Orthogonal frequency division multiplexing (OFDM) radio as radar
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United States of America Patent
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May 14, 2013
Grant Date -
Aug 11, 2011
app pub date -
Jun 8, 2010
filing date -
Feb 10, 2010
priority date (Note) -
Expired
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Abstract
An orthogonal frequency division multiplexing (OFDM) communication system is adapted for radar ranging and imaging. A radar system includes an orthogonal frequency division multiplexing (OFDM) radio communications transmitter configured to transmit information bits using one or more payload symbols in a transmitted signal; and a receiver configured to: construct the payload symbols from the information bits provided by the transmitter; receive the payload symbols in the transmitted signal reflected from a target; apply a matched filter to the received payload symbols using the constructed payload symbols as a template; and process a magnitude response at an output of the matched filter for estimating location and imaging of the target.
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