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Abstract
This paper discusses the human body modeling for the design of a mobile terminal antenna at 400 MHz band. The effect of the human body inhomogeneity and shape on the radiation characteristics of the mobile terminal antenna is investigated thoroughly. In addition, the effect of the human arm on the antenna characteristics is also discussed. For this purpose, first, the radiation characteristics of a dipole antenna in the presence of an anatomically-based human body model and those for a homogeneous anthropomorphic model are compared. Next, the radiation characteristics for the anthropomorphic model and shape-simplified models are compared. The numerical and experimental investigations reveal that the effect of the inhomogeneity and shape of the human body on the antenna characteristics is not large from the viewpoint of antenna designs. On the other hand, the effect of human arm on them is larger than those due to the other factors.