While studying the MAC specification today, I thought it would be a good idea to check the MAC Buffer Status Report (BSR) control element details. I had following questions in my mind about Buffer Status Report: Why is this control element used in LTE? What are different BSR CE formats?
LTE MAC Tutorial
This tutorial describes the specific details of the LTE MAC layer or the Medium Access Control protocol. MAC is a radio network protocol which resides both in the UE and in the E-UTRAN. Also, it should be noted that MAC protocol is available for both User plane and also for the control plane. RRC (Radio Resource Control) protocol is in (more ..)