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Cooperative Game Approach to Power Allocation for Target Tracking in Distributed MIMO Radar Sensor Networks

机译:分布式MIMO雷达传感器网络中目标跟踪的合作博弈方法。

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摘要

In this paper, power allocation in distributed multiple-input multiple-output radar is investigated for range-only target tracking such that the determinant of Bayesian Fisher information matrix (B-FIM) is maximized. First, the B-FIM is derived for a signal model that incorporates the propagation path loss, the target reflectivity, the transmitted power, and the target prior density. Then, we model the problem as a cooperative game and exploit the solution concept of the Shapley value to distribute a given power budget among all transmitting radars for target tracking. In numerical examples, it is shown that uniform power allocation is not in general optimal. We illustrate the effects of the radar network geometry configuration, target prior density and number of antenna upon the power allocation results, and further demonstrate the superior performance of the proposed optimal power allocation scheme via Monte Carlo simulations.
机译:在本文中,研究了分布式多输入多输出雷达中的功率分配,仅用于距离目标跟踪,从而使贝叶斯费舍尔信息矩阵(B-FIM)的行列式最大化。首先,针对包含传播路径损耗,目标反射率,发射功率和目标先验密度的信号模型导出B-FIM。然后,我们将问题建模为合作博弈,并利用Shapley值的解决方案概念在所有发射雷达之间分配给定的功率预算,以进行目标跟踪。在数值示例中,示出了均匀的功率分配通常不是最佳的。我们说明了雷达网络几何结构配置,目标先验密度和天线数量对功率分配结果的影响,并通过蒙特卡洛模拟进一步证明了所提出的最佳功率分配方案的优越性能。

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