COMMUNICATIONS SYSTEM, METHOD FOR CONTROLLING A COMMUNICATIONS SYSTEM, NETWORK ACCESS DEVICE AND METHOD FOR CONTROLLING A NETWORK ACCESS DEVICE

摘要

The invention relates to a communications system with a network access device, which enables the access of a first to a third communications network and the access from a second to a third communications network, and during the data transmission from the first to the third communications network and the data transmission from the second to the third communications network, the same network layer address of the network access device can be used and, in particular, remains the same during a handover of a user terminal from the first to the second communications network.