System and method for determining location on a Home Node B (HNB). In one embodiment, a method of supporting determining a location of an HNB includes sending a Positioning Calculation Application Part (PCAP) position initiation request towards a Standalone Serving Mobile Location Center (SAS) for positioning including a HNB identification value, receiving a PCAP position activation request for A-GNSS, obtaining GNSS measurements at the HNB, sending a PCAP position activation response for A-GNSS, receiving a PCAP position initiation response, and storing a location of the HNB based on the PCAP position initiation response.