Results 21 to 30 of about 42,058 (273)
Interferometer angle-of-arrival determination using precalculated phases [PDF]
, 2017 Published online 1 SEP 2017A method has been developed to determine the angle of arrival (AoA) of incident radiation using precomputed lookup tables. The phase difference between two receiving antennas can be used to infer AoA as measured from the pair ...
Reid, I., Younger, J.
core +1 more source
Robust Directional Angle Estimation of Underwater Acoustic Sources Using a Marine Vehicle
Sensors, 2018 Acoustic source localization is used in many underwater applications. Acquiring an accurate directional angle for an acoustic source is crucial for source localization.
Jinwoo Choi +4 more
doaj +1 more source
Self-Localization via Circular Bluetooth 5.1 Antenna Array Receiver
IEEE Access, 2023 Future telecommunications aim to be ubiquitous and efficient, as widely deployed connectivity will allow for a variety of edge/fog based services. Challenges are numerous, e.g., spectrum overuse, energy efficiency, latency and bandwidth, battery life and
Nuno Paulino, Luis M. Pessoa
doaj +1 more source
Filter bank based fractional delay filter implementation for widely accurate broadband steering vectors [PDF]
, 2013 Applications such as broadband angle of arrival estimation require the implementation of accurate broadband steering vectors, which generally rely on fractional delay filter designs.
Alrmah, Mohamed Abubaker, Weiss, Stephan
core +1 more source
IEEE Access, 2023 The fifth-generation (5G) system utilizing millimeter wave is available in Japan, but more bandwidth is demanded by the mobile phone operators to accommodate the demand for high data rate.
Panawit Hanpinitsak +3 more
doaj +1 more source
A Survey of Latest Wi-Fi Assisted Indoor Positioning on Different Principles
Sensors, 2023 As the location-based service (LBS) plays an increasingly important role in real life, the topic of positioning attracts more and more attention. Under different environments and principles, researchers have proposed a series of positioning schemes and ...
Jihan Dai +4 more
doaj +1 more source
Broadband angle of arrival estimation methods in a polynomial matrix decomposition framework [PDF]
, 2013 A large family of broadband angle of arrival estimation algorithms are based on the coherent signal subspace (CSS) method, whereby focussing matrices appropriately align covariance matrices across narrowband frequency bins.
Alrmah, Mohamed +4 more
core +1 more source
Implementation of accurate broadband steering vectors for broadband angle of arrival estimation [PDF]
, 2013 Motivated by accurate broadband steering vector requirements for applications such as broadband angle of arrival estimation, we review fractional delay filter designs.
Alrmah, Mohamed Abubaker +2 more
core +1 more source
IEEE Access, 2018 Joint time of arrival (TOA) and angle of arrival (AOA) estimation based on a uniform circle array (UCA) involves problems, including high computational complexity in the multi-dimensional spectral search method and lack of applicability in coherent ...
Haiyun Xu +4 more
doaj +1 more source
Practical 3-D Beam Pattern Based Channel Modeling for Multi-Polarized Massive MIMO Systems
Sensors, 2018 In this paper, a practical non-stationary three-dimensional (3-D) channel models for massive multiple-input multiple-output (MIMO) systems, considering beam patterns for different antenna elements, is proposed.
Saeid Aghaeinezhadfirouzja +2 more
doaj +1 more source