From: Collaborative offloading for UAV-enabled time-sensitive MEC networks
System parameters | Values |
---|---|
Maximal CPU frequency of UAV | 5 GHz |
CPU frequency of GN | 50 MHz |
Total bandwidth B | 10 MHz |
Max storage capacity C at UAV | 200 M |
GN remaining storage capacity \(C_k\) | 0.5–5 MBits |
Transmit power of GN | 1 W |
Task size at GN | 100–500 Kbits |
Computation intensity \(\theta ,\theta _{k}\) | 900–1000 cycles/bit |
Background noise \(N_0\) | − 130 dBm |
Channel gain at \(d_0=1\) m | 50 dB |
UAV related parameters | Values |
---|---|
UAV blade power \(P_0\) | 158.76 W |
Induced power \(P_i\) | 88.63 W |
Blade speed \(Q_{\mathrm{tip}}\) | 120 m/s |
Air density \(\rho\) | 1.225 kg/m\(^3\) |
Rotor disc area A | 1 m\(^2\) |
Hover induced velocity \(V_0\) | 4.03 |
Fuselage drag ratio \(d_0\) | 0.3 |
Fuselage rotor solidity s | 0.05 |
UAV maximum velocity \(V_{\mathrm{max}}\) | 15 m/s |
UAV flight height H | 100 m |