Indoor positioning system, and device and method therefor
US9606216B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2014 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Mar 22, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2205/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A terminal device for indoor positioning includes a communication module to receive access point (AP) radio environment information from one or more Aps, a memory module to store the AP radio environment information in a preset number of frame areas, the AP radio environment information being stored in order of reception, and a terminal control module to calculate an estimated location of the terminal device based on the order of the AP radio environment information stored in the preset number of frame areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.