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Secure User Plane Location. Ileana Leuca Director Technology Architecture & Standards. OMA Groups. Board of Directors. Release Planning &. Operations and. Process. Technical Plenary. Management. Committee. Committee. Architecture. Requirements. Security. Interoperability. Device.

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secure user plane location

Secure User Plane Location

Ileana Leuca

Director Technology Architecture & Standards

oma groups
OMA Groups

Board of Directors

Release Planning &

Operations and


Technical Plenary











Game Services


Interest Group




Mobile Web


Commerce and




Push to Talk

Browser and

Presence and




Over Cellular

a gps over control plane
A-GPS over CONTROL Plane
  • There are existing GPS Assistance data messages already defined and they can be re-used
      • A-GPS over CONTROL plane has been standardised within 3GPP and 3GPP2, but these two solutions requires an upgrade of nearly all of the network elements and interfaces
  • 3GPP defined stage 1&2
      • Improvement of the Le interface: Completed Enhanced support for anonymity and user privacy: Completed
      • Enhanced support of roaming subscribers, inter GMLC Lr interface: on going
  • OMA Location group defines stage 3 protocols
      • MLP (mobile location protocol), RLP (roaming location protocol) and PCP (privacy checking protocol) already support or will support SIP-URI of the target mobile.
      • Note: SA2 does not specify external protocols and it works very closely with the OMA-LOC in order to insure consistency between requirements and protocols specifications owned by OMA.
user apps plane a gps today
User/Apps Plane A-GPS - today
  • There are several proprietary implementations of A-GPS over USER plane already emerging in different markets
  • It would be beneficial to have one single standard forAssisted GPS over USER/Application plane instead of
      • WCDMA standard RRC messages ‘wrapped’ with a header
      • GSM standard RLP messages ‘wrapped’ in XML
      • IS95 / IS801 messages
  • There is a large body of interest from Operators and Suppliers
  • There are existing GPS Assistance data messages already defined
new wi a gps design goals
New WI A-GPS Design Goals
  • Make full A-GPS functionality available with minimum network changes
  • Design to enable both Mobile Assisted and Mobile Based A-GPS
  • Utilise existing standards where available and possible
  • Open to enable other positioning technologies to utilise the mechanism
user apps plane a gps
User/Apps Plane A-GPS
  • AGPS over USER plane does not require an upgrade of a current IP capable network, so it is a lower cost solution and can be deployed rapidly
  • This solution
    • is able to protect investment effectively, because 3G and 2G systems could share a common network positioning platform and even Mobile devices
    • may reduce the burden on signaling network
    • is not dependent on the underlying infrastructure except for an (IP) connection and supports outbound roamers
    • can reuse existingdefinedprotocols
    • does not provide emergency call support