| Item | Value |
| Channel type | Channel/Wireless Channel |
| Propagation model | Propagation/TwoRay Ground |
| MAC layer | 802.11 |
| Interface queue type | Queue/DropTail/PriQueue |
| Link layer | LL |
| Antenna model | Antenna/OmniAntenna |
| Interface queue length | 50 packets |
| Transmission range | 100 m |
| Routing protocol | GPSR and GPSR with hierarchical link scheme |
| Simulation area | One straight road in 3 × 1 km2 |
| Number of nodes | 50, 100, 150, 200, 250 |
| Vehicle speed | 2, 6, 10 m/s |
| Simulation time | 400 s |
| GPSR beacon interval | 5 s |
| CBR packet size | 32B |
| CBR send interval | 2 s |
| Hierarchical number | 1, 2, 3, 5, 7, 8, 9, 11 |