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Author Topic: Ofcom research into mobile network and wifi performance on trains  (Read 950 times)
stuving
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« on: June 05, 2026, 17:46:07 »

Ofcom has published (3rd June) research done for them by Streetwave:
Quote
    New research reveals mobile performance was poor on between 58% and 83% of tests carried out on trains, depending on mobile network
    Watchdog calls for mobile companies, local authorities and others to step up as part of national effort to enhance the quality and reliability of mobile service across the country

Mobile networks typically offer a poor-quality service to train passengers, according to new research from the regulator Ofcom, which has today called for a nationwide effort to improve the state of mobile service in the UK (United Kingdom).

Ofcom’s research measured mobile performance across 24 segments of key railway lines covering England, Scotland and Wales, making it the most comprehensive dedicated study available on the subject to date. It looked at how often a phone could achieve good performance, defined as minimum download speeds of 5 Mbits per second, upload speeds of at least 1.5 Mbits per second, and a response time of 50 milliseconds or less, which would typically let people make video calls, stream content or scroll social media [1].

The research found that EE met those standards on 42% of the segments of railway lines that were measured, Three on 21%, O2 on 20% and Vodafone on 17%.

The results, which reflect the reality for passengers on lines up and down the country, show that for too many people, stepping on board can mean going off grid.

The research highlights the core problem that mobile signal from masts on the ground often isn’t strong enough around train lines and that some carriage types are difficult for signals to pass through.

On-board Wi-Fi provided by train companies was also measured and performed well just 1% of the time. This was largely due to outdated technology delivering the service, as well as speed caps.

Separately, alongside the research, Ofcom has also today published Connectivity You Can Count On, a report on overhauling the quality of mobile service in UK wherever people live, work or travel.

It looks to build on the merger of Vodafone and Three, which has an important role in driving better outcomes, identifies areas for improvement, and calls for mobile companies, local authorities, big developers, Government and others to take coordinated action.

Today’s report is the latest move by Ofcom to push for better quality mobile service, following its role advising the Competition and Markets Authority on the approval of the merger, and the launch of its own Map Your Mobile coverage checker last year.

They link these results with other work they are doing on improving service quality information, as well as a bit of general arm-twisting about improving services.

There is a full report, which is rather technical, and full of numbers.

Because the report is essentially about the measurements, it does not really address the "who" and "why" questions (though some aspects are assumed). So nothing about DfT» (Department for Transport - about)'s role: since they have directly controlled spending since Covid, and micromanaged it before that, as well as defining service requirements, what we have got is what they asked for. Nor do they pose the question of whether or in what way the MNOs and users think about trains as just a part of the world the networks should serve, or something else, and whether wifi is seen as a fundamental human right or a service to be paid for.
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Mark A
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« Reply #1 on: June 05, 2026, 19:37:31 »

S'funny. I'm sure it's not long since the DfT» (Department for Transport - about) were querying whether passengers actually needed wifi on trains - awkwardly, this was at a time when ticketing purchase via mobile phones was a rapidly emerging force.

Mark
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bobm
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« Reply #2 on: June 05, 2026, 20:41:19 »

Interesting review of the report on the thinkbroadband site - full article here

https://www.thinkbroadband.com/news/ofcom-releases-report-on-poor-connectivity-on-trains

But
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In conclusion, the issues of Wi-Fi and mobile service on trains are well known, and the solutions are already being tested and implemented. Has this report from Ofcom actually provided any value?
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didcotdean
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« Reply #3 on: June 06, 2026, 21:36:28 »

S'funny. I'm sure it's not long since the DfT» (Department for Transport - about) were querying whether passengers actually needed wifi on trains - awkwardly, this was at a time when ticketing purchase via mobile phones was a rapidly emerging force.

Mark
Just over three years ago: https://www.bbc.co.uk/news/business-65673622

Selective quotes:
Quote
The Department for Transport says cost pressures mean it will review whether the current wi-fi service "delivers the best possible value for money".

"Our railways are currently not financially sustainable, and it is unfair to continue asking taxpayers to foot the bill, which is why reform of all aspects of the railways is essential," the Department for Transport (DfT) said.

On-train wi-fi equipment installed in 2015 is now in need of replacing and the government said many people on short journeys did not connect to the on-train wi-fi, and used their mobile phone network instead.

Changed their mind last year, hence the experiments since with modern gear rather than struggling on with 10+ year old stuff.
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