Closed gvanhoy closed 3 weeks ago
I believe the bandwidth for G/FSK is defined via samples per symbol here:
fsk_dataset = FSKDataset(
modulations=fsks,
num_iq_samples=num_iq_samples,
num_samples_per_class=num_samples_per_class,
iq_samples_per_symbol=8,
random_data=random_data,
random_pulse_shaping=random_pulse_shaping,
**kwargs,
)
gfsks_dataset = FSKDataset(
modulations=gfsks,
num_iq_samples=num_iq_samples,
num_samples_per_class=num_samples_per_class,
iq_samples_per_symbol=8,
random_data=random_data,
random_pulse_shaping=random_pulse_shaping,
**kwargs,
)
https://github.com/TorchDSP/torchsig/blob/v0.4.2/torchsig/datasets/synthetic.py#L179
The 8 samples per symbol is used as a bandwidth measure which is then transformed internally to the FSK modulator such it has the proper bandwidth.
Old issue, closing out
The normalized bandwidth of FSK's appears to be fs/8 and PSK's is fs/2