基于鉴别器的GMSK信号数据辅助频率估计新算法

International Conference on Neural Networks and Signal Processing, 2003. Proceedings of the 2003 Pub Date : 1900-01-01 DOI:10.1109/ICNNSP.2003.1281213

Tuanfeng Wu

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引用次数: 5

摘要

数据辅助频率估计算法比非数据辅助频率估计算法具有更好的均方误差(MSE)性能，但其估计范围小于非数据辅助频率估计算法。提出了一种基于鉴别器的GMSK信号数据辅助频率估计算法，将GMSK信号视为数字调频信号。仿真结果表明，该方案可以达到/spl plusmn/0.5 * (1/T)左右的大估计范围，而频率MSE接近MCRB。

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New data-aided frequency estimation algorithm based on discriminator for GMSK signals

Data-aided frequency estimation algorithm has good performance of mean square error (MSE) than non-data-aided frequency estimation algorithm while its estimation range is smaller than the latter. This paper presents a new data-aided frequency estimation algorithm based on discriminator for GMSK signals, which treats GMSK signal as digital FM signal. Simulations are carried out and results show that this scheme can reach large estimation range about /spl plusmn/0.5 * (1/T) while the frequency MSE is close to MCRB.

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International Conference on Neural Networks and Signal Processing, 2003. Proceedings of the 2003

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