Attenuation by a Human Body and Trees as well as Material Penetration Loss in 26 and 39 GHz Millimeter Wave Bands

Table 1

Specification of the system.

Parameter	26 GHz	39 GHz
Bandwidth	1 GHz	1 GHz
Maximum delay	1.024 us	1.024 us
Delay resolution	1 ns	1 ns
Tx power	24 dBm	24 dBm
Heights of the Tx/Rx	1.3/1.3 m (human)	1.3/1.3 m (human)
	6.0/2.0 m (tree)	6.0/2.0 m (tree)
Gain of the horn antenna	24.3 dBi	27 dBi
Polarization of the horn antenna	Vertical	Vertical
HPBW of the horn antenna	10°	10°