Bidirectional phase-based distance estimation with crystal offset
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United States of America Patent
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Apr 4, 2023
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N/A
app pub date -
Sep 30, 2021
filing date -
Sep 30, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A transceiver circuit is disclosed. The transceiver circuit includes an antenna, a receiver RF chain configured to receive a receiver RF signal from the antenna, a transmitter RF chain configured to transmit a transmitter RF signal to the antenna, and a controller configured to cause the receiver RF chain to receive a first distance estimate between the antenna and another transceiver circuit, to calculate a second distance estimate between the antenna and the other transceiver circuit, and to determine a range estimate between the antenna and the other transceiver circuit based on the first distance estimate and the second distance estimate.
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