RFID interrogator device

Details RFID interrogator device RFID interrogator device

2007-07-24

2011-12-13

Mehmood, Jennifer (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S010100, C375S345000, C455S232100, C455S234100

Reexamination Certificate

active

08077010

ABSTRACT:
RFID interrogator device carries out an automatic gain control when an RF signal from RFID tag with a backscatter radio-communication is received. To carry out the automatic gain control, amplitude of the reception signal is measured within a prescribed time corresponding to a length of preamble added to the head of data of the RF signal. An AGC value is determined based on the measured amplitude value.

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