数字接收机信噪比估计器的性能分析

PACRIM. 2005 IEEE Pacific Rim Conference on Communications, Computers and signal Processing, 2005. Pub Date : 2005-10-17 DOI:10.1109/PACRIM.2005.1517305

Yunfei Chen, N. Beaulieu

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引用次数: 0

摘要

本文检验了同伴论文[NC Beaulieu et al .， 2005]中开发的最大似然(ML)信噪比(SNR)估计器的性能。导出了采样信号处理接收机和连续时间信号处理接收机中ML信噪比估计的概率密度函数的近似值。详细研究了信噪比的两种测量方法。结果具有普遍性，既适用于静态加性高斯白噪声信道，也适用于慢衰落信道。

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Performance analysis of SNR estimators in digital receivers

The performances of the maximum likelihood (ML) signal-to-noise ratio (SNR) estimators developed in a companion paper [NC Beaulieu et al, 2005] are examined. Approximations to the probability density functions of the ML SNR estimates in a sampled signal processing receiver as well as a continuous time signal processing receiver are derived. Two measures of signal-to-noise ratio are studied in detail. The results are general and apply to both static additive white Gaussian noise channels and slowly fading channels.

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来源期刊

PACRIM. 2005 IEEE Pacific Rim Conference on Communications, Computers and signal Processing, 2005.

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