Method of communications in a backscatter system, interrogator,

Details Method of communications in a backscatter system, interrogator, Method of communications in a backscatter system, interrogator,

1998-05-18

2000-06-13

Bost, Dwayne D.

Telecommunications

Transmitter and receiver at separate stations

455101, 455106, 34082554, 340505, H04Q 302, H03C 702, G08B 2600

Patent

active

060759739

ABSTRACT:
An interrogator for use in a backscatter system, the interrogator comprising an antenna configured to receive a backscatter signal; an IQ downconverter coupled to the antenna and configured to downconvert the backscatter signal to produce I and Q signals; a combiner coupled to the IQ downconverter and configured to combine the I and Q signals to produce a combined signal; and an analog to digital converter coupled to the combiner and configured to convert the combined signal to a digital signal. A method of communications in a backscatter system, the method comprising receiving a backscatter signal; downconverting the backscatter signal with an IQ downconverter to produce I and Q signals; combining the I and Q signals to produce a combined signal; and converting the combined signal to a digital signal.

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