Measurement analysis of polarization distribution of static on-body propagation channels

On-body propagation channels show significant polarization selectivity in static and dynamic scenarios. In this work, we measured polarized on-body channels on static body at 2.4 GHz by monopole antennas, where standing and sitting postures are considered. The polarization direction of the antenna (Z-polarization, H-polarization, V-polarization) depends on the direction of the antenna in the body position. In the statistical characteristics of the channels, the V-polarization direction of the receiving antenna is more conducive for receiving signal and reducing the path losses. Cross-polar discrimination (XPD) is calculated, showing that strong depolarization of on-body channels are more easily caused in sitting posture due to scattering effects from the legs. In all the polarization combinations measured, the receiving antenna generally maintain a dominant field component along the V-polarization direction.