| 摘要 |
A communication system is presented in which a base station 11-1, 11-2, such as a Home Base Station (HeNB), operates each of a plurality of cells 9, 10 using a respective component carrier 12, 14. When the base station decides to configure a mobile telephone to use additional cells of the plurality of cells, an access control procedure is initiated to determine for each cell whether the configuration should be allowed by means of transmitting a message to a communication entity 6 (mobility management entity (MME)). For use in carrier aggregation systems wherein at least one cell employs Closed Subscriber Group, CSG, access modes with closed, hybrid or open access. Handover procedures are also disclosed in which the MME generates a handover request message including a CSG ID of target cells for which the access control / membership verification / charging assessment has been successful. |
