Utilizing a reference signal for indoor positioning
US9377522B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2014 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Aug 21, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W64/006
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.