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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/58958

    Título
    Wireless body area networks: UWB wearable textile antenna for telemedicine and mobile health systems
    Autor
    Yadav, Ashok
    Kumar Singh, Vinod
    Kumar Bhoi, Akash
    Marques, Gonçalo
    Garcia Zapirain, Begonya
    Torre Díez, Isabel de laAutoridad UVA
    Año del Documento
    2020
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    Micromachines 2020, vol.11, n.6, 558
    Résumé
    A compact textile ultra-wideband (UWB) antenna with an electrical dimension of 0.24λo × 0.24λo × 0.009λo with microstrip line feed at lower edge and a frequency of operation of 2.96 GHz is proposed for UWB application. The analytical investigation using circuit theory concepts and the cavity model of the antenna is presented to validate the design. The main contribution of this paper is to propose a wearable antenna with wide impedance bandwidth of 118.68 % (2.96–11.6 GHz) applicable for UWB range of 3.1 to 10.6 GHz. The results present a maximum gain of 5.47 dBi at 7.3 GHz frequency. Moreover, this antenna exhibits Omni and quasi-Omni radiation patterns at various frequencies (4 GHz, 7 GHz and 10 GHz) for short-distance communication. The cutting notch and slot on the patch, and its effect on the antenna impedance to increase performance through current distribution is also presented. The time-domain characteristic of the proposed antenna is also discussed for the analysis of the pulse distortion phenomena. A constant group delay less than 1 ns is obtained over the entire operating impedance bandwidth (2.96–11.6 GHz) of the textile antenna in both situations, i.e., side by side and front to front. Linear phase consideration is also presented for both situations, as well as configurations of reception and transmission. An assessment of the effects of bending and humidity has been demonstrated by placing the antenna on the human body. The specific absorption rate (SAR) value was tested to show the radiation effect on the human body, and it was found that its impact on the human body SAR value is 1.68 W/kg, which indicates the safer limit to avoid radiation effects. Therefore, the proposed method is promising for telemedicine and mobile health systems.
    Materias (normalizadas)
    Comunicaciones inalámbricas
    Telemedicina
    Radiación
    Materias Unesco
    3325 Tecnología de las Telecomunicaciones
    Palabras Clave
    Textile antenna
    Ultra-wideband
    Circuit theory
    SAR
    Antena textil
    Banda ultraancha
    Teoría de circuitos
    RAE
    Revisión por pares
    SI
    DOI
    10.3390/mi11060558
    Patrocinador
    Gobierno del Pais Vasco - HAZITEK e IT-905-16
    Version del Editor
    https://www.mdpi.com/2072-666X/11/6/558
    Propietario de los Derechos
    © 2020 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/58958
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP71 - Artículos de revista [362]
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    Wireless-Body-Area-Networks.pdf
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    Atribución 4.0 InternacionalExcepté là où spécifié autrement, la license de ce document est décrite en tant que Atribución 4.0 Internacional

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