On the design and linearization of transmitters for the LTE 450 base station

被引：0
|
作者：
Rosolowski, Dawid [1 ]
Gryglewski, Daniel [1 ]
Wojtasiak, Wojciech [1 ]
Kajczuk, Michal [2 ]
Klocek, Jedrzej [2 ]
机构：
[1] Warsaw Univ Technol, Warsaw, Poland
[2] IT Partners Telco Sp Zoo, Marki, Poland
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS AND TELECOMMUNICATIONS | 2024年 / 70卷 / 03期
关键词：
LTE450; transmitter; Doherty amplifier; transmitter linearization; digital predistortion DPD; power efficiency in 4G @ 5G systems;
D O I：
10.24425/ijet.2024.149600
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The paper presents the two transmitter analog paths of 10 W and 400 W peak output power developed for micro- and macro-cell LTE450 base stations, respectively. Each path contains a chain of amplifiers with a final stage designed in the Doherty architecture to improve total transmitter power efficiency. The paths were optimized for linearity and efficiency considering, i.e., an output power vs. input power course shape and tuning of the amplifier's operating points while using low computational complexity MP algorithms.
引用
收藏
页码：707 / 713
页数：7
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