From: Seamless internet 3G and opportunistic WLAN vehicular connectivity
Tree-depth | DRSU (m) | Density | Time 3G (s) | Time WLAN (s) | Offload (%) | # Handoffs | Improvement (%) |
---|---|---|---|---|---|---|---|
2 | 1000 | LO | 10.51 ± 0.11 | 29.99 ± 0.11 | 74.04 | 1.30 | 32.89 |
 | 1000 | HI | 10.15 ± 0.10 | 33.81 ± 0.10 | 76.90 | 1 | 38.15 |
 | 2000 | LO | 49.53 ± 0.09 | 32.32 ± 0.09 | 39.49 | 2.13 | 41.90 |
 | 2000 | HI | 52.40 ± 0.09 | 37.68 ± 0.09 | 41.82 | 1.63 | 50.09 |
 | 3000 | LO | 91.35 ± 0.09 | 31.85 ± 0.09 | 25.85 | 2.11 | 39.74 |
 | 3000 | HI | 98.33 ± 0.09 | 37.68 ± 0.09 | 27.70 | 1.49 | 49.12 |
3 | 1000 | LO | 10.46 ± 0.09 | 30.04 ± 0.09 | 74.17 | 1.34 | 33.13 |
 | 1000 | HI | 10.12 ± 0.10 | 33.84 ± 0.10 | 76.97 | 1 | 38.30 |
 | 2000 | LO | 44.16 ± 0.10 | 37.69 ± 0.10 | 46.04 | 3.40 | 65.45 |
 | 2000 | HI | 43.69 ± 0.08 | 46.39 ± 0.08 | 51.49 | 2.58 | 84.78 |
 | 3000 | LO | 85.89 ± 0.08 | 37.32 ± 0.08 | 30.29 | 3.46 | 63.74 |
 | 3000 | HI | 89.05 ± 0.11 | 46.96 ± 0.11 | 34.52 | 2.61 | 85.83 |