What is CRNTI (Cell Radio Network Temporary Identifier)?

The Cell Radio Network Temporary Identifier is utilized on common transport channels for enhancement purposes. The choice to utilize the C-RNTI is made by the Controlling Radio Network Controller.
C-RNTI allocation strategy is applied to a first base station; the first base station can offer support to user equipment (UE) along with a second base station by means of a double-connection design and designate a C-RNTI to the UE as indicated by the similar C-RNTI set.