Self-detection of lost device status using device-to-device communications with one or more expected neighboring devices
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United States of America Patent
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Nov 10, 2015
Grant Date -
Oct 9, 2014
app pub date -
Aug 16, 2013
filing date -
Apr 4, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus are provided for self-detection of lost device status using device-to-device communications with one or more expected neighboring devices. A device can detect when the device itself is lost, by determining one or more expected neighboring devices for one or more time periods; monitoring a local environment for one or more of the expected neighboring devices using device-to-device communication; detecting when the device is lost based on device-to-device communication and whether a threshold criteria of the expected neighboring devices in proximity to the device for a given interval of time; and sending at least one relay message to notify an owner of the lost device. The threshold criteria comprises, e.g., whether a minimum number of expected neighboring devices are nearby or whether at least one fixed neighboring device is nearby. The device-to-device communications employ one or more of short range relay communications and low-power mesh communications.
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