fixdt outof bounds error for data conversion block

An error occurred during simulation and the simulation was terminated

Caused by:

Input value of block 'dvbs2hdlLDPCEncoder/DVB-S2 LDPC Encoder/Parity Address Generator/ramLUT1' exceeds range of breakpoint vector for dimension 2.

my fixdt(0,4,0) for conversion block is camped to 13 matching the maximum column dimension of my ramLUT 2-D. Still it throws me this error.

[Kranti Balaga]

Hi Varun,

Since this example supports the DVB-S2 standard, the LDPC encoder is implemented using the specific parity-check matrices defined in the standard. If you modify anything inside the model, the simulation behavior may become invalid.

Could you elaborate on your issue? Under what circumstances are you encountering this error, and which version of MATLAB are you using? This information will help me assist you better.

Answer 1

[Kiran Kintali]

This looks like an unexpected behavior and is a bug in the block implementation.

https://www.mathworks.com/help/wireless-hdl/ug/DVBS2-S2HDLLDPCencoderexample.html

Please Contact MathWorks Support with reproduction steps.

[Varun]

Whats tech support?

[Stephen23]

@Varun: tech support help to resolve issues that occur when using a product. Contact them here:

https://www.mathworks.com/support/contact_us.html