A communication system (200, 300), which comprises: a plurality of access network entities comprising at least: a mobile access network entity, in particular an eNodeB or a gNodeB, forming a mobile cell for connecting a mobile station, the mobile cell comprising a coverage area, wherein a mobile location identifier, ID, is assigned to the coverage area, and a fixed access network entity forming a fixed cell for connecting a fixed station, the fixed cell comprising a further coverage area, wherein a fixed location ID is assigned to the further coverage area; a core network entity, in particular an AMF, access and mobility management function, entity, configured to determine a trusted location identification of the mobile station based on the mobile location ID and a further trusted location identification of the fixed station based on the fixed location ID, wherein the mobile location ID and the fixed location ID are instances of a location ID and are represented based on a common location ID namespace, characterized in that: the core network entity is configured to receive, via an N2 interface between the mobile access network entity and the core network entity, the mobile location ID together with a mobile station ID assigned to the mobile station in a common location ID namespace format upon a connection request from the mobile station, and the core network entity is configured to receive, via a further N2 interface between the fixed access network entity and the core network entity, the fixed location ID together with a fixed station ID assigned to the fixed station in the common location ID namespace format upon a connection request from the fixed station. a plurality of access network entities comprising at least: a mobile access network entity, in particular an eNodeB or a gNodeB, forming a mobile cell for connecting a mobile station, the mobile cell comprising a coverage area, wherein a mobile location identifier, ID, is assigned to the coverage area, and a fixed access network entity forming a fixed cell for connecting a fixed station, the fixed cell comprising a further coverage area, wherein a fixed location ID is assigned to the further coverage area; a mobile access network entity, in particular an eNodeB or a gNodeB, forming a mobile cell for connecting a mobile station, the mobile cell comprising a coverage area, wherein a mobile location identifier, ID, is assigned to the coverage area, and a fixed access network entity forming a fixed cell for connecting a fixed station, the fixed cell comprising a further coverage area, wherein a fixed location ID is assigned to the further coverage area; a core network entity, in particular an AMF, access and mobility management function, entity, configured to determine a trusted location identification of the mobile station based on the mobile location ID and a further trusted location identification of the fixed station based on the fixed location ID, wherein the mobile location ID and the fixed location ID are instances of a location ID and are represented based on a common location ID namespace, characterized in that: the core network entity is configured to receive, via an N2 interface between the mobile access network entity and the core network entity, the mobile location ID together with a mobile station ID assigned to the mobile station in a common location ID namespace format upon a connection request from the mobile station, and the core network entity is configured to receive, via a further N2 interface between the fixed access network entity and the core network entity, the fixed location ID together with a fixed station ID assigned to the fixed station in the common location ID namespace format upon a connection request from the fixed station. the core network entity is configured to receive, via an N2 interface between the mobile access network entity and the core network entity, the mobile location ID together with a mobile station ID assigned to the mobile station in a common location ID namespace format upon a connection request from the mobile station, and the core network entity is configured to receive, via a further N2 interface between the fixed access network entity and the core network entity, the fixed location ID together with a fixed station ID assigned to the fixed station in the common location ID namespace format upon a connection request from the fixed station.