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A Review of Channel Modelling for Wireless Body Area Network in Wireless Medical Communications

شروع موضوع توسط Hossein Ranjbaran ‏10/8/14 در انجمن انجمن WBAN

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  1. Hossein Ranjbaran

    Hossein Ranjbaran Administrator کاربر ویژه

    Abstract—In the Wireless Body Area Network (WBAN), radio propagations from devices that are close to or inside the human body are complex and distinctive comparing to the other environments since the human body has a complex shape consisting of different tissues. Therefore, the channel models are different from the ones in the other environments. We present a literature survey on channel characterizations and modelling for WBAN. The interesting common result is that the propagation wave is diffracting around the human body rather than passing through it. The path loss is very high especially when the receive antenna is placed on the different side from the transmit antenna. The lognormal distribution turns to be the best fit for the small-scale fading rather than the traditional Rayleigh and Ricean distributions in the other environments. Moreover, the
    high correlation between delay bins is observed. In addition to the literature survey, we propose a procedure including the measurement campaigns and the channel characterizations to obtain the channel models with fulfilling what they are missing
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