Category Archives: Reports

State of US Wi-Fi Report

One of the many interesting datasets collected from users of the OpenSignal app is a large volume of Wi-Fi speedtests. Until now we have rarely looked at our Wi-Fi data for reports or blog posts, but since Wi-Fi is a … Continue reading

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UK Roads & Rails

Today we published a report into mobile coverage on UK Roads and Railways, ¬†taking a look at how well served the transport infrastructure of the UK is by mobile connectivity. This is an area that the UK regulator, OfCom, has¬†emphasised … Continue reading

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US LTE performance: T-Mobile fastest, Verizon best coverage

Yesterday we released a report into the state of LTE in the US, with a particular focus on how network performance changes over time. Mobile networks in the United States have been under particular scrutiny lately, with Verizon and T-Mobile … Continue reading

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The State of LTE – Q1 2014

Using data from LTE users of OpenSignal worldwide we’re happy to announce our most comprehensive study of LTE experience worldwide to date. It shows huge variation across two key metrics: download speed and the amount of time users have access … Continue reading

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Your smartphone battery measures the weather

This is the story of the most surprising thing we have yet discovered at OpenSignal. Eighteen months ago we began gathering data on battery performance from our Android app – the metrics available on Android include charge level, voltage and … Continue reading

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3.5% of clocks are over an hour out on Android

At OpenSignal, each datapoint we collect has two timestamps: the time the reading was taken and the time the reading was inserted to our server. Because we make extensive use of SQLite cacheing on devices, these times can be far … Continue reading

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Traveling Man: Tools and Apps for Testing Cell Networks Across America, Part II

Early on we realized that some kind of tablet would be necessary to monitor the internal testing dashboard on the go. To be totally honest, I was hesitant about the usefulness of an iPad Mini. We just needed to monitor … Continue reading

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Traveling Man: Tools and Apps for Testing Cell Networks Across America, Part I

When I set out on my journey traveling the country doing signal testing with OpenSignal & TechHive, my aim was to travel light. Hitting 20 cities in five weeks is no mean feat, and the less to cart around with … Continue reading

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Using Big Data

While signal testing my way through Omaha a friend in Kansas City, Missouri got in touch and let me know about KC’s City Camp (Un)Conference, happening that weekend at the Kauffman Foundation. She knew I would be in town and … Continue reading

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The Importance of Outliers

My mission roaming the country checking carrier strength so far has taken me to six large metropolitan areas. I love cities for all they have to offer, and for the purpose of broad data collection they are the most useful; … Continue reading

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