Talk:Indoor positioning system

RFID does not locate but just the reader operates in known locations
It is a nuisance to correct faulty issues again and again: RFID does not locate, but justbjjb identifies objects. Where on earth is a method that defines a planar location with a scalar number? How does it help, when a fixed RFID reader identifies a mobile object and that object continues to move?Wireless friend (talk) 08:53, 26 January 2009 (UTC)


 * That is also a localisation technique, also known as location by proximity. Your RFID reader has a limited range (might even been known) so the fact that you can read a tag places that tag in the range of the detector. This is a relative location, i.e. it's relative to the reader and not to some common frame of reference. The reader can then be placed in a larger frame of reference, which by extension will include the identified tag.


 * This is a rudimentary indoor positioning system, deploying a set of RFID readers can allow you to track the movement of a RFID tag through a volume. However, discounting RFID as a location system technology would also discount countless of other systems that rely on the exact same mechanism for locationing, e.g. some forms of GSM/mobile phone, a lot of Wi-Fi techniques, etc. Andreala (talk) 14:01, 3 June 2009 (UTC)

I do not agree with "Wireless friend". RFID is not just to identify (transmitting and ID number) something with a transponder. There ara several choices, with different properties. Several parameters can be obtained and digitally treated to locate e.g. active transponders. Angle of arrival, received signal strenght, time of arrival, and so forth... are parameters used for different techniques of positioning systems. RFID is actually a general term to describe a way of "identifying" something, but that identification can be from just an ID code to several data, including position. —Preceding unsigned comment added by 150.214.118.104 (talk) 11:12, 13 May 2011 (UTC)

Improving Descriptions of "Wi-Fi-based positioning system (WPS)"
"Time of arrival", "Angle of arrival", and "Received signal strength indication" are all basically enhancements on "Wi-Fi-based positioning system (WPS)", so I think this should be made clearer.

Also, "Wi-Fi-based positioning system (WPS)" should not associated with the acronym WPS, as it might be confused with the well known acronym already associated with "Wi-Fi Protected Setup".

86.40.132.188 (talk) 23:41, 30 November 2014 (UTC)

"New Technology" Reads Like Original Research And Should Be Removed
The whole section does not fit in well with the rest of the article. Instead, "parking management" should be added to the "Uses" section and the content in "New Technology" should be deleted. 204.128.192.34 (talk) 21:20, 16 January 2015 (UTC)

I agree, I came to the talk page to say much the same thing. --Thuktun (talk) 02:40, 12 February 2015 (UTC)

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