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Wednesday, May 13, 2009

Passive RFID RSSI positioning

Can we depend on RSSI on passive RFID to get tag distance to a dual-port antenna? Well, with the equipment we are using, and though our first experiments were very promising, we presently can’t guarantee enough precision and reliability to use on some of the more challenging scenarios.

On some conveyer scenarios we can differentiate on from another as long as they are not too close from one another and that multipath in-phase extending phenomena can be avoided.

Oh well, back to the drawing board…

1 comment:

Millard Hiner said...

Hi

Passive RFID RSSI positioning?

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