Listar Artículos de revista DIEC - IEKS Aldizkari artikuluak por autor UPNA "Azpilicueta Fernández de las Heras, Leyre"
Mostrando ítems 1-20 de 44
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A 3-D indoor analysis of path loss modeling using kriging techniques
This study proposes a novel measurement-based method to predict and model three-dimensional (3-D) path loss in indoor scenarios, which first regresses 28 GHz measurements via median path loss modeling and then includes ... -
A 3D ray launching time-frequency channel modeling approach for UWB ranging applications
Ultrawideband (UWB) has the ability to achieve decimetre level of ranging accuracy, hence, its wider usage nowadays in the field of positioning. In spite of the attractiveness of UWB, its performance is strongly dependent ... -
3D-ray launching MIMO channel geometric estimation
The complete multiple-input–multiple-output (MIMO) channel simulation in deterministic techniques can be a computationally intensive task, due to the inherent scenario’s complexity and number of antennas. The spatial ... -
5G spatial modeling of personal RF-EMF assessment within aircrafts cabin environments
Recently, new wireless communication systems within aircrafts cabins have drawn higher attention due to the growing demand of passenger services and applications and their corresponding requirements and constraints. In ... -
Aggregator to electric vehicle LoRaWAN based communication analysis in vehicle-to-grid systems in smart cities
Recently, there has been growing attention to the power grid management due to the increasing concerns on global warming. With the advancement in electric vehicles (EV) industry and the evolution in batteries, EVs become ... -
Analysis of low power wide area network wireless technologies in smart agriculture for large-scale farm monitoring and tractor communications
In this paper, the assessment of multiple scenario cases for large-scale farm monitoring using Low-Power Wide-Area Network (LPWAN) based near-ground sensor nodes with the interaction of both tractors and farmers are ... -
Basketball player on-body biophysical and environmental parameter monitoring based on wireless sensor network integration
Sport activities have benefited in recent years from the progressive adoption of different technological assets in order to improve individual as well as group training, collect different statistics or enhance the spectator ... -
Building decentralized fog computing-based smart parking systems: from deterministic propagation modeling to practical deployment
The traditional process of finding a vacant parking slot is often inefficient: it increases driving time, traffic congestion, fuel consumption and exhaust emissions. To address such problems, smart parking systems have ... -
A comprehensive survey of 'metamaterial transmission-line based antennas: design, challenges, and applications'
In this review paper, a comprehensive study on the concept, theory, and applications of composite right/left-handed transmission lines (CRLH-TLs) by considering their use in antenna system designs have been provided. It ... -
A comprehensive survey on "Various decoupling mechanisms with focus on metamaterial and metasurface principles applicable to SAR and MIMO antenna systems"
Nowadays synthetic aperture radar (SAR) and multiple-input-multiple-output (MIMO) antenna systems with the capability to radiate waves in more than one pattern and polarization are playing a key role in modern telecommunication ... -
A comprehensive survey on 'circular polarized antennas' for existing and emerging wireless communication technologies
Circular polarized (CP) antennas are well suited for long-distance transmission attainment. In order to be adaptable for beyond 5G communication, a detailed and systematic investigation of their important conventional ... -
Design and empirical validation of a Bluetooth 5 fog computing based industrial CPS architecture for intelligent industry 4.0 shipyard workshops
Navantia, one of largest European shipbuilders, is creating a fog computing based Industrial Cyber-Physical System (ICPS) for monitoring in real-time its pipe workshops in order to track pipes and keep their traceability. ... -
Design and empirical validation of a LoRaWAN IoT Smart Irrigation System
In some parts of the world, climate change has led to periods of drought that require managing efficiently the scarce water and energy resources. This paper proposes an IoT smart irrigation system specifically designed for ... -
Design and experimental validation of a LoRaWAN fog computing based architecture for IoT enabled smart campus applications
A smart campus is an intelligent infrastructure where smart sensors and actuators collaborate to collect information and interact with the machines, tools, and users of a university campus. As in a smart city, a smart ... -
Design and experimental validation of an augmented reality system with wireless integration for context aware enhanced show experience in auditoriums
The development of multiple cultural and social related activities, such as shows related with the performing arts, conferences or presentations rely on facilities such as auditoriums, theatres and conference sites, which ... -
Design, implementation, and empirical validation of an IoT smart irrigation system for fog computing applications based on Lora and Lorawan sensor nodes
Climate change is driving new solutions to manage water more efficiently. Such solutions involve the development of smart irrigation systems where Internet of Things (IoT) nodes are deployed throughout large areas. In ... -
Deterministic 3D ray-launching millimeter wave channel characterization for vehicular communications in urban environments
The increasing demand for more sensors inside vehicles pursues the intention of making vehicles more 'intelligent'. In this context, the vision of fully connected and autonomous cars is becoming more tangible and will turn ... -
Deterministic and empirical approach for millimeter-wave complex outdoor smart parking solution deployments
The characterization of different vegetation/vehicle densities and their corresponding effects on large-scale channel parameters such as path loss can provide important information during the deployment of wireless ... -
Deterministic propagation approach for millimeter-wave outdoor smart parking solution deployment
Impact factor as an indicator of efficiency or sustainability is entirely correlated with the continuous development of the smart city concept technology application. Intelligent transportation systems (ITSs) and particularly ... -
Deterministic wireless channel characterization towards the integration of communication capabilities to enable context aware industrial internet of thing environments
In order to provide interactive capabilities within the context of Internet of Thing (IoT) applications, wireless communication systems play a key role, owing to in-herent mobility, ubiquity and ease of deployment. However, ...