What are 5G different functional split options? And why we need it?

Hello dears.

Does anyone could explain the different functional split options for 5G? Pros, cons?

Hello @marcelofb, here you can find good and detailed overview of functional splits between CU, DU and RU:

https://www.hubersuhner.com/en/documents-repository/technologies/pdf/fiber-optics-documents/5g-fundamentals-functional-split-overview