Scientists at Scottish university work to improve internet on train journeys

University researchers believe they have developed new technology to help stop passengers losing internet connections on trains.

Academics at Heriot-Watt University in Edinburgh have designed a flat panel antenna which connects to satellites in space to maintain connectivity while on the move.

The university said the prototype is expected to enter field trials before the end of this year with a major rail operator.

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Research engineer Samuel Rotenberg, who helped design the antenna, said: “Poor connectivity on journeys is one of the leading frustrations of passengers globally.

Academics at Heriot-Watt University in Edinburgh have designed a flat panel antenna which connects to satellites in space to maintain connectivity while on the move picture: JPI MediaAcademics at Heriot-Watt University in Edinburgh have designed a flat panel antenna which connects to satellites in space to maintain connectivity while on the move picture: JPI Media
Academics at Heriot-Watt University in Edinburgh have designed a flat panel antenna which connects to satellites in space to maintain connectivity while on the move picture: JPI Media

“Today’s users are used to fibre-optic superfast broadband, with 4G connectivity seen as the minimum standard. Yet, on the move, our connectivity is patchy and continually interrupted.

“Cities provide continuous connectivity using a large network of antennas.

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lost.

“However, extending the ground network to improve access in rural area is expensive and unreliable for transportation.”

“Antennas for satellite communication are, in the main, large, heavy, bulky and dish shaped so aren’t aerodynamic and are impractical for high-speed trains to carry.

“Our research has developed a flat panel antenna which will communicate with satellites throughout a journey, without loss of connectivity.

“It’s fairly lightweight, at a fraction of the cost of existing solutions and will provide global coverage.

“Its design specifications mean it could also be adapted for the Internet of Things, and planes as they fly in the middle of the ocean.”

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Paul Devlin, head of commercialisation at Heriot-Watt University, said: “In the last year, we have nurtured three companies through spin-out from Heriot-Watt and supported over 100 entrepreneurs.”

Project funders include the European Space Agency, Department for Transport and Scottish Enterprise.

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