Buscar
Mostrando ítems 11-20 de 30
Analysis of radio wave propagation for ISM 2.4 GHz wireless sensor networks in inhomogeneous vegetation environments
(MDPI, 2014)
info:eu-repo/semantics/article,
The use of wireless networks has experienced exponential growth due to the improvements in terms of battery life and low consumption of the devices. However, it is compulsory to conduct previous radio propagation analysis ...
Performance analysis of ZigBee wireless networks for AAL through hybrid ray launching and collaborative filtering
(Hindawi, 2016)
info:eu-repo/semantics/article,
This paper presents a novel hybrid simulation method based on the combination of an in-house developed 3D ray launching
algorithm and a collaborative filtering (CF) technique, which will be used to analyze the performance ...
Estimation of radiofrequency power leakage from microwave ovens for dosimetric assessment at nonionizing radiation exposure levels
(Hindawi, 2015)
info:eu-repo/semantics/article,
The electromagnetic field leakage levels of nonionizing radiation from a microwave oven have been estimated within a complex
indoor scenario. By employing a hybrid simulation technique, based on coupling full wave simulation ...
Implementation and operational analysis of an interactive intensive care unit within a smart health context
(MDPI, 2018)
info:eu-repo/semantics/article,
In the context of hospital management and operation, Intensive Care Units (ICU) are
one of the most challenging in terms of time responsiveness and criticality, in which adequate
resource management and signal processing ...
Spatial characterization of radio propagation channel in urban vehicle-to-infrastructure environments to support WSNs deployment
(MDPI, 2017)
Artículo / Artikulua,
Vehicular ad hoc Networks (VANETs) enable vehicles to communicate with each other as well as with roadside units (RSUs). Although there is a significant research effort in radio channel modeling focused on vehicle-to-vehicle ...
Optimization and design of wireless systems for the implementation of context aware scenarios in railway passenger vehicles
(IEEE, 2017)
Artículo / Artikulua,
In this paper, intra-wagon wireless communication
performance is analyzed, in order to account for inherent
scenario complexity in the deployment phase of wireless systems
toward the implementation of a context-aware ...
Intelligent vehicle communication: deterministic propagation prediction in transportation systems
(IEEE, 2016)
Artículo / Artikulua,
Intelligent Transportation Systems (ITS) are currently under
intense research and development for making transportation safer and
more efficient. The development of such vehicular communication
systems requires accurate ...
A hybrid ray launching-diffusion equation approach for propagation prediction in complex indoor environments
(IEEE, 2017)
Artículo / Artikulua,
A novel and efficient deterministic approach to
model radio wave propagation channels in complex indoor
environments improving prediction accuracy is proposed. This
technique combines a 3-D Ray Launching algorithm based ...
Evaluation of the Brillouin precursor performance for ultra wide band intra-body technologies
(Taylor&Francis, 2013)
Artículo / Artikulua,
In this letter, we describe the formation and the evolution of Brillouin precursorfields through human tissues by using a frequency-domain analysis technique and amulti-pole Cole–Cole model to characterize the dielectric ...
Zigbee radio channel analysis in a complex vehicular environment [wireless corner]
(IEEE, 2014)
Artículo / Artikulua,
In this paper, the influence of topology and morphology of a particularly
complex scenario for the deployment of ZigBee wireless sensor networks is analyzed.
This complex scenario is a car. The existence of loss mechanisms ...