Access control method based on received signal strength indicator
US11430275B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jun 29, 2021 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jun 29, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/021
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of controlling access of a user terminal comprising: acquiring a received signal strength indicator (RSSI) of a signal received from an access control device; acquiring a first distance variable based on the RSSI, the first distance variable being related to a distance between the user terminal and the access control device; acquiring a second distance variable based on the first distance variable; and transmitting a signal for providing authentication information of the user terminal to the access control device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.