Analysis of Nonstationary Characteristics for High-Speed Railway Scenarios

Table 1

Summary of investigation on short-term fading and nonstationary behaviors in HSR environments.

Scenario	Short-term fading behavior				Nonstationary behavior
	Fading severity	Time dispersion	Frequency dispersion	Space dispersion	Stationarity interval	Birth-death process
Viaduct	[11, 12, 16]	[11]	[11, 12]	[15]	[25]	[26]
Cutting	[13, 14, 17]	[13, 14]	[13, 14]	[15]	-	-
Rural	[18]	[18, 19]	[19]	[18, 19]	-	-
Hilly terrain	[20]	[21]	[21]	-	-	-
Tunnel	[22]	[22]	[22]	-	-	-
Station	[23, 24]	[24]	-		[24]	-
Suburban/urban	-	-	-	-	-	-