RFID ANTENNA SELECTION SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Apr 23, 2009
app pub date -
Oct 6, 2008
filing date -
Oct 22, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for reading a plurality of RFID tags using a plurality of antennas includes ranking a plurality of antennas based on RFID tags readable, wherein the antenna that can read most RFID tags receives a highest ranking, and the antenna that can read the most RFID tags that were not read by another, higher ranked antenna receives the next highest ranking, progressively until each of the antennas are ranked. During a read operation, the antennas are used in series to read the RFID tags, commencing with using the highest ranking antenna and subsequently using the antennas with progressively lower ranking to read the RFID tags.
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