Loran device with interference cancellation and interference canceller device with related methods
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United States of America Patent
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Jun 7, 2022
Grant Date -
Nov 5, 2020
app pub date -
May 1, 2019
filing date -
May 1, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A LORAN device may include a LORAN antenna, a LORAN receiver, an RF signal path extending between the LORAN antenna and the LORAN receiver and being subject to ambient RF interference, and an ambient RF interference canceller coupled in the RF signal path. The ambient RF interference canceller may include an ambient RF interference sensor configured to generate an estimated ambient RF interference signal based on the sensed ambient RF interference, and cancellation circuitry configured to cooperate with the ambient RF interference sensor to generate an ambient RF interference cancellation signal based upon the sensed ambient RF interference signal, and add the ambient RF interference cancellation signal to the RF signal path.
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