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A Beamforming Approach for Distributed Wireless Sensor Networks

机译:分布式无线传感器网络的波束形成方法

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We present an energy-aware approach for enabling communication between a wireless ground-based sensor network, and an overhead unmanned aerial vehicle (UAV). Specifically, we present a technique for assembling a subset of sensor nodes into a distributed antenna array useful for beamforming. A small subset of sensor nodes receives and aggregates information gathered by the network, and forms a distributed antenna array, concentrating the radiated transmission into a narrow beam aimed towards the UAV. Although, in general, the relative orientations of the elements in a distributed antenna array have an effect on antenna performance, our proposed approach can be employed in scenarios where the individual sensor nodes do not have knowledge of their location within an absolute coordinate system.
机译:我们提出了一种用于实现无线地基传感器网络和开销无人机(UAV)之间的通信的能量感知方法。具体地,我们介绍一种用于将传感器节点的子集组装成用于波束成形的分布式天线阵列。传感器节点的小子集接收和聚合由网络收集的信息,并形成分布式天线阵列,将辐射传输集中到朝向UAV的窄光束中。尽管通常,分布式天线阵列中的元件的相对取向具有对天线性能的影响,但是我们所提出的方法可以在各个传感器节点在绝对坐标系内知识的情况下采用。

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