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Enabling ubiquitous sensing with RFID

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1 Author(s)
R. Want ; Intel Res., Santa Clara, CA, USA

Radio frequency identification has attracted considerable press attention in recent years, and for good reasons: RFID not only replaces traditional barcode technology, it also provides additional features and removes boundaries that limited the use of previous alternatives. Printed bar codes are typically read by a laser-based optical scanner that requires a direct line-of-sight to detect and extract information. With RFID, however, a scanner can read the encoded information even when the tag is concealed for either aesthetic or security reasons. In the future, RFID tags will likely be used as environmental sensors on an unprecedented scale.

Published in:

Computer  (Volume:37 ,  Issue: 4 )