In this paper, measurements of radiation patterns for an antenna close to the human body at different frequencies are presented. An analytical channel model based on multiple cylinder scattering is proposed. Measurement results and simulations are compared and highlight the impact of body shadowing and arm scattering on the modification of the antenna azimuth radiation pattern.
Liu, L., Van Roy, S., De Doncker, P., & Oestges, C. (2009). Azimuth radiation pattern characterization of omnidirectional antennas near a human body. Proccedings International Conference on Electromagnetics in Advanced Applications, 461-464. https://doi.org/10.1109/ICEAA.2009.5297393