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A Human Body Model for Efficient Numerical Characterization of UWB Signal Propagation in Wireless Body Area Networks

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3 Author(s)
Hooi Been Lim ; Department of Electronics and Photonics, Institute of High Performance Computing, A*STAR, 138632 ; Dirk Baumann ; Er-Ping Li

Wireless body area network (WBAN) is a new enabling system with promising applications in areas such as remote health monitoring and interpersonal communication. Reliable and optimum design of a WBAN system relies on a good understanding and in-depth studies of the wave propagation around a human body. However, the human body is a very complex structure and is computationally demanding to model. This paper aims to investigate the effects of the numerical model's structure complexity and feature details on the simulation results. Depending on the application, a simplified numerical model that meets desired simulation accuracy can be employed for efficient simulations. Measurements of ultra wideband (UWB) signal propagation along a human arm are performed and compared to the simulation results obtained with numerical arm models of different complexity levels. The influence of the arm shape and size, as well as tissue composition and complexity is investigated.

Published in:

IEEE Transactions on Biomedical Engineering  (Volume:58 ,  Issue: 3 )