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Do we need the communications blockset from Matlab in order to run ofdm_TxRx_simOnly.mdl? It looks like the file has a few bad links, for example, commsink2/Discrete-Time Scatter Plot Scope and also Matlab is not able to open commsink2.mdl.
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There are a few Comm blockset blocks in the model, but they're all used only in simulation. The AWGN channel block (in the top-level "Channel" subsystem) and the Discrete Time Scatter Plots (in the Rx Equalizer and Phase Adjust subsystems) should be the only ones. You can safely remove these and still run the full model in simulation and hardware.
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