Serrano Arriezu, Luis Javier

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Serrano Arriezu

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Luis Javier

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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Now showing 1 - 9 of 9
  • PublicationOpen Access
    Implementation of context aware e-health environments based on social sensor networks
    (MDPI, 2016) Aguirre Gallego, Erik; Led Ramos, Santiago; López Iturri, Peio; Azpilicueta Fernández de las Heras, Leyre; Serrano Arriezu, Luis Javier; Falcone Lanas, Francisco; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa; Gobierno de Navarra / Nafarroako Gobernua
    In this work, context aware scenarios applied to e-Health and m-Health in the framework of typical households (urban and rural) by means of deploying Social Sensors will be described. Interaction with end-users and social/medical staff is achieved using a multi-signal input/output device, capable of sensing and transmitting environmental, biomedical or activity signals and information with the aid of a combined Bluetooth and Mobile system platform. The devices, which play the role of Social Sensors, are implemented and tested in order to guarantee adequate service levels in terms of multiple signal processing tasks as well as robustness in relation with the use wireless transceivers and channel variability. Initial tests within a Living Lab environment have been performed in order to validate overall system operation. The results obtained show good acceptance of the proposed system both by end users as well as by medical and social staff, increasing interaction, reducing overall response time and social inclusion levels, with a compact and moderate cost solution that can readily be largely deployed.
  • PublicationOpen Access
    Analysis and description of HOLTIN service provision for AECG monitoring in complex indoor environments
    (MDPI, 2013) Led Ramos, Santiago; Azpilicueta Fernández de las Heras, Leyre; Aguirre Gallego, Erik; Martínez de Espronceda Cámara, Miguel; Serrano Arriezu, Luis Javier; Falcone Lanas, Francisco; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    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 functional model. In addition, by using in-house 3D ray launching simulation code, the wireless channel behavior, which enables ubiquitous operation, is performed. The effect of human body presence is taken into account by a novel simplified model embedded within the 3D Ray Launching code. Simulation as well as measurement results are presented, showing good agreement. These results may aid in the adequate deployment of this novel device to automate conventional medical processes, increasing the coverage radius and optimizing energy consumption.
  • PublicationOpen Access
    eOftalmología: estado actual y tendencias futuras
    (Gobierno de Navarra, 2010) Andonegui Navarro, José; Serrano Arriezu, Luis Javier; Eguzkitza Diego, Aitor; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    La eSalud se puede definir como el uso de las tecnologías de la información y las comunicaciones para proporcionar o apoyar un diverso grupo de actividades relacionadas con la atención en salud. Si este concepto se traslada a la atención oftalmológica sería lo que denominamos como eOftalmología. En este artículo se describe el estado actual de los modelos de eOftalmología en el cribado de la retinopatía diabética y el diagnóstico y el seguimiento del glaucoma crónico y la degeneración macular asociada a la edad. También se definen los requerimientos tecnológicos necesarios para implantar este tipo de modelos de asistencia, se discuten las ventajas derivadas de los mismos y se hace una previsión del impacto que la eOftalmología puede tener en el futuro de la asistencia sanitaria.
  • PublicationOpen Access
    Analysis of bluetooth-based wireless sensor networks performance in hospital environments
    (MDPI, 2016) López Iturri, Peio; Led Ramos, Santiago; Aguirre Gallego, Erik; Azpilicueta Fernández de las Heras, Leyre; Serrano Arriezu, Luis Javier; Falcone Lanas, Francisco; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this work, a method to analyze the performance of Bluetooth-based Wireless Sensor Networks (WSN) deployed within hospital environments is presented. Due to the complexity that this kind of scenarios exhibit in terms of radio propagation and coexistence with other wireless communication systems and other potential interference sources, the deployment of WSNs becomes a complex task which requires an in-depth radio planning analysis. For that purpose, simulation results obtained with the aid of an in-house developed 3D Ray Launching code are presented. The scenarios under analysis are located at the Hospital of Navarre Complex (HNC), in the city of Pamplona. As hospitals have a wide variety of scenarios, the analysis has been carried out in different zones such as Boxes, where different medical sensors based on Bluetooth communication protocol have been deployed. The simulation results obtained have been validated with measurements within the scenario under analysis, exhibiting Bluetooth-based WSNs performance within hospital environments in terms of coverage/capacity relations. The proposed methodology can aid in obtaining optimal network configuration and hence performance of Bluetooth-based WSNs within medical/health service provision environments.
  • PublicationOpen Access
    Implementation and operational analysis of an interactive intensive care unit within a smart health context
    (MDPI, 2018) López Iturri, Peio; Aguirre Gallego, Erik; Trigo Vilaseca, Jesús Daniel; Astrain Escola, José Javier; Azpilicueta Fernández de las Heras, Leyre; Serrano Arriezu, Luis Javier; Villadangos Alonso, Jesús; Falcone Lanas, Francisco; Ingeniaritza Elektrikoa eta Elektronikoa; Matematika eta Informatika Ingeniaritza; Institute of Smart Cities - ISC; Ingeniería Eléctrica y Electrónica; Ingeniería Matemática e Informática
    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 overall system performance. In this work, a context aware Intensive Care Unit is implemented and analyzed to provide scalable signal acquisition capabilities, as well as to provide tracking and access control. Wireless channel analysis is performed by means of hybrid optimized 3D Ray Launching deterministic simulation to assess potential interference impact as well as to provide required coverage/capacity thresholds for employed transceivers. Wireless system operation within the ICU scenario, considering conventional transceiver operation, is feasible in terms of quality of service for the complete scenario. Extensive measurements of overall interference levels have also been carried out, enabling subsequent adequate coverage/capacity estimations, for a set of Zigbee based nodes. Real system operation has been tested, with ad-hoc designed Zigbee wireless motes, employing lightweight communication protocols to minimize energy and bandwidth usage. An ICU information gathering application and software architecture for Visitor Access Control has been implemented, providing monitoring of the Boxes external doors and the identification of visitors via a RFID system. The results enable a solution to provide ICU access control and tracking capabilities previously not exploited, providing a step forward in the implementation of a Smart Health framework.
  • PublicationOpen Access
    Smart cities, IoT y salud: retos de Internet of medical things (IoMT)
    (Sociedad Española de Informática de la Salud, 2018) Trigo Vilaseca, Jesús Daniel; Serrano Arriezu, Luis Javier; Astrain Escola, José Javier; Falcone Lanas, Francisco; Institute of Smart Cities - ISC
    La innovación tecnológica aplicada al ámbito de la salud está permitiendo el rápido desarrollo de la internet de los dispositivos médicos, o en su versión inglesa más aceptada internet of medical things (iomt). En este artículo se pretende dar una visión general de las posibilidades y retos de estas tecnologías, la cuales deben imbricarse como pilar fundamental en el desarrollo de estrategias locales, regionales y estatales de las ciudades inteligentes o smart cities.
  • PublicationOpen Access
    Formalize clinical processes into electronic health information systems: modelling a screening service for diabetic retinopathy
    (Elsevier, 2015-06-14) Eguzkitza Diego, Aitor; Trigo Vilaseca, Jesús Daniel; Martínez de Espronceda Cámara, Miguel; Serrano Arriezu, Luis Javier; Andonegui Navarro, José; Ciencias de la Salud; Osasun Zientziak; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza; Institute of Smart Cities - ISC; Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa
    Most healthcare services use information and communication technologies to reduce and redistribute the workload associated with follow-up of chronic conditions. However, the lack of normalization of the information handled in and exchanged between such services hinders the scalability and extendibility. The use of medical standards for modelling and exchanging information, especially dual-model based approaches, can enhance the features of screening services. Hence, the approach of this paper is twofold. First, this article presents a generic methodology to model patient-centered clinical processes. Second, a proof of concept of the proposed methodology was conducted within the diabetic retinopathy (DR) screening service of the Health Service of Navarre (Spain) in compliance with a specific dual-model norm (openEHR). As a result, a set of elements required for deploying a model-driven DR screening service has been established, namely: clinical concepts, archetypes, termsets, templates, guideline definition rules, and user interface definitions. This model fosters reusability, because those elements are available to be downloaded and integrated in any healthcare service, and interoperability, since from then on such services can share information seamlessly.
  • PublicationOpen Access
    Diseño, desarrollo y evaluación preliminar de un novedoso monitor de signos vitales llevable para vacunos
    (Universidad Nacional Mayor de San Marcos (Perú), 2019) Quispe Bonilla, Max David; Poma Gutiérrez, Adolfo; Serrano Arriezu, Luis Javier; Led Ramos, Santiago; Quispe Peña, Edgar; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Institute of Smart Cities - ISC; Ingeniería Eléctrica, Electrónica y de Comunicación
    El monitoreo de los diferentes signos vitales en vacunos tiene importancia desde el punto de vista productivo, sanitario y de bienestar animal; sin embargo, existen pocos equipos que tengan el potencial de uso a nivel de campo y que no sean invasivos. Por tal motivo se llevó a cabo el presente trabajo con la finalidad de diseñar, construir y evaluar el uso de un pequeño MOnitor de SIgnos VItales LLevable (MOSIVILLe), que sea capaz de capturar las señales vitales en vacunos bajo condiciones de campo. El diseño y desarrollo del MOSIVILLe se realizó en Lima, Perú, entre enero y octubre de 2017 y la evaluación en campo se realizó en Chota, Perú, utilizando 11 vaquillas entre noviembre de 2017 y febrero de 2018. Con el uso del MOSIVILLe se obtuvieron las señales vitales de vacunos, reconociéndose las ondas P, Q, R, S, T, complejo QRS e intervalo RR del electrocardiograma que condujeron a obtener la frecuencia cardiaca (FC). Adicionalmente, se obtuvo la temperatura de la piel (T°P) y la señal de ventilación con los picos de inhalación, exhalación, tiempo de inspiración y tiempo de espiración que determinan la frecuencia respiratoria (FR). El MOSIVILLe usado en vacunos en condiciones de campo permitió obtener una FC de 70.83±1.47, FR de 25.24±1.64 y una T°P de 31.52±0.40 (promedio ± error estándar), valores que se encuentran en concordancia con la literatura. Se concluye que el MOSIVILLe es una alternativa importante para obtener diversos signos vitales en vacunos bajo condiciones de campo.
  • PublicationOpen Access
    Connection of the SUMO microscopic traffic simulator and the unity 3D game engine to evaluate V2X communication-based systems
    (MDPI, 2018) Olaverri Monreal, Cristina; Errea-Moreno Javier; Díaz-Álvarez, Alberto; Biurrun Quel, Carlos; Serrano Arriezu, Luis Javier; Kuba, Markus; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Institute of Smart Cities - ISC; Ingeniería Eléctrica, Electrónica y de Comunicación
    In-vehicle applications that are based on Vehicle-to-Everything (V2X) communication technologies need to be evaluated under lab-controlled conditions before performing field tests. The need for a tailored platform to perform specific research on the cooperative Advanced Driving Assistance System (ADAS) to assess the effect on driver behavior and driving performance motivated the development of a driver-centric traffic simulator that is built over a 3D graphics engine. The engine creates a driving situation as it communicates with a traffic simulator as a means to simulate real-life traffic scenarios. The TraCI as a Service (TraaS) library was implemented to perform the interaction between the driver-controlled vehicle and the Simulation of Urban MObility (SUMO). An extension of a previous version, this work improves simulation performance and realism by reducing computational demand and integrating a tailored scenario with the ADAS to be tested. The usability of the implemented simulation platform was evaluated by means of an experiment related to the efficiency of a Traffic Light Assistant (TLA), showing the analysis of the answer that 80% of the participants were satisfied with the simulator and the TLA system implemented.