Method of measuring inter-device relative coordinates and device using the same
US10382894B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2018 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Jul 12, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/51
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of measuring inter-device relative coordinates performed by a first device communicating with at least one second device belonging to a group to which the first device belongs includes measuring a range between the first device and the second device through communication with the second device; receiving range information between a plurality of second devices from the second device; calculating a plurality of solutions for inter-device relative coordinates using information about the range between the first device and the second device and the range information between the plurality of second devices; and deducing a true solution among the plurality of solutions for the inter-device relative coordinates using coordinates of each of the first device and the at least one second device with respect to a reference origin that is calculated using a Pedestrian Dead Reckoning (PDR) technique.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.