The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2017
Filed:
Mar. 30, 2012
Applicants:
Baifeng Cui, Beijing, CN;
Qingfeng Yang, Beijing, CN;
Inventors:
Baifeng Cui, Beijing, CN;
Qingfeng Yang, Beijing, CN;
Assignee:
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/16 (2006.01); H04L 29/06 (2006.01); H04J 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1679 (2013.01); G06F 11/1604 (2013.01); H04J 3/0641 (2013.01); H04J 3/0667 (2013.01); H04L 69/28 (2013.01);
Abstract
A method and system for maintaining clock synchronization in a communication network having multiple clocks are disclosed. According to one aspect, the invention provides a first precision time protocol (PTP) instance and second PTP service instance. Dynamic PTP parameters and tuning PTP parameters are periodically cloned from the first PTP service instance to the second PTP service instance substantially in real time.