Effect of interpolation filter in digital quadrature amplitude modulation signal resampling

被引：1
|
作者：
Pelet, E. R. [1 ]
机构：
[1] TRLabs, Saskatoon, SK S7N 3R3, Canada
来源：
IET COMMUNICATIONS | 2012年 / 6卷 / 17期
基金：
加拿大自然科学与工程研究理事会;
关键词：
DESIGN;
D O I：
10.1049/iet-com.2010.0877
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 study, a closed-form equation is derived which relates the mean-squared error (MSE) to the frequency response of the interpolation filter. Effects of additive white Gaussian noise and timing jitter on the MSE are accounted for in the equation. By using properties of the Nyquist signalling pulse, a simple approximation to the MSE equation is obtained, which is found to be accurate over the range of excess bandwidths commonly used in quadrature amplitude modulation receivers.
引用
收藏
页码：2833 / 2839
页数：7
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