Direction-of-Arrival Estimation in Time-Modulated Linear Arrays Based on the MT-BCS Approach

This article proposes a novel approach for the estimation of the direction-of-arrival (DoA) of multiple signals impinging on time-modulated arrays (TMAs). The algorithm transforms DoA estimation into compressive sensing (BCS) formulation to tackle the sparse signal problem. Based on the voltage outp...

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Published in:International journal of antennas and propagation 2022-12, Vol.2022, p.1-6
Main Authors: Zhang, Qing-He, Zhang, En-Yu, Zhang, Shi-Hui
Format: Article
Language:English
Subjects:
Algorithms
Arrays
Direction of arrival
Linear arrays
Methods
Music
Signal processing
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Zhang, Shi-Hui
description This article proposes a novel approach for the estimation of the direction-of-arrival (DoA) of multiple signals impinging on time-modulated arrays (TMAs). The algorithm transforms DoA estimation into compressive sensing (BCS) formulation to tackle the sparse signal problem. Based on the voltage outputs of the TMAs at multiple times instants, a strategy using multitasks BCS (MT-BCS) is applied to recover the DoA and improve the accuracy. The comparison with the existing algorithms of DoA estimation in TMAs verifies the effectiveness and feasibility of the proposed method.
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subjects Algorithms
Arrays
Direction of arrival
Linear arrays
Methods
Music
Signal processing
title Direction-of-Arrival Estimation in Time-Modulated Linear Arrays Based on the MT-BCS Approach
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