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arXiv 2007.05419eess.SP
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线性拓扑中毫米波合作定位的基本性能限制

Fundamental Performance Limits of mm-Wave Cooperative Localization in Linear Topologies

V. A. Reddy, A. Bazzi, G. L. Stuber, S. Al-Dharrab, W. Mesbah, A. H. Muqaibel

摘要:

在诸如地震采集的应用中,在存在有限数量的锚节点的情况下,期望以亚米级精度来获取以线性拓扑部署的传感器节点的位置信息。这可以通过毫米波合作定位,其性能限制在这封信中推导出天线阵列。锚节点的数量被认为具有比锚节点中的天线元件的数量更强的影响。简洁的位置误差界的封闭形式的表达式也得到了1跳和2跳合作定位,亚米精度被认为超过几百个节点。

英文摘要:

In applications such as seismic acquisition, the position information of sensor nodes, that are deployed in a linear topology, is desired with sub-meter accuracy in the presence of a limited number of anchor nodes. This can be achieved with antenna arrays via mm-wave cooperative localization, whose performance limits are derived in this letter. The number of anchor nodes is seen to have a stronger impact than the number of antenna elements in the anchor nodes. Succinct closed-form expressions for the position error bound are also obtained for 1-hop and 2-hop cooperative localization, where sub-meter accuracy is perceived over several hundred nodes.

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