figure out individual users' DMRS or SRS from extracting uplink DMRS or SRS

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figure out individual users' DMRS or SRS from extracting uplink DMRS or SRS

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Hi experts 

I am trying to figure out individual users' DMRS or SRS from extracting uplink DMRS or SRS.

as I know in the multi users system, the users are interleaved to the same symbol over all frequency band or they are phase rotated.

now, whar shoud I do to extract DMRS or SRS for each user? 

do I need to  deinterleaved and de-phase rotated them, if so How can I do that?

Thanks

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  • also , how should I know, which RBs are assigned to which users' DMRS or SRS without knowing the scheduling information?

    is it possible,

    HOW  can i detect the references signal  for different users?

    please tell me  the possible procedure steps?( without decode and deciphering  the PUCCH to find out how users are scheduled)  

    Thanks