Table Of Contents

Impairments Nodes

Last Modified: September 9, 2016

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Generates zero-mean, complex additive white Gaussian noise (AWGN) with uniform power spectral density and adds it to the complex baseband modulated waveform.
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Models and applies common sources of phase noise present in communications systems components. This node creates phase noise by first generating white noise and then applying a 1/f (inverse f) filter to specify the noise shape. The output of the filter is scaled such that the generated noise density is equal to the specified offset frequency. The phase component of the input signal is then modulated by the filtered noise.
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Applies various I/Q impairments to the complex baseband modulated waveform.
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Generates a multitone waveform, adds it to the complex baseband modulated waveform, and returns a signal-plus-tones waveform. You can use the tones-added signal to test transmitter interference rejection.
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Generates a user-specified Rayleigh or Rician fading profile for the complex baseband waveform.
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Applies a fading profile to fade the complex baseband modulated waveform. The faded waveform can be used to test receiver immunity to fading channels.

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