Low power geographic stationarity detection
AssigneeQUALCOMM Incorporated
InventorJohn Michael Burke
Life of this patent
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Abstract
Identifying geographic stationarity of a mobile device may be achieved by determining whether the mobile device is engaged in high average velocity movement based on radio frequency (RF) environment variation estimation, determining whether the mobile device is engaged in low average velocity movement based on pedestrial stepping information, and declaring a stationary state for the mobile device based on an absence of high and low average velocity movement.
Claims44
A method of identifying geographic stationarity of a mobile device, comprising:
- determining whether the mobile device is engaged in high average velocity movement based on a radio frequency (RF) environment variation estimation;
- determining whether the mobile device is engaged in low average velocity movement based on pedestrial stepping information;
- and
- declaring a stationary state for the mobile device based on the high and low average velocity movement determinations indicating an absence of high and low average velocity movement.
An apparatus for identifying geographic stationarity of a mobile device, comprising:
- at least one processor configured to:
- determine whether the mobile device is engaged in high average velocity movement based on a radio frequency (RF) environment variation estimation,
- determine whether the mobile device is engaged in low average velocity movement based on pedestrial stepping information, and
- declare a stationary state for the mobile device based on the high and low average velocity movement determinations indicating an absence of high and low average velocity movement;
- and
- memory coupled to the at least one processor and configured to store related data and instructions.
An apparatus for identifying geographic stationarity of a mobile device, comprising:
- means for determining whether the mobile device is engaged in high average velocity movement based on a radio frequency (RF) environment variation estimation;
- means for determining whether the mobile device is engaged in low average velocity movement based on pedestrial stepping information;
- and
- means for declaring a stationary state for the mobile device based on the high and low average velocity movement determinations indicating an absence of high and low average velocity movement.
A non-transitory computer-readable medium comprising code, which, when executed by a processor, causes the processor to perform operations for identifying geographic stationarity of a mobile device, the computer-readable medium comprising:
- code for determining whether the mobile device is engaged in high average velocity movement based on a radio frequency (RF) environment variation estimation;
- code for determining whether the mobile device is engaged in low average velocity movement based on pedestrial stepping information;
- and
- code for declaring a stationary state for the mobile device based on the high and low average velocity movement determinations indicating an absence of high and low average velocity movement.
Dependencies are inferred from the claim text.