Synchronization method for synchronizing clocks of a Bluetooth device
US11039411B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 8, 2020 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Jul 8, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A Bluetooth device with a host system and a controller is disclosed. The host system supports a host stack of a Bluetooth protocol, and the controller supports a controller stack of the Bluetooth protocol. The device includes an interface for receiving, at the controller, a piconet-synchronized signal. The device also includes an interface for providing, by the controller to the host system, a derivative of the piconet-synchronized signal. The device also includes a circuit for determining a latency of the providing. The device also includes a circuit for synchronizing, at the host system of the Bluetooth device, a host clock with a timing reference of a master device of the Bluetooth piconet using said latency and the derivative of the piconet-synchronized signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.