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A Spherical-Wavefront-Based Scatterer Localization Algorithm Using Large-Scale Antenna Arrays

机译:一种基于球面波前的大型天线阵列散射体定位算法

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摘要

In this letter, a spherical-wavefront-based parametric signal model is proposed by considering the architecture using a large-scale antenna array. A space-alternating generalized expectation-maximization (SAGE)-based localization algorithm is derived and adopted to localize the first-and last-hop scatterers along the propagation paths between the transmitter and the receiver. Simulations are conducted to evaluate the performance of the localization algorithm. An outdoor measurement campaign with a 1600-element virtual planar array is carried out to verify the localization performance in reality. Those results show the advantages of using a spherical-wavefront-based signal model and the SAGE-based algorithm in the scatterer localization.
机译:在这封信中,通过考虑使用大规模天线阵列的架构,提出了一种基于球面波前的参数信号模型。推导并采用了一种基于空间交替的广义期望最大化(SAGE)的定位算法,以沿着发射器和接收器之间的传播路径定位第一跳和最后一跳散射体。进行仿真以评估定位算法的性能。进行了具有1600个元素的虚拟平面阵列的户外测量活动,以验证实际的定位性能。这些结果表明在散射体定位中使用基于球面波前的信号模型和基于SAGE的算法的优势。

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