107046445B (zh) * | 2016-02-06 | 2020-07-28 | 富士通株式会社 | 谐波失真分离方法、非线性特性确定方法、装置和*** |
CN109314493B (zh) * | 2016-06-24 | 2022-05-13 | 瑞典爱立信有限公司 | 用于大规模mimo的发射机架构 |
CN106341102B (zh) * | 2016-06-30 | 2019-02-12 | 南京国睿安泰信科技股份有限公司 | 一种用于宽带***的数字式相位非线性校正方法及装置 |
EP3306817B8 (en) * | 2016-10-07 | 2021-04-21 | Rohde & Schwarz GmbH & Co. KG | Predistortion system and method |
US10404322B2 (en) * | 2016-12-30 | 2019-09-03 | Google Llc | Powering electronic devices in a data center |
AU2018225834B2 (en) * | 2017-02-24 | 2022-12-01 | Sunnybrook Research Institute | Systems and methods for noise reduction in imaging |
US9876657B1 (en) * | 2017-03-06 | 2018-01-23 | Xilinx, Inc. | System and method for downlink processing in communication systems |
US10158330B1 (en) | 2017-07-17 | 2018-12-18 | Qorvo Us, Inc. | Multi-mode envelope tracking amplifier circuit |
US11476809B2 (en) * | 2017-08-11 | 2022-10-18 | Nokia Solutions And Networks Oy | Polyphase digital signal predistortion in radio transmitter |
US10680559B2 (en) * | 2017-10-06 | 2020-06-09 | Qorvo Us, Inc. | Envelope tracking system for transmitting a wide modulation bandwidth signal(s) |
US10637408B2 (en) | 2018-01-18 | 2020-04-28 | Qorvo Us, Inc. | Envelope tracking voltage tracker circuit and related power management circuit |
US10742170B2 (en) | 2018-02-01 | 2020-08-11 | Qorvo Us, Inc. | Envelope tracking circuit and related power amplifier system |
CN108134584B (zh) * | 2018-02-02 | 2021-09-07 | 东南大学 | 针对宽带射频功率放大器的带内与带外联合数字预失真***及方法 |
US10630323B2 (en) * | 2018-04-23 | 2020-04-21 | Qualcomm Incorporated | Asymmetric adjacent channel leakage ratio (ACLR) control |
US10944365B2 (en) | 2018-06-28 | 2021-03-09 | Qorvo Us, Inc. | Envelope tracking amplifier circuit |
US11088618B2 (en) | 2018-09-05 | 2021-08-10 | Qorvo Us, Inc. | PWM DC-DC converter with linear voltage regulator for DC assist |
US10911001B2 (en) | 2018-10-02 | 2021-02-02 | Qorvo Us, Inc. | Envelope tracking amplifier circuit |
US10938351B2 (en) | 2018-10-31 | 2021-03-02 | Qorvo Us, Inc. | Envelope tracking system |
US10985702B2 (en) | 2018-10-31 | 2021-04-20 | Qorvo Us, Inc. | Envelope tracking system |
US11018638B2 (en) | 2018-10-31 | 2021-05-25 | Qorvo Us, Inc. | Multimode envelope tracking circuit and related apparatus |
US10680556B2 (en) | 2018-11-05 | 2020-06-09 | Qorvo Us, Inc. | Radio frequency front-end circuit |
US11031909B2 (en) | 2018-12-04 | 2021-06-08 | Qorvo Us, Inc. | Group delay optimization circuit and related apparatus |
US11082007B2 (en) | 2018-12-19 | 2021-08-03 | Qorvo Us, Inc. | Envelope tracking integrated circuit and related apparatus |
US11146213B2 (en) | 2019-01-15 | 2021-10-12 | Qorvo Us, Inc. | Multi-radio access technology envelope tracking amplifier apparatus |
US10998859B2 (en) | 2019-02-07 | 2021-05-04 | Qorvo Us, Inc. | Dual-input envelope tracking integrated circuit and related apparatus |
US11025458B2 (en) | 2019-02-07 | 2021-06-01 | Qorvo Us, Inc. | Adaptive frequency equalizer for wide modulation bandwidth envelope tracking |
US11233481B2 (en) | 2019-02-18 | 2022-01-25 | Qorvo Us, Inc. | Modulated power apparatus |
US11374482B2 (en) | 2019-04-02 | 2022-06-28 | Qorvo Us, Inc. | Dual-modulation power management circuit |
US11082009B2 (en) | 2019-04-12 | 2021-08-03 | Qorvo Us, Inc. | Envelope tracking power amplifier apparatus |
US11018627B2 (en) | 2019-04-17 | 2021-05-25 | Qorvo Us, Inc. | Multi-bandwidth envelope tracking integrated circuit and related apparatus |
US11424719B2 (en) | 2019-04-18 | 2022-08-23 | Qorvo Us, Inc. | Multi-bandwidth envelope tracking integrated circuit |
US11031911B2 (en) | 2019-05-02 | 2021-06-08 | Qorvo Us, Inc. | Envelope tracking integrated circuit and related apparatus |
US11349436B2 (en) | 2019-05-30 | 2022-05-31 | Qorvo Us, Inc. | Envelope tracking integrated circuit |
US11539289B2 (en) | 2019-08-02 | 2022-12-27 | Qorvo Us, Inc. | Multi-level charge pump circuit |
US11309922B2 (en) | 2019-12-13 | 2022-04-19 | Qorvo Us, Inc. | Multi-mode power management integrated circuit in a small formfactor wireless apparatus |
US11349513B2 (en) | 2019-12-20 | 2022-05-31 | Qorvo Us, Inc. | Envelope tracking system |
US11592339B2 (en) * | 2019-12-27 | 2023-02-28 | Intel Corporation | Device and method for determining a model related to a temperature shift |
US11539330B2 (en) | 2020-01-17 | 2022-12-27 | Qorvo Us, Inc. | Envelope tracking integrated circuit supporting multiple types of power amplifiers |
US11716057B2 (en) | 2020-01-28 | 2023-08-01 | Qorvo Us, Inc. | Envelope tracking circuitry |
US11728774B2 (en) | 2020-02-26 | 2023-08-15 | Qorvo Us, Inc. | Average power tracking power management integrated circuit |
US11196392B2 (en) | 2020-03-30 | 2021-12-07 | Qorvo Us, Inc. | Device and device protection system |
US11588449B2 (en) | 2020-09-25 | 2023-02-21 | Qorvo Us, Inc. | Envelope tracking power amplifier apparatus |
FR3115179B1 (fr) * | 2020-10-09 | 2023-10-20 | St Microelectronics Srl | Procédé de linéarisation d’un signal de transmission et circuit intégré correspondant |
US11728796B2 (en) | 2020-10-14 | 2023-08-15 | Qorvo Us, Inc. | Inverted group delay circuit |
US11909385B2 (en) | 2020-10-19 | 2024-02-20 | Qorvo Us, Inc. | Fast-switching power management circuit and related apparatus |
US11251819B1 (en) * | 2020-12-23 | 2022-02-15 | Xilinx, Inc. | Thermal effect mitigation for digital pre-distortion |
CN116031902B (zh) * | 2023-02-24 | 2024-01-30 | 山东鲁能控制工程有限公司 | 一种火电机组的调频控制方法及*** |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2752313B1 (fr) * | 1996-08-07 | 1998-11-13 | Alcatel Telspace | Procede et dispositif de modelisation des caracteristiques am/am et am/pm d'un amplificateur, et procede de predistorsion correspondant |
US5923712A (en) * | 1997-05-05 | 1999-07-13 | Glenayre Electronics, Inc. | Method and apparatus for linear transmission by direct inverse modeling |
US6075411A (en) | 1997-12-22 | 2000-06-13 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for wideband predistortion linearization |
US5959500A (en) * | 1998-01-26 | 1999-09-28 | Glenayre Electronics, Inc. | Model-based adaptive feedforward amplifier linearizer |
GB9804835D0 (en) * | 1998-03-06 | 1998-04-29 | Wireless Systems Int Ltd | Predistorter |
US6600792B2 (en) * | 1998-06-26 | 2003-07-29 | Qualcomm Incorporated | Predistortion technique for high power amplifiers |
IT1308604B1 (it) * | 1999-02-12 | 2002-01-08 | Cit Alcatel | Circuito linearizzatore della risposta,particolarmente per sistemi aradiofrequenza micronde e metodo per linearizzare l'uscita di un |
IT1313906B1 (it) * | 1999-06-15 | 2002-09-26 | Cit Alcatel | Precorrezione digitale adattiva di non-linearita' introdotte daamplicatori di potenza. |
US6798843B1 (en) | 1999-07-13 | 2004-09-28 | Pmc-Sierra, Inc. | Wideband digital predistortion linearizer for nonlinear amplifiers |
US6356146B1 (en) * | 1999-07-13 | 2002-03-12 | Pmc-Sierra, Inc. | Amplifier measurement and modeling processes for use in generating predistortion parameters |
GB9926886D0 (en) * | 1999-11-12 | 2000-01-12 | Nokia Networks Oy | Linerisation of an amplifier |
CN1166138C (zh) | 2000-07-20 | 2004-09-08 | 华为技术有限公司 | 一种宽带发射机的自适应数字预失真方法和装置 |
CN1285169C (zh) * | 2000-08-04 | 2006-11-15 | Lg电子株式会社 | 预失真数字线性化电路及其增益控制方法 |
US6928122B2 (en) * | 2001-06-07 | 2005-08-09 | Motorola, Inc. | Amplifier predistortion system and method |
US6903604B2 (en) * | 2001-06-07 | 2005-06-07 | Lucent Technologies Inc. | Method and apparatus for modeling and estimating the characteristics of a power amplifier |
US6462617B1 (en) * | 2001-06-08 | 2002-10-08 | Lucent Technologies Inc. | Method and apparatus for calculating the predistortion function from a power amplifier model |
JP4015455B2 (ja) * | 2002-03-29 | 2007-11-28 | 富士通株式会社 | 歪補償装置 |
US7194043B2 (en) * | 2002-05-31 | 2007-03-20 | Lucent Technologies Inc. | System and method for predistorting a signal to reduce out-of-band error |
US7321635B2 (en) * | 2002-08-16 | 2008-01-22 | Andrew Corporation | Linearization of amplifiers using baseband detection and non-baseband pre-distortion |
-
2002
- 2002-10-31 JP JP2004547342A patent/JP4091047B2/ja not_active Expired - Fee Related
- 2002-10-31 WO PCT/CN2002/000774 patent/WO2004040870A1/zh active Application Filing
- 2002-10-31 DE DE60235127T patent/DE60235127D1/de not_active Expired - Lifetime
- 2002-10-31 CN CNB028297865A patent/CN100550870C/zh not_active Expired - Fee Related
- 2002-10-31 AU AU2002344035A patent/AU2002344035A1/en not_active Abandoned
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AU2002344035A1 (en) | 2004-05-25 |
DE60235127D1 (de) | 2010-03-04 |
US20060240786A1 (en) | 2006-10-26 |
JP4091047B2 (ja) | 2008-05-28 |
EP1573993A1 (en) | 2005-09-14 |
JP2006505160A (ja) | 2006-02-09 |
EP1573993B1 (en) | 2010-01-13 |
US7583754B2 (en) | 2009-09-01 |
CN100550870C (zh) | 2009-10-14 |
WO2004040870A1 (fr) | 2004-05-13 |
ATE455422T1 (de) | 2010-01-15 |
EP1573993A4 (en) | 2006-07-05 |
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