Wireless localisation system
US11061106B2 · kind B2 · utility
0Cited by
28References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2019 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Nov 8, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/878
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is method of computing a round trip delay between a pair of nodes, the method comprising transmitting at least one beacon at a known transmit time from each of the nodes; measuring the times-of-arrival of the beacons at other of the nodes; and estimating a round trip delay between the nodes from the measured times-of-arrival and the transmit times; and correcting the round trip delay for either or both of a frequency offset between the nodes and relative motion between the nodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.