On Demand Positioning
First Claim
Patent Images
1. A method comprising:
- obtaining position fix information from at least a satellite positioning system (SPS) signal;
updating said position fix information based at least in part on a signal metric associated with one or more non-SPS sources; and
obtaining a subsequent position fix from an SPS signal using said updated position fix information.
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Abstract
The subject matter disclosed herein relates to determining a location of a mobile device using more than one location-determining technology.
81 Citations
72 Claims
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1. A method comprising:
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obtaining position fix information from at least a satellite positioning system (SPS) signal; updating said position fix information based at least in part on a signal metric associated with one or more non-SPS sources; and obtaining a subsequent position fix from an SPS signal using said updated position fix information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A mobile station comprising:
an ODP engine adapted to operate in an RF environment to; obtain position fix information from a satellite positioning system (SPS) signal; update said position fix information based at least in part on a signal metric associated with one or more non-SPS sources; and obtain a subsequent position fix from an SPS signal using said updated position fix information. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. An apparatus comprising:
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means for obtaining position fix information from a satellite positioning system (SPS) signal; means for updating said position fix information based at least in part on a signal metric associated with one or more non-SPS sources; and means for obtaining a subsequent position fix from an SPS signal using said updated position fix information. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. An article comprising:
- a storage medium comprising machine-readable instructions stored thereon which, if executed by a processing unit, perform positioning, the instructions comprising;
code to obtain signals representing position fix information from a satellite positioning system (SPS) signal; code to update said position fix information based at least in part on a signal metric associated with one or more non-SPS sources; and code to obtain a subsequent position fix from an SPS signal using said updated position fix information. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
- a storage medium comprising machine-readable instructions stored thereon which, if executed by a processing unit, perform positioning, the instructions comprising;
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43. A method comprising:
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obtaining background position information for a mobile station based at least in part on one or more SPS and/or non-SPS positioning technologies, wherein said background position information includes one or more metrics; storing said one or more metrics; comparing said one or more stored metrics with one or more uncertainty thresholds; and selecting one or more of said one or more SPS and/or non-SPS positioning technologies to update said background position information, said selecting based, at least in part, on an operative condition and on said comparing. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. An apparatus comprising:
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means for obtaining background position information for a mobile station based at least in part on one or more SPS and/or non-SPS positioning technologies, wherein said background position information includes one or more metrics; means for storing said one or more metrics; means for comparing said one or more stored metrics with one or more uncertainty thresholds; and means for selecting one or more of said one or more SPS and/or non-SPS positioning technologies to update said background position information, said selecting based, at least in part, on an operative condition and on said comparing. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60, 61, 62)
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63. An article comprising:
- a storage medium comprising machine-readable instructions stored thereon which, if executed by a processing unit, perform positioning, the instructions comprising;
code to obtain background position information for a mobile station based at least in part on one or more SPS and/or non-SPS positioning technologies, wherein said background position information includes one or more metrics; code to store said one or more metrics; code to compare said one or more stored metrics with one or more uncertainty thresholds; and code to select one or more of said one or more SPS and/or non-SPS positioning technologies to update said background position information, said selecting based, at least in part, on an operative condition and on said comparing. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70, 71, 72)
- a storage medium comprising machine-readable instructions stored thereon which, if executed by a processing unit, perform positioning, the instructions comprising;
Specification