How Downlink Control Information or DCI in LTE?

Downlink Control Information or DCI in LTE The PDCCH carries Downlink Control Information or DCI to indicate the resource assignment in UL or DL for one RNTI. A DCI can…

How Data Transmission in UL in LTE?

In UL, the UE has no dedicated resources to transmit directly when new data arrived in the buffer from higher layer.  It requests resources to transmit them.  It receives radio…

DL scheduler in LTE

The DL scheduler is spit into 3 functional parts: 1.The Static Scheduler: Which assigns a fixed amount of Transport Blocks as well as PDCCH and PDSCH resources for the BCCH…

How DL Channel works in LTE?

The PDCCH, Physical Downlink Control Channel, allocates the DL and UL resources. There is one PDCCH per sub-frame.   It helps the UE retrieve the transport blocks from the PDSCH:…

LTE : Data Transmission in DL

The data in DL are sent on the PDSCH  A minimum of 2 RBs are allocated by the eNodeBs.  A RB is 12 sub-carriers on a slot (7 symbols).  The…

UE categories in LTE

These UE categories are often referred to as UE classes. The low end UE does not support MIMO but the high end UE will support 4×4 MIMO Whatever category a…