Hardware optimization for 5G fractional bandwidth digital pre-distortion
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United States of America Patent
Stats
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Dec 5, 2023
Grant Date -
Nov 24, 2022
app pub date -
May 3, 2021
filing date -
May 3, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transceiver chain may receive, using a downconverter tuned by at least one local oscillator, transmit signals that are modulated using a modulation bandwidth and that span a total bandwidth greater than or equal to the modulation bandwidth. The at least one local oscillator may cover a first fraction of the total bandwidth. The transceiver chain may receive, using at least one analog-to-digital converter, input from the downconverter, and may output a first digital signal based at least in part on the input and sampling at the first fraction of the total bandwidth. The transceiver chain may determine an error associated with the transmit signals based at least in part on the first digital signal, and may perform digital pre-distortion on new signals based at least in part on the error. Numerous other aspects are described.
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