Research Article
Joint Load Balancing and Offloading Optimization in Multiple Parked Vehicle-Assisted Edge Computing
| | Parameters | Description |
| | , , | Task data size, task required computing resource, and the maximum allowable time delay of the task. | | , | The node selection variable and the workload ratio of the -th offloading task to the -th edge computing node. | | , | Wireless channel bandwidth and white Gaussian noise power. | | , | Uplink and downlink transmission power. | | , | The power gain between the -th requesting vehicle and RSU and the power gain between RSU and the -th PV. | | , | CPU computing power of the -th requesting vehicle and the max CPU computing power of the -th edge computing node. | | , | Uplink and downlink cost coefficient. | | , | Energy consumption per CPU cycle of requesting vehicle and edge computing nodes. | | The maximum allowable computing resources occupancy rate of the edge computing nodes in a certain period of time. | | The optimal strategy of the -th requesting vehicle. | | Time span of the time period. | | , | Probability density function and accumulative distribution function of the PV parking durations . | | , | The probability value of the -th PV remaining parked at the execution time period of the -th task and accumulative parking durations of the -th PV. |
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