Backscatter communication systems, interrogators, methods of communicating in a backscatter system, and backscatter communication methods
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Sep 3, 1998
filing date -
Sep 3, 1998
priority date (Note) -
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Abstract
The present invention includes backscatter communication systems, interrogators, methods of communicating in a backscatter system, and backscatter communication methods. According to one aspect of the present invention, a backscatter communication system includes an interrogator including a transmitter configured to output a forward link communication and a receiver configured to receive a return link communication having a carrier signal, the receiver being configured to reduce the amplitude of the carrier signal of the return link communication; and a communication device configured to modulate the carrier signal to communicate the return link communication responsive to reception of the forward link communication.
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