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Technology Stocks : InvenSense (INVN)
INVN 21.23+2.1%Oct 31 5:00 PM EST
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To: Charles2185 who wrote (229)4/26/2014 4:03:01 PM
From: GPS Info  Read Replies (1) of 351
 
Most indoor location that I know off is based off triangulating known wifi signals.

Yes, many indoor location systems include WiFi. Some solutions also use a dead-reckoning system that fuses MEMS gyros, accelerometers and magnetometers. This feature is one of the ideas behind "sensor fusion." Also, there are companies which are looking at adding RFID chips and BlueTooth Low Energy tags to help with the indoor location estimates.

Here is a link to an earlier post with a video of Movea's solution:

Message 29475114

Although some people think that GPS can't work indoors, it can, but its solution will get worse as one moves deeper into a building. GPS will not likely work in subways or underground parking garages.
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