Table 1 Simulation parameters.

From: UAV selection for high-speed train communication using OTFS modulation

Parameter

Value

\(PL_0\)

115.4 dB27

\(d_0\)

2.4 km27

n

1.827

\(\sigma _\rho\)

2.7

\(A_{\alpha _i}\)

[2.644, 2.697, 2.723, 2.76, 2.79, 2.82, 2.81] ns27

\(n_{\alpha _i}\)

\([-0.0029, 0.0144, 0.0288, 0.0318, 0.0389, 0.0488, 0.0507] \text{ ns}\)27

\(\sigma _{\alpha _i}\)

[0.0645, 0.0456, 0.0378, 0.1238, 0.0634, 0.1613, 0.0860] ns27

\(\Delta f\)

\(15 \textrm{ kHZ}\)15

M

6415

N

6415

P

827

\(\sigma _g^2\)

− 114 dBm

\(E_{R_k,t}\)

Arbitrarily in the range of [10, 1000] J