Search results for: directive antennas - Bridge of Knowledge

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ESPAR Antenna-Based WSN Node With DoA Estimation Capability
Publication
- IEEE Access - Year 2020
In this paper, we present a low-cost energy-efficient electronically steerable parasitic array radiator (ESPAR) antenna-based wireless sensor network (WSN) node designed for IEEE 802.15.4 standard that is capable of performing direction of arrival (DoA) estimation in real-life outdoor environments. To this end, we propose the WSN node architecture, design and realization that utilizes NXP JN5168 radio frequency (RF) wireless transceiver...

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Two-Row ESPAR Antenna with Simple Elevation and Azimuth Beam Switching
Publication
- M. Rzymowski
- Ł. Kulas
- IEEE Antennas and Wireless Propagation Letters - Year 2021
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...

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