Obtaining location updates about a mobile entity for use in a location-sensitive application
First Claim
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1. A method of obtaining location data about a mobile entity for provision to a location-sensitive application, the method comprising:
- periodically obtaining location updates indicative of the current location of the mobile entity from a first source of location data; and
extending the interval between the location updates from said first source when location data indicative of the current location of the mobile entity is available from at least one other source of location data that operates independently of said first source and the location updates provided thereby.
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Abstract
Location data about a mobile entity (70) is periodically provided to a location-sensitive application, for example, a route-tracking application. The location data is updated at a frequency that is adaptively varied in dependence on the provision of location data about the mobile entity from other sources (45). The update frequency can also be made dependent on further factors such as: the motion of the mobile entity(“V”), the current environment of the mobile entity (“E”), and the progress of the location-sensitive application (“Z”).
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Citations
19 Claims
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1. A method of obtaining location data about a mobile entity for provision to a location-sensitive application, the method comprising:
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periodically obtaining location updates indicative of the current location of the mobile entity from a first source of location data; and extending the interval between the location updates from said first source when location data indicative of the current location of the mobile entity is available from at least one other source of location data that operates independently of said first source and the location updates provided thereby. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. Apparatus for obtaining location data about a mobile entity for provision to a location-sensitive application, the apparatus comprising:
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a first locationdata receiving arrangement operative to periodically obtain location updates from a first source of location data about the current location of the mobile entity; and a second location-data receiving arrangement for receiving location data about the current location of the mobile entity from at least one other source of location data that is independent of said first source; the first location-data arrangement including an update- interval control for extending the interval between location updates obtained from the first source when location data is available from the second location-data receiving arrangement. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification