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Gateway Mobile Location Centre (GMLC)

The Mobile Arts Gateway Mobile Location Centre (GMLC) interfaces the GSM Core Network, UMTS Core Network and the LTE Evolved Packet Core Network, and provides integrated support for:

  • 3GPP CAMEL CGI Location for GSM
  • OMA SUPL A-GPS Location for GSM
  • GMLC component of 3GPP LCS Enhanced CGI Location for GSM
  • GMLC component of 3GPP LCS Assisted GPS Location for GSM
  • 3GPP CAMEL CGI Location for UMTS
  • OMA SUPL A-GPS Location for UMTS
  • GMLC component of 3GPP LCS Enhanced CGI Location for UMTS
  • GMLC component of 3GPP LCS Assisted GPS Location for UMTS
  • eGMLC component of 3GPP LCS Uplink Enhanced CID Location for LTE
  • eGMLC component of 3GPP LCS Downlink Enhanced CID Location for LTE
  • eGMLC component of 3GPP LCS Downlink OTDOA Location for LTE

Note that some of the GMLC functionality defined in the 3GPP LCS specifications is implemented in the Mobile Arts XMLC. Thus, the combined Mobile Arts XMLC and GMLC together support the GMLC functionality defined in 3GPP for GSM, UMTS and LTE networks.

Other functions performed by the GMLC include:

  • Location method selection and re-selection based on received quality of service parameters received from the MLC Client (via the XMLC)
  • Location cache
  • Retrieval of GPS Reference Data from external GPS Reference Data Server or Receiver (for SUPL A-GPS Location)
  • Import of radio network data