Research Article
Adaptive Beaconing in Mobility Aware Clustering Based MAC Protocol for Safety Message Dissemination in VANET
Table 2
Contention parameters for CCH interval and SCH interval in IEEE 802.11p [
10–
12].
| AC number | Access category | CCH interval | SCH interval | | | AIFSN | (µs) | | | AIFSN | (µs) |
| 0 | Background traffic (BK) | 15 | 1023 | 9 | 149 | 31 | 1023 | 7 | 123 | 1 | Best effort (BE) | 7 | 15 | 6 | 110 | 31 | 1023 | 3 | 71 | 2 | Video (VI) | 3 | 7 | 3 | 71 | 15 | 31 | 2 | 58 | 3 | Voice (VO) | 3 | 7 | 2 | 58 | 7 | 15 | 2 | 58 |
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