El grup realitza recerca en l'àmbit dels sistemes d'electrònica de radiofreqüència i compatibilitat electromagnètica. Les activitats principals consisteixen en el desenvolupament de sistemes electrònics wearables amb especial énfasi en el desenvolupament d'antenes i sensors sobre substractes flexibles.

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  • Effects of the fabric substrate on performance and durability of textile-embroidered dipole antennas 

    Ventura Casellas, Heura; Parés Sabatés, Ferran; Fernández García, Raúl; Gil Galí, Ignacio; Ardanuy Raso, Mònica (2021-05-27)
    Article
    Open Access
    In this work, several fabrics with different composition and structure have been used as the substrate for the production of wearable textile-embroidered dipole antennas. The performance of the antennas has been determined ...
  • Effect of bending on a textile UHF-RFID tag antenna 

    El Bakkali, Mohamed; Martínez Estrada, Marc; Fernández García, Raúl; Gil Galí, Ignacio; El Mrabet, Otman (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Restricted access - publisher's policy
    In this paper, a textile UHF-RFID tag antenna at 915 MHz based on a T-match dipole loaded with circular patch on a felt fabric substrate is presented and discussed. In addition, the bending impact on the read range is ...
  • Embroidered textile capacitive sensor for sucrose solutions measurement 

    Luo, Chengyang; Fernández García, Raúl; Gil Galí, Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference lecture
    Restricted access - publisher's policy
    With the trend of textile sensors, embroidered sensors for body fluids measurements are getting attention. In this paper, an embroidered textile sensor with a capacitive spiral structure is proposed and used to measure the ...
  • Análisis estructural de óxidos de grafeno (GO) y óxidos de grafeno reducidos (rGO) 

    Colom Fajula, Xavier; Cañavate Ávila, Francisco Javier; Lis Arias, Manuel José; Sanjuan, Gemma; Gil Galí, Ignacio (2020-07-01)
    Article
    Open Access
    El artículo caracteriza a nivel estructural, morfológico y térmico tres muestras distintas de óxido de grafeno comerciales (AGO, EGO y CGO) obtenidas mediante el método Hummers, las cuales han sido posteriormente reducidas ...
  • Experimental analysis of fabric substrate on a moisture sensor 

    Martínez Estrada, Marc; Fernández García, Raúl; Gil Galí, Ignacio (2020-06-15)
    Article
    Open Access
    In this work, an embroidered textile moisture sensor is proposed and characterized with three different fabric substrates. The sensors are based on a capacitive interdigitated structure embroidered on a textile substrate ...
  • A wearable system to detect urine leakage based on a textile sensor. 

    Martínez Estrada, Marc; Fernández García, Raúl; Gil Galí, Ignacio (2020)
    Conference lecture
    Open Access
    In this work, a wearable system to detect urine leakage based on a textile sensor is proposed. The system consists of a capacitive sensor embroidered with a conductive yarn in a cotton/polyester substrate. A microcontroller ...
  • Yagi rectenna application to increase the battery lifetime of sensor nodes 

    Fernández García, Raúl; Gil Galí, Ignacio (The Electromagnetics Academy, 2015)
    Conference lecture
    Restricted access - publisher's policy
    In this paper a Yagi rectenna application to increase the battery lifetime of sensor nodes is presented. The proposed rectenna consists of a three pole Yagi antenna plus double voltage RF to DC converter based on a HSMS-268C ...
  • A review of flexible wearable antenna sensors: design, fabrication methods, and applications 

    El Gharbi, Mariam; Fernández García, Raúl; Ahyoud, Saida; Gil Galí, Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2020-08-27)
    Article
    Open Access
    This review paper summarizes various approaches developed in the literature for antenna sensors with an emphasis on flexible solutions. The survey helps to recognize the limitations and advantages of this technology. ...
  • Wearable textile UHF-RFID sensors: a systematic review 

    Luo, Chengyang; Gil Galí, Ignacio; Fernández García, Raúl (Multidisciplinary Digital Publishing Institute (MDPI), 2020-07-24)
    Article
    Open Access
    Textile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors based on different scenarios are becoming attractive with the forthcoming internet of things (IoT) era and aging society. Compared ...
  • A novel ultra-wide band wearable antenna under different bending conditions for electronic-textile applications 

    El Gharbi, Mariam; Martínez Estrada, Marc; Fernández García, Raúl; Ahyoud, Saida; Gil Galí, Ignacio (2020-05-05)
    Article
    Open Access
    This paper is devoted to a novel textile ultra-wideband (UWB) antenna for wearable applications. The antenna is designed and implemented on a felt textile substrate with attractive features such as a flexible full embroidered ...
  • Embroidered electrode impedance for polyester and cotton textile substrates 

    Logothetis, Irini; Fernández García, Raúl; Troynikov, Olga; Dabnichki, Peter; Pirogova, Elena; Gil Galí, Ignacio (2019)
    Conference report
    Restricted access - publisher's policy
    Measuring electrical activity in the human body is vital for monitoring of patients and medical diagnostics. For accurate measurements, the design of biomedical electrodes is important. Bioelectrical impedance analysis ...
  • Study of double ring resonator embroidered wearable antennas for microwave applications 

    Moradi, Bahareh; Martínez Estrada, Marc; Fernández García, Raúl; Gil Galí, Ignacio (2019)
    Conference report
    Open Access
    In this work, the design, implementation and test of double ring resonator (DRR) wearable antennas is carried out. Specifically, symmetrical and non-symmetrical DRRs are coupled to a transmission line by means embroidered ...

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