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this post was submitted on 19 Jun 2024
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But wouldn't you scramble the precision with that? Stations can be quite big and anchoring to the station location means you already start with an offset to your location.
Depending on the accuracy over time, they could pinpoint a location while the user is sleeping and than use that as an anchor for the day.
But everything about that is speculative; let's see where this goes first.
you're thinking anywhere on the platform, I'm suggesting a known place near a station by which the train passes and its location - at that moment - is known.
All the system needs is a ground-truth location after a certain amount of time. GPS is just a cheap and convenient way to do it almost anywhere, but this location correction doesn't need to be satellite-based at all.
Yeah maybe that could work. I definitely agree that there's ways to get good anchor points. Maybe through cross-check with wireless networks even.