Reducing Transmission of Location Updates Based on Loitering
First Claim
Patent Images
1. A method in a mobile communications device, comprising:
- generating a new location update;
determining a distance threshold based on one or more previous location updates;
discarding the new location update when a calculated distance between the new location update and a most recently stored location update is less than the distance threshold; and
otherwise, storing the new location update in a memory of the mobile communications device as the most recently stored location update.
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Abstract
The mobile communications device may reduce the amount of location updates transmitted by applying algorithm-based filters. By setting a minimum distance threshold applied to a location update, the mobile communication device reduces the amount of location updates transmitted when the mobile communication device is “loitering” at a specific location. This disclosure describes a use of a minimum threshold used in loitering analysis and improvements to loitering calculations.
17 Citations
9 Claims
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1. A method in a mobile communications device, comprising:
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generating a new location update; determining a distance threshold based on one or more previous location updates; discarding the new location update when a calculated distance between the new location update and a most recently stored location update is less than the distance threshold; and otherwise, storing the new location update in a memory of the mobile communications device as the most recently stored location update. - View Dependent Claims (2, 3, 4, 5)
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6. A mobile communications device, comprising:
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a location module for generating a location update; a filter module, comprising a threshold determination module for determining a distance threshold based on one or more previous location updates, wherein the filter module is operable to discard the location update if a calculated distance between the location update and a most recently stored location update is less than the distance threshold. - View Dependent Claims (7, 8)
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9. A system for filtering location updates, comprising :
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a location determination system that generates a new location update; and a processor configured to; determine a distance threshold based on one or more previous location updates; discard the new location update when a calculated distance between the new location update and a most recently stored location update is less than the distance threshold; and otherwise, store the new location update in the memory as the most recently stored location update.
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Specification