Universal Mobile Telecommunications System (UMTS); UTRAN Iur and Iub interface data transport & transport signalling for DCH data streams (V11.0.0; 3GPP TS 25.426 version 11.0.0 Release 11)
The present document specifies the transport bearers for the DCH/E-DCH data streams on UTRAN Iur and Iub interfaces. The corresponding Transport Network Control plane is also specified. The physical layer for the transport bearers is outside the scope of the present document.