Comprehensive study of on-body radio channels at 2.45 GHz for different human test subjects

The effects of eight different human body sizes and shapes on the narrowband (2.45 GHz) on-body radio propagation channels are investigated in this paper. Eight different real human body shapes and sizes are investigated. Experimental investigation is performed using a pair of Printed Monopole antennas in the indoor environment. The path loss was modeled as a function of distance for 34 different receiver locations for propagation along the front part of the body. Results and analysis show that due to eight different types of human body shapes and sizes maximum of 21 % variation in path loss exponent is observed. Variation of path loss for eight different narrowband on-body radio propagation channels of eight different human test subjects is also investigated.