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Tracking implementing geopositioning and local modes

A geolocation, local technology, applied in positioning, satellite radio beacon positioning system, service based on location information, etc., can solve the problem of positioning service unable to accurately locate WCD, insufficient and so on

Inactive Publication Date: 2010-03-31
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] While said maps can be interesting, the ambiguity means that (for example) a location service for emergency services cannot pinpoint a WCD or more importantly a user who is sending a distress signal
If you are looking for a smaller object, the information provided by location services only indicates that the object is perhaps within half a city, which is usually insufficient for the purpose of more precisely identifying the location of the object

Method used

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  • Tracking implementing geopositioning and local modes
  • Tracking implementing geopositioning and local modes
  • Tracking implementing geopositioning and local modes

Examples

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Embodiment Construction

[0041] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The word "example" is used herein to mean "non-limiting example." Each example provided herein is an illustration of only one embodiment; many other embodiments are possible, and the examples provided should not be construed as limiting the otherwise broad class.

[0042] multimodal tracking

[0043] When a tracked device is being located, multi-modal tracking operations may be used to determine a wide-area position using network location services. After reaching a location identified by wide area positioning, the tracked device can reconfigure into local beacon mode and the responder can follow the strength and direction of the signal until reaching the location where the item is detected or found.

[0044] In one configuration, a target W...

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Abstract

A wireless device provides location data concerning an object by use of geolocation in order to provide distance tracking and local location techniques in order to provide local tracking. The geolocation and local location techniques may be implemented at the same time or individually, reconfigurable on demand, in both the tracking and tracked devices. The tracked wireless device includes a wireless communication circuit capable of communication with a multiuser wireless subscriber network. A geolocation reading circuit provides GPS or similar location data and is capable of obtaining geolocation data concerning the object. A local locating device parses local location data, and an indication is provided of geolocation based on the geolocation data, and is further responsive to the local location data which is used to modify the geolocation data with the local location data.

Description

[0001] Related applications [0002] This patent application is co-pending and commonly assigned with an application entitled "Location Obtained by Combining Last Known Reliable Position with Position Changes" To the assignee of this case, and applied by the inventor of this case. technical field [0003] The present invention relates generally to geolocation of wireless devices and location services. More particularly, the present invention relates to modifying geolocation data with local location data. Background technique [0004] The present invention relates to locating and tracking mobile devices, such as wireless communication devices (WCDs). [0005] The term WCD as used herein includes, but is not limited to, user equipment, mobile stations, fixed or mobile subscriber units, pagers, or any other type of device capable of operating in a wireless environment. WCDs include personal communication devices such as phones, pagers, video phones, and Internet-ready phone...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S5/14G01S19/39G01S5/02G01S19/49
CPCG01S5/0072G01S19/49G01S5/0289G01S2205/006H04W4/021G01S19/48G01S19/13
Inventor 柯克·S·泰勒杰克·斯滕斯特拉陈立人
Owner QUALCOMM INC