What are the challenges for the Wi-Fi in moving vehicles (car, Bus/shuttle)?

Question

What are the challenges for the Wi-Fi in moving vehicles (car, Bus/shuttle)?  What are the parameters to calculate the possible drop in signal receiving?  Will any packets get dropped when moving fast? How the Doppler Effect works here?

michael_brado · Answer

Don't add/throw SPAM into forum conversations DavidJohn2121, or you will be banned.
I edited it out of your above reply.  Thanks.

unknown · Answer

Simultaneous user limitations. Generic systems are designed to sustain five or 10 users at once, when a commercial bus may carry 60 people or more. A single rider may connect three devices, thus utilizing most available channels. 
    Power failures. If a system isn’t designed for moving vehicles, it will likely suffer frequent power spikes, which tend to require system resetting. Beyond the hassle of constantly finagling with too-basic Wi-Fi equipment is the fact that, for union or policy reasons, many bus drivers are not allowed to touch electric components. 
    Poor Antenna Connections. Typically, mobile Wi-Fi systems see the best performance with roof-mounted antennas. However, most low-end mobile Wi-Fi systems do not accommodate roof mounting, and those that do, require a tricky USB card connection that tends to disconnect frequently. 
    Limited Carrier Accessibility. Lower-end Wi-Fi configurations are single-carrier, single-SIM-card systems. Crossing a country line or moving into a certain carrier’s dead zone could interrupt access. 
    No Fleet-wide Software. Without a single system overseeing performance, it’s very difficult to implement effective Wi-Fi access. Centralized software is a must-have for managers overseeing dozens of vehicles simultaneously. Basic systems can’t provide a bird’s eye view of Wi-Fi operation.

unknown · Answer

Like everything in Wi-Fi network design height is key and if you have enough height to get a good footprint then roaming at speed is no issue at all.

Note: client choice is also key to roaming success!!

Applying the basic roaming network designs principles of tunnelling the traffic, and ensuring you have a good cell overlap, to accommodate the client travelling at speed, would be a good place to start.

As Mike has said above already, you really need to talk to your VAR or Ruckus SE so they can give you better advice in terms of supporting your network requriements and ensuring that you get a network that suits your business needs.

Good Luck

🙂