A signal processing method includes: transmitting, to a network entity from a user equipment, a capability indication indicating that the user equipment is capable of processing a plurality of positioning reference signals, of a plurality of different frequencies corresponding to different frequency layers, that at least partially overlap in receipt time at the user equipment; receiving the plurality of positioning reference signals at the user equipment at least partially overlapping in time; and processing the plurality of positioning reference signals at the user equipment in accordance with the capability indication.