A. They require AAU support.
B. They are based on the TDM mechanism.
C. They require dock synchronization.
D. They are based on the IP mechanism.
A. True
B. False
A. OSSB
B. PDCCH
C. CSI-RS
D. PDSCH
A. Interoperability capability
B. Call drop capability
C. Equipment functions and coverage capability
D. SON capability
A. Interconnection via backplane in a subrack
B. Interconnection through CI interfaces on the UMPT boards in different subracks
C. IPRAN interconnection between subracks
D. Interconnection through HEI interfaces on the UBBP boards in different subracks