A system is disclosed for inferring physical or semantic location using co-presence of multiple mobile devices. The system gets the location reports from several nearby mobile devices and sends back an accurate location for all these devices. The location reports from each device’s sensors (such as Wi-Fi, cell tower, Bluetooth or GPS) that are close together are used to determine the semantic location for these devices. Each type of sensor is provided a reliability weightage when combining data from the multiple devices. The system then statistically combines the signals from the multiple devices to determine the semantic location more accurately than using just an individual device.
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Bhadricha, Chetan, "Location Inference using Co-presence of multiple devices", Technical Disclosure Commons, (June 03, 2016)