欠采样数字预失真
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Journal:微波学报
Key Words:数字预失真,宽带,欠采样
Abstract:随着第 3、4 代无线通信技术的发展,宽带应用场景越来越多,而传统数字预失真方法受限于系统设计成本及 AD 采样速率,很难应用到宽带无线通信中。文中提出了一种基于欠采样原理的新型数字预失真结构,可以大大降低系统的采样速率,节约了系统的设计成本,同时保证了系统的预失真性能。仿真结果显示,所提出方法能够有效补偿 PA 的非线性和记忆效应,对频谱泄露抑制明显。
First Author:刘发林
Co-author:王昊禹,杨光,李刚
Indexed by:Journal paper
Discipline:Engineering
Document Type:J
Volume:29
Issue:5-6
Page Number:81-85
Translation or Not:no
Date of Publication:2013-10-01
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