A method performed by a remote digital unit for handling a radio communication for a mobile terminal being connected to an access point at a local site of a limited location, wherein the remote digital unit is capable of signal processing and is implemented in a central office associated with a core network and remote from the local site, said core network being part of a public cellular network wherein the local site is connected to the remote digital unit in the central office by means of an external communication link and the remote digital unit serves multiple local sites, the method being characterized by comprising: - determining whether the mobile terminal can be served locally by a local digital unit associated with the local site and being capable of signal processing and connected to a local signal switching unit at the local site, wherein the remote digital unit controls operation of the local digital unit for the radio communication, the remote digital unit being responsible for scheduling signals over a radio interface between the mobile terminal and the access point during the radio communication, if it is found that the mobile terminal can be served locally by the local digital unit - instructing the local digital unit to locally process the signals to or from the mobile terminal in the radio communication, - scheduling said signals over a radio interface between the mobile terminal and the access point during the radio communication, and - sending updated scheduling information continuously to the local digital unit during the radio communication to indicate the scheduling of said signals over the radio interface, thereby enabling the local digital unit to handle said radio communication over the radio interface according to the updated scheduling information, and if it is determined that the mobile terminal cannot be served locally by the local digital unit the signals to or from the mobile terminal are processed in the remote digital unit. - determining whether the mobile terminal can be served locally by a local digital unit associated with the local site and being capable of signal processing and connected to a local signal switching unit at the local site, wherein the remote digital unit controls operation of the local digital unit for the radio communication, the remote digital unit being responsible for scheduling signals over a radio interface between the mobile terminal and the access point during the radio communication, if it is found that the mobile terminal can be served locally by the local digital unit - instructing the local digital unit to locally process the signals to or from the mobile terminal in the radio communication, - scheduling said signals over a radio interface between the mobile terminal and the access point during the radio communication, and - sending updated scheduling information continuously to the local digital unit during the radio communication to indicate the scheduling of said signals over the radio interface, thereby enabling the local digital unit to handle said radio communication over the radio interface according to the updated scheduling information, and if it is determined that the mobile terminal cannot be served locally by the local digital unit the signals to or from the mobile terminal are processed in the remote digital unit.