why Source eNB Sends Number of antenna ports IE in x2setup request message and what is number of antenna ports IE?

Question

what will happen if i didnt include it in handover request message?

Answer 1

First Of all this IE is optional ,
This is requested to get information about the cell, Antenna configuration (related to antenna ports)
Which will be passed on to a UE when handover happens from source to target enode b

Comments

will you explain in detail i didnt get ?