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Article

Concentric circular-shaped electronically steerable parasitic array radiator antennas for full-azimuth directions of arrival estimation with reduced computational load

, 2015

IET Microwaves Antennas & Propagation, 6, 11, 1236-1243, Octobre 2015

Résumé

This study proposes a new uniform concentric circular (UCCA) shape of electronically steerable parasitic array radiator

(ESPAR) antennas for directions of arrival (DoAs) estimation problem. The well-known estimation of signal parameters via

rotational invariance techniques (ESPRIT) algorithm is adapted to this special shape of UCCA and the authors demonstrate

that the resulting algorithm yields better DoAs estimation accuracy and solves the failure of estimation problem when the

signals’ DoA

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