Mobile communication system

3:

• The mobile communication system according to claim 2, wherein said CSG-ID is a physical cell identity (PCI).

4:

• The mobile communication system according to claim 2, wherein said range of CSG-ID is a range of CSG-ID regarding a frequency layer different from another frequency layer to which said CSG cell belongs.

5:

• The mobile communication system according to claim 2, wherein said range of CSG-ID is notified using a dedicated control channel (DCCH) that is set for each user equipment.

6:

• A base station configured to perform radio communication with at least one user equipment,
• wherein said base station notifies said at least one user equipment of a range of a closed subscriber group identity (CSG-ID) that is an identity assigned to a closed subscriber group (CSG) cell in which identified subscribers are permitted access.

7:

• A user equipment configured to perform radio communication with a base station,
• wherein said user equipment receives, from said base station, a range of a closed subscriber group identity (CSG-ID) that is an identity assigned to a closed subscriber group (CSG) cell in which identified subscribers are permitted access.