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Cooperative Estimation of Power and Direction of Transmission for a Directive Source

机译：指令源的功率和传输方向的协同估计

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Reliable spectrum cartography of directive sources depends on an accurate estimation of the direction of transmission (DoT) as well as the transmission power. Joint estimation of power and DoT of a directive source using ML estimation techniques is considered in this paper. We further analyze the parametric identifiability conditions of the problem, develop the estimation algorithm, and derive the Cramer–Rao-Bound for the two situations: 1) where the source signal is known to the sensors and 2) where the sensors are not aware of the source signal but its distribution. Particularly, we devise a specific sensor placement/selection setup for the symmetric antenna patterned sources which leads to identifiability of the problem. Finally, numerical results verifies the efficiency and accuracy of the provided estimation algorithms in this paper.
机译：指令源的可靠频谱制图取决于对传输方向（DoT）以及传输功率的准确估计。本文考虑使用ML估计技术对指令源的功率和DoT进行联合估计。我们进一步分析问题的参数可识别性条件，开发估计算法，并针对以下两种情况得出Cramer-Rao-Bound：1）传感器知道源信号，以及2）传感器不知道源信号，但其分布。特别是，我们为对称天线图案化源设计了一种特定的传感器放置/选择设置，从而可以识别问题。最后，数值结果验证了本文提供的估计算法的效率和准确性。

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