Research Article

Content Downloading with the Assistance of Roadside Cars for Vehicular Ad Hoc Networks

Table 2

Simulation parameters.

ParametersValue

Number of vehicles50~300
Velocity (km/h)40~60
MAC802.11
Data rate (bps)2 M
Radio range (m)250
Size of content (Mb)5~100
Size of chunk (Mb)2.5
Ratio of downloader5%~25%
Transmitting power, (W)1.5
Receiving power, (W)0.8
Idling power, (W)0.2
Computing power, (W)4.0
Power of the car battery (W)960