Unable to resolve the name comm.AWGNChannel

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Hello all,
I have recently upgraded matlab to the R2020b and for some reason it is not able to run the Gaussian noise signal comm.AWGNChannel.
channel = comm.AWGNChannel('NoiseMethod','Variance', ...
'VarianceSource','Input port');
Does anyone know how to fix this?
Thank you in advance,

Answers (1)

Maadhav Akula
Maadhav Akula on 24 Jan 2021
Try the following command:
which -all comm.AWGNChannel
This should return the location of the file of AWGNChannel.m
Also, try the following command to check whether you have the Communications Toolbox installed or not:
This will return the Communications Toolbox version and 1 if you have access to the Communications Toolbox.
Hope this helps!


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