Broadband Wireless Channel in Composite High-Speed Railway Scenario: Measurements, Simulation, and Analysis

Table 3

Parameters of time dispersion at two frequencies.

Region index		I	II	III	IV
Corresponding scenario		Tunnel	Cutting	Viaduct	Cutting
950 MHz	Mean excess delay (ns)	374.66	193.11	60.61	31.40
950 MHz	Average RMS delay spread (ns)	218.67	125.40	50.01	40.20
950 MHz	Average number of multipaths	6	5	12	12
2150 MHz	Mean excess delay (ns)	270.68	195.68	66.31	43.62
2150 MHz	Average RMS delay spread (ns)	120.44	135.18	52.03	38.81
2150 MHz	Average number of multipaths	4	5	13	12