RACH optimization-Preamble collision

HI Experts,

Any suggestion to fix Preamble collison with adjust number of RACH channel?
I’m doing RACH optimization to dynamic adjuct power control and number of RACH channel.
I’m confusing how to do dynamic number of RACH channel…
If there is any resource suggest me to read, please post it!

hope some one can answer my question! thank you so much!