Compensation of Power Amplifier Non-linearity for Satellite Communications

被引：0
|
作者：
Singh, Gurpreet [1 ]
Kakkar, Abhishek [1 ]
Gangele, Ujjwal [1 ]
Bera, Subhash Chandra [1 ]
机构：
[1] Indian Space Res Org, Ctr Space Applicat, Ahmadabad, Gujarat, India
来源：
2018 6TH EDITION OF INTERNATIONAL CONFERENCE ON WIRELESS NETWORKS & EMBEDDED SYSTEMS (WECON) | 2018年
关键词：
Linearizer; pre-distorter; Field Programmable Gate Array (FPGA); Look Up Table (LUT); Travelling Wave Tube Amplifier(TWTA); satellite; DIGITAL PREDISTORTION; MODEL;
D O I：
暂无
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：
This paper presents the design, simulation and implementation of digital pre-distorter based linearizer for high power amplifier used in satellite communication systems. The digital pre-distorter technique discussed here is based on Look-up-Table (LUT) based approach which can be implemented in on-board digital processor. LUT content is derived from inverse polynomial model for memoryless RF power amplifiers. The performance of LUT based pre-distorter model has been verified using Kintex-7 FPGA platform and Ku-band 70W Travelling Wave Tube Amplifier(TWTA).
引用
收藏
页码：31 / 36
页数：6
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