Azimuth angle estimation for a reduced radiation region formed by a metaspiral antenna

H Nakano, T Abe, T Kawano, A Mehta… - IEEE Access, 2019 - ieeexplore.ieee.org
A two-arm metaspiral antenna is presented, where the feeding voltage sources are
expressed using excitation amplitude r and deviation angle δ. This excitation is decomposed …

An Amplitude Comparison Direction-Finding Antenna Assembly for Mounting on a Small Flight Vehicle

J Kim - Journal of the Korea Institute of Military Science and …, 2020 - koreascience.kr
In this paper, a compact antenna assembly for an amplitude comparison direction-finding
(DF) method for a small flight vehicle is presented. Designed antenna assembly consists of …

Directive antenna design at 2.4 GHz on foot surface for wanderer location identification

MI Haque, K Yoshibayashi, J Wang… - … on Antennas and …, 2021 - ieeexplore.ieee.org
A directional patch array antenna was designed for wanderer location identification. The
antenna was used for foot-mounted BLE beacons at 2.4 GHz band. Its directional …

On the Antenna Positioning for a Faster and Better Radiation Pattern Characterization

N Mézières, B Fuchs, L Le Coq, JM Lerat… - 2021 15th European …, 2021 - ieeexplore.ieee.org
The positioning of the antenna under test in the measurement coordinate system is a crucial
part in antenna measurements. When the antenna is properly centered and oriented with …

Direction of arrival estimation by using artificial neural networks

A Rajani, P Kora - 2021 Third International Conference on …, 2021 - ieeexplore.ieee.org
Direction-of-arrival (DOA) evaluation involves the procedure by which multiple
electromagnetic (EM) waves from the outputs of various receiving antennas that construct a …

Development of active directional antennae for use in small UAVs

Y Guo, SD Prior - Innovation, Communication and Engineering, 2013 - books.google.com
Five different light-weight, medium and high gain directional antennas have been
developed, which can be operated together with a gimbals system on the UAV or an …

A survey on automatic antenna rotator system

VM Jayakrishnan, ML Liya - … Conference on I-SMAC (IoT in …, 2021 - ieeexplore.ieee.org
Antenna rotators plays a significant role in wireless communication systems. The automatic
reorientation of the antenna makes it more flexible for Indoor/Outdoor applications. One of …

Development of AVR microcontroller-based antenna measurement tool for student experimentation

MA Wibisono, A Munir - 2015 9th International Conference on …, 2015 - ieeexplore.ieee.org
A development of antenna measurement tool for student experimentation is proposed based
on AVR microcontroller as main controller unit (MCU). The system of antenna measurement …

Theory underlying measurement of AOA with a rotating directional antenna

Y Chen, Z Liu, X Fu, B Liu… - 2013 Proceedings IEEE …, 2013 - ieeexplore.ieee.org
In many wireless localization applications, we rotate a directional antenna to derive the
angle of arrival (AOA) of wireless signals transmitted from a target mobile device. The AOA …

Research and Assessment of Antenna Polarization Characteristics for Indoor Positioning Applications

MDH Le, HT Nguyen, ND Ho, LH Trinh… - … IEEE Conference on …, 2022 - ieeexplore.ieee.org
This paper presents the positioning results using RToF (Return Time of Flight) of Circularly
Polarized Antenna (CP) and Linear Polarized Antenna (LP) that are integrated into the small …