Results 31 to 40 of about 61,990 (319)

Interferometer angle-of-arrival determination using precalculated phases [PDF]

open access: yes, 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

Maximum-Likelihood-Based Location, Orientation, Transmitted Power, and Antenna Beamwidth Estimator Utilizing the Angle-of-Arrival and Received Power for Spectrum Sharing at Millimeter Wave Bands

open access: yesIEEE 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

PERFORMANCE ANALYSIS OF BLE 5.1 NEW FEATURE ANGLE OF ARRIVAL FOR RELATIVE POSITIONING

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
. The official release of Bluetooth Core Specification, version 5.1 in 2019, provides a new feature for direction determination. It introduces a fine-grained angle measurement capability including Angle of Arriva (AoA) and Angle of Departure, which is ...
M. Qian, K. Zhao, A. Seneviratne, B. Li
semanticscholar   +1 more source

Self-Localization via Circular Bluetooth 5.1 Antenna Array Receiver

open access: yesIEEE 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]

open access: yes, 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

A Survey of Latest Wi-Fi Assisted Indoor Positioning on Different Principles

open access: yesSensors, 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

Fast Joint Estimation of Time of Arrival and Angle of Arrival in Complex Multipath Environment Using OFDM

open access: yesIEEE 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

open access: yesSensors, 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

An Angle Recognition Algorithm for Tracking Moving Targets Using WiFi Signals with Adaptive Spatiotemporal Clustering

open access: yesSensors, 2021
An angle estimation algorithm for tracking indoor moving targets with WiFi is proposed. First, phase calibration and static path elimination are proposed and performed on the collected channel state information signals from different antennas.
Liping Tian   +3 more
doaj   +1 more source

Direct Position Determination of Multiple Radio Signals

open access: yesEURASIP Journal on Advances in Signal Processing, 2005
The most common methods for position determination of radio signal emitters such as communications or radar transmitters are based on measuring a specified parameter such as angle of arrival (AOA) or time of arrival (TOA) of the signal.
Weiss Anthony J, Amar Alon
doaj   +1 more source

Home - About - Disclaimer - Privacy