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Aguirre Gallego, Erik

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https://academica-e.unavarra.es/handle/2454/48457

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Aguirre Gallego

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Erik

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IngenierĆ­a ElĆ©ctrica, ElectrĆ³nica y de ComunicaciĆ³n

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0000-0002-7882-1453

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811053

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Subject: ZigBee Ɨ Subject: Wireless sensor networks Ɨ Start date: 2014 Ɨ End date: 2019 Ɨ

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Now showing 1 - 2 of 2
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    PublicationOpen Access
    Radio characterization for ISM 2.4 GHz wireless sensor networks for judo monitoring applications
    (MDPI, 2014) LĆ³pez Iturri, Peio; Aguirre Gallego, Erik; Azpilicueta FernĆ”ndez de las Heras, Leyre; Astrain Escola, JosĆ© Javier; Villadangos Alonso, JesĆŗs; Falcone Lanas, Francisco; IngenierĆ­a ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta Elektronikoa; IngenierĆ­a MatemĆ”tica e InformĆ”tica; Matematika eta Informatika Ingeniaritza
    In this work, the characterization of the radio channel for ISM 2.4GHz Wireless Sensor Networks (WSNs) for judo applications is presented. The environments where judo activity is held are usually complex indoor scenarios in terms of radiopropagation due to their morphology, the presence of humans and the electromagnetic interference generated by personal portable devices, wireless microphones and other wireless systems used by the media. For the assessment of the impact that the topology and the morphology of these environments have on electromagnetic propagation, an in-house developed 3D ray-launching software has been used in this study. Time domain results as well as estimations of received power level have been obtained for the complete volume of a training venue of a local judo clubā€™s facilities with a contest area with the dimensions specified by the International Judo Federation (IJF) for international competitions. The obtained simulation results have been compared with measurements, which have been carried out deploying ZigBee-compliant XBee Pro modules at presented scenario, using approved Judogis (jacket, trousers and belt). The analysis is completed with the inclusion of an in-house human body computational model. Such analysis has allowed the design and development of an in house application devoted to monitor the practice of judo, in order to aid referee activities, training routines and to enhance spectator experience.
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    PublicationOpen Access
    Zigbee radio channel analysis in a complex vehicular environment [wireless corner]
    (IEEE, 2014) Rajo-Iglesias, Eva; LĆ³pez Iturri, Peio; Aguirre Gallego, Erik; Azpilicueta FernĆ”ndez de las Heras, Leyre; GĆ”rate, Uxue; Falcone Lanas, Francisco; IngenierĆ­a ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta Elektronikoa
    In this paper, the influence of topology and morphology of a particularly complex scenario for the deployment of ZigBee wireless sensor networks is analyzed. This complex scenario is a car. The existence of loss mechanisms such as material absorption (seats, dashboard, etc.) and strong multipath components due to the great number of obstacles and the metallic environment (bodywork), as well as the growing demand for wireless systems within a vehicle emphasizes the importance of the configuration of the heterogeneous intra-car wireless systems. Measurement results as well as simulation results by means of an in-house 3D ray launching algorithm illustrate the strong influence of this complex scenario in the overall performance of the intra-car wireless sensor network. Results also show that ZigBee is a viable technology for successfully deploying intra-car wireless sensor networks.