CN101765187B - 一种数字预失真方法及系统 - Google Patents
一种数字预失真方法及系统 Download PDFInfo
- Publication number
- CN101765187B CN101765187B CN2009102445653A CN200910244565A CN101765187B CN 101765187 B CN101765187 B CN 101765187B CN 2009102445653 A CN2009102445653 A CN 2009102445653A CN 200910244565 A CN200910244565 A CN 200910244565A CN 101765187 B CN101765187 B CN 101765187B
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- fir filter
- digital pre
- distortion
- signal
- 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.)
- Active
Links
Images
Landscapes
- Amplifiers (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102445653A CN101765187B (zh) | 2009-12-30 | 2009-12-30 | 一种数字预失真方法及系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102445653A CN101765187B (zh) | 2009-12-30 | 2009-12-30 | 一种数字预失真方法及系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101765187A CN101765187A (zh) | 2010-06-30 |
CN101765187B true CN101765187B (zh) | 2012-05-02 |
Family
ID=42496136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009102445653A Active CN101765187B (zh) | 2009-12-30 | 2009-12-30 | 一种数字预失真方法及系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101765187B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105391070B (zh) * | 2015-11-13 | 2018-05-04 | 天津瑞能电气有限公司 | 基于主从控制器的新型谐振谐波消去方法 |
CN111082757B (zh) * | 2019-12-27 | 2023-05-23 | 东方红卫星移动通信有限公司 | 自适应带限数字预失真在宽带卫星通信系统中应用的方法 |
CN113496721A (zh) * | 2020-03-20 | 2021-10-12 | 中芯国际集成电路制造(上海)有限公司 | 读取放大器及增强负载模块读取可靠性的方法和装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1578284A (zh) * | 2003-06-27 | 2005-02-09 | 安德鲁公司 | 用于线性化带有不对称特性的功率放大器的数字预失真 |
CN1784879A (zh) * | 2003-05-07 | 2006-06-07 | 西门子公司 | 用于使复基带输入信号数字预失真的装置和方法 |
EP1819040A1 (en) * | 2006-02-14 | 2007-08-15 | Fujitsu Limited | Distortion compensating apparatus and method |
CN101286963A (zh) * | 2008-05-30 | 2008-10-15 | 北京北方烽火科技有限公司 | 一种基于可编程器件的宽带自适应数字预失真引擎装置 |
-
2009
- 2009-12-30 CN CN2009102445653A patent/CN101765187B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1784879A (zh) * | 2003-05-07 | 2006-06-07 | 西门子公司 | 用于使复基带输入信号数字预失真的装置和方法 |
CN1578284A (zh) * | 2003-06-27 | 2005-02-09 | 安德鲁公司 | 用于线性化带有不对称特性的功率放大器的数字预失真 |
EP1819040A1 (en) * | 2006-02-14 | 2007-08-15 | Fujitsu Limited | Distortion compensating apparatus and method |
CN101286963A (zh) * | 2008-05-30 | 2008-10-15 | 北京北方烽火科技有限公司 | 一种基于可编程器件的宽带自适应数字预失真引擎装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101765187A (zh) | 2010-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102427336B (zh) | 一种实现自适应数字预失真线性化的射频功率放大系统 | |
CN102437822B (zh) | 一种射频功率放大器自适应数字预失真线性化系统 | |
CN103475315B (zh) | 改善射频功率放大器线性度的装置 | |
JP5761646B2 (ja) | 変調アグノスティック(agnostic)デジタルハイブリッドモード電力増幅器のシステム及び方法 | |
US6947711B1 (en) | Method and apparatus for generating a radio frequency signal | |
CN101156159B (zh) | 用于高效率发射机的数字预失真系统和方法 | |
CN100544193C (zh) | 预失真器和带预失真方式失真补偿功能的放大装置 | |
US9374044B2 (en) | Architecture of nonlinear RF filter-based transmitter | |
CN101478523B (zh) | 一种ofdm系统中的自适应预失真器及预失真方法 | |
EP2795792B1 (en) | Adaptive predistortion for a non-linear subsystem based on a model as a concatenation of a non-linear model followed by a linear model | |
CN104363191B (zh) | 一种跳频通信系统的数字预失真方法 | |
CN102939716B (zh) | 多频带宽带功率放大器数字预失真系统和方法 | |
CN105634414A (zh) | 双回路功率放大器数字预失真系统的装置和方法 | |
CN101114811A (zh) | 基于模拟预失真的线性功率放大电路及方法 | |
US20060209985A1 (en) | Linearization apparatus and method of base station | |
Ren | A new digital predistortion algorithms scheme of feedback FIR cross-term memory polynomial model for short-wave power amplifier | |
CN101765187B (zh) | 一种数字预失真方法及系统 | |
Wood | Digital pre-distortion of RF power amplifiers: progress to date and future challenges | |
CN102710220B (zh) | 一种基于预失真和Doherty的前馈功率放大器 | |
EP2795802B1 (en) | Architecture of a low bandwidth predistortion system for non-linear rf components | |
Beikmirza et al. | Power amplifier linearisation using digital predistortion and multi‐port techniques | |
CN102801391B (zh) | 一种模块化的前馈功率放大器 | |
CN101808062B (zh) | 数字预失真处理电路、方法、功率放大装置及直放站 | |
CN202841061U (zh) | 一种模块化的前馈功率放大器 | |
Reddy | Digital pre-distortion using Legendre polynomials for band 25 transmitters |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200122 Address after: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee after: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. Address before: 100085, building 1, tower 5, East Road, Haidian District, Beijing Patentee before: Beifang Fenghuo Tech Co., Ltd., Beijing |
|
TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP01 | Change in the name or title of a patent holder |
Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |
|
CP01 | Change in the name or title of a patent holder |