Energy efficient communication with radar spectrum sharing

E. Grossi, M. Lops, L. Venturino
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引用次数: 2

Abstract

In this work, we consider the joint design of a surveillance radar and a multiple-input multiple-output communication system sharing the same bandwidth. In this framework, we maximize the energy efficiency at the communication system (i.e., the amount of information reliably delivered per unit of consumed energy) under a constraint on the minimum signal-to-disturbance ratio for each inspected range-azimuth resolution cell of the radar. The transmit powers of both systems, the space-time linear communication codebook, and the radar receive filters are the degrees of freedom for joint system optimization. The block coordinate ascent method is used to find an approximate solution to this optimization problem, and a numerical example is provided to show the merits of the proposed design strategy.
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雷达频谱共享的节能通信
在这项工作中,我们考虑了一个监视雷达和一个共享相同带宽的多输入多输出通信系统的联合设计。在这个框架中,我们最大限度地提高了通信系统的能源效率(即,每单位消耗的能量可靠地传递的信息量),同时限制了雷达每个被检查的距离-方位分辨率单元的最小信噪比。两个系统的发射功率、空时线性通信码本和雷达接收滤波器是联合系统优化的自由度。采用块坐标上升法对该优化问题进行了近似求解,并通过数值算例说明了所提设计策略的优越性。
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