Telefonaktiebolaget Lm Ericsson (publ)

Daiying Liu

Ming Wang

Daniel Migault

Yao Peng

A method for switching clock sources is provided. In the method, Precision Time Protocol, PTP, packets are monitored using each of PTP ports which connect to a new grandmaster (). A frequency and a phase for the PTP port are calculated based on the PTP packets (). In response to a successful check for the frequency and the phase, the PTP port is added to a candidate list (). A phase calibration and a phase stability check may be introduced prior to the alternate BMCA.

Growing community of inventors

Beijing, China

Daiying Liu