CN1270492C - 用于补偿功率放大器的预失真的设备和方法 - Google Patents
用于补偿功率放大器的预失真的设备和方法 Download PDFInfo
- Publication number
- CN1270492C CN1270492C CN03132801.6A CN03132801A CN1270492C CN 1270492 C CN1270492 C CN 1270492C CN 03132801 A CN03132801 A CN 03132801A CN 1270492 C CN1270492 C CN 1270492C
- Authority
- CN
- China
- Prior art keywords
- signal
- compensation coefficient
- power
- power amplifier
- frequency
- 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.)
- Expired - Fee Related
Links
Images
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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020042789A KR100808336B1 (ko) | 2002-07-20 | 2002-07-20 | 전치왜곡 선형화기의 dpd 계수산출방법 및 그 방법을이용한 전치왜곡 선형화기 |
KR42789/2002 | 2002-07-20 | ||
KR81455/2002 | 2002-12-18 | ||
KR10-2002-0081455A KR100486547B1 (ko) | 2002-12-18 | 2002-12-18 | 전력증폭기의 전치왜곡 보상장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1474516A CN1474516A (zh) | 2004-02-11 |
CN1270492C true CN1270492C (zh) | 2006-08-16 |
Family
ID=30772289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03132801.6A Expired - Fee Related CN1270492C (zh) | 2002-07-20 | 2003-07-21 | 用于补偿功率放大器的预失真的设备和方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7034612B2 (zh) |
CN (1) | CN1270492C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102484454A (zh) * | 2009-08-28 | 2012-05-30 | Acco半导体公司 | 用于功率放大的线性化电路和方法 |
Families Citing this family (39)
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 |
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 |
WO2005076495A1 (en) * | 2004-02-09 | 2005-08-18 | Sige Semiconductor Inc. | Methods of enhancing power amplifier linearity |
US20060015584A1 (en) * | 2004-07-13 | 2006-01-19 | Teneros, Inc. | Autonomous service appliance |
US8654912B2 (en) * | 2006-05-05 | 2014-02-18 | Samsung Electronics Co., Ltd. | MIMO transmitter with pooled adaptive digital filtering |
JP5242024B2 (ja) * | 2006-06-08 | 2013-07-24 | 株式会社東芝 | 歪補償装置、増幅装置、送信装置、歪補償方法 |
WO2008038904A1 (en) * | 2006-09-29 | 2008-04-03 | Electronics And Telecommunications Research Institute | Linearizer for ubiquitous sensor node |
JP4425262B2 (ja) * | 2006-12-07 | 2010-03-03 | 株式会社日立国際電気 | フィードフォワード増幅器 |
CN102017553B (zh) | 2006-12-26 | 2014-10-15 | 大力系统有限公司 | 用于多信道宽带通信系统中的基带预失真线性化的方法和系统 |
WO2008102943A1 (en) * | 2007-02-23 | 2008-08-28 | Airpoint | Repeating system and method for cancellation of feedback interference signal with pre-distortion function |
KR100879335B1 (ko) | 2007-02-23 | 2009-01-19 | (주)에어포인트 | 전치 왜곡 기능을 구비한 귀환간섭신호 제거 중계 시스템및 그 방법 |
US20090033418A1 (en) * | 2007-08-03 | 2009-02-05 | M/A-Com, Inc. | Training sequence and digital linearization process for power amplifier |
CN101520666B (zh) * | 2009-04-10 | 2010-11-10 | 北京北方烽火科技有限公司 | 一种宽带数字预失真功放的温度补偿方法和系统 |
JP2010278505A (ja) * | 2009-05-26 | 2010-12-09 | Fujitsu Ltd | 無線送信装置 |
CN101697477B (zh) * | 2009-10-28 | 2011-12-28 | 深圳市云海通讯股份有限公司 | 调整功放电路输出信号线性度的系统、方法及功放电路 |
CN105141335A (zh) * | 2009-12-23 | 2015-12-09 | 华为技术有限公司 | 天线振子复用的方法、装置和天线组件 |
JP5593724B2 (ja) * | 2010-02-16 | 2014-09-24 | 住友電気工業株式会社 | 増幅装置とこれを備えた無線送信装置、及び、増幅装置の利得調整方法 |
CN101873284B (zh) * | 2010-05-19 | 2013-10-02 | 京信通信系统(中国)有限公司 | 数字预失真系统及数字预失真系统中温度补偿的方法 |
JP5482561B2 (ja) * | 2010-08-13 | 2014-05-07 | 富士通株式会社 | 歪補償増幅装置及び歪補償方法 |
KR101829517B1 (ko) | 2010-09-14 | 2018-02-14 | 달리 시스템즈 씨오. 엘티디. | 원격으로 재구성가능한 분산 안테나 시스템 및 방법 |
CN103379066B (zh) * | 2012-04-25 | 2016-03-30 | 中兴通讯股份有限公司 | 基站和基于该基站进行预失真处理的方法 |
US9014299B2 (en) * | 2012-12-07 | 2015-04-21 | Maxim Integrated Products, Inc. | Digital pre-distortion system for radio frequency transmitters with reduced sampling rate in observation loop |
CN105099972B (zh) * | 2012-12-11 | 2018-05-04 | 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 |
US9680422B2 (en) * | 2013-03-27 | 2017-06-13 | Qualcomm Incorporated | Power amplifier signal compensation |
CN105453421B (zh) * | 2014-06-30 | 2018-12-07 | 华为技术有限公司 | 一种数字预失真校正装置及方法 |
CN104539284A (zh) * | 2014-12-23 | 2015-04-22 | 武汉理工光科股份有限公司 | 容性负载压电执行器的驱动装置 |
CN105554629A (zh) * | 2015-12-17 | 2016-05-04 | 歌尔声学股份有限公司 | 一种扬声器音频保真方法及系统 |
CN107493248B (zh) * | 2016-06-13 | 2020-03-20 | 北京展讯高科通信技术有限公司 | 一种用于射频发射系统的预矫正方法及装置 |
KR102594658B1 (ko) | 2016-12-23 | 2023-10-26 | 삼성전자주식회사 | 무선 송신을 제어하는 장치 및 방법 |
CN107370464A (zh) * | 2017-07-14 | 2017-11-21 | 重庆微标科技股份有限公司 | 射频功放功率补偿系统及方法 |
CN107659273B (zh) * | 2017-09-26 | 2021-02-09 | 东南大学 | 毫米波宽带功率放大器的可重构数字预失真系统及方法 |
KR101977783B1 (ko) * | 2017-10-17 | 2019-05-13 | 주식회사 케이엠더블유 | 전력 증폭기 성능 보정 방법 및 그를 위한 장치 |
US10447244B1 (en) * | 2019-04-05 | 2019-10-15 | Qualcomm Incorporated | Linear filter separation for digital pre-distortion (DPD) in wireless communication apparatus |
CN110798176B (zh) * | 2019-10-29 | 2023-06-20 | 中电科思仪科技股份有限公司 | 一种任意波宽带信号预失真滤波器构建方法及数字滤波器 |
CN113395115B (zh) * | 2020-03-11 | 2022-12-27 | 华为技术有限公司 | 一种光载无线通信系统和非线性补偿方法 |
US11606228B2 (en) * | 2021-04-30 | 2023-03-14 | Hewlett Packard Enterprise Development Lp | Methods and systems for filter frequency response shift compensation for WLAN traffic |
WO2023226444A1 (zh) * | 2022-05-27 | 2023-11-30 | 华为技术有限公司 | 一种数字预失真电路、数字预失真方法以及装置 |
CN115694141B (zh) * | 2023-01-04 | 2023-03-21 | 苏州浪潮智能科技有限公司 | 一种外置的环路补偿装置及其方法、系统、介质 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6356146B1 (en) * | 1999-07-13 | 2002-03-12 | Pmc-Sierra, Inc. | Amplifier measurement and modeling processes for use in generating predistortion parameters |
JP2001094617A (ja) | 1999-09-24 | 2001-04-06 | Fujitsu General Ltd | ディジタル無線装置 |
JP4275271B2 (ja) | 1999-11-15 | 2009-06-10 | 寺崎電気産業株式会社 | 計測表示装置 |
-
2003
- 2003-07-18 US US10/621,470 patent/US7034612B2/en not_active Expired - Fee Related
- 2003-07-21 CN CN03132801.6A patent/CN1270492C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102484454A (zh) * | 2009-08-28 | 2012-05-30 | Acco半导体公司 | 用于功率放大的线性化电路和方法 |
CN102484454B (zh) * | 2009-08-28 | 2014-12-31 | Acco半导体公司 | 用于功率放大的线性化电路和方法 |
Also Published As
Publication number | Publication date |
---|---|
US7034612B2 (en) | 2006-04-25 |
CN1474516A (zh) | 2004-02-11 |
US20040017257A1 (en) | 2004-01-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1270492C (zh) | 用于补偿功率放大器的预失真的设备和方法 | |
CN101079595A (zh) | 动态调节查找表间距以将功率放大器线性化的装置与方法 | |
CN1124681C (zh) | 放大器和放大单元的前置补偿器 | |
CN1206806C (zh) | 具有负载控制以产生幅度包络的放大器系统 | |
CN1233101C (zh) | 突发发射机的发射输出的控制装置及控制方法 | |
CN1682436A (zh) | 放大装置 | |
CN1285169C (zh) | 预失真数字线性化电路及其增益控制方法 | |
CN1550064A (zh) | 自适应信号调节系统的校准 | |
CN1218474C (zh) | 分离放大振幅波形的低频和高频部分的功率调制系统和方法 | |
CN1352822A (zh) | 预失真类型的失真补偿放大设备 | |
CN104221282B (zh) | 应用于整形表以提高包络跟踪放大器的功率放大器效率的振幅因数减小 | |
CN1156985C (zh) | 无线设备及其发射功率控制方法 | |
CN1640086A (zh) | 用于减小通信网中寄生发射的与频率有关的幅度预失真 | |
CN1208528A (zh) | 发信装置 | |
CN1177449C (zh) | 基于基带数字预失真技术的提高射频功率放大器效率的方法 | |
CN1604577A (zh) | 具适应性数字预失真的发射装置、具该发射装置的收发器及操作该发射装置的方法 | |
CN1960165A (zh) | 放大器装置 | |
CN1969459A (zh) | 用于使得具有非线性增益特性和记忆效应的rf功率放大器线性化的数字预失真系统和方法 | |
CN101040502A (zh) | 宽带增强型数字注射预失真系统和方法 | |
CN1901362A (zh) | 自适应数字预失真系统 | |
CN101080868A (zh) | 前置补偿器 | |
CN1578284A (zh) | 用于线性化带有不对称特性的功率放大器的数字预失真 | |
CN1118945C (zh) | 无线发送机及无线通信方法 | |
CN1645755A (zh) | 发射功率控制设备及其方法、计算机程序及无线电发射器 | |
CN1943121A (zh) | 发送装置及无线通信设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LG- NORTEL CO., LTD. Free format text: FORMER OWNER: LG ELECTRONIC CO., LTD. Effective date: 20061103 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061103 Address after: Seoul, South Kerean Patentee after: LG Nortel Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Electronics Inc. |
|
C56 | Change in the name or address of the patentee |
Owner name: LG-ERICSSON CO., LTD. Free format text: FORMER NAME: LG-NORTEL CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Seoul, South Kerean Patentee after: Novera Optics Korea Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Nortel Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060816 Termination date: 20150721 |
|
EXPY | Termination of patent right or utility model |