https://uk.mathworks.com/help/lte/ref/ltepucch2drsdecode.html
ltePUCCH2DRSDecode - PUCCH format 2 DRS decoding - MATLAB
This MATLAB function returns a vector of hybrid automatic repeat request (HARQ) indicator values, ack, obtained by performing PUCCH format 2 DRS decoding of...
formatdrsdecodingmatlab