Using multiple sources of location-aid data to determine position information

A method to compute a position of a wireless device, the method comprising:

• receiving, at a processor associated with the wireless device, a position request to compute a position of the wireless device;
• and
• responsive to the position request, initiating, using the processor, a compute-position session, the compute-position session comprising:
• sending, using the processor, aid requests to a plurality of aid-data sources to retrieve location-related aid information from the plurality of aid-data sources,
• receiving, at the processor, the location-related aid information from the plurality of aid-data sources,
• processing, using the processor, the location-related aid information from the plurality of aid-data sources to generate integrated location information, and
• either computing, using the processor, the position of the wireless device based on the integrated location information and satellite location information received from a satellite, or provide the integrated location information and/or the satellite location information from the wireless device to a location computation module external to the wireless device to compute the position of the wireless device.

A system to compute a position of a wireless device, the system comprising:

• a plurality of aid-data sources each storing location-related aid information;
• a wireless device configured to communicate with the plurality of aid-data sources, a data network including the Internet, and a satellite, the wireless device comprising a transceiver configured to transmit and receive communication signals, and, in response to a position request to compute a position of the wireless device, the wireless device is configured to:
• initiate a compute-position session in which the wireless device:
• sends aid requests to the plurality of aid-data sources to retrieve the location-related aid information from the plurality of aid-data sources,
• retrieves the location-related aid information from the plurality of aid-data sources, and
• processes the location-related aid information from the plurality of aid-data sources to generate integrated location information;
• and
• a location computation module either integrated within the wireless device, or external to and operationally connected with the wireless device, wherein the location computation module is configured to compute the position of the wireless device based on the integrated location information and satellite location information received from a satellite.

A computer-readable medium comprising computer-readable instruction physically embodied thereon which, when executed by a processor, causes the processor to perform a method to compute a position of a wireless device, the method comprising:

• receiving a position request to compute a position of the wireless device;
• and
• responsive to the position request, initiating a compute-position session, the compute-position session comprising:
• sending aid requests to a plurality of aid-data sources to retrieve location-related aid information from the plurality of aid-data sources,
• receiving the location-related aid information from the plurality of aid-data sources,
• processing the location-related aid information from the plurality of aid-data sources to generate integrated location information, and
• either computing the position of the wireless device based on the integrated location information and satellite location information received from a satellite, or provide the integrated location information and/or the satellite location information to a location computation module external to the wireless device to compute the position of the wireless device.