|
Symbol | Meaning |
|
| Data size of users n-th task |
| Local-to-fog offloading decision of users n-th task |
ā | |
| Fog-to-cloud offloading decision of users n-th task |
ā | |
| Local computing rate |
| Fog computing rate |
| Cloud computing rate |
| Bandwidth between the local and fog |
| Bandwidth between the fog and cloud |
| Local processing time of users n-th task |
| Energy cost of the device computed per bit of data |
| Fog processing time of users n-th task |
| Energy consumption per bit of data in local-to-fog transmission |
| Cloud processing time of users n-th task |
| Device standby power |
| Transmission delay of n-th task from the local to fog |
| Number of CPU revolutions required to process per bit of data |
| Transmission delay of n-th task from the fog to cloud |
| Total delay of the user |
| Local energy consumption of users n-th task |
| The relative importance of delay and energy |
| Uploaded energy cost of users n-th task |
| System-set penalty value |
| Standby energy cost of the device when it offloads task n |
| Total energy cost of the user |
| Number of algorithm iterations |
| The set of random offloading decisions produced at the h-th iteration |
| The h-th offloading decision set after updating |
| Relative offloading accuracy rate |
|