The described aspects include methods and apparatus for performing positioning for a user equipment (UE). The UE can communicate with a plurality of serving cells in a multicarrier configuration, and can indicate a plurality of serving cell identifiers corresponding to the plurality of serving cells in a message to a positioning server. The positioning server can obtain location information corresponding to at least a portion of a plurality of cells, or related eNBs, related to the plurality of serving cell identifiers, and can communicate the location information to the UE. The UE can perform positioning based at least in part on the location information.