Security apparatus and methods for wireless data exchange
US11751062B1 · kind B1 · utility
2Cited by
3References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 2019 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Oct 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W64/003
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of authenticating a first device at a second device for two wirelessly communicating devices, the method comprising: determining the distance between the two devices based on a property of a received communication; at each device, determining at least one shared physical layer property of the communication channel between the two devices; and authenticating the first device based on the determined distance between the two devices and the determined physical layer property of the communication channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.