Two-Row ESPAR Antenna with Simple Elevation and Azimuth Beam Switching - Publikacja - MOST Wiedzy

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Two-Row ESPAR Antenna with Simple Elevation and Azimuth Beam Switching

Abstrakt

In this letter, we propose a two-row electronically steerable parasitic array radiator (ESPAR) antenna designed for direction of arrival (DoA) estimation in Internet of Things (IoT) applications relying on simple microcontrollers. The antenna is capable of elevation and azimuth beam switching using a simple microcontroller-oriented steering circuit and provides 18 directional radiation patterns, which can be grouped in 3 distinctive sets having different directions in the elevation. For each elevation direction, there are 6 different beam configurations that cover 360 degrees in the horizontal plane. Measurements of the realized antenna prototype carried out in an anechoic chamber show good agreement with numerical simulations. The antenna prototype provides low side lobe level (SLL), low half power beam width (HPBW) in both elevation and horizontal directions, and exhibit monotonous drop from the maximum value for all 18 radiation patterns. Therefore, the antenna is a good candidate for IoT nodes capable of DoA estimation in situations when radio frequency (RF) signals are impinging the antenna from different directions in elevation.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
IEEE Antennas and Wireless Propagation Letters nr 20, strony 1745 - 1749,
ISSN: 1536-1225
Język:
angielski
Rok wydania:
2021
Opis bibliograficzny:
Rzymowski M., Kulas Ł.: Two-Row ESPAR Antenna with Simple Elevation and Azimuth Beam Switching// IEEE Antennas and Wireless Propagation Letters -Vol. 20,iss. 9 (2021), s.1745-1749
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/lawp.2021.3095394
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

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