Patent ID: 9572124
Date: 2017-02-14
CPC Classifications: H04W

Claim:
1. A method for determining whether a terminal is located inside a discovered Secure User Plane Location Platform (D-SLP) service area, the method comprising: identifying a D-SLP; receiving, at the terminal, from a home Secure User Plane Location Platform (H-SLP) an authorization to use the D-SLP; receiving, at the terminal from the H-SLP, a list of Area IDs within a Secure User Plane Location Platform (SLP) service area; comparing an ID associated with a network access point for the terminal with the list of Area IDs; in response to determining that the terminal is on a border of the D-SLP service area, determining a location of the terminal using Global Navigation Satellite System (GNSS) positioning; and determining, using the determined location, that the terminal is inside the border of the D-SLP service area or outside the border of the D-SLP service area; in response to determining that the ID associated with the network access point for the terminal is inside the border of the D-SLP service area, making a determination to use the D-SLP; and in response to determining that the ID associated with the network access point for the terminal is outside the border of the D-SLP service area, making a determination to not use the D-SLP.