A simple and fast carrier recovery algorithm for high-order QAM

被引：15
|
作者：
Gagnon, G [1 ]
Choquette, F [1 ]
Belzile, J [1 ]
Gagnon, F [1 ]
机构：
[1] Ecole Technol Super, Dept Elect Engn, Montreal, PQ, Canada
来源：
IEEE COMMUNICATIONS LETTERS | 2005年 / 9卷 / 10期
基金：
加拿大自然科学与工程研究理事会;
关键词：
carrier recovery; phase-frequency detector; phase noise; quadrature amplitude modulation;
D O I：
10.1109/LCOMM.2005.10012
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We propose a new carrier recovery algorithm for high-order Quadrature Amplitude Modulation (QAM). The proposed solution relies on two phase detectors, combined with a novel track and hold algorithm for faster frequency acquisition. Compared to previous works, a tenfold improvement or better is achieved in terms of acquisition speed, while keeping a low residual phase noise.
引用
收藏
页码：918 / 920
页数：3
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