Radio Wave Propagation Scene Partitioning for High-Speed Rails

Table 2

Predicted values of modeling parameters for HSR scenarios at 930 MHz.

Scenarios	Definitions	Sub scenarios	Path loss exponent	Standard deviation of shadowing (dB)	Fast fading distribution
S1	Viaduct	Viaduct-1a		3-4
		Viaduct-1b	2–4	2-3	Rice
S2	Cutting		2.5–4	3–5	Rice
S3	Tunnel		1.8–3	5–8	Rice
S4	Station	Station-4a: medium- or small-sized station; Station-4b: large station	3–5	3–5	Rice/Rayleigh
		Station-4c: marshaling station and container depot	2–4	2-3	Rice
S5	Water	Water-5a: river and lake areas
		Water-5b: sea area	2–4	2-3	Rice
S6	Urban		4–7	3–5	Rice
S7	Suburban		3–5	2-3	Rice
S8	Rural		2–5	2-3	Rice
S9	Mountain	Mountain-9a: normal mountain	5–7	3–5	Rayleigh
		Mountain-9b: far mountain	3–5	2–6	Rice
S10	Desert		2–4	2-3	Rice
S11	Combination scenarios	Combination scenario-11a: tunnel group
		Combination scenario-11b: cutting group	3–7	5–8	Rice
S12	In-carriage	In-carriage-12a: relay transmission	1.5–5	3–5	Rice/Rayleigh
		In-carriage-12b: direct transmission	5–8	4–7	Rayleigh