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Probabilistic Location Estimation - Does it Work? - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


Jerry Roberts
Post subject: Probabilistic Location Estimation - Does it work?
Unread post Posted: Tue Mar 01, 2005 6:57 pm

Hello RF Experts:

I have a question about the emerging location systems based on RSSI measurements. Examples are: Ekahau and PanGo Networks.
My basic question is: "DO THEY REALLY WORK?"

As far as I know RSSI is a very poor quality index and its value changes considerably with the environment. It puzzles me the fact that the product is recommended for indoor use only. Shouldn't be the opposite? If anything, RSSI should be more repeatable ina LOS situation.

Any pointer to data that support the use of RSSI for locating radio tags?

Thanks,
Jerry Roberts



Posted  11/12/2012

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