Why does internet not work in train?

As the train zips along, its routers must keep up by hopping from tower to tower. A gap between sites can interrupt service. On stretches with underdeveloped infrastructure, such as rural areas, passengers will find themselves time-traveling to a pre-internet era.



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As the train zips along, its routers must keep up by hopping from tower to tower. A gap between sites can interrupt service. On stretches with underdeveloped infrastructure, such as rural areas, passengers will find themselves time-traveling to a pre-internet era.

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Passengers can connect their devices to the internet on board thanks to the wireless network that is established by these access points. Usually, a cellular data connection is used to link the access points to the internet or an onboard server. Train passengers can benefit from Wi-Fi in a number of ways.

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How the Internet of Trains Works. Essentially, many sensors are placed all over a train. These sensors monitor the train's engine temperature, whether doors are closed or open, rail vibrations, and more. Cameras are also placed on the outside of the train where image data is sent back to the system for interpretation.

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With the advent of 5G, cellular technology has evolved to a point where truly digitalised rolling stock becomes possible. Up to 100x faster than its 4G predecessor, 5G will be critical to the success of real-time operations on-board trains. But, how does train-to-ground communication actually work?

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Digital tickets Scan them directly from your phone, or show to station staff to go straight to the platform. Even if you're making multiple trips, there's no need to walk around with a wad of paper tickets in your wallet – your phone is all you need. Once downloaded, you won't even need internet access to use them.

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The movement of trains also generates forces onto the track. The higher the speed, the greater the force of a train. When heat expansion adds to the pressure, British trains have to slow down to reduce the additional forces they are applying.

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