Methods and systems for modulating and de modulating data
AssigneeArctan, Inc.
InventorsRenan Andres Cabrera Lafuente, Oscar Roberto Cabrera Lafuente
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Abstract
Methods and systems for modulating and demodulating data in systems. Bits can be converted into complex-valued symbols. An Inverse Fast Fourier Transform (FFT) can be applied to the complex-valued symbols that represent the bit groups. An FFT time window can be replaced with a time window and a frequency window. A signal comprising the time window and the frequency window can be transmitted. The signal can be converted into a complex-valued symbol. The complex-valued symbols can be converted into bits.
Claims17
A method for modulating and demodulating data in systems, comprising:
- converting bits in a bit stream of bit groups into complex-valued symbols;
- applying an Inverse Fast Fourier Transform (FFT) to the complex-valued symbols that represent the bit groups;
- replacing an FFT time window with a time window and a frequency window;
- transmitting a signal comprising the time window and the frequency window;
- converting the signal into complex-valued symbols;
- and
- converting the complex-valued symbols into bits,
- wherein a variation of frequencies of two signals in time is resolved.
A system for modulating and demodulating data in systems, comprising:
- a processor configured for:
- converting bits in a bit stream of bit groups into complex-valued symbols;
- applying an Inverse Fast Fourier Transform (FFT) to the complex-valued symbols that represent the bit groups;
- replacing an FFT time window with a time window and a frequency window;
- transmitting a signal comprising the time window and the frequency window;
- converting the signal into complex-valued symbols;
- and
- converting the complex-valued symbols into bits;
- wherein a variation of frequencies of two signals in time is resolved.
Dependencies are inferred from the claim text.