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Analysis of wireless sensor network topology and estimation of optimal network deployment by deterministic radio channel characterization
(MDPI, 2015)
Artículo / Artikulua,
One of the main challenges in the implementation and design of context-aware
scenarios is the adequate deployment strategy for Wireless Sensor Networks (WSNs),
mainly due to the strong dependence of the radiofrequency ...
Characterization of wireless channel impact on wireless sensor network performance in public transportation buses
(IEEE, 2015)
Artículo / Artikulua,
Wireless communications systems are growing rapidly during the last two decades and they are gaining a significant role for multiple communication tasks within public transportation buses. In this work, the impact of ...
Impact of high power interference sources in planning and deployment of wireless sensor networks and devices in the 2.4 GHz frequency band in heterogeneous environments
(MDPI, 2012)
Artículo / Artikulua,
In this work, the impact of radiofrequency radiation leakage from microwave ovens and its effect on 802.15.4 ZigBee-compliant wireless sensor networks operating in the 2.4 GHz Industrial Scientific Medical (ISM) band is ...
Implementation of wireless sensor network architecture for interactive shopping carts to enable context-aware commercial areas
(IEEE, 2016)
Artículo / Artikulua,
An interactive shopping cart to enable context
aware environments within large commercial areas is presented.
A wireless sensor network was designed, with specific nodes
embedded within the shopping carts and infrastructure ...
Optimized wireless channel characterization in large complex environments by hybrid ray launching-collaborative filtering approach
(IEEE, 2017)
Artículo / Artikulua,
Simulation techniques based on deterministic methods such as Ray Tracing and Ray Launching, are widely used to perform radioplanning tasks. However, the quality of the simulations depends on the number of rays and the ...
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 ...