|
N
|
data size of the task
|
\({{f}_{\text {loc}}},{{f}_{\text {AP}_i}},{{f}_{\text {C}}}\)
|
Computation capacity of the UE,AP and cloud
|
|
\(\omega\)
|
CPU cycles for 1 bit
|
\(R_i\)
|
Ergodic rate between the UE and AP in mode \(i, i\in \Omega\)
|
|
\(\kappa\)
|
Effective capacitance coefficient
|
\({{n}_{1}},{{n}_{2}}\)
|
Upper bounds of capacity of channel
|
|
\({{B}_{1}},{{B}_{2}}\)
|
Transmit bandwidth of UE and AP
|
\(r_i\)
|
Ergodic rate between the AP and cloud in mode \(i, i\in \Omega\)
|
|
\({{p}_{1}},{{p}_{2}}\)
|
Transmit power of the UE and AP
|
\({{v}_{1}},{{v}_{2}},{{v}_{3}}\)
|
Unit price of UE, AP and cloud
|
|
\(\sigma ^{2}\)
|
Noise density
|
\(\lambda _i\)
|
Distribution density of F-AP(i=1) and AP(i=2)
|
|
\(M_i\)
|
Coverage probability of mode \(i, i\in \Omega\)
|
\({{F}_{\min }},{{F}_{\max }}\)
|
Upper and lower bounds of coverage probability
|
|
\(\varvec{\alpha },\beta\)
|
Optimized variables
|
\(T_i\)
|
Pre-set threshold of SNR value in mode \(i, i\in \Omega\)
|
|
\(\Omega\)
|
Set of {1,2}
|
\(\Psi\)
|
Set of {1,2,3}
|
|
\(Z_i\)
|
Charge of mode \(i, i\in \Psi\)
|
k
|
Probability of an AP supporting computation
|
|
\(G_\mho , \mho \in \{\text {loc,AP,C}\}\)
|
Prices per second for computing delay at UE, AP and the cloud
|
P
|
Expect charge of the system
|
