空间数据聚焦:地理投射场景波束成形的替代方案

2018 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium) Pub Date : 2018-07-01 DOI:10.1109/USNC-URSI.2018.8602761

J. Sarrazin, Michael Odhiambo, S. Golstein, P. De Doncker, F. Horlin

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引用次数: 6

摘要

为了克服天线阵列由于孔径大小有限而造成的波束宽度限制，提出了一种替代方案。该方法的目的是关注传输数据而不是传输功率。与传统的波束形成技术相比，该方案使用更少的天线单元，使信息能够无线广播到特定的空间位置。数值实例表明，聚焦数据在空间上比聚焦功率更具选择性。特别是，我们表明，使用空间数据聚焦的线性2天线阵列可以显示出与使用功率聚焦的线性7天线阵列相似的波束宽度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Spatial Data Focusing: An Alternative to Beamforming for Geocasting Scenarios

An alternative scenario is introduced in order to overcome antenna array's beamwidth limitations due to finite aperture size. The proposed approach aims to focus the transmitted data rather than the transmitted power. This scheme enables wireless broadcast of information to specific spatial locations, using fewer antenna elements compared to classical beamforming techniques. It is shown indeed with numerical examples that focusing the data is spatially more selective than focusing the power. In particular, we show that a linear 2-antenna array using spatial data focusing can exhibit similar beamwidths to a linear 7-antenna array using power focusing.

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来源期刊

2018 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium)

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