WIRELESS RFID NETWORKING SYSTEMS AND METHODS
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Abstract
Embodiments of the present invention include a wireless access point that acquires and processes radio frequency identification (RFID) information. The wireless access point may be coupled to a network of RFID readers over a wireless network. The RFID readers may read a plurality of RFID tags and transmit information to one or more readers. The readers may, in turn, transmit the RFID information to a wireless access point. The wireless access point may include a middleware layer for performing a variety of RFID data processing functions. In one embodiment, the wireless RFID reader network may be used to improve positioning of readers and tags, and may include a GPS system or position assisted GPS system at the reader and/or tag level.
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Citations
56 Claims
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1-32. -32. (canceled)
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33. A system for distributed management of a plurality of tags, the system comprising:
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a plurality of tags comprising tag data; a set of tag readers for retrieving tag data, a plurality of tag readers in the set of tag readers comprising storage for storing tag data and tag positions, at least one tag reader in the plurality of tag readers further for determining tag positions based on the tag data; and a set of access points, each access point for receiving tag data from the set of tag readers, at least one access point in the set of access points comprising storage, the access point for (i) storing the received tag data in the access point storage, (ii) receiving tag positions from said at least one tag reader and storing the received tag positions in the access point storage, (iii) calculating tag positions based on said tag data and storing the calculated tag positions in the access point storage, (iv) determining that a position of a tag has changed, and (v) transmitting the changed tag position to the plurality of tag readers. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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Specification