模拟调频传输系统的链路质量指示器

2013, 7th International Conference on Signal Processing and Communication Systems (ICSPCS) Pub Date : 2013-12-01 DOI:10.1109/ICSPCS.2013.6723964

J. Brendel, A. Schmidt, G. Fischer

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引用次数: 1

摘要

本文描述了一种在数字信号处理的帮助下确定模拟调频(FM)传输系统(特别是无线麦克风)链路质量的方法。我们利用受干扰调频传输的振幅变化来估计接收信号的信噪比(SINR)。此外，统计度量峰度用于确定干扰的类型。在对算法进行理论描述和推导后，通过仿真验证了该方法的有效性。最后，硬件实现的测量和结果表明了所提出的链路质量估计器在认知无线麦克风系统中的适用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A link quality indicator for analog FM transmission systems

This work describes a method to determine the link quality of analog frequency modulated (FM) transmission systems (especially wireless microphones) with the help of digital signal processing. We exploit the amplitude variations of a disturbed FM transmission to estimate the signal to interference plus noise ratio (SINR) of the received signal. Furthermore, the statistical measure kurtosis is used to determine the type of interference. After the theoretic description and derivation of the algorithms, the approach is confirmed with simulations. Finally, measurements and results of a hardware implementation show the applicability of the presented link quality estimator for instance in cognitive wireless microphone systems.

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2013, 7th International Conference on Signal Processing and Communication Systems (ICSPCS)

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