一种优化的并发双频段数字预失真技术
An optimized concurrent dual band digital predistortion technology
摘要
提出一种新型DDR并发双频预失真器,与现有的2D-DDR预失真器相比,本文提出的并发双频预失真器,通过重构输入信号,所需的查找表资源下降一半,系数计算大幅简化,而性能与现有的并发双频预失真器几乎一样。传统的并发双频预失真器需要两组查找表,每个频段各用一组;本文提出的并发双频预失真器两个频段使用同一组查找表。试验表明,本文提出的并发双频预失真器可以在性能几乎不变的情况下减少一半查找表资源,简化系数计算。
出处
《电信网技术》
2018年第4期92-94,共3页
Telecommunications Network Technology
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