Results 81 to 90 of about 1,234,392 (322)

New Approaches to the Integration of Navigation Systems for Autonomous Unmanned Vehicles (UAV)

open access: yesSensors, 2018
The article presents an overview of the theoretical and experimental work related to unmanned aerial vehicles (UAVs) motion parameters estimation based on the integration of video measurements obtained by the on-board optoelectronic camera and data from ...
Ivan Konovalenko   +6 more
doaj   +1 more source

Analysis of Transmission Rate of Wireless Networks under the Broadcast Approach with Continuum of Transmission Layers [PDF]

open access: yesarXiv, 2019
In this letter, we characterize the performance of broadcast approach with continuum of transmission layers in random wireless networks where the channel state information (CSI) is assumed to be known only at the receiver. By modeling the transmitter-receiver pairs using bipolar Poisson point process, we derive analytical expressions for the mean and ...
arxiv  

Hard Fusion Based Spectrum Sensing over Mobile Fading Channels in Cognitive Vehicular Networks

open access: yesSensors, 2018
An explosive growth in vehicular wireless applications gives rise to spectrum resource starvation. Cognitive radio has been used in vehicular networks to mitigate the impending spectrum starvation problem by allowing vehicles to fully exploit spectrum ...
Xiaomin Qian   +3 more
doaj   +1 more source

IRSA Transmission Optimization via Online Learning [PDF]

open access: yesarXiv, 2018
In this work, we propose a new learning framework for optimising transmission strategies when irregular repetition slotted ALOHA (IRSA) MAC protocol is considered. We cast the online optimisation of the MAC protocol design as a multi-arm bandit problem that exploits the IRSA structure in the learning framework. Our learning algorithm quickly learns the
arxiv  

Loss of transmission on directed networks due to link deletion [PDF]

open access: yesarXiv, 2019
We investigate the effects of link deletion on a 1 - to - 1 transmission process occurring on various models of directed networks and characterize them in terms of the fraction of successful transmissions and average transmission time. We make intuitive arguments and numerically show that the probability of successful transmission depends, on an ...
arxiv  

Machine Learning Methods for Seismic Hazards Forecast

open access: yesGeosciences, 2019
In this paper, we suggest two machine learning methods for seismic hazard forecast. The first method is used for spatial forecasting of maximum possible earthquake magnitudes ( M m a x ), whereas the second is used for spatio-temporal forecasting
Valeri G. Gitis   +1 more
doaj   +1 more source

Apoptotic gene loss in Cnidaria is associated with transition to parasitism

open access: yesScientific Reports, 2023
The phylum Cnidaria consists of several morphologically diverse classes including Anthozoa, Cubozoa, Hydrozoa, Polypodiozoa, Scyphozoa, Staurozoa, and Myxozoa.
Alexander M. Neverov   +5 more
doaj   +1 more source

Partial Third-Party Information Exchange with Network Coding [PDF]

open access: yesIEEE Communications Letters, 2013, 2013
In this paper, we consider the problem of exchanging channel state information in a wireless network such that a subset of the clients can obtain the complete channel state information of all the links in the network. We first derive the minimum number of required transmissions for such partial third-party information exchange problem.
arxiv  

Strategic Information Acquisition and Transmission [PDF]

open access: yesAmerican Economic Journal: Microeconomics, 2016
This paper explores the implications of costly information acquisition in a strategic communication setting. We show that equilibrium decisions based on a biased expert's advice may be more precise than when information is directly acquired by the decision maker, even if the expert is not more efficient than the decision maker at acquiring information.
Argenziano, Rossella   +2 more
openaire   +3 more sources

Neural network algorithm for optical-SAR image registration based on a uniform grid of points

open access: yesКомпьютерная оптика
The paper considers the problem of satellite multimodal image registration, in particular, optical and SAR (Synthetic Aperture Radar). Such algorithms are used in object detection, change detection, navigation.
V.V. Volkov, E.A. Shvets
doaj   +1 more source

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