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Spatial signature estimation for uniform linear arrays with unknown receiver gains and phases

机译:具有未知接收器增益和相位的均匀线性阵列的空间特征估计

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摘要

The problem of spatial signature estimation using a uniform linear array (ULA) with unknown receiver gain and phase responses is studied. Sufficient conditions for identifying the spatial signatures are derived, and a closed-form ESPRIT-like estimator is proposed. The performance of the method is investigated by means of simulations and on experimental data collected with an antenna array in a suburban environment. The results show that the absence of receiver calibration is not critical for uplink signal waveform estimation using a plane wave model.
机译:研究了使用未知接收器增益和相位响应的均匀线性阵列(ULA)进行空间签名估计的问题。推导了识别空间特征的充分条件,并提出了一种类似ESPRIT的闭式估计器。该方法的性能通过仿真以及在郊区环境中使用天线阵列收集的实验数据进行了研究。结果表明,没有接收器校准对于使用平面波模型的上行链路信号波形估计并不关键。

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