Circuit and method for inter-symbol and intra-symbol voltage modulation
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United States of America
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Feb 25, 2025
Grant Date -
Apr 20, 2023
app pub date -
Sep 19, 2022
filing date -
Sep 19, 2022
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Abstract
Circuit and method for inter-symbol and intra-symbol voltage method are disclosed. Herein, a transceiver circuit is configured to determine a voltage target(s) for generating a modulated voltage(s) to amplify a radio frequency (RF) signal modulated in multiple symbols. Specifically, the transceiver circuit will generate multiple voltage targets for any of the symbols to thereby enable intra-symbol voltage modulation when the respective symbol is modulated to carry a selected type of information or generate a single voltage target for any of the symbols to thereby enable inter-symbol voltage modulation when the respective symbol lacks the selected type of information. By dynamically performing inter-symbol and intra-symbol voltage modulation based on the type of information carried in a symbol(s), the modulated voltage can be timely adapted to closely track a time-variant power envelope of the RF signal to thereby avoid potential distortion and protect critical information in the RF signal.
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