A strong negative result provides insight to improve RFID sensing systems

Thursday, July 18, 2019

Radio frequency identification (RFID) tags, those tiny ribbons of metal with a tiny chip, are found in countless objects. From key fobs and payment cards to library books and inventory in a factory, these embedded inexpensive tags provide a way to uniquely and wirelessly identify objects.

Because RFID tags are widely deployed and cost little — mere pennies per tag — researchers have been working to expand their applications beyond mere identification, being able to know, for example, where a misplaced tagged book is on a library shelf rather than simply if it has been checked out or returned. Read the full story.

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