The effects of the human body on UWB signal propagation in an indoor environment

Authors:
T. B. Welch;R. L. Musselman;B. A. Emessiene;P. D. Gift;D. K. Choudhury;D. N. Cassadine;S. M. Yano
Affiliations:
US Naval Acad., Annapolis, MD;-;-;-;-;-;-
Venue:
IEEE Journal on Selected Areas in Communications
Year:
2006

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Abstract

Ultra-wideband (UWB) communication systems are investigated for their ability to operate in dense multipath environments. While a great deal of time and effort has been spent characterizing both the indoor and outdoor UWB channels, the effects of human body interaction with a close proximity UWB antenna remains unexplored. Measurements of a commercially available UWB antenna performance in an anechoic chamber and in various indoor multipath environments were conducted. Comparisons of these measurement results indicate that while the human body creates a deep (23.6 dB) in a light multipath environment, this is drastically reduced (6.8 dB) in a dense multipath environment.