Parallel Correlation in Simulink

Hello everyone

How can I build Parallel correlator in Simulink using correlation block or is there any already available block for parallel correlation?

Thank you

Answer 1

[Jaimin]

Hi @Sri Janani Egambaram

To build a parallel correlator in Simulink, you can use the existing blocks and customize them to achieve parallel correlation.

Here is a step-by-step guide:

Create a New Model: Start a new Simulink model.

Add Correlation Block:

• Use the DSP System Toolbox which provides a “Correlation” block. You can find it under the DSP System Toolbox > Statistics > Correlation.

Configure the Correlation Block:

• Double-click the “Correlation” block to set its parameters

Parallel Processing:

• To implement parallel processing, you can replicate the correlation block for each channel or partition of your data that you want to process in parallel.
• Use a “Demux” block to split the input signal into multiple channels if necessary.

Combine Results:

• After processing in parallel, you can use a “Mux” block to recombine the results from each parallel correlator.

If you need further customization or optimization, consider using MATLAB code with the “MATLAB Function” block to handle specific correlation logic tailored to your application.

For more information kindly refer following MathWorks documentation.

Correlation: https://www.mathworks.com/help/releases/R2022b/dsp/ref/correlation.html

Demux: https://www.mathworks.com/help/releases/R2022b/simulink/slref/demux.html

Mux: https://www.mathworks.com/help/releases/R2022b/simulink/slref/demux.html

I hope this will be helpful.