torchsig.signals.builders.ofdm.ofdm_modulator_baseband

torchsig.signals.builders.ofdm.ofdm_modulator_baseband(num_subcarriers: int, max_num_samples: int, oversampling_rate_nominal: int, rng: Generator | None = None) → ndarray[source]

Modulates OFDM signal at baseband.

Parameters:

  • num_subcarriers – Number of subcarriers to use.

  • max_num_samples – Maximum number of samples to produce.

  • oversampling_rate_nominal – Oversampling rate (sampling_rate/bandwidth).

  • rng – Random number generator for reproducibility. If None, creates a new default generator.

Returns:

OFDM modulated signal at baseband.

Return type:

np.ndarray

Raises:

ValueError – If num_subcarriers, max_num_samples, or oversampling_rate_nominal are not positive.