Wireless telecommunications location based services scheme selection
First Claim
1. A process of providing location information regarding a wireless client in a network, comprising:
- retrieving a last known position record if said last known position record exists;
choosing a next untried selection scheme if no current position record has been retrieved; and
trying said next untried selection scheme to return a current position record.
3 Assignments
0 Petitions
Accused Products
Abstract
An intelligent system for choosing selection schemes to be tried in a predetermined order for determining the location of a wireless mobile client, including retrieving a last known position record from a cache, checking serving network capability, choosing an initial selection scheme according to parameters including at least the required response time and the requested location method, including a method employing a navigational satellite, attempting to retrieve a current position record, trying successive untried selection schemes in turn according to a predetermined algorithm if no current position record has been retrieved, and returning the current position record and updating the last known position record, or returning an error if no current position record has been retrieved, and returning the last known position record if an error has been returned, the last known position record exists in the cache and the last known position record has not expired.
105 Citations
20 Claims
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1. A process of providing location information regarding a wireless client in a network, comprising:
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retrieving a last known position record if said last known position record exists;
choosing a next untried selection scheme if no current position record has been retrieved; and
trying said next untried selection scheme to return a current position record. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. Apparatus for providing location information regarding a wireless client in a network, comprising:
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means for retrieving a last known position record if said last known position record exists;
means for choosing a next untried selection scheme if no current position record has been retrieved; and
means for trying said next untried selection scheme to return a current position record. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification