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An Off-Body Narrowband and Ultra-Wide Band Channel Model for Body Area Networks in a Ferry Environment
Abstrakt
In the article an off-body narrowband and ultra-wide band channel model for Body Area Networks in a ferry environment is described. A mobile, heterogeneous measurement stand, that consists of three types of devices: miniaturized mobile nodes, stationary reference nodes and a data acquisition server was developed. A detailed analysis of both radio channels parameters in untypical indoor environment was carried out. An analysis of system loss for off-body communication, including mean system loss, slow fading component (corresponding to body shadowing) and fast fading component (associated with the multipath phenomenon), both for the 868 MHz narrowband and for the 6489 MHz ultra-wide band channels, was performed. Obtained system loss exponent values are in the range of [0.13; 0.85] for line-of-sight conditions, and [1.25; 3.46] for non-line-of-sight conditions. For the investigated environment the lognormal distribution was found to be the best describing the slow and fast fading, regardless of the frequency band and on-body antenna placement. A statistical analysis of the model parameters was also carried out and its good matching to the empirical data was proved.
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Tytuł wydania:
- The IRACON 7th MC meeting and 7th technical meeting strony 1 - 20
- Język:
- angielski
- Rok wydania:
- 2018
- Opis bibliograficzny:
- Cwalina K., Ambroziak S., Rajchowski P.: An Off-Body Narrowband and Ultra-Wide Band Channel Model for Body Area Networks in a Ferry Environment// The IRACON 7th MC meeting and 7th technical meeting/ Cartagena: , 2018, s.1-20
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 104 razy
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