commpy.channels.awgn¶
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awgn
(input_signal, snr_dB, rate=1.0)¶ Addditive White Gaussian Noise (AWGN) Channel.
Parameters: - input_signal (1D ndarray of floats) – Input signal to the channel.
- snr_dB (float) – Output SNR required in dB.
- rate (float) – Rate of the a FEC code used if any, otherwise 1.
Returns: output_signal – Output signal from the channel with the specified SNR.
Return type: 1D ndarray of floats