Buscar
Mostrando ítems 1-10 de 38
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 ...
Analysis of radio wave propagation for ISM 2.4GHz wireless sensor networks in inhomogeneous vegetation environments
(2014)
Contribución a congreso / Biltzarrerako ekarpena,
The use of wireless networks has been extended in an exponential growing due to the improvement in terms of battery life and low consumption of the devices. However, it is highly important to conduct previous radio propagation ...
Evaluation of electromagnetic interference and exposure assessment from s-Health solutions based on Wi-Fi devices
(Hindawi Publishing Corporation, 2015)
Artículo / Artikulua,
In the last decade the number of wireless devices operating at the frequency band of 2.4GHz has increased in several settings, such as
healthcare, occupational, and household. In this work, the emissions fromWi-Fi transceivers ...
Analysis and description of HOLTIN service provision for AECG monitoring in complex indoor environments
(MDPI, 2013)
Artículo / Artikulua,
In this work, a novel ambulatory ECG monitoring device developed in-house called HOLTIN is analyzed when operating in complex indoor scenarios. The HOLTIN system is described, from the technological platform level to its ...
Evaluation of electromagnetic dosimetry of wireless systems in complex indoor scenarios with human body interaction
(EMW Publishing, 2012)
Artículo / Artikulua,
In this work, the influence of human body within the estimation of dosimetric values is analyzed. A simplified human body model, including the dispersive nature of material parameters of internal organs, skin, muscle, bones ...
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 ...
IVAN: Intelligent van for the distribution of pharmaceutical drugs
(MDPI, 2012)
Artículo / Artikulua,
This paper describes a telematic system based on an intelligent van which is capable of tracing pharmaceutical drugs over delivery routes from a warehouse to pharmacies, without altering carriers' daily conventional tasks. ...
Frequency selective properties of coaxial transmission lines loaded with combined artificial inclusions
(Hindawi, 2014)
info:eu-repo/semantics/article,
The properties of a modified coaxial transmission line by periodic inclusions will be discussed. The introduction of split ring
resonators, conductor stubs, air gaps, and combination of these gives rise to new frequency ...
Gain improvement of dual band antenna based on complementary rectangular split-ring resonator
(Hindawi / Wiley, 2012)
info:eu-repo/semantics/article,
A simple and successful dual band patch linear polarized rectangular antenna design is presented. The dual band antenna is
designed etching a complementary rectangular split-ring resonator in the patch of a conventional ...