Frequency Control for Improved Echo Cancellation in a Full-Duplex Link
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Oct 2, 2023
filing date -
Oct 2, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A communication device includes a transmitter, a receiver, an echo canceler, and a frequency controller. The transmitter is to transmit a transmitted (TX) signal to a peer communication device over a full-duplex link. The receiver is to receive a received (RX) signal from the peer communication device over the full-duplex link. The echo canceler is to cancel an echo component of the TX signal that is present in the RX signal. The frequency controller is to apply an adjustment to a frequency of the TX signal, the adjustment setting a phase between the TX signal and the RX signal to a value that facilitates cancellation of the echo component by the echo canceler.
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