Patent ID: 7817014
Filing Date: 2010-10-19
Classification: G01S,G06K

Abstract:
1. Apparatus for use in a radio frequency identification (RFID) tag data acquisition system including at least one RFID tag, at least one RFID tag interrogator for transmitting at least one RF interrogation signal for interrogating said at least one RFID tag, and at least one RFID receiver for receiving RFID tag data from said at least one RFID tag, said apparatus comprising: at least one controller operative to generate at least one parameter associated with operational characteristics of at least one of said at least one RFID tag interrogator, said at least one RFID receiver, and said at least one RFID tag, and to forward the respective at least one parameter to said at least one of said at least one RFID tag interrogator, said at least one RFID receiver, and said at least one RFID tag, wherein the respective at least one parameter is generated by said at least one controller to avoid interference at least one RFID tag during the transmission of said at least one RF interrogation signal by said at least one RFID tag interrogator, and to avoid interference at least one RFID receiver during the reception of said RFID tag data from said at least one RFID tag, wherein the respective at least one parameter comprises at least one scheduling parameter, wherein said at least one RFID tag interrogator is operative to transmit said at least one RF interrogation signal for interrogating said at least one RFID tag using a plurality of carrier frequencies in a specified frequency hop sequence, and wherein said at least one controller is further operative to generate said at least one scheduling parameter based at least in part upon information relating to said specified frequency hop sequence, and to forward said at least one scheduling parameter to said at least one RFID tag interrogator to schedule in time the transmission of said at least one RF interrogation signal, thereby avoiding at least one collision in frequency involving said at least one RF interrogation signal.