Patent ID: 7072358

Claim:
A transmission method for transmission of data in a telecommunication network, said network comprising a core network (CN) and an access network (AN), with said access network (AN) comprising at least one access system (RAN, BSS) of a GSM based access system type; wherein data are transmitted between said core network (CN) and said at least one access system (BSS) of a GSM based access system type of said access network (AN) via an Iu interface (Iu-I/F) wherein each of said at least one access systems (RAN, BSS) comprises at least one transceiver device (BS) and an associated transceiver control device (RNC/BSC), and wherein data are transmitted within each of said access systems (RAN, BSS) via an Iub and/or an Iur interface in a frame format which is the same as the one adopted for said Iu interface (Iu-IF).