From: An energy saving based on task migration for mobile edge computing
Variable | Meaning | Unit |
---|---|---|
w v | Workload of task v | CPU instructions |
f l | Calculation rate of mobile terminal | MIPS |
f e | Calculation rate of mobile edge server | MIPS |
p l | Power of the mobile terminal when performing tasks | W |
p i | Power of the mobile terminal when idle | W |
p s | Sending power of the mobile terminal | W |
p r | Receiving power of the mobile terminal | W |
e uv | Data transfer amount between task u and task v | Bits |
B s | Data sending rate | Bits/s |
B r | Data receiving rate | Bits/s |
\( {T}_v^l \) | Time spent on the mobile terminal of task v | s |
\( {T}_v^e \) | Time spent on the mobile edge server of task v | s |
T uv | Time spent on transferring data from task u to v | s |
\( {E}_v^l \) | Energy consumed on the mobile terminal of task v | J |
\( {E}_v^e \) | Energy consumed on the edge server of task v | J |
E uv | Energy consumed by transferring data from task u to v | J |