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| Notation | Explanation |
|
| The number of fog servers |
| The number of cloud servers |
| The period duration of equal length time slots in a quasi-static system |
| The index of time period |
| The number of periods |
| The initial task data size in bit at the beginning of period |
| The task computation workload of CPU in cycle per bit |
| The task arrival rate in bit per second |
| The mean rate of task arrival rate in bit per second |
| The scheduled decision |
| The available computation capacity of end device in cycle per second |
| The operating computation frequency of end device in cycle per second |
| The computing operating power on the user device |
| The task computing rate on the user device |
| The ever-changing channel gain |
| The channel noise |
| The transmitting operating power on the user device |
| The transmitting rate of scheduled task |
| The task computing rate on the fog server |
| The processed data size in local computing mode during period |
| The processed data size in scheduled computing mode during period |
| The remaining data size at the end of period |
| The operating power on user device during period |
| The appended workload on server by scheduled task |
| The weighted sum cost of optimization problem |
| The weighting factors for adjusting the trade-off among the three factors |
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