Secure User Plane Location
Secure User Plane Location (SUPL) is an IP technology that was developed to support Location-Based Services (LBS) for wireless communications. Basic SUPL architecture is composed of a server or network equipment stack and a SUPL-enabled wireless handset. The server and handset operate as a separate network layer that requires minimal interaction with private signaling networks. SUPL can help wireless services providers to verify the revenue potential of the LBS market before investing in costly network upgrades. This white paper describes Broadcom's unique advantages as a provider of SUPL services and includes details on SUPL network architecture, SUPL call flows, and the protocols and interfaces used within SUPL systems.