Quote:
Originally Posted by AustinSchuh
You may be thinking about differential GPS. For that to work, you need to be in an environment with little multipath. That means outside with a good view of the sky. Good GPS receivers are even more expensive than what was listed already. (You'll want to look into DRTK, which probably means a $6k+ receiver, and you'll need one for the bot and one for the base station.) You should be able to make cheaper receivers work, but that'll require you to solve the GPS solution yourself from the raw pseudoranges, and spend a lot of work getting the accuracy up.
Another method I've heard used is to point a camera at the ceiling and use identifiable features on the ceiling to localize. QR codes on the ceiling would make that even easier.
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This is for outside. Is there a similar method for outdoor use? I know how it would/should work, but actually making this work is what is throwing me through a loop.