Description  Claims  Drawing  Cited references 

US20010012279A1   [0007] 
US20110122812A1   [0008] 
EP2547023A1   [0008] 
US20120057560A1   [0009] 

Considering on PDCP in multiflow   [0004] 
PDCP status report in dual connectivity   [0005] 
L2 transport of SRBs and relation to RLF handling   [0006]