Invention Grant
- Patent Title: Utilizing a reference signal for indoor positioning
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Application No.: US14465726Application Date: 2014-08-21
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Publication No.: US09377522B2Publication Date: 2016-06-28
- Inventor: Stephen William Edge , Chandrakant Mehta , Andreas Klaus Wachter
- Applicant: QUALCOMM, Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Berkeley Law & Technology Group, LLP
- Main IPC: H04W24/00
- IPC: H04W24/00 ; G01S5/02 ; G01S1/66 ; H04W4/02 ; H04W64/00 ; G01S5/08

Abstract:
Example methods, apparatuses, or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate or support one or more operations or techniques for utilizing a reference signal for indoor positioning, such as for use in or with a mobile communication device, for example. In an implementation, a reference signal may be focused into a directed beam, for example using a phased antenna array, and rotated electronically through a sequence of directional angles in a horizontal plane. A mobile device may determine a most probable directional angle from one or more transmitters transmitting a directional beam, measure one or more parameters for each directional angle and determine a location estimate using, for example triangulation.
Public/Granted literature
- US20150133173A1 UTILIZING A REFERENCE SIGNAL FOR INDOOR POSITIONING Public/Granted day:2015-05-14
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