A method for constructing a neighbor table, comprising: receiving , at a mobile base station which can be moved, a physical cell identifier, PCI, of a detected neighbor base station from a user equipment, UE, of a plurality of user equipments, UEs; receiving, at the mobile base station , a global positioning system, GPS, position of the mobile base station from a GPS receiver of the mobile base station ; requesting , from the mobile base station via the UE , an evolved universal terrestrial radio access cell global identifier, ECGI, of the detected neighbor base station ; receiving , at the mobile base station from the UE , the evolved universal terrestrial radio access cell global identifier, ECGI, of the detected neighbor base station ; reporting , to the coordinating node from the mobile base station , the PCI of the detected neighbor base station , the GPS position of the mobile base station and the ECGI of the detected neighbor base station , for association , by the coordinating node , of the GPS position of the mobile base station with the PCI and the ECGI of the detected neighbor base station in a neighbor table; receiving, at the mobile base station from the user equipment, UE, of the plurality of the UEs, a handover request with an ambiguous PCI; resolving, at the mobile base station , the ambiguous PCI by retrieving , from the coordinating node , at least one PCI and an ECGI matching the ambiguous PCI, and associating the retrieved at least one PCI and the ECGI with a current GPS position of the mobile base station , wherein the neighbor table is an automatic neighbor relation, ANR, table, wherein the ANR table is constructed and stored at the coordinating node in an operator core network; sharing the ANR table with a plurality of eNodeBs in the network, and wherein the detected neighbor base station is an eNodeB. receiving , at a mobile base station which can be moved, a physical cell identifier, PCI, of a detected neighbor base station from a user equipment, UE, of a plurality of user equipments, UEs; receiving, at the mobile base station , a global positioning system, GPS, position of the mobile base station from a GPS receiver of the mobile base station ; requesting , from the mobile base station via the UE , an evolved universal terrestrial radio access cell global identifier, ECGI, of the detected neighbor base station ; receiving , at the mobile base station from the UE , the evolved universal terrestrial radio access cell global identifier, ECGI, of the detected neighbor base station ; reporting , to the coordinating node from the mobile base station , the PCI of the detected neighbor base station , the GPS position of the mobile base station and the ECGI of the detected neighbor base station , for association , by the coordinating node , of the GPS position of the mobile base station with the PCI and the ECGI of the detected neighbor base station in a neighbor table; receiving, at the mobile base station from the user equipment, UE, of the plurality of the UEs, a handover request with an ambiguous PCI; resolving, at the mobile base station , the ambiguous PCI by retrieving , from the coordinating node , at least one PCI and an ECGI matching the ambiguous PCI, and associating the retrieved at least one PCI and the ECGI with a current GPS position of the mobile base station , wherein the neighbor table is an automatic neighbor relation, ANR, table, wherein the ANR table is constructed and stored at the coordinating node in an operator core network; sharing the ANR table with a plurality of eNodeBs in the network, and wherein the detected neighbor base station is an eNodeB. <EOS>