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ADAPTIVE BEAM-FORMER GENERALIZED DETECTOR IN WIRELESS SENSOR NETWORKS

机译:无线传感器网络中自适应波束形成器广义检测器

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This paper is concerned with a generalized detector (GD) constructed based on the generalized approach to signal processing (GASP) in noise and employed in wireless sensor networks. The GD decides if an observation contains a multidimensional signal belonging to one space or if it contains a multidimensional signal belonging to an orthogonal subspace when unknown complex Gaussian noise is present. We evaluate the performance of the generalized detector in both the matched and mismatched signal cases Our results show that for constant power complex Gaussian noise, if the signal is matched to the steering vector, the GD performance outperforms the adaptive matched filter (AMF), the generalized likelihood ratio test (GLRT), the adaptive coherence estimator (ACE), and the adaptive beam-former orthogonal rejection test (ABORT).
机译:本文涉及一种基于通用信号处理方法(GASP)构造的通用检测器(GD),该方法用于无线传感器网络。当存在未知的复杂高斯噪声时,GD决定观察是否包含属于一个空间的多维信号,或者它是否包含属于正交子空间的多维信号。我们评估了在匹配和不匹配信号情况下通用检测器的性能。我们的结果表明,对于恒定功率复高斯噪声,如果信号与转向矢量匹配,则GD性能优于自适应匹配滤波器(AMF),广义似然比测试(GLRT),自适应相干估计器(ACE)和自适应波束形成器正交抑制测试(ABORT)。

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