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Method for corroboration and transferring trust between network databases for enhanced positioning accuracy

A database and corroboration technology, applied in positioning, wireless communication, instruments, etc., can solve the problem of lack of completeness of WAN almanac location information

Active Publication Date: 2015-08-12
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In some parts of the world, a stable AP almanac can be established, but the integrity of location information in the WAN almanac may be lacking

Method used

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  • Method for corroboration and transferring trust between network databases for enhanced positioning accuracy
  • Method for corroboration and transferring trust between network databases for enhanced positioning accuracy
  • Method for corroboration and transferring trust between network databases for enhanced positioning accuracy

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Embodiment Construction

[0037] The present invention discloses a method and system that allow dynamic updating of one or more almanacs associated with AP networks and wide area networks. A cellular network is an example of a wide area network. In general, as a mobile device travels, it can receive location information regarding various access points (ie, short-range wireless transceivers) and WAN base stations (eg, cell phone towers, WAN access points). Location and identification information associated with various transceivers, such as access points, femtocells, and base stations, can be included in the transceiver's almanac. The received almanac information can be utilized along with signals received from the transceiver in the almanac to determine the location of the mobile device. For example, an almanac may store transceiver location, identification information, device type, frequency, and / or other relevant information used to determine the location of a mobile device. The MAC address or othe...

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PUM

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Abstract

Techniques for transferring trust between networks are described herein. An example of a method of using a mobile device to transfer trust between networks described herein includes receiving WAN base station information including a WAN base station trustworthiness value, determining a WAN position estimate for the mobile device based on the WAN base station information, receiving access point information including an access point trustworthiness value, determining an access point position estimate for the mobile device based on the access point information, determining if the WAN position estimate and the access point position estimate are corroborated, and increasing the access point trustworthiness value if the WAN position estimate and the access point position estimate are corroborated and the WAN base station trustworthiness value is higher than the access point trustworthiness value.

Description

technical field [0001] The present invention relates generally to radiolocation systems, and more particularly, but not by limitation, to communicating location-related trust information between access points and wide area networks. Background technique [0002] There is an increasing need to know the geographic location of various mobile devices. For example, some cellular telephone operators may need to comply with a requirement to locate handsets for emergency purposes. Once the location is known, emergency personnel can be dispatched to assist in the emergency situation. Geolocation is known to serve many other purposes, such as location-based advertising, child monitoring, automated parole monitoring, counter-calling 911, fleet vehicle tracking, and the like. [0003] Currently, there are many ways to estimate the location of a mobile device on a network. For example, a Global Navigation Satellite System (GNSS) solution on a mobile device can provide the most accurat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W64/00G01S5/02
CPCG01S5/0236H04W64/00G01S5/021G01S5/0263
Inventor 高伟华本杰明·A·沃纳莫伊·里巴布鲁斯·E·威尔逊
Owner QUALCOMM INC