Review Article
A Survey and Comparative Study of Broadcast Warning Message Dissemination Schemes for VANETs
Table 1
Parameters selected to assess the different broadcast schemes.
| Scheme | Topology | RPM | Max. Tx range | Standard | Mobility model | Simulator |
| Counter [5] | 0.25–25 km2 field | Free space | 500 m | 801.11 | RWP | Custom C++ simulator | Distance [5] | 0.25–25 km2 field | Free space | 500 m | 801.11 | RWP | Custom C++ simulator | eMDR [46] | 4 km2 urban | RAV | 400 m | 802.11p | Krauss | ns-2 | -persistence [41] | Single and multilane | Free space | 1000 m | 802.11a | — | OPNET | TLO [42] | Four-lane street | — | 300 m | 802.11 | Uniform speed | GrooveNET | APAL [43] | Four-lane street | — | 200 m | 802.11b | Uniform speed | GrooveNET | SBS [44] | 1 km2 field | — | 10 m | — | — | Custom Java simulator | CLBP [49] | Two-line highway | TRG | 250 m | 802.11e | Constant speed | ns-2 | NJL [50] | 4 km2 urban | RAV | 400 m | 802.11p | Krauss | ns-2 | RTAD [57] | 4 km2 urban | RAV | 400 m | 802.11p | Krauss | ns-2 | FDPD [56] | 4 km2 Manhattan | TRG | 200 m | 802.11 | Manhattan | J-Sim | UV-CAST [55] | 1 km2 urban | LOS | 140–250 m | 802.11p | CA-based | ns-2 | DV-CAST [54] | Circular highway | Ricean | — | 802.11a | Uniform speed | ns-2 | JSF [52] | 4 km2 urban | RAV | 400 m | 802.11p | Krauss | ns-2 |
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