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Probabilistic Location Estimation - Does it work? - RF Cafe Forums
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| Jerry
Roberts |
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Post subject: Probabilistic Location Estimation - Does it work?
Posted: Tue Mar 01, 2005 6:53 pm
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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
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tel |
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Post subject: tags
Posted: Tue Mar 01, 2005 9:47 pm
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the DAt's just come through, that supported evidence
won't be used until significant portions of a user
base, decide their landlines have become obsolete.
Remember that if you need making descisions for
skeptics, advise the immigrants first, and the operators
@nd.
It's like channelling un-supported material
in the wind, so why should a Tag identify locations
which don't even exist?
when you have such false
rumours bought to light, there's always a clammer
for more.
It's rather like feeding Zoo-animals.
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Posted 11/12/2012
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