WiFi range is about 250m and vehicles are moving with an average speed of 100km/h. The efficient download time is very short and deployment of WIFI APs in highway for service continuity is also a concern
Hi, yes it is feasible. You think in that manner that vehicle has a speed of 100 km/hr but this vehicle sends the data to another vehicle (v2v communication) and in that manner another vehicle is also moving. Because of this relative speed is not that much high. WAVE and IEEE 802.11p made for that only. I think implementation of it is done on experimental bases.
V2V, Distributed Clustering are options... what will be the appropriate distance between two APs to support real-time services... how long can we stretch through V2V... 2-hop/3-hop.
Hi, one aim of the VANETs is to support multimedia services for V2V and V2I communications
In the STS system, we created a real-time video streaming between 2 vehicles to improve overtaking manoeuvres. You can take a look at the youtube link with the prototype.
https://www.youtube.com/watch?v=Esh1EjgBQaI
Article Making Vehicles Transparent Through V2V Video Streaming
Yes of course it is one of the main features of ITS. Your concern is valid though but recently in ITS the different architecture supports heterogeneous media so if the range of WIFI is not enough at very high speed the vehicle can also handover over to broader range networks like 3G but then as the main driver of capacity in 4G networks is cells of smaller size the same issue will surface again. This is why handover decisions in such an environments needs to be based on variety of factors than just signal strength.
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