Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) engages in a positioning session or a sensing session and receives, from a network entity, assistance data for at least one positioning reference signal (PRS) resource transmitted by a transmission point, the assistance data including a PRS resource location field indicating a geographic location of the transmission point, the assistance data further including reflection point object (RPO) information for at least one RPO that is capable of reflecting a waveform associated with the at least one PRS resource, the RPO information including at least location information for the at least one RPO.