Feedforward frequency estimation for PSK: a tutorial review

被引:139
作者
Morelli, M [1 ]
Mengali, U [1 ]
机构
[1] Univ Pisa, Dipartimento Ingn Informaz, I-56100 Pisa, Italy
来源
EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS | 1998年 / 9卷 / 02期
关键词
D O I
10.1002/ett.4460090203
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
This paper considers feedforward carrier frequency estimation methods in burst-mode digital transmission, with tutorial objectives foremost. Assuming PSK modulation, two scenarios are envisaged in which frequency estimates are derived either from a preamble appended to the data block, or directly from the modulated signal. Several estimation algorithms are considered with different and somewhat contrasting characteristics. The characteristics we focus on are: estimation accuracy, estimation range, minimum operating signal-to-noise ratio (threshold), and implementation complexity. They provide a frame work within which current estimation methods can be evaluated. The paper reviews and compares some prominent algorithms proposed in literature, trying to single out the best ones for a given application.
引用
收藏
页码:103 / 116
页数:14
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