US2022123982A1PendingUtilityA1

Methods and systems for modulating and de-modulating data

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Assignee: ARCTAN INCPriority: Apr 10, 2019Filed: Dec 30, 2021Published: Apr 21, 2022
Est. expiryApr 10, 2039(~12.7 yrs left)· nominal 20-yr term from priority
Inventors:Renan Andres Cabrera LafuenteOscan Roberto Cabrera Lafuente
H04L 27/2628H04L 27/265H04L 27/2605H04L 27/2639H04L 27/26532H04L 27/263
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Claims

Abstract

Methods and systems for modulating and demodulating data in systems is described. An Inverse Fast Fourier Transform (FFT) can be applied to complex-valued symbols that represent bit groups. The FFT can be replaced with a Fast Accurate Fourier Transform (FAFT) that can comprise variable size signal windows.

Claims

exact text as granted — not AI-modified
What is claimed: 
     
         1 . A method for modulating and demodulating data, comprising:
 applying an Inverse Fast Fourier Transform (FFT) to complex-valued symbols that represent bit groups;   replacing the FFT with a Fast Accurate Fourier Transform (FAFT) that comprises variable size signal windows

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