Thank you very Much agaur for your reply. your answar help me in some way but i want to develop a technique to estimate aoa measurement and the signalling requires to measure the mobile location by using the LTEi.

My Objectives are as follows:
1- Enable methods of UEi positioning.
2- Making use of the angle of arrival to UE transmission.
3- eNB should, optionally support angle of arrival measurements.
4- These measurements are on UE’s transmission using adaptive antenna.
5- eNB implements adaptive antenna systems

Kind Regards
Muhammad Tahir