Power optimization in visible light communication positioning
US9948394B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2017 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Mar 14, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2201/01
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Embodiments of apparatuses and methods of power optimization in VLC positioning are disclosed. In one embodiment, a mobile device may include image sensors configured to receive visible light communication signals, a memory configured to store the visible light communication signals, and a transceiver configured to receive positioning assistance data of a venue, and a controller configured to: decode one or more light fixtures within a field of view of the mobile device to obtain corresponding light fixture identifications, determine a motion of the mobile device with respect to the one or more light fixtures based on the light fixture identifications and the positioning assistance data of the venue, and switch the image sensors of the mobile device to a reduced duty cycle state based on the motion of the mobile device with respect to the one or more light fixtures within the field of view of the mobile device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.