Doppler Characterization in Ultra Wideband BAN Channels During Breathing
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García Serna, Rubén Gregorio; García Pardo, Concepción; Molina García-Pardo, José María; Juan Llácer, Leandro; Cardona, NarcisGrupo de investigación
Sistemas de Comunicaciones MóvilesÁrea de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This work was supported by the Ministerio de Economía y Competitividad (MINECO), Spain (TEC2010- 20841-C04-03 and TEC2014-60258-C2-1-R) by the European FEDER funds, and by the ARCO-5G project (TEC2014-56469-REDT).Fecha de publicación
2020-02-01Editorial
IEEECita bibliográfica
R. -G. García-Serna, C. García-Pardo, J. -M. Molina-García-Pardo, L. Juan-Llácer and N. Cardona, "Doppler Characterization in Ultra Wideband BAN Channels During Breathing," in IEEE Transactions on Antennas and Propagation, vol. 68, no. 2, pp. 1066-1073, Feb. 2020, doi: 10.1109/TAP.2019.2951849.Revisión por pares
siPalabras clave
Body area networks (BAN)Doppler
Channel characterization
Implant communications
Ultra wideband (UWB)
Breathing
Resumen
Monitoring the physical parameters from devices inside the body, using ultra wideband (UWB) technology, enables the development of high bandwidth demanding applications in real time. The relative movement of the nodes deployed in the body, due to breathing, can give rise to a frequency shifting effect, increasing the fading level in the propagation channel during transmissions. In this article, therefore, we present a study of the frequency effects on the propagation channel derived from the relative movement between two nodes of a wireless body area network (WBAN), at least one of them placed inside the human
body, caused by breathing. The study is performed on the basis of the Doppler spectrum characterization in terms of the shape fitting and frequency spread parameter derivation. Continuous wave (CW) signals have been used to cover the UWB range at four selected frequencies: 3.1, 4.8, 6, and 8.5 GHz, and a
liquid phantom has been employed for emulating the dielectric properties of ...
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