Table 1 Parameter settings.

From: Energy efficiency maximization for IRS-assisted UAV short packet communication

Parameter

Value

Flight time of the UAV

\(\text {T}=60\)s

Blocklength of the transmitted packet

\(m=500\)

Decoding error probability of the system

\(\epsilon =10^{-6}\)

Variance of the AWGN

\(\sigma ^2=-170\)dBm

Channel power gain with unit distance

\(\alpha =-20\)dB

Number of reflecting elements

\(\text {L}=20\)

Rician fading factor

\(\kappa =5\)

Power parameters in hovering state of the UAV

\(\text {P}_1=178\)W, \(\text {P}_2=392\)W

Parameter related to parasite power of the UAV

\(s_0=0.0185\)

Parameters related to rotor blade velocity of the UAV

\(\varpi =120\), \(\text {U}_0=3.57\)m/s