Vehicular Channel in Urban Environments at 23 GHz for Flexible Access Common Spectrum Application

Table 2

Electromagnetic parameters of different materials.

Material			S	α
Brick	1.9155	0.0568	0.0019	49.5724
Marble	3.0045	0.2828	0.0022	15.3747
Toughened glass	1.0538	23.9211	0.0025	5.5106
Metal	1	10^7	0.0026	17.7691
Concrete	5.4745	0.0021	0.0011	109
Wood	6.6	0.9394	0.0086	13.1404