Results 61 to 70 of about 34,433 (291)

3D spatial fading correlation for uniform angle of arrival distribution [PDF]

open access: yes, 2015
We derive a closed-form expression for the spatial fading correlation (SFC) between two arbitrary points in 3D-space for the uniform limited azimuth-elevation angle of arrival probability density function (pdf).
Khalid, Zubair   +2 more
core   +1 more source

NEW TRENDS FOR ANGLE OF ARRIVAL ESTIMATION

open access: yesJournal of Engineering and Sustainable Development, 2018
The Angle Of Arrival (AOA) estimation of radio signal gained high attention, and effort in the last 20 years, since it is a very important tool for security purposes and for military operations, it is considered as an essential part of Electronic ...
Bassim Sayed Mohammed   +1 more
doaj  

Early‐life high‐fat diet exposure increases Achilles tendon stiffness and induces transcriptomic alterations

open access: yesFEBS Open Bio, EarlyView.
Early‐life exposure to a high‐fat diet altered intact Achilles tendons in rat offspring, making them thinner, stiffer, and molecularly distinct even without injury. These findings suggest that developmental high‐fat diet exposure may impair tendon quality and increase susceptibility to mechanical overload or tendon injury later in life.
Heyong Yin   +3 more
wiley   +1 more source

The crystal structure of the Borrelia burgdorferi nicotinamidase BBE22 resolves a long‐standing annotation error

open access: yesFEBS Open Bio, EarlyView.
The crystal structure of Borrelia burgdorferi nicotinamidase (PncA/BBE22) reveals the correct full‐length protein initiated from a non‐canonical AUU start codon. The structure validates previous biochemical findings and resolves a long‐standing annotation error, demonstrating that the truncated database sequence is structurally incompatible with the ...
Kalvis Brangulis
wiley   +1 more source

Angle of arrival estimation using BLE technology and antenna array

open access: yes, 2022
Zasnovali smo sistem za oceno kota prihoda signala s tehnologijo nizkoenergij- skega Bluetootha, ki je z namenom bolj natančnega določanja lokacij naprav, v standard verzije 5.1 dodal funkcionalnost za oceno kota prihoda signala (ang.
SIMONČIČ, ALEŠ
core  

Multipath-Assisted Ultra-Wideband Vehicle Localization in Underground Parking Environment Using Ray-Tracing

open access: yesSensors
In complex underground parking scenarios, non-line-of-sight (NLOS) obstructions significantly impede positioning signals, presenting substantial challenges for accurate vehicle localization.
Shuo Hu   +3 more
doaj   +1 more source

Vestibular Patient Journey: Insights From Vestibular Disorders Association (VeDA) Registry

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Vestibular symptoms impose a high burden of disability. Understanding real‐world diagnostic and treatment pathways can identify care gaps and guide interventions. We aimed to characterize symptom profiles, diagnostic trends, provider involvement, and treatment patterns in vestibular disorders.
Ali Rafati   +10 more
wiley   +1 more source

A new stochastic spatio-temporal propagation model (SSTPM) for mobile communications with antenna arrays [PDF]

open access: yes, 2001
In order to evaluate the performance of third-generation mobile communication systems, radio channel models are required. The models should be capable of handling nonstationary scenarios with dynamic evolution of multipath. In this context and due to the
Piechocki, RJ, Tsoulos, G, McGeehan, JP
core   +1 more source

Performance Analysis of UAV-Based FSO Communication System for Real Time Traffic Monitoring and Management in Smart Cities

open access: yesIEEE Access
This paper presents an unmanned aerial vehicle (UAV) based FSO communication system with Alamouti scheme for traffic monitoring and management in smart cities to avoid traffic congestion during peak hours.
D Komathi, G Aarthi
doaj   +1 more source

Angles of arrival of indoor multipath

open access: yesElectronics Letters, 1992
Some preliminary results of the angles of arrival of multipath components in indoor radio channel measurements are reported. The results show that strong multipath components arrive at the receiver in various directions.
T. Lo, J. Litva
openaire   +1 more source

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