I alwayes batted for complete CU and DU split .....since last 2-3 years...though not caring much about technical inquisitives but more for next gen network obectives and its perceptives, 3GPP RAN meeting conclusion here as putted by RAN chairman.....include this for consideration ....
Excerpts from the meeting report and 3GPP RAN Focus for next years as well as release 16.
3GPP’s proposal for the IMT-2020 call from the ITU-R is on schedule. TSG RAN is currently planning a workshop, for October 2018, which will provide an insight on our 5G technology and provide detailed self-evaluation results (including simulation assumptions and calibration) of the 3GPP 5G proposal.
Strong Focus as expected would be on 6GHz....in next years working items.
Future plan for Release 16.....
3GPP TSG going to have workshop next year october 2018.......
Deatail report is presented here ......