Automated Location Determination to Support VoIP E911 Using Self-Surveying Techniques for Ad Hoc Wireless Networks
2 Assignments
0 Petitions
Accused Products
Abstract
Network devices in an Ad-Hoc wireless network self-survey themselves as necessary for approximate location or precise position information, based on methods employed, particularly useful for a non-open-sky environment. A WiFi Access Point (AP) with or without an internal GPS receiver and location conveyance support may utilize the mesh technique. If an Ad-Hoc network device is unable to contact a suitable location server, or a position request has otherwise failed to deliver a precise position, a WiFi AP is manually configured with appropriate location information, and then offers itself as if it were a location server (thereby becoming an ‘internal’ server'"'"', containing either the determined or provisioned location of itself, for use by other APs or devices). A location server (either internal to the AP needing location, or external), performs a ‘mesh’ location determination by selecting position information from 3 or more location determined APs for subsequent processing.
18 Citations
36 Claims
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1-20. -20. (canceled)
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21. A method of obtaining iterative location information in an Internet Protocol (IP) network, comprising:
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receiving, by a wireless network device, a first meshed location from a first member wireless device; receiving, by said wireless network device, a second meshed location from a second member wireless device; meshing said first meshed location and said second meshed location into a single meshed location associated with said wireless network device, said single mesh location comprising a meshed latitude from a meshing of a latitude of said first meshed location and a latitude of said second meshed location. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A method of obtaining iterative location information in an Internet Protocol (IP) network, comprising:
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receiving, by a requesting wireless network device, a first meshed location associated with a first member wireless device; receiving, by said requesting wireless network device, a second meshed location associated with a second member wireless device; receiving, by said requesting wireless network device, a third meshed location associated with a third member wireless device; meshing said first meshed location, said second meshed location and said third meshed location into a single meshed location associated with said requesting wireless network device, said single mesh location comprising; a meshed latitude from a meshing of a latitude of said first meshed location, a latitude of said second meshed location, and a latitude of said third meshed location, and a meshed longitude from a meshing of a longitude of said first meshed location, a longitude of said second meshed location, and a longitude of said third meshed location. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
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Specification