Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 18, 2011
Patent Application Number
11770712
Date Filed
June 28, 2007
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A multi-protocol, multi-band array antenna system may be used in Radio Frequency Identification (RFID) system reader and sensory networks. The antenna array may include array elements with an integrated low noise amplifier. The system may employ digital beam forming techniques for transmission and steering of a beam to a specific sensor tag or group of tags in an cell. The receive beam forming network is optimized for detecting signals from each sensor tag. Narrow and wideband interferences may be excised by an interference nulling algorithm. Space division multiplexing may be used by the antenna system to enhance system processing capacity.
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