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Error editing outputframe of Implement Digital Upconverter example

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I am doing the example: "Implement Digital Upconverter". When I keep the code in the file "HDLImplementationOfDUCForLTEExample.m" all works fine, however when I change the outputframe value (line 366) from 4 to 1, the following error occurs:
I'm a newbie here, I've been trying to fix this issue for 2 weeks straight. Does anyone know how to get rid of this problem? please help me, thank you very much.
Bharath Venkataraman
Bharath Venkataraman on 27 Jul 2023
This looks like an issue in the model. Could you please contact customer support? We will try to find a workaround for the issue.

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Answers (1)

Bharath Venkataraman
Bharath Venkataraman on 28 Jul 2023
Attached is a model (DUCforLTEHDL_14bit_v2_23a) that works around the issue found in the way the FIR Interpolator sends out output. A small FIFO has been added between the FIR Interpolators to pace the data transfer between them.
The data width has been reduced to 14 bits in the filter chain. If that is not really necessary and all you want is 14 bit input and output, you can increase the intermediate widths to 18 bits (DUCforLTEHDL_14bit_v3_23a).


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