Locally optimum detection performance analysis for narrowband interference rejection in spread spectrum communications

A. Roy, J. Doherty
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引用次数: 2

Abstract

Locally Optimum (LO) detection offers a means of reliable signal detection under high noise conditions. This technique is applied to remove first order autoregressive narrowband interference from a spread spectrum system. A new expression for output signal-to-interference ratio (SIR) is derived and compared with simulation results. A comparison of the LO detector performance and adaptive Wiener filtering based on the output SIR is presented to highlight the strengths of this technique. Further, it is shown that LOD technique is not overly sensitive to model parameter estimation error.
扩频通信窄带抑制局部最优检测性能分析
局部最优(LO)检测提供了一种在高噪声条件下可靠的信号检测手段。该技术用于消除扩频系统中的一阶自回归窄带干扰。导出了输出信号干涉比的新表达式,并与仿真结果进行了比较。比较了LO检测器和基于输出SIR的自适应维纳滤波的性能,突出了该技术的优势。此外,LOD技术对模型参数估计误差不太敏感。
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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