Skip to main content

Table 1 Parameter table for energy consumption and time model

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