The base station (20) has a network terminating unit and a scheduling unit.
In addition, the installation of the upgraded ONT unit to the PON does not effect baseline optical service to any other ONT unit.
According to said method, at least one bundle of lines (18) is associated with a switching centre (14) and at least one bundle of lines (46) is associated with a network termination unit (44).
The base station (10) has a network terminating unit that transmits, to the base station (20), a result of resource allocation to the mobile station (30).
This network terminating unit receives the result of resource allocation by the base station (10) that has been transmitted by the aforementioned network terminating unit.