精选优质文档-倾情为你奉上MAC 层数据结构（T36.321）6.1.3.1Buffer Status Report MAC Control ElementsBuffer Status Report (BSR) MAC control elements consist of either:-Short BSR and Truncated BSR format: one LCG ID field and one corresponding Buffer Size field (figure 6.1.3.1-1); or-Long BSR format: four Buffer Size fields, corresponding to LCG IDs #0 through #3 (figure 6.1.3.1-2).6.1.3.2C-RNTI MAC Control Element（用于反向，从UE向eNodeB）The C-RNTI MAC control element is identified by MAC PDU subheader
