Patent ID: 8442523
Filing Date: 2013-05-14
Classification: H04L,H04W

Abstract:
1. A method of exchanging messages for a location service, comprising: transmitting, by a mobile terminal, a secure user plane location (SUPL) position initiation message to a home-SUPL location platform (H-SLP); receiving, by the mobile terminal, a SUPL end message from the H-SLP, the SUPL end message including a parameter indicating that the mobile terminal is outside of a coverage of a visited-SUPL location platform (V-SLP); transmitting, by the mobile terminal, a SUPL triggered start message to the H-SLP, the SUPL triggered start message including a cause for re-sending the SUPL triggered start message; and receiving, by the mobile terminal, a SUPL triggered response message from the H-SLP, the SUPL triggered response message including at least one trigger parameter.