Experimental study of direction-of-arrival estimation using reconfigurable antennas

V Vakilian, HV Nguyen, S Abielmona… - 2014 IEEE 27th …, 2014 - ieeexplore.ieee.org
In this paper, we present an experimental study evaluating the performance of a
reconfigurable antenna element for direction-of-arrival (DOA) estimation in wireless systems …

A Planar Direction-Finding Antenna with Reconfigurable Circuit for Scan Range Extension

J Tamura, H Arai - 2021 International Symposium on Antennas …, 2021 - ieeexplore.ieee.org
A direction-finding antenna that estimates an angle of arrival (AoA) in wide angles is
proposed. The antenna contains four quasi-Yagi antennas and a beamforming circuit that …

Modified half bowtie antenna for direction finding

H Nabila, J Suryana, A Izzuddin - 2017 11th International …, 2017 - ieeexplore.ieee.org
A half bowtie antenna was designed to facilitate the application of direction finding in FM
Radio Frequency (88-108 MHz) and UHF television reception (500-600 MHz). A slot …

Two axis direction finding antenna system using sum–difference patterns in X band

SA Shaikh, I Tekin - Microwave and Optical Technology Letters, 2015 - Wiley Online Library
This work proposes the direction finding antenna system in two axis (θ1, θ2) in X band using
sum (Σ) and difference (Δ) patterns of received signal. Direction finding system is …

A broadband planar spiral antenna design for electromagnetic signal monitoring

D Chen, H Zhang, J Xu - IEEE Access, 2020 - ieeexplore.ieee.org
In order to meet the wide-band full-space radio monitoring task, the design of a circular-
polarized planar dual-arm composite spiral antenna is presented in this paper. The antenna …

Research on the measurement of antennas radiation characteristics based on small unmanned aerial vehicle platform

J Zhang, Q Shuang, Z Chen, R Wang, J Liu… - Procedia computer …, 2018 - Elsevier
In order to solve the problem that the radiation characteristics of non-rotating antenna in their
operative conditions is difficult to be measured, we present a measurement method based …

Passive Tracking Antenna System Based on Software-Defined Radio for flying platforms

C Clément, L Bernard, MM Peinado… - … IEEE Conference on …, 2021 - ieeexplore.ieee.org
This paper describes a system made of two receiving stations using Uniform Linear Arrays
(ULA) to produce Direction of Arrival (DOA) estimates. Both estimates are used to recover …

Precision of direction of arrival (DOA) estimation using novel three dimensional array geometries

S Poormohammad, F Farzaneh - AEU-International Journal of Electronics …, 2017 - Elsevier
Numerous methods for direction of arrival (DOA) estimation, used in smart antennas have
been already reported in previous studies. The precision of DOA estimation depends on the …

Design and implementation of automated rotatory probe embedded system for measuring axial ratio

H Patel, G Seth, S Trivedi - 2019 URSI Asia-Pacific Radio …, 2019 - ieeexplore.ieee.org
The rotatory probe method used to determine axial ratio of Synthetic Aperture Radar (SAR)
antenna widely employs manual systems. This study was aimed to minimize human efforts …

[HTML][HTML] A 2.4 GHz switched beam antenna for indoor applications using angle of arrival estimation

R Elsamnty, AM Attiya, EAF Abdallah… - Open Journal of …, 2016 - scirp.org
This study introduces a new design of planar antenna array for ISM band applications at 2.4
GHz. This prototype is switched beam antenna, namely planar antenna with four meandered …