Patent ID: 7969351

Claim:
A Global Positioning System (GPS)-based positioning system, comprising: a GPS terminal, including: a GPS section having a GPS receiver for receiving and processing a GPS signal and configured to operate in a plurality of operating modes; a call processing section, coupled to the GPS section via an interface and configured to transmit a first message to the GPS section via the interface and to receive a second message passed via the interface from the GPS section in response thereto, wherein the first message is a Quality of Service (QoS) request message and the second message is a QoS response message, wherein the QoS response message indicates: a) that the requested QoS is attainable when the GPS section determines that the QoS is attainable, and b) that the requested QoS is not attainable when the GPS section determines that the QoS is not attainable; a location aiding server; and a communication system, coupled to the GPS section and the call processing section, for selectively transmitting data to the GPS terminal from the location aiding server and receiving data from the GPS terminal to be sent to the location aiding server, based on the first message and the second message.