Efficient UWB ranging
US12192949B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2022 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Mar 18, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/69
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
There is disclosed devices and methods of operating a first device to determine a distance, between it and a further device, the methods comprising: transmitting a first broadcast frame comprising an identifier and a transmission timestamp; receiving a further broadcast frame, the further broadcast frame comprising an identifier of the further device, and a transmission timestamp of the further device, and at least one data pair comprising a transmitting device identifier and a reception timestamp, wherein the reception timestamp is indicative of the arrival time, at the further device, of a prior broadcast frame broadcast from the transmitting device; determining a reception timestamp of the further broadcast frame; comparing each transmitting device identifier with the identifier of the first device; and determining the distance between the first device and the further device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.