Gateway Mobile Location Centre (GMLC)

The Mobile Arts Gateway Mobile Location Centre (GMLC) is a state-of-the-art combined location and presence server for GSM, UMTS and CDMA networks.

The Mobile Arts GMLC provides an extensive set of features, such as:

  • Location Method Selection
    • Depending on quality of service requirements (accuracy & time)
    • Depending on HLR /MSISDN number series
    • Depending on MSC address (e.g. if SMLC is present or not)
  • 3GPP GSM/UMTS LCS Location (GMLC-part)
    • MAP-signalling with HLR and MSC/VLR
    • Emergency call location
  • 3GPP GSM/UMTS CAMEL PSI/ATI Location (complete)
    • MAP-signalling with HLR and MSC/VLR
    • GSM/UMTS Cell Location Data import
  • OMA SUPL A-GPS Location (complete)
    • Push SMS sending (NI SUPL)
    • SUPL-signalling with the mobile terminal (over GPRS)
    • Reference data import from external A-GPS reference data server
  • Location caching
  • Support for Mobile Originating, Network Initiated and Mobile Terminating location
  • Open client API based on OMA MLP
  • Periodic triggered location reporting
  • Zone-based and proximity-based event triggered location reporting
  • Location of home subscribers as well as visiting subscribers
  • Location of mobile terminals in both active and passive state
  • Determination of terminal presence status (idle, busy, not reachable)
  • Full support for the OMA location roaming architecture Integrated Push Proxy / WAP Gateway functionality for delivery of OMA SUPL push-messages to the terminal via the collocated Mobile Arts SMSC functionality

Network architecture GMLC

Figure: Network architecture of GMLC