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Conference Papers Year : 2018

Spatial Data Focusing: An Alternative to Beamforming for Geocasting Scenarios

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Abstract

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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Dates and versions

hal-02870089 , version 1 (16-06-2020)

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Julien Sarrazin, Michael Odhiambo, Sidney Golstein, Philippe de Doncker, François Horlin. Spatial Data Focusing: An Alternative to Beamforming for Geocasting Scenarios. Conference USNC-URSI 2018, Jul 2018, Boston, United States. ⟨10.1109/USNC-URSI.2018.8602761⟩. ⟨hal-02870089⟩
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