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| Symbol | Definition |
|
| The input data size of task generated by vehicle . |
| The bandwidth of vehicle to RSU channel. |
| The bandwidth of RSU to RSU. |
| The computing resources required by the vehicle’s task. |
| Indicator of the selection on RSU by the vehicle . |
| The maximum allowable delay for task execution. |
| The uplink gain of the user to routing RSU channel. |
| The computing resource of the vehicle’s task. |
| The proportion of local execution in the task. |
| The transmission rate from vehicle to routing RSU. |
| The transmission rate from routing RSU to targeted RSU. |
| The local task execution time. |
| The computing resource of the RSU server . |
| The computing resources allocated by the RSU to vehicle . |
| The transmission time for the vehicle to upload. |
| The transmission time from the vehicle to routing RSU . |
| The transmission time from routing RSU to targeted RSU . |
| The execution time. |
| The delay of vehicle completing task. |
| The computing resources (CPU cycles) for 1 bit processing. |
| Indicator of routing decision from the vehicle to the targeted RSU . |
| The path loss index. |
| The complex Gaussian channel coefficient. |
| The position of particle. |
| The coordinates of vehicle. |
| The coordinates of RSU. |
| The distance of vehicle and RSU. |
| The additive white Gaussian noise of the channel. |
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