Channel Measurement for Multiple Frequency Bands in Subway Tunnel Scenario

Table 2

Path loss coefficients.

Frequency (GHz)	(dB)		(dB)
2.6	41.55	1.95	5.18
3.5	46.01	1.90	5.06
5.6	48.59	1.56	5.63
10	59.07	1.48	5.85
28	70.19	1.47	4.53