Unai Hernandez

Unai Hernandez
University of Deusto | DEUSTO · Telecommunications

PhD in Telecommunications

About

134
Publications
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Introduction

Publications

Publications (134)
Article
This article proposes a roadmap for the VISIR remote laboratory based on a SWOT analysis performed by fifteen experts, with large experience on VISIR deployment, and their perceptions in three categories: Technical, Pedagogical and Educational. The resulting VISIR roadmap was obtained considering an underlying strategy based on a RAKID model. The m...
Article
Platooning is an application where a group of vehicles move one after each other in close proximity, acting jointly as a single physical system. The scope of platooning is to improve safety, reduce fuel consumption, and increase road use efficiency. Even if conceived several decades ago as a concept, based on the new progress in automation and vehi...
Article
This paper treats the sharing of the radio spectrum by cellular and vehicular users, focussing on maximizing the throughput of these users while respecting the required quality of service. The proposed method is called RODEO, and has been designed for the development of applications in a cooperative vehicular scenario, where vehicles in a certain g...
Article
Full-text available
Remote laboratories have been in use for 25 years now. Whereas several learning oriented meta-analyses exist, validated and agreed-upon tools for assessing the user experience are not readily available. The present paper fills this gap by designing and evaluating a questionnaire focused on the needs of remote labs developers and educators using the...
Article
Full-text available
Like other sources of pollution, noise is considered to be one of the main concerns of citizens, due to its invisibility and the potential harm it can cause. Noise pollution could be considered as one of the biggest quality-of-life concerns for urban residents in big cities, mainly due to the high levels of noise to which they may be exposed. Such...
Chapter
Cities are getting bigger and bigger, this means an increase in the concentration of population and therefore noise. This can pose a danger to our health, because without realizing it we could be exposing our body to noise levels much higher than permitted, but due to routine and being used to them, we do not give importance. To try to tackle this...
Chapter
During the last ten years, the University of Deusto is using VISIR remote lab for analog electronics in the Faculty of Engineering. Present paper shows how we are using the VISIR with students, and its results. It is a catalog of experiments to invite other universities to join the VISIR consortium. Ongoing and future research in VISIR are also pre...
Chapter
The Universidad Estatal a Distancia (UNED) in Costa Rica is the public distance-education university in Costa Rica. It has been regularly using different types of remote laboratories since 2017, and is in the process of deploying new remote laboratories, as well as providing high quality simulations for improving the experimentation process in dist...
Preprint
Full-text available
The Universidad Estatal a Distancia (UNED) in Costa Rica is the public distance-education university in Costa Rica. It has been regularly using different types of remote laboratories since 2017, and is in the process of deploying new remote laboratories, as well as providing high quality simulations for improving the experimentation process in dist...
Chapter
Remote laboratories are hardware and software tools that enable students to access real equipment through the Internet. Remote Laboratory Management Systems (RLMS) are software tools developed for creating remote laboratories in an easier way, providing some of the transversal features common in most remote labs (such as authentication, authorizati...
Preprint
Full-text available
There is no doubt that experimental work is fundamental in the teaching of physics, however neither the accurate spaces nor the equipment for its fulfillment are always available. Taking into account the range of Remote Labs (RL) as resources for teaching and learning, the Open State University (UNED) from Costa Rica has started the Remote Testing...
Chapter
The tool named WebLab-Boole-Deusto allows users to design and implement a bit-level combinational digital circuit. This tool helps students during the design process step by step: truth table, K-maps, Boolean minimization, Boolean expressions, and digital circuit. Also, students can access a remote lab for implementing and testing the system design...
Article
Full-text available
In the framework of the Internet of Things (IoT) and more specifically the Internet of Vehicles (IoV), vehicles are called upon to play a key role as mobile sensors. Their high mobility and the large amount of electronics they currently deploy allow them to act as mobile information collectors in the places where they circulate. Together with these...
Conference Paper
A remote laboratory is a hardware and software solution that enables students to interact with real equipment located somewhere else on the internet. This way, students interact with a real laboratory as if they were on a hands-on-lab session. Once the equipment is remote, it is also possible to share it among institutions, so students from one sch...
Chapter
Full-text available
Vehicular Ad-Hoc Networks (VANETs) have attracted a high interest in recent years due to the huge number of innovative applications that they can enable. Some of these applications can have a high impact on reducing Greenhouse Gas emissions produced by vehicles, especially those related to traffic management and driver assistance. Many of these ser...
Conference Paper
Full-text available
Since the engagement of Universidad Nacional de Rosario (UNR) in the VISIR+ Project, several courses in the career of Electronic Engineering (EE) have incorporated experiments with electronic circuits based on VISIR remote lab. Three educational implementations in courses of the career of EE at UNR are introduced in this paper. Evaluation results a...
Chapter
Experimenting is fundamental to the training process of all scientists and engineers. While experiments have been traditionally done inside laboratories, the emergence of Information and Communication Technologies added two alternatives accessible anytime, anywhere. These two alternatives are known as virtual and remote laboratories and are sometim...
Chapter
WebLab-Deusto is an open-source Remote Laboratory Management System (RLMS). On top of it, one can develop and manage remote laboratories and share them with other institutions. This chapter describes the architecture and features of the system, as well as a nontechnical view of other aspects such as how to share laboratories in the context of WebLa...
Conference Paper
The VISIR+ Project was launched in 2015 with the objective of spreading the use of the VISIR remote laboratory in Latin America, promoting an enquiry-based approach to teaching and learning on electric and electronic circuits. Within the scope of this project, several didactical implementations were achieved both in Argentina and in Brazil. This ar...
Conference Paper
Full-text available
En este trabajo se presenta una propuesta didáctica para facilitar el proceso de enseñanza y aprendizaje del tema circuitos eléctricos en la escuela media bajo la metodología por indagación. Esta metodología será implementada por el Ministerio de Educación Pública de Costa Rica a partir del año 2018. La propuesta se ha diseñado tomado en cuenta los...
Chapter
A remote laboratory is a software and hardware tool that enables students to access real equipment located somewhere else through the Internet. This equipment is usually located in universities, schools or research centers. During the last couple of decades, different initiatives have emerged dealing with the development and management of remote la...
Chapter
Full-text available
The learning of technical and science disciplines requires experimental and practical training. Hands-on labs are the natural scenarios where practical skills can be developed but, thanks to Information and Communication Technologies (ICT), virtual and remote labs can provide a framework where Science, Technology, Engineering and Mathematics (STEM)...
Chapter
Programming is part of the curricula in different subjects and countries. To face this challenge, schools are using visual programming (e.g., Scratch, Blockly) and/or educational robots. Some combinations of these two tools are very popular, such as the Lego Mindstorm robots. This work presents a remote controlled robot called RoboBlock, and its ma...
Chapter
This paper describes a new system developed to improve the import process of steel coils driven into a port terminal in the Port of Bilbao. A new RFID based system minimizes mistakes in identification of the coils during the inland movements of goods.
Chapter
The concept of smart cities comprises a wide range of control and actuators systems aimed to improve the habitability and perception that citizens have of cities. A smart city covers many of these systems, ranging from applications that facilitate the governance of cities and encourage citizens’ participation to services focused on improving their...
Chapter
Experimental competences allow engineering students to consolidate knowledge and skills. Remote labs are a powerful tool to aid students in those developments. The VISIR remote lab was considered the best remote lab in the world in 2015. The VISIR+ project main goal is to spread VISIR usage in Brazil and Argentina, providing technical and didactica...
Conference Paper
Full-text available
Resumen: Este trabajo describe una implementación didáctica del laboratorio remoto VISIR en el Instituto Politécnico Superior, en un curso de Física de nivel secundario con una estrategia de aprendizaje inductivo. El estudio presentado se enfoca en el análisis de la influencia de la herramienta utilizada en el entusiasmo de los estudiantes y en la...
Article
Full-text available
The evolution of the IoT (Internet of Things) paradigm applied to new scenarios as VANETs (Vehicular Ad Hoc Networks) has gained momentum in recent years. Both academia and industry have triggered advanced studies in the IoV (Internet of Vehicles), which is understood as an ecosystem where different types of users (vehicles, elements of the infrast...
Conference Paper
Full-text available
La actividad experimental es fundamental en la enseñanza de las ciencias en cualquier nivel de educación, para la comprensión de los contenidos, pero también para despertar el interés en las asignaturas científicas. La motivación de los estudiantes y el trabajo colaborativo son aspectos esenciales para lograr resultados positivos en el aprendizaje....
Conference Paper
Full-text available
“Virtual Instruments System in Reality” (VISIR) es una plataforma laboratorio de acceso remoto desarrollada en el Departamento de Ingeniería Electrónica del Instituto de Tecnología de Blekinge (BTH), Suecia. VISIR ha sido empleada y evaluada en varios países e instituciones en el mundo, reportándose en la bibliografía que la misma facilita el logro...
Conference Paper
Full-text available
En este trabajo analizamos la idoneidad epistémica y cognitiva de una actividad implementada por un docente de Física con estudiantes universitarios de segundo año de carreras de ingeniería. La actividad propone utilizar la plataforma Visir (Laboratorio Remoto) para llevar a cabo experimentos con circuitos de corriente continua destinada a profundi...
Conference Paper
The learning of Physics involves building up and using lab experiments. In turn, teachers must be trained in experimenting and using several resources that enable them to design valuable teaching strategies and learning activities. Thanks to Information and Communication Technologies (ICT), virtual and remote labs can provide a framework where phys...
Conference Paper
Experimental competences allow engineering students to consolidate knowledge and skills. Re-mote labs are a powerful tool to aid students in those developments. The VISIR remote lab was considered the best remote lab in the world in 2015. The VISIR+ project main goal is to spread VISIR usage in Brazil and Argentina, providing technical and didactic...
Conference Paper
Full-text available
Research activities in the Vehicle-to-Everything do-main have gained momentum in the recent years. A strivefor ”intelligent” cars, at certain stage probably even entirelyautonomous, has triggered advanced studies - in both academiaand industry. One of the significant issues to be addressed ishow to efficiently share the available radio resources am...
Conference Paper
Experiments have been at the heart of scientific development and education for centuries. From the outburst of Information and Communication Technologies, virtual and remote labs have added to hands-on labs a new conception of practical experience, especially in Science, Technology, Engineering and Mathematics education. This paper aims at describi...
Article
Remote laboratories give students the opportunity of experimenting in STEM by using the Internet to control and measure an experimental setting. Remote laboratories are increasingly used in the classroom to complement, or substitute for, hands-on laboratories, so it is important to know its learning value. While many authors approach this question...
Conference Paper
Full-text available
Experimental activities with real components are an essential part of all courses including or devoted to electrical and electronic circuits theory and practice. The knowledge triangle composed of hand-written exercises, simulations and traditional lab experiments has been enriched with the possibility for students to conduct real experiments over...
Conference Paper
This conceptual test shows how the proposed Cooperative Safety system for Vulnerable Road Users (CS4VRU) architecture can be used to alert cyclists about closing vehicles adding a wearable device embedded in their helmet. Over the architecture provided by CS4VRU a safety application has been developed using the cellular as a communications hub that...
Conference Paper
Students of technological fields must practice so as to properly learn a particular field. There are different ways to practice: hands-on-lab in a real environment or a mockup, datasets (and tools for analyzing these datasets), or simulations. Each solution provides different advantages and disadvantages. For example, students might not prefer simu...
Chapter
This chapter proposes a direction aware cluster-based multichannel MAC (DA-CMAC) protocol for Vehicular Ad-Hoc Networks (VANETs) in which vehicles travelling in the opposite direction may result in a short communication period. Clustering based on the direction of travel can reduce the cost of reconfiguration due to the short communication period....
Article
A new system for building and measuring real analog electronic circuits has been developed and validated in the area of remote laboratories. The innovation of this work lies in the use of standardized solutions and non-proprietary solutions for designing and developing remote labs. This decision facilitates and improves the set-up, maintenance and...
Conference Paper
In this paper the systems developed in the framework of the SELICA project are described. The project aims to monitor the fresh-food cold chain and control its temperature and humidity levels. After a preliminary analysis of the cold chain, two blackspots were detected: load and unload areas and the means of transport. For this purpose a set of tem...
Article
In the Master's of Telecommunication Engineering program at the University of Deusto, Spain, courses in communication circuit design, electronic instrumentation, advanced systems for signal processing and radiocommunication systems allow students to acquire concepts crucial to the fields of electronics and communication. During the educational proj...
Conference Paper
Full-text available
This paper proposes a direction based clustering and multi-channel medium access control (DA-CMAC) protocol for Vehicular Ad Hoc Networks (VANETs). Vehicles travelling in the opposite direction may result in a short communication period. Clustering based on the direction of travel can reduce the cost of reconfiguration due to the short communicatio...
Article
Full-text available
V-Alert is a cooperative application to be deployed in the frame of Smart Cities with the aim of reducing the probability of accidents involving Vulnerable Road Users (VRU) and vehicles. The architecture of V-Alert combines short- and long-range communication technologies in order to provide more time to the drivers and VRU to take the appropriate...
Article
This paper focuses on the application of Multi-Objective Evolutionary Algorithms (MOEAs) to develop a Fuzzy Rule-Based System (FRBS) dedicated to manage the speed of an autonomous vehicle in an intersection scenario. Compared to other intersection scenarios, the main point here is that the autonomous vehicle is approaching an intersection that is b...
Conference Paper
This paper presents a remote lab designed for teaching the Archimedes’ principle to secondary school students, as well as an online virtual lab on the general domain of buoyancy. The Archimedes remote lab is integrated into WebLab-Deusto. Both labs are promoted for usage in frame of the Go-Lab European project.
Conference Paper
The paper presents a remote lab for teaching the Archimedes' Principle. The Archimedes Lab is designed and implemented using sensors, electronic board, test tubes, high definition cameras, motors and objects. It is integrated into the WebLab-Deusto platform.
Article
Full-text available
Recent developments in electronics and wireless communications have enabled the improvement of low-power and low-cost wireless sensors networks (WSNs). One of the most important challenges in WSNs is to increase the network lifetime due to the limited energy capacity of the network nodes. Another major challenge in WSNs is the hot spots that emerge...
Conference Paper
Full-text available
Recently, we are witnessing increased interest in the research of Vehicular Ad-hoc Networks (VANETs). Due to the peculiar characteristics of VANETs, such as high speed, the unstable communication link, and network partitioning, information transfer becomes inevitably challenging. The main communication challenges in vehicle to vehicle communication...
Article
Full-text available
Vehicular Networks enable a vast number of innovative applications, which rely on the efficient exchange of information between vehicles and infrastructure (V2V/V2I). However, efficient and reliable data dissemination is particularly challenging in the context of vehicular networks due to the underlying properties of these networks, limited network...
Chapter
Full-text available
Wireless communications have a strong impact on improving the quality of life in this century. Smart phones industry is now considered one of the most attractive fields, so advanced research is conducted in order to improve the quality of service in wireless communication environments. Many design challenges such as power consumption, quality of se...
Conference Paper
Full-text available
In this paper, the performance of the NEC LinkBird-MX communications gateways and three safety applications are tested. These communications modules allow developers to design and deploy cooperative vehicular applications over Vehicular Ad-hoc Networks. In this work, it is analyzed how the reliability of these applications depends mainly on the goo...
Conference Paper
Today virtually all of our vehicles have GPS devices that provide highly accurate positioning. This type of positioning system has also come to public transportation such as trains and trams. These positioning systems represent a cost effective solution for railway companies operating in not evolved regions. The problem in these cases is that the r...
Article
Full-text available
Remote Laboratories are an emergent technological and pedagogical tool at all education levels, and their widespread use is an important part of their own improvement and evolution. This paper describes several issues encountered on laboratorial classes, on higher education courses, when using remote laboratories based on PXI systems, either using...
Conference Paper
Educational remote laboratories are a software and hardware tool that allows students to remotely access real equipment located in universities as if they were in a handson-lab session. They have been used for almost two decades. And most remote labs use at least a subset of the following features: authentication (verifying who is the user), author...
Conference Paper
In this paper we present a model to control the instruments and experiments in a remote laboratory using a low cost control architecture. This model is based on a LAN network and a control methodology through reusable drivers. The objective is to obtain a software control architecture independent of the hardware of the laboratory, so each instituti...