Patent ID: 9560626
Date: 2017-01-31
CPC Classifications: G01S,H04J,H04W

Claim:
1. A method for supporting positioning in Secure User Plane Location comprising: at a Secure User Plane Location (SUPL) Location Platform (SLP), receiving a SUPL position initiation (SUPL POS INIT) message comprising a Location ID parameter and a Multiple Location IDs parameter from a SUPL Enabled Terminal (SET), wherein the Location ID parameter includes location ID parameter data to indicate a most current serving cell or serving access point for the SET and an associated status of the location ID parameter data, wherein in response to determining that the associated status of the most current serving cell or serving access point is “current,” determining a location estimate for the SET based on the Location ID parameter data for the most current serving cell or serving access point; and in response to determining that the associated status of the most current serving cell or serving access point is “unknown” or “not current,” determining the location estimate for the SET based on multiple location IDs parameter data, wherein the Multiple Location IDs parameter includes prior location ID parameter data and associated time stamps for the prior location ID parameter data.