I see that you seek guidance on designing SDR (Software Designed Radio) in Simulink. Please go throught the following references to help you with the theoritical concepts and assist you with modelling steps.
- https://in.mathworks.com/discovery/sdr.html
- https://in.mathworks.com/help/comm/ug/rds-rbds-and-radiotext-plus-rt-fm-receiver.html
- https://in.mathworks.com/help/comm/ug/fm-broadcast-receiver.html
Furthermore, should you require assistance with MATLAB implementation for SDR, consider exploring these submissions on the MATLAB File Exchange.
- https://in.mathworks.com/matlabcentral/fileexchange/73238-software-defined-radio-for-engineers?
- https://in.mathworks.com/matlabcentral/fileexchange/12897-software-defined-radio
I hope this helps.
