A、 同一基站的不同扇区之间的切换属于软切换 | Handover between cells from the same eNB is soft handover.
B、 基于S1口的切换属于软切换。 | Handover via S1 interface is soft handover.
C、 基于X2口的切换属于硬切换。 | Handover via X2 interface is hard handover.
D、 不同基站的扇区之间的切换属于硬切换。 | Handover between cells from different eNB is hard handover.