Large-Scale Fading and Time Dispersion Parameters of UWB Channel in Underground Mines

Table 3

Results about time-domain parameters in previous measurement campaigns for LOS case.

Source	𝜏rms	𝜏𝑚	Frequence range (GHz)	Range(m)	Environment
AT&T [9]	4.7	—	4.375–5.625	1–15	Residential
France Telecom [10]	4.1	—	3.1–10.6	1–20	Office
Virginia Tech [11]	5.41	5.19	Time domain	5–49	Laboratory
Intel [12]	9	3	2–8	1–11	Residential
Samsung [14]	12.48–14	5.01–5.88	3.1–10.6	1–20	Residential
New Jersey Inst. [15]	17.34	11.86	2–6	1–10	Laboratory
Mitsubishi [16]	28–31	—	3–10	2–8	Industrial
CEA-LETI [20]	10.07	6.42	2–6	4	Laboratory
IKT, ETH Zurich [22]	1.4–2.1, 2.2–7.5	1.2–1.4, 4.7–11.3	0.5–1.5	3–6	Body
Aquila Univ. [28]	5–11	1–4.5	Time domain	1–25	Forest
LRCS	11.8	22.61	2–5	1–12	Underground mines