José Javier Astráin
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View article: Towards a Heat-Resistant Tethered Micro-Aerial Vehicle for Structure Fire Sensing
Towards a Heat-Resistant Tethered Micro-Aerial Vehicle for Structure Fire Sensing Open
The collapse of structures during firefighter intervention is one of the greatest risks that firefighters must face when entering buildings. To reduce these risks, situational awareness is key. Although many advances have already been deve…
View article: UAV takeoff in Windy Conditions using DQN
UAV takeoff in Windy Conditions using DQN Open
Drone navigation is critical, particularly during the initial and final phases, such as the initial ascension, where pilots may fail due to strong external disturbances that could lead to a crash. In this ongoing work, a drone has been suc…
VTOL UAV digital twin for take-off, hovering and landing in different wind conditions Open
With UAVs becoming increasingly popular in the industry, vertical take-off and landing \n(VTOL) convertiplanes are emerging as a compromise between the advantages of planes and \nmulticopters. Due to their large wing surface area, VTOL con…
Smart Charging Station with Photovoltaic and Energy Storage for Supplying Electric Buses Open
A Smart Charging Station (SCS) has been installed in the Public University of Navarre, Spain, in the framework of the H2020 Smart City Lighthouse STARDUST project. The SCS consists of a high-power electric bus charging point (300 kW), a 10…
Bi2Bi Communication: Toward Encouragement of Sustainable Smart Mobility Open
Sustainable urban mobility refers to the sustainable transportation mode in terms of social, environmental, and climate impacts. Cycling has emerged as one of the most sustainable means of urban travel due to its flexibility, low costs, re…
Intelligent SDN-Based Multi-protocol Selector for IoT-enabled NMT Networks Open
The popularity of the Internet of Things is increasing and it is being used in many commercial sectors, using customized technologies for specific environments. Applications and protocols, and the unique requirements of each environment, p…
Monitoring of Electric Buses Within an Urban Smart City Environment Open
A practical experience on monitoring the data generated by electric buses is presented, focusing on energy consumption, charge and state of the batteries. The work is carried out in the framework of a global smart city strategy developed b…
Smart System with Artificial Intelligence for Sensory Gloves Open
This paper presents a new sensory system based on advanced algorithms and machine learning techniques that provides sensory gloves with the ability to ensure real-time connection of all connectors in the cabling of a cockpit module. Beside…
Enabling Customizable Services for Multimodal Smart Mobility With City-Platforms Open
In the last decades, the cities' capacity for generating digital information has grown exponentially. In this context, the successful implementation of smart cities' concept depends on the current possibility of handling the significant vo…
Basketball Player On-Body Biophysical and Environmental Parameter Monitoring Based on Wireless Sensor Network Integration Open
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 experiences. Th…
Radio Wave Propagation and WSN Deployment in Complex Utility Tunnel Environments Open
The significant growth of wireless communications systems in the last years has led to the adoption of a wide range of applications not only for the general public but, also, including utilities and administrative authorities. In this cont…
View article: Low-Cost Cloud-Enabled Wireless Monitoring System for Linear Fresnel Solar Plants
Low-Cost Cloud-Enabled Wireless Monitoring System for Linear Fresnel Solar Plants Open
This paper presents the design of a cost-effective online wireless monitoring system for two linear Fresnel reflector (LFR) solar plants located in two different countries. The first LFR plant is installed in the SEKEM medical center near …
Patient Tracking in a Multi-Building, Tunnel-Connected Hospital Complex Open
Patients admitted to Intensive Care Units (ICU) are transported from and to other units. Knowing their location is strategic for a sound planning of intra-hospital transports as well as resources management. This is even more crucial in bi…
Helping People with Language Learning Disabilities Using Native Mobile Voice Recognition — Exploring Its Limits and Advantages Open
This article presents an intelligent system for people with language learning disabilities called MarLuc. MarLuc aims to improve people’s skills in their native language rather than a second language. The system was born as a tiny Computer…
Implementation of an Interactive Environment With Multilevel Wireless Links for Distributed Botanical Garden in University Campus Open
In this contribution, an end to end system to enable user interaction with a distributed botanicaluniversity campus garden is designed, implemented and tested. The proposed system employs differentwireless links to collect data related to …
Aggregator to Electric Vehicle LoRaWAN Based Communication Analysis in Vehicle-to-Grid Systems in Smart Cities Open
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 an important contr…
View article: Analysis and Design of IoT-Enabled, Low-Cost Distributed Angle Measurement System
Analysis and Design of IoT-Enabled, Low-Cost Distributed Angle Measurement System Open
A Linear Fresnel Reflector (LFR) is a recent technology with good potential in small-scale solar power applications. It is composed of many long rows of mirrors that focus the sunlight onto a fixed elevated tubular receiver. Mirror segment…
Wireless Channel Characterization and System Analysis of Complex Utility Tunnel Environments Open
The evolution of wireless communications has led to the adoption of a wide range of applications and utilities not only by the general public but also by administrative authorities. Consequently, the huge growth of new city services requir…
Multi-Level Internet of Things Communication Strategy for Microgrid Smart Network Open
Microgrids are one of the main drivers in achieving sustainable energy management in the context of smart cities and smart regions. In this way, multiple energy sources are employed and overall system performance is given by adequate infor…
Integration of Autonomous Wireless Sensor Networks in Academic School Gardens Open
In this work, the combination of capabilities provided by Wireless Sensor Networks (WSN) with parameter observation in a school garden is employed in order to provide an environment for school garden integration as a complementary educatio…
Deterministic Propagation Modeling for Intelligent Vehicle Communication in Smart Cities Open
Vehicular Ad Hoc Networks (VANETs) are envisaged to be a critical building block of Smart Cities and Intelligent Transportation System (ITS) where applications for pollution, congestion reduction, vehicle mobility improvement, accident pre…
Implementation and Operational Analysis of an Interactive Intensive Care Unit within a Smart Health Context Open
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 play a key role in…
Integration of Autonomous Wireless Sensor Networks in Academic School Gardens Open
In this work, the combination of capabilities provided by Wireless Sensor Networks (WSN) with parameter observation in a school garden is employed in order to provide an environment for school garden integration as a complementary educatio…
Deterministic Propagation Modeling for Intelligent Vehicle Communication in Smart Cities Open
Vehicular Ad Hoc Networks (VANETs) are envisaged to be a critical building block of Smart Cities and Intelligent Transportation System (ITS) where applications for pollution and congestion reduction, vehicle mobility improving, accidents p…
Wireless System Integration to Enable Smart Cities and Smart Regions Open
The advent of Smart Cities and its extension to Smart Regions requires seamless interaction of systems as well as with users, in a context where a great deal of devices exhibit potential network connectivity. Wireless systems are key eleme…
Challenges in Wireless System Integration as Enablers for Indoor Context Aware Environments Open
The advent of fully interactive environments within Smart Cities and Smart Regions requires the use of multiple wireless systems. In the case of user-device interaction, which finds multiple applications such as Ambient Assisted Living, In…
Spatial Characterization of Radio Propagation Channel in Urban Vehicle-to-Infrastructure Environments to Support WSNs Deployment Open
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 (V2V), not muc…