High-Precision Joint In-Band/Out-of-Band Distortion Compensation Scheme for Wideband RF Power Amplifier Linearization

被引：8
|
作者：
Yu, Chao [1 ]
Yang, Na [1 ]
Lu, Qianyun [1 ]
Cai, Jialin [2 ]
Zhu, Xiao-Wei [1 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
[2] Hangzhou Dianzi Univ, Minist Educ, Key Lab RF Circuit & Syst, Hangzhou 310000, Zhejiang, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2018年 / 28卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Digital predistortion (DPD); in-band distortion; out-of-band (OOB) distortion; power amplifier (PA); wideband;
D O I：
10.1109/LMWC.2018.2867094
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, a high-precision joint in-band/ outof- band (OOB) distortion compensation scheme is proposed to overcome the large modulated bandwidth issue for wideband radio frequency power amplifier linearization. It is achieved by dividing the linearization process into in-band predistortion and OOB suppression, respectively. Experimental results have proven that high-accuracy compensation can be realized by this scheme and the required bandwidth of the in-band and OOB distortion can be controlled flexibly, leading to significant reduction of the system bandwidth requirements.
引用
收藏
页码：1044 / 1046
页数：3
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